Implement max # of forwards (bug #2942, different strategy)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4351 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.2-netsec
Mark Spencer 21 years ago
parent aaf49c6f4c
commit 3050320746

@ -122,6 +122,7 @@ struct localuser {
int allowdisconnect_in;
int allowdisconnect_out;
int forcecallerid;
int forwards;
struct localuser *next;
};
@ -141,6 +142,8 @@ static void hanguptree(struct localuser *outgoing, struct ast_channel *exception
}
}
#define AST_MAX_FORWARDS 8
#define AST_MAX_WATCHERS 256
#define HANDLE_CAUSE(blah, bleh) do { \
@ -255,12 +258,21 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
tech = "Local";
}
/* Before processing channel, go ahead and check for forwarding */
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, o->chan->name);
/* Setup parameters */
o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
o->forwards++;
if (o->forwards < AST_MAX_FORWARDS) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, o->chan->name);
/* Setup parameters */
o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
if (!o->chan)
ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", o->chan->name);
cause = AST_CAUSE_CONGESTION;
o->chan = NULL;
}
if (!o->chan) {
ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
o->stillgoing = 0;
HANDLE_CAUSE(cause, in);
} else {
@ -804,14 +816,23 @@ static int dial_exec(struct ast_channel *chan, void *data)
stuff = tmpchan;
tech = "Local";
}
/* Before processing channel, go ahead and check for forwarding */
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
/* Setup parameters */
ast_hangup(tmp->chan);
tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
tmp->forwards++;
if (tmp->forwards < AST_MAX_FORWARDS) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
ast_hangup(tmp->chan);
/* Setup parameters */
tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
if (!tmp->chan)
ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
ast_hangup(tmp->chan);
tmp->chan = NULL;
cause = AST_CAUSE_CONGESTION;
}
if (!tmp->chan) {
ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause %d)\n", tech, stuff, cause);
HANDLE_CAUSE(cause, chan);
cur = rest;
continue;

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