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broker.go
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broker.go
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/*
Toto-build, the stupid Go continuous build server.
Toto-build is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Toto-build is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package broker
import (
"github.com/nsqio/nsq/nsqd"
"github.com/nsqio/nsq/nsqlookupd"
"sync"
"fmt"
"toto-build-common/logs"
)
type Broker struct {
lookup *nsqlookupd.NSQLookupd
broker *nsqd.NSQD
//
BrokerAddr string // default value 0.0.0.0
BrokerPort string // default value 4150
BrokerHttpAddr string // 0.0.0.0
BrokerHttpPort string
BrokerBroadCastAddr string // default 127.0.0.1 -- change it
LookUpTcpAddrr string
LookUpTcpPort string
LookUpHttpAddrr string
LookUpHttpPort string
logger *logs.Logger
}
func NewBroker() *Broker {
b := new(Broker)
b.BrokerAddr = "0.0.0.0"
b.BrokerPort = "4150"
b.BrokerBroadCastAddr = "127.0.0.1"
b.LookUpTcpAddrr = "0.0.0.0"
b.LookUpTcpPort = "4160"
b.LookUpHttpAddrr = "0.0.0.0"
b.LookUpHttpPort = "4161"
b.BrokerHttpAddr = "0.0.0.0"
b.BrokerHttpPort = "4151"
b.logger = logs.NewLogger("[Embeded nsq Broker] : ", logs.NewConsoleAppender(logs.INFO))
b.logger.Infof("Instantiate new broker : ", b)
return b
}
func (b *Broker) String() string {
return fmt.Sprintf("BrokerAddr: %s, BrokerPort: %s, BrokerBroadCastAddr: %s, LookUpTcpAddrr: %s, LookUpTcpPort: %s, LookUpHttpAddrr: %s, LookUpHttpPort: %s, BrokerHttpAddr: %s, BrokerHttpPort: %s",
b.BrokerAddr, b.BrokerPort, b.BrokerBroadCastAddr, b.LookUpTcpAddrr, b.LookUpTcpPort,
b.LookUpHttpAddrr, b.LookUpHttpPort, b.BrokerHttpAddr, b.BrokerHttpPort)
}
func (b *Broker) Start() {
// start nsqlookup first
b.StartLookUp()
// then nsqd
b.StartBroker()
}
func (b *Broker) StartLookUp() {
b.logger.Info("start lookup service")
var wg sync.WaitGroup
wg.Add(1)
go func() {
opt := nsqlookupd.NewOptions()
opt.TCPAddress = b.LookUpTcpAddrr + ":" + b.LookUpTcpPort
opt.HTTPAddress = b.LookUpHttpAddrr + ":" + b.LookUpHttpPort
b.lookup = nsqlookupd.New(opt)
b.lookup.Main()
wg.Done()
b.logger.Info("lookup service started")
}()
wg.Wait()
}
func (b *Broker) StartBroker() {
b.logger.Info("start broker service")
var wg sync.WaitGroup
wg.Add(1)
go func() {
opt := nsqd.NewOptions()
opt.HTTPAddress = b.BrokerHttpAddr + ":" + b.BrokerHttpPort
opt.TCPAddress = b.BrokerAddr + ":" + b.BrokerPort
opt.BroadcastAddress = b.BrokerBroadCastAddr
opt.NSQLookupdTCPAddresses = []string{b.LookUpTcpAddrr + ":" + b.LookUpTcpPort}
b.broker = nsqd.New(opt)
b.broker.Main()
wg.Done()
b.logger.Info("broker service started")
}()
wg.Wait()
}
func (b *Broker) Stop() {
if b.broker != nil {
b.broker.Exit()
b.logger.Info("broker service stopped")
}
if b.lookup != nil {
b.lookup.Exit()
b.logger.Info("lookup service stopped")
}
}