/*
* Asterisk -- An open source telephony toolkit.
*
- * Copyright (C) 1999 - 2005, Digium, Inc.
+ * Copyright (C) 1999 - 2010, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
*
*/
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
#include <sys/stat.h>
-#include <errno.h>
#include <time.h>
#include <utime.h>
-#include <stdlib.h>
-#include <unistd.h>
#include <dirent.h>
-#include <string.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+#ifdef HAVE_INOTIFY
+#include <sys/inotify.h>
+#elif defined(HAVE_KQUEUE)
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/event.h>
+#include <fcntl.h>
+#endif
+#include "asterisk/paths.h" /* use ast_config_AST_SPOOL_DIR */
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/callerid.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
-#include "asterisk/options.h"
#include "asterisk/utils.h"
+#include "asterisk/options.h"
/*
* pbx_spool is similar in spirit to qcall, but with substantially enhanced functionality...
* The spool file contains a header
*/
-static char *tdesc = "Outgoing Spool Support";
+enum {
+ /*! Always delete the call file after a call succeeds or the
+ * maximum number of retries is exceeded, even if the
+ * modification time of the call file is in the future.
+ */
+ SPOOL_FLAG_ALWAYS_DELETE = (1 << 0),
+ /* Don't unlink the call file after processing, move in qdonedir */
+ SPOOL_FLAG_ARCHIVE = (1 << 1),
+};
+
static char qdir[255];
+static char qdonedir[255];
struct outgoing {
- char fn[256];
- /* Current number of retries */
- int retries;
- /* Maximum number of retries permitted */
- int maxretries;
- /* How long to wait between retries (in seconds) */
- int retrytime;
- /* How long to wait for an answer */
- int waittime;
- /* PID which is currently calling */
- int callingpid;
-
- /* What to connect to outgoing */
- char tech[256];
- char dest[256];
-
- /* If application */
- char app[256];
- char data[256];
-
- /* If extension/context/priority */
- char exten[256];
- char context[256];
- int priority;
-
- /* CallerID Information */
- char cid_num[256];
- char cid_name[256];
-
- /* Variables and Functions */
- struct ast_variable *vars;
-
- /* Maximum length of call */
- int maxlen;
+ int retries; /*!< Current number of retries */
+ int maxretries; /*!< Maximum number of retries permitted */
+ int retrytime; /*!< How long to wait between retries (in seconds) */
+ int waittime; /*!< How long to wait for an answer */
+ long callingpid; /*!< PID which is currently calling */
+ struct ast_format_cap *capabilities; /*!< Formats (codecs) for this call */
+ AST_DECLARE_STRING_FIELDS (
+ AST_STRING_FIELD(fn); /*!< File name of call file */
+ AST_STRING_FIELD(tech); /*!< Which channel technology to use for outgoing call */
+ AST_STRING_FIELD(dest); /*!< Which device/line to use for outgoing call */
+ AST_STRING_FIELD(app); /*!< If application: Application name */
+ AST_STRING_FIELD(data); /*!< If application: Application data */
+ AST_STRING_FIELD(exten); /*!< If extension/context/priority: Extension in dialplan */
+ AST_STRING_FIELD(context); /*!< If extension/context/priority: Dialplan context */
+ AST_STRING_FIELD(cid_num); /*!< CallerID Information: Number/extension */
+ AST_STRING_FIELD(cid_name); /*!< CallerID Information: Name */
+ AST_STRING_FIELD(account); /*!< account code */
+ );
+ int priority; /*!< If extension/context/priority: Dialplan priority */
+ struct ast_variable *vars; /*!< Variables and Functions */
+ int maxlen; /*!< Maximum length of call */
+ struct ast_flags options; /*!< options */
};
-static void init_outgoing(struct outgoing *o)
+#if defined(HAVE_INOTIFY) || defined(HAVE_KQUEUE)
+static void queue_file(const char *filename, time_t when);
+#endif
+
+static int init_outgoing(struct outgoing *o)
{
- memset(o, 0, sizeof(struct outgoing));
+ struct ast_format tmpfmt;
o->priority = 1;
o->retrytime = 300;
o->waittime = 45;
+
+ if (!(o->capabilities = ast_format_cap_alloc_nolock())) {
+ return -1;
+ }
+ ast_format_cap_add(o->capabilities, ast_format_set(&tmpfmt, AST_FORMAT_SLINEAR, 0));
+
+ ast_set_flag(&o->options, SPOOL_FLAG_ALWAYS_DELETE);
+ if (ast_string_field_init(o, 128)) {
+ return -1;
+ }
+ return 0;
}
static void free_outgoing(struct outgoing *o)
{
- free(o);
+ if (o->vars) {
+ ast_variables_destroy(o->vars);
+ }
+ ast_string_field_free_memory(o);
+ o->capabilities = ast_format_cap_destroy(o->capabilities);
+ ast_free(o);
}
-static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
+static int apply_outgoing(struct outgoing *o, const char *fn, FILE *f)
{
char buf[256];
char *c, *c2;
int lineno = 0;
- struct ast_variable *var;
+ struct ast_variable *var, *last = o->vars;
+
+ while (last && last->next) {
+ last = last->next;
+ }
while(fgets(buf, sizeof(buf), f)) {
lineno++;
printf("'%s' is '%s' at line %d\n", buf, c, lineno);
#endif
if (!strcasecmp(buf, "channel")) {
- strncpy(o->tech, c, sizeof(o->tech) - 1);
- if ((c2 = strchr(o->tech, '/'))) {
+ if ((c2 = strchr(c, '/'))) {
*c2 = '\0';
c2++;
- strncpy(o->dest, c2, sizeof(o->dest) - 1);
+ ast_string_field_set(o, tech, c);
+ ast_string_field_set(o, dest, c2);
} else {
ast_log(LOG_NOTICE, "Channel should be in form Tech/Dest at line %d of %s\n", lineno, fn);
- o->tech[0] = '\0';
}
} else if (!strcasecmp(buf, "callerid")) {
- ast_callerid_split(c, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num));
+ char cid_name[80] = {0}, cid_num[80] = {0};
+ ast_callerid_split(c, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
+ ast_string_field_set(o, cid_num, cid_num);
+ ast_string_field_set(o, cid_name, cid_name);
} else if (!strcasecmp(buf, "application")) {
- strncpy(o->app, c, sizeof(o->app) - 1);
+ ast_string_field_set(o, app, c);
} else if (!strcasecmp(buf, "data")) {
- strncpy(o->data, c, sizeof(o->data) - 1);
+ ast_string_field_set(o, data, c);
} else if (!strcasecmp(buf, "maxretries")) {
- if (sscanf(c, "%d", &o->maxretries) != 1) {
+ if (sscanf(c, "%30d", &o->maxretries) != 1) {
ast_log(LOG_WARNING, "Invalid max retries at line %d of %s\n", lineno, fn);
o->maxretries = 0;
}
+ } else if (!strcasecmp(buf, "codecs")) {
+ ast_parse_allow_disallow(NULL, o->capabilities, c, 1);
} else if (!strcasecmp(buf, "context")) {
- strncpy(o->context, c, sizeof(o->context) - 1);
+ ast_string_field_set(o, context, c);
} else if (!strcasecmp(buf, "extension")) {
- strncpy(o->exten, c, sizeof(o->exten) - 1);
+ ast_string_field_set(o, exten, c);
} else if (!strcasecmp(buf, "priority")) {
- if ((sscanf(c, "%d", &o->priority) != 1) || (o->priority < 1)) {
+ if ((sscanf(c, "%30d", &o->priority) != 1) || (o->priority < 1)) {
ast_log(LOG_WARNING, "Invalid priority at line %d of %s\n", lineno, fn);
o->priority = 1;
}
} else if (!strcasecmp(buf, "retrytime")) {
- if ((sscanf(c, "%d", &o->retrytime) != 1) || (o->retrytime < 1)) {
+ if ((sscanf(c, "%30d", &o->retrytime) != 1) || (o->retrytime < 1)) {
ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
o->retrytime = 300;
}
} else if (!strcasecmp(buf, "waittime")) {
- if ((sscanf(c, "%d", &o->waittime) != 1) || (o->waittime < 1)) {
- ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
+ if ((sscanf(c, "%30d", &o->waittime) != 1) || (o->waittime < 1)) {
+ ast_log(LOG_WARNING, "Invalid waittime at line %d of %s\n", lineno, fn);
o->waittime = 45;
}
} else if (!strcasecmp(buf, "retry")) {
o->retries++;
} else if (!strcasecmp(buf, "startretry")) {
- if (sscanf(c, "%d", &o->callingpid) != 1) {
+ if (sscanf(c, "%30ld", &o->callingpid) != 1) {
ast_log(LOG_WARNING, "Unable to retrieve calling PID!\n");
o->callingpid = 0;
}
c2 = c;
strsep(&c2, "=");
if (c2) {
- var = ast_variable_new(c, c2);
+ var = ast_variable_new(c, c2, fn);
if (var) {
- var->next = o->vars;
- o->vars = var;
+ /* Always insert at the end, because some people want to treat the spool file as a script */
+ if (last) {
+ last->next = var;
+ } else {
+ o->vars = var;
+ }
+ last = var;
}
} else
ast_log(LOG_WARNING, "Malformed \"%s\" argument. Should be \"%s: variable=value\"\n", buf, buf);
} else if (!strcasecmp(buf, "account")) {
- var = ast_variable_new("CDR(accountcode|r)", c);
- if (var) {
- var->next = o->vars;
- o->vars = var;
- }
+ ast_string_field_set(o, account, c);
+ } else if (!strcasecmp(buf, "alwaysdelete")) {
+ ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ALWAYS_DELETE);
+ } else if (!strcasecmp(buf, "archive")) {
+ ast_set2_flag(&o->options, ast_true(c), SPOOL_FLAG_ARCHIVE);
} else {
ast_log(LOG_WARNING, "Unknown keyword '%s' at line %d of %s\n", buf, lineno, fn);
}
ast_log(LOG_NOTICE, "Syntax error at line %d of %s\n", lineno, fn);
}
}
- strncpy(o->fn, fn, sizeof(o->fn) - 1);
+ ast_string_field_set(o, fn, fn);
if (ast_strlen_zero(o->tech) || ast_strlen_zero(o->dest) || (ast_strlen_zero(o->app) && ast_strlen_zero(o->exten))) {
ast_log(LOG_WARNING, "At least one of app or extension must be specified, along with tech and dest in file %s\n", fn);
return -1;
static void safe_append(struct outgoing *o, time_t now, char *s)
{
- int fd;
FILE *f;
- struct utimbuf tbuf;
- fd = open(o->fn, O_WRONLY|O_APPEND);
- if (fd > -1) {
- f = fdopen(fd, "a");
- if (f) {
- fprintf(f, "%s: %ld %d (%ld)\n", s, (long)ast_mainpid, o->retries, (long) now);
- fclose(f);
- } else
- close(fd);
- /* Update the file time */
- tbuf.actime = now;
- tbuf.modtime = now + o->retrytime;
- if (utime(o->fn, &tbuf))
- ast_log(LOG_WARNING, "Unable to set utime on %s: %s\n", o->fn, strerror(errno));
+ struct utimbuf tbuf = { .actime = now, .modtime = now + o->retrytime };
+
+ ast_debug(1, "Outgoing %s/%s: %s\n", o->tech, o->dest, s);
+
+ if ((f = fopen(o->fn, "a"))) {
+ fprintf(f, "\n%s: %ld %d (%ld)\n", s, (long)ast_mainpid, o->retries, (long) now);
+ fclose(f);
+ }
+
+ /* Update the file time */
+ if (utime(o->fn, &tbuf)) {
+ ast_log(LOG_WARNING, "Unable to set utime on %s: %s\n", o->fn, strerror(errno));
+ }
+}
+
+/*!
+ * \brief Remove a call file from the outgoing queue optionally moving it in the archive dir
+ *
+ * \param o the pointer to outgoing struct
+ * \param status the exit status of the call. Can be "Completed", "Failed" or "Expired"
+ */
+static int remove_from_queue(struct outgoing *o, const char *status)
+{
+ FILE *f;
+ char newfn[256];
+ const char *bname;
+
+ if (!ast_test_flag(&o->options, SPOOL_FLAG_ALWAYS_DELETE)) {
+ struct stat current_file_status;
+
+ if (!stat(o->fn, ¤t_file_status)) {
+ if (time(NULL) < current_file_status.st_mtime) {
+ return 0;
+ }
+ }
+ }
+
+ if (!ast_test_flag(&o->options, SPOOL_FLAG_ARCHIVE)) {
+ unlink(o->fn);
+ return 0;
+ }
+
+ if (ast_mkdir(qdonedir, 0777)) {
+ ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool archiving disabled\n", qdonedir);
+ unlink(o->fn);
+ return -1;
}
+
+ if (!(bname = strrchr(o->fn, '/'))) {
+ bname = o->fn;
+ } else {
+ bname++;
+ }
+
+ snprintf(newfn, sizeof(newfn), "%s/%s", qdonedir, bname);
+ /* a existing call file the archive dir is overwritten */
+ unlink(newfn);
+ if (rename(o->fn, newfn) != 0) {
+ unlink(o->fn);
+ return -1;
+ }
+
+ /* Only append to the file AFTER we move it out of the watched directory,
+ * otherwise the fclose() causes another event for inotify(7) */
+ if ((f = fopen(newfn, "a"))) {
+ fprintf(f, "Status: %s\n", status);
+ fclose(f);
+ }
+
+ return 0;
}
static void *attempt_thread(void *data)
struct outgoing *o = data;
int res, reason;
if (!ast_strlen_zero(o->app)) {
- if (option_verbose > 2)
- 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);
- res = ast_pbx_outgoing_app(o->tech, AST_FORMAT_SLINEAR, o->dest, o->waittime * 1000, o->app, o->data, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, NULL);
+ ast_verb(3, "Attempting call on %s/%s for application %s(%s) (Retry %d)\n", o->tech, o->dest, o->app, o->data, o->retries);
+ res = ast_pbx_outgoing_app(o->tech, o->capabilities, (void *) o->dest, o->waittime * 1000, o->app, o->data, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, o->account, NULL);
+ o->vars = NULL;
} else {
- if (option_verbose > 2)
- 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);
- res = ast_pbx_outgoing_exten(o->tech, AST_FORMAT_SLINEAR, o->dest, o->waittime * 1000, o->context, o->exten, o->priority, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, NULL);
+ ast_verb(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);
+ res = ast_pbx_outgoing_exten(o->tech, o->capabilities, (void *) o->dest, o->waittime * 1000, o->context, o->exten, o->priority, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, o->account, NULL);
+ o->vars = NULL;
}
if (res) {
- ast_log(LOG_NOTICE, "Call failed to go through, reason %d\n", reason);
+ ast_log(LOG_NOTICE, "Call failed to go through, reason (%d) %s\n", reason, ast_channel_reason2str(reason));
if (o->retries >= o->maxretries + 1) {
/* Max retries exceeded */
- 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" : "");
- unlink(o->fn);
+ ast_log(LOG_NOTICE, "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" : "");
+ remove_from_queue(o, "Expired");
} else {
/* Notate that the call is still active */
safe_append(o, time(NULL), "EndRetry");
+#if defined(HAVE_INOTIFY) || defined(HAVE_KQUEUE)
+ queue_file(o->fn, time(NULL) + o->retrytime);
+#endif
}
} else {
ast_log(LOG_NOTICE, "Call completed to %s/%s\n", o->tech, o->dest);
- ast_log(LOG_EVENT, "Queued call to %s/%s completed\n", o->tech, o->dest);
- unlink(o->fn);
+ remove_from_queue(o, "Completed");
}
free_outgoing(o);
return NULL;
static void launch_service(struct outgoing *o)
{
pthread_t t;
- pthread_attr_t attr;
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- if (ast_pthread_create(&t,&attr,attempt_thread, o) == -1) {
- ast_log(LOG_WARNING, "Unable to create thread :(\n");
+ int ret;
+
+ if ((ret = ast_pthread_create_detached(&t, NULL, attempt_thread, o))) {
+ ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
free_outgoing(o);
}
}
-static int scan_service(char *fn, time_t now, time_t atime)
+/* Called from scan_thread or queue_file */
+static int scan_service(const char *fn, time_t now)
{
- struct outgoing *o;
+ struct outgoing *o = NULL;
FILE *f;
- o = malloc(sizeof(struct outgoing));
- if (o) {
- init_outgoing(o);
- f = fopen(fn, "r+");
- if (f) {
- if (!apply_outgoing(o, fn, f)) {
+ int res = 0;
+
+ if (!(o = ast_calloc(1, sizeof(*o)))) {
+ ast_log(LOG_WARNING, "Out of memory ;(\n");
+ return -1;
+ }
+
+ if (init_outgoing(o)) {
+ /* No need to call free_outgoing here since we know the failure
+ * was to allocate string fields and no variables have been allocated
+ * yet.
+ */
+ ast_free(o);
+ return -1;
+ }
+
+ /* Attempt to open the file */
+ if (!(f = fopen(fn, "r"))) {
+ remove_from_queue(o, "Failed");
+ free_outgoing(o);
+#if !defined(HAVE_INOTIFY) && !defined(HAVE_KQUEUE)
+ ast_log(LOG_WARNING, "Unable to open %s: %s, deleting\n", fn, strerror(errno));
+#endif
+ return -1;
+ }
+
+ /* Read in and verify the contents */
+ if (apply_outgoing(o, fn, f)) {
+ remove_from_queue(o, "Failed");
+ free_outgoing(o);
+ ast_log(LOG_WARNING, "Invalid file contents in %s, deleting\n", fn);
+ fclose(f);
+ return -1;
+ }
+
#if 0
- printf("Filename: %s, Retries: %d, max: %d\n", fn, o->retries, o->maxretries);
+ printf("Filename: %s, Retries: %d, max: %d\n", fn, o->retries, o->maxretries);
+#endif
+ fclose(f);
+ if (o->retries <= o->maxretries) {
+ now += o->retrytime;
+ if (o->callingpid && (o->callingpid == ast_mainpid)) {
+ safe_append(o, time(NULL), "DelayedRetry");
+ ast_debug(1, "Delaying retry since we're currently running '%s'\n", o->fn);
+ free_outgoing(o);
+ } else {
+ /* Increment retries */
+ o->retries++;
+ /* If someone else was calling, they're presumably gone now
+ so abort their retry and continue as we were... */
+ if (o->callingpid)
+ safe_append(o, time(NULL), "AbortRetry");
+
+ safe_append(o, now, "StartRetry");
+ launch_service(o);
+ }
+ res = now;
+ } else {
+ ast_log(LOG_NOTICE, "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" : "");
+ remove_from_queue(o, "Expired");
+ free_outgoing(o);
+ }
+
+ return res;
+}
+
+#if defined(HAVE_INOTIFY) || defined(HAVE_KQUEUE)
+struct direntry {
+ AST_LIST_ENTRY(direntry) list;
+ time_t mtime;
+ char name[0];
+};
+
+static AST_LIST_HEAD_STATIC(dirlist, direntry);
+
+#if defined(HAVE_INOTIFY)
+/* Only one thread is accessing this list, so no lock is necessary */
+static AST_LIST_HEAD_NOLOCK_STATIC(createlist, direntry);
+#endif
+
+static void queue_file(const char *filename, time_t when)
+{
+ struct stat st;
+ struct direntry *cur, *new;
+ int res;
+ time_t now = time(NULL);
+
+ if (filename[0] != '/') {
+ char *fn = alloca(strlen(qdir) + strlen(filename) + 2);
+ sprintf(fn, "%s/%s", qdir, filename); /* SAFE */
+ filename = fn;
+ }
+
+ if (when == 0) {
+ if (stat(filename, &st)) {
+ ast_log(LOG_WARNING, "Unable to stat %s: %s\n", filename, strerror(errno));
+ return;
+ }
+
+ if (!S_ISREG(st.st_mode)) {
+ return;
+ }
+
+ when = st.st_mtime;
+ }
+
+ /* Need to check the existing list in order to avoid duplicates. */
+ AST_LIST_LOCK(&dirlist);
+ AST_LIST_TRAVERSE(&dirlist, cur, list) {
+ if (cur->mtime == when && !strcmp(filename, cur->name)) {
+ AST_LIST_UNLOCK(&dirlist);
+ return;
+ }
+ }
+
+ if ((res = when) > now || (res = scan_service(filename, now)) > 0) {
+ if (!(new = ast_calloc(1, sizeof(*new) + strlen(filename) + 1))) {
+ AST_LIST_UNLOCK(&dirlist);
+ return;
+ }
+ new->mtime = res;
+ strcpy(new->name, filename);
+ /* List is ordered by mtime */
+ if (AST_LIST_EMPTY(&dirlist)) {
+ AST_LIST_INSERT_HEAD(&dirlist, new, list);
+ } else {
+ int found = 0;
+ AST_LIST_TRAVERSE_SAFE_BEGIN(&dirlist, cur, list) {
+ if (cur->mtime > new->mtime) {
+ AST_LIST_INSERT_BEFORE_CURRENT(new, list);
+ found = 1;
+ break;
+ }
+ }
+ AST_LIST_TRAVERSE_SAFE_END
+ if (!found) {
+ AST_LIST_INSERT_TAIL(&dirlist, new, list);
+ }
+ }
+ }
+ AST_LIST_UNLOCK(&dirlist);
+}
+
+#ifdef HAVE_INOTIFY
+static void queue_file_create(const char *filename)
+{
+ struct direntry *cur;
+
+ AST_LIST_TRAVERSE(&createlist, cur, list) {
+ if (!strcmp(cur->name, filename)) {
+ return;
+ }
+ }
+
+ if (!(cur = ast_calloc(1, sizeof(*cur) + strlen(filename) + 1))) {
+ return;
+ }
+ strcpy(cur->name, filename);
+ AST_LIST_INSERT_TAIL(&createlist, cur, list);
+}
+
+static void queue_file_write(const char *filename)
+{
+ struct direntry *cur;
+ /* Only queue entries where an IN_CREATE preceded the IN_CLOSE_WRITE */
+ AST_LIST_TRAVERSE_SAFE_BEGIN(&createlist, cur, list) {
+ if (!strcmp(cur->name, filename)) {
+ AST_LIST_REMOVE_CURRENT(list);
+ ast_free(cur);
+ queue_file(filename, 0);
+ break;
+ }
+ }
+ AST_LIST_TRAVERSE_SAFE_END
+}
+#endif
+
+static void *scan_thread(void *unused)
+{
+ DIR *dir;
+ struct dirent *de;
+ time_t now;
+ struct timespec ts = { .tv_sec = 1 };
+#ifdef HAVE_INOTIFY
+ ssize_t res;
+ int inotify_fd = inotify_init();
+ struct inotify_event *iev;
+ char buf[8192] __attribute__((aligned (sizeof(int))));
+ struct pollfd pfd = { .fd = inotify_fd, .events = POLLIN };
+#else
+ struct timespec nowait = { 0, 1 };
+ int inotify_fd = kqueue();
+ struct kevent kev;
+#endif
+ struct direntry *cur;
+
+ while (!ast_fully_booted) {
+ nanosleep(&ts, NULL);
+ }
+
+ if (inotify_fd < 0) {
+ ast_log(LOG_ERROR, "Unable to initialize "
+#ifdef HAVE_INOTIFY
+ "inotify(7)"
+#else
+ "kqueue(2)"
+#endif
+ "\n");
+ return NULL;
+ }
+
+#ifdef HAVE_INOTIFY
+ inotify_add_watch(inotify_fd, qdir, IN_CREATE | IN_CLOSE_WRITE | IN_MOVED_TO);
+#endif
+
+ /* First, run through the directory and clear existing entries */
+ if (!(dir = opendir(qdir))) {
+ ast_log(LOG_ERROR, "Unable to open directory %s: %s\n", qdir, strerror(errno));
+ return NULL;
+ }
+
+#ifndef HAVE_INOTIFY
+ EV_SET(&kev, dirfd(dir), EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_CLEAR, NOTE_WRITE, 0, NULL);
+ if (kevent(inotify_fd, &kev, 1, NULL, 0, &nowait) < 0 && errno != 0) {
+ ast_log(LOG_ERROR, "Unable to watch directory %s: %s\n", qdir, strerror(errno));
+ }
#endif
- fclose(f);
- if (o->retries <= o->maxretries) {
- if (o->callingpid && (o->callingpid == ast_mainpid)) {
- safe_append(o, time(NULL), "DelayedRetry");
- ast_log(LOG_DEBUG, "Delaying retry since we're currently running '%s'\n", o->fn);
+ now = time(NULL);
+ while ((de = readdir(dir))) {
+ queue_file(de->d_name, 0);
+ }
+
+#ifdef HAVE_INOTIFY
+ /* Directory needs to remain open for kqueue(2) */
+ closedir(dir);
+#endif
+
+ /* Wait for either a) next timestamp to occur, or b) a change to happen */
+ for (;/* ever */;) {
+ time_t next = AST_LIST_EMPTY(&dirlist) ? INT_MAX : AST_LIST_FIRST(&dirlist)->mtime;
+
+ time(&now);
+ if (next > now) {
+#ifdef HAVE_INOTIFY
+ int stage = 0;
+ /* Convert from seconds to milliseconds, unless there's nothing
+ * in the queue already, in which case, we wait forever. */
+ int waittime = next == INT_MAX ? -1 : (next - now) * 1000;
+ /* When a file arrives, add it to the queue, in mtime order. */
+ if ((res = poll(&pfd, 1, waittime)) > 0 && (stage = 1) &&
+ (res = read(inotify_fd, &buf, sizeof(buf))) >= sizeof(*iev)) {
+ ssize_t len = 0;
+ /* File(s) added to directory, add them to my list */
+ for (iev = (void *) buf; res >= sizeof(*iev); iev = (struct inotify_event *) (((char *) iev) + len)) {
+ if (iev->mask & IN_CREATE) {
+ queue_file_create(iev->name);
+ } else if (iev->mask & IN_CLOSE_WRITE) {
+ queue_file_write(iev->name);
+ } else if (iev->mask & IN_MOVED_TO) {
+ queue_file(iev->name, 0);
} else {
- /* Increment retries */
- o->retries++;
- /* If someone else was calling, they're presumably gone now
- so abort their retry and continue as we were... */
- if (o->callingpid)
- safe_append(o, time(NULL), "AbortRetry");
-
- safe_append(o, now, "StartRetry");
- launch_service(o);
+ ast_log(LOG_ERROR, "Unexpected event %d for file '%s'\n", (int) iev->mask, iev->name);
}
- now += o->retrytime;
- return now;
- } else {
- 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" : "");
- free_outgoing(o);
- unlink(fn);
- return 0;
+
+ len = sizeof(*iev) + iev->len;
+ res -= len;
}
+ } else if (res < 0 && errno != EINTR && errno != EAGAIN) {
+ ast_debug(1, "Got an error back from %s(2): %s\n", stage ? "read" : "poll", strerror(errno));
+ }
+#else
+ struct timespec ts2 = { next - now, 0 };
+ if (kevent(inotify_fd, NULL, 0, &kev, 1, &ts2) <= 0) {
+ /* Interrupt or timeout, restart calculations */
+ continue;
} else {
- free_outgoing(o);
- ast_log(LOG_WARNING, "Invalid file contents in %s, deleting\n", fn);
- fclose(f);
- unlink(fn);
+ /* Directory changed, rescan */
+ rewinddir(dir);
+ while ((de = readdir(dir))) {
+ queue_file(de->d_name, 0);
+ }
}
- } else {
- free_outgoing(o);
- ast_log(LOG_WARNING, "Unable to open %s: %s, deleting\n", fn, strerror(errno));
- unlink(fn);
+#endif
+ time(&now);
}
- } else
- ast_log(LOG_WARNING, "Out of memory :(\n");
- return -1;
+
+ /* Empty the list of all entries ready to be processed */
+ AST_LIST_LOCK(&dirlist);
+ while (!AST_LIST_EMPTY(&dirlist) && AST_LIST_FIRST(&dirlist)->mtime <= now) {
+ cur = AST_LIST_REMOVE_HEAD(&dirlist, list);
+ queue_file(cur->name, cur->mtime);
+ ast_free(cur);
+ }
+ AST_LIST_UNLOCK(&dirlist);
+ }
+ return NULL;
}
+#else
static void *scan_thread(void *unused)
{
struct stat st;
char fn[256];
int res;
time_t last = 0, next = 0, now;
+ struct timespec ts = { .tv_sec = 1 };
+
+ while (!ast_fully_booted) {
+ nanosleep(&ts, NULL);
+ }
+
for(;;) {
/* Wait a sec */
- sleep(1);
+ nanosleep(&ts, NULL);
time(&now);
- if (!stat(qdir, &st)) {
- if ((st.st_mtime != last) || (next && (now > next))) {
+
+ if (stat(qdir, &st)) {
+ ast_log(LOG_WARNING, "Unable to stat %s\n", qdir);
+ continue;
+ }
+
+ /* Make sure it is time for us to execute our check */
+ if ((st.st_mtime == last) && (next && (next > now)))
+ continue;
+
#if 0
- printf("atime: %ld, mtime: %ld, ctime: %ld\n", st.st_atime, st.st_mtime, st.st_ctime);
- printf("Ooh, something changed / timeout\n");
-#endif
- next = 0;
- last = st.st_mtime;
- dir = opendir(qdir);
- if (dir) {
- while((de = readdir(dir))) {
- snprintf(fn, sizeof(fn), "%s/%s", qdir, de->d_name);
- if (!stat(fn, &st)) {
- if (S_ISREG(st.st_mode)) {
- if (st.st_mtime <= now) {
- res = scan_service(fn, now, st.st_atime);
- if (res > 0) {
- /* Update next service time */
- if (!next || (res < next)) {
- next = res;
- }
- } else if (res)
- ast_log(LOG_WARNING, "Failed to scan service '%s'\n", fn);
- } else {
- /* Update "next" update if necessary */
- if (!next || (st.st_mtime < next))
- next = st.st_mtime;
- }
- }
- } else
- ast_log(LOG_WARNING, "Unable to stat %s: %s\n", fn, strerror(errno));
+ printf("atime: %ld, mtime: %ld, ctime: %ld\n", st.st_atime, st.st_mtime, st.st_ctime);
+ printf("Ooh, something changed / timeout\n");
+#endif
+ next = 0;
+ last = st.st_mtime;
+
+ if (!(dir = opendir(qdir))) {
+ ast_log(LOG_WARNING, "Unable to open directory %s: %s\n", qdir, strerror(errno));
+ continue;
+ }
+
+ while ((de = readdir(dir))) {
+ snprintf(fn, sizeof(fn), "%s/%s", qdir, de->d_name);
+ if (stat(fn, &st)) {
+ ast_log(LOG_WARNING, "Unable to stat %s: %s\n", fn, strerror(errno));
+ continue;
+ }
+ if (!S_ISREG(st.st_mode))
+ continue;
+ if (st.st_mtime <= now) {
+ res = scan_service(fn, now);
+ if (res > 0) {
+ /* Update next service time */
+ if (!next || (res < next)) {
+ next = res;
}
- closedir(dir);
- } else
- ast_log(LOG_WARNING, "Unable to open directory %s: %s\n", qdir, strerror(errno));
+ } else if (res) {
+ ast_log(LOG_WARNING, "Failed to scan service '%s'\n", fn);
+ } else if (!next) {
+ /* Expired entry: must recheck on the next go-around */
+ next = st.st_mtime;
+ }
+ } else {
+ /* Update "next" update if necessary */
+ if (!next || (st.st_mtime < next))
+ next = st.st_mtime;
}
- } else
- ast_log(LOG_WARNING, "Unable to stat %s\n", qdir);
+ }
+ closedir(dir);
}
return NULL;
}
+#endif
-int unload_module(void)
+static int unload_module(void)
{
return -1;
}
-int load_module(void)
+static int load_module(void)
{
pthread_t thread;
- pthread_attr_t attr;
+ int ret;
snprintf(qdir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing");
- if (mkdir(qdir, 0700) && (errno != EEXIST)) {
+ if (ast_mkdir(qdir, 0777)) {
ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool disabled\n", qdir);
- return 0;
- }
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- if (ast_pthread_create(&thread,&attr,scan_thread, NULL) == -1) {
- ast_log(LOG_WARNING, "Unable to create thread :(\n");
- return -1;
+ return AST_MODULE_LOAD_DECLINE;
}
- return 0;
-}
+ snprintf(qdonedir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing_done");
-char *description(void)
-{
- return tdesc;
-}
+ if ((ret = ast_pthread_create_detached_background(&thread, NULL, scan_thread, NULL))) {
+ ast_log(LOG_WARNING, "Unable to create thread :( (returned error: %d)\n", ret);
+ return AST_MODULE_LOAD_FAILURE;
+ }
-int usecount(void)
-{
- return 1;
+ return AST_MODULE_LOAD_SUCCESS;
}
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Outgoing Spool Support");
projects / asterisk/asterisk.git / blobdiff