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[gapil.git] / sources / ElemEchoTCPServer.c

diff --git a/sources/ElemEchoTCPServer.c b/sources/ElemEchoTCPServer.c
deleted file mode 100644 (file)
index 1793d3f..0000000
--- a/sources/ElemEchoTCPServer.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* ElemEchoTCPServer.c
- * 
- * Copyright (C) 2001 Simone Piccardi
- * 
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/****************************************************************
- *
- * Program echod 
- * Elementary TCP server for echo service (port 7)
- *
- * Author: Simone Piccardi
- * Jun. 2001
- *
- * Usage: echod -h give all info
- *
- * $Id: ElemEchoTCPServer.c,v 1.5 2003/02/02 20:35:33 piccardi Exp $ 
- *
- ****************************************************************/
-/* 
- * Include needed headers
- */
-#include <sys/types.h>   /* predefined types */
-#include <unistd.h>      /* include unix standard library */
-#include <arpa/inet.h>   /* IP addresses conversion utiliites */
-#include <sys/socket.h>  /* socket library */
-#include <stdio.h>      /* include standard I/O library */
-#include <time.h>
-
-
-#define BACKLOG 10
-#define MAXLINE 256
-
-/* Subroutines declaration */
-void usage(void);
-void ServEcho(int sockfd);
-/* Program beginning */
-int main(int argc, char *argv[])
-{
-/* 
- * Variables definition  
- */
-    int list_fd, conn_fd;
-    pid_t pid;
-    struct sockaddr_in serv_add;
-    /*
-     * Input section: decode parameters passed in the calling 
-     * Use getopt function
-     */
-    int i;
-    opterr = 0;         /* don't want writing to stderr */
-    while ( (i = getopt(argc, argv, "h")) != -1) {
-       switch (i) {
-       /* 
-        * Handling options 
-        */ 
-       case 'h':  
-           printf("Wrong -h option use\n");
-           usage();
-           return(0);
-           break;
-       case '?':   /* unrecognized options */
-           printf("Unrecognized options -%c\n",optopt);
-           usage();
-       default:    /* should not reached */
-           usage();
-       }
-    }
-    /* ***********************************************************
-     * 
-     *          Options processing completed
-     *
-     *               Main code beginning
-     * 
-     * ***********************************************************/
-    /* create socket */
-    if ( (list_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-       perror("Socket creation error");
-       exit(-1);
-    }
-    /* initialize address */
-    memset((void *)&serv_add, 0, sizeof(serv_add)); /* clear server address */
-    serv_add.sin_family = AF_INET;                  /* address type is INET */
-    serv_add.sin_port = htons(7);                   /* echo port is 7 */
-    serv_add.sin_addr.s_addr = htonl(INADDR_ANY);   /* connect from anywhere */
-    /* bind socket */
-    if (bind(list_fd, (struct sockaddr *)&serv_add, sizeof(serv_add)) < 0) {
-       perror("bind error");
-       exit(-1);
-    }
-    /* listen on socket */
-    if (listen(list_fd, BACKLOG) < 0 ) {
-       perror("listen error");
-       exit(-1);
-    }
-    /* handle echo to client */
-    while (1) {
-       /* accept connection */
-       if ( (conn_fd = accept(list_fd, NULL, NULL)) < 0) {
-           perror("accept error");
-           exit(-1);
-       }
-       /* fork to handle connection */
-       if ( (pid = fork()) < 0 ){
-           perror("fork error");
-           exit(-1);
-       }
-       if (pid == 0) {      /* child */
-           close(list_fd);          /* close listening socket */   
-           SockEcho(conn_fd);       /* handle echo */
-           exit(0);
-       } else {             /* parent */
-           close(conn_fd);          /* close connected socket */
-       }
-    }
-    /* normal exit, never reached */
-    exit(0);
-}
-/*
- * routine to print usage info and exit
- */
-void usage(void) {
-    printf("Elementary echo server\n");
-    printf("Usage:\n");
-    printf("  echod [-h] \n");
-    printf("  -h          print this help\n");
-    exit(1);
-}
-/*
- * routine to handle echo for connection
- */
-void ServEcho(int sockfd) {
-    char buffer[MAXLINE];
-    int nread, nwrite;
-    
-    /* main loop, reading 0 char means client close connection */
-    while ( (nread = read(sockfd, buffer, MAXLINE)) != 0) {
-       printf("Letti %d bytes, %s ", nread, buffer);
-       nwrite = FullWrite(sockfd, buffer, nread);
-    }
-    return;
-}