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113 lines
2.9 KiB
113 lines
2.9 KiB
/**
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* Copyright (C) 2015 Bicom Systems Ltd, (bicomsystems.com)
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*
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* Author: Seudin Kasumovic (seudin.kasumovic@gmail.com)
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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 CNODE_H_
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#define CNODE_H_
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#include <ei.h>
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/**
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* Listener for handling requests from connected nodes.
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*/
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typedef struct cnode_handler_s
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{
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/* d-linked list */
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struct handler_common_s *prev;
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struct handler_common_s *next;
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/* if need to add new in i/o handler */
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struct handler_common_s *new;
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/*
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* this handler is erlang C node server
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* handles requests from remote erlang node
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*/
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int (*handle_f)(handler_common_t *phandler_t);
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int (*wait_tmo_f)(handler_common_t *phandler_t);
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int (*destroy_f)(handler_common_t *phandler_t);
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int sockfd; /* connection socket to remote erlang node */
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ei_cnode ec; /* erlang C node (actually it's kamailio node) */
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/*
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* connection descriptor
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* remote node info
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*/
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ErlConnect conn;
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/* request/response buffers */
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ei_x_buff request;
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ei_x_buff response;
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/*
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* ERL_TICK time out
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*/
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int tick_tmo;
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} cnode_handler_t;
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/*
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* active connection to Erlang node
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*/
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extern cnode_handler_t *enode;
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/* where to reply - reset to NULL after use */
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extern erlang_pid *cnode_reply_to_pid;
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typedef struct csockfd_handler_s
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{
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/* d-linked list */
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struct handler_common_s *prev;
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struct handler_common_s *next;
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struct handler_common_s *new;
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/* handle receive fd over csockfd */
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int (*handle_f)(handler_common_t *phandler_t);
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int (*wait_tmo_f)(handler_common_t *phandler_t);
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int (*destroy_f)(handler_common_t *phandler_t);
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int sockfd; /* its csockfd */
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ei_cnode ec; /* erlang C node (actually it's kamailio node) */
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} csockfd_handler_t;
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extern csockfd_handler_t *csocket_handler;
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int init_cnode_sockets(int idx);
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void cnode_main_loop(int idx);
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int handle_csockfd(handler_common_t *phandler_t);
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int csockfd_init(csockfd_handler_t *phandler_t, const ei_cnode *ei);
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int handle_cnode(handler_common_t *phandler_t);
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int wait_cnode_tmo(handler_common_t *phandler_t);
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int destroy_cnode(handler_common_t *phandler_t);
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int cnode_connect_to(cnode_handler_t *phandler, ei_cnode *ec, const str *nodename );
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int enode_connect();
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enum erl_handle_type {
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ERL_EPMD_H = 1,
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ERL_CNODE_H,
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ERL_WORKER_H,
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ERL_CSOCKFD_H
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};
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#endif /* CNODE_H_ */
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