joinremote.cpp

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** Linux Call Router                                                         **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** join functions for remote application                                     **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include "main.h"
  13 //#define __u8 unsigned char
  14 //#define __u16 unsigned short
  15 //#define __u32 unsigned int
  16
  17 extern unsigned int new_remote;
  18
  19 /*
  20  * constructor for a new join
  21  * the join will have a relation to the calling endpoint
  22  */
  23 JoinRemote::JoinRemote(unsigned int serial, char *remote_name, int remote_id) : Join()
  24 {
  25         union parameter param;
  26
  27         SCPY(j_remote_name, remote_name);
  28         j_remote_id = remote_id;
  29         j_type = JOIN_TYPE_REMOTE;
  30         j_remote_ref = new_remote++;
  31
  32         PDEBUG(DEBUG_JOIN, "Constructor(new join) ref=%d\n", j_remote_ref);
  33
  34         j_epoint_id = serial; /* this is the endpoint, if created by epoint */
  35         if (j_epoint_id)
  36                 PDEBUG(DEBUG_JOIN, "New remote join connected to endpoint id %lu and application %s (ref=%d)\n", j_epoint_id, remote_name, j_remote_ref);
  37
  38         /* send new ref to remote socket */
  39         memset(&param, 0, sizeof(union parameter));
  40         if (serial)
  41                 param.newref.direction = 1; /* new ref from lcr */
  42         if (admin_message_from_lcr(j_remote_id, j_remote_ref, MESSAGE_NEWREF, &param)<0)
  43                 FATAL("No socket with remote application '%s' found, this shall not happen. because we already created one.\n", j_remote_name);
  44 }
  45
  46
  47 /*
  48  * join descructor
  49  */
  50 JoinRemote::~JoinRemote()
  51 {
  52 }
  53
  54 void JoinRemote::message_epoint(unsigned int epoint_id, int message_type, union parameter *param)
  55 {
  56         /* if endpoint has just been removed, but still a message in the que */
  57         if (epoint_id != j_epoint_id)
  58                 return;
  59
  60         PDEBUG(DEBUG_JOIN, "Message %d of endpoint %d from LCR to remote (ref=%d)\n", message_type, j_epoint_id, j_remote_ref);
  61
  62         /* look for Remote's interface */
  63         if (admin_message_from_lcr(j_remote_id, j_remote_ref, message_type, param)<0) {
  64                 PERROR("No socket with remote application '%s' found, this shall not happen. Closing socket shall cause release of all joins.\n", j_remote_name);
  65                 return;
  66         }
  67
  68         if (message_type == MESSAGE_RELEASE) {
  69                 delete this;
  70                 return;
  71         }
  72 }
  73
  74 void JoinRemote::message_remote(int message_type, union parameter *param)
  75 {
  76         struct lcr_msg *message;
  77
  78         PDEBUG(DEBUG_JOIN, "Message %d of endpoint %d from remote to LCR (ref=%d)\n", message_type, j_epoint_id, j_remote_ref);
  79
  80         /* create relation if no relation exists */
  81         if (!j_epoint_id) {
  82                 class Endpoint          *epoint;
  83
  84                 if (!(epoint = new Endpoint(0, j_serial)))
  85                         FATAL("No memory for Endpoint instance\n");
  86                 j_epoint_id = epoint->ep_serial;
  87                 PDEBUG(DEBUG_JOIN, "Created endpoint %d\n", j_epoint_id);
  88                 epoint->ep_app = new_endpointapp(epoint, 1, EAPP_TYPE_PBX); // outgoing
  89         }
  90
  91         /* set serial on bchannel message
  92          * also ref is given, so we send message with ref */
  93         if (message_type == MESSAGE_BCHANNEL) {
  94                 message_bchannel_from_remote(this, param->bchannel.type, param->bchannel.handle);
  95                 return;
  96         }
  97
  98         /* cannot just forward, because param is not of container "struct lcr_msg" */
  99         message = message_create(j_serial, j_epoint_id, JOIN_TO_EPOINT, message_type);
 100         memcpy(&message->param, param, sizeof(message->param));
 101         message_put(message);
 102
 103         if (message_type == MESSAGE_RELEASE) {
 104                 delete this;
 105                 return;
 106         }
 107 }
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