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Add excessive logging for debug mode

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topjohnwu
2017-06-08 03:20:49 +08:00
parent f32ce7392e
commit 6c0ba66f17
9 changed files with 65 additions and 47 deletions
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40
jni/daemon/log_monitor.c
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@ -15,41 +15,43 @@
#include "utils.h"
#include "daemon.h"
#ifdef DEBUG
int debug_log_pid, debug_log_fd;
#endif
static void *logger_thread(void *args) {
// Setup error handler
err_handler = exit_thread;
char *buffer = xmalloc(PATH_MAX);
rename(LOGFILE, LASTLOG);
FILE *logfile = xfdopen(xopen(LOGFILE, O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, 0644), "w");
// Disable buffering
setbuf(logfile, NULL);
int fd, log_pid;
int log_fd, log_pid;
log_fd = xopen(LOGFILE, O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, 0644);
while (1) {
// Start logcat
char *const command[] = { "logcat", "-s", "Magisk", "-v", "time", NULL };
log_pid = run_command(&fd, "/system/bin/logcat", command);
while (fdgets(buffer, PATH_MAX, fd)) {
fprintf(logfile, "%s", buffer);
}
// For some reason it went here, clear buffer and restart
close(fd);
kill(log_pid, SIGTERM);
char *const command[] = { "logcat", "-s", "Magisk", "-v", "thread", NULL };
log_pid = run_command(0, &log_fd, "/system/bin/logcat", command);
waitpid(log_pid, NULL, 0);
// For some reason it went here, clear buffer and restart
system("logcat -c");
}
// Should never be here, but well...
fclose(logfile);
free(buffer);
close(log_fd);
return NULL;
}
/* Start a new thread to monitor logcat and dump to logfile */
void monitor_logs() {
pthread_t log_monitor_thread;
xpthread_create(&log_monitor_thread, NULL, logger_thread, NULL);
pthread_detach(log_monitor_thread);
pthread_t thread;
xpthread_create(&thread, NULL, logger_thread, NULL);
pthread_detach(thread);
#ifdef DEBUG
// Start debug logs in new process
debug_log_fd = xopen(DEBUG_LOG, O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, 0644);
char *const command[] = { "logcat", "-v", "brief", NULL };
debug_log_pid = run_command(0, &debug_log_fd, "/system/bin/logcat", command);
#endif
}