ccan/oserver/_info

   1 #include <string.h>
   2 #include "config.h"
   3
   4 /**
   5  * oserver - a demonstration module for LCA2011
   6  *
   7  * This code shows off the features of CCAN and various C cantrips.
   8  *
   9  * License: GPL
  10  *
  11  * Example:
  12  *      #include <sys/types.h>
  13  *      #include <sys/socket.h>
  14  *      #include <ccan/oserver/oserver.h>
  15  *      #include <ccan/opt/opt.h>
  16  *      #include <err.h>
  17  *      #include <stdlib.h>
  18  *
  19  *      int main(int argc, char *argv[])
  20  *      {
  21  *              int fd, sockfd;
  22  *              unsigned int port = OSERVER_PORT;
  23  *
  24  *              opt_register_noarg("--help|--usage|-h", opt_usage_and_exit,
  25  *                                 "\nA oserver program", "Usage information");
  26  *              opt_register_arg("--port", opt_set_uintval, opt_show_uintval,
  27  *                               &port, "Server port number");
  28  *
  29  *              opt_parse(&argc, argv, opt_log_stderr_exit);
  30  *              if (argc != 1)
  31  *                      opt_log_stderr_exit("Unknown extra arguments");
  32  *
  33  *              sockfd = oserver_setup(port);
  34  *              if (sockfd < 0)
  35  *                      err(1, "Failed to set up server socket");
  36  *
  37  *              fd = accept(sockfd, NULL, NULL);
  38  *              if (fd < 0)
  39  *                      err(1, "Accepting connection on TCP socket");
  40  *
  41  *              if (!oserver_serve(fd))
  42  *                      err(1, "Serving client");
  43  *              exit(0);
  44  *      }
  45  */
  46 int main(int argc, char *argv[])
  47 {
  48         /* Expect exactly one argument */
  49         if (argc != 2)
  50                 return 1;
  51
  52         if (strcmp(argv[1], "depends") == 0) {
  53                 printf("ccan/read_write_all\n");
  54                 printf("ccan/str\n");
  55                 printf("ccan/foreach\n");
  56                 printf("ccan/noerr\n");
  57                 printf("ccan/failtest\n");
  58                 printf("ccan/opt\n");
  59                 return 0;
  60         }
  61
  62         return 1;
  63 }