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Moved most server state to a structure.

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default 2024-01-03 11:01:25 +01:00
parent 607335aa74
commit e003f87c2d
3 changed files with 69 additions and 56 deletions
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40
data.c
View file

@ -150,12 +150,12 @@ void user_free(snac *snac)
}
int user_open(snac *snac, const char *uid)
int user_open(snac *user, const char *uid)
/* opens a user */
{
int ret = 0;
memset(snac, '\0', sizeof(struct _snac));
*user = (snac){0};
if (validate_uid(uid)) {
xs *cfg_file = NULL;
@ -174,52 +174,52 @@ int user_open(snac *snac, const char *uid)
xs *v2 = xs_tolower_i(xs_dup(v));
if (strcmp(lcuid, v2) == 0) {
snac->uid = xs_dup(v);
user->uid = xs_dup(v);
break;
}
}
}
else
snac->uid = xs_str_new(uid);
user->uid = xs_str_new(uid);
if (snac->uid == NULL)
if (user->uid == NULL)
return ret;
snac->basedir = xs_fmt("%s/user/%s", srv_basedir, snac->uid);
user->basedir = xs_fmt("%s/user/%s", srv_basedir, user->uid);
cfg_file = xs_fmt("%s/user.json", snac->basedir);
cfg_file = xs_fmt("%s/user.json", user->basedir);
if ((f = fopen(cfg_file, "r")) != NULL) {
/* read full config file */
snac->config = xs_json_load(f);
user->config = xs_json_load(f);
fclose(f);
if (snac->config != NULL) {
xs *key_file = xs_fmt("%s/key.json", snac->basedir);
if (user->config != NULL) {
xs *key_file = xs_fmt("%s/key.json", user->basedir);
if ((f = fopen(key_file, "r")) != NULL) {
snac->key = xs_json_load(f);
user->key = xs_json_load(f);
fclose(f);
if (snac->key != NULL) {
snac->actor = xs_fmt("%s/%s", srv_baseurl, snac->uid);
snac->md5 = xs_md5_hex(snac->actor, strlen(snac->actor));
if (user->key != NULL) {
user->actor = xs_fmt("%s/%s", srv_baseurl, user->uid);
user->md5 = xs_md5_hex(user->actor, strlen(user->actor));
/* everything is ok right now */
ret = 1;
/* does it have a configuration override? */
xs *cfg_file_o = xs_fmt("%s/user_o.json", snac->basedir);
xs *cfg_file_o = xs_fmt("%s/user_o.json", user->basedir);
if ((f = fopen(cfg_file_o, "r")) != NULL) {
snac->config_o = xs_json_load(f);
user->config_o = xs_json_load(f);
fclose(f);
if (snac->config_o == NULL)
if (user->config_o == NULL)
srv_log(xs_fmt("error parsing '%s'", cfg_file_o));
}
if (snac->config_o == NULL)
snac->config_o = xs_dict_new();
if (user->config_o == NULL)
user->config_o = xs_dict_new();
}
else
srv_log(xs_fmt("error parsing '%s'", key_file));
@ -237,7 +237,7 @@ int user_open(snac *snac, const char *uid)
srv_debug(1, xs_fmt("invalid user '%s'", uid));
if (!ret)
user_free(snac);
user_free(user);
return ret;
}

75
httpd.c
View file

@ -26,11 +26,10 @@
#include <poll.h>
#endif
int use_fcgi = 0;
/** server stat **/
int srv_running = 0;
time_t srv_start_time = 0;
srv_stat s_stat = {0};
srv_stat *p_stat = NULL;
/** job control **/
@ -229,13 +228,9 @@ int server_get_handler(xs_dict *req, const char *q_path,
*ctype = "text/plain";
*body = xs_str_new("UP\n");
xs *uptime = xs_str_time_diff(time(NULL) - srv_start_time);
xs *uptime = xs_str_time_diff(time(NULL) - p_stat->srv_start_time);
srv_log(xs_fmt("status: uptime: %s", uptime));
pthread_mutex_lock(&job_mutex);
int l = xs_list_len(job_fifo);
pthread_mutex_unlock(&job_mutex);
srv_log(xs_fmt("status: job_fifo len: %d", l));
srv_log(xs_fmt("status: job_fifo len: %d", p_stat->job_fifo_size));
}
if (status != 0)
@ -262,7 +257,7 @@ void httpd_connection(FILE *f)
char *p;
int fcgi_id;
if (use_fcgi)
if (p_stat->use_fcgi)
req = xs_fcgi_request(f, &payload, &p_size, &fcgi_id);
else
req = xs_httpd_request(f, &payload, &p_size);
@ -400,7 +395,7 @@ void httpd_connection(FILE *f)
headers = xs_dict_append(headers, "access-control-allow-origin", "*");
headers = xs_dict_append(headers, "access-control-allow-headers", "*");
if (use_fcgi)
if (p_stat->use_fcgi)
xs_fcgi_response(f, status, headers, body, b_size, fcgi_id);
else
xs_httpd_response(f, status, headers, body, b_size);
@ -454,6 +449,8 @@ void job_post(const xs_val *job, int urgent)
job_fifo = xs_list_insert(job_fifo, 0, job);
else
job_fifo = xs_list_append(job_fifo, job);
p_stat->job_fifo_size++;
}
/* unlock the mutex */
@ -475,9 +472,12 @@ void job_wait(xs_val **job)
pthread_mutex_lock(&job_mutex);
/* dequeue */
if (job_fifo != NULL)
if (job_fifo != NULL) {
job_fifo = xs_list_shift(job_fifo, job);
p_stat->job_fifo_size--;
}
/* unlock the mutex */
pthread_mutex_unlock(&job_mutex);
}
@ -541,7 +541,7 @@ static void *background_thread(void *arg)
srv_log(xs_fmt("background thread started"));
while (srv_running) {
while (p_stat->srv_running) {
time_t t;
int cnt = 0;
@ -605,14 +605,18 @@ void httpd(void)
const char *port;
int rs;
pthread_t threads[MAX_THREADS] = {0};
int n_threads = 0;
int n;
char sem_name[24];
xs *sem_name = NULL;
sem_t anon_job_sem;
srv_start_time = time(NULL);
/* setup the server stat structure */
{
p_stat = &s_stat;
}
use_fcgi = xs_type(xs_dict_get(srv_config, "fastcgi")) == XSTYPE_TRUE;
p_stat->srv_start_time = time(NULL);
p_stat->use_fcgi = xs_type(xs_dict_get(srv_config, "fastcgi")) == XSTYPE_TRUE;
address = xs_dict_get(srv_config, "address");
port = xs_number_str(xs_dict_get(srv_config, "port"));
@ -622,13 +626,13 @@ void httpd(void)
return;
}
srv_running = 1;
p_stat->srv_running = 1;
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, term_handler);
signal(SIGINT, term_handler);
srv_log(xs_fmt("httpd%s start %s:%s %s", use_fcgi ? " (FastCGI)" : "",
srv_log(xs_fmt("httpd%s start %s:%s %s", p_stat->use_fcgi ? " (FastCGI)" : "",
address, port, USER_AGENT));
/* show the number of usable file descriptors */
@ -639,7 +643,7 @@ void httpd(void)
/* initialize the job control engine */
pthread_mutex_init(&job_mutex, NULL);
snprintf(sem_name, sizeof(sem_name), "/job_%d", getpid());
sem_name = xs_fmt("/job_%d", getpid());
job_sem = sem_open(sem_name, O_CREAT, 0644, 0);
if (job_sem == NULL) {
@ -659,29 +663,29 @@ void httpd(void)
pthread_mutex_init(&sleep_mutex, NULL);
pthread_cond_init(&sleep_cond, NULL);
n_threads = xs_number_get(xs_dict_get(srv_config, "num_threads"));
p_stat->n_threads = xs_number_get(xs_dict_get(srv_config, "num_threads"));
#ifdef _SC_NPROCESSORS_ONLN
if (n_threads == 0) {
if (p_stat->n_threads == 0) {
/* get number of CPUs on the machine */
n_threads = sysconf(_SC_NPROCESSORS_ONLN);
p_stat->n_threads = sysconf(_SC_NPROCESSORS_ONLN);
}
#endif
if (n_threads < 4)
n_threads = 4;
if (p_stat->n_threads < 4)
p_stat->n_threads = 4;
if (n_threads > MAX_THREADS)
n_threads = MAX_THREADS;
if (p_stat->n_threads > MAX_THREADS)
p_stat->n_threads = MAX_THREADS;
srv_debug(0, xs_fmt("using %d threads", n_threads));
srv_debug(0, xs_fmt("using %d threads", p_stat->n_threads));
/* thread #0 is the background thread */
pthread_create(&threads[0], NULL, background_thread, NULL);
/* the rest of threads are for job processing */
char *ptr = (char *) 0x1;
for (n = 1; n < n_threads; n++)
for (n = 1; n < p_stat->n_threads; n++)
pthread_create(&threads[n], NULL, job_thread, ptr++);
if (setjmp(on_break) == 0) {
@ -697,14 +701,14 @@ void httpd(void)
}
}
srv_running = 0;
p_stat->srv_running = 0;
/* send as many empty jobs as working threads */
for (n = 1; n < n_threads; n++)
for (n = 1; n < p_stat->n_threads; n++)
job_post(NULL, 0);
/* wait for all the threads to exit */
for (n = 0; n < n_threads; n++)
for (n = 0; n < p_stat->n_threads; n++)
pthread_join(threads[n], NULL);
pthread_mutex_lock(&job_mutex);
@ -714,8 +718,9 @@ void httpd(void)
sem_close(job_sem);
sem_unlink(sem_name);
xs *uptime = xs_str_time_diff(time(NULL) - srv_start_time);
xs *uptime = xs_str_time_diff(time(NULL) - p_stat->srv_start_time);
srv_log(xs_fmt("httpd%s stop %s:%s (run time: %s)", use_fcgi ? " (FastCGI)" : "",
srv_log(xs_fmt("httpd%s stop %s:%s (run time: %s)",
p_stat->use_fcgi ? " (FastCGI)" : "",
address, port, uptime));
}

10
snac.h
View file

@ -31,7 +31,7 @@ void srv_log(xs_str *str);
#define srv_debug(level, str) do { if (dbglevel >= (level)) \
{ srv_log((str)); } } while (0)
typedef struct _snac {
typedef struct {
xs_str *uid; /* uid */
xs_str *basedir; /* user base directory */
xs_dict *config; /* user configuration */
@ -41,6 +41,14 @@ typedef struct _snac {
xs_str *md5; /* actor url md5 */
} snac;
typedef struct {
int srv_running; /* server running on/off */
int use_fcgi; /* FastCGI use on/off */
time_t srv_start_time; /* start time */
int job_fifo_size; /* job fifo size */
int n_threads; /* number of configured threads */
} srv_stat;
void snac_log(snac *user, xs_str *str);
#define snac_debug(user, level, str) do { if (dbglevel >= (level)) \
{ snac_log((user), (str)); } } while (0)