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00025 #include "asterisk.h"
00026
00027 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 211596 $")
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 free(o);
00128 }
00129
00130 static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
00131 {
00132 char buf[256];
00133 char *c, *c2;
00134 int lineno = 0;
00135 struct ast_variable *var, *last = o->vars;
00136
00137 while (last && last->next) {
00138 last = last->next;
00139 }
00140
00141 while(fgets(buf, sizeof(buf), f)) {
00142 lineno++;
00143
00144 c = buf;
00145 while ((c = strchr(c, '#'))) {
00146 if ((c == buf) || (*(c-1) == ' ') || (*(c-1) == '\t'))
00147 *c = '\0';
00148 else
00149 c++;
00150 }
00151
00152 c = buf;
00153 while ((c = strchr(c, ';'))) {
00154 if ((c > buf) && (c[-1] == '\\')) {
00155 memmove(c - 1, c, strlen(c) + 1);
00156 c++;
00157 } else {
00158 *c = '\0';
00159 break;
00160 }
00161 }
00162
00163
00164 while(!ast_strlen_zero(buf) && buf[strlen(buf) - 1] < 33)
00165 buf[strlen(buf) - 1] = '\0';
00166 if (!ast_strlen_zero(buf)) {
00167 c = strchr(buf, ':');
00168 if (c) {
00169 *c = '\0';
00170 c++;
00171 while ((*c) && (*c < 33))
00172 c++;
00173 #if 0
00174 printf("'%s' is '%s' at line %d\n", buf, c, lineno);
00175 #endif
00176 if (!strcasecmp(buf, "channel")) {
00177 ast_copy_string(o->tech, c, sizeof(o->tech));
00178 if ((c2 = strchr(o->tech, '/'))) {
00179 *c2 = '\0';
00180 c2++;
00181 ast_copy_string(o->dest, c2, sizeof(o->dest));
00182 } else {
00183 ast_log(LOG_NOTICE, "Channel should be in form Tech/Dest at line %d of %s\n", lineno, fn);
00184 o->tech[0] = '\0';
00185 }
00186 } else if (!strcasecmp(buf, "callerid")) {
00187 ast_callerid_split(c, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num));
00188 } else if (!strcasecmp(buf, "application")) {
00189 ast_copy_string(o->app, c, sizeof(o->app));
00190 } else if (!strcasecmp(buf, "data")) {
00191 ast_copy_string(o->data, c, sizeof(o->data));
00192 } else if (!strcasecmp(buf, "maxretries")) {
00193 if (sscanf(c, "%30d", &o->maxretries) != 1) {
00194 ast_log(LOG_WARNING, "Invalid max retries at line %d of %s\n", lineno, fn);
00195 o->maxretries = 0;
00196 }
00197 } else if (!strcasecmp(buf, "codecs")) {
00198 ast_parse_allow_disallow(NULL, &o->format, c, 1);
00199 } else if (!strcasecmp(buf, "context")) {
00200 ast_copy_string(o->context, c, sizeof(o->context));
00201 } else if (!strcasecmp(buf, "extension")) {
00202 ast_copy_string(o->exten, c, sizeof(o->exten));
00203 } else if (!strcasecmp(buf, "priority")) {
00204 if ((sscanf(c, "%30d", &o->priority) != 1) || (o->priority < 1)) {
00205 ast_log(LOG_WARNING, "Invalid priority at line %d of %s\n", lineno, fn);
00206 o->priority = 1;
00207 }
00208 } else if (!strcasecmp(buf, "retrytime")) {
00209 if ((sscanf(c, "%30d", &o->retrytime) != 1) || (o->retrytime < 1)) {
00210 ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
00211 o->retrytime = 300;
00212 }
00213 } else if (!strcasecmp(buf, "waittime")) {
00214 if ((sscanf(c, "%30d", &o->waittime) != 1) || (o->waittime < 1)) {
00215 ast_log(LOG_WARNING, "Invalid waittime at line %d of %s\n", lineno, fn);
00216 o->waittime = 45;
00217 }
00218 } else if (!strcasecmp(buf, "retry")) {
00219 o->retries++;
00220 } else if (!strcasecmp(buf, "startretry")) {
00221 if (sscanf(c, "%30ld", &o->callingpid) != 1) {
00222 ast_log(LOG_WARNING, "Unable to retrieve calling PID!\n");
00223 o->callingpid = 0;
00224 }
00225 } else if (!strcasecmp(buf, "endretry") || !strcasecmp(buf, "abortretry")) {
00226 o->callingpid = 0;
00227 o->retries++;
00228 } else if (!strcasecmp(buf, "delayedretry")) {
00229 } else if (!strcasecmp(buf, "setvar") || !strcasecmp(buf, "set")) {
00230 c2 = c;
00231 strsep(&c2, "=");
00232 if (c2) {
00233 var = ast_variable_new(c, c2);
00234 if (var) {
00235
00236 if (last) {
00237 last->next = var;
00238 } else {
00239 o->vars = var;
00240 }
00241 last = var;
00242 }
00243 } else
00244 ast_log(LOG_WARNING, "Malformed \"%s\" argument. Should be \"%s: variable=value\"\n", buf, buf);
00245 } else if (!strcasecmp(buf, "account")) {
00246 ast_copy_string(o->account, c, sizeof(o->account));
00247 } else if (!strcasecmp(buf, "alwaysdelete")) {
00248 ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ALWAYS_DELETE);
00249 } else if (!strcasecmp(buf, "archive")) {
00250 ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ARCHIVE);
00251 } else {
00252 ast_log(LOG_WARNING, "Unknown keyword '%s' at line %d of %s\n", buf, lineno, fn);
00253 }
00254 } else
00255 ast_log(LOG_NOTICE, "Syntax error at line %d of %s\n", lineno, fn);
00256 }
00257 }
00258 ast_copy_string(o->fn, fn, sizeof(o->fn));
00259 if (ast_strlen_zero(o->tech) || ast_strlen_zero(o->dest) || (ast_strlen_zero(o->app) && ast_strlen_zero(o->exten))) {
00260 ast_log(LOG_WARNING, "At least one of app or extension must be specified, along with tech and dest in file %s\n", fn);
00261 return -1;
00262 }
00263 return 0;
00264 }
00265
00266 static void safe_append(struct outgoing *o, time_t now, char *s)
00267 {
00268 int fd;
00269 FILE *f;
00270 struct utimbuf tbuf;
00271 fd = open(o->fn, O_WRONLY|O_APPEND);
00272 if (fd > -1) {
00273 f = fdopen(fd, "a");
00274 if (f) {
00275 fprintf(f, "\n%s: %ld %d (%ld)\n", s, (long)ast_mainpid, o->retries, (long) now);
00276 fclose(f);
00277 } else
00278 close(fd);
00279
00280 tbuf.actime = now;
00281 tbuf.modtime = now + o->retrytime;
00282 if (utime(o->fn, &tbuf))
00283 ast_log(LOG_WARNING, "Unable to set utime on %s: %s\n", o->fn, strerror(errno));
00284 }
00285 }
00286
00287
00288
00289
00290
00291
00292
00293 static int remove_from_queue(struct outgoing *o, const char *status)
00294 {
00295 int fd;
00296 FILE *f;
00297 char newfn[256];
00298 const char *bname;
00299
00300 if (!ast_test_flag(&o->options, SPOOL_FLAG_ALWAYS_DELETE)) {
00301 struct stat current_file_status;
00302
00303 if (!stat(o->fn, ¤t_file_status))
00304 if (time(NULL) < current_file_status.st_mtime)
00305 return 0;
00306 }
00307
00308 if (!ast_test_flag(&o->options, SPOOL_FLAG_ARCHIVE)) {
00309 unlink(o->fn);
00310 return 0;
00311 }
00312 if (mkdir(qdonedir, 0700) && (errno != EEXIST)) {
00313 ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool archiving disabled\n", qdonedir);
00314 unlink(o->fn);
00315 return -1;
00316 }
00317 fd = open(o->fn, O_WRONLY|O_APPEND);
00318 if (fd > -1) {
00319 f = fdopen(fd, "a");
00320 if (f) {
00321 fprintf(f, "Status: %s\n", status);
00322 fclose(f);
00323 } else
00324 close(fd);
00325 }
00326
00327 bname = strrchr(o->fn,'/');
00328 if (bname == NULL)
00329 bname = o->fn;
00330 else
00331 bname++;
00332 snprintf(newfn, sizeof(newfn), "%s/%s", qdonedir, bname);
00333
00334 unlink(newfn);
00335 if (rename(o->fn, newfn) != 0) {
00336 unlink(o->fn);
00337 return -1;
00338 } else
00339 return 0;
00340 }
00341
00342 static void *attempt_thread(void *data)
00343 {
00344 struct outgoing *o = data;
00345 int res, reason;
00346 if (!ast_strlen_zero(o->app)) {
00347 if (option_verbose > 2)
00348 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);
00349 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);
00350 } else {
00351 if (option_verbose > 2)
00352 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);
00353 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);
00354 }
00355 if (res) {
00356 ast_log(LOG_NOTICE, "Call failed to go through, reason (%d) %s\n", reason, ast_channel_reason2str(reason));
00357 if (o->retries >= o->maxretries + 1) {
00358
00359 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" : "");
00360 remove_from_queue(o, "Expired");
00361 } else {
00362
00363 safe_append(o, time(NULL), "EndRetry");
00364 }
00365 } else {
00366 ast_log(LOG_NOTICE, "Call completed to %s/%s\n", o->tech, o->dest);
00367 ast_log(LOG_EVENT, "Queued call to %s/%s completed\n", o->tech, o->dest);
00368 remove_from_queue(o, "Completed");
00369 }
00370 free_outgoing(o);
00371 return NULL;
00372 }
00373
00374 static void launch_service(struct outgoing *o)
00375 {
00376 pthread_t t;
00377 pthread_attr_t attr;
00378 int ret;
00379 pthread_attr_init(&attr);
00380 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
00381 if ((ret = ast_pthread_create(&t,&attr,attempt_thread, o)) != 0) {
00382 ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
00383 free_outgoing(o);
00384 }
00385 pthread_attr_destroy(&attr);
00386 }
00387
00388 static int scan_service(char *fn, time_t now, time_t atime)
00389 {
00390 struct outgoing *o;
00391 FILE *f;
00392 o = malloc(sizeof(struct outgoing));
00393 if (o) {
00394 init_outgoing(o);
00395 f = fopen(fn, "r+");
00396 if (f) {
00397 if (!apply_outgoing(o, fn, f)) {
00398 #if 0
00399 printf("Filename: %s, Retries: %d, max: %d\n", fn, o->retries, o->maxretries);
00400 #endif
00401 fclose(f);
00402 if (o->retries <= o->maxretries) {
00403 now += o->retrytime;
00404 if (o->callingpid && (o->callingpid == ast_mainpid)) {
00405 safe_append(o, time(NULL), "DelayedRetry");
00406 ast_log(LOG_DEBUG, "Delaying retry since we're currently running '%s'\n", o->fn);
00407 free_outgoing(o);
00408 } else {
00409
00410 o->retries++;
00411
00412
00413 if (o->callingpid)
00414 safe_append(o, time(NULL), "AbortRetry");
00415
00416 safe_append(o, now, "StartRetry");
00417 launch_service(o);
00418 }
00419 return now;
00420 } else {
00421 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" : "");
00422 remove_from_queue(o, "Expired");
00423 free_outgoing(o);
00424 return 0;
00425 }
00426 } else {
00427 ast_log(LOG_WARNING, "Invalid file contents in %s, deleting\n", fn);
00428 fclose(f);
00429 remove_from_queue(o, "Failed");
00430 free_outgoing(o);
00431 }
00432 } else {
00433 ast_log(LOG_WARNING, "Unable to open %s: %s, deleting\n", fn, strerror(errno));
00434 remove_from_queue(o, "Failed");
00435 free_outgoing(o);
00436 }
00437 } else
00438 ast_log(LOG_WARNING, "Out of memory :(\n");
00439 return -1;
00440 }
00441
00442 static void *scan_thread(void *unused)
00443 {
00444 struct stat st;
00445 DIR *dir;
00446 struct dirent *de;
00447 char fn[256];
00448 int res;
00449 time_t last = 0, next = 0, now;
00450 struct timespec ts = { .tv_sec = 1 };
00451
00452 while (!ast_fully_booted) {
00453 nanosleep(&ts, NULL);
00454 }
00455
00456 for(;;) {
00457
00458 nanosleep(&ts, NULL);
00459 time(&now);
00460 if (!stat(qdir, &st)) {
00461 if ((st.st_mtime != last) || (next && (now > next))) {
00462 #if 0
00463 printf("atime: %ld, mtime: %ld, ctime: %ld\n", st.st_atime, st.st_mtime, st.st_ctime);
00464 printf("Ooh, something changed / timeout\n");
00465 #endif
00466 next = 0;
00467 last = st.st_mtime;
00468 dir = opendir(qdir);
00469 if (dir) {
00470 while((de = readdir(dir))) {
00471 snprintf(fn, sizeof(fn), "%s/%s", qdir, de->d_name);
00472 if (!stat(fn, &st)) {
00473 if (S_ISREG(st.st_mode)) {
00474 if (st.st_mtime <= now) {
00475 res = scan_service(fn, now, st.st_atime);
00476 if (res > 0) {
00477
00478 if (!next || (res < next)) {
00479 next = res;
00480 }
00481 } else if (res) {
00482 ast_log(LOG_WARNING, "Failed to scan service '%s'\n", fn);
00483 } else if (!next) {
00484
00485 next = st.st_mtime;
00486 }
00487 } else {
00488
00489 if (!next || (st.st_mtime < next))
00490 next = st.st_mtime;
00491 }
00492 }
00493 } else
00494 ast_log(LOG_WARNING, "Unable to stat %s: %s\n", fn, strerror(errno));
00495 }
00496 closedir(dir);
00497 } else
00498 ast_log(LOG_WARNING, "Unable to open directory %s: %s\n", qdir, strerror(errno));
00499 }
00500 } else
00501 ast_log(LOG_WARNING, "Unable to stat %s\n", qdir);
00502 }
00503 return NULL;
00504 }
00505
00506 static int unload_module(void)
00507 {
00508 return -1;
00509 }
00510
00511 static int load_module(void)
00512 {
00513 pthread_t thread;
00514 pthread_attr_t attr;
00515 int ret;
00516 snprintf(qdir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing");
00517 if (mkdir(qdir, 0700) && (errno != EEXIST)) {
00518 ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool disabled\n", qdir);
00519 return 0;
00520 }
00521 snprintf(qdonedir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing_done");
00522 pthread_attr_init(&attr);
00523 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
00524 if ((ret = ast_pthread_create_background(&thread,&attr,scan_thread, NULL)) != 0) {
00525 ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
00526 return -1;
00527 }
00528 pthread_attr_destroy(&attr);
00529 return 0;
00530 }
00531
00532 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Outgoing Spool Support");