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/**
* @file slpmsg.h SLP Message functions
*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "msn.h"
#include "slpmsg.h"
#include "slplink.h"
/**************************************************************************
* SLP Message
**************************************************************************/
MsnSlpMessage *
msn_slpmsg_new(MsnSlpLink *slplink)
{
MsnSlpMessage *slpmsg;
slpmsg = g_new0(MsnSlpMessage, 1);
#ifdef MSN_DEBUG_SLPMSG
purple_debug_info("msn", "slpmsg new (%p)\n", slpmsg);
#endif
slpmsg->slplink = slplink;
slplink->slp_msgs =
g_list_append(slplink->slp_msgs, slpmsg);
return slpmsg;
}
void
msn_slpmsg_destroy(MsnSlpMessage *slpmsg)
{
MsnSlpLink *slplink;
GList *cur;
g_return_if_fail(slpmsg != NULL);
#ifdef MSN_DEBUG_SLPMSG
purple_debug_info("msn", "slpmsg destroy (%p)\n", slpmsg);
#endif
slplink = slpmsg->slplink;
if (slpmsg->fp != NULL)
fclose(slpmsg->fp);
purple_imgstore_unref(slpmsg->img);
/* We don't want to free the data of the PurpleStoredImage,
* but to avoid code duplication, it's sharing buffer. */
if (slpmsg->img == NULL)
g_free(slpmsg->buffer);
#ifdef MSN_DEBUG_SLP
/*
if (slpmsg->info != NULL)
g_free(slpmsg->info);
*/
#endif
for (cur = slpmsg->msgs; cur != NULL; cur = cur->next)
{
/* Something is pointing to this slpmsg, so we should remove that
* pointer to prevent a crash. */
/* Ex: a user goes offline and after that we receive an ACK */
MsnMessage *msg = cur->data;
#ifdef MSN_DEBUG_SLPMSG
purple_debug_info("msn", "Unlink slpmsg callbacks.\n");
#endif
msg->ack_cb = NULL;
msg->nak_cb = NULL;
msg->ack_data = NULL;
}
g_list_free(slpmsg->msgs);
slplink->slp_msgs = g_list_remove(slplink->slp_msgs, slpmsg);
g_free(slpmsg);
}
void
msn_slpmsg_set_body(MsnSlpMessage *slpmsg, const char *body,
long long size)
{
/* We can only have one data source at a time. */
g_return_if_fail(slpmsg->buffer == NULL);
g_return_if_fail(slpmsg->img == NULL);
g_return_if_fail(slpmsg->fp == NULL);
if (body != NULL)
slpmsg->buffer = g_memdup(body, size);
else
slpmsg->buffer = g_new0(guchar, size);
slpmsg->size = size;
}
void
msn_slpmsg_set_image(MsnSlpMessage *slpmsg, PurpleStoredImage *img)
{
/* We can only have one data source at a time. */
g_return_if_fail(slpmsg->buffer == NULL);
g_return_if_fail(slpmsg->img == NULL);
g_return_if_fail(slpmsg->fp == NULL);
slpmsg->img = purple_imgstore_ref(img);
slpmsg->buffer = (guchar *)purple_imgstore_get_data(img);
slpmsg->size = purple_imgstore_get_size(img);
}
#ifdef MSN_DEBUG_SLP
void
msn_slpmsg_show(MsnMessage *msg)
{
const char *info;
gboolean text;
guint32 flags;
text = FALSE;
flags = GUINT32_TO_LE(msg->msnslp_header.flags);
switch (flags)
{
case 0x0:
info = "SLP CONTROL";
text = TRUE;
break;
case 0x2:
info = "SLP ACK"; break;
case 0x20:
case 0x1000030:
info = "SLP DATA"; break;
default:
info = "SLP UNKNOWN"; break;
}
msn_message_show_readable(msg, info, text);
}
#endif
MsnSlpMessage *
msn_slpmsg_sip_new(MsnSlpCall *slpcall, int cseq,
const char *header, const char *branch,
const char *content_type, const char *content)
{
MsnSlpLink *slplink;
MsnSlpMessage *slpmsg;
char *body;
gsize body_len;
gsize content_len;
g_return_val_if_fail(slpcall != NULL, NULL);
g_return_val_if_fail(header != NULL, NULL);
slplink = slpcall->slplink;
/* Let's remember that "content" should end with a 0x00 */
content_len = (content != NULL) ? strlen(content) + 1 : 0;
body = g_strdup_printf(
"%s\r\n"
"To: <msnmsgr:%s>\r\n"
"From: <msnmsgr:%s>\r\n"
"Via: MSNSLP/1.0/TLP ;branch={%s}\r\n"
"CSeq: %d\r\n"
"Call-ID: {%s}\r\n"
"Max-Forwards: 0\r\n"
"Content-Type: %s\r\n"
"Content-Length: %" G_GSIZE_FORMAT "\r\n"
"\r\n",
header,
slplink->remote_user,
slplink->local_user,
branch,
cseq,
slpcall->id,
content_type,
content_len);
body_len = strlen(body);
if (content_len > 0)
{
body_len += content_len;
body = g_realloc(body, body_len);
g_strlcat(body, content, body_len);
}
slpmsg = msn_slpmsg_new(slplink);
msn_slpmsg_set_body(slpmsg, body, body_len);
slpmsg->sip = TRUE;
slpmsg->slpcall = slpcall;
g_free(body);
return slpmsg;
}
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