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receiveAutoTx.go
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receiveAutoTx.go
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package main
import (
"fmt"
"strconv"
types "github.com/distributeddesigns/shared_types"
"github.com/streadway/amqp"
)
const (
aTxReceiveQueue = "autoTx_receive"
)
func receiveAutoTx() {
// get channel
ch, err := rmqConn.Channel()
failOnError(err, "Failed to open a channel")
defer ch.Close()
// Make sure all of the expected RabbitMQ exchanges and queues
// exist before we start using them.
// Recieve requests
err = ch.ExchangeDeclare(
autoTxExchange, // name
amqp.ExchangeDirect, // type
true, // durable
false, // auto-deleted
false, // internal
false, // no-wait
nil, // args
)
failOnError(err, "Failed to declare exchange")
queueName := fmt.Sprintf("%s:%d", aTxReceiveQueue, *workerNum)
failOnError(err, "Failed to name queue")
q, err := ch.QueueDeclare(
queueName, // name
true, // durable
false, // delete when unused
false, // exclusive
false, // no wait
nil, // arguments
)
failOnError(err, "Failed to declare a queue")
err = ch.QueueBind(
q.Name, // queue name
strconv.Itoa(*workerNum), // routing key
autoTxExchange, // exchange
false,
nil,
)
failOnError(err, "Failed to subscribe to autoTxExchange")
msgs, err := ch.Consume(
q.Name, // queue
"", // consumer
true, // auto-ack
false, // exclusive
false, // no-local
false, // no-wait
nil, // args
)
failOnError(err, "Failed to consume on exchange")
for d := range msgs {
//fmt.Printf("Response Received\n")
autoTxFilled, err := types.ParseAutoTxFilled(string(d.Body[:]))
failOnError(err, "Failed to parse autoTxInit")
consoleLog.Debugf("AutoTxFilled is : %+v\n", autoTxFilled)
fulfilAutoTx(autoTxFilled)
}
fmt.Printf("AutoTxWorker Receiver Spinning\n")
}