Add functional url hook

src/hooks/urlhook.cpp

@@ -18,21 +18,50 @@
  */
 
 #include "urlhook.h"
-
 #include <iostream>
 
 UrlHook::UrlHook () { }
 
 UrlHook::~UrlHook () { }
 
-void UrlHook::addAction (pjsip_msg *msg, std::string field, std::string command){
+bool UrlHook::addAction (pjsip_msg *msg, std::string field, std::string command){
 
-    std::string command_bg;
+    std::string command_bg, value, url;
+    pjsip_generic_string_hdr * hdr;
+    size_t pos;
 
     std::cout << "SIP field: " << field << " - command: " << command << std::endl;; 
     
-    command_bg = command + "&";
+    /* Get the URL in the SIP header */
+    if ( (hdr = (pjsip_generic_string_hdr*)this->url_hook_fetch_header_value (msg, field)) != NULL)
+    {
+        value = hdr->hvalue.ptr;
+        if ( (pos=value.find ("\n")) != std::string::npos) {
+            url = value.substr (0, pos);
+        
+            /* Execute the command in the background to not block the application */
+            command_bg = command + " " + url + "&" ;
+            /* Execute a system call */
+            RUN_COMMAND (command_bg.c_str());
+
+            return true;
+        }
+        else
+            return false;
+    }
+
+    return false;
+}
+
+void* UrlHook::url_hook_fetch_header_value (pjsip_msg *msg, std::string field) {
+
+    pj_str_t name;
+
+    std::cout << "url hook fetch header value" << std::endl;
 
-    system (command_bg.c_str());
+    /* Convert the field name into pjsip type */
+    name = pj_str ((char*)field.c_str());
 
+    /* Get the header value and convert into string*/
+    return pjsip_msg_find_hdr_by_name (msg, &name, NULL);
 }

src/hooks/urlhook.h

@@ -24,6 +24,8 @@
 
 #include <pjsip.h>
 
+#define RUN_COMMAND(command)   system(command);
+
 class UrlHook {
 
     public:
@@ -37,7 +39,11 @@ class UrlHook {
          */
         ~UrlHook ();
 
-        void addAction (pjsip_msg *msg, std::string field, std::string command);
+        bool addAction (pjsip_msg *msg, std::string field, std::string command);
+
+    private:
+
+        void* url_hook_fetch_header_value (pjsip_msg *msg, std::string field);
 };
 
 #endif // URL_HOOK_H

src/sipvoiplink.cpp

@@ -1951,9 +1951,11 @@ void call_on_tsx_changed(pjsip_inv_session *inv, pjsip_transaction *tsx, pjsip_e
             }
 
             // URL HOOK //
-            urlhook->addAction (rdata->msg_info.msg, 
+            if (!urlhook->addAction (rdata->msg_info.msg, 
                                 Manager::instance().getConfigString (HOOKS, URLHOOK_SIP_FIELD),
-                                Manager::instance().getConfigString (HOOKS, URLHOOK_COMMAND));   
+                                Manager::instance().getConfigString (HOOKS, URLHOOK_COMMAND)) ) {
+                _debug ("URL hook failed\n");
+            }
 
             // Generate a new call ID for the incoming call!
             id = Manager::instance().getNewCallID();