app_macro.c File Reference

Dial plan macro Implementation. More...

#include "asterisk.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/extconf.h"
#include "asterisk/config.h"
#include "asterisk/utils.h"
#include "asterisk/lock.h"
#include "asterisk/app.h"

Include dependency graph for app_macro.c:

Go to the source code of this file.

Macros
#define	MACRO_EXIT_RESULT   1024
#define	MAX_ARGS   80

Functions
static int	_macro_exec (struct ast_channel *chan, const char *data, int exclusive)
	AST_MODULE_INFO_STANDARD_DEPRECATED (ASTERISK_GPL_KEY, "Extension Macros")
static struct ast_exten *	find_matching_priority (struct ast_context *c, const char *exten, int priority, const char *callerid, int iter, int *had_error)
static int	load_module (void)
static int	macro_exec (struct ast_channel *chan, const char *data)
static int	macro_exit_exec (struct ast_channel *chan, const char *data)
static void	macro_fixup (void *data, struct ast_channel *old_chan, struct ast_channel *new_chan)
static int	macroexclusive_exec (struct ast_channel *chan, const char *data)
static int	macroif_exec (struct ast_channel *chan, const char *data)
static int	unload_module (void)

Variables
static char *	app = "Macro"
static char *	exclusive_app = "MacroExclusive"
static char *	exit_app = "MacroExit"
static char *	if_app = "MacroIf"
static const struct ast_datastore_info	macro_ds_info

Detailed Description

Dial plan macro Implementation.

Author

Mark Spencer marks.nosp@m.ter@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

Definition in file app_macro.c.

Macro Definition Documentation

MACRO_EXIT_RESULT

#define MACRO_EXIT_RESULT   1024

Definition at line 158 of file app_macro.c.

Referenced by _macro_exec(), and macro_exit_exec().

MAX_ARGS

#define MAX_ARGS   80

Definition at line 155 of file app_macro.c.

Referenced by _macro_exec().

Function Documentation

_macro_exec()

static int _macro_exec ( struct ast_channel *  chan, const char *  data, int  exclusive  )

static

Definition at line 236 of file app_macro.c.

References app2, ast_autoservice_start(), ast_autoservice_stop(), ast_channel_caller(), ast_channel_context(), ast_channel_context_set(), ast_channel_datastore_add(), ast_channel_datastore_find(), ast_channel_exten(), ast_channel_exten_set(), ast_channel_flags(), ast_channel_lock, ast_channel_macrocontext(), ast_channel_macrocontext_set(), ast_channel_macroexten(), ast_channel_macroexten_set(), ast_channel_macropriority_set(), ast_channel_name(), ast_channel_priority(), ast_channel_priority_set(), ast_channel_softhangup_internal_flag(), ast_channel_unlock, ast_check_hangup(), ast_context_find(), ast_context_lockmacro(), ast_context_unlockmacro(), ast_copy_string(), ast_datastore_alloc, ast_debug, ast_exists_extension(), AST_FLAG_IN_AUTOLOOP, AST_FLAG_SUBROUTINE_EXEC, ast_free, ast_get_context_name(), ast_get_extension_app(), ast_get_extension_app_data(), ast_log, AST_MAX_CONTEXT, ast_rdlock_context(), ast_rdlock_contexts(), ast_set2_flag, ast_set_flag, AST_SOFTHANGUP_ASYNCGOTO, ast_spawn_extension(), ast_str_buffer(), ast_str_create, ast_str_substitute_variables(), ast_strdup, ast_strdupa, ast_strlen_zero, ast_test_flag, ast_unlock_context(), ast_unlock_contexts(), ast_verb, ast_walk_contexts(), c, cond, DATASTORE_INHERIT_FOREVER, deprecation_notice(), find_matching_priority(), ast_datastore::inheritance, LOG_ERROR, LOG_WARNING, MACRO_EXIT_RESULT, MAX_ARGS, NULL, out, pbx_builtin_getvar_helper(), pbx_builtin_setvar_helper(), pbx_checkcondition(), S_COR, strsep(), and tmp().

Referenced by macro_exec(), and macroexclusive_exec().

{
   const char *s;
   char *tmp;
   char *cur, *rest;
   char *macro;
   char fullmacro[80];
   char varname[80];
   char runningapp[80], runningdata[1024];
   char *oldargs[MAX_ARGS + 1] = { NULL, };
   int argc, x;
   int res=0;
   char oldexten[256]="";
   int oldpriority, gosub_level = 0;
   char pc[80], depthc[12];
   char oldcontext[AST_MAX_CONTEXT] = "";
   const char *inhangupc;
   int offset, depth = 0, maxdepth = 7;
   int setmacrocontext=0;
   int autoloopflag, inhangup = 0;
   struct ast_str *tmp_subst = NULL;
   const char *my_macro_exten = NULL;
   char *save_macro_exten;
   char *save_macro_context;
   char *save_macro_priority;
   char *save_macro_offset;
   int save_in_subroutine;
   struct ast_datastore *macro_store = ast_channel_datastore_find(chan, &macro_ds_info, NULL);
   int had_infinite_include_error = 0;
   static int deprecation_notice = 0;

   if (ast_strlen_zero(data)) {
      ast_log(LOG_WARNING, "Macro() requires arguments. See \"core show application macro\" for help.\n");
      return -1;
   }

   if (!deprecation_notice) {
      deprecation_notice = 1;
      ast_log(LOG_WARNING, "Macro() is deprecated and will be removed from a future version of Asterisk.\n");
      ast_log(LOG_WARNING, "Dialplan should be updated to use Gosub instead.\n");
   }

   do {
      if (macro_store) {
         break;
      }
      if (!(macro_store = ast_datastore_alloc(&macro_ds_info, NULL))) {
         ast_log(LOG_WARNING, "Unable to allocate new datastore.\n");
         break;
      }
      /* Just the existence of this datastore is enough. */
      macro_store->inheritance = DATASTORE_INHERIT_FOREVER;
      ast_channel_datastore_add(chan, macro_store);
   } while (0);

   /* does the user want a deeper rabbit hole? */
   ast_channel_lock(chan);
   if ((s = pbx_builtin_getvar_helper(chan, "MACRO_RECURSION"))) {
      sscanf(s, "%30d", &maxdepth);
   }

   /* Count how many levels deep the rabbit hole goes */
   if ((s = pbx_builtin_getvar_helper(chan, "MACRO_DEPTH"))) {
      sscanf(s, "%30d", &depth);
   }

   /* Used for detecting whether to return when a Macro is called from another Macro after hangup */
   if (strcmp(ast_channel_exten(chan), "h") == 0)
      pbx_builtin_setvar_helper(chan, "MACRO_IN_HANGUP", "1");

   if ((inhangupc = pbx_builtin_getvar_helper(chan, "MACRO_IN_HANGUP"))) {
      sscanf(inhangupc, "%30d", &inhangup);
   }
   ast_channel_unlock(chan);

   if (depth >= maxdepth) {
      ast_log(LOG_ERROR, "Macro():  possible infinite loop detected.  Returning early.\n");
      return 0;
   }
   snprintf(depthc, sizeof(depthc), "%d", depth + 1);

   tmp = ast_strdupa(data);
   rest = tmp;
   macro = strsep(&rest, ",");
   if (ast_strlen_zero(macro)) {
      ast_log(LOG_WARNING, "Invalid macro name specified\n");
      return 0;
   }

   snprintf(fullmacro, sizeof(fullmacro), "macro-%s", macro);

   /* first search for the macro */
   if (!ast_context_find(fullmacro)) {
      ast_log(LOG_WARNING, "No such context '%s' for macro '%s'. Was called by %s@%s\n",
         fullmacro, macro, ast_channel_exten(chan), ast_channel_context(chan));
      return 0;
   }

   /* now search for the right extension */
   if (ast_exists_extension(chan, fullmacro, "s", 1,
      S_COR(ast_channel_caller(chan)->id.number.valid,
         ast_channel_caller(chan)->id.number.str, NULL))) {
      /* We have a normal macro */
      my_macro_exten = "s";
   } else if (ast_exists_extension(chan, fullmacro, "~~s~~", 1,
      S_COR(ast_channel_caller(chan)->id.number.valid,
         ast_channel_caller(chan)->id.number.str, NULL))) {
      /* We have an AEL generated macro */
      my_macro_exten = "~~s~~";
   }

   /* do we have a valid exten? */
   if (!my_macro_exten) {
      ast_log(LOG_WARNING,
         "Context '%s' for macro '%s' lacks 's' extension, priority 1\n",
         fullmacro, macro);
      return 0;
   }

   /* If we are to run the macro exclusively, take the mutex */
   if (exclusive) {
      ast_debug(1, "Locking macrolock for '%s'\n", fullmacro);
      ast_autoservice_start(chan);
      if (ast_context_lockmacro(fullmacro)) {
         ast_log(LOG_WARNING, "Failed to lock macro '%s' as in-use\n", fullmacro);
         ast_autoservice_stop(chan);
         return 0;
      }
      ast_autoservice_stop(chan);
   }

   if (!(tmp_subst = ast_str_create(16))) {
      return -1;
   }

   /* Save old info */
   ast_channel_lock(chan);
   oldpriority = ast_channel_priority(chan);
   ast_copy_string(oldexten, ast_channel_exten(chan), sizeof(oldexten));
   ast_copy_string(oldcontext, ast_channel_context(chan), sizeof(oldcontext));
   if (ast_strlen_zero(ast_channel_macrocontext(chan))) {
      ast_channel_macrocontext_set(chan, ast_channel_context(chan));
      ast_channel_macroexten_set(chan, ast_channel_exten(chan));
      ast_channel_macropriority_set(chan, ast_channel_priority(chan));
      setmacrocontext=1;
   }
   argc = 1;
   /* Save old macro variables */
   save_macro_exten = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_EXTEN"));
   pbx_builtin_setvar_helper(chan, "MACRO_EXTEN", oldexten);

   save_macro_context = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_CONTEXT"));
   pbx_builtin_setvar_helper(chan, "MACRO_CONTEXT", oldcontext);

   save_macro_priority = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_PRIORITY"));
   snprintf(pc, sizeof(pc), "%d", oldpriority);
   pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", pc);

   save_macro_offset = ast_strdup(pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"));
   pbx_builtin_setvar_helper(chan, "MACRO_OFFSET", NULL);

   pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);

   save_in_subroutine = ast_test_flag(ast_channel_flags(chan), AST_FLAG_SUBROUTINE_EXEC);
   ast_set_flag(ast_channel_flags(chan), AST_FLAG_SUBROUTINE_EXEC);

   /* Setup environment for new run */
   ast_channel_exten_set(chan, my_macro_exten);
   ast_channel_context_set(chan, fullmacro);
   ast_channel_priority_set(chan, 1);

   while((cur = strsep(&rest, ",")) && (argc < MAX_ARGS)) {
      const char *argp;
      /* Save copy of old arguments if we're overwriting some, otherwise
         let them pass through to the other macro */
      snprintf(varname, sizeof(varname), "ARG%d", argc);
      if ((argp = pbx_builtin_getvar_helper(chan, varname))) {
         oldargs[argc] = ast_strdup(argp);
      }
      pbx_builtin_setvar_helper(chan, varname, cur);
      argc++;
   }
   autoloopflag = ast_test_flag(ast_channel_flags(chan), AST_FLAG_IN_AUTOLOOP);
   ast_set_flag(ast_channel_flags(chan), AST_FLAG_IN_AUTOLOOP);
   ast_channel_unlock(chan);

   while (ast_exists_extension(chan, ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan),
      S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
      struct ast_context *c;
      struct ast_exten *e;
      int foundx;
      runningapp[0] = '\0';
      runningdata[0] = '\0';

      /* What application will execute? */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_WARNING, "Failed to lock contexts list\n");
      } else {
         for (c = ast_walk_contexts(NULL), e = NULL; c; c = ast_walk_contexts(c)) {
            if (!strcmp(ast_get_context_name(c), ast_channel_context(chan))) {
               if (ast_rdlock_context(c)) {
                  ast_log(LOG_WARNING, "Unable to lock context?\n");
               } else {
                  e = find_matching_priority(c, ast_channel_exten(chan), ast_channel_priority(chan),
                     S_COR(ast_channel_caller(chan)->id.number.valid,
                     ast_channel_caller(chan)->id.number.str, NULL),
                     0, &had_infinite_include_error);
                  if (e) { /* This will only be undefined for pbx_realtime, which is majorly broken. */
                     ast_copy_string(runningapp, ast_get_extension_app(e), sizeof(runningapp));
                     ast_copy_string(runningdata, ast_get_extension_app_data(e), sizeof(runningdata));
                  }
                  ast_unlock_context(c);
               }
               break;
            }
         }
      }
      ast_unlock_contexts();

      /* Reset the macro depth, if it was changed in the last iteration */
      pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);

      res = ast_spawn_extension(chan, ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan),
         S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL),
         &foundx, 1);
      if (res) {
         /* Something bad happened, or a hangup has been requested. */
         if (((res >= '0') && (res <= '9')) || ((res >= 'A') && (res <= 'F')) ||
            (res == '*') || (res == '#')) {
            /* Just return result as to the previous application as if it had been dialed */
            ast_debug(1, "Oooh, got something to jump out with ('%c')!\n", res);
            break;
         }
         switch(res) {
         case MACRO_EXIT_RESULT:
            res = 0;
            goto out;
         default:
            ast_debug(2, "Spawn extension (%s,%s,%d) exited non-zero on '%s' in macro '%s'\n", ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan), ast_channel_name(chan), macro);
            ast_verb(2, "Spawn extension (%s, %s, %d) exited non-zero on '%s' in macro '%s'\n", ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan), ast_channel_name(chan), macro);
            goto out;
         }
      }

      ast_debug(1, "Executed application: %s\n", runningapp);

      if (!strcasecmp(runningapp, "GOSUB")) {
         gosub_level++;
         ast_debug(1, "Incrementing gosub_level\n");
      } else if (!strcasecmp(runningapp, "GOSUBIF")) {
         char *cond, *app_arg;
         char *app2;
         ast_str_substitute_variables(&tmp_subst, 0, chan, runningdata);
         app2 = ast_str_buffer(tmp_subst);
         cond = strsep(&app2, "?");
         app_arg = strsep(&app2, ":");
         if (pbx_checkcondition(cond)) {
            if (!ast_strlen_zero(app_arg)) {
               gosub_level++;
               ast_debug(1, "Incrementing gosub_level\n");
            }
         } else {
            if (!ast_strlen_zero(app2)) {
               gosub_level++;
               ast_debug(1, "Incrementing gosub_level\n");
            }
         }
      } else if (!strcasecmp(runningapp, "RETURN")) {
         gosub_level--;
         ast_debug(1, "Decrementing gosub_level\n");
      } else if (!strcasecmp(runningapp, "STACKPOP")) {
         gosub_level--;
         ast_debug(1, "Decrementing gosub_level\n");
      } else if (!strncasecmp(runningapp, "EXEC", 4)) {
         /* Must evaluate args to find actual app */
         char *tmp2, *tmp3 = NULL;
         ast_str_substitute_variables(&tmp_subst, 0, chan, runningdata);
         tmp2 = ast_str_buffer(tmp_subst);
         if (!strcasecmp(runningapp, "EXECIF")) {
            if ((tmp3 = strchr(tmp2, '|'))) {
               *tmp3++ = '\0';
            }
            if (!pbx_checkcondition(tmp2)) {
               tmp3 = NULL;
            }
         } else {
            tmp3 = tmp2;
         }

         if (tmp3) {
            ast_debug(1, "Last app: %s\n", tmp3);
         }

         if (tmp3 && !strncasecmp(tmp3, "GOSUB", 5)) {
            gosub_level++;
            ast_debug(1, "Incrementing gosub_level\n");
         } else if (tmp3 && !strncasecmp(tmp3, "RETURN", 6)) {
            gosub_level--;
            ast_debug(1, "Decrementing gosub_level\n");
         } else if (tmp3 && !strncasecmp(tmp3, "STACKPOP", 8)) {
            gosub_level--;
            ast_debug(1, "Decrementing gosub_level\n");
         }
      }

      if (gosub_level == 0 && strcasecmp(ast_channel_context(chan), fullmacro)) {
         ast_verb(2, "Channel '%s' jumping out of macro '%s'\n", ast_channel_name(chan), macro);
         break;
      }

      /* don't stop executing extensions when we're in "h" */
      if (ast_check_hangup(chan) && !inhangup) {
         ast_debug(1, "Extension %s, macroexten %s, priority %d returned normally even though call was hung up\n",
            ast_channel_exten(chan),
            ast_channel_macroexten(chan),
            ast_channel_priority(chan));
         goto out;
      }
      ast_channel_priority_set(chan, ast_channel_priority(chan) + 1);
   }
   out:

   /* Don't let the channel change now. */
   ast_channel_lock(chan);

   /* Reset the depth back to what it was when the routine was entered (like if we called Macro recursively) */
   snprintf(depthc, sizeof(depthc), "%d", depth);
   pbx_builtin_setvar_helper(chan, "MACRO_DEPTH", depthc);
   ast_set2_flag(ast_channel_flags(chan), autoloopflag, AST_FLAG_IN_AUTOLOOP);
   ast_set2_flag(ast_channel_flags(chan), save_in_subroutine, AST_FLAG_SUBROUTINE_EXEC);

   for (x = 1; x < argc; x++) {
      /* Restore old arguments and delete ours */
      snprintf(varname, sizeof(varname), "ARG%d", x);
      pbx_builtin_setvar_helper(chan, varname, oldargs[x]);
      ast_free(oldargs[x]);
   }

   /* Restore macro variables */
   pbx_builtin_setvar_helper(chan, "MACRO_EXTEN", save_macro_exten);
   pbx_builtin_setvar_helper(chan, "MACRO_CONTEXT", save_macro_context);
   pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", save_macro_priority);
   ast_free(save_macro_exten);
   ast_free(save_macro_context);
   ast_free(save_macro_priority);

   if (setmacrocontext) {
      ast_channel_macrocontext_set(chan, "");
      ast_channel_macroexten_set(chan, "");
      ast_channel_macropriority_set(chan, 0);
   }

   if (!strcasecmp(ast_channel_context(chan), fullmacro)
      && !(ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_ASYNCGOTO)) {
      const char *offsets;

      /* If we're leaving the macro normally, restore original information */
      ast_channel_priority_set(chan, oldpriority);
      ast_channel_context_set(chan, oldcontext);
      ast_channel_exten_set(chan, oldexten);
      if ((offsets = pbx_builtin_getvar_helper(chan, "MACRO_OFFSET"))) {
         /* Handle macro offset if it's set by checking the availability of step n + offset + 1, otherwise continue
         normally if there is any problem */
         if (sscanf(offsets, "%30d", &offset) == 1) {
            if (ast_exists_extension(chan, ast_channel_context(chan), ast_channel_exten(chan),
               ast_channel_priority(chan) + offset + 1,
               S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL))) {
               ast_channel_priority_set(chan, ast_channel_priority(chan) + offset);
            }
         }
      }
   }

   pbx_builtin_setvar_helper(chan, "MACRO_OFFSET", save_macro_offset);
   ast_free(save_macro_offset);

   /* Unlock the macro */
   if (exclusive) {
      ast_debug(1, "Unlocking macrolock for '%s'\n", fullmacro);
      if (ast_context_unlockmacro(fullmacro)) {
         ast_log(LOG_ERROR, "Failed to unlock macro '%s' - that isn't good\n", fullmacro);
         res = 0;
      }
   }
   ast_channel_unlock(chan);
   ast_free(tmp_subst);

   return res;
}

AST_MODULE_INFO_STANDARD_DEPRECATED()

AST_MODULE_INFO_STANDARD_DEPRECATED	(	ASTERISK_GPL_KEY	,
		"Extension Macros"
	)

Referenced by load_module().

find_matching_priority()

static struct ast_exten* find_matching_priority ( struct ast_context *  c, const char *  exten, int  priority, const char *  callerid, int  iter, int *  had_error  )

static

Definition at line 190 of file app_macro.c.

References ast_context_includes_count(), ast_context_includes_get(), ast_extension_match(), ast_get_context_name(), ast_get_extension_cidmatch(), ast_get_extension_matchcid(), ast_get_extension_name(), ast_get_extension_priority(), ast_get_include_name(), ast_log, AST_PBX_MAX_STACK, ast_walk_context_extensions(), ast_walk_contexts(), ast_walk_extension_priorities(), LOG_ERROR, and NULL.

Referenced by _macro_exec().

{
   struct ast_exten *e;
   struct ast_context *c2;
   int idx;

   if (iter >= AST_PBX_MAX_STACK) {
      if (!(*had_error)) {
         *had_error = 1;
         ast_log(LOG_ERROR, "Potential infinite loop detected, will not recurse further.\n");
      }
      return NULL;
   }

   for (e=ast_walk_context_extensions(c, NULL); e; e=ast_walk_context_extensions(c, e)) {
      if (ast_extension_match(ast_get_extension_name(e), exten)) {
         int needmatch = ast_get_extension_matchcid(e);
         if ((needmatch && ast_extension_match(ast_get_extension_cidmatch(e), callerid)) ||
            (!needmatch)) {
            /* This is the matching extension we want */
            struct ast_exten *p;
            for (p=ast_walk_extension_priorities(e, NULL); p; p=ast_walk_extension_priorities(e, p)) {
               if (priority != ast_get_extension_priority(p))
                  continue;
               return p;
            }
         }
      }
   }

   /* No match; run through includes */
   for (idx = 0; idx < ast_context_includes_count(c); idx++) {
      const struct ast_include *i = ast_context_includes_get(c, idx);

      for (c2=ast_walk_contexts(NULL); c2; c2=ast_walk_contexts(c2)) {
         if (!strcmp(ast_get_context_name(c2), ast_get_include_name(i))) {
            e = find_matching_priority(c2, exten, priority, callerid, iter + 1, had_error);
            if (e)
               return e;
         }
      }
   }
   return NULL;
}

load_module()

static int load_module ( void  )

static

Definition at line 677 of file app_macro.c.

References app, AST_MODULE_INFO_STANDARD_DEPRECATED(), ast_register_application_xml, ASTERISK_GPL_KEY, exclusive_app, exit_app, if_app, macro_exec(), macro_exit_exec(), macroexclusive_exec(), and macroif_exec().

{
   int res;

   res = ast_register_application_xml(exit_app, macro_exit_exec);
   res |= ast_register_application_xml(if_app, macroif_exec);
   res |= ast_register_application_xml(exclusive_app, macroexclusive_exec);
   res |= ast_register_application_xml(app, macro_exec);

   return res;
}

macro_exec()

static int macro_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 626 of file app_macro.c.

References _macro_exec().

Referenced by load_module(), and macroif_exec().

{
   return _macro_exec(chan, data, 0);
}

macro_exit_exec()

static int macro_exit_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 660 of file app_macro.c.

References MACRO_EXIT_RESULT.

Referenced by load_module().

{
   return MACRO_EXIT_RESULT;
}

macro_fixup()

static void macro_fixup ( void *  data, struct ast_channel *  old_chan, struct ast_channel *  new_chan  )

static

Definition at line 172 of file app_macro.c.

References NULL, pbx_builtin_getvar_helper(), and pbx_builtin_setvar_helper().

{
   int i;
   char varname[10];
   pbx_builtin_setvar_helper(new_chan, "MACRO_DEPTH", "0");
   pbx_builtin_setvar_helper(new_chan, "MACRO_CONTEXT", NULL);
   pbx_builtin_setvar_helper(new_chan, "MACRO_EXTEN", NULL);
   pbx_builtin_setvar_helper(new_chan, "MACRO_PRIORITY", NULL);
   pbx_builtin_setvar_helper(new_chan, "MACRO_OFFSET", NULL);
   for (i = 1; i < 100; i++) {
      snprintf(varname, sizeof(varname), "ARG%d", i);
      while (pbx_builtin_getvar_helper(new_chan, varname)) {
         /* Kill all levels of arguments */
         pbx_builtin_setvar_helper(new_chan, varname, NULL);
      }
   }
}

macroexclusive_exec()

static int macroexclusive_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 631 of file app_macro.c.

References _macro_exec().

Referenced by load_module().

{
   return _macro_exec(chan, data, 1);
}

macroif_exec()

static int macroif_exec ( struct ast_channel *  chan, const char *  data  )

static

Definition at line 636 of file app_macro.c.

References ast_log, ast_strdupa, LOG_WARNING, macro_exec(), NULL, and pbx_checkcondition().

Referenced by load_module().

{
   char *expr = NULL, *label_a = NULL, *label_b = NULL;
   int res = 0;

   expr = ast_strdupa(data);

   if ((label_a = strchr(expr, '?'))) {
      *label_a = '\0';
      label_a++;
      if ((label_b = strchr(label_a, ':'))) {
         *label_b = '\0';
         label_b++;
      }
      if (pbx_checkcondition(expr))
         res = macro_exec(chan, label_a);
      else if (label_b)
         res = macro_exec(chan, label_b);
   } else
      ast_log(LOG_WARNING, "Invalid Syntax.\n");

   return res;
}

unload_module()

static int unload_module ( void  )

static

Definition at line 665 of file app_macro.c.

References app, ast_unregister_application(), exclusive_app, exit_app, and if_app.

{
   int res;

   res = ast_unregister_application(if_app);
   res |= ast_unregister_application(exit_app);
   res |= ast_unregister_application(app);
   res |= ast_unregister_application(exclusive_app);

   return res;
}

Variable Documentation

app

char* app = "Macro"

static

Definition at line 160 of file app_macro.c.

Referenced by load_module(), and unload_module().

exclusive_app

char* exclusive_app = "MacroExclusive"

static

Definition at line 162 of file app_macro.c.

Referenced by load_module(), and unload_module().

exit_app

char* exit_app = "MacroExit"

static

Definition at line 163 of file app_macro.c.

Referenced by load_module(), and unload_module().

if_app

char* if_app = "MacroIf"

static

Definition at line 161 of file app_macro.c.

Referenced by load_module(), and unload_module().

macro_ds_info

const struct ast_datastore_info macro_ds_info

static

Initial value:

= {
   .type = "MACRO",
   .chan_fixup = macro_fixup,
}

Definition at line 167 of file app_macro.c.