private void sendMessage(final CommandMessage message, final InternalConnection connection) {
ByteBufferBsonOutput bsonOutput = new ByteBufferBsonOutput(connection);
try {
int documentPosition = message.encodeWithMetadata(bsonOutput).getFirstDocumentPosition();
sendStartedEvent(connection, bsonOutput, message, documentPosition);
connection.sendMessage(bsonOutput.getByteBuffers(), message.getId());
} finally {
bsonOutput.close();
}
}
@Override
public void executeAsync(
final InternalConnection connection, final SingleResultCallback<T> callback) {
long startTimeNanos = System.nanoTime();
CommandMessage message =
new CommandMessage(
namespace.getFullName(),
command,
slaveOk,
fieldNameValidator,
ProtocolHelper.getMessageSettings(connection.getDescription()));
boolean sentStartedEvent = false;
try {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(
format(
"Asynchronously sending command {%s : %s} to database %s on connection [%s] to server %s",
getCommandName(),
command.values().iterator().next(),
namespace.getDatabaseName(),
connection.getDescription().getConnectionId(),
connection.getDescription().getServerAddress()));
}
ByteBufferBsonOutput bsonOutput = new ByteBufferBsonOutput(connection);
int documentPosition =
ProtocolHelper.encodeMessageWithMetadata(message, bsonOutput).getFirstDocumentPosition();
sendStartedEvent(connection, bsonOutput, message, documentPosition);
sentStartedEvent = true;
SingleResultCallback<ResponseBuffers> receiveCallback =
new CommandResultCallback(callback, message, connection.getDescription(), startTimeNanos);
connection.sendMessageAsync(
bsonOutput.getByteBuffers(),
message.getId(),
new SendMessageCallback<T>(
connection,
bsonOutput,
message,
getCommandName(),
startTimeNanos,
commandListener,
callback,
receiveCallback));
} catch (Throwable t) {
if (sentStartedEvent) {
sendFailedEvent(connection.getDescription(), startTimeNanos, message, t);
}
callback.onResult(null, t);
}
}