Add --force_asymmetric option to switch NAT compensation logic off

for all sessions unconditionally.

Prompted by:	[email protected]

Author: sobomax

doc/manpage.xml

@@ -150,6 +150,8 @@
 
       <arg choice="opt"><option>-W</option>
       <replaceable>setup_ttl</replaceable></arg>
+
+      <arg choice="opt"><option>--force_asymmetric</option></arg>
     </cmdsynopsis>
   </refsynopsisdiv>
 
@@ -589,6 +591,15 @@
           - WARN and facility is LOG_DAEMON.</para>
         </listitem>
       </varlistentry>
+
+      <varlistentry>
+        <term><option>--force_asymmetric</option></term>
+
+        <listitem>
+          <para>Treat all RTP/RTCP sessions as "assymetric", i.e. disable any NAT
+          traversal features unconditionally.</para>
+        </listitem>
+      </varlistentry>
     </variablelist>
   </refsect1>
 

libelperiodic

@@ -224,13 +224,15 @@ rtpp_rlim_max(const struct rtpp_cfg *cfsp)
 #define LOPT_NICE     258
 #define LOPT_OVL_PROT 259
 #define LOPT_CONFIG   260
+#define LOPT_FORC_ASM 261
 
 const static struct option longopts[] = {
     { "dso", required_argument, NULL, LOPT_DSO },
     { "bridge_symmetric", no_argument, NULL, LOPT_BRSYM },
     { "nice", required_argument, NULL, LOPT_NICE },
     { "overload_prot", optional_argument, NULL, LOPT_OVL_PROT },
     { "config", required_argument, NULL, LOPT_CONFIG },
+    { "force_asymmetric", no_argument, NULL, LOPT_FORC_ASM },
     { NULL,  0,                 NULL, 0 }
 };
 
@@ -382,6 +384,10 @@ init_config(struct rtpp_cfg *cfsp, int argc, char **argv)
             cfsp->cfile = optarg;
             break;
 
+        case LOPT_FORC_ASM:
+            cfsp->aforce = 1;
+            break;
+
         case 'c':
             if (strcmp(optarg, "fifo") == 0) {
                  cfsp->sched_policy = SCHED_FIFO;