public void unsubscribe() throws CanalClientException {
waitClientRunning();
try {
writeWithHeader(
channel,
Packet.newBuilder()
.setType(PacketType.UNSUBSCRIPTION)
.setBody(
Unsub.newBuilder()
.setDestination(clientIdentity.getDestination())
.setClientId(String.valueOf(clientIdentity.getClientId()))
.build()
.toByteString())
.build()
.toByteArray());
//
Packet p = Packet.parseFrom(readNextPacket(channel));
Ack ack = Ack.parseFrom(p.getBody());
if (ack.getErrorCode() > 0) {
throw new CanalClientException(
"failed to unSubscribe with reason: " + ack.getErrorMessage());
}
} catch (IOException e) {
throw new CanalClientException(e);
}
}
