examples: add arpprobe_test

examples/CMakeLists.txt

@@ -53,3 +53,8 @@ if (BUILDING_DHCPCLIENT)
     add_executable(dhcpclient_test dhcpclient_test.c)
     target_link_libraries(dhcpclient_test dhcpclient)
 endif ()
+
+if (BUILDING_ARPPROBE)
+    add_executable(arpprobe_test arpprobe_test.c)
+    target_link_libraries(arpprobe_test arpprobe)
+endif ()

examples/arpprobe_test.c

@@ -0,0 +1,124 @@
+/**
+ * @file arpprobe_test.c
+ * @author Ambroz Bizjak <ambrop7@gmail.com>
+ * 
+ * @section LICENSE
+ * 
+ * This file is part of BadVPN.
+ * 
+ * BadVPN is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ * 
+ * BadVPN is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stddef.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <misc/debug.h>
+#include <base/DebugObject.h>
+#include <base/BLog.h>
+#include <system/BReactor.h>
+#include <system/BSignal.h>
+#include <system/BTime.h>
+#include <system/BNetwork.h>
+#include <arpprobe/BArpProbe.h>
+
+BReactor reactor;
+BArpProbe arpprobe;
+
+static void signal_handler (void *user);
+static void arpprobe_handler (void *unused, int event);
+
+int main (int argc, char **argv)
+{
+    if (argc <= 0) {
+        return 1;
+    }
+    
+    if (argc != 3) {
+        printf("Usage: %s <interface> <addr>\n", argv[0]);
+        goto fail0;
+    }
+    
+    char *ifname = argv[1];
+    uint32_t addr = inet_addr(argv[2]);
+    
+    BTime_Init();
+    
+    BLog_InitStdout();
+    
+    if (!BNetwork_GlobalInit()) {
+        DEBUG("BNetwork_GlobalInit failed");
+        goto fail1;
+    }
+    
+    if (!BReactor_Init(&reactor)) {
+        DEBUG("BReactor_Init failed");
+        goto fail1;
+    }
+    
+    if (!BSignal_Init(&reactor, signal_handler, NULL)) {
+        DEBUG("BSignal_Init failed");
+        goto fail2;
+    }
+    
+    if (!BArpProbe_Init(&arpprobe, ifname, addr, &reactor, NULL, arpprobe_handler)) {
+        DEBUG("BArpProbe_Init failed");
+        goto fail3;
+    }
+    
+    BReactor_Exec(&reactor);
+    
+    BArpProbe_Free(&arpprobe);
+fail3:
+    BSignal_Finish();
+fail2:
+    BReactor_Free(&reactor);
+fail1:
+    BLog_Free();
+fail0:
+    DebugObjectGlobal_Finish();
+    
+    return 1;
+}
+
+void signal_handler (void *user)
+{
+    DEBUG("termination requested");
+    
+    BReactor_Quit(&reactor, 0);
+}
+
+void arpprobe_handler (void *unused, int event)
+{
+    switch (event) {
+        case BARPPROBE_EVENT_EXIST: {
+            printf("ARPPROBE: exist\n");
+        } break;
+        
+        case BARPPROBE_EVENT_NOEXIST: {
+            printf("ARPPROBE: noexist\n");
+        } break;
+        
+        case BARPPROBE_EVENT_ERROR: {
+            printf("ARPPROBE: error\n");
+            
+            // exit reactor
+            BReactor_Quit(&reactor, 0);
+        } break;
+        
+        default:
+            ASSERT(0);
+    }
+}