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itund/capiconn.c

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/*
* CAPI connection handling
*
* heavily based on capiconn.* of pppdcapiplugin by
* Carsten Paeth (calle@calle.in-berlin.de)
*
* Copyright 2004 SYSGO Real-Time Solutions AG
* Klein-Winternheim, Germany
* All rights reserved.
*
* Author: Armin Schindler <armin.schindler@sysgo.com>
*
* $Id$
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <stdio.h> /* snprintf */
#include <stdlib.h>
#include <string.h>
#include "isdntun.h"
#include "capiconn.h"
/* xxxxxxxxxxxxxxxxxx */
static _cmsg cmdcmsg;
static _cmsg cmsg;
/* -------- defines -------------------------------------------------- */
#ifndef CAPI_MAXDATAWINDOW
#define CAPI_MAXDATAWINDOW 4
#endif
/* -------- type definitions ----------------------------------------- */
struct capiconn_context {
struct capiconn_context *next;
unsigned appid;
struct capiconn_callbacks *cb;
int ncontr;
struct capi_contr *contr_list;
/* statistic */
unsigned long nrecvctlpkt;
unsigned long nrecvdatapkt;
unsigned long nsentctlpkt;
unsigned long nsentdatapkt;
};
struct capi_contr {
struct capi_contr *next;
struct capiconn_context *ctx;
unsigned contrnr;
struct capi_contrinfo cinfo;
unsigned ddilen;
/*
* LISTEN state
*/
int state;
_cdword infomask;
_cdword cipmask;
_cdword cipmask2;
/*
* ID of capi message sent
*/
_cword msgid;
/*
* B-Channels
*/
int nbchan;
struct capi_connection {
struct capi_connection *next;
struct capi_contr *contr;
struct capiconn_context *ctx;
struct capi_conninfo conninfo;
unsigned incoming:1,
disconnecting:1,
localdisconnect:1,
callednumbercomplete:1;
_cword disconnectreason;
_cword disconnectreason_b3;
_cdword plci;
_cdword ncci; /* ncci for CONNECT_ACTIVE_IND */
_cword msgid; /* to identfy CONNECT_CONF */
int state;
struct capi_ncci {
struct capi_connection *plcip;
struct capiconn_context *ctx;
_cdword ncci;
_cword msgid; /* to identfy CONNECT_B3_CONF */
int state;
int oldstate;
/* */
_cword datahandle;
struct ncci_datahandle_queue {
struct ncci_datahandle_queue *next;
_cword datahandle;
unsigned char *data;
} *ackqueue;
int ackqueuelen;
} *nccip;
} *connections;
};
typedef struct capi_ncci capi_ncci;
typedef struct capi_contr capi_contr;
typedef struct ncci_datahandle_queue ncci_datahandle_queue;
/* -------- data definitions ----------------------------------------- */
capiconn_context *context_list = 0;
/* -------- context handling ----------------------------------------- */
capiconn_context *
capiconn_getcontext(unsigned appid, capiconn_callbacks *cb)
{
capiconn_context *ctx;
if ((ctx = ((*cb->malloc)(sizeof(capiconn_context)))) == 0)
return 0;
memset(ctx, 0, sizeof(capiconn_context));
ctx->appid = appid;
ctx->cb = cb;
ctx->next = context_list;
context_list = ctx;
return ctx;
};
static void free_all_cards(capiconn_context *ctx)
{
}
int
capiconn_freecontext(capiconn_context *ctx)
{
capiconn_context **pp;
for (pp = &context_list; *pp; pp = &(*pp)->next) {
if (*pp == ctx) {
*pp = (*pp)->next;
free_all_cards(ctx);
(*ctx->cb->free)(ctx);
return 0;
}
}
return -1;
}
static inline capiconn_context *find_context(unsigned appid)
{
capiconn_context *p;
for (p = context_list; p; p = p->next)
if (p->appid == appid)
return p;
return 0;
}
int
capiconn_addcontr(capiconn_context *ctx, unsigned contr, capi_contrinfo *cinfo)
{
capiconn_callbacks *cb = ctx->cb;
capi_contr *card;
if (!(card = (capi_contr *) (*cb->malloc)(sizeof(capi_contr))))
return CAPICONN_NO_MEMORY;
memset(card, 0, sizeof(capi_contr));
card->contrnr = contr;
card->cinfo = *cinfo;
card->ctx = ctx;
if (card->cinfo.ddi)
card->ddilen = strlen(card->cinfo.ddi);
card->next = ctx->contr_list;
ctx->contr_list = card;
ctx->ncontr++;
return CAPICONN_OK;
}
/* ------------------------------------------------------------------- */
static capi_contr *findcontrbynumber(capiconn_context *ctx, unsigned contr)
{
capi_contr *p;
for (p = ctx->contr_list; p; p = p->next)
if (p->contrnr == contr)
break;
return p;
}
/* -------- plci management ------------------------------------------ */
static capi_connection *new_plci(capi_contr * card, int incoming)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_connection *plcip;
plcip = (capi_connection *) (*cb->malloc)(sizeof(capi_connection));
if (plcip == 0)
return 0;
memset(plcip, 0, sizeof(capi_connection));
plcip->contr = card;
plcip->ctx = ctx;
plcip->incoming = incoming;
plcip->state = ST_PLCI_NONE;
plcip->plci = 0;
plcip->msgid = 0;
plcip->next = card->connections;
card->connections = plcip;
return plcip;
}
static capi_connection *find_plci_by_plci(capi_contr * card, _cdword plci)
{
capi_connection *p;
for (p = card->connections; p; p = p->next)
if (p->plci == plci)
return p;
return 0;
}
static capi_connection *find_plci_by_msgid(capi_contr * card, _cword msgid)
{
capi_connection *p;
for (p = card->connections; p; p = p->next)
if (p->msgid == msgid)
return p;
return 0;
}
static capi_connection *find_plci_by_ncci(capi_contr * card, _cdword ncci)
{
capi_connection *p;
for (p = card->connections; p; p = p->next)
if (p->plci == (ncci & 0xffff))
return p;
return 0;
}
static void free_plci(capi_contr * card, capi_connection * plcip)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_connection **pp;
for (pp = &card->connections; *pp; pp = &(*pp)->next) {
if (*pp == plcip) {
*pp = (*pp)->next;
(*cb->free)(plcip);
return;
}
}
(*cb->errmsg)("free_plci %p (0x%x) not found, Huh?",
plcip, plcip->plci);
}
/* -------- ncci management ------------------------------------------ */
static inline capi_ncci *new_ncci(capi_contr * card,
capi_connection * plcip,
_cdword ncci)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_ncci *nccip;
nccip = (capi_ncci *) (*cb->malloc)(sizeof(capi_ncci));
if (nccip == 0)
return 0;
memset(nccip, 0, sizeof(capi_ncci));
nccip->ctx = ctx;
nccip->ncci = ncci;
nccip->state = ST_NCCI_NONE;
nccip->plcip = plcip;
nccip->datahandle = 0;
plcip->nccip = nccip;
plcip->ncci = ncci;
return nccip;
}
static inline capi_ncci *find_ncci(capi_contr * card, _cdword ncci)
{
capi_connection *plcip;
if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
return 0;
return plcip->nccip;
}
static inline capi_ncci *find_ncci_by_msgid(capi_contr * card,
_cdword ncci, _cword msgid)
{
capi_connection *plcip;
if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
return 0;
return plcip->nccip;
}
static void free_ncci(capi_contr * card, capi_ncci *nccip)
{
capiconn_callbacks *cb = card->ctx->cb;
nccip->plcip->nccip = 0;
(*cb->free)(nccip);
}
/* ------------------------------------------------------------------- */
static void clr_conninfo1(capiconn_context *ctx, capi_conninfo *p)
{
capiconn_callbacks *cb = ctx->cb;
if (p->callednumber) {
(*cb->free)(p->callednumber);
p->callednumber = 0;
}
if (p->callingnumber) {
(*cb->free)(p->callingnumber);
p->callingnumber = 0;
}
}
static void clr_conninfo2(capiconn_context *ctx, capi_conninfo *p)
{
capiconn_callbacks *cb = ctx->cb;
if (p->b1config) {
(*cb->free)(p->b1config);
p->b1config = 0;
}
if (p->b2config) {
(*cb->free)(p->b2config);
p->b2config = 0;
}
if (p->b3config) {
(*cb->free)(p->b3config);
p->b3config = 0;
}
if (p->bchaninfo) {
(*cb->free)(p->bchaninfo);
p->bchaninfo = 0;
}
if (p->ncpi) {
(*cb->free)(p->ncpi);
p->ncpi = 0;
}
}
static void clr_conninfo(capiconn_context *ctx, capi_conninfo *p)
{
clr_conninfo1(ctx, p);
clr_conninfo2(ctx, p);
}
static int set_conninfo1a(capiconn_context *ctx,
capi_conninfo *p,
_cword cipvalue,
char *callednumber,
char *callingnumber)
{
capiconn_callbacks *cb = ctx->cb;
_cbyte len;
p->cipvalue = cipvalue;
if ((p->callednumber = (*cb->malloc)(128)) == 0)
goto fail;
if (callednumber) {
len = (_cbyte)strlen(callednumber);
if (callednumber[0] & 0x80) {
memcpy(p->callednumber+1, callednumber, len);
p->callednumber[0] = len;
p->callednumber[len+1] = 0;
} else {
memcpy(p->callednumber+2, callednumber, len);
p->callednumber[0] = len+1;
p->callednumber[1] = 0x81;
p->callednumber[len+2] = 0;
}
} else {
p->callednumber[0] = 0;
}
if ((p->callingnumber = (*cb->malloc)(128)) == 0)
goto fail;
if (callingnumber) {
len = (_cbyte)strlen(callingnumber);
memcpy(p->callingnumber+3, callingnumber, len);
p->callingnumber[0] = len+2;
p->callingnumber[1] = 0x00;
p->callingnumber[2] = 0x80;
p->callingnumber[len+3] = 0;
} else {
p->callingnumber[0] = 0;
}
return 0;
fail:
clr_conninfo1(ctx, p);
return -1;
}
static int set_conninfo1b(capiconn_context *ctx,
capi_conninfo *p,
_cword cipvalue,
_cstruct callednumber,
_cstruct callingnumber)
{
capiconn_callbacks *cb = ctx->cb;
_cbyte len;
p->cipvalue = cipvalue;
if ((p->callednumber = (*cb->malloc)(128)) == 0)
goto fail;
len = callednumber[0];
memcpy(p->callednumber, callednumber, len+1);
p->callednumber[len+1] = 0;
if ((p->callingnumber = (*cb->malloc)(128)) == 0)
goto fail;
len = callingnumber[0];
memcpy(p->callingnumber, callingnumber, len+1);
p->callingnumber[len+1] = 0;
return 0;
fail:
clr_conninfo1(ctx, p);
return -1;
}
static void extend_callednumber(capiconn_context *ctx, capi_conninfo *p,
char *number, _cbyte len)
{
capiconn_callbacks *cb = ctx->cb;
_cbyte *curnumber = p->callednumber+2;
_cbyte clen = p->callednumber[0]-2;
(*cb->debugmsg)("extend number %*.*s (len=%d)",
(int)len, (int)len, number, len);
if (len >= clen && memcmp(curnumber, number, clen) == 0) {
memcpy(p->callednumber + 2, number, len);
p->callednumber[0] = 2 + len;
} else {
memcpy(p->callednumber + p->callednumber[0], number, len);
p->callednumber[0] += len;
}
p->callednumber[p->callednumber[0]+1] = 0;
(*cb->debugmsg)("extended to %s", p->callednumber+2);
}
static int set_conninfo2(capiconn_context *ctx,
capi_conninfo *p,
_cword b1proto, _cword b2proto, _cword b3proto,
_cstruct b1config, _cstruct b2config, _cstruct b3config,
_cstruct bchaninfo, _cstruct ncpi)
{
capiconn_callbacks *cb = ctx->cb;
p->b1proto = b1proto;
p->b2proto = b2proto;
p->b3proto = b3proto;
if (b1config) {
if ((p->b1config = (*cb->malloc)(b1config[0]+1)) == 0)
goto fail;
memcpy(p->b1config, b1config, b1config[0]+1);
}
if (b2config) {
if ((p->b2config = (*cb->malloc)(b2config[0]+1)) == 0)
goto fail;
memcpy(p->b2config, b2config, b2config[0]+1);
}
if (b3config) {
if ((p->b3config = (*cb->malloc)(b3config[0]+1)) == 0)
goto fail;
memcpy(p->b3config, b3config, b3config[0]+1);
}
if (bchaninfo) {
if ((p->bchaninfo = (*cb->malloc)(bchaninfo[0]+1)) == 0)
goto fail;
memcpy(p->bchaninfo, bchaninfo, bchaninfo[0]+1);
}
if (ncpi) {
if ((p->ncpi = (*cb->malloc)(ncpi[0]+1)) == 0)
goto fail;
memcpy(p->ncpi, ncpi, ncpi[0]+1);
}
return 0;
fail:
clr_conninfo2(ctx, p);
return -1;
}
capi_conninfo *capiconn_getinfo(capi_connection *p)
{
p->conninfo.appid = p->ctx->appid;
p->conninfo.plci = p->plci;
p->conninfo.plci_state = p->state;
p->conninfo.ncci = p->ncci;
p->conninfo.ncci_state = p->nccip ? p->nccip->state : ST_NCCI_NONE;
p->conninfo.isincoming = p->incoming ? 1 : 0;
p->conninfo.disconnect_was_local = p->localdisconnect ? 1 : 0;
p->conninfo.disconnectreason = p->disconnectreason;
p->conninfo.disconnectreason_b3 = p->disconnectreason_b3;
return &p->conninfo;
}
/* ------------------------------------------------------------------- */
static int capi_add_ack(capi_ncci *nccip,
_cword datahandle,
unsigned char *data)
{
capiconn_context *ctx = nccip->ctx;
capiconn_callbacks *cb = ctx->cb;
ncci_datahandle_queue *n, **pp;
if (nccip->ackqueuelen >= CAPI_MAXDATAWINDOW)
return 0;
n = (ncci_datahandle_queue *)
(*cb->malloc)(sizeof(ncci_datahandle_queue));
if (!n) {
(cb->errmsg)("capiconn: cb->malloc ncci_datahandle failed");
return -1;
}
n->next = 0;
n->datahandle = datahandle;
n->data = data;
for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) ;
*pp = n;
nccip->ackqueuelen++;
return 0;
}
static unsigned char *capi_del_ack(capi_ncci *nccip, _cword datahandle)
{
capiconn_context *ctx = nccip->ctx;
capiconn_callbacks *cb = ctx->cb;
ncci_datahandle_queue **pp, *p;
unsigned char *data;
for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
if ((*pp)->datahandle == datahandle) {
p = *pp;
data = p->data;
*pp = (*pp)->next;
(*cb->free)(p);
nccip->ackqueuelen--;
return data;
}
}
return 0;
}
/* -------- convert and send capi message ---------------------------- */
static void send_message(capi_contr * card, _cmsg * cmsg)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_cmsg2message(cmsg, cmsg->buf);
(*cb->capi_put_message) (ctx->appid, cmsg->buf);
ctx->nsentctlpkt++;
}
/* -------- state machine -------------------------------------------- */
struct listenstatechange {
int actstate;
int nextstate;
int event;
};
static struct listenstatechange listentable[] =
{
{ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
{ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
{ 0, 0, 0 },
};
static void listen_change_state(capi_contr * card, int event)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
struct listenstatechange *p = listentable;
while (p->event) {
if (card->state == p->actstate && p->event == event) {
(*cb->debugmsg)("controller %d: listen_change_state %d -> %d",
card->contrnr, card->state, p->nextstate);
card->state = p->nextstate;
return;
}
p++;
}
(*cb->debugmsg)("controller %d: listen_change_state state=%d event=%d ????",
card->contrnr, card->state, event);
}
/* ------------------------------------------------------------------ */
static void p0(capi_contr * card, capi_connection * plcip)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
if (*cb->disconnected)
(*cb->disconnected)(plcip,
plcip->localdisconnect,
plcip->disconnectreason,
plcip->disconnectreason_b3);
clr_conninfo(ctx, &plcip->conninfo);
free_plci(card, plcip);
}
/* ------------------------------------------------------------------ */
struct plcistatechange {
int actstate;
int nextstate;
int event;
void (*changefunc) (capi_contr * card, capi_connection * plci);
};
static struct plcistatechange plcitable[] =
{
/* P-0 */
{ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, 0},
{ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, 0},
{ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, 0},
{ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, 0},
/* P-0.1 */
{ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
{ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, 0},
/* P-1 */
{ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-ACT */
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
{ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, 0},
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, 0},
/* P-2 */
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
{ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, 0},
{ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, 0},
/* P-3 */
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-4 */
{ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-5 */
{ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-6 */
{ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
/* P-0.Res */
{ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
{ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, 0},
/* P-RES */
{ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, 0},
/* P-HELD */
{ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, 0},
{ 0, 0, 0, 0 },
};
static void plci_change_state(capi_contr * card, capi_connection * plci, int event)
{
capiconn_callbacks *cb = card->ctx->cb;
struct plcistatechange *p = plcitable;
while (p->event) {
if (plci->state == p->actstate && p->event == event) {
(cb->debugmsg)("plci_change_state:0x%x %d -> %d event=%d",
plci->plci, plci->state, p->nextstate, event);
plci->state = p->nextstate;
if (p->changefunc)
p->changefunc(card, plci);
return;
}
p++;
}
(*cb->errmsg)("plci_change_state:0x%x state=%d event=%d ????",
card->contrnr, plci->plci, plci->state, event);
}
/* ------------------------------------------------------------------ */
static void n0(capi_contr * card, capi_ncci * ncci)
{
capiconn_context *ctx = card->ctx;
capi_fill_DISCONNECT_REQ(&cmsg,
ctx->appid,
card->msgid++,
ncci->plcip->plci,
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */ /* $$$$ */
0 /* Facilitydataarray */
);
send_message(card, &cmsg);
plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
free_ncci(card, ncci);
}
/* ------------------------------------------------------------------ */
struct nccistatechange {
int actstate;
int nextstate;
int event;
void (*changefunc) (capi_contr * card, capi_ncci * ncci);
};
static struct nccistatechange nccitable[] =
{
/* N-0 */
{ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, 0},
{ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, 0},
/* N-0.1 */
{ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, 0},
{ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
/* N-1 */
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, 0},
{ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, 0},
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-2 */
{ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, 0},
{ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-ACT */
{ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
{ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, 0},
{ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-3 */
{ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
{ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-4 */
{ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR,0},
/* N-5 */
{ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
{ 0, 0, 0, 0 },
};
static void ncci_change_state(capi_contr * card, capi_ncci * ncci, int event)
{
capiconn_callbacks *cb = card->ctx->cb;
struct nccistatechange *p = nccitable;
while (p->event) {
if (ncci->state == p->actstate && p->event == event) {
(*cb->debugmsg)("ncci_change_state:0x%x %d -> %d event=%d",
ncci->ncci, ncci->state, p->nextstate, event);
if (p->nextstate == ST_NCCI_PREVIOUS) {
ncci->state = ncci->oldstate;
ncci->oldstate = p->actstate;
} else {
ncci->oldstate = p->actstate;
ncci->state = p->nextstate;
}
if (p->changefunc)
p->changefunc(card, ncci);
return;
}
p++;
}
(*cb->errmsg)("ncci_change_state:0x%x state=%d event=%d ????",
ncci->ncci, ncci->state, event);
}
/* ------------------------------------------------------------------- */
static void handle_controller(capiconn_context *ctx, _cmsg * cmsg)
{
capi_contr *card = findcontrbynumber(ctx, cmsg->adr.adrController&0x7f);
capiconn_callbacks *cb = ctx->cb;
if (!card) {
(*cb->errmsg)("capiconn: %s from unknown controller 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_LISTEN_CONF: /* Controller */
(*cb->debugmsg)("contr %d: listenconf Info=0x%04x (%s) infomask=0x%x cipmask=0x%x capimask2=0x%x",
card->contrnr, cmsg->Info,
capi_info2str(cmsg->Info),
card->infomask,
card->cipmask,
card->cipmask2);
if (cmsg->Info) {
listen_change_state(card, EV_LISTEN_CONF_ERROR);
} else if (card->cipmask == 0) {
listen_change_state(card, EV_LISTEN_CONF_EMPTY);
} else {
listen_change_state(card, EV_LISTEN_CONF_OK);
}
break;
case CAPI_MANUFACTURER_IND: /* Controller */
goto ignored;
case CAPI_MANUFACTURER_CONF: /* Controller */
goto ignored;
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
case CAPI_INFO_IND: /* Controller/plci */
goto ignored;
case CAPI_INFO_CONF: /* Controller/plci */
goto ignored;
default:
(*cb->errmsg)("got %s from controller 0x%x ???",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController);
}
return;
ignored:
(*cb->infomsg)("%s from controller 0x%x ignored",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController);
}
static void check_incoming_complete(capi_connection *plcip)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_contrinfo *cip = &card->cinfo;
unsigned ddilen = plcip->contr->ddilen;
if (ddilen) {
unsigned len = plcip->conninfo.callednumber[0]-2;
char *num = plcip->conninfo.callednumber+2;
char *start;
int ndigits;
if ((start = strstr(num, cip->ddi)) != 0)
len = strlen(start);
ndigits = len - ddilen;
if (ndigits < cip->ndigits) {
(*cb->debugmsg)("%d digits missing (%s)",
cip->ndigits-ndigits, num);
return;
}
}
if (plcip->callednumbercomplete)
return;
plcip->callednumbercomplete = 1;
if (*cb->incoming)
(*cb->incoming)(plcip,
plcip->contr->contrnr,
plcip->conninfo.cipvalue,
plcip->conninfo.callednumber+2,
plcip->conninfo.callingnumber+3);
if (plcip->state == ST_PLCI_INCOMING) {
/* call not accepted, rejected or ignored */
capi_fill_ALERT_REQ(&cmsg,
ctx->appid,
card->msgid++,
plcip->plci, /* adr */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0, /* Facilitydataarray */
0 /* SendingComplete */
);
plcip->msgid = cmsg.Messagenumber;
send_message(card, &cmsg);
}
}
static void handle_incoming_call(capi_contr * card, _cmsg * cmsg)
{
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_connection *plcip;
if ((plcip = new_plci(card, 1)) == 0) {
(*cb->errmsg)("incoming call on contr %d: no memory, sorry.", card->contrnr);
goto ignore;
}
plcip->plci = cmsg->adr.adrPLCI;
if (set_conninfo1b(ctx, &plcip->conninfo,
cmsg->CIPValue,
cmsg->CalledPartyNumber,
cmsg->CallingPartyNumber) < 0) {
free_plci(card, plcip);
goto ignore;
}
plci_change_state(card, plcip, EV_PLCI_CONNECT_IND);
(*cb->debugmsg)("incoming call contr=%d cip=%d %s -> %s",
card->contrnr,
cmsg->CIPValue,
plcip->conninfo.callingnumber + 3,
plcip->conninfo.callednumber + 2);
if (cb->incoming == 0)
goto ignore;
check_incoming_complete(plcip);
return;
ignore:
capi_fill_CONNECT_RESP(&cmdcmsg,
ctx->appid,
card->msgid++,
cmsg->adr.adrPLCI,
1, /* ignore call */
0,
0,
0,
0,
0,
0,
0,
0, /* ConnectedNumber */
0, /* ConnectedSubaddress */
0, /* LLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
send_message(card, &cmdcmsg);
}
static int handle_charge_info(capi_connection *plcip, _cmsg *cmsg)
{
capiconn_context *ctx = plcip->ctx;
capiconn_callbacks *cb = ctx->cb;
unsigned char *p = cmsg->InfoElement;
unsigned long charge = 0;
if ((cmsg->InfoNumber & 0x4000) && p[0] == 4) {
unsigned char *p = &cmsg->InfoElement[1];
charge |= ((unsigned)p[0]);
charge |= ((unsigned)p[1]) << 8;
charge |= ((unsigned)p[2]) << 16;
charge |= ((unsigned)p[3]) << 24;
if (cb->chargeinfo) {
if (cmsg->InfoNumber & 0x1)
(*cb->chargeinfo)(plcip, charge, 0);
else (*cb->chargeinfo)(plcip, charge, 1);
}
return 1;
} else if (cmsg->InfoNumber == 0x28) {
if (p[0] > 10 && memcmp("*AOC2*12*", p+1, 9) == 0) {
int i, len = p[0]-10;
if (len > 8) len = 8;
for (i=0; i < len; i++)
charge = charge * 10 + (p[10+i] - '0');
if (cb->chargeinfo)
(*cb->chargeinfo)(plcip, charge, 0);
return 1;
} else if (p[0] > 7 && memcmp("FR.", p+1, 3) == 0) {
int i, len = p[0]-3;
for (i=0; p[3+i] != '.' && i < len; i++)
charge = charge * 10 + (p[3+i] - '0');
charge = charge * 10;
if (p[3+i] == '.' && i+1 < len)
charge += (p[3+i+1] - '0');
if (cb->chargeinfo)
(*cb->chargeinfo)(plcip, charge, 0);
return 1;
}
} else if (cmsg->InfoNumber == 0x602) {
if (p[0] > 1 && p[1] == 0x01) {
int i, len = p[0]-1;
for (i=0; i < len; i++)
charge = charge * 10 + (p[1+i] - '0');
if (cb->chargeinfo)
(*cb->chargeinfo)(plcip, charge, 0);
return 1;
}
}
return 0;
}
static int handle_callednumber_info(capi_connection *plcip, _cmsg *cmsg)
{
unsigned char *p = cmsg->InfoElement;
if (cmsg->InfoNumber == 0x0070) {
extend_callednumber(plcip->ctx, &plcip->conninfo, p+2, p[0]-1);
check_incoming_complete(plcip);
return 1;
}
return 0;
}
static int handle_cause_info(capi_connection *plcip, _cmsg *cmsg)
{
capiconn_context *ctx = plcip->ctx;
capiconn_callbacks *cb = ctx->cb;
unsigned char *p = cmsg->InfoElement;
if (cmsg->InfoNumber == 0x0008) {
char buf[128];
char *s, *end;
int i;
s = buf; end = s + sizeof(buf)-1;
*end = 0;
for (i=0; i < p[0]; i++) {
snprintf(s, end-s, " %02x", p[i+1]);
s += strlen(s);
}
(*cb->debugmsg)("cause bytes for plci 0x%x:%s", cmsg->adr.adrPLCI, buf);
return 1;
}
return 0;
}
static void handle_plci(capiconn_context *ctx, _cmsg * cmsg)
{
capi_contr *card = findcontrbynumber(ctx, cmsg->adr.adrController&0x7f);
capiconn_callbacks *cb = ctx->cb;
capi_connection *plcip;
if (!card) {
(*cb->errmsg)("capiconn: %s from unknown controller 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_DISCONNECT_IND: /* plci */
if (cmsg->Reason) {
(*cb->debugmsg)("%s reason 0x%x (%s) for plci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
goto notfound;
}
plcip->disconnectreason = cmsg->Reason;
plcip->disconnecting = 1;
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
break;
case CAPI_DISCONNECT_CONF: /* plci */
if (cmsg->Info) {
(*cb->infomsg)("%s info 0x%x (%s) for plci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
plcip->disconnecting = 1;
break;
case CAPI_ALERT_CONF: /* plci */
if (cmsg->Info) {
(*cb->infomsg)("%s info 0x%x (%s) for plci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
break;
case CAPI_CONNECT_IND: /* plci */
handle_incoming_call(card, cmsg);
break;
case CAPI_CONNECT_CONF: /* plci */
if (cmsg->Info) {
(*cb->infomsg)("%s info 0x%x (%s) for plci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
goto notfound;
plcip->plci = cmsg->adr.adrPLCI;
if (cmsg->Info) {
plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR);
} else {
plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK);
}
break;
case CAPI_CONNECT_ACTIVE_IND: /* plci */
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
if (plcip->incoming) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
} else {
capi_ncci *nccip;
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);
if (!nccip) {
(*cb->errmsg)("no mem for ncci on contr %d, sorry", card->contrnr);
break; /* $$$$ */
}
capi_fill_CONNECT_B3_REQ(cmsg,
ctx->appid,
card->msgid++,
plcip->plci, /* adr */
plcip->conninfo.ncpi);
nccip->msgid = cmsg->Messagenumber;
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
}
break;
case CAPI_INFO_IND: /* Controller/plci */
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
if (handle_charge_info(plcip, cmsg)) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
} else if (handle_callednumber_info(plcip, cmsg)) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
} else if (handle_cause_info(plcip, cmsg)) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
} else {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
}
break;
case CAPI_CONNECT_ACTIVE_CONF: /* plci */
goto ignored;
case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */
goto ignored;
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
case CAPI_INFO_CONF: /* Controller/plci */
goto ignored;
default:
(*cb->errmsg)("got %s for plci 0x%x ???",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
}
return;
ignored:
(*cb->infomsg)("%s for plci 0x%x ignored",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
return;
notfound:
(*cb->debugmsg)("%s: plci 0x%x not found",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
return;
}
static void handle_ncci(capiconn_context *ctx, _cmsg * cmsg)
{
capi_contr *card = findcontrbynumber(ctx, cmsg->adr.adrController&0x7f);
capiconn_callbacks *cb = ctx->cb;
capi_connection *plcip;
capi_ncci *nccip;
unsigned char *data;
if (!card) {
(*cb->errmsg)("capidrv: %s from unknown controller 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
(*cb->debugmsg)("ncci 0x%x up", nccip->ncci);
(*cb->connected)(nccip->plcip, cmsg->NCPI);
break;
case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */
goto ignored;
case CAPI_CONNECT_B3_IND: /* ncci */
plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI);
if (plcip) {
nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI);
if (nccip) {
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND);
capi_fill_CONNECT_B3_RESP(cmsg,
ctx->appid,
card->msgid++,
nccip->ncci, /* adr */
0, /* Reject */
0 /* NCPI */
);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
break;
}
(*cb->errmsg)("capidrv-%d: no mem for ncci, sorry", card->contrnr);
} else {
(*cb->errmsg)("capidrv-%d: %s: plci for ncci 0x%x not found",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
capi_fill_CONNECT_B3_RESP(cmsg,
ctx->appid,
card->msgid++,
cmsg->adr.adrNCCI,
2, /* Reject */
plcip->conninfo.ncpi);
send_message(card, cmsg);
break;
case CAPI_CONNECT_B3_CONF: /* ncci */
if (!(nccip = find_ncci_by_msgid(card,
cmsg->adr.adrNCCI,
cmsg->Messagenumber)))
goto notfound;
nccip->ncci = cmsg->adr.adrNCCI;
nccip->plcip->ncci = cmsg->adr.adrNCCI;
if (cmsg->Info) {
(*cb->infomsg)("%s info 0x%x (%s) for ncci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
}
if (cmsg->Info)
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR);
else
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK);
break;
case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
break;
case CAPI_DATA_B3_IND: /* ncci */
/* handled in handle_data() */
goto ignored;
case CAPI_DATA_B3_CONF: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
data = capi_del_ack(nccip, cmsg->DataHandle);
if (data == 0)
break;
if (cb->datasent)
(*cb->datasent)(nccip->plcip, data);
break;
case CAPI_DISCONNECT_B3_IND: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
nccip->plcip->disconnectreason_b3 = cmsg->Reason_B3;
nccip->plcip->disconnecting = 1;
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
break;
case CAPI_DISCONNECT_B3_CONF: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
if (cmsg->Info) {
(*cb->infomsg)("%s info 0x%x (%s) for ncci 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
}
break;
case CAPI_RESET_B3_IND: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
break;
case CAPI_RESET_B3_CONF: /* ncci */
goto ignored; /* $$$$ */
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
default:
(*cb->errmsg)("%d: got %s for ncci 0x%x ???",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
return;
ignored:
(*cb->infomsg)("%s for ncci 0x%x ignored",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
return;
notfound:
(*cb->errmsg)("%s: ncci 0x%x not found",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
static void handle_data(capiconn_context *ctx, _cmsg * cmsg)
{
capi_contr *card = findcontrbynumber(ctx,cmsg->adr.adrController&0x7f);
capiconn_callbacks *cb = ctx->cb;
capi_ncci *nccip;
unsigned char *data;
if (!card) {
(*cb->errmsg)("%s from unknown controller 0x%x",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
(*cb->errmsg)("%s: ncci 0x%x not found",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
return;
}
data = (unsigned char *)cmsg->Data;
if (cb->received)
(*cb->received)(nccip->plcip, data, cmsg->DataLength);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
}
static _cmsg s_cmsg;
void capiconn_inject(unsigned applid, unsigned char *msg)
{
capiconn_context *ctx = find_context(applid);
if (!ctx)
return;
capi_message2cmsg(&s_cmsg, msg);
if (s_cmsg.Command == CAPI_DATA_B3 && s_cmsg.Subcommand == CAPI_IND) {
handle_data(ctx, &s_cmsg);
ctx->nrecvdatapkt++;
return;
}
if ((s_cmsg.adr.adrController & 0xffffff00) == 0)
handle_controller(ctx, &s_cmsg);
else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0)
handle_plci(ctx, &s_cmsg);
else
handle_ncci(ctx, &s_cmsg);
ctx->nrecvctlpkt++;
}
/* ------------------------------------------------------------------- */
capi_connection *capiconn_connect(
capiconn_context *ctx,
unsigned contr,
_cword cipvalue,
char *callednumber, /* remote number */
char *callingnumber, /* own number */
_cword b1proto,
_cword b2proto,
_cword b3proto,
_cstruct b1config,
_cstruct b2config,
_cstruct b3config,
_cstruct bchaninfo,
_cstruct ncpi)
{
capi_contr *card = findcontrbynumber(ctx, contr);
capiconn_callbacks *cb = ctx->cb;
capi_connection *plcip;
if (!card) {
(*cb->errmsg)("controller %d not found", contr);
return 0;
}
if ((plcip = new_plci(card, 0)) == 0) {
(*cb->errmsg)("no mem for plci");
return 0;
}
if (set_conninfo1a(ctx, &plcip->conninfo,
cipvalue,
callednumber,
callingnumber) < 0) {
clr_conninfo1(ctx, &plcip->conninfo);
free_plci(card, plcip);
(*cb->errmsg)("no mem for connection info (1a)");
return 0;
}
if (set_conninfo2(ctx, &plcip->conninfo,
b1proto, b2proto, b3proto,
b1config, b2config, b3config,
bchaninfo, ncpi) < 0) {
clr_conninfo1(ctx, &plcip->conninfo);
clr_conninfo2(ctx, &plcip->conninfo);
free_plci(card, plcip);
(*cb->errmsg)("no mem for connection info (2)");
return 0;
}
capi_fill_CONNECT_REQ(&cmdcmsg,
ctx->appid,
card->msgid++,
card->contrnr, /* adr */
plcip->conninfo.cipvalue,
plcip->conninfo.callednumber,
plcip->conninfo.callingnumber,
0, /* CalledPartySubaddress */
0, /* CallingPartySubaddress */
plcip->conninfo.b1proto,
plcip->conninfo.b2proto,
plcip->conninfo.b3proto,
plcip->conninfo.b1config,
plcip->conninfo.b2config,
plcip->conninfo.b3config,
0, /* Globalconfiguration */
0, /* BC */
0, /* LLC */
0, /* HLC */
plcip->conninfo.bchaninfo, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0, /* Facilitydataarray */
0 /* Sendingcomplete */
);
plcip->msgid = cmdcmsg.Messagenumber;
plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
send_message(card, &cmdcmsg);
return plcip;
}
int capiconn_accept(
capi_connection *plcip,
_cword b1proto,
_cword b2proto,
_cword b3proto,
_cstruct b1config,
_cstruct b2config,
_cstruct b3config,
_cstruct ncpi)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
if (plcip->state != ST_PLCI_INCOMING)
return CAPICONN_WRONG_STATE;
if (set_conninfo2(ctx, &plcip->conninfo,
b1proto, b2proto, b3proto,
b1config, b2config, b3config,
0, ncpi) < 0) {
clr_conninfo2(ctx, &plcip->conninfo);
(*cb->errmsg)("no mem for connection info (2)");
return CAPICONN_NO_MEMORY;
}
(*cb->debugmsg)("accept plci 0x%04x %d,%d,%d",
plcip->plci,
(int)plcip->conninfo.b1proto,
(int)plcip->conninfo.b2proto,
(int)plcip->conninfo.b3proto);
capi_fill_CONNECT_RESP(&cmdcmsg,
ctx->appid,
card->msgid++,
plcip->plci, /* adr */
0, /* Reject */
plcip->conninfo.b1proto,
plcip->conninfo.b2proto,
plcip->conninfo.b3proto,
plcip->conninfo.b1config,
plcip->conninfo.b2config,
plcip->conninfo.b3config,
0, /* Globalconfiguration */
0, /* ConnectedNumber */
0, /* ConnectedSubaddress */
0, /* LLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
plci_change_state(card, plcip, EV_PLCI_CONNECT_RESP);
send_message(card, &cmdcmsg);
return CAPICONN_OK;
}
int capiconn_ignore(capi_connection *plcip)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
if (plcip->state != ST_PLCI_INCOMING)
return CAPICONN_WRONG_STATE;
capi_fill_CONNECT_RESP(&cmdcmsg,
ctx->appid,
card->msgid++,
plcip->plci, /* adr */
1, /* ignore call */
0,
0,
0,
0,
0,
0,
0, /* Globalconfiguration */
0, /* ConnectedNumber */
0, /* ConnectedSubaddress */
0, /* LLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
plci_change_state(card, plcip, EV_PLCI_CONNECT_RESP);
send_message(card, &cmdcmsg);
return CAPICONN_OK;
}
int capiconn_reject(capi_connection *plcip)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
if (plcip->state != ST_PLCI_INCOMING)
return CAPICONN_WRONG_STATE;
capi_fill_CONNECT_RESP(&cmdcmsg,
ctx->appid,
card->msgid++,
plcip->plci, /* adr */
2, /* Reject, normal call clearing */
0,
0,
0,
0,
0,
0,
0, /* Globalconfiguration */
0, /* ConnectedNumber */
0, /* ConnectedSubaddress */
0, /* LLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
plci_change_state(card, plcip, EV_PLCI_CONNECT_RESP);
send_message(card, &cmdcmsg);
return CAPICONN_OK;
}
int capiconn_disconnect(capi_connection *plcip, _cstruct ncpi)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
if (plcip->disconnecting)
return CAPICONN_ALREADY_DISCONNECTING;
if (plcip->nccip) {
plcip->disconnecting = 1;
plcip->localdisconnect = 1;
capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
ctx->appid,
card->msgid++,
plcip->ncci,
ncpi);
ncci_change_state(card, plcip->nccip, EV_NCCI_DISCONNECT_B3_REQ);
send_message(card, &cmdcmsg);
return CAPICONN_OK;
}
if (plcip->state == ST_PLCI_INCOMING) {
plcip->disconnecting = 1;
plcip->localdisconnect = 1;
return capiconn_reject(plcip);
}
if (plcip->plci) {
plcip->disconnecting = 1;
plcip->localdisconnect = 1;
capi_fill_DISCONNECT_REQ(&cmdcmsg,
ctx->appid,
card->msgid++,
plcip->plci,
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_REQ);
send_message(card, &cmdcmsg);
return CAPICONN_OK;
}
return CAPICONN_WRONG_STATE;
}
static _cmsg sendcmsg;
int capiconn_send(capi_connection *plcip,
unsigned char *data,
unsigned len)
{
capi_contr *card = plcip->contr;
capiconn_context *ctx = card->ctx;
capiconn_callbacks *cb = ctx->cb;
capi_ncci *nccip;
_cword datahandle;
nccip = plcip->nccip;
if (!nccip || nccip->state != ST_NCCI_ACTIVE)
return CAPICONN_WRONG_STATE;
datahandle = nccip->datahandle;
capi_fill_DATA_B3_REQ(&sendcmsg, ctx->appid, card->msgid++,
nccip->ncci, /* adr */
data, /* Data */
len, /* DataLength */
datahandle, /* DataHandle */
0 /* Flags */
);
if (capi_add_ack(nccip, datahandle, data) < 0)
return CAPICONN_NOT_SENT;
capi_cmsg2message(&sendcmsg, sendcmsg.buf);
(*cb->capi_put_message) (ctx->appid, sendcmsg.buf);
nccip->datahandle++;
ctx->nsentdatapkt++;
return CAPICONN_OK;
}
/* -------- listen handling ------------------------------------------ */
static void send_listen(capi_contr *card)
{
capiconn_context *ctx = card->ctx;
card->infomask = 0;
card->infomask |= (1<<0); /* cause information */
card->infomask |= (1<<2); /* Display */
card->infomask |= (1<<6); /* Charge Info */
if (card->ddilen) card->infomask |= (1<<7); /* Called Party Number */
card->infomask |= (1<<8); /* Channel Info */
capi_fill_LISTEN_REQ(&cmdcmsg, ctx->appid,
card->msgid++,
card->contrnr,
card->infomask,
card->cipmask,
card->cipmask2,
0, 0);
send_message(card, &cmdcmsg);
listen_change_state(card, EV_LISTEN_REQ);
}
int
capiconn_listen(capiconn_context *ctx,
unsigned contr, unsigned cipmask, unsigned cipmask2)
{
capi_contr *card = findcontrbynumber(ctx, contr & 0x7f);
if (card == 0)
return CAPICONN_NO_CONTROLLER;
card->cipmask = cipmask; /* 0x1FFF03FF */
card->cipmask2 = cipmask2; /* 0 */
send_listen(card);
return CAPICONN_OK;
}
int
capiconn_listenstate(capiconn_context *ctx, unsigned contr)
{
capi_contr *card = findcontrbynumber(ctx, contr & 0x7f);
if (card == 0)
return CAPICONN_NO_CONTROLLER;
if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE)
return CAPICONN_WRONG_STATE;
return CAPICONN_OK;
}
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