167 lines
5.0 KiB
C
167 lines
5.0 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_extension.c
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* @brief Extension 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: Mon Nov 13 15:18:54 EET 2006
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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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#include "nua_stack.h"
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/**Send a request message with an extension method.
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*
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* Send a request message with the request method specified with
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* NUTAG_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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* Note that it is possible to send a request with any method (except
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* perhaps @b INVITE, @b ACK or @b CANCEL) using this function.
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*
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* @par Related Tags:
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* NUTAG_METHOD() \n
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* NUTAG_URL() \n
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* Tags of nua_set_hparams() \n
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* Header tags defined in <sofia-sip/sip_tag.h>
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*
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* @par Events:
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* #nua_r_method
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*
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* @sa SIP_METHOD_UNKNOWN(), #nua_r_method, #nua_i_method
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*
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* @since New in @VERSION_1_12_4.
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*/
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static nua_client_methods_t const nua_method_client_methods = {
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SIP_METHOD_UNKNOWN, /* crm_method, crm_method_name */
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0, /* crm_extra */
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{ /* crm_flags */
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/* create_dialog */ 0,
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/* in_dialog */ 0,
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/* target_refresh */ 1,
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},
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NULL, /* crm_template */
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NULL, /* crm_init */
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NULL, /* crm_send */
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NULL, /* crm_check_restart */
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NULL, /* crm_recv */
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NULL, /* crm_preliminary */
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NULL, /* crm_report */
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NULL, /* crm_complete */
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};
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int
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nua_stack_method(nua_t *nua, nua_handle_t *nh, nua_event_t e, tagi_t const *tags)
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{
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return nua_client_create(nh, e, &nua_method_client_methods, tags);
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}
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/** @NUA_EVENT nua_r_method
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*
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* Response to an outgoing extension 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 method, 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 method
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* @param hmagic application context associated with the handle
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* @param sip response to the extension request or NULL upon an error
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* (status code is in @a status and
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* descriptive method in @a phrase parameters)
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* @param tags empty
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*
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* @sa nua_method(), #nua_i_method, @RFC3428
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*
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* @END_NUA_EVENT
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*/
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/** @NUA_EVENT nua_i_method
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*
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* @brief Incoming extension request.
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*
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* The extension request does not create a dialog. If the incoming request
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* was not assiciated with an existing dialog the stack creates a new handle
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* for it. If the handle @a nh is not bound, you should probably destroy it
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* after responding to the 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 method
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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 headers in incoming request (see also nua_current_request())
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* @param tags NUTAG_METHOD()
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*
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* The extension method name is in sip->sip_request->rq_method_name, too.
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*
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* @note If the @a status is < 200, it is up to application to respond to
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* the request with nua_respond(). If the handle is destroyed, the stack
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* returns a <i>500 Internal Server Error</i> response to any unresponded
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* request.
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*
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* @sa nua_method(), #nua_r_method, NUTAG_ALLOW(), NUTAG_APPL_METHOD(),
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* nua_respond(), NUTAG_WITH(), NUTAG_WITH_THIS(), NUTAG_
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*
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* @END_NUA_EVENT
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*/
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nua_server_methods_t const nua_extension_server_methods =
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{
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SIP_METHOD_UNKNOWN,
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nua_i_method, /* Event */
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{
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1, /* Do create dialog */
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0, /* Can be an initial request */
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1, /* Perhaps a target refresh request? */
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1, /* Add a contact? */
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},
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nua_base_server_init,
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nua_base_server_preprocess,
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nua_base_server_params,
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nua_base_server_respond,
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nua_base_server_report,
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};
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