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#include "uwsgi.h"
extern struct uwsgi_server uwsgi;
struct uwsgi_cron *uwsgi_cron_add(char *crontab) {
int i;
struct uwsgi_cron *old_uc, *uc = uwsgi.crons;
if (!uc) {
uc = uwsgi_malloc(sizeof(struct uwsgi_cron));
uwsgi.crons = uc;
}
else {
old_uc = uc;
while (uc->next) {
uc = uc->next;
old_uc = uc;
}
old_uc->next = uwsgi_malloc(sizeof(struct uwsgi_cron));
uc = old_uc->next;
}
memset(uc, 0, sizeof(struct uwsgi_cron));
if (sscanf(crontab, "%d %d %d %d %d %n", &uc->minute, &uc->hour, &uc->day, &uc->month, &uc->week, &i) != 5) {
uwsgi_log("invalid cron syntax\n");
exit(1);
}
uc->command = crontab + i;
uc->pid = -1;
return uc;
}
void uwsgi_opt_add_cron(char *opt, char *value, void *foobar) {
uwsgi_cron_add(value);
}
void uwsgi_opt_add_unique_cron(char *opt, char *value, void *foobar) {
struct uwsgi_cron *uc = uwsgi_cron_add(value);
uc->unique = 1;
}
#ifdef UWSGI_SSL
void uwsgi_opt_add_legion_cron(char *opt, char *value, void *foobar) {
char *space = strchr(value, ' ');
if (!space) {
uwsgi_log("invalid %s syntax, must be prefixed with a legion name\n", opt);
exit(1);
}
char *legion = uwsgi_concat2n(value, space-value, "", 0);
struct uwsgi_cron *uc = uwsgi_cron_add(space+1);
uc->legion = legion;
}
void uwsgi_opt_add_unique_legion_cron(char *opt, char *value, void *foobar) {
char *space = strchr(value, ' ');
if (!space) {
uwsgi_log("invalid %s syntax, must be prefixed with a legion name\n", opt);
exit(1);
}
char *legion = uwsgi_concat2n(value, space-value, "", 0);
struct uwsgi_cron *uc = uwsgi_cron_add(space+1);
uc->legion = legion;
uc->unique = 1;
}
#endif
void uwsgi_opt_add_cron2(char *opt, char *value, void *foobar) {
char *c_minute = NULL;
char *c_hour = NULL;
char *c_day = NULL;
char *c_month = NULL;
char *c_week = NULL;
char *c_unique = NULL;
char *c_harakiri = NULL;
char *c_legion = NULL;
char *c_command = value;
char *space = strchr(value, ' ');
if (space) {
if (uwsgi_str_contains(value, space - value, '=')) {
// --cron2 key=val command
*space = 0;
c_command = space + 1;
}
// no point in parsing key=val list if there is none
if (uwsgi_kvlist_parse(value, strlen(value), ',', '=',
"minute", &c_minute,
"hour", &c_hour,
"day", &c_day,
"month", &c_month,
"week", &c_week,
"unique", &c_unique,
"harakiri", &c_harakiri,
"legion", &c_legion,
NULL)) {
uwsgi_log("unable to parse cron definition: %s\n", value);
exit(1);
}
}
else {
if (uwsgi_str_contains(value, strlen(value), '=')) {
// --cron2 key=val
uwsgi_log("unable to parse cron definition: %s\n", value);
exit(1);
}
}
struct uwsgi_cron *old_uc, *uc = uwsgi.crons;
if (!uc) {
uc = uwsgi_malloc(sizeof(struct uwsgi_cron));
uwsgi.crons = uc;
}
else {
old_uc = uc;
while (uc->next) {
uc = uc->next;
old_uc = uc;
}
old_uc->next = uwsgi_malloc(sizeof(struct uwsgi_cron));
uc = old_uc->next;
}
memset(uc, 0, sizeof(struct uwsgi_cron));
uc->command = c_command;
if (!uc->command) {
uwsgi_log("[uwsgi-cron] invalid command in cron definition: %s\n", value);
exit(1);
}
// defaults
uc->minute = -1;
uc->hour = -1;
uc->day = -1;
uc->month = -1;
uc->week = -1;
uc->unique = 0;
uc->mercy = 0;
uc->harakiri = 0;
uc->pid = -1;
#ifdef UWSGI_SSL
uc->legion = c_legion;
#endif
if (c_minute)
uc->minute = atoi(c_minute);
if (c_hour)
uc->hour = atoi(c_hour);
if (c_day)
uc->day = atoi(c_day);
if (c_month)
uc->month = atoi(c_month);
if (c_week)
uc->week = atoi(c_week);
if (c_unique)
uc->unique = atoi(c_unique);
if (c_harakiri) {
if (atoi(c_harakiri)) {
// harakiri > 0
uc->mercy = atoi(c_harakiri);
}
else {
// harakiri == 0
uc->mercy = -1;
}
}
else if (uwsgi.cron_harakiri) {
uc->harakiri = uwsgi.cron_harakiri;
}
}
int uwsgi_signal_add_cron(uint8_t sig, int minute, int hour, int day, int month, int week) {
if (!uwsgi.master_process)
return -1;
uwsgi_lock(uwsgi.cron_table_lock);
if (ushared->cron_cnt < MAX_CRONS) {
ushared->cron[ushared->cron_cnt].sig = sig;
ushared->cron[ushared->cron_cnt].minute = minute;
ushared->cron[ushared->cron_cnt].hour = hour;
ushared->cron[ushared->cron_cnt].day = day;
ushared->cron[ushared->cron_cnt].month = month;
ushared->cron[ushared->cron_cnt].week = week;
ushared->cron_cnt++;
}
else {
uwsgi_log("you can register max %d cron !!!\n", MAX_CRONS);
uwsgi_unlock(uwsgi.cron_table_lock);
return -1;
}
uwsgi_unlock(uwsgi.cron_table_lock);
return 0;
}
void uwsgi_manage_signal_cron(time_t now) {
struct tm *uwsgi_cron_delta;
int i;
uwsgi_cron_delta = localtime(&now);
if (uwsgi_cron_delta) {
// fix month
uwsgi_cron_delta->tm_mon++;
uwsgi_lock(uwsgi.cron_table_lock);
for (i = 0; i < ushared->cron_cnt; i++) {
struct uwsgi_cron *ucron = &ushared->cron[i];
int run_task = uwsgi_cron_task_needs_execution(uwsgi_cron_delta, ucron->minute, ucron->hour, ucron->day, ucron->month, ucron->week);
if (run_task == 1) {
// date match, signal it ?
if (now - ucron->last_job >= 60) {
uwsgi_log_verbose("[uwsgi-cron] routing signal %d\n", ucron->sig);
uwsgi_route_signal(ucron->sig);
ucron->last_job = now;
}
}
}
uwsgi_unlock(uwsgi.cron_table_lock);
}
else {
uwsgi_error("localtime()");
}
}
void uwsgi_manage_command_cron(time_t now) {
struct tm *uwsgi_cron_delta;
struct uwsgi_cron *current_cron = uwsgi.crons;
uwsgi_cron_delta = localtime(&now);
if (!uwsgi_cron_delta) {
uwsgi_error("uwsgi_manage_command_cron()/localtime()");
return;
}
// fix month
uwsgi_cron_delta->tm_mon++;
while (current_cron) {
#ifdef UWSGI_SSL
// check for legion cron
if (current_cron->legion) {
if (!uwsgi_legion_i_am_the_lord(current_cron->legion))
goto next;
}
#endif
// skip unique crons that are still running
if (current_cron->unique && current_cron->pid >= 0)
goto next;
int run_task = uwsgi_cron_task_needs_execution(uwsgi_cron_delta, current_cron->minute, current_cron->hour, current_cron->day, current_cron->month, current_cron->week);
if (run_task == 1) {
// date match, run command ?
if (now - current_cron->last_job >= 60) {
//call command
if (current_cron->command) {
if (current_cron->func) {
current_cron->func(current_cron, now);
}
else {
pid_t pid = uwsgi_run_command(current_cron->command, NULL, -1);
if (pid >= 0) {
current_cron->pid = pid;
current_cron->started_at = now;
uwsgi_log_verbose("[uwsgi-cron] running \"%s\" (pid %d)\n", current_cron->command, current_cron->pid);
if (current_cron->mercy) {
//uwsgi_cron->mercy can be negative to inform master that harakiri should be disabled for this cron
if (current_cron->mercy > 0)
current_cron->harakiri = now + current_cron->mercy;
}
else if (uwsgi.cron_harakiri)
current_cron->harakiri = now + uwsgi.cron_harakiri;
}
}
}
current_cron->last_job = now;
}
}
next:
current_cron = current_cron->next;
}
}
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