144 lines
4.2 KiB
C++
144 lines
4.2 KiB
C++
/*****************************************************************************\
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** **
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** Linux Call Router **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** join functions for remote application **
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** **
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\*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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//#include <unistd.h>
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//#include <poll.h>
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//#include <sys/types.h>
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//#include <sys/stat.h>
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//#include <fcntl.h>
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#include "main.h"
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//#define __u8 unsigned char
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//#define __u16 unsigned short
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//#define __u32 unsigned long
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//#include "linux/isdnif.h"
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/*
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* constructor for a new join
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* the join will have a relation to the calling endpoint
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*/
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JoinRemote::JoinRemote(unsigned long serial, char *remote_name, int remote_id) : Join()
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{
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PDEBUG(DEBUG_JOIN, "Constructor(new join)");
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union parameter param;
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SCPY(j_remote_name, remote_name);
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j_remote_id = remote_id;
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j_type = JOIN_TYPE_REMOTE;
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j_epoint_id = serial; /* this is the endpoint, if created by epoint */
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if (j_epoint_id)
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PDEBUG(DEBUG_JOIN, "New remote join connected to endpoint id %lu and application %s\n", j_epoint_id, remote_name);
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/* send new ref to remote socket */
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memset(¶m, 0, sizeof(union parameter));
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if (serial)
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param.direction = 1; /* new ref from lcr */
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/* the j_serial is assigned by Join() parent. this is sent as new ref */
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if (admin_message_from_join(j_remote_id, j_serial, MESSAGE_NEWREF, ¶m)<0)
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FATAL("No socket with remote application '%s' found, this shall not happen. because we already created one.\n", j_remote_name);
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}
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/*
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* join descructor
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*/
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JoinRemote::~JoinRemote()
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{
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}
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/* join process is called from the main loop
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* it processes the current calling state.
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* returns 0 if join nothing was done
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*/
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int JoinRemote::handler(void)
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{
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return(0);
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}
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void JoinRemote::message_epoint(unsigned long epoint_id, int message_type, union parameter *param)
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{
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/* if endpoint has just been removed, but still a message in the que */
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if (epoint_id != j_epoint_id)
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return;
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/* look for Remote's interface */
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if (admin_message_from_join(j_remote_id, j_serial, message_type, param)<0)
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{
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PERROR("No socket with remote application '%s' found, this shall not happen. Closing socket shall cause release of all joins.\n", j_remote_name);
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return;
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}
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if (message_type == MESSAGE_RELEASE)
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{
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delete this;
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return;
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}
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}
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void JoinRemote::message_remote(int message_type, union parameter *param)
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{
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struct message *message;
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/* create relation if no relation exists */
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if (!j_epoint_id)
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{
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class Endpoint *epoint;
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if (!(epoint = new Endpoint(0, j_serial)))
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FATAL("No memory for Endpoint instance\n");
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j_epoint_id = epoint->ep_serial;
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if (!(epoint->ep_app = new DEFAULT_ENDPOINT_APP(epoint)))
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FATAL("No memory for Endpoint Application instance\n");
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}
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/* set serial on bchannel message
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* also ref is given, so we send message with ref */
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if (message_type == MESSAGE_BCHANNEL)
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{
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message_bchannel_from_join(this, param->bchannel.type, param->bchannel.addr);
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return;
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}
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/* cannot just forward, because param is not of container "struct message" */
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message = message_create(j_serial, j_epoint_id, JOIN_TO_EPOINT, message_type);
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memcpy(&message->param, param, sizeof(message->param));
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message_put(message);
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if (message_type == MESSAGE_RELEASE)
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{
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delete this;
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return;
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}
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}
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void message_bchannel_to_join(unsigned long remote_id, unsigned long ref, int type, unsigned long addr)
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{
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union parameter param;
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memset(¶m, 0, sizeof(union parameter));
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param.bchannel.type = type;
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param.bchannel.addr = addr;
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if (admin_message_from_join(remote_id, ref, MESSAGE_BCHANNEL, ¶m)<0)
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{
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PERROR("No socket with remote id %d found, this happens, if the socket is closed before all bchannels are imported.\n", remote_id);
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return;
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}
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}
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