manual merge and backport of pull #20 adding an accounting role

kamailio/accounting-role.cfg

@@ -0,0 +1,22 @@
+####### Flags #######
+flags
+    FLAG_ACC:		      7,
+    FLAG_ACCMISSED:	      8,
+    FLAG_ACCFAILED:	      9;
+
+######## Accounting module ########
+loadmodule "acc.so"
+
+######## Accounting params ########
+modparam("acc", "early_media", 0)
+modparam("acc", "report_ack", 0)
+modparam("acc", "report_cancels", 1)
+modparam("acc", "detect_direction", 0)
+modparam("acc", "log_flag", 7)
+modparam("acc", "log_level", 2)
+modparam("acc", "log_missed_flag", 8)
+modparam("acc", "failed_transaction_flag", 9)
+modparam("acc", "log_extra",
+        "src_user=$fU;src_domain=$fd;src_ip=$si;"
+        "dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
+modparam("acc", "log_facility", "LOG_LOCAL6")

kamailio/default.cfg

@@ -170,6 +170,9 @@ include_file "websockets-role.cfg"
 #!ifdef TLS-ROLE
 include_file "tls-role.cfg"
 #!endif
+#!ifdef ACCOUNTING-ROLE
+include_file "accounting-role.cfg"
+#!endif
 
 ####### Permissions module ##########
 loadmodule "permissions.so"
@@ -323,6 +326,13 @@ route[HANDLE_IN_DIALOG_REQUESTS]
             record_route();
         }
         if (loose_route()) {
+	    #!ifdef ACCOUNTING-ROLE
+	        if (is_method("BYE")) {
+                    setflag(FLAG_ACC);
+                    setflag(FLAG_ACCFAILED);
+                }
+            #!endif
+
             #!ifdef WEBSOCKETS-ROLE
             if ($du == $null) {
                 handle_ruri_alias();
@@ -406,6 +416,13 @@ route[RELAY]
 
 route[INTERNAL_TO_EXTERNAL_RELAY]
 {
+    #!ifdef ACCOUNTING-ROLE
+        if (is_method("INVITE")) {
+            setflag(FLAG_ACC);
+            setflag(FLAG_ACCFAILED);
+        }
+    #!endif
+
     remove_hf_re("X-.*");
 
     t_on_reply("EXTERNAL_REPLY");
@@ -417,6 +434,13 @@ route[INTERNAL_TO_EXTERNAL_RELAY]
 
 route[EXTERNAL_TO_INTERNAL_RELAY]
 {
+    #!ifdef ACCOUNTING-ROLE
+        if (is_method("INVITE") && is_present_hf("Proxy-Authorization")) {
+            setflag(FLAG_ACC);
+            setflag(FLAG_ACCFAILED);
+        }
+    #!endif
+
     #!ifdef NAT-TRAVERSAL-ROLE
     if (!isflagset(FLAG_INTERNALLY_SOURCED)) {
         route(NAT_TEST_AND_CORRECT);