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-rwxr-xr-xchannels/chan_iax2.c79
-rwxr-xr-xdoc/CODING-GUIDELINES25
2 files changed, 103 insertions, 1 deletions
diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 6f8d5cb7c..cd20df774 100755
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -8980,6 +8980,82 @@ static int iax2_exec(struct ast_channel *chan, const char *context, const char *
return -1;
}
+static char *function_iaxpeer(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
+{
+ char *ret = NULL;
+ struct iax2_peer *peer;
+ char *peername, *colname;
+ char iabuf[INET_ADDRSTRLEN];
+
+ if (!(peername = ast_strdupa(data))) {
+ ast_log(LOG_ERROR, "Memory Error!\n");
+ return ret;
+ }
+
+ if ((colname = strchr(peername, ':'))) {
+ *colname = '\0';
+ colname++;
+ } else {
+ colname = "ip";
+ }
+ if (!(peer = find_peer(peername, 1)))
+ return ret;
+
+ if (!strcasecmp(colname, "ip")) {
+ ast_copy_string(buf, peer->addr.sin_addr.s_addr ? ast_inet_ntoa(iabuf, sizeof(iabuf), peer->addr.sin_addr) : "", len);
+ } else if (!strcasecmp(colname, "mailbox")) {
+ ast_copy_string(buf, peer->mailbox, len);
+ } else if (!strcasecmp(colname, "context")) {
+ ast_copy_string(buf, peer->context, len);
+ } else if (!strcasecmp(colname, "expire")) {
+ snprintf(buf, len, "%d", peer->expire);
+ } else if (!strcasecmp(colname, "dynamic")) {
+ ast_copy_string(buf, (ast_test_flag(peer, IAX_DYNAMIC) ? "yes" : "no"), len);
+ } else if (!strcasecmp(colname, "callerid_name")) {
+ ast_copy_string(buf, peer->cid_name, len);
+ } else if (!strcasecmp(colname, "callerid_num")) {
+ ast_copy_string(buf, peer->cid_num, len);
+ } else if (!strcasecmp(colname, "codecs")) {
+ ast_getformatname_multiple(buf, len -1, peer->capability);
+ } else if (!strncasecmp(colname, "codec[", 6)) {
+ char *codecnum, *ptr;
+ int index = 0, codec = 0;
+
+ codecnum = strchr(colname, '[');
+ *codecnum = '\0';
+ codecnum++;
+ if ((ptr = strchr(codecnum, ']'))) {
+ *ptr = '\0';
+ }
+ index = atoi(codecnum);
+ if((codec = ast_codec_pref_index(&peer->prefs, index))) {
+ ast_copy_string(buf, ast_getformatname(codec), len);
+ }
+ }
+ ret = buf;
+
+ return ret;
+}
+
+struct ast_custom_function iaxpeer_function = {
+ .name = "IAXPEER",
+ .synopsis = "Gets IAX peer information",
+ .syntax = "IAXPEER(<peername>[:item])",
+ .read = function_iaxpeer,
+ .desc = "Valid items are:\n"
+ "- ip (default) The IP address.\n"
+ "- mailbox The configured mailbox.\n"
+ "- context The configured context.\n"
+ "- expire The epoch time of the next expire.\n"
+ "- dynamic Is it dynamic? (yes/no).\n"
+ "- callerid_name The configured Caller ID name.\n"
+ "- callerid_num The configured Caller ID number.\n"
+ "- codecs The configured codecs.\n"
+ "- codec[x] Preferred codec index number 'x' (beginning with zero).\n"
+ "\n"
+};
+
+
/*--- iax2_devicestate: Part of the device state notification system ---*/
static int iax2_devicestate(void *data)
{
@@ -9091,6 +9167,7 @@ int unload_module()
ast_mutex_destroy(&userl.lock);
ast_mutex_destroy(&peerl.lock);
ast_mutex_destroy(&waresl.lock);
+ ast_custom_function_unregister(&iaxpeer_function);
return __unload_module();
}
@@ -9106,6 +9183,8 @@ int load_module(void)
struct ast_netsock *ns;
struct sockaddr_in sin;
+
+ ast_custom_function_register(&iaxpeer_function);
iax_set_output(iax_debug_output);
iax_set_error(iax_error_output);
diff --git a/doc/CODING-GUIDELINES b/doc/CODING-GUIDELINES
index 41147fb5a..01a38d6f2 100755
--- a/doc/CODING-GUIDELINES
+++ b/doc/CODING-GUIDELINES
@@ -34,7 +34,7 @@ When reading integer numeric input with scanf (or variants), do _NOT_ use '%i'
unless specifically want to allow non-base-10 input; '%d' is always a better
choice, since it will not silently turn numbers with leading zeros into base-8.
-Roughly, Asterisk coding guidelines are generally equivalent to the
+Roughly, Asterisk code formatting guidelines are generally equivalent to the
following:
# indent -i4 -ts4 -br -brs -cdw -cli0 -ce -nbfda -npcs -npsl foo.c
@@ -87,7 +87,30 @@ for (x=0;x<5;x++) {
}
}
+Don't build code like this:
+if (foo) {
+ .... 50 lines of code ...
+} else {
+ result = 0;
+ return;
+}
+
+Instead, try to minimize the number of lines of code that need to be
+indented, by only indenting the shortest case of the 'if'
+statement, like so:
+
+if !(foo) {
+ result = 0;
+ return;
+}
+
+.... 50 lines of code ....
+
+When this technique is used properly, it makes functions much easier to read
+and follow, especially those with more than one or two 'setup' operations
+that must succeed for the rest of the function to be able to execute.
+
Make sure you never use an uninitialized variable. The compiler will
usually warn you if you do so.