200 lines
5.5 KiB
C
200 lines
5.5 KiB
C
/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2006 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/**@CFILE nua_message.c
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* @brief MESSAGE method
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*
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* @author Pekka Pessi <Pekka.Pessi@nokia.com>
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*
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* @date Created: Wed Mar 8 17:01:22 EET 2006 ppessi
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*/
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#include "config.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <assert.h>
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#include <sofia-sip/string0.h>
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#include <sofia-sip/sip_protos.h>
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#include <sofia-sip/sip_status.h>
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#define NTA_LEG_MAGIC_T struct nua_handle_s
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#define NTA_OUTGOING_MAGIC_T struct nua_handle_s
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#include "nua_stack.h"
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/* ======================================================================== */
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/* MESSAGE */
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/** Send an instant message.
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*
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* Send an instant message using SIP MESSAGE method.
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*
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* @param nh Pointer to operation handle
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* @param tag, value, ... List of tagged parameters
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*
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* @return
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* nothing
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*
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* @par Related Tags:
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* NUTAG_URL() \n
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* Tags of nua_set_hparams() \n
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* Tags in <sip_tag.h>
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*
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* @par Events:
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* #nua_r_message
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*
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* @sa #nua_i_message, @RFC3428
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*/
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static int process_response_to_message(nua_handle_t *nh,
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nta_outgoing_t *orq,
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sip_t const *sip);
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int
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nua_stack_message(nua_t *nua, nua_handle_t *nh, nua_event_t e, tagi_t const *tags)
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{
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nua_client_request_t *cr = nh->nh_ds->ds_cr;
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msg_t *msg;
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sip_t *sip;
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if (nh_is_special(nh)) {
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return UA_EVENT2(e, 900, "Invalid handle for MESSAGE");
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}
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else if (cr->cr_orq) {
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return UA_EVENT2(e, 900, "Request already in progress");
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}
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nua_stack_init_handle(nua, nh, TAG_NEXT(tags));
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msg = nua_creq_msg(nua, nh, cr, cr->cr_retry_count,
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SIP_METHOD_MESSAGE,
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NUTAG_ADD_CONTACT(NH_PGET(nh, win_messenger_enable)),
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TAG_NEXT(tags));
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sip = sip_object(msg);
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if (sip)
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cr->cr_orq = nta_outgoing_mcreate(nua->nua_nta,
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process_response_to_message, nh, NULL,
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msg,
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SIPTAG_END(), TAG_NEXT(tags));
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if (!cr->cr_orq) {
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msg_destroy(msg);
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return UA_EVENT1(e, NUA_INTERNAL_ERROR);
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}
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return cr->cr_event = e;
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}
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void restart_message(nua_handle_t *nh, tagi_t *tags)
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{
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nua_creq_restart(nh, nh->nh_ds->ds_cr, process_response_to_message, tags);
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}
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/** @NUA_EVENT nua_r_message
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*
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* Response to an outgoing @b MESSAGE request.
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*
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* @param status response status code
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* (if the request is retried, @a status is 100, the @a
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* sip->sip_status->st_status contain the real status code
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* from the response message, e.g., 302, 401, or 407)
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* @param phrase a short textual description of @a status code
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* @param nh operation handle associated with the message
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* @param hmagic application context associated with the handle
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* @param sip response to MESSAGE request or NULL upon an error
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* (status code is in @a status and
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* descriptive message in @a phrase parameters)
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* @param tags empty
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*
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* @sa nua_message(), #nua_i_message, @RFC3428
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*
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* @END_NUA_EVENT
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*/
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static int process_response_to_message(nua_handle_t *nh,
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nta_outgoing_t *orq,
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sip_t const *sip)
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{
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if (nua_creq_check_restart(nh, nh->nh_ds->ds_cr, orq, sip, restart_message))
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return 0;
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return nua_stack_process_response(nh, nh->nh_ds->ds_cr, orq, sip, TAG_END());
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}
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/** @NUA_EVENT nua_i_message
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*
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* @brief Incoming @b MESSAGE request.
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*
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* The @b MESSAGE request does not create a dialog. If the incoming @b
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* MESSAGE request is not assiciated with an existing dialog the stack
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* creates a new handle for it. If the handle @a nh is not bound, you should
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* probably destroy it after responding to the MESSAGE request.
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*
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* @param status status code of response sent automatically by stack
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* @param phrase a short textual description of @a status code
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* @param nh operation handle associated with the message
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* @param hmagic application context associated with the handle
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* (maybe NULL if outside session)
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* @param sip incoming MESSAGE request
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* @param tags empty
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*
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* @sa nua_message(), #nua_r_message, @RFC3428, @RFC3862
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*
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* @END_NUA_EVENT
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*/
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int nua_stack_process_message(nua_t *nua,
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nua_handle_t *nh,
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nta_incoming_t *irq,
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sip_t const *sip)
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{
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msg_t *msg;
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if (nh
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? !NH_PGET(nh, message_enable)
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: !DNH_PGET(nua->nua_dhandle, message_enable))
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return 403;
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if (nh == NULL)
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if (!(nh = nua_stack_incoming_handle(nua, irq, sip, 0)))
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return 500; /* respond with 500 Internal Server Error */
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msg = nta_incoming_getrequest(irq);
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nua_stack_event(nh->nh_nua, nh, msg, nua_i_message, SIP_200_OK, TAG_END());
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#if 0 /* XXX */
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if (nh->nh_nua->nua_messageRespond) {
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nh->nh_irq = irq;
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return 0;
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}
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#endif
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return 200;
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}
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