74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
package rabbitmq
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import (
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"clickandjoin.app/serversenteventsserver/modules/cache"
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"clickandjoin.app/serversenteventsserver/modules/structs"
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"clickandjoin.app/serversenteventsserver/modules/utils"
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gocnjhelper "git.clickandjoin.umbach.dev/ClickandJoin/go-cnj-helper"
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amqp "github.com/rabbitmq/amqp091-go"
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)
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func ApiBroadcastMessagesHandling() {
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msgs, err := apiBroadcastMessagesConsumer()
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if err != nil {
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gocnjhelper.LogErrorf("Failed to create api broadcast message consumer, err: %s", err)
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return
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}
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channelClosedChannel := make(chan *amqp.Error, 1)
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ApiBroadcastClient.Channel.NotifyClose(channelClosedChannel)
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go func() {
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for {
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select {
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case <-channelClosedChannel:
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// This case handles the event of closed channel e.g. abnormal shutdown
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msgs, err = apiBroadcastMessagesConsumer()
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if err != nil {
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// If the AMQP channel is not ready, it will continue the loop. Next
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// iteration will enter this case because chClosedCh is closed by the
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// library
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continue
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}
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gocnjhelper.LogDebug("Re-set api broadcast channel")
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// Re-set channel to receive notifications
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// The library closes this channel after abnormal shutdown
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channelClosedChannel = make(chan *amqp.Error, 1)
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ApiBroadcastClient.Channel.NotifyClose(channelClosedChannel)
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case msg := <-msgs:
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var receivedMessage structs.ReceivedMessage
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err = utils.UnmarshalReceivedMessage(msg.Body, &receivedMessage)
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if err != nil {
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gocnjhelper.LogErrorf("Failed to unmarshal received msg, err: %s", err)
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}
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gocnjhelper.LogDebugf("RABBITMQ RECEIVED BROADCAST MESSAGE: %s", receivedMessage)
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gocnjhelper.LogDebugf("SENDING MSG TO %s %s", len(cache.SSEClients), "CLIENTS")
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for id, sseClient := range cache.SSEClients {
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sseClient.MessageChan <- structs.SSEClientChanMessage{ClientId: id, Message: string(msg.Body)}
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}
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}
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}
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}()
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}
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func apiBroadcastMessagesConsumer() (msgs <-chan amqp.Delivery, err error) {
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return ApiBroadcastClient.ConsumeChannelMessages(gocnjhelper.ChannelConsumeSettings{
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QueueName: ApiBroadcastClient.AssignedQueueName,
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Consumer: "",
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AutoAck: true,
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Exclusive: false,
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NoLocal: false,
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NoWait: false,
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Arguments: nil,
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})
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}
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