Make the cancellation of the dial timeout on a call forward optional.

This introduces the 'z' option to app_dial. With it set, a call forward
will cancel any timeout originally set for this instance of the Dial
application.

AST-207

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@188544 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/apps/app_dial.c b/apps/app_dial.c
index 573e4c5..ea4c5ba 100644 (file)
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -370,6 +370,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
                                        <para>Allow the calling party to enable recording of the call by sending
                                        the DTMF sequence defined for one-touch automixmonitor in <filename>features.conf</filename>.</para>
                                </option>
+                               <option name="z">
+                                       <para>On a call forward, cancel any dial timeout which has been set for this call.</para>
+                               </option>
                                </optionlist>
                        </parameter>
                        <parameter name="URL">
@@ -502,6 +505,7 @@ enum {
 #define OPT_CANCEL_ELSEWHERE ((uint64_t)1 << 34)
 #define OPT_PEER_H           ((uint64_t)1 << 35)
 #define OPT_CALLEE_GO_ON     ((uint64_t)1 << 36)
+#define OPT_CANCEL_TIMEOUT   ((uint64_t)1 << 37)
 
 enum {
        OPT_ARG_ANNOUNCE = 0,
@@ -554,6 +558,7 @@ AST_APP_OPTIONS(dial_exec_options, BEGIN_OPTIONS
        AST_APP_OPTION('W', OPT_CALLER_MONITOR),
        AST_APP_OPTION('x', OPT_CALLEE_MIXMONITOR),
        AST_APP_OPTION('X', OPT_CALLER_MIXMONITOR),
+       AST_APP_OPTION('z', OPT_CANCEL_TIMEOUT),
 END_OPTIONS );
 
 #define CAN_EARLY_BRIDGE(flags,chan,peer) (!ast_test_flag64(flags, OPT_CALLEE_HANGUP | \
@@ -712,7 +717,7 @@ static void senddialendevent(const struct ast_channel *src, const char *dialstat
  * the outgoing channel without properly deleting it.
  */
 static void do_forward(struct chanlist *o,
-       struct cause_args *num, struct ast_flags64 *peerflags, int single)
+       struct cause_args *num, struct ast_flags64 *peerflags, int single, int *to)
 {
        char tmpchan[256];
        struct ast_channel *original = o->chan;
@@ -789,6 +794,9 @@ static void do_forward(struct chanlist *o,
                ast_channel_update_redirecting(in, apr);
 
                ast_clear_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE);
+               if (ast_test_flag64(peerflags, OPT_CANCEL_TIMEOUT)) {
+                       *to = -1;
+               }
 
                ast_channel_unlock(in);
                ast_channel_unlock(c);
@@ -942,7 +950,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
                                continue;
                        /* here, o->chan == c == winner */
                        if (!ast_strlen_zero(c->call_forward)) {
-                               do_forward(o, &num, peerflags, single);
+                               do_forward(o, &num, peerflags, single, to);
                                continue;
                        }
                        f = ast_read(winner);
@@ -1735,7 +1743,7 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
                outbound_group = ast_strdupa(outbound_group);
        }
        ast_channel_unlock(chan);       
-       ast_copy_flags64(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING | OPT_IGNORE_CONNECTEDLINE);
+       ast_copy_flags64(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING | OPT_IGNORE_CONNECTEDLINE | OPT_CANCEL_TIMEOUT);
 
        /* loop through the list of dial destinations */
        rest = args.peers;