deploy/common/log.cc

/*
 * Copyright (C) 2016 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 "tools/base/deploy/common/log.h"

#include <stdlib.h>
#include <sys/time.h>
#include <unistd.h>
#include <cstdio>

#include "tools/base/deploy/common/env.h"

namespace deploy {

void Log::V(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('V', fmt, args);
  va_end(args);
}

void Log::D(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('D', fmt, args);
  va_end(args);
}

void Log::I(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('I', fmt, args);
  va_end(args);
}

void Log::W(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('W', fmt, args);
  va_end(args);
}

void Log::E(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('E', fmt, args);
  va_end(args);
}

void Log::T(const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  Handle('I', fmt, args);
  va_end(args);
}

void Log::Handle(const char level, const char* fmt, va_list args) {
  if (Env::IsValid() && !Env::logcat().empty()) {
    struct timeval tp;
    gettimeofday(&tp, NULL);
    long int ms = tp.tv_usec / 1000;

    struct tm* timeinfo;
    char time[1024];
    timeinfo = localtime(&tp.tv_sec);

    strftime(time, 1024, "%m-%d %T", timeinfo);

    static int pid = getpid();
    FILE* file = fopen(Env::logcat().c_str(), "ab+");
    fprintf(file, "%s.%03ld  %d %d  %c %s: ", time, ms, pid, pid, level, kTag);
    vfprintf(file, fmt, args);
    fprintf(file, "\n");
    fclose(file);
  }
}
}  // namespace deploy