- debugging bind and SO_REUSEADDR

3 files changed, 75 insertions, 0 deletions

diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index b028e1ab1..4f1d8fe17 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -101,3 +101,13 @@ test_testing_sharedservices_LDADD = \
 
 EXTRA_DIST = \
   test_testing_defaults.conf
+
+
+noinst_PROGRAMS = \
+  bindfail bindok
+
+bindok_SOURCES = bindok.c
+
+bindfail_SOURCES = bindfail.c
+bindfail_LDADD = $(top_builddir)/src/util/libgnunetutil.la
+
diff --git a/src/testing/bindfail.c b/src/testing/bindfail.c
new file mode 100644
index 000000000..7ff7c6138
--- /dev/null
+++ b/src/testing/bindfail.c
@@ -0,0 +1,35 @@
+#include "platform.h"
+#include "gnunet_util_lib.h"
+
+int main()
+{
+  uint16_t port = 12035;
+  struct GNUNET_NETWORK_Handle *sock1;
+  struct GNUNET_NETWORK_Handle *sock2;
+  struct sockaddr_in addr;
+
+  (void) memset (&addr, 0, sizeof (struct sockaddr_in));
+  sock1 = GNUNET_NETWORK_socket_create (AF_INET, SOCK_DGRAM, 0);
+  sock2 = GNUNET_NETWORK_socket_create (AF_INET, SOCK_DGRAM, 0);
+  
+  addr.sin_port = htons (port);
+  addr.sin_addr.s_addr = INADDR_ANY;
+  
+  if (GNUNET_SYSERR == 
+      GNUNET_NETWORK_socket_bind (sock1, (const struct sockaddr *) &addr,
+                                  sizeof (addr), 0))
+  {
+    fprintf (stderr, "first bind failed. check port\n");
+    return 1;
+  }
+  if (GNUNET_SYSERR == 
+      GNUNET_NETWORK_socket_bind (sock2, (const struct sockaddr *) &addr, 
+                                  sizeof (addr), 0))
+  {
+    printf ("All OK\n");
+    return 0;
+  }
+  fprintf (stderr, "Second bind succeeded! WTF!!\n");
+  fgetc (stdin);
+  return 1;
+}
diff --git a/src/testing/bindok.c b/src/testing/bindok.c
new file mode 100644
index 000000000..a4b74e7a0
--- /dev/null
+++ b/src/testing/bindok.c
@@ -0,0 +1,30 @@
+#include "platform.h"
+
+int main()
+{
+  uint16_t port = 12035;
+  int sock1;
+  int sock2;
+  struct sockaddr_in addr;
+
+  (void) memset (&addr, 0, sizeof (struct sockaddr_in));
+  sock1 = socket (AF_INET, SOCK_DGRAM, 0);
+  sock2 = socket (AF_INET, SOCK_DGRAM, 0);
+
+  addr.sin_port = htons (port);
+  addr.sin_addr.s_addr = INADDR_ANY;
+  
+  if (0 != bind (sock1, (const struct sockaddr *) &addr, sizeof (addr)))
+  {
+    perror ("bind");
+    return 1;
+  }
+  if (0 != bind (sock2, (const struct sockaddr *) &addr, sizeof (addr)))
+  {
+    printf ("All OK\n");
+    return 0;
+  }
+  fprintf (stderr, "Second bind succeeded! WTF!!\n");
+  fgetc (stdin);
+  return 1;
+}