src/common/protocol.c

   1 /* Copyright (C) 2018 Thomas Balzer */
   2
   3 /* This file is part of tomd. */
   4
   5 /* tomd is free software: you can redistribute it and/or modify */
   6 /* it under the terms of the GNU General Public License as published by */
   7 /* the Free Software Foundation, either version 3 of the License, or */
   8 /* (at your option) any later version. */
   9
  10 /* tomd is distributed in the hope that it will be useful, */
  11 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
  12 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  13 /* GNU General Public License for more details. */
  14
  15 /* You should have received a copy of the GNU General Public License */
  16 /* along with tomd.  If not, see <http://www.gnu.org/licenses/>. */
  17
  18 /* Commentary: */
  19 /* This file contains functions to be used by both client and server */
  20 /* communicate between the two */
  21
  22 static int sfd;
  23
  24 int send_to_server(char *buffer, size_t len)
  25 {
  26   if(buffer == NULL){
  27     printf("buffer cannot be null\n");
  28     return -1;
  29   }
  30
  31   if(len == 0){
  32     return 0;
  33   }
  34
  35   if(sfd < 0){
  36     printf("server connection lost.\n");
  37     return -1;
  38   }
  39
  40 }