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00025 #include "asterisk.h"
00026
00027 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 241544 $")
00028
00029 #include <sys/stat.h>
00030 #include <errno.h>
00031 #include <time.h>
00032 #include <utime.h>
00033 #include <stdlib.h>
00034 #include <unistd.h>
00035 #include <dirent.h>
00036 #include <string.h>
00037 #include <string.h>
00038 #include <stdio.h>
00039 #include <unistd.h>
00040
00041 #include "asterisk/lock.h"
00042 #include "asterisk/file.h"
00043 #include "asterisk/logger.h"
00044 #include "asterisk/channel.h"
00045 #include "asterisk/callerid.h"
00046 #include "asterisk/pbx.h"
00047 #include "asterisk/module.h"
00048 #include "asterisk/options.h"
00049 #include "asterisk/utils.h"
00050 #include "asterisk/options.h"
00051
00052
00053
00054
00055
00056
00057 enum {
00058
00059
00060
00061
00062 SPOOL_FLAG_ALWAYS_DELETE = (1 << 0),
00063
00064 SPOOL_FLAG_ARCHIVE = (1 << 1)
00065 };
00066
00067 static char qdir[255];
00068 static char qdonedir[255];
00069
00070 struct outgoing {
00071 char fn[256];
00072
00073 int retries;
00074
00075 int maxretries;
00076
00077 int retrytime;
00078
00079 int waittime;
00080
00081 long callingpid;
00082
00083 int format;
00084
00085
00086 char tech[256];
00087 char dest[256];
00088
00089
00090 char app[256];
00091 char data[256];
00092
00093
00094 char exten[256];
00095 char context[256];
00096 int priority;
00097
00098
00099 char cid_num[256];
00100 char cid_name[256];
00101
00102
00103 char account[AST_MAX_ACCOUNT_CODE];
00104
00105
00106 struct ast_variable *vars;
00107
00108
00109 int maxlen;
00110
00111
00112 struct ast_flags options;
00113 };
00114
00115 static void init_outgoing(struct outgoing *o)
00116 {
00117 memset(o, 0, sizeof(struct outgoing));
00118 o->priority = 1;
00119 o->retrytime = 300;
00120 o->waittime = 45;
00121 o->format = AST_FORMAT_SLINEAR;
00122 ast_set_flag(&o->options, SPOOL_FLAG_ALWAYS_DELETE);
00123 }
00124
00125 static void free_outgoing(struct outgoing *o)
00126 {
00127 if (o->vars) {
00128 ast_variables_destroy(o->vars);
00129 }
00130 free(o);
00131 }
00132
00133 static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
00134 {
00135 char buf[256];
00136 char *c, *c2;
00137 int lineno = 0;
00138 struct ast_variable *var, *last = o->vars;
00139
00140 while (last && last->next) {
00141 last = last->next;
00142 }
00143
00144 while(fgets(buf, sizeof(buf), f)) {
00145 lineno++;
00146
00147 c = buf;
00148 while ((c = strchr(c, '#'))) {
00149 if ((c == buf) || (*(c-1) == ' ') || (*(c-1) == '\t'))
00150 *c = '\0';
00151 else
00152 c++;
00153 }
00154
00155 c = buf;
00156 while ((c = strchr(c, ';'))) {
00157 if ((c > buf) && (c[-1] == '\\')) {
00158 memmove(c - 1, c, strlen(c) + 1);
00159 c++;
00160 } else {
00161 *c = '\0';
00162 break;
00163 }
00164 }
00165
00166
00167 while(!ast_strlen_zero(buf) && buf[strlen(buf) - 1] < 33)
00168 buf[strlen(buf) - 1] = '\0';
00169 if (!ast_strlen_zero(buf)) {
00170 c = strchr(buf, ':');
00171 if (c) {
00172 *c = '\0';
00173 c++;
00174 while ((*c) && (*c < 33))
00175 c++;
00176 #if 0
00177 printf("'%s' is '%s' at line %d\n", buf, c, lineno);
00178 #endif
00179 if (!strcasecmp(buf, "channel")) {
00180 ast_copy_string(o->tech, c, sizeof(o->tech));
00181 if ((c2 = strchr(o->tech, '/'))) {
00182 *c2 = '\0';
00183 c2++;
00184 ast_copy_string(o->dest, c2, sizeof(o->dest));
00185 } else {
00186 ast_log(LOG_NOTICE, "Channel should be in form Tech/Dest at line %d of %s\n", lineno, fn);
00187 o->tech[0] = '\0';
00188 }
00189 } else if (!strcasecmp(buf, "callerid")) {
00190 ast_callerid_split(c, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num));
00191 } else if (!strcasecmp(buf, "application")) {
00192 ast_copy_string(o->app, c, sizeof(o->app));
00193 } else if (!strcasecmp(buf, "data")) {
00194 ast_copy_string(o->data, c, sizeof(o->data));
00195 } else if (!strcasecmp(buf, "maxretries")) {
00196 if (sscanf(c, "%30d", &o->maxretries) != 1) {
00197 ast_log(LOG_WARNING, "Invalid max retries at line %d of %s\n", lineno, fn);
00198 o->maxretries = 0;
00199 }
00200 } else if (!strcasecmp(buf, "codecs")) {
00201 ast_parse_allow_disallow(NULL, &o->format, c, 1);
00202 } else if (!strcasecmp(buf, "context")) {
00203 ast_copy_string(o->context, c, sizeof(o->context));
00204 } else if (!strcasecmp(buf, "extension")) {
00205 ast_copy_string(o->exten, c, sizeof(o->exten));
00206 } else if (!strcasecmp(buf, "priority")) {
00207 if ((sscanf(c, "%30d", &o->priority) != 1) || (o->priority < 1)) {
00208 ast_log(LOG_WARNING, "Invalid priority at line %d of %s\n", lineno, fn);
00209 o->priority = 1;
00210 }
00211 } else if (!strcasecmp(buf, "retrytime")) {
00212 if ((sscanf(c, "%30d", &o->retrytime) != 1) || (o->retrytime < 1)) {
00213 ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
00214 o->retrytime = 300;
00215 }
00216 } else if (!strcasecmp(buf, "waittime")) {
00217 if ((sscanf(c, "%30d", &o->waittime) != 1) || (o->waittime < 1)) {
00218 ast_log(LOG_WARNING, "Invalid waittime at line %d of %s\n", lineno, fn);
00219 o->waittime = 45;
00220 }
00221 } else if (!strcasecmp(buf, "retry")) {
00222 o->retries++;
00223 } else if (!strcasecmp(buf, "startretry")) {
00224 if (sscanf(c, "%30ld", &o->callingpid) != 1) {
00225 ast_log(LOG_WARNING, "Unable to retrieve calling PID!\n");
00226 o->callingpid = 0;
00227 }
00228 } else if (!strcasecmp(buf, "endretry") || !strcasecmp(buf, "abortretry")) {
00229 o->callingpid = 0;
00230 o->retries++;
00231 } else if (!strcasecmp(buf, "delayedretry")) {
00232 } else if (!strcasecmp(buf, "setvar") || !strcasecmp(buf, "set")) {
00233 c2 = c;
00234 strsep(&c2, "=");
00235 if (c2) {
00236 var = ast_variable_new(c, c2);
00237 if (var) {
00238
00239 if (last) {
00240 last->next = var;
00241 } else {
00242 o->vars = var;
00243 }
00244 last = var;
00245 }
00246 } else
00247 ast_log(LOG_WARNING, "Malformed \"%s\" argument. Should be \"%s: variable=value\"\n", buf, buf);
00248 } else if (!strcasecmp(buf, "account")) {
00249 ast_copy_string(o->account, c, sizeof(o->account));
00250 } else if (!strcasecmp(buf, "alwaysdelete")) {
00251 ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ALWAYS_DELETE);
00252 } else if (!strcasecmp(buf, "archive")) {
00253 ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ARCHIVE);
00254 } else {
00255 ast_log(LOG_WARNING, "Unknown keyword '%s' at line %d of %s\n", buf, lineno, fn);
00256 }
00257 } else
00258 ast_log(LOG_NOTICE, "Syntax error at line %d of %s\n", lineno, fn);
00259 }
00260 }
00261 ast_copy_string(o->fn, fn, sizeof(o->fn));
00262 if (ast_strlen_zero(o->tech) || ast_strlen_zero(o->dest) || (ast_strlen_zero(o->app) && ast_strlen_zero(o->exten))) {
00263 ast_log(LOG_WARNING, "At least one of app or extension must be specified, along with tech and dest in file %s\n", fn);
00264 return -1;
00265 }
00266 return 0;
00267 }
00268
00269 static void safe_append(struct outgoing *o, time_t now, char *s)
00270 {
00271 int fd;
00272 FILE *f;
00273 struct utimbuf tbuf;
00274 fd = open(o->fn, O_WRONLY|O_APPEND);
00275 if (fd > -1) {
00276 f = fdopen(fd, "a");
00277 if (f) {
00278 fprintf(f, "\n%s: %ld %d (%ld)\n", s, (long)ast_mainpid, o->retries, (long) now);
00279 fclose(f);
00280 } else
00281 close(fd);
00282
00283 tbuf.actime = now;
00284 tbuf.modtime = now + o->retrytime;
00285 if (utime(o->fn, &tbuf))
00286 ast_log(LOG_WARNING, "Unable to set utime on %s: %s\n", o->fn, strerror(errno));
00287 }
00288 }
00289
00290
00291
00292
00293
00294
00295
00296 static int remove_from_queue(struct outgoing *o, const char *status)
00297 {
00298 int fd;
00299 FILE *f;
00300 char newfn[256];
00301 const char *bname;
00302
00303 if (!ast_test_flag(&o->options, SPOOL_FLAG_ALWAYS_DELETE)) {
00304 struct stat current_file_status;
00305
00306 if (!stat(o->fn, ¤t_file_status))
00307 if (time(NULL) < current_file_status.st_mtime)
00308 return 0;
00309 }
00310
00311 if (!ast_test_flag(&o->options, SPOOL_FLAG_ARCHIVE)) {
00312 unlink(o->fn);
00313 return 0;
00314 }
00315 if (mkdir(qdonedir, 0700) && (errno != EEXIST)) {
00316 ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool archiving disabled\n", qdonedir);
00317 unlink(o->fn);
00318 return -1;
00319 }
00320 fd = open(o->fn, O_WRONLY|O_APPEND);
00321 if (fd > -1) {
00322 f = fdopen(fd, "a");
00323 if (f) {
00324 fprintf(f, "Status: %s\n", status);
00325 fclose(f);
00326 } else
00327 close(fd);
00328 }
00329
00330 bname = strrchr(o->fn,'/');
00331 if (bname == NULL)
00332 bname = o->fn;
00333 else
00334 bname++;
00335 snprintf(newfn, sizeof(newfn), "%s/%s", qdonedir, bname);
00336
00337 unlink(newfn);
00338 if (rename(o->fn, newfn) != 0) {
00339 unlink(o->fn);
00340 return -1;
00341 } else
00342 return 0;
00343 }
00344
00345 static void *attempt_thread(void *data)
00346 {
00347 struct outgoing *o = data;
00348 int res, reason;
00349 if (!ast_strlen_zero(o->app)) {
00350 if (option_verbose > 2)
00351 ast_verbose(VERBOSE_PREFIX_3 "Attempting call on %s/%s for application %s(%s) (Retry %d)\n", o->tech, o->dest, o->app, o->data, o->retries);
00352 res = ast_pbx_outgoing_app(o->tech, o->format, o->dest, o->waittime * 1000, o->app, o->data, &reason, 2 , o->cid_num, o->cid_name, o->vars, o->account, NULL);
00353 } else {
00354 if (option_verbose > 2)
00355 ast_verbose(VERBOSE_PREFIX_3 "Attempting call on %s/%s for %s@%s:%d (Retry %d)\n", o->tech, o->dest, o->exten, o->context,o->priority, o->retries);
00356 res = ast_pbx_outgoing_exten(o->tech, o->format, o->dest, o->waittime * 1000, o->context, o->exten, o->priority, &reason, 2 , o->cid_num, o->cid_name, o->vars, o->account, NULL);
00357 }
00358 o->vars = NULL;
00359 if (res) {
00360 ast_log(LOG_NOTICE, "Call failed to go through, reason (%d) %s\n", reason, ast_channel_reason2str(reason));
00361 if (o->retries >= o->maxretries + 1) {
00362
00363 ast_log(LOG_EVENT, "Queued call to %s/%s expired without completion after %d attempt%s\n", o->tech, o->dest, o->retries - 1, ((o->retries - 1) != 1) ? "s" : "");
00364 remove_from_queue(o, "Expired");
00365 } else {
00366
00367 safe_append(o, time(NULL), "EndRetry");
00368 }
00369 } else {
00370 ast_log(LOG_NOTICE, "Call completed to %s/%s\n", o->tech, o->dest);
00371 ast_log(LOG_EVENT, "Queued call to %s/%s completed\n", o->tech, o->dest);
00372 remove_from_queue(o, "Completed");
00373 }
00374 free_outgoing(o);
00375 return NULL;
00376 }
00377
00378 static void launch_service(struct outgoing *o)
00379 {
00380 pthread_t t;
00381 pthread_attr_t attr;
00382 int ret;
00383 pthread_attr_init(&attr);
00384 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
00385 if ((ret = ast_pthread_create(&t,&attr,attempt_thread, o)) != 0) {
00386 ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
00387 free_outgoing(o);
00388 }
00389 pthread_attr_destroy(&attr);
00390 }
00391
00392 static int scan_service(char *fn, time_t now, time_t atime)
00393 {
00394 struct outgoing *o;
00395 FILE *f;
00396 o = malloc(sizeof(struct outgoing));
00397 if (o) {
00398 init_outgoing(o);
00399 f = fopen(fn, "r+");
00400 if (f) {
00401 if (!apply_outgoing(o, fn, f)) {
00402 #if 0
00403 printf("Filename: %s, Retries: %d, max: %d\n", fn, o->retries, o->maxretries);
00404 #endif
00405 fclose(f);
00406 if (o->retries <= o->maxretries) {
00407 now += o->retrytime;
00408 if (o->callingpid && (o->callingpid == ast_mainpid)) {
00409 safe_append(o, time(NULL), "DelayedRetry");
00410 ast_log(LOG_DEBUG, "Delaying retry since we're currently running '%s'\n", o->fn);
00411 free_outgoing(o);
00412 } else {
00413
00414 o->retries++;
00415
00416
00417 if (o->callingpid)
00418 safe_append(o, time(NULL), "AbortRetry");
00419
00420 safe_append(o, now, "StartRetry");
00421 launch_service(o);
00422 }
00423 return now;
00424 } else {
00425 ast_log(LOG_EVENT, "Queued call to %s/%s expired without completion after %d attempt%s\n", o->tech, o->dest, o->retries - 1, ((o->retries - 1) != 1) ? "s" : "");
00426 remove_from_queue(o, "Expired");
00427 free_outgoing(o);
00428 return 0;
00429 }
00430 } else {
00431 ast_log(LOG_WARNING, "Invalid file contents in %s, deleting\n", fn);
00432 fclose(f);
00433 remove_from_queue(o, "Failed");
00434 free_outgoing(o);
00435 }
00436 } else {
00437 ast_log(LOG_WARNING, "Unable to open %s: %s, deleting\n", fn, strerror(errno));
00438 remove_from_queue(o, "Failed");
00439 free_outgoing(o);
00440 }
00441 } else
00442 ast_log(LOG_WARNING, "Out of memory :(\n");
00443 return -1;
00444 }
00445
00446 static void *scan_thread(void *unused)
00447 {
00448 struct stat st;
00449 DIR *dir;
00450 struct dirent *de;
00451 char fn[256];
00452 int res;
00453 time_t last = 0, next = 0, now;
00454 struct timespec ts = { .tv_sec = 1 };
00455
00456 while (!ast_fully_booted) {
00457 nanosleep(&ts, NULL);
00458 }
00459
00460 for(;;) {
00461
00462 nanosleep(&ts, NULL);
00463 time(&now);
00464 if (!stat(qdir, &st)) {
00465 if ((st.st_mtime != last) || (next && (now > next))) {
00466 #if 0
00467 printf("atime: %ld, mtime: %ld, ctime: %ld\n", st.st_atime, st.st_mtime, st.st_ctime);
00468 printf("Ooh, something changed / timeout\n");
00469 #endif
00470 next = 0;
00471 last = st.st_mtime;
00472 dir = opendir(qdir);
00473 if (dir) {
00474 while((de = readdir(dir))) {
00475 snprintf(fn, sizeof(fn), "%s/%s", qdir, de->d_name);
00476 if (!stat(fn, &st)) {
00477 if (S_ISREG(st.st_mode)) {
00478 if (st.st_mtime <= now) {
00479 res = scan_service(fn, now, st.st_atime);
00480 if (res > 0) {
00481
00482 if (!next || (res < next)) {
00483 next = res;
00484 }
00485 } else if (res) {
00486 ast_log(LOG_WARNING, "Failed to scan service '%s'\n", fn);
00487 } else if (!next) {
00488
00489 next = st.st_mtime;
00490 }
00491 } else {
00492
00493 if (!next || (st.st_mtime < next))
00494 next = st.st_mtime;
00495 }
00496 }
00497 } else
00498 ast_log(LOG_WARNING, "Unable to stat %s: %s\n", fn, strerror(errno));
00499 }
00500 closedir(dir);
00501 } else
00502 ast_log(LOG_WARNING, "Unable to open directory %s: %s\n", qdir, strerror(errno));
00503 }
00504 } else
00505 ast_log(LOG_WARNING, "Unable to stat %s\n", qdir);
00506 }
00507 return NULL;
00508 }
00509
00510 static int unload_module(void)
00511 {
00512 return -1;
00513 }
00514
00515 static int load_module(void)
00516 {
00517 pthread_t thread;
00518 pthread_attr_t attr;
00519 int ret;
00520 snprintf(qdir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing");
00521 if (mkdir(qdir, 0700) && (errno != EEXIST)) {
00522 ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool disabled\n", qdir);
00523 return 0;
00524 }
00525 snprintf(qdonedir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing_done");
00526 pthread_attr_init(&attr);
00527 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
00528 if ((ret = ast_pthread_create_background(&thread,&attr,scan_thread, NULL)) != 0) {
00529 ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
00530 return -1;
00531 }
00532 pthread_attr_destroy(&attr);
00533 return 0;
00534 }
00535
00536 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Outgoing Spool Support");