add apache/dubbo-go common

dubbogo/constant/cluster.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+// nolint
+const (
+	FAILOVER_CLUSTER_NAME  = "failover"
+	ZONEAWARE_CLUSTER_NAME = "zoneAware"
+)

dubbogo/constant/default.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+const (
+	DUBBO             = "dubbo"
+	PROVIDER_PROTOCOL = "provider"
+	// compatible with 2.6.x
+	OVERRIDE_PROTOCOL = "override"
+	EMPTY_PROTOCOL    = "empty"
+	ROUTER_PROTOCOL   = "router"
+)
+
+const (
+	DEFAULT_WEIGHT = 100     //
+	DEFAULT_WARMUP = 10 * 60 // in java here is 10*60*1000 because of System.currentTimeMillis() is measured in milliseconds & in go time.Unix() is second
+)
+
+const (
+	DEFAULT_LOADBALANCE        = "random"
+	DEFAULT_RETRIES            = "2"
+	DEFAULT_RETRIES_INT        = 2
+	DEFAULT_PROTOCOL           = "dubbo"
+	DEFAULT_REG_TIMEOUT        = "10s"
+	DEFAULT_REG_TTL            = "15m"
+	DEFAULT_CLUSTER            = "failover"
+	DEFAULT_FAILBACK_TIMES     = "3"
+	DEFAULT_FAILBACK_TIMES_INT = 3
+	DEFAULT_FAILBACK_TASKS     = 100
+	DEFAULT_REST_CLIENT        = "resty"
+	DEFAULT_REST_SERVER        = "go-restful"
+	DEFAULT_PORT               = 20000
+	DEFAULT_SERIALIZATION      = HESSIAN2_SERIALIZATION
+)
+
+const (
+	DEFAULT_KEY               = "default"
+	PREFIX_DEFAULT_KEY        = "default."
+	DEFAULT_SERVICE_FILTERS   = "echo,token,accesslog,tps,generic_service,execute,pshutdown"
+	DEFAULT_REFERENCE_FILTERS = "cshutdown"
+	GENERIC_REFERENCE_FILTERS = "generic"
+	GENERIC                   = "$invoke"
+	ECHO                      = "$echo"
+)
+
+const (
+	ANY_VALUE           = "*"
+	ANYHOST_VALUE       = "0.0.0.0"
+	LOCAL_HOST_VALUE    = "192.168.1.1"
+	REMOVE_VALUE_PREFIX = "-"
+)
+
+const (
+	CONFIGURATORS_CATEGORY             = "configurators"
+	ROUTER_CATEGORY                    = "category"
+	DEFAULT_CATEGORY                   = PROVIDER_CATEGORY
+	DYNAMIC_CONFIGURATORS_CATEGORY     = "dynamicconfigurators"
+	APP_DYNAMIC_CONFIGURATORS_CATEGORY = "appdynamicconfigurators"
+	PROVIDER_CATEGORY                  = "providers"
+	CONSUMER_CATEGORY                  = "consumers"
+)
+
+const (
+	COMMA_SPLIT_PATTERN = "\\s*[,]+\\s*"
+)
+
+const (
+	SIMPLE_METADATA_SERVICE_NAME = "MetadataService"
+	DEFAULT_REVISION             = "N/A"
+)
+
+const (
+	SERVICE_DISCOVERY_DEFAULT_GROUP = "DEFAULT_GROUP"
+)
+
+const (
+	DEFAULT_PROVIDER_CONF_FILE_PATH = "../profiles/dev/server.yml"
+	DEFAULT_CONSUMER_CONF_FILE_PATH = "../profiles/dev/client.yml"
+	DEFAULT_LOG_CONF_FILE_PATH      = "../profiles/dev/log.yml"
+	DEFAULT_ROUTER_CONF_FILE_PATH   = "../profiles/dev/router.yml"
+)

dubbogo/constant/env.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+// nolint
+const (
+	// CONF_CONSUMER_FILE_PATH ...
+	CONF_CONSUMER_FILE_PATH = "CONF_CONSUMER_FILE_PATH"
+	// CONF_PROVIDER_FILE_PATH ...
+	CONF_PROVIDER_FILE_PATH = "CONF_PROVIDER_FILE_PATH"
+	// APP_LOG_CONF_FILE ...
+	APP_LOG_CONF_FILE = "APP_LOG_CONF_FILE"
+	// CONF_ROUTER_FILE_PATH Specify Path variable of router config file
+	CONF_ROUTER_FILE_PATH = "CONF_ROUTER_FILE_PATH"
+	// CONF_VIRTUAL_SERVICE_FILE_PATH Specify path to Virtual service of uniform router config file
+	CONF_VIRTUAL_SERVICE_FILE_PATH = "CONF_VIRTUAL_SERVICE_FILE_PATH"
+	// CONF_DEST_RULE_FILE_PATH Specify path to destination rule of uniform router config file
+	CONF_DEST_RULE_FILE_PATH = "CONF_DEST_RULE_FILE_PATH"
+)

dubbogo/constant/key.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+type DubboCtxKey string
+
+const (
+	ASYNC_KEY = "async" // it's value should be "true" or "false" of string type
+)
+
+const (
+	GROUP_KEY                = "group"
+	VERSION_KEY              = "version"
+	INTERFACE_KEY            = "interface"
+	MESSAGE_SIZE_KEY         = "message_size"
+	PATH_KEY                 = "path"
+	SERVICE_KEY              = "service"
+	METHODS_KEY              = "methods"
+	TIMEOUT_KEY              = "timeout"
+	CATEGORY_KEY             = "category"
+	CHECK_KEY                = "check"
+	ENABLED_KEY              = "enabled"
+	SIDE_KEY                 = "side"
+	OVERRIDE_PROVIDERS_KEY   = "providerAddresses"
+	BEAN_NAME_KEY            = "bean.name"
+	GENERIC_KEY              = "generic"
+	CLASSIFIER_KEY           = "classifier"
+	TOKEN_KEY                = "token"
+	LOCAL_ADDR               = "local-addr"
+	REMOTE_ADDR              = "remote-addr"
+	DEFAULT_REMOTING_TIMEOUT = 3000
+	RELEASE_KEY              = "release"
+	ANYHOST_KEY              = "anyhost"
+	PORT_KEY                 = "port"
+	PROTOCOL_KEY             = "protocol"
+	PATH_SEPARATOR           = "/"
+	// DUBBO_KEY                = "dubbo"
+	SSL_ENABLED_KEY = "ssl-enabled"
+	// PARAMS_TYPE_Key key used in pass through invoker factory, to define param type
+	PARAMS_TYPE_Key = "parameter-type-names"
+)
+
+const (
+	SERVICE_FILTER_KEY   = "service.filter"
+	REFERENCE_FILTER_KEY = "reference.filter"
+)
+
+const (
+	TIMESTAMP_KEY                          = "timestamp"
+	REMOTE_TIMESTAMP_KEY                   = "remote.timestamp"
+	CLUSTER_KEY                            = "cluster"
+	LOADBALANCE_KEY                        = "loadbalance"
+	WEIGHT_KEY                             = "weight"
+	WARMUP_KEY                             = "warmup"
+	RETRIES_KEY                            = "retries"
+	STICKY_KEY                             = "sticky"
+	BEAN_NAME                              = "bean.name"
+	FAIL_BACK_TASKS_KEY                    = "failbacktasks"
+	FORKS_KEY                              = "forks"
+	DEFAULT_FORKS                          = 2
+	DEFAULT_TIMEOUT                        = 1000
+	ACCESS_LOG_KEY                         = "accesslog"
+	TPS_LIMITER_KEY                        = "tps.limiter"
+	TPS_REJECTED_EXECUTION_HANDLER_KEY     = "tps.limit.rejected.handler"
+	TPS_LIMIT_RATE_KEY                     = "tps.limit.rate"
+	DEFAULT_TPS_LIMIT_RATE                 = "-1"
+	TPS_LIMIT_INTERVAL_KEY                 = "tps.limit.interval"
+	DEFAULT_TPS_LIMIT_INTERVAL             = "60000"
+	TPS_LIMIT_STRATEGY_KEY                 = "tps.limit.strategy"
+	EXECUTE_LIMIT_KEY                      = "execute.limit"
+	DEFAULT_EXECUTE_LIMIT                  = "-1"
+	EXECUTE_REJECTED_EXECUTION_HANDLER_KEY = "execute.limit.rejected.handler"
+	PROVIDER_SHUTDOWN_FILTER               = "pshutdown"
+	CONSUMER_SHUTDOWN_FILTER               = "cshutdown"
+	SERIALIZATION_KEY                      = "serialization"
+	PID_KEY                                = "pid"
+	SYNC_REPORT_KEY                        = "sync.report"
+	RETRY_PERIOD_KEY                       = "retry.period"
+	RETRY_TIMES_KEY                        = "retry.times"
+	CYCLE_REPORT_KEY                       = "cycle.report"
+	DEFAULT_BLACK_LIST_RECOVER_BLOCK       = 16
+)
+
+const (
+	DUBBOGO_CTX_KEY = DubboCtxKey("dubbogo-ctx")
+)
+
+const (
+	REGISTRY_KEY         = "registry"
+	REGISTRY_PROTOCOL    = "registry"
+	ROLE_KEY             = "registry.role"
+	REGISTRY_DEFAULT_KEY = "registry.default"
+	REGISTRY_TIMEOUT_KEY = "registry.timeout"
+	REGISTRY_LABEL_KEY   = "label"
+	PREFERRED_KEY        = "preferred"
+	ZONE_KEY             = "zone"
+	ZONE_FORCE_KEY       = "zone.force"
+	REGISTRY_TTL_KEY     = "registry.ttl"
+)
+
+const (
+	APPLICATION_KEY          = "application"
+	ORGANIZATION_KEY         = "organization"
+	NAME_KEY                 = "name"
+	MODULE_KEY               = "module"
+	APP_VERSION_KEY          = "app.version"
+	OWNER_KEY                = "owner"
+	ENVIRONMENT_KEY          = "environment"
+	METHOD_KEY               = "method"
+	METHOD_KEYS              = "methods"
+	RULE_KEY                 = "rule"
+	RUNTIME_KEY              = "runtime"
+	BACKUP_KEY               = "backup"
+	ROUTERS_CATEGORY         = "routers"
+	ROUTE_PROTOCOL           = "route"
+	CONDITION_ROUTE_PROTOCOL = "condition"
+	TAG_ROUTE_PROTOCOL       = "tag"
+	PROVIDERS_CATEGORY       = "providers"
+	ROUTER_KEY               = "router"
+	EXPORT_KEY               = "export"
+)
+
+const (
+	CONFIG_NAMESPACE_KEY  = "config.namespace"
+	CONFIG_GROUP_KEY      = "config.group"
+	CONFIG_APP_ID_KEY     = "config.appId"
+	CONFIG_CLUSTER_KEY    = "config.cluster"
+	CONFIG_CHECK_KEY      = "config.check"
+	CONFIG_TIMEOUT_KET    = "config.timeout"
+	CONFIG_LOG_DIR_KEY    = "config.logDir"
+	CONFIG_VERSION_KEY    = "configVersion"
+	COMPATIBLE_CONFIG_KEY = "compatible_config"
+)
+
+const (
+	RegistryConfigPrefix       = "dubbo.registries."
+	SingleRegistryConfigPrefix = "dubbo.registry."
+	ReferenceConfigPrefix      = "dubbo.reference."
+	ServiceConfigPrefix        = "dubbo.service."
+	ProtocolConfigPrefix       = "dubbo.protocols."
+	ProviderConfigPrefix       = "dubbo.provider."
+	ConsumerConfigPrefix       = "dubbo.consumer."
+	ShutdownConfigPrefix       = "dubbo.shutdown."
+	MetadataReportPrefix       = "dubbo.metadata-report."
+	RouterConfigPrefix         = "dubbo.router."
+)
+
+const (
+	CONFIGURATORS_SUFFIX = ".configurators"
+)
+
+const (
+	NACOS_KEY                    = "nacos"
+	NACOS_DEFAULT_ROLETYPE       = 3
+	NACOS_CACHE_DIR_KEY          = "cacheDir"
+	NACOS_LOG_DIR_KEY            = "logDir"
+	NACOS_ENDPOINT               = "endpoint"
+	NACOS_SERVICE_NAME_SEPARATOR = ":"
+	NACOS_CATEGORY_KEY           = "category"
+	NACOS_PROTOCOL_KEY           = "protocol"
+	NACOS_PATH_KEY               = "path"
+	NACOS_NAMESPACE_ID           = "namespaceId"
+	NACOS_PASSWORD               = "password"
+	NACOS_USERNAME               = "username"
+	NACOS_NOT_LOAD_LOCAL_CACHE   = "nacos.not.load.cache"
+)
+
+const (
+	FILE_KEY = "file"
+)
+
+const (
+	ZOOKEEPER_KEY = "zookeeper"
+)
+
+const (
+	ETCDV3_KEY = "etcdv3"
+)
+
+const (
+	CONSUL_KEY          = "consul"
+	CHECK_PASS_INTERVAL = "consul-check-pass-interval"
+	// default time-to-live in millisecond
+	DEFAULT_CHECK_PASS_INTERVAL = 16000
+	QUERY_TAG                   = "consul_query_tag"
+	ACL_TOKEN                   = "acl-token"
+	// default deregister critical server after
+	DEFAULT_DEREGISTER_TIME = "20s"
+	DEREGISTER_AFTER        = "consul-deregister-critical-service-after"
+	// PassThroughProxyFactoryKey is key of proxy factory with raw data input service
+	PassThroughProxyFactoryKey = "dubbo-raw"
+)
+
+const (
+	TRACING_REMOTE_SPAN_CTX = DubboCtxKey("tracing.remote.span.ctx")
+)
+
+// Use for router module
+const (
+	// UniformRouterName Specifythe name of UniformRouter
+	UniformRouterName = "uniform"
+	// TagRouterName Specify the name of TagRouter
+	TagRouterName = "tag"
+	// TagRouterRuleSuffix Specify tag router suffix
+	TagRouterRuleSuffix  = ".tag-router"
+	RemoteApplicationKey = "remote.application"
+	// ConditionRouterRuleSuffix Specify condition router suffix
+	ConditionRouterRuleSuffix = ".condition-router"
+
+	// RouterScope Scope key in router module
+	RouterScope = "scope"
+	// RouterApplicationScope Scope key in router module
+	RouterApplicationScope = "application"
+	// RouterServiceScope Scope key in router module
+	RouterServiceScope = "service"
+	// RouterRuleKey defines the key of the router, service's/application's name
+	RouterRuleKey = "key"
+	// ForceUseTag is the tag in attachment
+	ForceUseTag = "dubbo.force.tag"
+	Tagkey      = "dubbo.tag"
+	// HEALTH_ROUTE_ENABLED_KEY defines if use health router
+	HEALTH_ROUTE_ENABLED_KEY = "health.route.enabled"
+	// AttachmentKey in context in invoker
+	AttachmentKey = DubboCtxKey("attachment")
+)
+
+const (
+	// name of consumer sign filter
+	CONSUMER_SIGN_FILTER = "sign"
+	// name of consumer sign filter
+	PROVIDER_AUTH_FILTER = "auth"
+	// name of service filter
+	SERVICE_AUTH_KEY = "auth"
+	// key of authenticator
+	AUTHENTICATOR_KEY = "authenticator"
+	// name of default authenticator
+	DEFAULT_AUTHENTICATOR = "accesskeys"
+	// name of default url storage
+	DEFAULT_ACCESS_KEY_STORAGE = "urlstorage"
+	// key of storage
+	ACCESS_KEY_STORAGE_KEY = "accessKey.storage"
+	// key of request timestamp
+	REQUEST_TIMESTAMP_KEY = "timestamp"
+	// key of request signature
+	REQUEST_SIGNATURE_KEY = "signature"
+	// AK key
+	AK_KEY = "ak"
+	// signature format
+	SIGNATURE_STRING_FORMAT = "%s#%s#%s#%s"
+	// key whether enable signature
+	PARAMETER_SIGNATURE_ENABLE_KEY = "param.sign"
+	// consumer
+	CONSUMER = "consumer"
+	// key of access key id
+	ACCESS_KEY_ID_KEY = ".accessKeyId"
+	// key of secret access key
+	SECRET_ACCESS_KEY_KEY = ".secretAccessKey"
+)
+
+// metadata report
+
+const (
+	METACONFIG_REMOTE  = "remote"
+	METACONFIG_LOCAL   = "local"
+	KEY_SEPARATOR      = ":"
+	DEFAULT_PATH_TAG   = "metadata"
+	KEY_REVISON_PREFIX = "revision"
+
+	// metadata service
+	METADATA_SERVICE_NAME = "org.apache.dubbo.metadata.MetadataService"
+)
+
+// HealthCheck Router
+const (
+	// The key of HealthCheck SPI
+	HEALTH_CHECKER = "health.checker"
+	// The name of the default implementation of HealthChecker
+	DEFAULT_HEALTH_CHECKER = "default"
+	// The name of the default implementation of C
+	DEFAULT_CONN_CHECKER = "default"
+	// The key of outstanding-request-limit\
+	OUTSTANDING_REQUEST_COUNT_LIMIT_KEY = "outstanding.request.limit"
+	// The key of successive-failed-request's threshold
+	SUCCESSIVE_FAILED_REQUEST_THRESHOLD_KEY = "successive.failed.threshold"
+	// The key of circuit-tripped timeout factor
+	CIRCUIT_TRIPPED_TIMEOUT_FACTOR_KEY = "circuit.tripped.timeout.factor"
+	// The default threshold of  successive-failed-request if not specfied
+	DEFAULT_SUCCESSIVE_FAILED_THRESHOLD = 5
+	// The default maximum diff between successive-failed-request's threshold and actual successive-failed-request's count
+	DEFAULT_SUCCESSIVE_FAILED_REQUEST_MAX_DIFF = 5
+	// The default factor of  circuit-tripped timeout if not specfied
+	DEFAULT_CIRCUIT_TRIPPED_TIMEOUT_FACTOR = 1000
+	// The default time window of circuit-tripped  in millisecond if not specfied
+	MAX_CIRCUIT_TRIPPED_TIMEOUT_IN_MS = 30000
+)
+
+// service discovery
+const (
+	SUBSCRIBED_SERVICE_NAMES_KEY               = "subscribed-services"
+	PROVIDER_BY                                = "provided-by"
+	EXPORTED_SERVICES_REVISION_PROPERTY_NAME   = "dubbo.exported-services.revision"
+	SUBSCRIBED_SERVICES_REVISION_PROPERTY_NAME = "dubbo.subscribed-services.revision"
+	SERVICE_INSTANCE_SELECTOR                  = "service-instance-selector"
+	METADATA_STORAGE_TYPE_PROPERTY_NAME        = "dubbo.metadata.storage-type"
+	DEFAULT_METADATA_STORAGE_TYPE              = "local"
+	SERVICE_INSTANCE_ENDPOINTS                 = "dubbo.endpoints"
+	METADATA_SERVICE_PREFIX                    = "dubbo.metadata-service."
+	METADATA_SERVICE_URL_PARAMS_PROPERTY_NAME  = METADATA_SERVICE_PREFIX + "url-params"
+	METADATA_SERVICE_URLS_PROPERTY_NAME        = METADATA_SERVICE_PREFIX + "urls"
+
+	// SERVICE_DISCOVERY_KEY indicate which service discovery instance will be used
+	SERVICE_DISCOVERY_KEY = "service_discovery"
+)

dubbogo/constant/serializtion.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+const (
+	S_Hessian2 byte = 2
+	S_Proto    byte = 21
+)
+
+const (
+	HESSIAN2_SERIALIZATION = "hessian2"
+	PROTOBUF_SERIALIZATION = "protobuf"
+)

dubbogo/constant/time.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxconstant
+
+import (
+	"time"
+)
+
+// The value will be 10^6
+// 1ms = 10^6ns
+var MsToNanoRate = int64(time.Millisecond / time.Nanosecond)

dubbogo/doc.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// same as https://github.com/golang/go/blob/master/src/go
+// refer from github.com/apache/dubbo-go common
+package gxdubbogo

dubbogo/host_util.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import gxnet "github.com/dubbogo/gost/net"
+
+var localIp string
+
+func GetLocalIp() string {
+	if len(localIp) != 0 {
+		return localIp
+	}
+	localIp, _ = gxnet.GetLocalIP()
+	return localIp
+}

dubbogo/host_util_test.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import (
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetLocalIp(t *testing.T) {
+	assert.NotNil(t, GetLocalIp())
+}

dubbogo/node.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+// Node use for process dubbo node
+type Node interface {
+	GetURL() *URL
+	IsAvailable() bool
+	Destroy()
+}

dubbogo/rpc_service.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import (
+	"context"
+	"reflect"
+	"strings"
+	"sync"
+	"unicode"
+	"unicode/utf8"
+)
+
+import (
+	perrors "github.com/pkg/errors"
+)
+
+// RPCService
+// rpc service interface
+type RPCService interface {
+	// Reference:
+	// rpc service id or reference id
+	Reference() string
+}
+
+// AsyncCallbackService callback interface for async
+type AsyncCallbackService interface {
+	// Callback: callback
+	CallBack(response CallbackResponse)
+}
+
+// CallbackResponse for different protocol
+type CallbackResponse interface{}
+
+// AsyncCallback async callback method
+type AsyncCallback func(response CallbackResponse)
+
+// for lowercase func
+// func MethodMapper() map[string][string] {
+//     return map[string][string]{}
+// }
+const (
+	METHOD_MAPPER = "MethodMapper"
+)
+
+var (
+	// Precompute the reflect type for error. Can't use error directly
+	// because Typeof takes an empty interface value. This is annoying.
+	typeOfError = reflect.TypeOf((*error)(nil)).Elem()
+
+	// ServiceMap store description of service.
+	ServiceMap = &serviceMap{
+		serviceMap:   make(map[string]map[string]*Service),
+		interfaceMap: make(map[string][]*Service),
+	}
+)
+
+//////////////////////////
+// info of method
+//////////////////////////
+
+// MethodType is description of service method.
+type MethodType struct {
+	method    reflect.Method
+	ctxType   reflect.Type   // request context
+	argsType  []reflect.Type // args except ctx, include replyType if existing
+	replyType reflect.Type   // return value, otherwise it is nil
+}
+
+// Method gets @m.method.
+func (m *MethodType) Method() reflect.Method {
+	return m.method
+}
+
+// CtxType gets @m.ctxType.
+func (m *MethodType) CtxType() reflect.Type {
+	return m.ctxType
+}
+
+// ArgsType gets @m.argsType.
+func (m *MethodType) ArgsType() []reflect.Type {
+	return m.argsType
+}
+
+// ReplyType gets @m.replyType.
+func (m *MethodType) ReplyType() reflect.Type {
+	return m.replyType
+}
+
+// SuiteContext transfers @ctx to reflect.Value type or get it from @m.ctxType.
+func (m *MethodType) SuiteContext(ctx context.Context) reflect.Value {
+	if ctxV := reflect.ValueOf(ctx); ctxV.IsValid() {
+		return ctxV
+	}
+	return reflect.Zero(m.ctxType)
+}
+
+//////////////////////////
+// info of service interface
+//////////////////////////
+
+// Service is description of service
+type Service struct {
+	name     string
+	rcvr     reflect.Value
+	rcvrType reflect.Type
+	methods  map[string]*MethodType
+}
+
+// Method gets @s.methods.
+func (s *Service) Method() map[string]*MethodType {
+	return s.methods
+}
+
+// Name will return service name
+func (s *Service) Name() string {
+	return s.name
+}
+
+// RcvrType gets @s.rcvrType.
+func (s *Service) RcvrType() reflect.Type {
+	return s.rcvrType
+}
+
+// Rcvr gets @s.rcvr.
+func (s *Service) Rcvr() reflect.Value {
+	return s.rcvr
+}
+
+//////////////////////////
+// serviceMap
+//////////////////////////
+
+type serviceMap struct {
+	mutex        sync.RWMutex                   // protects the serviceMap
+	serviceMap   map[string]map[string]*Service // protocol -> service name -> service
+	interfaceMap map[string][]*Service          // interface -> service
+}
+
+// GetService gets a service definition by protocol and name
+func (sm *serviceMap) GetService(protocol, interfaceName, group, version string) *Service {
+	serviceKey := ServiceKey(interfaceName, group, version)
+	return sm.GetServiceByServiceKey(protocol, serviceKey)
+}
+
+// GetService gets a service definition by protocol and service key
+func (sm *serviceMap) GetServiceByServiceKey(protocol, serviceKey string) *Service {
+	sm.mutex.RLock()
+	defer sm.mutex.RUnlock()
+	if s, ok := sm.serviceMap[protocol]; ok {
+		if srv, ok := s[serviceKey]; ok {
+			return srv
+		}
+		return nil
+	}
+	return nil
+}
+
+// GetInterface gets an interface definition by interface name
+func (sm *serviceMap) GetInterface(interfaceName string) []*Service {
+	sm.mutex.RLock()
+	defer sm.mutex.RUnlock()
+	if s, ok := sm.interfaceMap[interfaceName]; ok {
+		return s
+	}
+	return nil
+}
+
+// Register registers a service by @interfaceName and @protocol
+func (sm *serviceMap) Register(interfaceName, protocol, group, version string, rcvr RPCService) (string, error) {
+	if sm.serviceMap[protocol] == nil {
+		sm.serviceMap[protocol] = make(map[string]*Service)
+	}
+	if sm.interfaceMap[interfaceName] == nil {
+		sm.interfaceMap[interfaceName] = make([]*Service, 0, 16)
+	}
+
+	s := new(Service)
+	s.rcvrType = reflect.TypeOf(rcvr)
+	s.rcvr = reflect.ValueOf(rcvr)
+	sname := reflect.Indirect(s.rcvr).Type().Name()
+	if sname == "" {
+		s := "no service name for type " + s.rcvrType.String()
+		return "", perrors.New(s)
+	}
+	if !isExported(sname) {
+		s := "type " + sname + " is not exported"
+		return "", perrors.New(s)
+	}
+
+	sname = ServiceKey(interfaceName, group, version)
+	if server := sm.GetService(protocol, interfaceName, group, version); server != nil {
+		return "", perrors.New("service already defined: " + sname)
+	}
+	s.name = sname
+	s.methods = make(map[string]*MethodType)
+
+	// Install the methods
+	methods := ""
+	methods, s.methods = suitableMethods(s.rcvrType)
+
+	if len(s.methods) == 0 {
+		s := "type " + sname + " has no exported methods of suitable type"
+		return "", perrors.New(s)
+	}
+	sm.mutex.Lock()
+	sm.serviceMap[protocol][s.name] = s
+	sm.interfaceMap[interfaceName] = append(sm.interfaceMap[interfaceName], s)
+	sm.mutex.Unlock()
+
+	return strings.TrimSuffix(methods, ","), nil
+}
+
+// UnRegister cancels a service by @interfaceName, @protocol and @serviceId
+func (sm *serviceMap) UnRegister(interfaceName, protocol, serviceKey string) error {
+	if protocol == "" || serviceKey == "" {
+		return perrors.New("protocol or serviceKey is nil")
+	}
+
+	var (
+		err   error
+		index = -1
+		svcs  map[string]*Service
+		svrs  []*Service
+		ok    bool
+	)
+
+	f := func() error {
+		sm.mutex.RLock()
+		defer sm.mutex.RUnlock()
+		svcs, ok = sm.serviceMap[protocol]
+		if !ok {
+			return perrors.New("no services for " + protocol)
+		}
+		s, ok := svcs[serviceKey]
+		if !ok {
+			return perrors.New("no service for " + serviceKey)
+		}
+		svrs, ok = sm.interfaceMap[interfaceName]
+		if !ok {
+			return perrors.New("no service for " + interfaceName)
+		}
+		for i, svr := range svrs {
+			if svr == s {
+				index = i
+			}
+		}
+		return nil
+	}
+
+	if err = f(); err != nil {
+		return err
+	}
+
+	sm.mutex.Lock()
+	defer sm.mutex.Unlock()
+	sm.interfaceMap[interfaceName] = make([]*Service, 0, len(svrs))
+	for i := range svrs {
+		if i != index {
+			sm.interfaceMap[interfaceName] = append(sm.interfaceMap[interfaceName], svrs[i])
+		}
+	}
+	delete(svcs, serviceKey)
+	if len(sm.serviceMap[protocol]) == 0 {
+		delete(sm.serviceMap, protocol)
+	}
+
+	return nil
+}
+
+// Is this an exported - upper case - name
+func isExported(name string) bool {
+	s, _ := utf8.DecodeRuneInString(name)
+	return unicode.IsUpper(s)
+}
+
+// Is this type exported or a builtin?
+func isExportedOrBuiltinType(t reflect.Type) bool {
+	for t.Kind() == reflect.Ptr {
+		t = t.Elem()
+	}
+	// PkgPath will be non-empty even for an exported type,
+	// so we need to check the type name as well.
+	return isExported(t.Name()) || t.PkgPath() == ""
+}
+
+// suitableMethods returns suitable Rpc methods of typ
+func suitableMethods(typ reflect.Type) (string, map[string]*MethodType) {
+	methods := make(map[string]*MethodType)
+	var mts []string
+	method, ok := typ.MethodByName(METHOD_MAPPER)
+	var methodMapper map[string]string
+	if ok && method.Type.NumIn() == 1 && method.Type.NumOut() == 1 && method.Type.Out(0).String() == "map[string]string" {
+		methodMapper = method.Func.Call([]reflect.Value{reflect.New(typ.Elem())})[0].Interface().(map[string]string)
+	}
+
+	for m := 0; m < typ.NumMethod(); m++ {
+		method = typ.Method(m)
+		if mt := suiteMethod(method); mt != nil {
+			methodName, ok := methodMapper[method.Name]
+			if !ok {
+				methodName = method.Name
+			}
+			methods[methodName] = mt
+			mts = append(mts, methodName)
+		}
+	}
+	return strings.Join(mts, ","), methods
+}
+
+// suiteMethod returns a suitable Rpc methodType
+func suiteMethod(method reflect.Method) *MethodType {
+	mtype := method.Type
+	mname := method.Name
+	inNum := mtype.NumIn()
+	outNum := mtype.NumOut()
+
+	// Method must be exported.
+	if method.PkgPath != "" {
+		return nil
+	}
+
+	var (
+		replyType, ctxType reflect.Type
+		argsType           []reflect.Type
+	)
+
+	// this method is in RPCService
+	// we force users must implement RPCService interface in their provider
+	// and RPCService has only one method "Reference"
+	// In general, this method should not be exported to client
+	// so we ignore this method
+	// see RPCService
+	if mname == "Reference" {
+		return nil
+	}
+
+	if outNum != 1 && outNum != 2 {
+		return nil
+	}
+
+	// The latest return type of the method must be error.
+	if returnType := mtype.Out(outNum - 1); returnType != typeOfError {
+		return nil
+	}
+
+	// replyType
+	if outNum == 2 {
+		replyType = mtype.Out(0)
+		if !isExportedOrBuiltinType(replyType) {
+			return nil
+		}
+	}
+
+	index := 1
+
+	// ctxType
+	if inNum > 1 && mtype.In(1).String() == "context.Context" {
+		ctxType = mtype.In(1)
+		index = 2
+	}
+
+	for ; index < inNum; index++ {
+		argsType = append(argsType, mtype.In(index))
+		// need not be a pointer.
+		if !isExportedOrBuiltinType(mtype.In(index)) {
+			return nil
+		}
+	}
+
+	return &MethodType{method: method, argsType: argsType, replyType: replyType, ctxType: ctxType}
+}

dubbogo/rpc_service_test.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import (
+	"context"
+	"reflect"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	constant "github.com/dubbogo/gost/dubbogo/constant"
+)
+
+const (
+	referenceTestPath             = "com.test.Path"
+	referenceTestPathDistinct     = "com.test.Path1"
+	testInterfaceName             = "testService"
+	testProtocol                  = "testprotocol"
+	testSuiteMethodExpectedString = "interface {}"
+)
+
+type TestService struct{}
+
+func (s *TestService) MethodOne(ctx context.Context, arg1, arg2, arg3 interface{}) error {
+	return nil
+}
+
+func (s *TestService) MethodTwo(arg1, arg2, arg3 interface{}) (interface{}, error) {
+	return struct{}{}, nil
+}
+
+func (s *TestService) MethodThree() error {
+	return nil
+}
+
+func (s *TestService) Reference() string {
+	return referenceTestPath
+}
+
+func (s *TestService) MethodMapper() map[string]string {
+	return map[string]string{
+		"MethodTwo": "methodTwo",
+	}
+}
+
+type testService struct{}
+
+func (s *testService) Method1(ctx context.Context, args testService, rsp *struct{}) error {
+	return nil
+}
+
+func (s *testService) Method2(ctx context.Context, args []interface{}) (testService, error) {
+	return testService{}, nil
+}
+
+func (s *testService) Method3(ctx context.Context, args []interface{}, rsp *struct{}) {
+}
+
+func (s *testService) Method4(ctx context.Context, args []interface{}, rsp *struct{}) *testService {
+	return nil
+}
+
+func (s *testService) Reference() string {
+	return referenceTestPath
+}
+
+type TestService1 struct{}
+
+func (s *TestService1) Reference() string {
+	return referenceTestPathDistinct
+}
+
+func TestServiceMapRegister(t *testing.T) {
+	// lowercase
+	s0 := &testService{}
+	// methods, err := ServiceMap.Register("testporotocol", s0)
+	_, err := ServiceMap.Register(testInterfaceName, "testporotocol", "", "v0", s0)
+	assert.EqualError(t, err, "type testService is not exported")
+
+	// succ
+	s := &TestService{}
+	methods, err := ServiceMap.Register(testInterfaceName, "testporotocol", "", "v1", s)
+	assert.NoError(t, err)
+	assert.Equal(t, "MethodOne,MethodThree,methodTwo", methods)
+
+	// repeat
+	_, err = ServiceMap.Register(testInterfaceName, "testporotocol", "", "v1", s)
+	assert.EqualError(t, err, "service already defined: testService:v1")
+
+	// no method
+	s1 := &TestService1{}
+	_, err = ServiceMap.Register(testInterfaceName, "testporotocol", "", "v2", s1)
+	assert.EqualError(t, err, "type testService:v2 has no exported methods of suitable type")
+
+	ServiceMap = &serviceMap{
+		serviceMap:   make(map[string]map[string]*Service),
+		interfaceMap: make(map[string][]*Service),
+	}
+}
+
+func TestServiceMapUnRegister(t *testing.T) {
+	s := &TestService{}
+	_, err := ServiceMap.Register("TestService", testProtocol, "", "v1", s)
+	assert.NoError(t, err)
+	assert.NotNil(t, ServiceMap.GetService(testProtocol, "TestService", "", "v1"))
+	assert.Equal(t, 1, len(ServiceMap.GetInterface("TestService")))
+
+	err = ServiceMap.UnRegister("", "", ServiceKey("TestService", "", "v1"))
+	assert.EqualError(t, err, "protocol or serviceKey is nil")
+
+	err = ServiceMap.UnRegister("", "protocol", ServiceKey("TestService", "", "v1"))
+	assert.EqualError(t, err, "no services for protocol")
+
+	err = ServiceMap.UnRegister("", testProtocol, ServiceKey("TestService", "", "v0"))
+	assert.EqualError(t, err, "no service for TestService:v0")
+
+	// success
+	err = ServiceMap.UnRegister("TestService", testProtocol, ServiceKey("TestService", "", "v1"))
+	assert.NoError(t, err)
+}
+
+func TestMethodTypeSuiteContext(t *testing.T) {
+	mt := &MethodType{ctxType: reflect.TypeOf(context.TODO())}
+	ctx := context.Background()
+	key := constant.DubboCtxKey("key")
+	ctx = context.WithValue(ctx, key, "value")
+	assert.Equal(t, reflect.ValueOf(ctx), mt.SuiteContext(ctx))
+}
+
+func TestSuiteMethod(t *testing.T) {
+	s := &TestService{}
+	method, ok := reflect.TypeOf(s).MethodByName("MethodOne")
+	assert.True(t, ok)
+	methodType := suiteMethod(method)
+	method = methodType.Method()
+	assert.Equal(t, "func(*gxdubbogo.TestService, context.Context, interface {}, interface {}, interface {}) error", method.Type.String())
+	at := methodType.ArgsType()
+	assert.Equal(t, testSuiteMethodExpectedString, at[0].String())
+	assert.Equal(t, testSuiteMethodExpectedString, at[1].String())
+	assert.Equal(t, testSuiteMethodExpectedString, at[2].String())
+	ct := methodType.CtxType()
+	assert.Equal(t, "context.Context", ct.String())
+	rt := methodType.ReplyType()
+	assert.Nil(t, rt)
+
+	method, ok = reflect.TypeOf(s).MethodByName("MethodTwo")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	method = methodType.Method()
+	assert.Equal(t, "func(*gxdubbogo.TestService, interface {}, interface {}, interface {}) (interface {}, error)", method.Type.String())
+	at = methodType.ArgsType()
+	assert.Equal(t, testSuiteMethodExpectedString, at[0].String())
+	assert.Equal(t, testSuiteMethodExpectedString, at[1].String())
+	assert.Equal(t, testSuiteMethodExpectedString, at[2].String())
+	assert.Nil(t, methodType.CtxType())
+	rt = methodType.ReplyType()
+	assert.Equal(t, testSuiteMethodExpectedString, rt.String())
+
+	method, ok = reflect.TypeOf(s).MethodByName("MethodThree")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	method = methodType.Method()
+	assert.Equal(t, "func(*gxdubbogo.TestService) error", method.Type.String())
+	at = methodType.ArgsType()
+	assert.Equal(t, 0, len(at))
+	assert.Nil(t, methodType.CtxType())
+	rt = methodType.ReplyType()
+	assert.Nil(t, rt)
+
+	// wrong number of in return
+	s1 := &testService{}
+	method, ok = reflect.TypeOf(s1).MethodByName("Reference")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	assert.Nil(t, methodType)
+
+	// args not exported
+	method, ok = reflect.TypeOf(s1).MethodByName("Method1")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	assert.Nil(t, methodType)
+
+	// Reply not exported
+	method, ok = reflect.TypeOf(s1).MethodByName("Method2")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	assert.Nil(t, methodType)
+
+	// no return
+	method, ok = reflect.TypeOf(s1).MethodByName("Method3")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	assert.Nil(t, methodType)
+
+	// return value is not error
+	method, ok = reflect.TypeOf(s1).MethodByName("Method4")
+	assert.True(t, ok)
+	methodType = suiteMethod(method)
+	assert.Nil(t, methodType)
+}

dubbogo/url.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"math"
+	"net"
+	"net/url"
+	"strconv"
+	"strings"
+	"sync"
+)
+
+import (
+	cm "github.com/Workiva/go-datastructures/common"
+	"github.com/jinzhu/copier"
+	perrors "github.com/pkg/errors"
+	"github.com/satori/go.uuid"
+)
+
+import (
+	gxset "github.com/dubbogo/gost/container/set"
+	constant "github.com/dubbogo/gost/dubbogo/constant"
+)
+
+// ///////////////////////////////
+// dubbo role type
+// ///////////////////////////////
+
+// role constant
+const (
+	// CONSUMER is consumer role
+	CONSUMER = iota
+	// CONFIGURATOR is configurator role
+	CONFIGURATOR
+	// ROUTER is router role
+	ROUTER
+	// PROVIDER is provider role
+	PROVIDER
+	PROTOCOL = "protocol"
+)
+
+var (
+	// DubboNodes Dubbo service node
+	DubboNodes = [...]string{"consumers", "configurators", "routers", "providers"}
+	// DubboRole Dubbo service role
+	DubboRole = [...]string{"consumer", "", "routers", "provider"}
+	// CompareURLEqualFunc compare two url is equal
+	compareURLEqualFunc CompareURLEqualFunc
+)
+
+func init() {
+	compareURLEqualFunc = defaultCompareURLEqual
+}
+
+// nolint
+type RoleType int
+
+func (t RoleType) String() string {
+	return DubboNodes[t]
+}
+
+// Role returns role by @RoleType
+func (t RoleType) Role() string {
+	return DubboRole[t]
+}
+
+type baseUrl struct {
+	Protocol string
+	Location string // ip+port
+	Ip       string
+	Port     string
+
+	PrimitiveURL string
+}
+
+// noCopy may be embedded into structs which must not be copied
+// after the first use.
+//
+// See https://golang.org/issues/8005#issuecomment-190753527
+// for details.
+type noCopy struct{}
+
+// Lock is a no-op used by -copylocks checker from `go vet`.
+func (*noCopy) Lock()   {}
+func (*noCopy) Unlock() {}
+
+// URL thread-safe. but this url should not be copied.
+// we fail to define this struct to be immutable object.
+// but, those method which will update the URL, including SetParam, SetParams
+// are only allowed to be invoked in creating URL instance
+// Please keep in mind that this struct is immutable after it has been created and initialized.
+type URL struct {
+	noCopy noCopy
+
+	baseUrl
+	// url.Values is not safe map, add to avoid concurrent map read and map write error
+	paramsLock sync.RWMutex
+	params     url.Values
+
+	Path     string // like  /com.ikurento.dubbo.UserProvider
+	Username string
+	Password string
+	Methods  []string
+	// special for registry
+	SubURL *URL
+}
+
+// Option accepts url
+// Option will define a function of handling URL
+type Option func(*URL)
+
+// WithUsername sets username for url
+func WithUsername(username string) Option {
+	return func(url *URL) {
+		url.Username = username
+	}
+}
+
+// WithPassword sets password for url
+func WithPassword(pwd string) Option {
+	return func(url *URL) {
+		url.Password = pwd
+	}
+}
+
+// WithMethods sets methods for url
+func WithMethods(methods []string) Option {
+	return func(url *URL) {
+		url.Methods = methods
+	}
+}
+
+// WithParams sets params for url
+func WithParams(params url.Values) Option {
+	return func(url *URL) {
+		url.params = params
+	}
+}
+
+// WithParamsValue sets params field for url
+func WithParamsValue(key, val string) Option {
+	return func(url *URL) {
+		url.SetParam(key, val)
+	}
+}
+
+// WithProtocol sets protocol for url
+func WithProtocol(proto string) Option {
+	return func(url *URL) {
+		url.Protocol = proto
+	}
+}
+
+// WithIp sets ip for url
+func WithIp(ip string) Option {
+	return func(url *URL) {
+		url.Ip = ip
+	}
+}
+
+// WithPort sets port for url
+func WithPort(port string) Option {
+	return func(url *URL) {
+		url.Port = port
+	}
+}
+
+// WithPath sets path for url
+func WithPath(path string) Option {
+	return func(url *URL) {
+		url.Path = "/" + strings.TrimPrefix(path, "/")
+	}
+}
+
+// WithLocation sets location for url
+func WithLocation(location string) Option {
+	return func(url *URL) {
+		url.Location = location
+	}
+}
+
+// WithToken sets token for url
+func WithToken(token string) Option {
+	return func(url *URL) {
+		if len(token) > 0 {
+			value := token
+			if strings.ToLower(token) == "true" || strings.ToLower(token) == "default" {
+				u, err := uuid.NewV4()
+				if err != nil {
+					return
+				}
+				value = u.String()
+			}
+			url.SetParam(constant.TOKEN_KEY, value)
+		}
+	}
+}
+
+// NewURLWithOptions will create a new url with options
+func NewURLWithOptions(opts ...Option) *URL {
+	newURL := &URL{}
+	for _, opt := range opts {
+		opt(newURL)
+	}
+	newURL.Location = newURL.Ip + ":" + newURL.Port
+	return newURL
+}
+
+// NewURL will create a new url
+// the urlString should not be empty
+func NewURL(urlString string, opts ...Option) (*URL, error) {
+	s := URL{baseUrl: baseUrl{}}
+	if urlString == "" {
+		return &s, nil
+	}
+
+	rawUrlString, err := url.QueryUnescape(urlString)
+	if err != nil {
+		return &s, perrors.Errorf("url.QueryUnescape(%s),  error{%v}", urlString, err)
+	}
+
+	// rawUrlString = "//" + rawUrlString
+	if !strings.Contains(rawUrlString, "//") {
+		t := URL{baseUrl: baseUrl{}}
+		for _, opt := range opts {
+			opt(&t)
+		}
+		rawUrlString = t.Protocol + "://" + rawUrlString
+	}
+
+	serviceUrl, urlParseErr := url.Parse(rawUrlString)
+	if urlParseErr != nil {
+		return &s, perrors.Errorf("url.Parse(url string{%s}),  error{%v}", rawUrlString, err)
+	}
+
+	s.params, err = url.ParseQuery(serviceUrl.RawQuery)
+	if err != nil {
+		return &s, perrors.Errorf("url.ParseQuery(raw url string{%s}),  error{%v}", serviceUrl.RawQuery, err)
+	}
+
+	s.PrimitiveURL = urlString
+	s.Protocol = serviceUrl.Scheme
+	s.Username = serviceUrl.User.Username()
+	s.Password, _ = serviceUrl.User.Password()
+	s.Location = serviceUrl.Host
+	s.Path = serviceUrl.Path
+	if strings.Contains(s.Location, ":") {
+		s.Ip, s.Port, err = net.SplitHostPort(s.Location)
+		if err != nil {
+			return &s, perrors.Errorf("net.SplitHostPort(url.Host{%s}), error{%v}", s.Location, err)
+		}
+	}
+	for _, opt := range opts {
+		opt(&s)
+	}
+	return &s, nil
+}
+
+// URLEqual judge @url and @c is equal or not.
+func (c *URL) URLEqual(url *URL) bool {
+	tmpC := c.Clone()
+	tmpC.Ip = ""
+	tmpC.Port = ""
+
+	tmpUrl := url.Clone()
+	tmpUrl.Ip = ""
+	tmpUrl.Port = ""
+
+	cGroup := tmpC.GetParam(constant.GROUP_KEY, "")
+	urlGroup := tmpUrl.GetParam(constant.GROUP_KEY, "")
+	cKey := tmpC.Key()
+	urlKey := tmpUrl.Key()
+
+	if cGroup == constant.ANY_VALUE {
+		cKey = strings.Replace(cKey, "group=*", "group="+urlGroup, 1)
+	} else if urlGroup == constant.ANY_VALUE {
+		urlKey = strings.Replace(urlKey, "group=*", "group="+cGroup, 1)
+	}
+
+	// 1. protocol, username, password, ip, port, service name, group, version should be equal
+	if cKey != urlKey {
+		return false
+	}
+
+	// 2. if url contains enabled key, should be true, or *
+	if tmpUrl.GetParam(constant.ENABLED_KEY, "true") != "true" && tmpUrl.GetParam(constant.ENABLED_KEY, "") != constant.ANY_VALUE {
+		return false
+	}
+
+	// TODO :may need add interface key any value condition
+	return isMatchCategory(tmpUrl.GetParam(constant.CATEGORY_KEY, constant.DEFAULT_CATEGORY), tmpC.GetParam(constant.CATEGORY_KEY, constant.DEFAULT_CATEGORY))
+}
+
+func isMatchCategory(category1 string, category2 string) bool {
+	if len(category2) == 0 {
+		return category1 == constant.DEFAULT_CATEGORY
+	} else if strings.Contains(category2, constant.ANY_VALUE) {
+		return true
+	} else if strings.Contains(category2, constant.REMOVE_VALUE_PREFIX) {
+		return !strings.Contains(category2, constant.REMOVE_VALUE_PREFIX+category1)
+	} else {
+		return strings.Contains(category2, category1)
+	}
+}
+
+func (c *URL) String() string {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	var buf strings.Builder
+	if len(c.Username) == 0 && len(c.Password) == 0 {
+		buf.WriteString(fmt.Sprintf("%s://%s:%s%s?", c.Protocol, c.Ip, c.Port, c.Path))
+	} else {
+		buf.WriteString(fmt.Sprintf("%s://%s:%s@%s:%s%s?", c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.Path))
+	}
+	buf.WriteString(c.params.Encode())
+	return buf.String()
+}
+
+// Key gets key
+func (c *URL) Key() string {
+	buildString := fmt.Sprintf("%s://%s:%s@%s:%s/?interface=%s&group=%s&version=%s",
+		c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.Service(), c.GetParam(constant.GROUP_KEY, ""), c.GetParam(constant.VERSION_KEY, ""))
+	return buildString
+}
+
+// ServiceKey gets a unique key of a service.
+func (c *URL) ServiceKey() string {
+	return ServiceKey(c.GetParam(constant.INTERFACE_KEY, strings.TrimPrefix(c.Path, "/")),
+		c.GetParam(constant.GROUP_KEY, ""), c.GetParam(constant.VERSION_KEY, ""))
+}
+
+func ServiceKey(intf string, group string, version string) string {
+	if intf == "" {
+		return ""
+	}
+	buf := &bytes.Buffer{}
+	if group != "" {
+		buf.WriteString(group)
+		buf.WriteString("/")
+	}
+
+	buf.WriteString(intf)
+
+	if version != "" && version != "0.0.0" {
+		buf.WriteString(":")
+		buf.WriteString(version)
+	}
+
+	return buf.String()
+}
+
+// ColonSeparatedKey
+// The format is "{interface}:[version]:[group]"
+func (c *URL) ColonSeparatedKey() string {
+	intf := c.GetParam(constant.INTERFACE_KEY, strings.TrimPrefix(c.Path, "/"))
+	if intf == "" {
+		return ""
+	}
+	var buf strings.Builder
+	buf.WriteString(intf)
+	buf.WriteString(":")
+	version := c.GetParam(constant.VERSION_KEY, "")
+	if version != "" && version != "0.0.0" {
+		buf.WriteString(version)
+	}
+	group := c.GetParam(constant.GROUP_KEY, "")
+	buf.WriteString(":")
+	if group != "" {
+		buf.WriteString(group)
+	}
+	return buf.String()
+}
+
+// EncodedServiceKey encode the service key
+func (c *URL) EncodedServiceKey() string {
+	serviceKey := c.ServiceKey()
+	return strings.Replace(serviceKey, "/", "*", 1)
+}
+
+// Service gets service
+func (c *URL) Service() string {
+	service := c.GetParam(constant.INTERFACE_KEY, strings.TrimPrefix(c.Path, "/"))
+	if service != "" {
+		return service
+	} else if c.SubURL != nil {
+		service = c.SubURL.GetParam(constant.INTERFACE_KEY, strings.TrimPrefix(c.Path, "/"))
+		if service != "" { // if url.path is "" then return suburl's path, special for registry url
+			return service
+		}
+	}
+	return ""
+}
+
+// AddParam will add the key-value pair
+func (c *URL) AddParam(key string, value string) {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	if c.params == nil {
+		c.params = url.Values{}
+	}
+	c.params.Add(key, value)
+}
+
+// AddParamAvoidNil will add key-value pair
+func (c *URL) AddParamAvoidNil(key string, value string) {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	if c.params == nil {
+		c.params = url.Values{}
+	}
+	c.params.Add(key, value)
+}
+
+// SetParam will put the key-value pair into url
+// usually it should only be invoked when you want to initialized an url
+func (c *URL) SetParam(key string, value string) {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	if c.params == nil {
+		c.params = url.Values{}
+	}
+	c.params.Set(key, value)
+}
+
+// DelParam will delete the given key from the url
+func (c *URL) DelParam(key string) {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	if c.params != nil {
+		c.params.Del(key)
+	}
+}
+
+// ReplaceParams will replace the URL.params
+// usually it should only be invoked when you want to modify an url, such as MergeURL
+func (c *URL) ReplaceParams(param url.Values) {
+	c.paramsLock.Lock()
+	defer c.paramsLock.Unlock()
+	c.params = param
+}
+
+// RangeParams will iterate the params
+func (c *URL) RangeParams(f func(key, value string) bool) {
+	c.paramsLock.RLock()
+	defer c.paramsLock.RUnlock()
+	for k, v := range c.params {
+		if !f(k, v[0]) {
+			break
+		}
+	}
+}
+
+// GetParam gets value by key
+func (c *URL) GetParam(s string, d string) string {
+	c.paramsLock.RLock()
+	defer c.paramsLock.RUnlock()
+
+	var r string
+	if len(c.params) > 0 {
+		r = c.params.Get(s)
+	}
+	if len(r) == 0 {
+		r = d
+	}
+
+	return r
+}
+
+// GetParams gets values
+func (c *URL) GetParams() url.Values {
+	return c.params
+}
+
+// GetParamAndDecoded gets values and decode
+func (c *URL) GetParamAndDecoded(key string) (string, error) {
+	ruleDec, err := base64.URLEncoding.DecodeString(c.GetParam(key, ""))
+	value := string(ruleDec)
+	return value, err
+}
+
+// GetRawParam gets raw param
+func (c *URL) GetRawParam(key string) string {
+	switch key {
+	case PROTOCOL:
+		return c.Protocol
+	case "username":
+		return c.Username
+	case "host":
+		return strings.Split(c.Location, ":")[0]
+	case "password":
+		return c.Password
+	case "port":
+		return c.Port
+	case "path":
+		return c.Path
+	default:
+		return c.GetParam(key, "")
+	}
+}
+
+// GetParamBool judge whether @key exists or not
+func (c *URL) GetParamBool(key string, d bool) bool {
+	r, err := strconv.ParseBool(c.GetParam(key, ""))
+	if err != nil {
+		return d
+	}
+	return r
+}
+
+// GetParamInt gets int64 value by @key
+func (c *URL) GetParamInt(key string, d int64) int64 {
+	r, err := strconv.ParseInt(c.GetParam(key, ""), 10, 64)
+	if err != nil {
+		return d
+	}
+	return r
+}
+
+// GetParamInt32 gets int32 value by @key
+func (c *URL) GetParamInt32(key string, d int32) int32 {
+	r, err := strconv.ParseInt(c.GetParam(key, ""), 10, 32)
+	if err != nil {
+		return d
+	}
+	return int32(r)
+}
+
+// GetParamByIntValue gets int value by @key
+func (c *URL) GetParamByIntValue(key string, d int) int {
+	r, err := strconv.ParseInt(c.GetParam(key, ""), 10, 0)
+	if err != nil {
+		return d
+	}
+	return int(r)
+}
+
+// GetMethodParamInt gets int method param
+func (c *URL) GetMethodParamInt(method string, key string, d int64) int64 {
+	r, err := strconv.ParseInt(c.GetParam("methods."+method+"."+key, ""), 10, 64)
+	if err != nil {
+		return d
+	}
+	return r
+}
+
+// GetMethodParamIntValue gets int method param
+func (c *URL) GetMethodParamIntValue(method string, key string, d int) int {
+	r, err := strconv.ParseInt(c.GetParam("methods."+method+"."+key, ""), 10, 0)
+	if err != nil {
+		return d
+	}
+	return int(r)
+}
+
+// GetMethodParamInt64 gets int64 method param
+func (c *URL) GetMethodParamInt64(method string, key string, d int64) int64 {
+	r := c.GetMethodParamInt(method, key, math.MinInt64)
+	if r == math.MinInt64 {
+		return c.GetParamInt(key, d)
+	}
+	return r
+}
+
+// GetMethodParam gets method param
+func (c *URL) GetMethodParam(method string, key string, d string) string {
+	r := c.GetParam("methods."+method+"."+key, "")
+	if r == "" {
+		r = d
+	}
+	return r
+}
+
+// GetMethodParamBool judge whether @method param exists or not
+func (c *URL) GetMethodParamBool(method string, key string, d bool) bool {
+	r := c.GetParamBool("methods."+method+"."+key, d)
+	return r
+}
+
+// SetParams will put all key-value pair into url.
+// 1. if there already has same key, the value will be override
+// 2. it's not thread safe
+// 3. think twice when you want to invoke this method
+func (c *URL) SetParams(m url.Values) {
+	for k := range m {
+		c.SetParam(k, m.Get(k))
+	}
+}
+
+// ToMap transfer URL to Map
+func (c *URL) ToMap() map[string]string {
+	paramsMap := make(map[string]string)
+
+	c.RangeParams(func(key, value string) bool {
+		paramsMap[key] = value
+		return true
+	})
+
+	if c.Protocol != "" {
+		paramsMap[PROTOCOL] = c.Protocol
+	}
+	if c.Username != "" {
+		paramsMap["username"] = c.Username
+	}
+	if c.Password != "" {
+		paramsMap["password"] = c.Password
+	}
+	if c.Location != "" {
+		paramsMap["host"] = strings.Split(c.Location, ":")[0]
+		var port string
+		if strings.Contains(c.Location, ":") {
+			port = strings.Split(c.Location, ":")[1]
+		} else {
+			port = "0"
+		}
+		paramsMap["port"] = port
+	}
+	if c.Protocol != "" {
+		paramsMap[PROTOCOL] = c.Protocol
+	}
+	if c.Path != "" {
+		paramsMap["path"] = c.Path
+	}
+	if len(paramsMap) == 0 {
+		return nil
+	}
+	return paramsMap
+}
+
+// configuration  > reference config >service config
+//  in this function we should merge the reference local url config into the service url from registry.
+// TODO configuration merge, in the future , the configuration center's config should merge too.
+
+// MergeURL will merge those two url
+// the result is based on serviceUrl, and the key which si only contained in referenceUrl
+// will be added into result.
+// for example, if serviceUrl contains params (a1->v1, b1->v2) and referenceUrl contains params(a2->v3, b1 -> v4)
+// the params of result will be (a1->v1, b1->v2, a2->v3).
+// You should notice that the value of b1 is v2, not v4.
+// due to URL is not thread-safe, so this method is not thread-safe
+func MergeURL(serviceUrl *URL, referenceUrl *URL) *URL {
+	// After Clone, it is a new url that there is no thread safe issue.
+	mergedUrl := serviceUrl.Clone()
+	params := mergedUrl.GetParams()
+	// iterator the referenceUrl if serviceUrl not have the key ,merge in
+	// referenceUrl usually will not changed. so change RangeParams to GetParams to avoid the string value copy.
+	for key, value := range referenceUrl.GetParams() {
+		if v := mergedUrl.GetParam(key, ""); len(v) == 0 {
+			if len(value) > 0 {
+				params[key] = value
+			}
+		}
+	}
+
+	// loadBalance,cluster,retries strategy config
+	methodConfigMergeFcn := mergeNormalParam(params, referenceUrl, []string{constant.LOADBALANCE_KEY, constant.CLUSTER_KEY, constant.RETRIES_KEY, constant.TIMEOUT_KEY})
+
+	// remote timestamp
+	if v := serviceUrl.GetParam(constant.TIMESTAMP_KEY, ""); len(v) > 0 {
+		params[constant.REMOTE_TIMESTAMP_KEY] = []string{v}
+		params[constant.TIMESTAMP_KEY] = []string{referenceUrl.GetParam(constant.TIMESTAMP_KEY, "")}
+	}
+
+	// finally execute methodConfigMergeFcn
+	for _, method := range referenceUrl.Methods {
+		for _, fcn := range methodConfigMergeFcn {
+			fcn("methods." + method)
+		}
+	}
+	// In this way, we will raise some performance.
+	mergedUrl.ReplaceParams(params)
+	return mergedUrl
+}
+
+// Clone will copy the url
+func (c *URL) Clone() *URL {
+	newURL := &URL{}
+	if err := copier.Copy(newURL, c); err != nil {
+		// this is impossible
+		return newURL
+	}
+	newURL.params = url.Values{}
+	c.RangeParams(func(key, value string) bool {
+		newURL.SetParam(key, value)
+		return true
+	})
+
+	return newURL
+}
+
+func (c *URL) CloneExceptParams(excludeParams *gxset.HashSet) *URL {
+	newURL := &URL{}
+	if err := copier.Copy(newURL, c); err != nil {
+		// this is impossible
+		return newURL
+	}
+	newURL.params = url.Values{}
+	c.RangeParams(func(key, value string) bool {
+		if !excludeParams.Contains(key) {
+			newURL.SetParam(key, value)
+		}
+		return true
+	})
+	return newURL
+}
+
+func (c *URL) Compare(comp cm.Comparator) int {
+	a := c.String()
+	b := comp.(*URL).String()
+	switch {
+	case a > b:
+		return 1
+	case a < b:
+		return -1
+	default:
+		return 0
+	}
+}
+
+// Copy url based on the reserved parameter's keys.
+func (c *URL) CloneWithParams(reserveParams []string) *URL {
+	params := url.Values{}
+	for _, reserveParam := range reserveParams {
+		v := c.GetParam(reserveParam, "")
+		if len(v) != 0 {
+			params.Set(reserveParam, v)
+		}
+	}
+
+	return NewURLWithOptions(
+		WithProtocol(c.Protocol),
+		WithUsername(c.Username),
+		WithPassword(c.Password),
+		WithIp(c.Ip),
+		WithPort(c.Port),
+		WithPath(c.Path),
+		WithMethods(c.Methods),
+		WithParams(params),
+	)
+}
+
+// IsEquals compares if two URLs equals with each other. Excludes are all parameter keys which should ignored.
+func IsEquals(left *URL, right *URL, excludes ...string) bool {
+	if (left == nil && right != nil) || (right == nil && left != nil) {
+		return false
+	}
+	if left.Ip != right.Ip || left.Port != right.Port {
+		return false
+	}
+
+	leftMap := left.ToMap()
+	rightMap := right.ToMap()
+	for _, exclude := range excludes {
+		delete(leftMap, exclude)
+		delete(rightMap, exclude)
+	}
+
+	if len(leftMap) != len(rightMap) {
+		return false
+	}
+
+	for lk, lv := range leftMap {
+		if rv, ok := rightMap[lk]; !ok {
+			return false
+		} else if lv != rv {
+			return false
+		}
+	}
+
+	return true
+}
+
+func mergeNormalParam(params url.Values, referenceUrl *URL, paramKeys []string) []func(method string) {
+	methodConfigMergeFcn := make([]func(method string), 0, len(paramKeys))
+	for _, paramKey := range paramKeys {
+		if v := referenceUrl.GetParam(paramKey, ""); len(v) > 0 {
+			params[paramKey] = []string{v}
+		}
+		methodConfigMergeFcn = append(methodConfigMergeFcn, func(method string) {
+			if v := referenceUrl.GetParam(method+"."+paramKey, ""); len(v) > 0 {
+				params[method+"."+paramKey] = []string{v}
+			}
+		})
+	}
+	return methodConfigMergeFcn
+}
+
+// URLSlice will be used to sort URL instance
+// Instances will be order by URL.String()
+type URLSlice []*URL
+
+// nolint
+func (s URLSlice) Len() int {
+	return len(s)
+}
+
+// nolint
+func (s URLSlice) Less(i, j int) bool {
+	return s[i].String() < s[j].String()
+}
+
+// nolint
+func (s URLSlice) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+type CompareURLEqualFunc func(l *URL, r *URL, excludeParam ...string) bool
+
+func defaultCompareURLEqual(l *URL, r *URL, excludeParam ...string) bool {
+	return IsEquals(l, r, excludeParam...)
+}
+
+func SetCompareURLEqualFunc(f CompareURLEqualFunc) {
+	compareURLEqualFunc = f
+}
+
+func GetCompareURLEqualFunc() CompareURLEqualFunc {
+	return compareURLEqualFunc
+}

dubbogo/url_test.go

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package gxdubbogo
+
+import (
+	"encoding/base64"
+	"net/url"
+	"testing"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"github.com/apache/dubbo-go/common/constant"
+)
+
+const (
+	userName        = "username"
+	password        = "password"
+	loopbackAddress = "127.0.0.1"
+)
+
+func TestNewURLWithOptions(t *testing.T) {
+	methods := []string{"Methodone,methodtwo"}
+	params := url.Values{}
+	params.Set("key", "value")
+	u := NewURLWithOptions(WithPath("com.test.Service"),
+		WithUsername(userName),
+		WithPassword(password),
+		WithProtocol("testprotocol"),
+		WithIp(loopbackAddress),
+		WithPort("8080"),
+		WithMethods(methods),
+		WithParams(params),
+		WithParamsValue("key2", "value2"))
+	assert.Equal(t, "/com.test.Service", u.Path)
+	assert.Equal(t, userName, u.Username)
+	assert.Equal(t, password, u.Password)
+	assert.Equal(t, "testprotocol", u.Protocol)
+	assert.Equal(t, loopbackAddress, u.Ip)
+	assert.Equal(t, "8080", u.Port)
+	assert.Equal(t, methods, u.Methods)
+	assert.Equal(t, params, u.params)
+}
+
+func TestURL(t *testing.T) {
+	u, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000&timestamp=1556509797245")
+	assert.NoError(t, err)
+
+	urlInst := URL{}
+	urlInst.noCopy.Lock()
+	urlInst.SetParam("hello", "world")
+	urlInst.noCopy.Unlock()
+
+	assert.Equal(t, "/com.ikurento.user.UserProvider", u.Path)
+	assert.Equal(t, "127.0.0.1:20000", u.Location)
+	assert.Equal(t, "dubbo", u.Protocol)
+	assert.Equal(t, loopbackAddress, u.Ip)
+	assert.Equal(t, "20000", u.Port)
+	assert.Equal(t, urlInst.Methods, u.Methods)
+	assert.Equal(t, "", u.Username)
+	assert.Equal(t, "", u.Password)
+	assert.Equal(t, "anyhost=true&application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-"+
+		"provider-golang-1.0.0&environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%"+
+		"2C&module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&side=provider&timeout=3000&t"+
+		"imestamp=1556509797245", u.params.Encode())
+
+	assert.Equal(t, "dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&application=BDTServi"+
+		"ce&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&environment=dev&interface=com.ikure"+
+		"nto.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&module=dubbogo+user-info+server&org=ikurento.com&owner="+
+		"ZX&pid=1447&revision=0.0.1&side=provider&timeout=3000&timestamp=1556509797245", u.String())
+}
+
+func TestURLWithoutSchema(t *testing.T) {
+	u, err := NewURL("127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&"+
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&"+
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&"+
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&"+
+		"side=provider&timeout=3000&timestamp=1556509797245", WithProtocol("dubbo"))
+	assert.NoError(t, err)
+
+	assert.Equal(t, "/com.ikurento.user.UserProvider", u.Path)
+	assert.Equal(t, "127.0.0.1:20000", u.Location)
+	assert.Equal(t, "dubbo", u.Protocol)
+	assert.Equal(t, loopbackAddress, u.Ip)
+	assert.Equal(t, "20000", u.Port)
+	assert.Equal(t, URL{}.Methods, u.Methods)
+	assert.Equal(t, "", u.Username)
+	assert.Equal(t, "", u.Password)
+	assert.Equal(t, "anyhost=true&application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-"+
+		"provider-golang-1.0.0&environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%"+
+		"2C&module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&side=provider&timeout=3000&t"+
+		"imestamp=1556509797245", u.params.Encode())
+
+	assert.Equal(t, "dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&application=BDTServi"+
+		"ce&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&environment=dev&interface=com.ikure"+
+		"nto.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&module=dubbogo+user-info+server&org=ikurento.com&owner="+
+		"ZX&pid=1447&revision=0.0.1&side=provider&timeout=3000&timestamp=1556509797245", u.String())
+}
+
+func TestURLEqual(t *testing.T) {
+	u1, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=&version=2.6.0")
+	assert.NoError(t, err)
+	u2, err := NewURL("dubbo://127.0.0.2:20001/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=&version=2.6.0")
+	assert.NoError(t, err)
+	assert.True(t, u1.URLEqual(u2))
+
+	u3, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=gg&version=2.6.0")
+	assert.NoError(t, err)
+	assert.False(t, u1.URLEqual(u3))
+
+	// urlGroupAnyValue's group is *
+	urlGroupAnyValue, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0")
+	assert.NoError(t, err)
+	assert.True(t, u3.URLEqual(urlGroupAnyValue))
+
+	// test for enabled
+	urlEnabledEmpty, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0&enabled=")
+	assert.NoError(t, err)
+	assert.True(t, u3.URLEqual(urlEnabledEmpty))
+
+	urlEnabledFalse, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0&enabled=1")
+	assert.NoError(t, err)
+	assert.False(t, u3.URLEqual(urlEnabledFalse))
+
+	urlEnabledTrue, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0&enabled=true")
+	assert.NoError(t, err)
+	assert.True(t, u3.URLEqual(urlEnabledTrue))
+
+	urlEnabledAny, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0&enabled=*")
+	assert.NoError(t, err)
+	assert.True(t, u3.URLEqual(urlEnabledAny))
+
+	// test for category
+	categoryAny, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=*&version=2.6.0&enabled=*&category=*")
+	assert.NoError(t, err)
+	assert.True(t, categoryAny.URLEqual(u3))
+}
+
+func TestURLGetParam(t *testing.T) {
+	params := url.Values{}
+	params.Set("key", "value")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetParam("key", "default")
+	assert.Equal(t, "value", v)
+
+	u = URL{}
+	v = u.GetParam("key", "default")
+	assert.Equal(t, "default", v)
+}
+
+func TestURLGetParamInt(t *testing.T) {
+	params := url.Values{}
+	params.Set("key", "value")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetParamInt("key", 1)
+	assert.Equal(t, int64(1), v)
+
+	u = URL{}
+	v = u.GetParamInt("key", 1)
+	assert.Equal(t, int64(1), v)
+}
+
+func TestURLGetParamIntValue(t *testing.T) {
+	params := url.Values{}
+	params.Set("key", "0")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetParamInt("key", 1)
+	assert.Equal(t, int64(0), v)
+
+	u = URL{}
+	v = u.GetParamInt("key", 1)
+	assert.Equal(t, int64(1), v)
+}
+
+func TestURLGetParamBool(t *testing.T) {
+	params := url.Values{}
+	params.Set("force", "true")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetParamBool("force", false)
+	assert.Equal(t, true, v)
+
+	u = URL{}
+	v = u.GetParamBool("force", false)
+	assert.Equal(t, false, v)
+}
+
+func TestURLGetParamAndDecoded(t *testing.T) {
+	rule := "host = 2.2.2.2,1.1.1.1,3.3.3.3 & host !=1.1.1.1 => host = 1.2.3.4"
+	params := url.Values{}
+	params.Set("rule", base64.URLEncoding.EncodeToString([]byte(rule)))
+
+	u := URL{}
+	u.SetParams(params)
+
+	v, _ := u.GetParamAndDecoded("rule")
+	assert.Equal(t, rule, v)
+}
+
+func TestURLGetRawParam(t *testing.T) {
+	u, _ := NewURL("condition://0.0.0.0:8080/com.foo.BarService?serialization=fastjson")
+	u.Username = "test"
+	u.Password = "test"
+	assert.Equal(t, "condition", u.GetRawParam("protocol"))
+	assert.Equal(t, "0.0.0.0", u.GetRawParam("host"))
+	assert.Equal(t, "8080", u.GetRawParam("port"))
+	assert.Equal(t, "test", u.GetRawParam(userName))
+	assert.Equal(t, "test", u.GetRawParam(password))
+	assert.Equal(t, "/com.foo.BarService", u.GetRawParam("path"))
+	assert.Equal(t, "fastjson", u.GetRawParam("serialization"))
+}
+
+func TestURLToMap(t *testing.T) {
+	u, _ := NewURL("condition://0.0.0.0:8080/com.foo.BarService?serialization=fastjson")
+	u.Username = "test"
+	u.Password = "test"
+
+	m := u.ToMap()
+	assert.Equal(t, 7, len(m))
+	assert.Equal(t, "condition", m["protocol"])
+	assert.Equal(t, "0.0.0.0", m["host"])
+	assert.Equal(t, "8080", m["port"])
+	assert.Equal(t, "test", m[userName])
+	assert.Equal(t, "test", m[password])
+	assert.Equal(t, "/com.foo.BarService", m["path"])
+	assert.Equal(t, "fastjson", m["serialization"])
+}
+
+func TestURLGetMethodParamInt(t *testing.T) {
+	params := url.Values{}
+	params.Set("methods.GetValue.timeout", "3")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetMethodParamInt("GetValue", "timeout", 1)
+	assert.Equal(t, int64(3), v)
+
+	u = URL{}
+	v = u.GetMethodParamInt("GetValue", "timeout", 1)
+	assert.Equal(t, int64(1), v)
+}
+
+func TestURLGetMethodParam(t *testing.T) {
+	params := url.Values{}
+	params.Set("methods.GetValue.timeout", "3s")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetMethodParam("GetValue", "timeout", "1s")
+	assert.Equal(t, "3s", v)
+
+	u = URL{}
+	v = u.GetMethodParam("GetValue", "timeout", "1s")
+	assert.Equal(t, "1s", v)
+}
+
+func TestURLGetMethodParamBool(t *testing.T) {
+	params := url.Values{}
+	params.Set("methods.GetValue.async", "true")
+
+	u := URL{}
+	u.SetParams(params)
+
+	v := u.GetMethodParamBool("GetValue", "async", false)
+	assert.Equal(t, true, v)
+
+	u = URL{}
+	v = u.GetMethodParamBool("GetValue2", "async", false)
+	assert.Equal(t, false, v)
+}
+
+func TestMergeUrl(t *testing.T) {
+	referenceUrlParams := url.Values{}
+	referenceUrlParams.Set(constant.CLUSTER_KEY, "random")
+	referenceUrlParams.Set(constant.RETRIES_KEY, "1")
+	referenceUrlParams.Set("test3", "1")
+	referenceUrlParams.Set("methods.testMethod."+constant.RETRIES_KEY, "1")
+	serviceUrlParams := url.Values{}
+	serviceUrlParams.Set("test2", "1")
+	serviceUrlParams.Set(constant.CLUSTER_KEY, "roundrobin")
+	serviceUrlParams.Set(constant.RETRIES_KEY, "2")
+	serviceUrlParams.Set(constant.METHOD_KEYS+".testMethod."+constant.RETRIES_KEY, "2")
+	referenceUrl, _ := NewURL("mock1://127.0.0.1:1111", WithParams(referenceUrlParams), WithMethods([]string{"testMethod"}))
+	serviceUrl, _ := NewURL("mock2://127.0.0.1:20000", WithParams(serviceUrlParams))
+
+	mergedUrl := MergeURL(serviceUrl, referenceUrl)
+	assert.Equal(t, "random", mergedUrl.GetParam(constant.CLUSTER_KEY, ""))
+	assert.Equal(t, "1", mergedUrl.GetParam("test2", ""))
+	assert.Equal(t, "1", mergedUrl.GetParam("test3", ""))
+	assert.Equal(t, "1", mergedUrl.GetParam(constant.RETRIES_KEY, ""))
+	assert.Equal(t, "2", mergedUrl.GetParam(constant.METHOD_KEYS+".testMethod."+constant.RETRIES_KEY, ""))
+}
+
+func TestURLSetParams(t *testing.T) {
+	u1, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=&version=2.6.0&configVersion=1.0")
+	assert.NoError(t, err)
+	params := url.Values{}
+	params.Set("key", "3")
+	u1.SetParams(params)
+	assert.Equal(t, "3", u1.GetParam("key", ""))
+	assert.Equal(t, "2.6.0", u1.GetParam("version", ""))
+}
+
+func TestURLReplaceParams(t *testing.T) {
+	u1, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=&version=2.6.0&configVersion=1.0")
+	assert.NoError(t, err)
+	params := url.Values{}
+	params.Set("key", "3")
+	u1.ReplaceParams(params)
+	assert.Equal(t, "3", u1.GetParam("key", ""))
+	assert.Equal(t, "", u1.GetParam("version", ""))
+}
+
+func TestClone(t *testing.T) {
+	u1, err := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?interface=com.ikurento.user.UserProvider&group=&version=2.6.0&configVersion=1.0")
+	assert.NoError(t, err)
+	u2 := u1.Clone()
+	assert.Equal(t, u2.Protocol, "dubbo")
+	assert.Equal(t, "1.0", u2.GetParam("configVersion", ""))
+	u2.Protocol = "provider"
+	assert.Equal(t, u1.Protocol, "dubbo")
+	assert.Equal(t, u2.Protocol, "provider")
+}
+
+func TestColonSeparatedKey(t *testing.T) {
+	u1, _ := NewURL("dubbo://127.0.0.1:20000")
+	u1.AddParam(constant.INTERFACE_KEY, "com.ikurento.user.UserProvider")
+
+	assert.Equal(t, u1.ColonSeparatedKey(), u1.GetParam(constant.INTERFACE_KEY, "")+"::")
+	u1.AddParam(constant.VERSION_KEY, "version1")
+	assert.Equal(t, u1.ColonSeparatedKey(), u1.GetParam(constant.INTERFACE_KEY, "")+":version1:")
+	u1.AddParam(constant.GROUP_KEY, "group1")
+	assert.Equal(t, u1.ColonSeparatedKey(), u1.GetParam(constant.INTERFACE_KEY, "")+":version1:group1")
+	u1.SetParam(constant.VERSION_KEY, "")
+	assert.Equal(t, u1.ColonSeparatedKey(), u1.GetParam(constant.INTERFACE_KEY, "")+"::group1")
+}
+
+func TestCompareURLEqualFunc(t *testing.T) {
+	// test Default
+	url1, _ := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000&timestamp=1556509797245")
+	url2, _ := NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000&timestamp=155650979798")
+	assert.False(t, GetCompareURLEqualFunc()(url1, url2))
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2, constant.TIMESTAMP_KEY, constant.REMOTE_TIMESTAMP_KEY))
+
+	// test custom
+	url1, _ = NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000&timestamp=1556509797245")
+	url2, _ = NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000&timestamp=155650979798")
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2, constant.TIMESTAMP_KEY, constant.REMOTE_TIMESTAMP_KEY))
+	SetCompareURLEqualFunc(CustomCompareURLEqual)
+	assert.False(t, GetCompareURLEqualFunc()(url1, url2))
+	assert.False(t, GetCompareURLEqualFunc()(url1, url2, constant.TIMESTAMP_KEY, constant.REMOTE_TIMESTAMP_KEY))
+
+	url1, _ = NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000")
+	url2, _ = NewURL("dubbo://127.0.0.1:20000/com.ikurento.user.UserProvider?anyhost=true&" +
+		"application=BDTService&category=providers&default.timeout=10000&dubbo=dubbo-provider-golang-1.0.0&" +
+		"environment=dev&interface=com.ikurento.user.UserProvider&ip=192.168.56.1&methods=GetUser%2C&" +
+		"module=dubbogo+user-info+server&org=ikurento.com&owner=ZX&pid=1447&revision=0.0.1&" +
+		"side=provider&timeout=3000")
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2))
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2, constant.TIMESTAMP_KEY, constant.REMOTE_TIMESTAMP_KEY))
+	SetCompareURLEqualFunc(CustomCompareURLEqual)
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2))
+	assert.True(t, GetCompareURLEqualFunc()(url1, url2, constant.TIMESTAMP_KEY, constant.REMOTE_TIMESTAMP_KEY))
+}
+
+func CustomCompareURLEqual(l *URL, r *URL, execludeParam ...string) bool {
+	return l.PrimitiveURL == r.PrimitiveURL
+}

go.mod

 module github.com/dubbogo/gost
 
 require (
-	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
-	github.com/coreos/bbolt v1.3.3 // indirect
+	github.com/Workiva/go-datastructures v1.0.52
+	github.com/apache/dubbo-go v1.5.6
 	github.com/coreos/etcd v3.3.25+incompatible
-	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dubbogo/go-zookeeper v1.0.3
 	github.com/dubbogo/jsonparser v1.0.1
-	github.com/dustin/go-humanize v1.0.0 // indirect
-	github.com/go-ole/go-ole v1.2.4 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
-	github.com/google/uuid v1.2.0 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.2.2 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
-	github.com/jonboulle/clockwork v0.2.2 // indirect
-	github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect
+	github.com/jinzhu/copier v0.0.0-20190625015134-976e0346caa8
 	github.com/k0kubun/pp v3.0.1+incompatible
-	github.com/kr/text v0.2.0 // indirect
-	github.com/mattn/go-colorable v0.1.7 // indirect
 	github.com/mattn/go-isatty v0.0.12
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/client_golang v1.9.0 // indirect
-	github.com/shirou/gopsutil v3.20.11-0.20201116082039-2fb5da2f2449+incompatible
-	github.com/stretchr/testify v1.6.1
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 // indirect
-	go.etcd.io/bbolt v1.3.4 // indirect
+	github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b
+	github.com/shirou/gopsutil v3.20.11+incompatible
+	github.com/stretchr/testify v1.7.0
 	go.uber.org/atomic v1.7.0
-	go.uber.org/zap v1.16.0 // indirect
-	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
-	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
 	google.golang.org/grpc v1.33.1
-	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-	sigs.k8s.io/yaml v1.2.0 // indirect
 )
 
 replace (

go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/Azure/azure-sdk-for-go v40.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest v0.9.3/go.mod h1:GsRuLYvwzLjjjRoWEIyMUaYq8GNUx2nRB378IPt/1p0=
+github.com/Azure/go-autorest/autorest v0.10.0/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
+github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
+github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/adal v0.8.1/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
+github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
+github.com/Azure/go-autorest/autorest/azure/auth v0.4.2/go.mod h1:90gmfKdlmKgfjUpnCEpOJzsUEjrWDSLwHIG73tSXddM=
+github.com/Azure/go-autorest/autorest/azure/cli v0.3.1/go.mod h1:ZG5p860J94/0kI9mNJVoIoLgXcirM2gF5i2kWloofxw=
+github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/autorest/to v0.3.0/go.mod h1:MgwOyqaIuKdG4TL/2ywSsIWKAfJfgHDo8ObuUk3t5sA=
+github.com/Azure/go-autorest/autorest/validation v0.2.0/go.mod h1:3EEqHnBxQGHXRYq3HT1WyXAvT7LLY3tl70hw6tQIbjI=
+github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
+github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Microsoft/go-winio v0.4.3/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
+github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/NYTimes/gziphandler v1.0.1/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/RoaringBitmap/roaring v0.5.5/go.mod h1:puNo5VdzwbaIQxSiDIwfXl4Hnc+fbovcX4IW/dSTtUk=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
+github.com/Workiva/go-datastructures v1.0.52 h1:PLSK6pwn8mYdaoaCZEMsXBpBotr4HHn9abU0yMQt0NI=
+github.com/Workiva/go-datastructures v1.0.52/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
+github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af/go.mod h1:5Jv4cbFiHJMsVxt52+i0Ha45fjshj6wxYr1r19tB9bw=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/alibaba/sentinel-golang v1.0.2/go.mod h1:QsB99f/z35D2AiMrAWwgWE85kDTkBUIkcmPrRt+61NI=
+github.com/aliyun/alibaba-cloud-sdk-go v1.61.18/go.mod h1:v8ESoHo4SyHmuB4b1tJqDHxfTGEciD+yhvOU/5s1Rfk=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/apache/dubbo-getty v1.4.3/go.mod h1:ansXgKxxyhCOiQL29nO5ce1MDcEKmCyZuNR9oMs3hek=
+github.com/apache/dubbo-go v1.5.6 h1:iTMrXo8jB6DxKOhM83NKDnGA8c9ZPnofCOos/GvKyF8=
+github.com/apache/dubbo-go v1.5.6/go.mod h1:wLJvPWbnrf6/bhoohBT404QK4t2JoNcckMw+/fJ9P+c=
+github.com/apache/dubbo-go-hessian2 v1.9.1/go.mod h1:xQUjE7F8PX49nm80kChFvepA/AvqAZ0oh/UaB6+6pBE=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
+github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
+github.com/armon/go-metrics v0.3.0/go.mod h1:zXjbSimjXTd7vOpY8B0/2LpvNvDoXBuplAD+gJD3GYs=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
 github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
+github.com/aws/aws-sdk-go v1.25.41/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -31,41 +84,67 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
+github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
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 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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+github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
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+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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 github.com/coreos/etcd v3.3.25+incompatible h1:0GQEw6h3YnuOVdtwygkIfJ+Omx0tZ8/QkVyXI4LkbeY=
 github.com/coreos/etcd v3.3.25+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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@@ -369,19 +668,29 @@ go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEa
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@@ -432,7 +751,9 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -529,11 +901,11 @@ google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miE
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@@ -541,7 +913,13 @@ gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS
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@@ -551,7 +929,6 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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@@ -559,9 +936,24 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie
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