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Added more CCBS message handling (not working yet).

V1_1
MelwareDE 2007-04-20 16:42:20 +00:00
parent e4e1beff0b
commit 131740cb89
3 changed files with 267 additions and 32 deletions
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20
chan_capi.c
View File

@ -3553,11 +3553,16 @@ static void capidev_handle_facility_confirmation(_cmsg *CMSG, unsigned int PLCI,
{
int selector;
selector = FACILITY_CONF_FACILITYSELECTOR(CMSG);
if (selector == FACILITYSELECTOR_SUPPLEMENTARY) {
handle_facility_confirmation_supplementary(CMSG, PLCI, NCCI, i);
return;
}
if (i == NULL)
return;
selector = FACILITY_CONF_FACILITYSELECTOR(CMSG);
if (selector == FACILITYSELECTOR_DTMF) {
cc_verbose(2, 1, VERBOSE_PREFIX_4 "%s: DTMF conf(PLCI=%#x)\n",
i->vname, PLCI);
@ -3578,17 +3583,6 @@ static void capidev_handle_facility_confirmation(_cmsg *CMSG, unsigned int PLCI,
}
return;
}
if (selector == FACILITYSELECTOR_SUPPLEMENTARY) {
/* HOLD */
if ((FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[1] == 0x2) &&
(FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[2] == 0x0) &&
((FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[4] != 0x0) ||
(FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[5] != 0x0))) {
cc_verbose(2, 0, VERBOSE_PREFIX_3 "%s: Call on hold (PLCI=%#x)\n",
i->vname, PLCI);
}
return;
}
if (selector == FACILITYSELECTOR_LINE_INTERCONNECT) {
if ((FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[1] == 0x1) &&
(FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[2] == 0x0)) {

269
chan_capi_supplementary.c
View File

@ -22,6 +22,7 @@
#define CCBSNR_MAX_LIST_ENTRIES 32
static struct ccbsnr_s ccbsnr_list[CCBSNR_MAX_LIST_ENTRIES];
AST_MUTEX_DEFINE_STATIC(ccbsnr_lock);
/*
* a new CCBS/CCNR id was received
@ -32,23 +33,122 @@ static void new_ccbsnr_id(ccbsnrtype_t type, unsigned int plci,
int a;
char buffer[CAPI_MAX_STRING];
cc_mutex_lock(&ccbsnr_lock);
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (ccbsnr_list[a].type == CCBSNR_TYPE_NULL) {
ccbsnr_list[a].type = type;
ccbsnr_list[a].id = id;
ccbsnr_list[a].plci = plci;
ccbsnr_list[a].state = CCBSNR_AVAILABLE;
ccbsnr_list[a].handle = (id | ((plci & 0xff) << 16));
if (i->peer) {
snprintf(buffer, CAPI_MAX_STRING-1, "%d", (id | ((plci & 0xff) << 16)));
snprintf(buffer, CAPI_MAX_STRING-1, "%u", ccbsnr_list[a].handle);
pbx_builtin_setvar_helper(i->peer, "CCLINKAGEID", buffer);
}
cc_verbose(1, 1, VERBOSE_PREFIX_3 "%s: PLCI=%#x CCBS/CCNR new id=0x%04x handle=%d\n",
i->vname, plci, id, ccbsnr_list[a].handle);
break;
}
}
cc_mutex_unlock(&ccbsnr_lock);
if (a == CCBSNR_MAX_LIST_ENTRIES) {
cc_log(LOG_ERROR, "No free entry for new CCBS/CCNR ID\n");
}
}
/*
* function to tell if CCBSNR is activated
*/
static int ccbsnr_tell_activated(void *data)
{
unsigned int handle = (unsigned int)data;
int a;
int ret = 0;
cc_mutex_lock(&ccbsnr_lock);
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (ccbsnr_list[a].handle == handle) {
if (ccbsnr_list[a].state == CCBSNR_REQUESTED) {
ret = 1;
}
break;
}
}
if (a == CCBSNR_MAX_LIST_ENTRIES) {
cc_log(LOG_ERROR, "No free entry for new CCBS/CCNR ID\n");
cc_mutex_unlock(&ccbsnr_lock);
return ret;
}
/*
* return the pointer to ccbsnr structure
*/
static struct ccbsnr_s *get_ccbsnr_link(unsigned int handle)
{
struct ccbsnr_s *ret = NULL;
int a;
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (ccbsnr_list[a].handle == handle) {
ret = &ccbsnr_list[a];
break;
}
}
return ret;
}
/*
* select CCBS/CCNR id
*/
static int select_ccbsnr_id(unsigned int id, ccbsnrtype_t type,
char *context, char *exten, int priority)
{
int ret = 0;
int a;
cc_mutex_lock(&ccbsnr_lock);
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (((ccbsnr_list[a].plci & 0xff) == ((id >> 16) & 0xff)) &&
(ccbsnr_list[a].id == (id & 0xffff)) &&
(ccbsnr_list[a].type == type) &&
(ccbsnr_list[a].state == CCBSNR_AVAILABLE)) {
strncpy(ccbsnr_list[a].context, context, sizeof(ccbsnr_list[a].context) - 1);
strncpy(ccbsnr_list[a].exten, exten, sizeof(ccbsnr_list[a].exten) - 1);
ccbsnr_list[a].priority = priority;
ccbsnr_list[a].state = CCBSNR_REQUESTED;
ret = ccbsnr_list[a].handle;
cc_verbose(1, 1, VERBOSE_PREFIX_3 "CAPI: request CCBS/NR id=0x%x handle=%d (%s,%s,%d)\n",
id, ret, context, exten, priority);
break;
}
}
cc_mutex_unlock(&ccbsnr_lock);
return ret;
}
/*
* a CCBS/CCNR ref was removed
*/
static void del_ccbsnr_ref(unsigned int plci, _cword ref)
{
int a;
cc_mutex_lock(&ccbsnr_lock);
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (((ccbsnr_list[a].plci & 0xff) == (plci & 0xff)) &&
(ccbsnr_list[a].rbref == ref)) {
ccbsnr_list[a].id = 0;
ccbsnr_list[a].state = 0;
ccbsnr_list[a].handle = 0;
ccbsnr_list[a].type = CCBSNR_TYPE_NULL;
cc_verbose(1, 1, VERBOSE_PREFIX_3 "CAPI: PLCI=%#x CCBS/CCNR deactivated "
"ref=0x%04x\n", plci, ref);
break;
}
}
cc_mutex_unlock(&ccbsnr_lock);
}
/*
@ -58,14 +158,24 @@ static void del_ccbsnr_id(unsigned int plci, _cword id)
{
int a;
cc_mutex_lock(&ccbsnr_lock);
for (a = 0; a < CCBSNR_MAX_LIST_ENTRIES; a++) {
if (((ccbsnr_list[a].plci & 0xff) == (plci & 0xff)) &&
(ccbsnr_list[a].id == id)) {
ccbsnr_list[a].type = CCBSNR_TYPE_NULL;
ccbsnr_list[a].state = 0;
ccbsnr_list[a].id = 0;
if ((ccbsnr_list[a].state == CCBSNR_AVAILABLE) ||
(ccbsnr_list[a].rbref == 0)) {
ccbsnr_list[a].state = 0;
ccbsnr_list[a].handle = 0;
ccbsnr_list[a].type = CCBSNR_TYPE_NULL;
}
cc_verbose(1, 1, VERBOSE_PREFIX_3 "CAPI: PLCI=%#x CCBS/CCNR deleted id=0x%04x "
"handle=%d status=%d\n", plci, id,
ccbsnr_list[a].handle, ccbsnr_list[a].state);
break;
}
}
cc_mutex_unlock(&ccbsnr_lock);
}
/*
@ -74,22 +184,15 @@ static void del_ccbsnr_id(unsigned int plci, _cword id)
void ListenOnSupplementary(unsigned controller)
{
_cmsg CMSG;
char fac[8];
MESSAGE_EXCHANGE_ERROR error;
int waitcount = 50;
fac[0] = 7; /* len */
fac[1] = 0x01; /* listen */
fac[2] = 0x00;
fac[3] = 4; /* len / sservice specific parameter , cstruct */
write_capi_dword(&(fac[4]), 0x0000079f);
FACILITY_REQ_HEADER(&CMSG, capi_ApplID, get_capi_MessageNumber(), 0);
FACILITY_REQ_CONTROLLER(&CMSG) = controller;
FACILITY_REQ_FACILITYSELECTOR(&CMSG) = FACILITYSELECTOR_SUPPLEMENTARY;
FACILITY_REQ_FACILITYREQUESTPARAMETER(&CMSG) = (_cstruct)&fac;
error = _capi_put_cmsg(&CMSG);
error = capi_sendf(NULL, 0, CAPI_FACILITY_REQ, controller, get_capi_MessageNumber(),
"w(w(d))",
FACILITYSELECTOR_SUPPLEMENTARY,
0x0001, /* LISTEN */
0x0000079f
);
while (waitcount) {
error = capidev_check_wait_get_cmsg(&CMSG);
@ -115,6 +218,10 @@ void handle_facility_indication_supplementary(
_cword function;
_cword infoword = 0xffff;
unsigned char length;
_cdword handle;
_cword mode;
_cword rbref;
struct ccbsnr_s *ccbsnrlink;
function = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[1]);
length = FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[3];
@ -125,11 +232,60 @@ void handle_facility_indication_supplementary(
/* first check functions without interface needed */
switch (function) {
case 0x000f: /* CCBS request */
handle = read_capi_dword(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[6]);
mode = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[10]);
rbref = read_capi_dword(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[12]);
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS request reason=0x%04x "
"handle=%d mode=0x%x rbref=0x%x\n",
PLCI & 0xff, PLCI, infoword, handle, mode, rbref);
if ((ccbsnrlink = get_ccbsnr_link(handle)) == NULL) {
cc_log(LOG_WARNING, "capi ccbs request indication without request!\n");
break;
}
if (infoword == 0) {
/* success */
ccbsnrlink->state = CCBSNR_ACTIVATED;
ccbsnrlink->rbref = rbref;
ccbsnrlink->mode = mode;
} else {
/* error */
ccbsnrlink->state = CCBSNR_AVAILABLE;
}
show_capi_info(NULL, infoword);
break;
case 0x800e: /* CCBS status */
rbref = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[6]);
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS status ref=0x%04x mode=0x%x\n",
PLCI & 0xff, PLCI, rbref, infoword);
/* XXX report we are free */
break;
case 0x800d: /* CCBS erase call linkage ID */
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS/CCNR erase id=0x%04x\n",
PLCI & 0xff, PLCI, infoword);
del_ccbsnr_id(PLCI, infoword);
break;
case 0x800f: /* CCBS remote user free */
rbref = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[6]);
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS status ref=0x%04x mode=0x%x\n",
PLCI & 0xff, PLCI, rbref, infoword);
/* XXX start alerting */
break;
case 0x8010: /* CCBS B-free */
rbref = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[6]);
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS B-free ref=0x%04x mode=0x%x\n",
PLCI & 0xff, PLCI, rbref, infoword);
break;
case 0x8011: /* CCBS erase (ref), deactivated by network */
rbref = read_capi_word(&FACILITY_IND_FACILITYINDICATIONPARAMETER(CMSG)[6]);
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS deactivate ref=0x%04x mode=0x%x\n",
PLCI & 0xff, PLCI, rbref, infoword);
del_ccbsnr_ref(PLCI, rbref);
break;
case 0x8012: /* CCBS stop alerting */
cc_verbose(1, 1, VERBOSE_PREFIX_3 "contr%d: PLCI=%#x CCBS B-free ref=0x%04x\n",
PLCI & 0xff, PLCI, infoword);
break;
}
return_on_no_interface("FACILITY_IND SUPPLEMENTARY");
@ -189,7 +345,13 @@ void handle_facility_indication_supplementary(
i->vname, PLCI, infoword);
new_ccbsnr_id(CCBSNR_TYPE_CCNR, PLCI, infoword, i);
break;
case 0x000e: /* CCBS status */
case 0x000f: /* CCBS request */
case 0x800f: /* CCBS remote user free */
case 0x800d: /* CCBS erase call linkage ID */
case 0x8010: /* CCBS B-free */
case 0x8011: /* CCBS erase (ref), deactivated by network */
case 0x8012: /* CCBS stop alerting */
/* handled above */
break;
default:
@ -198,6 +360,43 @@ void handle_facility_indication_supplementary(
}
}
/*
* CAPI FACILITY_CONF supplementary
*/
void handle_facility_confirmation_supplementary(
_cmsg *CMSG, unsigned int PLCI, unsigned int NCCI, struct capi_pvt *i)
{
_cword function;
_cword serviceinfo;
char name[64];
if (i) {
strncpy(name, i->vname, sizeof(name) - 1);
} else {
snprintf(name, sizeof(name) - 1, "contr%d", PLCI & 0xff);
}
function = read_capi_word(&FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[1]);
serviceinfo = read_capi_word(&FACILITY_CONF_FACILITYCONFIRMATIONPARAMETER(CMSG)[4]);
switch(function) {
case 0x0002: /* HOLD */
if (serviceinfo == 0) {
cc_verbose(2, 0, VERBOSE_PREFIX_3 "%s: Call on hold (PLCI=%#x)\n",
name, PLCI);
}
break;
case 0x000f: /* CCBS request */
cc_verbose(2, 0, VERBOSE_PREFIX_3 "%s: CCBS request info=0x%04x (PLCI=%#x)\n",
name, serviceinfo, PLCI);
break;
default:
cc_verbose(3, 1, VERBOSE_PREFIX_3 "%s: unhandled FACILITY_CONF supplementary function %04x\n",
name, function);
}
}
/*
* capicommand 'ccbs'
*/
@ -205,7 +404,11 @@ int pbx_capi_ccbs(struct ast_channel *c, char *data)
{
char *slinkageid, *context, *exten, *priority;
unsigned int linkid = 0;
int handle, a;
char *result = "ERROR";
char *goodresult = "ACTIVATED";
MESSAGE_EXCHANGE_ERROR error;
struct ccbsnr_s *ccbsnrlink;
slinkageid = strsep(&data, "|");
context = strsep(&data, "|");
@ -224,6 +427,36 @@ int pbx_capi_ccbs(struct ast_channel *c, char *data)
cc_verbose(3, 1, VERBOSE_PREFIX_3 "capi ccbs: '%d' '%s' '%s' '%s'\n",
linkid, context, exten, priority);
handle = select_ccbsnr_id(linkid, CCBSNR_TYPE_CCBS,
context, exten, (int)strtol(priority, NULL, 0));
if (handle > 0) {
error = capi_sendf(NULL, 0, CAPI_FACILITY_REQ, (linkid >> 16) & 0xff,
get_capi_MessageNumber(),
"w(w(dw))",
FACILITYSELECTOR_SUPPLEMENTARY,
0x000f, /* CCBS request */
handle, /* handle */
(linkid & 0xffff) /* CCBS linkage ID */
);
for (a = 0; a < 5; a++) {
/* Wait for CCBS request indication */
if (ast_safe_sleep_conditional(c, 500, ccbsnr_tell_activated,
(void *)handle) != 0) {
/* we got a hangup */
cc_verbose(3, 1,
VERBOSE_PREFIX_3 "capi ccbs: hangup.\n");
break;
}
}
if ((ccbsnrlink = get_ccbsnr_link(handle)) != NULL) {
if (ccbsnrlink->state == CCBSNR_ACTIVATED) {
result = goodresult;
}
}
}
pbx_builtin_setvar_helper(c, "CCBSSTATUS", result);
return 0;

10
chan_capi_supplementary.h
View File

@ -21,12 +21,17 @@ typedef enum {
} ccbsnrtype_t;
#define CCBSNR_AVAILABLE 1
#define CCBSNR_REQUESTED 2
#define CCBSNR_ACTIVATED 3
struct ccbsnr_s {
ccbsnrtype_t type;
_cword id;
unsigned int plci;
unsigned int state;
unsigned int handle;
_cword mode;
_cword rbref;
char context[AST_MAX_CONTEXT];
char exten[AST_MAX_EXTENSION];
int priority;
@ -36,7 +41,10 @@ struct ccbsnr_s {
* prototypes
*/
extern void ListenOnSupplementary(unsigned controller);
extern void handle_facility_indication_supplementary(_cmsg *CMSG, unsigned int PLCI, unsigned int NCCI, struct capi_pvt *i);
extern void handle_facility_indication_supplementary(
_cmsg *CMSG, unsigned int PLCI, unsigned int NCCI, struct capi_pvt *i);
extern void handle_facility_confirmation_supplementary(
_cmsg *CMSG, unsigned int PLCI, unsigned int NCCI, struct capi_pvt *i);
extern int pbx_capi_ccbs(struct ast_channel *c, char *data);
#endif