Startpunkten

2026-03-05 13:37:25 +01:00
commit 00233de938
22 changed files with 4613 additions and 0 deletions
--- a/sockets.h
+++ b/sockets.h
@@ -0,0 +1,132 @@
+/******************************************************************************
+*
+*  (c) Copyright 1998, University of Karlstad.
+*
+*  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 1, 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.
+*
+*  Please report any bugs you find in this code or any improvements to:
+*
+*  Hans Hedbom, Dept. of Computer Science,
+*  University of Karlstad, Sweden.
+*
+*  Phone: +46 54 838157
+*  E-mail: Hans.Hedbom@hks.se
+* 
+*  ============================================================================
+*
+*  FILE:
+*
+*  sockets.h [ the Data Communication I course programming project ]
+*
+*  AUTHORS:
+*
+*  Jonny Wiederholm
+*  E-mail: fr7wied@cse.hks.se or
+*          jonnwied@hks.se
+*
+*  Per-Ola Gustafsson
+*  E-mail: fr7gust@cse.hks.se
+*
+*  CREATION DATE:
+*
+*  Jan, 06, 1998
+*
+*  DESCRIPTION:
+*
+*  Includes constants, types and declarations of functions needed to create
+*  and connect sockets in the example implementation of the Data Communication
+*  I course programming project.
+*
+*  MODIFICATIONS:   Date    Changes
+*  ----------------------------------------------------------------------------
+*
+*/
+
+#ifndef _SOCKETS_H    /* Avoid multiple copies of this file. */
+#define _SOCKETS_H
+
+#ifdef __cplusplus    /* Make this file possible to use in C++ code. */
+extern "C" {
+#endif
+
+/******************************************************************************
+*  INCLUDE FILES
+*/
+
+#include "systems.h"
+#include "udefs.h"
+
+/******************************************************************************
+*  DEFINE CONSTANTS
+*/
+
+#if defined (_AIX) || defined (__linux__)
+
+/* Communication semantics. */
+#define SOCK_STREAM  1  /* Stream socket. */
+
+#elif defined (sun)
+
+#define SOCK_STREAM  2
+
+#endif
+
+/* Communication domains. */
+#define AF_UNIX      1  /* Local to host (pipes, portals). */
+#define AF_INET      2  /* Internetwork: UDP, TCP, etc. */
+
+/******************************************************************************
+*  DEFINE TYPES
+*/
+
+#if defined (__linux__) || defined (sun)
+
+/* Structure used by kernel to store most addresses. */
+struct sockaddr {
+   unsigned short int  sa_family;    /* Address family AF_xxx. */
+   char                sa_data[14];  /* 14 bytes of protocol address. */
+};
+
+#elif defined (_AIX)
+
+struct sockaddr {
+   unsigned char  sa_len;       /* Total length. */
+   unsigned char  sa_family;    /* Address family AF_xxx. */
+   char           sa_data[14];  /* 14 bytes of protocol address. */
+};
+
+#endif                  /* defined (__linux__) || defined (sun) */
+
+/*****************************************************************************
+*  DECLARE FUNCTIONS
+*/
+
+/* See function definitions for documentation. */
+
+extern int CreateSocket __P((int domain, int type, int protocol));
+extern int BindSocket __P((int sockfd, struct sockaddr *name, int namelen));
+extern int ConnectSocket __P((int sockfd, struct sockaddr *name, int namelen));
+extern int ListenforConnection __P((int sockfd, int limit));
+extern int AcceptConnection __P((int sockfd));
+
+/******************************************************************************
+*  END
+*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif                  /* _SOCKETS_H */