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97 lines
3.5 KiB
97 lines
3.5 KiB
/*
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* $Id$
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*
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* Copyright (C) 2012 Smile Communications, jason.penton@smilecoms.com
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* Copyright (C) 2012 Smile Communications, richard.good@smilecoms.com
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*
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* The initial version of this code was written by Dragos Vingarzan
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* (dragos(dot)vingarzan(at)fokus(dot)fraunhofer(dot)de and the
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* Fruanhofer Institute. It was and still is maintained in a separate
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* branch of the original SER. We are therefore migrating it to
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* Kamailio/SR and look forward to maintaining it from here on out.
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* 2011/2012 Smile Communications, Pty. Ltd.
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* ported/maintained/improved by
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* Jason Penton (jason(dot)penton(at)smilecoms.com and
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* Richard Good (richard(dot)good(at)smilecoms.com) as part of an
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* effort to add full IMS support to Kamailio/SR using a new and
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* improved architecture
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*
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* NB: Alot of this code was originally part of OpenIMSCore,
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* FhG Fokus.
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* Copyright (C) 2004-2006 FhG Fokus
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* Thanks for great work! This is an effort to
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* break apart the various CSCF functions into logically separate
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* components. We hope this will drive wider use. We also feel
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* that in this way the architecture is more complete and thereby easier
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* to manage in the Kamailio/SR environment
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio 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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* Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __RECEIVER_H
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#define __RECEIVER_H
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#include "peer.h"
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#include "diameter.h"
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/** Maximum incoming message length */
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#define DP_MAX_MSG_LENGTH 65536
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#define DIAMETER_HEADER_LEN 20
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typedef enum {
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Receiver_Waiting=0,
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Receiver_Header=1,
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Receiver_Rest_of_Message=2
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} receiver_state_t;
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/** list of receiver attached peers */
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typedef struct _serviced_peer_t {
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peer *p; /**< the attached peer */
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int tcp_socket; /**< socket used for the Diameter communication */
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str send_pipe_name; /**< name of the pipe to signal messages to be sent out */
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int send_pipe_fd; /**< reader from the pipe to signal messages to be sent out */
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int send_pipe_fd_out; /**< keep-alive writer for the pipe to signal messages to be sent out */
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receiver_state_t state; /**< current receiving state */
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char buf[DIAMETER_HEADER_LEN]; /**< buffer to receive header into */
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int buf_len; /**< received bytes in the header */
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int length; /**< length of the message as written in the header */
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char *msg; /**< dynamic buffer for receiving one message */
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int msg_len; /**< received bytes in the dynamic buffer */
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struct _serviced_peer_t *next; /**< first peer in the list */
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struct _serviced_peer_t *prev; /**< last peer in the list */
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} serviced_peer_t;
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int receiver_init(peer *p);
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void receiver_process(peer *p);
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int receiver_send_socket(int sock,peer *p);
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int peer_connect(peer *p);
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int peer_send(peer *p,int sock,AAAMessage *msg,int locked);
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int peer_send_msg(peer *p,AAAMessage *msg);
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#endif
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