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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* 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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include "camel-tcp-stream-raw.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
static CamelTcpStreamClass *parent_class = NULL;
/* Returns the class for a CamelTcpStreamSSL */
#define CTSS_CLASS(so) CAMEL_TCP_STREAM_SSL_CLASS (CAMEL_OBJECT_GET_CLASS (so))
static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n);
static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n);
static int stream_flush (CamelStream *stream);
static int stream_close (CamelStream *stream);
static int stream_connect (CamelTcpStream *stream, struct hostent *host, int port);
static int stream_disconnect (CamelTcpStream *stream);
static void
camel_tcp_stream_ssl_class_init (CamelTcpStreamSSLClass *camel_tcp_stream_ssl_class)
{
CamelTcpStreamClass *camel_tcp_stream_class =
CAMEL_TCP_STREAM_CLASS (camel_tcp_stream_ssl_class);
CamelStreamClass *camel_stream_class =
CAMEL_STREAM_CLASS (camel_tcp_stream_ssl_class);
parent_class = CAMEL_STREAM_CLASS (camel_type_get_global_classfuncs (camel_tcp_stream_get_type ()));
/* virtual method overload */
camel_stream_class->read = stream_read;
camel_stream_class->write = stream_write;
camel_stream_class->flush = stream_flush;
camel_stream_class->close = stream_close;
camel_tcp_stream_class->connect = stream_connect;
camel_tcp_stream_class->disconnect = stream_disconnect;
}
static void
camel_tcp_stream_ssl_init (gpointer object, gpointer klass)
{
CamelTcpStreamSSL *stream = CAMEL_TCP_STREAM_SSL (object);
stream->sockfd = NULL;
}
static void
camel_tcp_stream_ssl_finalize (CamelObject *object)
{
CamelTcpStreamSSL *stream = CAMEL_TCP_STREAM_SSL (object);
if (stream->sockfd != NULL)
PR_Close (stream->sockfd);
}
CamelType
camel_tcp_stream_ssl_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register (camel_stream_get_type (),
"CamelTcpStreamSSL",
sizeof (CamelTcpStreamSSL),
sizeof (CamelTcpStreamSSLClass),
(CamelObjectClassInitFunc) camel_tcp_stream_ssl_class_init,
NULL,
(CamelObjectInitFunc) camel_tcp_stream_ssl_init,
(CamelObjectFinalizeFunc) camel_tcp_stream_ssl_finalize);
}
return type;
}
/**
* camel_tcp_stream_ssl_new:
*
* Return value: a tcp stream
**/
CamelStream *
camel_tcp_stream_ssl_new ()
{
CamelTcpStreamSSL *stream;
stream = CAMEL_TCP_STREAM_SSL (camel_object_new (camel_tcp_stream_ssl_get_type ()));
return CAMEL_STREAM (stream);
}
static ssize_t
stream_read (CamelStream *stream, char *buffer, size_t n)
{
CamelTcpStreamSSL *tcp_stream_ssl = CAMEL_TCP_STREAM_SSL (stream);
ssize_t nread;
do {
nread = PR_Read (tcp_stream_ssl->sockfd, buffer, n);
} while (nread == -1 && errno == EINTR);
return nread;
}
static ssize_t
stream_write (CamelStream *stream, const char *buffer, size_t n)
{
CamelTcpStreamSSL *tcp_stream_ssl = CAMEL_TCP_STREAM_SSL (stream);
ssize_t v, written = 0;
do {
v = PR_Write (tcp_stream_ssl->sockfd, buffer, n);
if (v > 0)
written += v;
} while (v == -1 && errno == EINTR);
if (v == -1)
return -1;
else
return written;
}
static int
stream_flush (CamelStream *stream)
{
return PR_Fsync (((CamelTcpStreamSSL *)stream)->sockfd);
}
static int
stream_close (CamelStream *stream)
{
g_warning ("CamelTcpStreamSSL::close: Better to call ::disconnect.\n");
return PR_Close (((CamelTcpStreamSSL *)stream)->sockfd);
}
static int
stream_connect (CamelTcpStream *stream, struct hostent *host, int port)
{
CamelTcpStreamSSL *ssl = CAMEL_TCP_STREAM_SSL (stream);
PRIntervalTime timeout;
PRNetAddr netaddr;
PRFileDesc *fd;
g_return_val_if_fail (host != NULL, -1);
memset ((void *) &netaddr, 0, sizeof (PRNetAddr));
memcpy (&netaddr.inet.ip, host->h_addr, sizeof (netaddr.inet.ip));
if (PR_InitializeNetAddr (PR_IpAddrNull, port, &netaddr) == PR_FAILUE)
return -1;
fd = PR_OpenTCPSocket (host->h_addrtype);
if (fd == NULL || PR_Connect (fd, &netaddr, timeout) == PR_FAILURE) {
if (fd != NULL)
PR_Close (fd);
return -1;
}
ssl->sockfd = fd;
return 0;
}
static int
stream_disconnect (CamelTcpStream *stream)
{
PRStatus status;
status = PR_Shutdown (((CamelTcpStreamSSL *)stream)->sockfd, PR_SHUTDOWN_BOTH);
if (status == PR_FAILURE)
return -1;
return PR_Close (((CamelTcpStreamSSL *)stream)->sockfd);
}
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