int clear_pid_file(Server *srv)
{
bstring pid_file = bformat("%s%s", bdata(srv->chroot), bdata(srv->pid_file));
int rc = Unixy_remove_dead_pidfile(pid_file);
check(rc == 0, "Failed to remove the dead PID file: %s", bdata(pid_file));
bdestroy(pid_file);
return 0;
error:
return -1;
}
void Action_task(void *v)
{
Action *action = (Action *)v;
int rc = 0;
pid_t child = 0;
Profile *prof = Profile_load(action->profile_dir);
taskname(bdata(action->name));
taskstate("depends");
rc = Rampart_wait(action->before);
check(rc != -1, "A dependency failed to start, we can't start.");
Rampart_running(&action->after);
taskstate("ready");
debug("STARTED %s", bdata(action->name));
while(RUNNING) {
taskstate("starting");
if(Unixy_still_running(prof->pid_file, &child)) {
debug("Looks like %s is already running, we'll just leave it alone.", bdata(action->name));
} else {
Unixy_remove_dead_pidfile(prof->pid_file);
Action_exec(action, prof);
}
if(access(bdatae(prof->pid_file, ""), R_OK) != 0) {
log_warn("%s didn't make pidfile %s. Waiting then trying again.",
bdata(action->name), bdata(prof->pid_file));
Action_sleep(2);
}
taskstate("waiting");
while(Unixy_still_running(prof->pid_file, &child) && RUNNING) {
Action_sleep(1);
}
if(!prof->restart) {
break;
}
taskstate("restarting");
Action_sleep(1);
}
debug("ACTION %s exited.", bdata(action->name));
error:
Rampart_failed(&action->after);
return;
}
void taskmain(int argc, char *argv[])
{
LOG_FILE = stderr;
glob_t profile_glob;
int rc = 0;
int i = 0;
Action *action = NULL;
tst_t *targets = NULL;
bstring pid_file = NULL;
check(argc == 3, "USAGE: procer <profile_dir> <procer_pid_file>");
pid_file = bfromcstr(argv[2]);
rc = Unixy_remove_dead_pidfile(pid_file);
check(rc == 0, "Failed to remove %s, procer is probably already running.", bdata(pid_file));
rc = Unixy_daemonize();
check(rc == 0, "Couldn't daemonize, that's not good.");
rc = chdir(argv[1]);
check(rc == 0, "Couldn't change to %s profile dir.", argv[1]);
rc = Unixy_pid_file(pid_file);
check(rc == 0, "Failed to make the PID file: %s", bdata(pid_file));
FILE *log = fopen("error.log", "a+");
check(log, "Couldn't open error.log");
setbuf(log, NULL);
LOG_FILE = log;
bstring dir_glob = bformat("%s/[A-Za-z0-9]*", argv[1]);
check(dir_glob, "Couldn't make the directory glob.");
rc = glob(bdata(dir_glob), GLOB_ERR | GLOB_ONLYDIR, NULL, &profile_glob);
check(rc == 0, "Failed to find directories in the profiles.");
debug("Loading %zu actions.", profile_glob.gl_pathc);
for(i = 0; i < profile_glob.gl_pathc; i++) {
action = Action_create(profile_glob.gl_pathv[i]);
targets = tst_insert(targets, bdata(action->name), blength(action->name), action);
}
// now we setup the dependencies from the settings they've got
tst_traverse(targets, Action_dependency_assign, targets);
tst_traverse(targets, Action_start_all, NULL);
taskexit(0);
error:
taskexitall(1);
}
void taskmain(int argc, char *argv[])
{
dbg_set_log(stderr);
glob_t profile_glob;
int rc = 0;
int i = 0;
Action *action = NULL;
tst_t *targets = NULL;
bstring pid_file = NULL;
char *procer_error_log = NULL;
m2program = procer_program;
check(argc == 3, "USAGE: %s <profile_dir> <procer_pid_file>", m2program);
pid_file = bfromcstr(argv[2]);
srand(time(NULL)); // simple randomness
rc = Unixy_remove_dead_pidfile(pid_file);
check(rc == 0, "Failed to remove %s, %s is probably already running.", bdata(pid_file), m2program);
rc = Unixy_daemonize(1);
check(rc == 0, "Couldn't daemonize, that's not good.");
rc = chdir(argv[1]);
check(rc == 0, "Couldn't change to %s profile dir.", argv[1]);
rc = Unixy_pid_file(pid_file);
check(rc == 0, "Failed to make the PID file: %s", bdata(pid_file));
if( (procer_error_log = getenv("PROCER_ERROR_LOG")) == NULL)
procer_error_log = "error.log";
FILE *log = fopen(procer_error_log, "a+");
check(log, "Couldn't open error.log");
setbuf(log, NULL);
dbg_set_log(log);
bstring dir_glob = bformat("%s/[A-Za-z0-9]*", argv[1]);
check(dir_glob, "Couldn't make the directory glob.");
rc = glob(bdata(dir_glob), GLOB_ERR, NULL, &profile_glob);
check(rc == 0, "Failed to find directories in the profiles.");
struct stat sb;
debug("Loading %zu actions.", profile_glob.gl_pathc);
start_terminator();
while(RUNNING) {
for(i = 0; i < profile_glob.gl_pathc; i++) {
rc = lstat(profile_glob.gl_pathv[i], &sb);
check(rc == 0, "Failed to stat file or directory: %s", profile_glob.gl_pathv[i]);
if (sb.st_mode & S_IFDIR) {
action = Action_create(profile_glob.gl_pathv[i]);
targets = tst_insert(targets, bdata(action->name), blength(action->name), action);
}
}
// now we setup the dependencies from the settings they've got
tst_traverse(targets, Action_dependency_assign, targets);
tst_traverse(targets, Action_start_all, NULL);
while(RUNNING) {
Action_sleep(1);
}
}
log_warn("Exiting as requested from procer.");
taskexit(0);
error:
taskexitall(1);
}
