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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/rpc/message.h"
#include <fmt/format.h>
#include "mongo/platform/atomic_word.h"
#include "mongo/rpc/op_msg.h"
namespace mongo {
namespace {
AtomicWord<int32_t> NextMsgId;
} // namespace
int32_t nextMessageId() {
return NextMsgId.fetchAndAdd(1);
}
void Message::setData(int operation, const char* msgdata, size_t len) {
const size_t dataLen = sizeof(MsgData::Value) + len;
auto buf = SharedBuffer::allocate(dataLen);
MsgData::View d = buf.get();
d.setLen(dataLen);
d.setOperation(operation);
if (len)
memcpy(d.data(), msgdata, len);
setData(std::move(buf));
}
std::string Message::opMsgDebugString() const {
MsgData::ConstView headerView = header();
auto opMsgRequest = OpMsgRequest::parse(*this);
std::stringstream docSequences;
int idx = 0;
for (const auto& seq : opMsgRequest.sequences) {
docSequences << fmt::format("Sequence Idx: {} Sequence Name: {}", idx++, seq.name)
<< std::endl;
for (const auto& obj : seq.objs) {
docSequences << fmt::format("\t{}", obj.toString()) << std::endl;
}
}
return fmt::format(
"Length: {} RequestId: {} ResponseTo: {} OpCode: {} Flags: {} Body: {}\n"
"Sections: {}",
headerView.getLen(),
headerView.getId(),
headerView.getResponseToMsgId(),
headerView.getNetworkOp(),
OpMsg::flags(*this),
opMsgRequest.body.toString(),
docSequences.str());
}
} // namespace mongo
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