mirror of https://github.com/milvus-io/milvus.git
64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
package streaming
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import (
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"context"
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"github.com/milvus-io/milvus/internal/distributed/streaming/internal/producer"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/types"
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"github.com/milvus-io/milvus/pkg/v2/util/funcutil"
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)
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// appendToWAL appends the message to the wal.
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func (w *walAccesserImpl) appendToWAL(ctx context.Context, msg message.MutableMessage) (*types.AppendResult, error) {
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pchannel := funcutil.ToPhysicalChannel(msg.VChannel())
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// get producer of pchannel.
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p := w.getProducer(pchannel)
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return p.Produce(ctx, msg)
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}
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// createOrGetProducer creates or get a producer.
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// vchannel in same pchannel can share the same producer.
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func (w *walAccesserImpl) getProducer(pchannel string) *producer.ResumableProducer {
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w.producerMutex.Lock()
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defer w.producerMutex.Unlock()
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// TODO: A idle producer should be removed maybe?
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if p, ok := w.producers[pchannel]; ok {
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return p
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}
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p := producer.NewResumableProducer(w.handlerClient.CreateProducer, &producer.ProducerOptions{
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PChannel: pchannel,
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})
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w.producers[pchannel] = p
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return p
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}
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// assertValidMessage asserts the message is not system message.
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func assertValidMessage(msgs ...message.MutableMessage) {
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for _, msg := range msgs {
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if msg.MessageType().IsSystem() {
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panic("system message is not allowed to append from client")
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}
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if msg.VChannel() == "" {
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panic("we don't support sent all vchannel message at client now")
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}
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}
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}
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// assertValidBroadcastMessage asserts the message is not system message.
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func assertValidBroadcastMessage(msg message.BroadcastMutableMessage) {
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if msg.MessageType().IsSystem() {
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panic("system message is not allowed to broadcast append from client")
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}
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}
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// We only support delete and insert message for txn now.
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func assertIsDmlMessage(msgs ...message.MutableMessage) {
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for _, msg := range msgs {
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if msg.MessageType() != message.MessageTypeInsert && msg.MessageType() != message.MessageTypeDelete {
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panic("only insert and delete message is allowed in txn")
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}
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}
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}
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