Don't fail if a tun device can not be configured.

cjdroute.c

@@ -25,6 +25,7 @@
 #include "dht/dhtcore/RouterModule_admin.h"
 #include "exception/ExceptionHandler.h"
 #include "exception/AbortHandler.h"
+#include "exception/Jmp.h"
 #include "interface/Interface.h"
 #include "interface/TUNInterface.h"
 #include "interface/TUNConfigurator.h"
@@ -322,9 +323,13 @@ static void registerRouter(Dict* config, struct Address* addr, struct Context* c
                                                assignedTunName,
                                                context->logger,
                                                AbortHandler_INSTANCE);
-
-        TUNConfigurator_setIpAddress(
-            assignedTunName, addr->ip6.bytes, 8, context->logger, AbortHandler_INSTANCE);
+        struct Jmp jmp;
+        Jmp_try(jmp) {
+            TUNConfigurator_setIpAddress(
+                assignedTunName, addr->ip6.bytes, 8, context->logger, &jmp.handler);
+        } Jmp_catch {
+            Log_warn(context->logger, "Unable to configure ip address [%s]", jmp.message);
+        }
 
         struct TUNInterface* tun = TUNInterface_new(tunPtr, context->base, context->allocator);
         context->tunInterface = TUNInterface_asGeneric(tun);

exception/Except.h

@@ -15,28 +15,31 @@
 #ifndef Except_H
 #define Except_H
 
-#include "exception/ExceptionHandler.h"
 #include "util/Gcc.h"
 
 #include <stdarg.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-#define Except ExceptionHandler
+#define Except_BUFFER_SZ 1024
+
+struct Except
+{
+    void (* exception)(char* message, int code, struct Except* handler);
+
+    char message[Except_BUFFER_SZ];
+};
 
 Gcc_NORETURN
 Gcc_PRINTF(3, 4)
 static inline void Except_raise(struct Except* eh, int code, char* format, ...)
 {
-    #define Except_BUFFER_SZ 1024
-    char buff[Except_BUFFER_SZ];
-
     va_list args;
     va_start(args, format);
-    vsnprintf(buff, Except_BUFFER_SZ, format, args);
+    vsnprintf(eh->message, Except_BUFFER_SZ, format, args);
 
-    eh->exception(buff, code, eh);
+    eh->exception(eh->message, code, eh);
     abort();
 }
 

exception/ExceptionHandler.h

@@ -15,11 +15,8 @@
 #ifndef ExceptionHandler_H
 #define ExceptionHandler_H
 
-struct ExceptionHandler
-{
-    void (* exception)(char* message, int code, struct ExceptionHandler* handler);
+#include "exception/Except.h"
 
-    void* context;
-};
+#define ExceptionHandler Except
 
 #endif