barebones netctl monitor

Makefile

@@ -8,6 +8,12 @@ NO_WIFI     ?= 0
 NO_AIRDROP  ?= 0
 NO_AIRPLANE ?= 0
 
+ifeq ($(BUILD_FOR_MACOSX),1)
+NO_CELLULAR = 1
+NO_WIFI = 1
+NO_AIRPLANE = 1
+endif
+
 CFLAGS += -DNO_CELLULAR=$(NO_CELLULAR) -DNO_WIFI=$(NO_WIFI) -DNO_AIRDROP=$(NO_AIRDROP) -DNO_AIRPLANE=$(NO_AIRPLANE)
 
 SRC := netctl.c

monitor/monitor.m

@@ -1,6 +1,17 @@
 #include <Foundation/Foundation.h>
+#import <NetworkStatistics/NetworkStatistics.h>
+
+void(^callback)(void*, void*) = ^(NStatSourceRef ref, void* arg2) {
+    static int ctr = 0;
+    printf("HELLO %d\n", ctr);
+    ctr++;
+};
 
 int nctl_monitor(int argc, char** argv) {
-    printf("Not supported yet\n");
-    return 1;
+    NStatManagerRef ref = NStatManagerCreate(kCFAllocatorDefault, dispatch_get_main_queue(), callback);
+    NStatManagerSetFlags(ref, 0);
+
+    NStatManagerAddAllTCPWithFilter(ref, 0, 0);
+
+    dispatch_main();
 }

netctl.c

@@ -38,7 +38,7 @@ int main(int argc, char *argv[]) {
 
 #if NO_MONITOR == 0
 	if (!strcmp(argv[1], "monitor"))
-		return nctl_monitor(argc, argv);
+		return nctl_monitor(argc-1, argv+1);
 #endif
 
 	usage();