1 files changed, 173 insertions, 0 deletions
diff --git a/app_example/func-test/fork/tcpclient.c b/app_example/func-test/fork/tcpclient.c
new file mode 100644
index 0000000..274dcbb
--- /dev/null
+++ b/app_example/func-test/fork/tcpclient.c
@@ -0,0 +1,173 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#define DEBUG
+
+#ifdef DEBUG
+#define	DBG(fmt, arg...) do { \
+	printf(fmt, ##arg); \
+} while(0)
+#else
+#define	DBG(fmt, arg...) ((void)0)
+#endif
+
+static struct sockaddr_in g_dest;
+static struct sockaddr_in g_src;
+int srcPort = 0;
+int destPort = 0;
+int times = 0;
+
+void
+random_str (char *str, const int len)
+{
+  static const char alphaNum[] =
+    "abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789";
+  int i = 0;
+
+  for (i = 0; i < len; i++)
+    {
+      str[i] = alphaNum[rand () % (sizeof (alphaNum) - 1)];
+    }
+
+  str[len] = 0;
+}
+
+static void
+setArgsDefault ()
+{
+
+  memset (&g_dest, 0, sizeof (g_dest));
+  g_dest.sin_family = AF_INET;
+  g_dest.sin_addr.s_addr = inet_addr ("127.0.0.1");
+  g_dest.sin_port = htons (12345);
+  bzero (&(g_dest.sin_zero), 8);
+
+  memset (&g_src, 0, sizeof (g_src));
+  g_src.sin_family = AF_INET;
+  g_src.sin_addr.s_addr = inet_addr ("0.0.0.0");
+  g_src.sin_port = htons (7895);
+  bzero (&(g_src.sin_zero), 8);
+
+  times = 1;
+}
+
+static int
+process_arg (int argc, char *argv[])
+{
+  int opt = 0;
+  int error = 0;
+  const char *optstring = "p:d:s:a:t:";
+
+  if (argc < 5)
+    {
+      DBG
+        ("Param info :-p dest_portid; -d dest_serverIP; -a src_portid; -s src_clientIP; -t times; \n");
+      return -1;
+    }
+  setArgsDefault ();
+  while ((opt = getopt (argc, argv, optstring)) != -1)
+    {
+      switch (opt)
+        {
+        case 'p':
+          g_dest.sin_port = htons (atoi (optarg));
+          break;
+        case 'd':
+          g_dest.sin_addr.s_addr = inet_addr (optarg);
+          break;
+        case 's':
+          g_src.sin_addr.s_addr = inet_addr (optarg);
+          break;
+        case 'a':
+          g_src.sin_port = htons (atoi (optarg));
+          break;
+        case 't':
+          times = atoi (optarg);
+          break;
+        }
+    }
+  return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+
+  int clientSocket, ret, i;
+  char sndbuffer[1024];
+  char rcvbuffer[1024];
+  int result = 0;
+
+  /*
+   * check command line arguments
+   */
+  if (0 != process_arg (argc, argv))
+    {
+      DBG ("Error in argument.%d\n", argc);
+      exit (1);
+    }
+
+  clientSocket = socket (AF_INET, SOCK_STREAM, 0);
+  if (clientSocket < 0)
+    {
+      DBG ("Error in connection.\n");
+      exit (1);
+    }
+  DBG ("[INFO]Client Socket is created.\n");
+
+  ret = bind (clientSocket, (struct sockaddr *) &g_src, sizeof (g_src));
+  if (ret < 0)
+    {
+      DBG ("Error in binding.\n");
+      exit (1);
+    }
+
+  DBG ("[INFO]Bind to client aaddress port 0\n");
+
+  ret = connect (clientSocket, (struct sockaddr *) &g_dest, sizeof (g_dest));
+  if (ret < 0)
+    {
+      DBG ("Error in connection.\n");
+      exit (1);
+    }
+  DBG ("[INFO]Connected to Server.\n");
+
+  memset (sndbuffer, '\0', 1024 * sizeof (char));
+  memset (rcvbuffer, '\0', 1024 * sizeof (char));
+
+  for (i = 1; i <= times; i++)
+    {
+      DBG ("Client: \t");
+      random_str (sndbuffer, 50);
+      send (clientSocket, sndbuffer, strlen (sndbuffer), 0);
+
+      if (recv (clientSocket, rcvbuffer, 1024, 0) < 0)
+        {
+          DBG ("Error in receiving data.\n");
+        }
+      else
+        {
+          DBG ("Server: \t%s\n", rcvbuffer);
+        }
+      if (0 != strcmp (sndbuffer, rcvbuffer))
+        {
+          result = -1;
+          break;
+        }
+    }
+
+  /* Send exit message to server */
+  strcpy (sndbuffer, "#exit");
+  send (clientSocket, sndbuffer, strlen (sndbuffer), 0);
+
+  DBG ("Result = %s\n", (result == 0) ? "Success" : "Fail");
+  close (clientSocket);
+  DBG ("Disconnecting from server.\n");
+  return 0;
+}