#include "asterisk.h"
#include <sys/time.h>
#include <signal.h>
#include "asterisk/channel.h"
#include "asterisk/utils.h"
#include "asterisk/lock.h"
#include "asterisk/linkedlists.h"
#include "asterisk/dial.h"
#include "asterisk/pbx.h"
#include "asterisk/musiconhold.h"
#include "asterisk/app.h"
Go to the source code of this file.
Data Structures | |
struct | answer_exec_struct |
Structure for 'ANSWER_EXEC' option. More... | |
struct | ast_dial |
Main dialing structure. Contains global options, channels being dialed, and more! More... | |
struct | ast_dial_channel |
Dialing channel structure. Contains per-channel dialing options, asterisk channel, and more! More... | |
struct | ast_option_types |
Options structure - maps options to respective handlers (enable/disable). This list MUST be perfectly kept in order, or else madness will happen. More... | |
Defines | |
#define | AST_MAX_WATCHERS 256 |
Maximum number of channels we can watch at a time. | |
#define | FIND_RELATIVE_OPTION(dial, dial_channel, ast_dial_option) (dial_channel->options[ast_dial_option] ? dial_channel->options[ast_dial_option] : dial->options[ast_dial_option]) |
Macro for finding the option structure to use on a dialed channel. | |
#define | IS_CALLER(chan, owner) (chan == owner ? 1 : 0) |
Macro that determines whether a channel is the caller or not. | |
Typedefs | |
typedef int(*) | ast_dial_option_cb_disable (void *data) |
Typedef for dial option disable. | |
typedef void *(*) | ast_dial_option_cb_enable (void *data) |
Typedef for dial option enable. | |
Functions | |
static int | answer_exec_disable (void *data) |
Disable function for 'ANSWER_EXEC' option. | |
static void * | answer_exec_enable (void *data) |
Enable function for 'ANSWER_EXEC' option. | |
static void | answer_exec_run (struct ast_dial *dial, struct ast_dial_channel *dial_channel, char *app, char *args) |
Application execution function for 'ANSWER_EXEC' option. | |
ast_channel * | ast_dial_answered (struct ast_dial *dial) |
Return channel that answered. | |
ast_channel * | ast_dial_answered_steal (struct ast_dial *dial) |
Steal the channel that answered. | |
int | ast_dial_append (struct ast_dial *dial, const char *tech, const char *device) |
Append a channel. | |
ast_dial * | ast_dial_create (void) |
New dialing structure. | |
int | ast_dial_destroy (struct ast_dial *dial) |
Destroys a dialing structure. | |
void | ast_dial_hangup (struct ast_dial *dial) |
Hangup channels. | |
enum ast_dial_result | ast_dial_join (struct ast_dial *dial) |
Cancel async thread. | |
int | ast_dial_option_disable (struct ast_dial *dial, int num, enum ast_dial_option option) |
Disables an option per channel. | |
int | ast_dial_option_enable (struct ast_dial *dial, int num, enum ast_dial_option option, void *data) |
Enables an option per channel. | |
int | ast_dial_option_global_disable (struct ast_dial *dial, enum ast_dial_option option) |
Disables an option globally. | |
int | ast_dial_option_global_enable (struct ast_dial *dial, enum ast_dial_option option, void *data) |
Enables an option globally. | |
enum ast_dial_result | ast_dial_run (struct ast_dial *dial, struct ast_channel *chan, int async) |
Execute dialing synchronously or asynchronously. | |
void | ast_dial_set_global_timeout (struct ast_dial *dial, int timeout) |
Set the maximum time (globally) allowed for trying to ring phones. | |
void | ast_dial_set_state_callback (struct ast_dial *dial, ast_dial_state_callback callback) |
Set a callback for state changes. | |
void | ast_dial_set_timeout (struct ast_dial *dial, int num, int timeout) |
Set the maximum time (per channel) allowed for trying to ring the phone. | |
enum ast_dial_result | ast_dial_state (struct ast_dial *dial) |
Return state of dial. | |
static void * | async_dial (void *data) |
Dial async thread function. | |
static int | begin_dial (struct ast_dial *dial, struct ast_channel *chan) |
Helper function that does the beginning dialing per dial structure. | |
static int | begin_dial_channel (struct ast_dial_channel *channel, struct ast_channel *chan) |
Helper function that does the beginning dialing per-appended channel. | |
static struct ast_dial_channel * | find_dial_channel (struct ast_dial *dial, int num) |
Helper function for finding a channel in a dial structure based on number. | |
static struct ast_dial_channel * | find_relative_dial_channel (struct ast_dial *dial, struct ast_channel *owner) |
Helper function that finds the dialed channel based on owner. | |
static int | handle_call_forward (struct ast_dial *dial, struct ast_dial_channel *channel, struct ast_channel *chan) |
Helper function to handle channels that have been call forwarded. | |
static void | handle_frame (struct ast_dial *dial, struct ast_dial_channel *channel, struct ast_frame *fr, struct ast_channel *chan) |
Helper function that handles control frames WITH owner. | |
static void | handle_frame_ownerless (struct ast_dial *dial, struct ast_dial_channel *channel, struct ast_frame *fr) |
Helper function that handles control frames WITHOUT owner. | |
static int | handle_timeout_trip (struct ast_dial *dial, struct timeval start) |
Helper function to handle when a timeout occurs on dialing attempt. | |
static enum ast_dial_result | monitor_dial (struct ast_dial *dial, struct ast_channel *chan) |
Helper function that basically keeps tabs on dialing attempts. | |
static int | music_disable (void *data) |
static void * | music_enable (void *data) |
static void | set_state (struct ast_dial *dial, enum ast_dial_result state) |
Variables | |
static struct ast_option_types | option_types [] |
Options structure - maps options to respective handlers (enable/disable). This list MUST be perfectly kept in order, or else madness will happen. |
Definition in file dial.c.
#define AST_MAX_WATCHERS 256 |
#define FIND_RELATIVE_OPTION | ( | dial, | |||
dial_channel, | |||||
ast_dial_option | ) | (dial_channel->options[ast_dial_option] ? dial_channel->options[ast_dial_option] : dial->options[ast_dial_option]) |
Macro for finding the option structure to use on a dialed channel.
Definition at line 181 of file dial.c.
Referenced by handle_call_forward(), and monitor_dial().
#define IS_CALLER | ( | chan, | |||
owner | ) | (chan == owner ? 1 : 0) |
Macro that determines whether a channel is the caller or not.
Definition at line 184 of file dial.c.
Referenced by monitor_dial().
typedef int(*) ast_dial_option_cb_disable(void *data) |
typedef void*(*) ast_dial_option_cb_enable(void *data) |
static int answer_exec_disable | ( | void * | data | ) | [static] |
Disable function for 'ANSWER_EXEC' option.
Definition at line 107 of file dial.c.
References answer_exec_struct::args, and ast_free.
00108 { 00109 struct answer_exec_struct *answer_exec = data; 00110 00111 /* Make sure we have a value */ 00112 if (!answer_exec) 00113 return -1; 00114 00115 /* If arguments are present, free them too */ 00116 if (answer_exec->args) 00117 ast_free(answer_exec->args); 00118 00119 /* This is simple - just free the structure */ 00120 ast_free(answer_exec); 00121 00122 return 0; 00123 }
static void* answer_exec_enable | ( | void * | data | ) | [static] |
Enable function for 'ANSWER_EXEC' option.
Definition at line 81 of file dial.c.
References app, args, ast_calloc, ast_copy_string(), ast_strdup, ast_strdupa, and ast_strlen_zero().
00082 { 00083 struct answer_exec_struct *answer_exec = NULL; 00084 char *app = ast_strdupa((char*)data), *args = NULL; 00085 00086 /* Not giving any data to this option is bad, mmmk? */ 00087 if (ast_strlen_zero(app)) 00088 return NULL; 00089 00090 /* Create new data structure */ 00091 if (!(answer_exec = ast_calloc(1, sizeof(*answer_exec)))) 00092 return NULL; 00093 00094 /* Parse out application and arguments */ 00095 if ((args = strchr(app, ','))) { 00096 *args++ = '\0'; 00097 answer_exec->args = ast_strdup(args); 00098 } 00099 00100 /* Copy application name */ 00101 ast_copy_string(answer_exec->app, app, sizeof(answer_exec->app)); 00102 00103 return answer_exec; 00104 }
static void answer_exec_run | ( | struct ast_dial * | dial, | |
struct ast_dial_channel * | dial_channel, | |||
char * | app, | |||
char * | args | |||
) | [static] |
Application execution function for 'ANSWER_EXEC' option.
Definition at line 141 of file dial.c.
References ast_hangup(), ast_mutex_lock, ast_mutex_unlock, AST_PTHREADT_STOP, ast_dial::lock, ast_dial_channel::owner, pbx_exec(), pbx_findapp(), and ast_dial::thread.
Referenced by monitor_dial().
00142 { 00143 struct ast_channel *chan = dial_channel->owner; 00144 struct ast_app *ast_app = pbx_findapp(app); 00145 00146 /* If the application was not found, return immediately */ 00147 if (!ast_app) 00148 return; 00149 00150 /* All is well... execute the application */ 00151 pbx_exec(chan, ast_app, args); 00152 00153 /* If another thread is not taking over hang up the channel */ 00154 ast_mutex_lock(&dial->lock); 00155 if (dial->thread != AST_PTHREADT_STOP) { 00156 ast_hangup(chan); 00157 dial_channel->owner = NULL; 00158 } 00159 ast_mutex_unlock(&dial->lock); 00160 00161 return; 00162 }
struct ast_channel* ast_dial_answered | ( | struct ast_dial * | dial | ) |
Return channel that answered.
dial | Dialing structure |
Definition at line 739 of file dial.c.
References AST_DIAL_RESULT_ANSWERED, AST_LIST_FIRST, ast_dial::channels, and ast_dial::state.
Referenced by dial_trunk(), and sla_handle_dial_state_event().
00740 { 00741 if (!dial) 00742 return NULL; 00743 00744 return ((dial->state == AST_DIAL_RESULT_ANSWERED) ? AST_LIST_FIRST(&dial->channels)->owner : NULL); 00745 }
struct ast_channel* ast_dial_answered_steal | ( | struct ast_dial * | dial | ) |
Steal the channel that answered.
dial | Dialing structure |
Definition at line 751 of file dial.c.
References AST_DIAL_RESULT_ANSWERED, AST_LIST_FIRST, ast_dial::channels, and ast_dial::state.
Referenced by do_notify().
00752 { 00753 struct ast_channel *chan = NULL; 00754 00755 if (!dial) 00756 return NULL; 00757 00758 if (dial->state == AST_DIAL_RESULT_ANSWERED) { 00759 chan = AST_LIST_FIRST(&dial->channels)->owner; 00760 AST_LIST_FIRST(&dial->channels)->owner = NULL; 00761 } 00762 00763 return chan; 00764 }
int ast_dial_append | ( | struct ast_dial * | dial, | |
const char * | tech, | |||
const char * | device | |||
) |
Append a channel.
Definition at line 218 of file dial.c.
References ast_atomic_fetchadd_int(), ast_calloc, AST_LIST_INSERT_TAIL, ast_strdup, ast_dial::channels, ast_dial_channel::list, and ast_dial::num.
Referenced by dial_trunk(), do_notify(), page_exec(), and sla_ring_station().
00219 { 00220 struct ast_dial_channel *channel = NULL; 00221 00222 /* Make sure we have required arguments */ 00223 if (!dial || !tech || !device) 00224 return -1; 00225 00226 /* Allocate new memory for dialed channel structure */ 00227 if (!(channel = ast_calloc(1, sizeof(*channel)))) 00228 return -1; 00229 00230 /* Record technology and device for when we actually dial */ 00231 channel->tech = ast_strdup(tech); 00232 channel->device = ast_strdup(device); 00233 00234 /* Grab reference number from dial structure */ 00235 channel->num = ast_atomic_fetchadd_int(&dial->num, +1); 00236 00237 /* No timeout exists... yet */ 00238 channel->timeout = -1; 00239 00240 /* Insert into channels list */ 00241 AST_LIST_INSERT_TAIL(&dial->channels, channel, list); 00242 00243 return channel->num; 00244 }
struct ast_dial* ast_dial_create | ( | void | ) |
New dialing structure.
Definition at line 190 of file dial.c.
References ast_calloc, AST_LIST_HEAD_INIT, ast_mutex_init, and AST_PTHREADT_NULL.
Referenced by dial_trunk(), do_notify(), page_exec(), and sla_ring_station().
00191 { 00192 struct ast_dial *dial = NULL; 00193 00194 /* Allocate new memory for structure */ 00195 if (!(dial = ast_calloc(1, sizeof(*dial)))) 00196 return NULL; 00197 00198 /* Initialize list of channels */ 00199 AST_LIST_HEAD_INIT(&dial->channels); 00200 00201 /* Initialize thread to NULL */ 00202 dial->thread = AST_PTHREADT_NULL; 00203 00204 /* No timeout exists... yet */ 00205 dial->timeout = -1; 00206 dial->actual_timeout = -1; 00207 00208 /* Can't forget about the lock */ 00209 ast_mutex_init(&dial->lock); 00210 00211 return dial; 00212 }
int ast_dial_destroy | ( | struct ast_dial * | dial | ) |
Destroys a dialing structure.
dial | Dialing structure to free |
Definition at line 851 of file dial.c.
References AST_DIAL_OPTION_MAX, ast_free, ast_hangup(), AST_LIST_LOCK, AST_LIST_REMOVE_CURRENT, AST_LIST_TRAVERSE_SAFE_BEGIN, ast_dial::channels, ast_dial_channel::device, ast_dial_channel::list, option_types, ast_dial_channel::options, ast_dial_channel::owner, and ast_dial_channel::tech.
Referenced by dial_trunk(), do_notify(), page_exec(), run_station(), sla_hangup_stations(), sla_ring_station(), and sla_stop_ringing_station().
00852 { 00853 int i = 0; 00854 struct ast_dial_channel *channel = NULL; 00855 00856 if (!dial) 00857 return -1; 00858 00859 /* Hangup and deallocate all the dialed channels */ 00860 AST_LIST_LOCK(&dial->channels); 00861 AST_LIST_TRAVERSE_SAFE_BEGIN(&dial->channels, channel, list) { 00862 /* Disable any enabled options */ 00863 for (i = 0; i < AST_DIAL_OPTION_MAX; i++) { 00864 if (!channel->options[i]) 00865 continue; 00866 if (option_types[i].disable) 00867 option_types[i].disable(channel->options[i]); 00868 channel->options[i] = NULL; 00869 } 00870 /* Hang up channel if need be */ 00871 if (channel->owner) { 00872 ast_hangup(channel->owner); 00873 channel->owner = NULL; 00874 } 00875 /* Free structure */ 00876 ast_free(channel->tech); 00877 ast_free(channel->device); 00878 AST_LIST_REMOVE_CURRENT(list); 00879 ast_free(channel); 00880 } 00881 AST_LIST_TRAVERSE_SAFE_END; 00882 AST_LIST_UNLOCK(&dial->channels); 00883 00884 /* Disable any enabled options globally */ 00885 for (i = 0; i < AST_DIAL_OPTION_MAX; i++) { 00886 if (!dial->options[i]) 00887 continue; 00888 if (option_types[i].disable) 00889 option_types[i].disable(dial->options[i]); 00890 dial->options[i] = NULL; 00891 } 00892 00893 /* Lock be gone! */ 00894 ast_mutex_destroy(&dial->lock); 00895 00896 /* Free structure */ 00897 ast_free(dial); 00898 00899 return 0; 00900 }
void ast_dial_hangup | ( | struct ast_dial * | dial | ) |
Hangup channels.
dial | Dialing structure |
Definition at line 827 of file dial.c.
References ast_hangup(), AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_dial::channels, ast_dial_channel::list, and ast_dial_channel::owner.
Referenced by ast_dial_run(), and page_exec().
00828 { 00829 struct ast_dial_channel *channel = NULL; 00830 00831 if (!dial) 00832 return; 00833 00834 AST_LIST_LOCK(&dial->channels); 00835 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00836 if (channel->owner) { 00837 ast_hangup(channel->owner); 00838 channel->owner = NULL; 00839 } 00840 } 00841 AST_LIST_UNLOCK(&dial->channels); 00842 00843 return; 00844 }
enum ast_dial_result ast_dial_join | ( | struct ast_dial * | dial | ) |
Cancel async thread.
dial | Dialing structure |
Definition at line 779 of file dial.c.
References ast_channel_lock, ast_channel_unlock, AST_DIAL_RESULT_FAILED, AST_LIST_FIRST, AST_LIST_LOCK, AST_LIST_UNLOCK, ast_mutex_lock, ast_mutex_unlock, AST_PTHREADT_NULL, AST_PTHREADT_STOP, ast_softhangup(), AST_SOFTHANGUP_EXPLICIT, ast_dial::channels, ast_dial::lock, ast_dial::state, and ast_dial::thread.
Referenced by dial_trunk(), page_exec(), run_station(), sla_hangup_stations(), sla_ring_station(), and sla_stop_ringing_station().
00780 { 00781 pthread_t thread; 00782 00783 /* If the dial structure is not running in async, return failed */ 00784 if (dial->thread == AST_PTHREADT_NULL) 00785 return AST_DIAL_RESULT_FAILED; 00786 00787 /* Record thread */ 00788 thread = dial->thread; 00789 00790 /* Boom, commence locking */ 00791 ast_mutex_lock(&dial->lock); 00792 00793 /* Stop the thread */ 00794 dial->thread = AST_PTHREADT_STOP; 00795 00796 /* If the answered channel is running an application we have to soft hangup it, can't just poke the thread */ 00797 AST_LIST_LOCK(&dial->channels); 00798 if (AST_LIST_FIRST(&dial->channels)->is_running_app) { 00799 struct ast_channel *chan = AST_LIST_FIRST(&dial->channels)->owner; 00800 if (chan) { 00801 ast_channel_lock(chan); 00802 ast_softhangup(chan, AST_SOFTHANGUP_EXPLICIT); 00803 ast_channel_unlock(chan); 00804 } 00805 } else { 00806 /* Now we signal it with SIGURG so it will break out of it's waitfor */ 00807 pthread_kill(thread, SIGURG); 00808 } 00809 AST_LIST_UNLOCK(&dial->channels); 00810 00811 /* Yay done with it */ 00812 ast_mutex_unlock(&dial->lock); 00813 00814 /* Finally wait for the thread to exit */ 00815 pthread_join(thread, NULL); 00816 00817 /* Yay thread is all gone */ 00818 dial->thread = AST_PTHREADT_NULL; 00819 00820 return dial->state; 00821 }
int ast_dial_option_disable | ( | struct ast_dial * | dial, | |
int | num, | |||
enum ast_dial_option | option | |||
) |
Disables an option per channel.
dial | Dial structure | |
num | Channel number to disable option on | |
option | Option to disable |
Definition at line 1003 of file dial.c.
References AST_LIST_EMPTY, ast_dial::channels, ast_option_types::disable, find_dial_channel(), option_types, and ast_dial_channel::options.
01004 { 01005 struct ast_dial_channel *channel = NULL; 01006 01007 /* Ensure we have required arguments */ 01008 if (!dial || AST_LIST_EMPTY(&dial->channels)) 01009 return -1; 01010 01011 if (!(channel = find_dial_channel(dial, num))) 01012 return -1; 01013 01014 /* If the option is not enabled, return failure */ 01015 if (!channel->options[option]) 01016 return -1; 01017 01018 /* Execute callback of option to disable it if it exists */ 01019 if (option_types[option].disable) 01020 option_types[option].disable(channel->options[option]); 01021 01022 /* Finally disable the option on the structure */ 01023 channel->options[option] = NULL; 01024 01025 return 0; 01026 }
int ast_dial_option_enable | ( | struct ast_dial * | dial, | |
int | num, | |||
enum ast_dial_option | option, | |||
void * | data | |||
) |
Enables an option per channel.
dial | Dial structure | |
num | Channel number to enable option on | |
option | Option to enable | |
data | Data to pass to this option (not always needed) |
Definition at line 951 of file dial.c.
References AST_LIST_EMPTY, ast_dial::channels, ast_option_types::enable, find_dial_channel(), option_types, and ast_dial_channel::options.
00952 { 00953 struct ast_dial_channel *channel = NULL; 00954 00955 /* Ensure we have required arguments */ 00956 if (!dial || AST_LIST_EMPTY(&dial->channels)) 00957 return -1; 00958 00959 if (!(channel = find_dial_channel(dial, num))) 00960 return -1; 00961 00962 /* If the option is already enabled, return failure */ 00963 if (channel->options[option]) 00964 return -1; 00965 00966 /* Execute enable callback if it exists, if not simply make sure the value is set */ 00967 if (option_types[option].enable) 00968 channel->options[option] = option_types[option].enable(data); 00969 else 00970 channel->options[option] = (void*)1; 00971 00972 return 0; 00973 }
int ast_dial_option_global_disable | ( | struct ast_dial * | dial, | |
enum ast_dial_option | option | |||
) |
Disables an option globally.
dial | Dial structure to disable option on | |
option | Option to disable |
Definition at line 980 of file dial.c.
References ast_option_types::disable, option_types, and ast_dial::options.
00981 { 00982 /* If the option is not enabled, return failure */ 00983 if (!dial->options[option]) { 00984 return -1; 00985 } 00986 00987 /* Execute callback of option to disable if it exists */ 00988 if (option_types[option].disable) 00989 option_types[option].disable(dial->options[option]); 00990 00991 /* Finally disable option on the structure */ 00992 dial->options[option] = NULL; 00993 00994 return 0; 00995 }
int ast_dial_option_global_enable | ( | struct ast_dial * | dial, | |
enum ast_dial_option | option, | |||
void * | data | |||
) |
Enables an option globally.
dial | Dial structure to enable option on | |
option | Option to enable | |
data | Data to pass to this option (not always needed) |
Definition at line 908 of file dial.c.
References ast_option_types::enable, option_types, and ast_dial::options.
Referenced by do_notify(), and page_exec().
00909 { 00910 /* If the option is already enabled, return failure */ 00911 if (dial->options[option]) 00912 return -1; 00913 00914 /* Execute enable callback if it exists, if not simply make sure the value is set */ 00915 if (option_types[option].enable) 00916 dial->options[option] = option_types[option].enable(data); 00917 else 00918 dial->options[option] = (void*)1; 00919 00920 return 0; 00921 }
enum ast_dial_result ast_dial_run | ( | struct ast_dial * | dial, | |
struct ast_channel * | chan, | |||
int | async | |||
) |
Execute dialing synchronously or asynchronously.
Definition at line 699 of file dial.c.
References ast_debug, ast_dial_hangup(), AST_DIAL_RESULT_FAILED, AST_DIAL_RESULT_INVALID, AST_DIAL_RESULT_TRYING, AST_LIST_EMPTY, ast_pthread_create, async_dial(), begin_dial(), ast_dial::channels, monitor_dial(), ast_dial::state, and ast_dial::thread.
Referenced by dial_trunk(), do_notify(), page_exec(), and sla_ring_station().
00700 { 00701 enum ast_dial_result res = AST_DIAL_RESULT_TRYING; 00702 00703 /* Ensure required arguments are passed */ 00704 if (!dial || (!chan && !async)) { 00705 ast_debug(1, "invalid #1\n"); 00706 return AST_DIAL_RESULT_INVALID; 00707 } 00708 00709 /* If there are no channels to dial we can't very well try to dial them */ 00710 if (AST_LIST_EMPTY(&dial->channels)) { 00711 ast_debug(1, "invalid #2\n"); 00712 return AST_DIAL_RESULT_INVALID; 00713 } 00714 00715 /* Dial each requested channel */ 00716 if (!begin_dial(dial, chan)) 00717 return AST_DIAL_RESULT_FAILED; 00718 00719 /* If we are running async spawn a thread and send it away... otherwise block here */ 00720 if (async) { 00721 dial->state = AST_DIAL_RESULT_TRYING; 00722 /* Try to create a thread */ 00723 if (ast_pthread_create(&dial->thread, NULL, async_dial, dial)) { 00724 /* Failed to create the thread - hangup all dialed channels and return failed */ 00725 ast_dial_hangup(dial); 00726 res = AST_DIAL_RESULT_FAILED; 00727 } 00728 } else { 00729 res = monitor_dial(dial, chan); 00730 } 00731 00732 return res; 00733 }
void ast_dial_set_global_timeout | ( | struct ast_dial * | dial, | |
int | timeout | |||
) |
Set the maximum time (globally) allowed for trying to ring phones.
dial | The dial structure to apply the time limit to | |
timeout | Maximum time allowed |
Definition at line 1038 of file dial.c.
References ast_dial::actual_timeout, and ast_dial::timeout.
Referenced by do_notify(), and page_exec().
01039 { 01040 dial->timeout = timeout; 01041 01042 if (dial->timeout > 0 && (dial->actual_timeout > dial->timeout || dial->actual_timeout == -1)) 01043 dial->actual_timeout = dial->timeout; 01044 01045 return; 01046 }
void ast_dial_set_state_callback | ( | struct ast_dial * | dial, | |
ast_dial_state_callback | callback | |||
) |
Set a callback for state changes.
dial | The dial structure to watch for state changes | |
callback | the callback |
Definition at line 1028 of file dial.c.
References ast_dial::state_callback.
Referenced by sla_ring_station().
01029 { 01030 dial->state_callback = callback; 01031 }
void ast_dial_set_timeout | ( | struct ast_dial * | dial, | |
int | num, | |||
int | timeout | |||
) |
Set the maximum time (per channel) allowed for trying to ring the phone.
dial | The dial structure the channel belongs to | |
num | Channel number to set timeout on | |
timeout | Maximum time allowed |
Definition at line 1054 of file dial.c.
References ast_dial::actual_timeout, find_dial_channel(), and ast_dial_channel::timeout.
01055 { 01056 struct ast_dial_channel *channel = NULL; 01057 01058 if (!(channel = find_dial_channel(dial, num))) 01059 return; 01060 01061 channel->timeout = timeout; 01062 01063 if (channel->timeout > 0 && (dial->actual_timeout > channel->timeout || dial->actual_timeout == -1)) 01064 dial->actual_timeout = channel->timeout; 01065 01066 return; 01067 }
enum ast_dial_result ast_dial_state | ( | struct ast_dial * | dial | ) |
Return state of dial.
dial | Dialing structure |
Definition at line 770 of file dial.c.
References ast_dial::state.
Referenced by dial_trunk(), and sla_handle_dial_state_event().
00771 { 00772 return dial->state; 00773 }
static void* async_dial | ( | void * | data | ) | [static] |
Dial async thread function.
Definition at line 685 of file dial.c.
References monitor_dial().
Referenced by ast_dial_run().
00686 { 00687 struct ast_dial *dial = data; 00688 00689 /* This is really really simple... we basically pass monitor_dial a NULL owner and it changes it's behavior */ 00690 monitor_dial(dial, NULL); 00691 00692 return NULL; 00693 }
static int begin_dial | ( | struct ast_dial * | dial, | |
struct ast_channel * | chan | |||
) | [static] |
Helper function that does the beginning dialing per dial structure.
Definition at line 300 of file dial.c.
References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, begin_dial_channel(), ast_dial::channels, and ast_dial_channel::list.
Referenced by ast_dial_run().
00301 { 00302 struct ast_dial_channel *channel = NULL; 00303 int success = 0; 00304 00305 /* Iterate through channel list, requesting and calling each one */ 00306 AST_LIST_LOCK(&dial->channels); 00307 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00308 success += begin_dial_channel(channel, chan); 00309 } 00310 AST_LIST_UNLOCK(&dial->channels); 00311 00312 /* If number of failures matches the number of channels, then this truly failed */ 00313 return success; 00314 }
static int begin_dial_channel | ( | struct ast_dial_channel * | channel, | |
struct ast_channel * | chan | |||
) | [static] |
Helper function that does the beginning dialing per-appended channel.
Definition at line 247 of file dial.c.
References accountcode, ast_channel::adsicpe, ast_channel::appl, ast_call(), ast_channel_datastore_inherit(), ast_channel_inherit_variables(), ast_connected_line_copy_from_caller(), ast_copy_string(), AST_FORMAT_AUDIO_MASK, ast_hangup(), AST_MAX_EXTENSION, ast_party_redirecting_copy(), ast_poll_channel_add(), ast_request(), ast_string_field_set, ast_strlen_zero(), ast_verb, ast_dial_channel::cause, ast_channel::connected, ast_channel::data, ast_dial_channel::device, ast_channel::dialed, language, musicclass, ast_channel::musicclass, ast_channel::nativeformats, ast_dial_channel::owner, ast_channel::redirecting, ast_dial_channel::tech, ast_channel::transfercapability, ast_party_dialed::transit_network_select, and ast_channel::whentohangup.
Referenced by begin_dial(), and handle_call_forward().
00248 { 00249 char numsubst[AST_MAX_EXTENSION]; 00250 int res = 1; 00251 00252 /* Copy device string over */ 00253 ast_copy_string(numsubst, channel->device, sizeof(numsubst)); 00254 00255 /* If we fail to create our owner channel bail out */ 00256 if (!(channel->owner = ast_request(channel->tech, chan ? chan->nativeformats : AST_FORMAT_AUDIO_MASK, chan, numsubst, &channel->cause))) 00257 return -1; 00258 00259 channel->owner->appl = "AppDial2"; 00260 channel->owner->data = "(Outgoing Line)"; 00261 memset(&channel->owner->whentohangup, 0, sizeof(channel->owner->whentohangup)); 00262 00263 /* Inherit everything from he who spawned this dial */ 00264 if (chan) { 00265 ast_channel_inherit_variables(chan, channel->owner); 00266 ast_channel_datastore_inherit(chan, channel->owner); 00267 00268 /* Copy over callerid information */ 00269 ast_party_redirecting_copy(&channel->owner->redirecting, &chan->redirecting); 00270 00271 channel->owner->dialed.transit_network_select = chan->dialed.transit_network_select; 00272 00273 ast_connected_line_copy_from_caller(&channel->owner->connected, &chan->caller); 00274 00275 ast_string_field_set(channel->owner, language, chan->language); 00276 ast_string_field_set(channel->owner, accountcode, chan->accountcode); 00277 if (ast_strlen_zero(channel->owner->musicclass)) 00278 ast_string_field_set(channel->owner, musicclass, chan->musicclass); 00279 00280 channel->owner->adsicpe = chan->adsicpe; 00281 channel->owner->transfercapability = chan->transfercapability; 00282 } 00283 00284 /* Attempt to actually call this device */ 00285 if ((res = ast_call(channel->owner, numsubst, 0))) { 00286 res = 0; 00287 ast_hangup(channel->owner); 00288 channel->owner = NULL; 00289 } else { 00290 if (chan) 00291 ast_poll_channel_add(chan, channel->owner); 00292 res = 1; 00293 ast_verb(3, "Called %s\n", numsubst); 00294 } 00295 00296 return res; 00297 }
static struct ast_dial_channel* find_dial_channel | ( | struct ast_dial * | dial, | |
int | num | |||
) | [static] |
Helper function for finding a channel in a dial structure based on number.
Definition at line 925 of file dial.c.
References AST_LIST_LAST, AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_dial::channels, ast_dial_channel::list, and ast_dial_channel::num.
Referenced by ast_dial_option_disable(), ast_dial_option_enable(), and ast_dial_set_timeout().
00926 { 00927 struct ast_dial_channel *channel = AST_LIST_LAST(&dial->channels); 00928 00929 /* We can try to predict programmer behavior, the last channel they added is probably the one they wanted to modify */ 00930 if (channel->num == num) 00931 return channel; 00932 00933 /* Hrm not at the end... looking through the list it is! */ 00934 AST_LIST_LOCK(&dial->channels); 00935 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00936 if (channel->num == num) 00937 break; 00938 } 00939 AST_LIST_UNLOCK(&dial->channels); 00940 00941 return channel; 00942 }
static struct ast_dial_channel* find_relative_dial_channel | ( | struct ast_dial * | dial, | |
struct ast_channel * | owner | |||
) | [static] |
Helper function that finds the dialed channel based on owner.
Definition at line 356 of file dial.c.
References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_dial::channels, ast_dial_channel::list, and ast_dial_channel::owner.
Referenced by monitor_dial().
00357 { 00358 struct ast_dial_channel *channel = NULL; 00359 00360 AST_LIST_LOCK(&dial->channels); 00361 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00362 if (channel->owner == owner) 00363 break; 00364 } 00365 AST_LIST_UNLOCK(&dial->channels); 00366 00367 return channel; 00368 }
static int handle_call_forward | ( | struct ast_dial * | dial, | |
struct ast_dial_channel * | channel, | |||
struct ast_channel * | chan | |||
) | [static] |
Helper function to handle channels that have been call forwarded.
Definition at line 317 of file dial.c.
References AST_DIAL_OPTION_DISABLE_CALL_FORWARDING, ast_free, ast_hangup(), AST_LIST_UNLOCK, ast_strdup, ast_strdupa, begin_dial_channel(), ast_channel::call_forward, ast_dial::channels, ast_dial_channel::device, FIND_RELATIVE_OPTION, ast_dial_channel::owner, and ast_dial_channel::tech.
Referenced by monitor_dial().
00318 { 00319 struct ast_channel *original = channel->owner; 00320 char *tmp = ast_strdupa(channel->owner->call_forward); 00321 char *tech = "Local", *device = tmp, *stuff; 00322 00323 /* If call forwarding is disabled just drop the original channel and don't attempt to dial the new one */ 00324 if (FIND_RELATIVE_OPTION(dial, channel, AST_DIAL_OPTION_DISABLE_CALL_FORWARDING)) { 00325 ast_hangup(original); 00326 channel->owner = NULL; 00327 return 0; 00328 } 00329 00330 /* Figure out the new destination */ 00331 if ((stuff = strchr(tmp, '/'))) { 00332 *stuff++ = '\0'; 00333 tech = tmp; 00334 device = stuff; 00335 } 00336 00337 /* Drop old destination information */ 00338 ast_free(channel->tech); 00339 ast_free(channel->device); 00340 00341 /* Update the dial channel with the new destination information */ 00342 channel->tech = ast_strdup(tech); 00343 channel->device = ast_strdup(device); 00344 AST_LIST_UNLOCK(&dial->channels); 00345 00346 /* Finally give it a go... send it out into the world */ 00347 begin_dial_channel(channel, chan); 00348 00349 /* Drop the original channel */ 00350 ast_hangup(original); 00351 00352 return 0; 00353 }
static void handle_frame | ( | struct ast_dial * | dial, | |
struct ast_dial_channel * | channel, | |||
struct ast_frame * | fr, | |||
struct ast_channel * | chan | |||
) | [static] |
Helper function that handles control frames WITH owner.
Definition at line 379 of file dial.c.
References ast_channel_connected_line_macro(), ast_channel_redirecting_macro(), AST_CONTROL_ANSWER, AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_CONNECTED_LINE, AST_CONTROL_FLASH, AST_CONTROL_HOLD, AST_CONTROL_OFFHOOK, AST_CONTROL_PROCEEDING, AST_CONTROL_PROGRESS, AST_CONTROL_REDIRECTING, AST_CONTROL_RINGING, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, AST_CONTROL_VIDUPDATE, AST_DIAL_OPTION_MUSIC, AST_DIAL_RESULT_ANSWERED, AST_DIAL_RESULT_PROCEEDING, AST_DIAL_RESULT_PROGRESS, AST_DIAL_RESULT_RINGING, AST_FRAME_CONTROL, ast_hangup(), ast_indicate(), ast_indicate_data(), AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_REMOVE, AST_LIST_UNLOCK, ast_verb, ast_verbose, ast_dial::channels, ast_frame::data, ast_frame::datalen, ast_frame::frametype, ast_frame_subclass::integer, ast_dial_channel::list, ast_channel::name, option_verbose, ast_dial::options, ast_dial_channel::owner, ast_frame::ptr, set_state(), ast_frame::subclass, and VERBOSE_PREFIX_3.
Referenced by monitor_dial(), and socket_read().
00380 { 00381 if (fr->frametype == AST_FRAME_CONTROL) { 00382 switch (fr->subclass.integer) { 00383 case AST_CONTROL_ANSWER: 00384 ast_verb(3, "%s answered %s\n", channel->owner->name, chan->name); 00385 AST_LIST_LOCK(&dial->channels); 00386 AST_LIST_REMOVE(&dial->channels, channel, list); 00387 AST_LIST_INSERT_HEAD(&dial->channels, channel, list); 00388 AST_LIST_UNLOCK(&dial->channels); 00389 set_state(dial, AST_DIAL_RESULT_ANSWERED); 00390 break; 00391 case AST_CONTROL_BUSY: 00392 ast_verb(3, "%s is busy\n", channel->owner->name); 00393 ast_hangup(channel->owner); 00394 channel->owner = NULL; 00395 break; 00396 case AST_CONTROL_CONGESTION: 00397 ast_verb(3, "%s is circuit-busy\n", channel->owner->name); 00398 ast_hangup(channel->owner); 00399 channel->owner = NULL; 00400 break; 00401 case AST_CONTROL_RINGING: 00402 ast_verb(3, "%s is ringing\n", channel->owner->name); 00403 if (!dial->options[AST_DIAL_OPTION_MUSIC]) 00404 ast_indicate(chan, AST_CONTROL_RINGING); 00405 set_state(dial, AST_DIAL_RESULT_RINGING); 00406 break; 00407 case AST_CONTROL_PROGRESS: 00408 ast_verb(3, "%s is making progress, passing it to %s\n", channel->owner->name, chan->name); 00409 ast_indicate(chan, AST_CONTROL_PROGRESS); 00410 set_state(dial, AST_DIAL_RESULT_PROGRESS); 00411 break; 00412 case AST_CONTROL_VIDUPDATE: 00413 ast_verb(3, "%s requested a video update, passing it to %s\n", channel->owner->name, chan->name); 00414 ast_indicate(chan, AST_CONTROL_VIDUPDATE); 00415 break; 00416 case AST_CONTROL_SRCUPDATE: 00417 if (option_verbose > 2) 00418 ast_verbose (VERBOSE_PREFIX_3 "%s requested a source update, passing it to %s\n", channel->owner->name, chan->name); 00419 ast_indicate(chan, AST_CONTROL_SRCUPDATE); 00420 break; 00421 case AST_CONTROL_CONNECTED_LINE: 00422 ast_verb(3, "%s connected line has changed, passing it to %s\n", channel->owner->name, chan->name); 00423 if (ast_channel_connected_line_macro(channel->owner, chan, fr, 1, 1)) { 00424 ast_indicate_data(chan, AST_CONTROL_CONNECTED_LINE, fr->data.ptr, fr->datalen); 00425 } 00426 break; 00427 case AST_CONTROL_REDIRECTING: 00428 ast_verb(3, "%s redirecting info has changed, passing it to %s\n", channel->owner->name, chan->name); 00429 if (ast_channel_redirecting_macro(channel->owner, chan, fr, 1, 1)) { 00430 ast_indicate_data(chan, AST_CONTROL_REDIRECTING, fr->data.ptr, fr->datalen); 00431 } 00432 break; 00433 case AST_CONTROL_PROCEEDING: 00434 ast_verb(3, "%s is proceeding, passing it to %s\n", channel->owner->name, chan->name); 00435 ast_indicate(chan, AST_CONTROL_PROCEEDING); 00436 set_state(dial, AST_DIAL_RESULT_PROCEEDING); 00437 break; 00438 case AST_CONTROL_HOLD: 00439 ast_verb(3, "Call on %s placed on hold\n", chan->name); 00440 ast_indicate(chan, AST_CONTROL_HOLD); 00441 break; 00442 case AST_CONTROL_UNHOLD: 00443 ast_verb(3, "Call on %s left from hold\n", chan->name); 00444 ast_indicate(chan, AST_CONTROL_UNHOLD); 00445 break; 00446 case AST_CONTROL_OFFHOOK: 00447 case AST_CONTROL_FLASH: 00448 break; 00449 case -1: 00450 /* Prod the channel */ 00451 ast_indicate(chan, -1); 00452 break; 00453 default: 00454 break; 00455 } 00456 } 00457 00458 return; 00459 }
static void handle_frame_ownerless | ( | struct ast_dial * | dial, | |
struct ast_dial_channel * | channel, | |||
struct ast_frame * | fr | |||
) | [static] |
Helper function that handles control frames WITHOUT owner.
Definition at line 462 of file dial.c.
References AST_CONTROL_ANSWER, AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_PROCEEDING, AST_CONTROL_PROGRESS, AST_CONTROL_RINGING, AST_DIAL_RESULT_ANSWERED, AST_DIAL_RESULT_PROCEEDING, AST_DIAL_RESULT_PROGRESS, AST_DIAL_RESULT_RINGING, AST_FRAME_CONTROL, ast_hangup(), AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_REMOVE, AST_LIST_UNLOCK, ast_verb, ast_dial::channels, ast_frame::frametype, ast_frame_subclass::integer, ast_dial_channel::list, ast_channel::name, ast_dial_channel::owner, set_state(), and ast_frame::subclass.
Referenced by monitor_dial().
00463 { 00464 /* If we have no owner we can only update the state of the dial structure, so only look at control frames */ 00465 if (fr->frametype != AST_FRAME_CONTROL) 00466 return; 00467 00468 switch (fr->subclass.integer) { 00469 case AST_CONTROL_ANSWER: 00470 ast_verb(3, "%s answered\n", channel->owner->name); 00471 AST_LIST_LOCK(&dial->channels); 00472 AST_LIST_REMOVE(&dial->channels, channel, list); 00473 AST_LIST_INSERT_HEAD(&dial->channels, channel, list); 00474 AST_LIST_UNLOCK(&dial->channels); 00475 set_state(dial, AST_DIAL_RESULT_ANSWERED); 00476 break; 00477 case AST_CONTROL_BUSY: 00478 ast_verb(3, "%s is busy\n", channel->owner->name); 00479 ast_hangup(channel->owner); 00480 channel->owner = NULL; 00481 break; 00482 case AST_CONTROL_CONGESTION: 00483 ast_verb(3, "%s is circuit-busy\n", channel->owner->name); 00484 ast_hangup(channel->owner); 00485 channel->owner = NULL; 00486 break; 00487 case AST_CONTROL_RINGING: 00488 ast_verb(3, "%s is ringing\n", channel->owner->name); 00489 set_state(dial, AST_DIAL_RESULT_RINGING); 00490 break; 00491 case AST_CONTROL_PROGRESS: 00492 ast_verb(3, "%s is making progress\n", channel->owner->name); 00493 set_state(dial, AST_DIAL_RESULT_PROGRESS); 00494 break; 00495 case AST_CONTROL_PROCEEDING: 00496 ast_verb(3, "%s is proceeding\n", channel->owner->name); 00497 set_state(dial, AST_DIAL_RESULT_PROCEEDING); 00498 break; 00499 default: 00500 break; 00501 } 00502 00503 return; 00504 }
static int handle_timeout_trip | ( | struct ast_dial * | dial, | |
struct timeval | start | |||
) | [static] |
Helper function to handle when a timeout occurs on dialing attempt.
Definition at line 507 of file dial.c.
References AST_DIAL_RESULT_TIMEOUT, ast_hangup(), AST_LIST_TRAVERSE, ast_tvdiff_ms(), ast_tvnow(), ast_dial::channels, ast_dial_channel::list, ast_dial_channel::owner, set_state(), ast_dial::state, ast_dial_channel::timeout, and ast_dial::timeout.
Referenced by monitor_dial().
00508 { 00509 struct ast_dial_channel *channel = NULL; 00510 int diff = ast_tvdiff_ms(ast_tvnow(), start), lowest_timeout = -1, new_timeout = -1; 00511 00512 /* If the global dial timeout tripped switch the state to timeout so our channel loop will drop every channel */ 00513 if (diff >= dial->timeout) { 00514 set_state(dial, AST_DIAL_RESULT_TIMEOUT); 00515 new_timeout = 0; 00516 } 00517 00518 /* Go through dropping out channels that have met their timeout */ 00519 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00520 if (dial->state == AST_DIAL_RESULT_TIMEOUT || diff >= channel->timeout) { 00521 ast_hangup(channel->owner); 00522 channel->owner = NULL; 00523 } else if ((lowest_timeout == -1) || (lowest_timeout > channel->timeout)) { 00524 lowest_timeout = channel->timeout; 00525 } 00526 } 00527 00528 /* Calculate the new timeout using the lowest timeout found */ 00529 if (lowest_timeout >= 0) 00530 new_timeout = lowest_timeout - diff; 00531 00532 return new_timeout; 00533 }
static enum ast_dial_result monitor_dial | ( | struct ast_dial * | dial, | |
struct ast_channel * | chan | |||
) | [static] |
Helper function that basically keeps tabs on dialing attempts.
Definition at line 536 of file dial.c.
References ast_dial::actual_timeout, answer_exec_run(), answer_exec_struct::app, answer_exec_struct::args, AST_CONTROL_RINGING, AST_DIAL_OPTION_ANSWER_EXEC, AST_DIAL_OPTION_MUSIC, AST_DIAL_OPTION_RINGING, AST_DIAL_RESULT_ANSWERED, AST_DIAL_RESULT_HANGUP, AST_DIAL_RESULT_RINGING, AST_DIAL_RESULT_TIMEOUT, AST_DIAL_RESULT_TRYING, AST_DIAL_RESULT_UNANSWERED, ast_frfree, ast_hangup(), ast_indicate(), AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, AST_MAX_WATCHERS, ast_moh_start(), ast_moh_stop(), ast_poll_channel_del(), AST_PTHREADT_STOP, ast_read(), ast_strdupa, ast_string_field_set, ast_strlen_zero(), ast_tvnow(), ast_waitfor_n(), ast_channel::call_forward, ast_dial::channels, find_relative_dial_channel(), FIND_RELATIVE_OPTION, handle_call_forward(), handle_frame(), handle_frame_ownerless(), handle_timeout_trip(), IS_CALLER, ast_dial_channel::is_running_app, musicclass, ast_channel::musicclass, ast_dial::options, ast_dial_channel::owner, set_state(), ast_dial::state, and ast_dial::thread.
Referenced by ast_dial_run(), and async_dial().
00537 { 00538 int timeout = -1; 00539 struct ast_channel *cs[AST_MAX_WATCHERS], *who = NULL; 00540 struct ast_dial_channel *channel = NULL; 00541 struct answer_exec_struct *answer_exec = NULL; 00542 struct timeval start; 00543 00544 set_state(dial, AST_DIAL_RESULT_TRYING); 00545 00546 /* If the "always indicate ringing" option is set, change state to ringing and indicate to the owner if present */ 00547 if (dial->options[AST_DIAL_OPTION_RINGING]) { 00548 set_state(dial, AST_DIAL_RESULT_RINGING); 00549 if (chan) 00550 ast_indicate(chan, AST_CONTROL_RINGING); 00551 } else if (chan && dial->options[AST_DIAL_OPTION_MUSIC] && 00552 !ast_strlen_zero(dial->options[AST_DIAL_OPTION_MUSIC])) { 00553 char *original_moh = ast_strdupa(chan->musicclass); 00554 ast_indicate(chan, -1); 00555 ast_string_field_set(chan, musicclass, dial->options[AST_DIAL_OPTION_MUSIC]); 00556 ast_moh_start(chan, dial->options[AST_DIAL_OPTION_MUSIC], NULL); 00557 ast_string_field_set(chan, musicclass, original_moh); 00558 } 00559 00560 /* Record start time for timeout purposes */ 00561 start = ast_tvnow(); 00562 00563 /* We actually figured out the maximum timeout we can do as they were added, so we can directly access the info */ 00564 timeout = dial->actual_timeout; 00565 00566 /* Go into an infinite loop while we are trying */ 00567 while ((dial->state != AST_DIAL_RESULT_UNANSWERED) && (dial->state != AST_DIAL_RESULT_ANSWERED) && (dial->state != AST_DIAL_RESULT_HANGUP) && (dial->state != AST_DIAL_RESULT_TIMEOUT)) { 00568 int pos = 0, count = 0; 00569 struct ast_frame *fr = NULL; 00570 00571 /* Set up channel structure array */ 00572 pos = count = 0; 00573 if (chan) 00574 cs[pos++] = chan; 00575 00576 /* Add channels we are attempting to dial */ 00577 AST_LIST_LOCK(&dial->channels); 00578 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00579 if (channel->owner) { 00580 cs[pos++] = channel->owner; 00581 count++; 00582 } 00583 } 00584 AST_LIST_UNLOCK(&dial->channels); 00585 00586 /* If we have no outbound channels in progress, switch state to unanswered and stop */ 00587 if (!count) { 00588 set_state(dial, AST_DIAL_RESULT_UNANSWERED); 00589 break; 00590 } 00591 00592 /* Just to be safe... */ 00593 if (dial->thread == AST_PTHREADT_STOP) 00594 break; 00595 00596 /* Wait for frames from channels */ 00597 who = ast_waitfor_n(cs, pos, &timeout); 00598 00599 /* Check to see if our thread is being cancelled */ 00600 if (dial->thread == AST_PTHREADT_STOP) 00601 break; 00602 00603 /* If the timeout no longer exists OR if we got no channel it basically means the timeout was tripped, so handle it */ 00604 if (!timeout || !who) { 00605 timeout = handle_timeout_trip(dial, start); 00606 continue; 00607 } 00608 00609 /* Find relative dial channel */ 00610 if (!chan || !IS_CALLER(chan, who)) 00611 channel = find_relative_dial_channel(dial, who); 00612 00613 /* See if this channel has been forwarded elsewhere */ 00614 if (!ast_strlen_zero(who->call_forward)) { 00615 handle_call_forward(dial, channel, chan); 00616 continue; 00617 } 00618 00619 /* Attempt to read in a frame */ 00620 if (!(fr = ast_read(who))) { 00621 /* If this is the caller then we switch state to hangup and stop */ 00622 if (chan && IS_CALLER(chan, who)) { 00623 set_state(dial, AST_DIAL_RESULT_HANGUP); 00624 break; 00625 } 00626 if (chan) 00627 ast_poll_channel_del(chan, channel->owner); 00628 ast_hangup(who); 00629 channel->owner = NULL; 00630 continue; 00631 } 00632 00633 /* Process the frame */ 00634 if (chan) 00635 handle_frame(dial, channel, fr, chan); 00636 else 00637 handle_frame_ownerless(dial, channel, fr); 00638 00639 /* Free the received frame and start all over */ 00640 ast_frfree(fr); 00641 } 00642 00643 /* Do post-processing from loop */ 00644 if (dial->state == AST_DIAL_RESULT_ANSWERED) { 00645 /* Hangup everything except that which answered */ 00646 AST_LIST_LOCK(&dial->channels); 00647 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00648 if (!channel->owner || channel->owner == who) 00649 continue; 00650 if (chan) 00651 ast_poll_channel_del(chan, channel->owner); 00652 ast_hangup(channel->owner); 00653 channel->owner = NULL; 00654 } 00655 AST_LIST_UNLOCK(&dial->channels); 00656 /* If ANSWER_EXEC is enabled as an option, execute application on answered channel */ 00657 if ((channel = find_relative_dial_channel(dial, who)) && (answer_exec = FIND_RELATIVE_OPTION(dial, channel, AST_DIAL_OPTION_ANSWER_EXEC))) { 00658 channel->is_running_app = 1; 00659 answer_exec_run(dial, channel, answer_exec->app, answer_exec->args); 00660 channel->is_running_app = 0; 00661 } 00662 00663 if (chan && dial->options[AST_DIAL_OPTION_MUSIC] && 00664 !ast_strlen_zero(dial->options[AST_DIAL_OPTION_MUSIC])) { 00665 ast_moh_stop(chan); 00666 } 00667 } else if (dial->state == AST_DIAL_RESULT_HANGUP) { 00668 /* Hangup everything */ 00669 AST_LIST_LOCK(&dial->channels); 00670 AST_LIST_TRAVERSE(&dial->channels, channel, list) { 00671 if (!channel->owner) 00672 continue; 00673 if (chan) 00674 ast_poll_channel_del(chan, channel->owner); 00675 ast_hangup(channel->owner); 00676 channel->owner = NULL; 00677 } 00678 AST_LIST_UNLOCK(&dial->channels); 00679 } 00680 00681 return dial->state; 00682 }
static int music_disable | ( | void * | data | ) | [static] |
static void* music_enable | ( | void * | data | ) | [static] |
Definition at line 125 of file dial.c.
References ast_strdup.
00126 { 00127 return ast_strdup(data); 00128 }
static void set_state | ( | struct ast_dial * | dial, | |
enum ast_dial_result | state | |||
) | [static] |
Definition at line 370 of file dial.c.
References ast_dial::state, and ast_dial::state_callback.
00371 { 00372 dial->state = state; 00373 00374 if (dial->state_callback) 00375 dial->state_callback(dial); 00376 }
struct ast_option_types option_types[] [static] |
Options structure - maps options to respective handlers (enable/disable). This list MUST be perfectly kept in order, or else madness will happen.
Referenced by ast_dial_destroy(), ast_dial_option_disable(), ast_dial_option_enable(), ast_dial_option_global_disable(), and ast_dial_option_global_enable().