1 /* 2 * Copyright (C) 2012-2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdio.h> 18 #include <string.h> 19 #include <time.h> 20 #include <unistd.h> 21 22 #include <log/logger.h> 23 24 #include "LogBufferElement.h" 25 #include "LogReader.h" 26 27 const log_time LogBufferElement::FLUSH_ERROR((uint32_t)0, (uint32_t)0); 28 29 LogBufferElement::LogBufferElement(log_id_t log_id, log_time realtime, 30 uid_t uid, pid_t pid, pid_t tid, 31 const char *msg, unsigned short len) 32 : mLogId(log_id) 33 , mUid(uid) 34 , mPid(pid) 35 , mTid(tid) 36 , mMsgLen(len) 37 , mMonotonicTime(CLOCK_MONOTONIC) 38 , mRealTime(realtime) { 39 mMsg = new char[len]; 40 memcpy(mMsg, msg, len); 41 } 42 43 LogBufferElement::~LogBufferElement() { 44 delete [] mMsg; 45 } 46 47 log_time LogBufferElement::flushTo(SocketClient *reader) { 48 struct logger_entry_v3 entry; 49 memset(&entry, 0, sizeof(struct logger_entry_v3)); 50 entry.hdr_size = sizeof(struct logger_entry_v3); 51 entry.len = mMsgLen; 52 entry.lid = mLogId; 53 entry.pid = mPid; 54 entry.tid = mTid; 55 entry.sec = mRealTime.tv_sec; 56 entry.nsec = mRealTime.tv_nsec; 57 58 struct iovec iovec[2]; 59 iovec[0].iov_base = &entry; 60 iovec[0].iov_len = sizeof(struct logger_entry_v3); 61 iovec[1].iov_base = mMsg; 62 iovec[1].iov_len = mMsgLen; 63 if (reader->sendDatav(iovec, 2)) { 64 return FLUSH_ERROR; 65 } 66 67 return mMonotonicTime; 68 } 69
