Network related functions, only for internal use by other PHP code. Tries

to hide the details of address families/protocols, and to reduce duplication
of code.

main/network.c

@@ -0,0 +1,105 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP version 4.0                                                      |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group                   |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.02 of the PHP license,      |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available at through the world-wide-web at                           |
+   | http://www.php.net/license/2_02.txt.                                 |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Authors: Stig Venaas <venaas@uninett.no>                             |
+   +----------------------------------------------------------------------+
+ */
+/* $Id$ */
+
+#ifdef PHP_WIN32
+#include <windows.h>
+#include <winsock.h>
+#define O_RDONLY _O_RDONLY
+#include "win32/param.h"
+#else
+#include <sys/param.h>
+#endif
+
+#include <sys/types.h>
+#if HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifndef PHP_WIN32
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#endif
+
+#ifdef PHP_WIN32
+#undef AF_UNIX
+#endif
+
+#if defined(AF_UNIX)
+#include <sys/un.h>
+#endif
+
+#ifdef PHP_WIN32
+# define SOCK_ERR INVALID_SOCKET
+# define SOCK_CONN_ERR SOCKET_ERROR
+#else
+# define SOCK_ERR -1
+# define SOCK_CONN_ERR -1
+#endif
+
+/* Copied lookup_hostname, will be replaced */
+
+/*
+ * Converts a host name to an IP address.
+ */
+static int my_lookup_hostname(const char *addr, struct in_addr *in)
+{
+        struct hostent *host_info;
+
+        if (!inet_aton(addr, in)) {
+                /* XXX NOT THREAD SAFE */
+                host_info = gethostbyname(addr);
+                if (host_info == 0) {
+                        /* Error: unknown host */
+                        return -1;
+                }
+                *in = *((struct in_addr *) host_info->h_addr);
+        }
+        return 0;
+}
+
+/*
+ * Creates a socket of type socktype and connects to the given host and
+ * port, returns the created socket on success, else returns -1.
+ */
+int hostconnect(char *host, int port, int socktype)
+{	
+	int s;
+	struct sockaddr_in sa;
+
+	if (my_lookup_hostname(host, &sa.sin_addr))
+		return -1;
+	s = socket(PF_INET, socktype, 0);
+	if (s == SOCK_ERR)
+		return -1;
+	sa.sin_family = AF_INET;
+	sa.sin_port = htons(port);
+	if (connect(s, (struct sockaddr *) &sa, sizeof(sa)) == SOCK_CONN_ERR) {
+		close (s);
+		return -1;
+	}
+	return s;
+}
+
+/*
+ * Local variables:
+ * tab-width: 8
+ * c-basic-offset: 8
+ * End:
+ */