platform_system_core/logd/LogBufferElement.cpp

69 lines
2.0 KiB
C++

/*
* Copyright (C) 2012-2014 The Android Open Source Project
*
* 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 <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <log/logger.h>
#include "LogBufferElement.h"
#include "LogReader.h"
const log_time LogBufferElement::FLUSH_ERROR((uint32_t)0, (uint32_t)0);
LogBufferElement::LogBufferElement(log_id_t log_id, log_time realtime,
uid_t uid, pid_t pid, pid_t tid,
const char *msg, unsigned short len)
: mLogId(log_id)
, mUid(uid)
, mPid(pid)
, mTid(tid)
, mMsgLen(len)
, mMonotonicTime(CLOCK_MONOTONIC)
, mRealTime(realtime) {
mMsg = new char[len];
memcpy(mMsg, msg, len);
}
LogBufferElement::~LogBufferElement() {
delete [] mMsg;
}
log_time LogBufferElement::flushTo(SocketClient *reader) {
struct logger_entry_v3 entry;
memset(&entry, 0, sizeof(struct logger_entry_v3));
entry.hdr_size = sizeof(struct logger_entry_v3);
entry.len = mMsgLen;
entry.lid = mLogId;
entry.pid = mPid;
entry.tid = mTid;
entry.sec = mRealTime.tv_sec;
entry.nsec = mRealTime.tv_nsec;
struct iovec iovec[2];
iovec[0].iov_base = &entry;
iovec[0].iov_len = sizeof(struct logger_entry_v3);
iovec[1].iov_base = mMsg;
iovec[1].iov_len = mMsgLen;
if (reader->sendDatav(iovec, 2)) {
return FLUSH_ERROR;
}
return mMonotonicTime;
}