1 files changed, 284 insertions, 0 deletions
diff --git a/app_example/func-test/file_transfer/client_filetrans.c b/app_example/func-test/file_transfer/client_filetrans.c
new file mode 100644
index 0000000..cc8386d
--- /dev/null
+++ b/app_example/func-test/file_transfer/client_filetrans.c
@@ -0,0 +1,284 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <ctype.h>
+char *END_FLAG = "=================END";
+#define HEXCONVERT_COLS 8
+#define HEX_CONVERT 1
+//#define DEBUG 1
+#define out(fmt, arg...) (void)printf(fmt, ##arg)
+
+#ifdef DEBUG
+#define DBG(fmt, arg...) do { \
+                out("[Debug] " fmt, ##arg); \
+ } while (0)
+#else
+#define DBG(fmt, arg...) ((void)0)
+#endif
+
+void
+error (const char *msg)
+{
+  perror (msg);
+  out
+    ("./client_tcp [server_ip_address] [port number] [filename] [client_ip_address]\n");
+  exit (1);
+}
+
+#if defined(HEX_CONVERT) && defined(DEBUG)
+void
+hexconvert (void *mem, unsigned int len)
+{
+  unsigned int i;
+
+  for (i = 0;
+       i <
+       len +
+       ((len % HEXCONVERT_COLS) ? (HEXCONVERT_COLS -
+                                   len % HEXCONVERT_COLS) : 0); i++)
+    {
+      /* print offset */
+      if (i % HEXCONVERT_COLS == 0)
+        {
+          DBG ("\n0x%06x: ", i);
+        }
+
+      /*print hex data */
+      if (i < len)
+        {
+          DBG ("%02x ", 0xFF & ((char *) mem)[i]);
+        }
+      else                      /* end of block, just aligning for ASCII dump */
+        {
+          DBG ("\n");
+        }
+    }
+}
+#endif
+
+void
+tcp (char **pArgv)
+{
+
+  int sockfd, portno;
+  char buff[1024];
+
+  struct sockaddr_in serv_addr, cli_addr;
+  struct hostent *server;
+
+  sockfd = socket (AF_INET, SOCK_STREAM, 0);
+  if (sockfd < 0)
+    {
+      error ("error in socket creation\n");
+    }
+  out ("socket create successful\n");
+
+  portno = atoi (pArgv[2]);
+  server = gethostbyname (pArgv[1]);
+
+  if (server == NULL)
+    {
+      fprintf (stderr, "error no such host\n");
+    }
+
+  bzero ((char *) &serv_addr, sizeof (serv_addr));
+  serv_addr.sin_family = AF_INET;
+  bcopy ((char *) server->h_addr, (char *) &serv_addr.sin_addr,
+         server->h_length);
+  serv_addr.sin_port = htons (portno);
+  bzero ((char *) &cli_addr, sizeof (serv_addr));
+
+  cli_addr.sin_family = AF_INET;
+  cli_addr.sin_addr.s_addr = inet_addr (pArgv[4]);
+  cli_addr.sin_port = htons (portno);
+  if (bind (sockfd, (struct sockaddr *) &cli_addr, sizeof (cli_addr)) < 0)
+    {
+      error ("bind fail");
+    }
+  out ("Bind successful\n");
+
+  if (connect (sockfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) <
+      0)
+    {
+      error ("connection fail");
+    }
+  out ("connection done\n");
+
+  FILE *file;
+  int filebyte = 0;
+  int lsize, totalsize = 0;
+
+  file = fopen (pArgv[3], "r");
+  fseek (file, 0, SEEK_END);
+  lsize = ftell (file);
+  rewind (file);
+  out ("Name of file: %s, Size of file : %d\n", pArgv[3], lsize);
+  if (write (sockfd, &lsize, sizeof (int)) == -1)
+    {
+      out ("error executing write\n");
+    }
+  if (write (sockfd, pArgv[3], 255) == -1)
+    {
+      out ("error executing write\n");
+    }
+  while (lsize > totalsize)
+    {
+      bzero (buff, 1024);
+      fseek (file, totalsize, SEEK_SET);
+      filebyte = fread (buff, 1, sizeof (buff), file);
+      if (filebyte == 0)
+        {
+          printf ("file End of file\n");
+          break;
+        }
+
+      if (filebyte < 0)
+        error ("error in reading file. \n");
+#if defined(HEX_CONVERT) && defined(DEBUG)
+      DBG ("=========================================\n");
+      hexconvert (buff, filebyte);
+      DBG ("=========================================\n");
+#endif
+
+      void *p = buff;
+      totalsize += filebyte;
+
+      while (filebyte > 0)
+        {
+#ifdef DEBUG
+          DBG ("=========================================\n");
+          puts ((const char *) p);
+          DBG ("=========================================\n");
+#endif
+          int bytes_written = write (sockfd, p, filebyte);
+          if (bytes_written <= 0)
+            {
+              error ("error in Socket write.\n");
+            }
+
+          filebyte -= bytes_written;
+          p += bytes_written;
+//#if DEBUG
+          DBG
+            ("Total size of file = %d, Total Bytes sent to socket = %d, bytes_written in each step = %d\n",
+             lsize, totalsize, bytes_written);
+//#endif
+        }
+    }
+  out ("file has been sent successfully\n");
+  out ("Final Total size of file = %d, Total Bytes sent to socket = %d\n",
+       lsize, totalsize);
+
+  fclose (file);
+  sleep (60);
+  close (sockfd);
+  return;
+}
+
+void
+udp (char **pArgv)
+{
+  int sockfd, n, fd, sz, portno, MAXLINE;
+  FILE *fp;
+  struct sockaddr_in servaddr, cliaddr;
+  char *buf;
+  char *target, *path;
+  portno = atoi (pArgv[2]);
+  bzero (&servaddr, sizeof (servaddr));
+  servaddr.sin_family = AF_INET;
+  servaddr.sin_port = htons (portno);
+  servaddr.sin_addr.s_addr = inet_addr (pArgv[1]);
+  bzero (&cliaddr, sizeof (servaddr));
+  cliaddr.sin_family = AF_INET;
+  cliaddr.sin_port = htons (portno);
+  cliaddr.sin_addr.s_addr = inet_addr (pArgv[3]);
+  sockfd = socket (AF_INET, SOCK_DGRAM, 0);
+  if (sockfd < 0)
+    {
+      out ("error in socket creation\n");
+    }
+  out ("socket create successful\n");
+
+  if (bind (sockfd, (struct sockaddr *) &cliaddr, sizeof (cliaddr)) < 0)
+    {
+      out ("bind fail");
+    }
+  out ("Bind successful\n");
+
+  path = pArgv[4];
+  target = pArgv[5];
+  MAXLINE = atoi (pArgv[6]);
+  buf = malloc (MAXLINE * sizeof (int));
+  fp = fopen (path, "r");
+  fseek (fp, 0L, SEEK_END);
+  sz = ftell (fp);
+  out ("The size of the path file is %d", sz);
+  sendto (sockfd, target, strlen (target), 0,
+          (struct sockaddr *) &servaddr, sizeof (servaddr));
+  n = recvfrom (sockfd, buf, MAXLINE, 0, NULL, NULL);
+  if (!strncmp (buf, "ok", 2))
+    {
+      out ("Filename sent.\n");
+    }
+
+  fd = open (path, O_RDONLY);
+  while ((n = read (fd, buf, MAXLINE)) > 0)
+    {
+      sendto (sockfd, buf, n, 0, (struct sockaddr *) &servaddr,
+              sizeof (servaddr));
+    }
+  sendto (sockfd, END_FLAG, strlen (END_FLAG), 0,
+          (struct sockaddr *) &servaddr, sizeof (servaddr));
+  fclose (fp);
+  sleep (60);
+  close (sockfd);
+  return;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int i;
+  char **pArgv, str[10];
+  pArgv = (char **) malloc (sizeof (char *) * 10);
+  for (i = 0; i < 10; i++)
+    {
+      pArgv[i] = (char *) malloc (sizeof (char) * 20);
+    }
+  printf ("%s", argv[1]);
+
+  if (strcmp ("tcp", argv[1]) == 0)
+    {
+      strcpy (pArgv[0], "tcp");
+      printf ("pArgv[0]=%s", pArgv[0]);
+      /* The arguments of tcp are [server_ip_address] [port number] [filename] [client_ip_address] */
+      for (i = 1; i < 5; i++)
+        {
+          strcpy (pArgv[i], argv[i + 1]);
+        }
+      tcp (pArgv);
+    }
+
+  else
+    {
+      strcpy (str, argv[1]);
+      if (strcmp ("udp", str) == 0)
+        {
+          strcpy (pArgv[0], "udp");
+          printf ("pArgv[0]=%s", pArgv[0]);
+          /* The arguments of udp are [server_ip_address] [port number] [client_ip_address] [filename] [target_filename] [MAX_BUFFER_LENGTH] */
+          for (i = 1; i < 7; i++)
+            {
+              strcpy (pArgv[i], argv[i + 1]);
+            }
+          udp (pArgv);
+        }
+    }
+  return 0;
+}