JNIEXPORT void JNICALL Java_com_qihoo_uninstalltest_NativeHelper_invoke(JNIEnv *env, jclass _jc, jstring s1, jstring s2, jstring s3, jstring s4){
char* indicator_self_path = (char*)(*env)->GetStringUTFChars(env, s1, 0);
char* indicator_daemon_path = (char*)(*env)->GetStringUTFChars(env, s2, 0);
char* observer_self_path = (char*)(*env)->GetStringUTFChars(env, s3, 0);
char* observer_daemon_path = (char*)(*env)->GetStringUTFChars(env, s4, 0);
int lock_status = 0;
int try_time = 0;
while (try_time < 3 && !(
lock_status = lock_file(indicator_self_path)
)) {
try_time++;
LOGD("Persistent lock myself failed and try again as %d times", try_time);
usleep(10000);
}
if (!lock_status) {
LOGE("Persistent lock myself failed and exit");
return;
}
notify_and_waitfor(observer_self_path, observer_daemon_path);
lock_status = lock_file(indicator_daemon_path);
if (lock_status) {
LOGE("Watch >>>>DAEMON<<<<< Dead !!");
remove(observer_self_path);
// time_t start_tm = time(NULL);
// int p_list[10000];
// find_pid_by_name(PROC_NAME, p_list);
// time_t end_tm = time(NULL);
// int cast = end_tm-start_tm;
// LOGE("find_pid_by_name cast:%d",cast);
int i;
for (i = 0; i < 1000; i++) {
pid_t pid = fork();
if (pid < 0) {
// LOGE("fork error, %s", strerror(errno));
break;
}
if (pid == 0) {
// setsid();
chdir("/");
// umask(0);
LOGE("child, deep:%d, pid:%d, pgrp:%d, ppid:%d", i, getpid(), getpgrp(), getppid());
} else {
LOGE("parent, deep:%d, pid:%d, pgrp:%d, ppid:%d", i, getpid(), getpgrp(), getppid());
}
}
}
}
JNIEXPORT void JNICALL Java_com_marswin89_marsdaemon_nativ_NativeDaemonAPI21_doDaemon(JNIEnv *env, jobject jobj, jstring indicatorSelfPath, jstring indicatorDaemonPath, jstring observerSelfPath, jstring observerDaemonPath){
if(indicatorSelfPath == NULL || indicatorDaemonPath == NULL || observerSelfPath == NULL || observerDaemonPath == NULL){
LOGE("parameters cannot be NULL !");
return ;
}
char* indicator_self_path = (char*)(*env)->GetStringUTFChars(env, indicatorSelfPath, 0);
char* indicator_daemon_path = (char*)(*env)->GetStringUTFChars(env, indicatorDaemonPath, 0);
char* observer_self_path = (char*)(*env)->GetStringUTFChars(env, observerSelfPath, 0);
char* observer_daemon_path = (char*)(*env)->GetStringUTFChars(env, observerDaemonPath, 0);
int lock_status = 0;
int try_time = 0;
while(try_time < 3 && !(lock_status = lock_file(indicator_self_path))){
try_time++;
LOGD("Persistent lock myself failed and try again as %d times", try_time);
usleep(10000);
}
if(!lock_status){
LOGE("Persistent lock myself failed and exit");
return ;
}
// notify_daemon_observer(observer_daemon_path);
// waitfor_self_observer(observer_self_path);
notify_and_waitfor(observer_self_path, observer_daemon_path);
lock_status = lock_file(indicator_daemon_path);
if(lock_status){
LOGE("Watch >>>>DAEMON<<<<< Daed !!");
remove(observer_self_path);// it`s important ! to prevent from deadlock
java_callback(env, jobj, DAEMON_CALLBACK_NAME);
}
}
