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123 lines
3.7 KiB
123 lines
3.7 KiB
/*
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* $Id$
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*
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* Copyright (C) 2001-2006 FhG FOKUS
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @brief SL - API definitions
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* @ingroup sl
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* Module: @ref sl
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*/
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#ifndef _SL_H_
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#define _SL_H_
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#include "../../sr_module.h"
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#include "../../parser/msg_parser.h"
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/* callback for SL events */
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#define SLCB_REPLY_READY (1<<0) /* stateless reply ready to be sent */
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#define SLCB_ACK_FILTERED (1<<1) /* stateless ACK filtered */
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/**
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* @brief SL callback parameter structure
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*/
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typedef struct sl_cbp {
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unsigned int type; /* type of callback */
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sip_msg_t *req; /* SIP request to reply to, or filtered ACK */
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int code; /* reply status code */
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str *reason; /* reply reason phrase */
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str *reply; /* raw content of the reply to be sent */
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struct dest_info *dst; /* info about destination address */
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void *cbp; /* parameter from callback registration */
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} sl_cbp_t;
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/**
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* @brief SL callback function prototype
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*/
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typedef void (*sl_cbf_f)(sl_cbp_t *slcbp);
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/**
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* @bried SL callback structure definition
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*/
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typedef struct sl_cbelem {
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unsigned int type; /* type of callback - can be a mask of types */
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sl_cbf_f cbf; /* pointer to callback function */
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void *cbp; /* param to callback function */
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struct sl_cbelem* next; /* next sl_cbelem value */
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} sl_cbelem_t;
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void sl_destroy_callbacks_list(void);
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typedef int (*sl_register_cb_f)(sl_cbelem_t *cbe);
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int sl_register_callback(sl_cbelem_t *cbe);
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void sl_run_callbacks(unsigned int type, struct sip_msg *req,
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int code, char *reason, str *reply, struct dest_info *dst);
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/* prototypes for SL API funtions */
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typedef int (*get_reply_totag_f)(struct sip_msg *msg, str *tag);
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typedef int (*send_reply_f)(struct sip_msg *msg, int code, str *reason);
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typedef int (*sl_send_reply_f)(struct sip_msg *msg, int code, char *reason);
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typedef int (*sl_send_sreply_f)(struct sip_msg *msg, int code, str *reason);
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typedef int (*sl_send_dreply_f)(struct sip_msg *msg, int code, str *reason,
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str *tag);
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/**
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* @brief Stateless (sl) API structure
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*/
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typedef struct sl_api {
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sl_send_reply_f zreply; /* send sl reply, reason is charz */
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sl_send_sreply_f sreply; /* send sl reply, reason is str */
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sl_send_dreply_f dreply; /* send sl reply with tag, reason is str */
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send_reply_f freply; /* send sl reply with tag, reason is str */
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get_reply_totag_f get_reply_totag;
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sl_register_cb_f register_cb;
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} sl_api_t;
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typedef int (*bind_sl_f)(sl_api_t* api);
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/**
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* @brief Load the SL API
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*/
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static inline int sl_load_api(sl_api_t *slb)
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{
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bind_sl_f bindsl;
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bindsl = (bind_sl_f)find_export("bind_sl", 0, 0);
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if ( bindsl == 0) {
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LM_ERR("cannot find bind_sl\n");
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return -1;
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}
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if (bindsl(slb)==-1)
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{
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LM_ERR("cannot bind sl api\n");
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return -1;
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}
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return 0;
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}
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#endif /* _SL_H_ */
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