Support devicestate requests.

Now you should be able to subscribe to a Skinny device/line.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@56579 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_skinny.c b/channels/chan_skinny.c
index fb658f7..c7d0379 100644 (file)
--- a/channels/chan_skinny.c
+++ b/channels/chan_skinny.c
@@ -73,6 +73,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/astobj.h"
 #include "asterisk/abstract_jb.h"
 #include "asterisk/threadstorage.h"
+#include "asterisk/devicestate.h"
 
 /*************************************
  * Skinny/Asterisk Protocol Settings *
@@ -1028,6 +1029,7 @@ static struct skinnysession {
 } *sessions = NULL;
 
 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
+static int skinny_devicestate(void *data);
 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
 static int skinny_hangup(struct ast_channel *ast);
 static int skinny_answer(struct ast_channel *ast);
@@ -1044,6 +1046,7 @@ static const struct ast_channel_tech skinny_tech = {
        .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
        .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
        .requester = skinny_request,
+       .devicestate = skinny_devicestate,
        .call = skinny_call,
        .hangup = skinny_hangup,
        .answer = skinny_answer,
@@ -4416,6 +4419,41 @@ static struct ast_channel *skinny_request(const char *type, int format, void *da
        return tmpc;
 }
 
+static int skinny_devicestate(void *data)
+{
+       struct skinny_line *l;
+       struct skinny_subchannel *sub;
+       char *tmp;
+       int res = AST_DEVICE_UNKNOWN;
+
+       tmp = ast_strdupa(data);
+
+       l = find_line_by_name(tmp);
+
+       if (!l)
+               res = AST_DEVICE_INVALID;
+       else if (!l->parent)
+               res = AST_DEVICE_UNAVAILABLE;
+       else if (l->dnd)
+               res = AST_DEVICE_BUSY;
+       else {
+               if (l->hookstate == SKINNY_ONHOOK) {
+                       res = AST_DEVICE_NOT_INUSE;
+               } else {
+                       res = AST_DEVICE_INUSE;
+               }
+
+               for (sub = l->sub; sub; sub = sub->next) {
+                       if (sub->onhold) {
+                               res = AST_DEVICE_ONHOLD;
+                               break;
+                       }
+               }
+       }
+
+       return res;
+}
+
 static int reload_config(void)
 {
        int on = 1;