static void setupOutput()
{
if (g_outputFileName == NULL) {
g_outFD = STDOUT_FILENO;
} else {
if (set_sched_policy(0, SP_BACKGROUND) < 0) {
fprintf(stderr, "failed to set background scheduling policy\n");
}
struct sched_param param;
memset(¶m, 0, sizeof(param));
if (sched_setscheduler((pid_t) 0, SCHED_BATCH, ¶m) < 0) {
fprintf(stderr, "failed to set to batch scheduler\n");
}
if (setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_BACKGROUND) < 0) {
fprintf(stderr, "failed set to priority\n");
}
g_outFD = openLogFile (g_outputFileName);
if (g_outFD < 0) {
logcat_panic(false, "couldn't open output file");
}
struct stat statbuf;
if (fstat(g_outFD, &statbuf) == -1) {
close(g_outFD);
logcat_panic(false, "couldn't get output file stat\n");
}
if ((size_t) statbuf.st_size > SIZE_MAX || statbuf.st_size < 0) {
close(g_outFD);
logcat_panic(false, "invalid output file stat\n");
}
g_outByteCount = statbuf.st_size;
}
}
static void processBuffer(log_device_t* dev, struct log_msg *buf)
{
int bytesWritten = 0;
int err;
AndroidLogEntry entry;
char binaryMsgBuf[1024];
if (dev->binary) {
static bool hasOpenedEventTagMap = false;
static EventTagMap *eventTagMap = NULL;
if (!eventTagMap && !hasOpenedEventTagMap) {
eventTagMap = android_openEventTagMap(EVENT_TAG_MAP_FILE);
hasOpenedEventTagMap = true;
}
err = android_log_processBinaryLogBuffer(&buf->entry_v1, &entry,
eventTagMap,
binaryMsgBuf,
sizeof(binaryMsgBuf));
//printf(">>> pri=%d len=%d msg='%s'\n",
// entry.priority, entry.messageLen, entry.message);
} else {
err = android_log_processLogBuffer(&buf->entry_v1, &entry);
}
if (err < 0) {
goto error;
}
if (android_log_shouldPrintLine(g_logformat, entry.tag, entry.priority)) {
bool match = regexOk(entry);
g_printCount += match;
if (match || g_printItAnyways) {
bytesWritten = android_log_printLogLine(g_logformat, g_outFD, &entry);
if (bytesWritten < 0) {
logcat_panic(false, "output error");
}
}
}
g_outByteCount += bytesWritten;
if (g_logRotateSizeKBytes > 0
&& (g_outByteCount / 1024) >= g_logRotateSizeKBytes
) {
rotateLogs();
}
error:
//fprintf (stderr, "Error processing record\n");
return;
}
static void maybePrintStart(log_device_t* dev, bool printDividers) {
if (!dev->printed || printDividers) {
if (g_devCount > 1 && !g_printBinary) {
char buf[1024];
snprintf(buf, sizeof(buf), "--------- %s %s\n",
dev->printed ? "switch to" : "beginning of",
dev->device);
if (write(g_outFD, buf, strlen(buf)) < 0) {
logcat_panic(false, "output error");
}
}
dev->printed = true;
}
}
