// message.cpp

/*    Copyright 2009 10gen Inc.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

#include "mongo/platform/basic.h"

#include "mongo/util/net/message.h"

#include <fcntl.h>
#include <errno.h>
#include <time.h>

#include "mongo/util/net/message_port.h"

namespace mongo {

void Message::send(MessagingPort& p, const char* context) {
    if (empty()) {
        return;
    }
    if (_buf != 0) {
        p.send(_buf, MsgData::ConstView(_buf).getLen(), context);
    } else {
        p.send(_data, context);
    }
}

AtomicWord<MSGID> NextMsgId;

/*struct MsgStart {
    MsgStart() {
        NextMsgId = (((unsigned) time(0)) << 16) ^ curTimeMillis();
        verify(MsgDataHeaderSize == 16);
    }
} msgstart;*/

MSGID nextMessageId() {
    return NextMsgId.fetchAndAdd(1);
}

bool doesOpGetAResponse(int op) {
    return op == dbQuery || op == dbGetMore;
}


}  // namespace mongo
