/
index.go
448 lines (422 loc) · 13.3 KB
/
index.go
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package mq
import (
"errors"
"fmt"
"strings"
"sync"
"github.com/kevinyjn/gocom/logger"
"github.com/kevinyjn/gocom/mq/kafka"
"github.com/kevinyjn/gocom/mq/mockmq"
"github.com/kevinyjn/gocom/mq/mqenv"
"github.com/kevinyjn/gocom/mq/pulsar"
"github.com/kevinyjn/gocom/mq/rabbitmq"
)
// Constants
const (
DriverTypeAMQP = mqenv.DriverTypeAMQP
DriverTypeKafka = mqenv.DriverTypeKafka
MQTypeConsumer = mqenv.MQTypeConsumer
MQTypePublisher = mqenv.MQTypePublisher
MQEventCodeOk = mqenv.MQEventCodeOk
MQEventCodeFailed = mqenv.MQEventCodeFailed
)
var (
mqCategoryDrivers = map[string]string{}
mqCategoriesByInstance = map[string]map[string]bool{}
mqConnConfigs = map[string]mqenv.MQConnectorConfig{}
mqCategoryDriversMutex = sync.RWMutex{}
mqCategoriesByInstanceMutex = sync.RWMutex{}
mqConnConfigsMutex = sync.RWMutex{}
)
// Init initializer
func Init(mqConfigFile string, mqDriverConfigs map[string]mqenv.MQConnectorConfig) error {
mqRoutesEnv, err := InitMQRoutesEnv(mqConfigFile)
if err != nil {
return err
}
if nil != mqDriverConfigs {
for connName, cfg := range mqDriverConfigs {
if cfg.Disabled {
logger.Info.Printf("skip auto loading disabled mq configuration of %s", connName)
continue
}
mqConnConfigsMutex.Lock()
_, ok := mqConnConfigs[connName]
if !ok {
mqConnConfigs[connName] = cfg
}
mqConnConfigsMutex.Unlock()
}
}
return InitWithMQRoutes(mqRoutesEnv, mqDriverConfigs)
}
// InitWithMQRoutes patitionally init with RoutesEnv
func InitWithMQRoutes(mqRoutesEnv *RoutesEnv, mqDriverConfigs map[string]mqenv.MQConnectorConfig) error {
var lastErr error
for category, cnf := range mqRoutesEnv.MQs {
err := InitMQTopic(category, &cnf, mqDriverConfigs)
if nil != err {
lastErr = err
}
}
return lastErr
}
// InitMQTopic initialize sigle mq topic with drivers
func InitMQTopic(topicCategory string, topicConfig *Config, mqDriverConfigs map[string]mqenv.MQConnectorConfig) error {
if nil == topicConfig {
return fmt.Errorf("initialize MQ topic for category:%s while topic config nil", topicCategory)
}
instCnf, ok := mqDriverConfigs[topicConfig.Instance]
if !ok {
mqConnConfigsMutex.RLock()
instCnf, ok = mqConnConfigs[topicConfig.Instance]
mqConnConfigsMutex.RUnlock()
if !ok {
logger.Error.Printf("Initialize mq:%s with connection instance:%s failed, the instance not configured.", topicCategory, topicConfig.Instance)
return fmt.Errorf("initialize mq:%s with connection instance:%s failed, the instance not configured", topicCategory, topicConfig.Instance)
}
} else {
mqConnConfigsMutex.Lock()
_, ok = mqConnConfigs[topicConfig.Instance]
if !ok {
mqConnConfigs[topicConfig.Instance] = instCnf
}
mqConnConfigsMutex.Unlock()
}
if nil == GetMQConfig(topicCategory) {
SetMQConfig(topicCategory, *topicConfig)
}
var initErr error
mqCategoryDriversMutex.Lock()
mqCategoryDrivers[topicCategory] = instCnf.Driver
mqCategoryDriversMutex.Unlock()
mqCategoriesByInstanceMutex.Lock()
if mqCategoriesByInstance[topicConfig.Instance] == nil {
mqCategoriesByInstance[topicConfig.Instance] = map[string]bool{}
}
mqCategoriesByInstance[topicConfig.Instance][topicCategory] = true
mqCategoriesByInstanceMutex.Unlock()
switch instCnf.Driver {
case mqenv.DriverTypeAMQP:
amqpCfg := &rabbitmq.AMQPConfig{
ConnConfigName: topicConfig.Instance,
Queue: topicConfig.Queue,
QueueDurable: topicConfig.Durable,
BindingExchange: topicConfig.Exchange.Name != "",
ExchangeName: topicConfig.Exchange.Name,
ExchangeType: topicConfig.Exchange.Type,
BindingKey: topicConfig.BindingKey,
QueueAutoDelete: topicConfig.AutoDelete,
}
if topicConfig.RPCEnabled {
return nil
}
_, initErr = rabbitmq.InitRabbitMQ(topicCategory, &instCnf, amqpCfg)
case mqenv.DriverTypeKafka:
hosts := instCnf.Host
if instCnf.Port > 0 {
hostParts := strings.Split(hosts, ",")
for i, hostPart := range hostParts {
hostElems := strings.Split(strings.TrimSpace(hostPart), ":")
if len(hostElems) < 2 {
hostParts[i] = fmt.Sprintf("%s:%d", strings.TrimSpace(hostElems[0]), instCnf.Port)
}
}
hosts = strings.Join(hostParts, ",")
}
kafakCfg := kafka.Config{
Hosts: hosts,
Partition: topicConfig.Partition,
GroupID: topicConfig.GroupID,
MaxPollIntervalMS: topicConfig.MaxPollIntervalMS,
SaslUsername: instCnf.User,
SaslPassword: instCnf.Password,
MessageType: topicConfig.MessageType,
UseOriginalContent: topicConfig.UseOriginalContent,
}
_, initErr = kafka.InitKafka(topicCategory, kafakCfg)
case mqenv.DriverTypePulsar:
pulsarCfg := &pulsar.Config{
ConnConfigName: topicConfig.Instance,
Topic: topicConfig.Topic,
MessageType: topicConfig.MessageType,
}
if "" == pulsarCfg.Topic && "" != topicConfig.Queue {
pulsarCfg.Topic = topicConfig.Queue
}
_, initErr = pulsar.InitPulsarMQ(topicCategory, &instCnf, pulsarCfg)
case mqenv.DriverTypeMock:
mockCfg := mockmq.Config{}
_, initErr = mockmq.InitMockMQ(topicCategory, &instCnf, &mockCfg)
default:
initErr = fmt.Errorf("initialize mq:%s with unknown driver:%s", topicCategory, instCnf.Driver)
}
if initErr != nil {
logger.Error.Printf("Initialize mq:%s failed with error:%s", topicCategory, initErr.Error())
return initErr
}
return nil
}
// HasConnections returns true if has any mq connection
func HasConnections() bool {
return len(mqConnConfigs) > 0
}
// GetAllMQDriverConfigs configs
func GetAllMQDriverConfigs() map[string]mqenv.MQConnectorConfig {
result := map[string]mqenv.MQConnectorConfig{}
mqConnConfigsMutex.RLock()
if nil != mqConnConfigs {
for connName, cfg := range mqConnConfigs {
result[connName] = cfg
}
}
mqConnConfigsMutex.RUnlock()
return result
}
// GetAllCategoryNamesByInstance by instancename
func GetAllCategoryNamesByInstance(instanceName string) []string {
result := []string{}
mqCategoriesByInstanceMutex.RLock()
categories, ok := mqCategoriesByInstance[instanceName]
if ok {
for key := range categories {
result = append(result, key)
}
}
mqCategoriesByInstanceMutex.RUnlock()
return result
}
// FindOneCategoryNameByInstance first hit category
func FindOneCategoryNameByInstance(instanceName string) string {
category := ""
mqCategoriesByInstanceMutex.RLock()
categories, ok := mqCategoriesByInstance[instanceName]
mqCategoriesByInstanceMutex.RUnlock()
if ok {
for key := range categories {
category = key
break
}
}
return category
}
// InitMQWithRPC init mq with RPC
func InitMQWithRPC(topicCategory string, rpcType int, connCfg *mqenv.MQConnectorConfig, mqCfg *Config) error {
if mqCfg == nil || connCfg == nil {
return fmt.Errorf("initialize mq rpc with key:%s rpc_type:%d failed, invalid conn_cofig or invalid mq_config", topicCategory, rpcType)
}
if nil == GetMQConfig(topicCategory) {
SetMQConfig(topicCategory, *mqCfg)
}
if connCfg.Driver == mqenv.DriverTypeAMQP {
mqCategoryDriversMutex.Lock()
if mqCategoryDrivers[topicCategory] == "" {
mqCategoryDrivers[topicCategory] = connCfg.Driver
}
mqCategoryDriversMutex.Unlock()
mqCategoriesByInstanceMutex.Lock()
if mqCategoriesByInstance[mqCfg.Instance] == nil {
mqCategoriesByInstance[mqCfg.Instance] = map[string]bool{}
}
mqCategoriesByInstance[mqCfg.Instance][topicCategory] = true
mqCategoriesByInstanceMutex.Unlock()
if nil == GetMQConfig(topicCategory) {
GetMQRoutes()[topicCategory] = *mqCfg
}
amqpCfg := &rabbitmq.AMQPConfig{
Queue: mqCfg.Queue,
QueueDurable: mqCfg.Durable,
BindingExchange: mqCfg.Exchange.Name != "",
ExchangeName: mqCfg.Exchange.Name,
ExchangeType: mqCfg.Exchange.Type,
BindingKey: mqCfg.BindingKey,
QueueAutoDelete: mqCfg.AutoDelete,
}
if rabbitmq.InitRPCRabbitMQ(topicCategory, rpcType, connCfg, amqpCfg) == nil {
return errors.New("initialize rabbitmq mq rpc failed")
}
} else {
logger.Error.Printf("Initialize mq rpc with key:%s rpc_type:%d and driver:%s failed, driver not supported", topicCategory, rpcType, connCfg.Driver)
return errors.New("invalid mq rpc driver")
}
return nil
}
// GetRabbitMQ get rabbitmq instance
func GetRabbitMQ(name string) (*rabbitmq.RabbitMQ, error) {
return rabbitmq.GetRabbitMQ(name)
}
// GetKafka get kafka instance
func GetKafka(name string) (*kafka.KafkaWorker, error) {
return kafka.GetKafka(name)
}
// GetPulsar get pulsar instance
func GetPulsar(name string) (*pulsar.PulsarMQ, error) {
return pulsar.GetPulsarMQ(name)
}
// ConsumeMQ consume
func ConsumeMQ(mqCategory string, consumeProxy *mqenv.MQConsumerProxy) error {
var err error
mqConfig := GetMQConfig(mqCategory)
if nil == mqConfig {
return fmt.Errorf("consume MQ with invalid category:%s", mqCategory)
}
mqCategoryDriversMutex.RLock()
mqDriver := mqCategoryDrivers[mqCategory]
mqCategoryDriversMutex.RUnlock()
switch mqDriver {
case mqenv.DriverTypeAMQP:
if mqConfig.RPCEnabled {
rpcInst := rabbitmq.GetRPCRabbitMQWithoutConnectedChecking(mqCategory)
if nil == rpcInst {
return fmt.Errorf("no RPC rabbitmq instance by %s found", mqCategory)
}
pxy := rabbitmq.GenerateRabbitMQConsumerProxy(consumeProxy, mqConfig.Exchange.Name)
rpcInst.Consume <- pxy
} else {
inst, err := rabbitmq.GetRabbitMQ(mqCategory)
if nil != err {
return err
}
pxy := rabbitmq.GenerateRabbitMQConsumerProxy(consumeProxy, mqConfig.Exchange.Name)
inst.Consume <- pxy
}
case mqenv.DriverTypeKafka:
inst, err := kafka.GetKafka(mqCategory)
if nil != err {
return err
}
inst.Subscribe(consumeProxy.Queue, consumeProxy)
case mqenv.DriverTypePulsar:
inst, err := pulsar.GetPulsarMQ(mqCategory)
if nil != err {
return err
}
inst.Consume <- consumeProxy
case mqenv.DriverTypeMock:
inst, err := mockmq.GetMockMQ(mqCategory)
if nil != err {
return err
}
inst.Subscribe(consumeProxy.Queue, consumeProxy)
default:
logger.Error.Printf("Consume MQ with category:%s failed, unknwon driver:%s", mqCategory, mqDriver)
err = fmt.Errorf("invalid mq %s driver", mqCategory)
}
return err
}
// PublishMQ publish
func PublishMQ(mqCategory string, publishMsg *mqenv.MQPublishMessage) error {
var err error
mqConfig := GetMQConfig(mqCategory)
if nil == mqConfig {
return fmt.Errorf("publish MQ with invalid category:%s", mqCategory)
}
mqCategoryDriversMutex.RLock()
mqDriver := mqCategoryDrivers[mqCategory]
mqCategoryDriversMutex.RUnlock()
switch mqDriver {
case mqenv.DriverTypeAMQP:
if mqConfig.RPCEnabled {
rpcInst := rabbitmq.GetRPCRabbitMQWithConsumers(mqCategory)
if nil == rpcInst {
return fmt.Errorf("no RPC rabbitmq instance by %s found or there is no backend consumers ready", mqCategory)
}
rpcInst.Publish <- publishMsg
} else {
inst, err := rabbitmq.GetRabbitMQ(mqCategory)
if nil != err {
return err
}
inst.Publish <- publishMsg
}
case mqenv.DriverTypeKafka:
inst, err := kafka.GetKafka(mqCategory)
if nil != err {
return err
}
inst.Send(publishMsg.Exchange, publishMsg, false)
case mqenv.DriverTypePulsar:
inst, err := pulsar.GetPulsarMQ(mqCategory)
if nil != err {
return err
}
inst.Publish <- publishMsg
case mqenv.DriverTypeMock:
inst, err := mockmq.GetMockMQ(mqCategory)
if nil != err {
return err
}
inst.Send(mqConfig.Topic, publishMsg, false)
default:
logger.Error.Printf("Publish MQ with category:%s failed, unknwon driver:%s", mqCategory, mqDriver)
err = fmt.Errorf("invalid mq %s driver", mqCategory)
}
return err
}
// QueryMQ publishes a message and waiting the response
func QueryMQ(mqCategory string, pm *mqenv.MQPublishMessage) (*mqenv.MQConsumerMessage, error) {
mqConfig := GetMQConfig(mqCategory)
if nil == mqConfig {
return nil, fmt.Errorf("query RPC MQ with invalid category:%s", mqCategory)
}
mqCategoryDriversMutex.RLock()
mqDriver := mqCategoryDrivers[mqCategory]
mqCategoryDriversMutex.RUnlock()
switch mqDriver {
case mqenv.DriverTypeAMQP:
inst, err := rabbitmq.GetRabbitMQ(mqCategory)
if nil != err {
return nil, err
}
return inst.QueryRPC(pm)
case mqenv.DriverTypeKafka:
inst, err := kafka.GetKafka(mqCategory)
if nil != err {
return nil, err
}
return inst.Send(pm.Exchange, pm, true)
case mqenv.DriverTypePulsar:
inst, err := pulsar.GetPulsarMQ(mqCategory)
if nil != err {
return nil, err
}
return inst.QueryRPC(pm)
case mqenv.DriverTypeMock:
inst, err := mockmq.GetMockMQ(mqCategory)
if nil != err {
return nil, err
}
return inst.Send(mqConfig.Topic, pm, true)
default:
return nil, fmt.Errorf("query RPC MQ not supported driver:%s", mqDriver)
}
}
// QueryMQRPC publishes a message and waiting the response
func QueryMQRPC(mqCategory string, pm *mqenv.MQPublishMessage) (*mqenv.MQConsumerMessage, error) {
return QueryMQ(mqCategory, pm)
}
// SetupTrackerQueue name
func SetupTrackerQueue(queueName string) {
// rabbitmq
rabbitmq.SetupTrackerQueue(queueName)
// kafka ...
// pulsar
pulsar.SetupTrackerQueue(queueName)
}
// NewMQResponseMessage new mq response publish messge depends on mq consumer message
func NewMQResponseMessage(body []byte, cm *mqenv.MQConsumerMessage) *mqenv.MQPublishMessage {
return mqenv.NewMQResponseMessage(body, cm)
}
// InitMockMQTopic for testing
func InitMockMQTopic(mqCategory string, topic string) {
config := map[string]mqenv.MQConnectorConfig{
mqCategory: {
Driver: mqenv.DriverTypeMock,
},
}
mqConfig := Config{
Instance: mqCategory,
Topic: topic,
}
InitMQTopic(mqCategory, &mqConfig, config)
}