[svn-commits] rmudgett: branch rmudgett/sig_ss7 r261963 - /team/rmudgett/sig_ss7/channels/
SVN commits to the Digium repositories
svn-commits at lists.digium.com
Fri May 7 16:44:22 CDT 2010
Author: rmudgett
Date: Fri May 7 16:44:18 2010
New Revision: 261963
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=261963
Log:
Move all sig_ss7 specific code into sig_ss7.c.
It still compiles! Does it still work? Don't know. Testing next.
Modified:
team/rmudgett/sig_ss7/channels/chan_dahdi.c
team/rmudgett/sig_ss7/channels/sig_ss7.c
team/rmudgett/sig_ss7/channels/sig_ss7.h
Modified: team/rmudgett/sig_ss7/channels/chan_dahdi.c
URL: http://svnview.digium.com/svn/asterisk/team/rmudgett/sig_ss7/channels/chan_dahdi.c?view=diff&rev=261963&r1=261962&r2=261963
==============================================================================
--- team/rmudgett/sig_ss7/channels/chan_dahdi.c (original)
+++ team/rmudgett/sig_ss7/channels/chan_dahdi.c Fri May 7 16:44:18 2010
@@ -514,183 +514,6 @@
static int ringt_base = DEFAULT_RINGT;
#ifdef HAVE_SS7
-/* BUGBUG sig_ss7 callback functions ----v*/
-#define SIG_SS7_DEADLOCK_AVOIDANCE(p) \
- do { \
- sig_ss7_unlock_private(p); \
- usleep(1); \
- sig_ss7_lock_private(p); \
- } while (0)
-
-static void sig_ss7_unlock_private(struct sig_ss7_chan *p)
-{
- if (p->calls->unlock_private) {
- p->calls->unlock_private(p->chan_pvt);
- }
-}
-
-static void sig_ss7_lock_private(struct sig_ss7_chan *p)
-{
- if (p->calls->lock_private) {
- p->calls->lock_private(p->chan_pvt);
- }
-}
-
-void sig_ss7_set_alarm(struct sig_ss7_chan *p, int in_alarm)
-{
- p->inalarm = in_alarm;
- if (p->calls->set_alarm) {
- p->calls->set_alarm(p->chan_pvt, in_alarm);
- }
-}
-
-static void sig_ss7_set_dialing(struct sig_ss7_chan *p, int is_dialing)
-{
- if (p->calls->set_dialing) {
- p->calls->set_dialing(p->chan_pvt, is_dialing);
- }
-}
-
-static void sig_ss7_set_digital(struct sig_ss7_chan *p, int is_digital)
-{
- if (p->calls->set_digital) {
- p->calls->set_digital(p->chan_pvt, is_digital);
- }
-}
-
-static void sig_ss7_set_inservice(struct sig_ss7_chan *p, int is_inservice)
-{
- if (p->calls->set_inservice) {
- p->calls->set_inservice(p->chan_pvt, is_inservice);
- }
-}
-
-static void sig_ss7_set_locallyblocked(struct sig_ss7_chan *p, int is_blocked)
-{
- p->locallyblocked = is_blocked;
- if (p->calls->set_locallyblocked) {
- p->calls->set_locallyblocked(p->chan_pvt, is_blocked);
- }
-}
-
-static void sig_ss7_set_remotelyblocked(struct sig_ss7_chan *p, int is_blocked)
-{
- p->remotelyblocked = is_blocked;
- if (p->calls->set_remotelyblocked) {
- p->calls->set_remotelyblocked(p->chan_pvt, is_blocked);
- }
-}
-
-/*!
- * \internal
- * \brief Set the caller id information in the parent module.
- * \since 1.8
- *
- * \param p sig_ss7 channel structure.
- *
- * \return Nothing
- */
-static void sig_ss7_set_caller_id(struct sig_ss7_chan *p)
-{
- struct ast_party_caller caller;
-
- if (p->calls->set_callerid) {
- ast_party_caller_init(&caller);
- caller.id.number = p->cid_num;
- caller.id.name = p->cid_name;
- if (!ast_strlen_zero(p->cid_subaddr)) {
- caller.id.subaddress.valid = 1;
- //caller.id.subaddress.type = 0;/* nsap */
- //caller.id.subaddress.odd_even_indicator = 0;
- caller.id.subaddress.str = p->cid_subaddr;
- }
- caller.id.number_type = p->cid_ton;
- caller.id.number_presentation = p->callingpres;
- caller.ani = p->cid_ani;
- caller.ani2 = p->cid_ani2;
- p->calls->set_callerid(p->chan_pvt, &caller);
- }
-}
-
-/*!
- * \internal
- * \brief Set the Dialed Number Identifier.
- * \since 1.8
- *
- * \param p sig_ss7 channel structure.
- * \param dnid Dialed Number Identifier string.
- *
- * \return Nothing
- */
-static void sig_ss7_set_dnid(struct sig_ss7_chan *p, const char *dnid)
-{
- if (p->calls->set_dnid) {
- p->calls->set_dnid(p->chan_pvt, dnid);
- }
-}
-
-static int sig_ss7_play_tone(struct sig_ss7_chan *p, enum sig_ss7_tone tone)
-{
- int res;
-
- if (p->calls->play_tone) {
- res = p->calls->play_tone(p->chan_pvt, tone);
- } else {
- res = -1;
- }
- return res;
-}
-
-static int sig_ss7_set_echocanceller(struct sig_ss7_chan *p, int enable)
-{
- if (p->calls->set_echocanceller) {
- return p->calls->set_echocanceller(p->chan_pvt, enable);
- }
- return -1;
-}
-
-static void sig_ss7_loopback(struct sig_ss7_chan *p, int enable)
-{
- if (p->loopedback != enable) {
- p->loopedback = enable;
- if (p->calls->set_loopback) {
- p->calls->set_loopback(p->chan_pvt, enable);
- }
- }
-}
-
-static struct ast_channel *sig_ss7_new_ast_channel(struct sig_ss7_chan *p, int state, int ulaw, int transfercapability, char *exten, const struct ast_channel *requestor)
-{
- struct ast_channel *ast;
-
- if (p->calls->new_ast_channel) {
- ast = p->calls->new_ast_channel(p->chan_pvt, state, ulaw, exten, requestor);
- } else {
- return NULL;
- }
-
- if (!p->owner) {
- p->owner = ast;
- }
- p->alreadyhungup = 0;
- ast->transfercapability = transfercapability;
- pbx_builtin_setvar_helper(ast, "TRANSFERCAPABILITY",
- ast_transfercapability2str(transfercapability));
- if (transfercapability & AST_TRANS_CAP_DIGITAL) {
- sig_ss7_set_digital(p, 1);
- }
-
- return ast;
-}
-
-static void sig_ss7_handle_link_exception(struct sig_ss7_linkset *linkset, int which)
-{
- if (linkset->calls->handle_link_exception) {
- linkset->calls->handle_link_exception(linkset, which);
- }
-}
-
-/* BUGBUG sig_ss7 callback functions ----^*/
struct dahdi_ss7 {
struct sig_ss7_linkset ss7;
@@ -3467,31 +3290,6 @@
static struct dahdi_pvt *round_robin[32];
-#if defined(HAVE_SS7)
-static inline void ss7_rel(struct sig_ss7_linkset *ss7)
-{
- ast_mutex_unlock(&ss7->lock);
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static inline int ss7_grab(struct sig_ss7_chan *pvt, struct sig_ss7_linkset *ss7)
-{
- int res;
- /* Grab the lock first */
- do {
- res = ast_mutex_trylock(&ss7->lock);
- if (res) {
- SIG_SS7_DEADLOCK_AVOIDANCE(pvt);
- }
- } while (res);
- /* Then break the poll */
- if (ss7->master != AST_PTHREADT_NULL)
- pthread_kill(ss7->master, SIGURG);
- return 0;
-}
-#endif /* defined(HAVE_SS7) */
-
static int dahdi_get_index(struct ast_channel *ast, struct dahdi_pvt *p, int nullok)
{
int res;
@@ -3524,89 +3322,6 @@
break;
}
}
-
-/* BUGBUG move to sig_ss7.c ----v */
-/*!
- * \internal
- * \brief Obtain the sig_ss7 owner channel lock if the owner exists.
- * \since 1.8
- *
- * \param ss7 sig_ss7 SS7 control structure.
- * \param chanpos Channel position in the span.
- *
- * \note Assumes the ss7->lock is already obtained.
- * \note Assumes the sig_ss7_lock_private(ss7->pvts[chanpos]) is already obtained.
- *
- * \return Nothing
- */
-static void sig_ss7_lock_owner(struct sig_ss7_linkset *ss7, int chanpos)
-{
- for (;;) {
- if (!ss7->pvts[chanpos]->owner) {
- /* There is no owner lock to get. */
- break;
- }
- if (!ast_channel_trylock(ss7->pvts[chanpos]->owner)) {
- /* We got the lock */
- break;
- }
- /* We must unlock the SS7 to avoid the possibility of a deadlock */
- ast_mutex_unlock(&ss7->lock);
- SIG_SS7_DEADLOCK_AVOIDANCE(ss7->pvts[chanpos]);
- ast_mutex_lock(&ss7->lock);
- }
-}
-
-/*!
- * \internal
- * \brief Queue the given frame onto the owner channel.
- * \since 1.8
- *
- * \param ss7 sig_ss7 SS7 control structure.
- * \param chanpos Channel position in the span.
- * \param frame Frame to queue onto the owner channel.
- *
- * \note Assumes the ss7->lock is already obtained.
- * \note Assumes the sig_ss7_lock_private(ss7->pvts[chanpos]) is already obtained.
- *
- * \return Nothing
- */
-static void sig_ss7_queue_frame(struct sig_ss7_linkset *ss7, int chanpos, struct ast_frame *frame)
-{
- sig_ss7_lock_owner(ss7, chanpos);
- if (ss7->pvts[chanpos]->owner) {
- ast_queue_frame(ss7->pvts[chanpos]->owner, frame);
- ast_channel_unlock(ss7->pvts[chanpos]->owner);
- }
-}
-
-/*!
- * \internal
- * \brief Queue a control frame of the specified subclass onto the owner channel.
- * \since 1.8
- *
- * \param ss7 sig_ss7 SS7 control structure.
- * \param chanpos Channel position in the span.
- * \param subclass Control frame subclass to queue onto the owner channel.
- *
- * \note Assumes the ss7->lock is already obtained.
- * \note Assumes the sig_ss7_lock_private(ss7->pvts[chanpos]) is already obtained.
- *
- * \return Nothing
- */
-static void sig_ss7_queue_control(struct sig_ss7_linkset *ss7, int chanpos, int subclass)
-{
- struct ast_frame f = {AST_FRAME_CONTROL, };
- struct sig_ss7_chan *p = ss7->pvts[chanpos];
-
- if (p->calls->queue_control) {
- p->calls->queue_control(p->chan_pvt, subclass);
- }
-
- f.subclass.integer = subclass;
- sig_ss7_queue_frame(ss7, chanpos, &f);
-}
-/* BUGBUG move to sig_ss7.c ----^ */
static void dahdi_queue_frame(struct dahdi_pvt *p, struct ast_frame *f)
{
@@ -5160,20 +4875,6 @@
return 0;
}
-
-#if defined(HAVE_SS7)
-static unsigned char cid_pres2ss7pres(int cid_pres)
-{
- return (cid_pres >> 5) & 0x03;
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static unsigned char cid_pres2ss7screen(int cid_pres)
-{
- return cid_pres & 0x03;
-}
-#endif /* defined(HAVE_SS7) */
static int dahdi_call(struct ast_channel *ast, char *rdest, int timeout)
{
@@ -13192,808 +12893,6 @@
ast_mutex_unlock(&iflock);
return 0;
}
-
-#if defined(HAVE_SS7)
-static int ss7_find_cic(struct sig_ss7_linkset *linkset, int cic, unsigned int dpc)
-{
- int i;
- int winner = -1;
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i] && (linkset->pvts[i]->dpc == dpc && linkset->pvts[i]->cic == cic)) {
- winner = i;
- break;
- }
- }
- return winner;
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static void ss7_handle_cqm(struct sig_ss7_linkset *linkset, int startcic, int endcic, unsigned int dpc)
-{
- unsigned char status[32];
- struct sig_ss7_chan *p = NULL;
- int i, offset;
-
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i] && (linkset->pvts[i]->dpc == dpc && ((linkset->pvts[i]->cic >= startcic) && (linkset->pvts[i]->cic <= endcic)))) {
- p = linkset->pvts[i];
- offset = p->cic - startcic;
- status[offset] = 0;
- if (p->locallyblocked)
- status[offset] |= (1 << 0) | (1 << 4);
- if (p->remotelyblocked)
- status[offset] |= (1 << 1) | (1 << 5);
- if (p->ss7call) {
- if (p->outgoing)
- status[offset] |= (1 << 3);
- else
- status[offset] |= (1 << 2);
- } else
- status[offset] |= 0x3 << 2;
- }
- }
-
- if (p)
- isup_cqr(linkset->ss7, startcic, endcic, dpc, status);
- else
- ast_log(LOG_WARNING, "Could not find any equipped circuits within CQM CICs\n");
-
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static inline void ss7_hangup_cics(struct sig_ss7_linkset *linkset, int startcic, int endcic, unsigned int dpc)
-{
- int i;
-
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i] && (linkset->pvts[i]->dpc == dpc && ((linkset->pvts[i]->cic >= startcic) && (linkset->pvts[i]->cic <= endcic)))) {
- sig_ss7_lock_private(linkset->pvts[i]);
- if (linkset->pvts[i]->owner)
- linkset->pvts[i]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
- sig_ss7_unlock_private(linkset->pvts[i]);
- }
- }
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static inline void ss7_block_cics(struct sig_ss7_linkset *linkset, int startcic, int endcic, unsigned int dpc, unsigned char state[], int block)
-{
- int i;
-
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i] && (linkset->pvts[i]->dpc == dpc && ((linkset->pvts[i]->cic >= startcic) && (linkset->pvts[i]->cic <= endcic)))) {
- if (state) {
- if (state[i])
- sig_ss7_set_remotelyblocked(linkset->pvts[i], block);
- } else
- sig_ss7_set_remotelyblocked(linkset->pvts[i], block);
- }
- }
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static void ss7_inservice(struct sig_ss7_linkset *linkset, int startcic, int endcic, unsigned int dpc)
-{
- int i;
-
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i] && (linkset->pvts[i]->dpc == dpc && ((linkset->pvts[i]->cic >= startcic) && (linkset->pvts[i]->cic <= endcic))))
- sig_ss7_set_inservice(linkset->pvts[i], 1);
- }
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static void ss7_reset_linkset(struct sig_ss7_linkset *linkset)
-{
- int i, startcic = -1, endcic, dpc;
-
- if (linkset->numchans <= 0)
- return;
-
- startcic = linkset->pvts[0]->cic;
- /* DB: CIC's DPC fix */
- dpc = linkset->pvts[0]->dpc;
-
- for (i = 0; i < linkset->numchans; i++) {
- if (linkset->pvts[i+1] && linkset->pvts[i+1]->dpc == dpc && ((linkset->pvts[i+1]->cic - linkset->pvts[i]->cic) == 1) && (linkset->pvts[i]->cic - startcic < 31)) {
- continue;
- } else {
- endcic = linkset->pvts[i]->cic;
- ast_verbose("Resetting CICs %d to %d\n", startcic, endcic);
- isup_grs(linkset->ss7, startcic, endcic, dpc);
-
- /* DB: CIC's DPC fix */
- if (linkset->pvts[i+1]) {
- startcic = linkset->pvts[i+1]->cic;
- dpc = linkset->pvts[i+1]->dpc;
- }
- }
- }
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-/* XXX: This function is assumed to be called with the private channel lock and linkset lock held */
-static void ss7_start_call(struct sig_ss7_chan *p, struct sig_ss7_linkset *linkset)
-{
- struct ss7 *ss7 = linkset->ss7;
- int law;
- struct ast_channel *c;
- char tmp[256];
-
- if (!(linkset->flags & LINKSET_FLAG_EXPLICITACM)) {
- p->proceeding = 1;
- isup_acm(ss7, p->ss7call);
- }
-
- sig_ss7_set_caller_id(p);
-
- if (linkset->type == SS7_ITU) {
- law = SIG_SS7_ALAW;
- } else {
- law = SIG_SS7_ULAW;
- }
-
- /*
- * Release the SS7 lock while we create the channel
- * so other threads can send messages.
- */
- ast_mutex_unlock(&linkset->lock);
- c = sig_ss7_new_ast_channel(p, AST_STATE_RING, law, 0, p->exten, NULL);
- if (!c) {
- ast_log(LOG_WARNING, "Unable to start PBX on CIC %d\n", p->cic);
- ast_mutex_lock(&linkset->lock);
- isup_rel(linkset->ss7, p->ss7call, -1);
- p->proceeding = 0;
- p->alreadyhungup = 1;
- return;
- }
-
- sig_ss7_set_echocanceller(p, 1);
-
- /*
- * It is reasonably safe to set the following
- * channel variables while the channel private
- * structure is locked. The PBX has not been
- * started yet and it is unlikely that any other task
- * will do anything with the channel we have just
- * created.
- *
- * We only reference these variables in the context of the ss7_linkset function
- * when receiving either and IAM or a COT message.
- */
- if (!ast_strlen_zero(p->charge_number)) {
- pbx_builtin_setvar_helper(c, "SS7_CHARGE_NUMBER", p->charge_number);
- /* Clear this after we set it */
- p->charge_number[0] = 0;
- }
- if (!ast_strlen_zero(p->gen_add_number)) {
- pbx_builtin_setvar_helper(c, "SS7_GENERIC_ADDRESS", p->gen_add_number);
- /* Clear this after we set it */
- p->gen_add_number[0] = 0;
- }
- if (!ast_strlen_zero(p->jip_number)) {
- pbx_builtin_setvar_helper(c, "SS7_JIP", p->jip_number);
- /* Clear this after we set it */
- p->jip_number[0] = 0;
- }
- if (!ast_strlen_zero(p->gen_dig_number)) {
- pbx_builtin_setvar_helper(c, "SS7_GENERIC_DIGITS", p->gen_dig_number);
- /* Clear this after we set it */
- p->gen_dig_number[0] = 0;
- }
- if (!ast_strlen_zero(p->orig_called_num)) {
- pbx_builtin_setvar_helper(c, "SS7_ORIG_CALLED_NUM", p->orig_called_num);
- /* Clear this after we set it */
- p->orig_called_num[0] = 0;
- }
-
- snprintf(tmp, sizeof(tmp), "%d", p->gen_dig_type);
- pbx_builtin_setvar_helper(c, "SS7_GENERIC_DIGTYPE", tmp);
- /* Clear this after we set it */
- p->gen_dig_type = 0;
-
- snprintf(tmp, sizeof(tmp), "%d", p->gen_dig_scheme);
- pbx_builtin_setvar_helper(c, "SS7_GENERIC_DIGSCHEME", tmp);
- /* Clear this after we set it */
- p->gen_dig_scheme = 0;
-
- if (!ast_strlen_zero(p->lspi_ident)) {
- pbx_builtin_setvar_helper(c, "SS7_LSPI_IDENT", p->lspi_ident);
- /* Clear this after we set it */
- p->lspi_ident[0] = 0;
- }
-
- snprintf(tmp, sizeof(tmp), "%d", p->call_ref_ident);
- pbx_builtin_setvar_helper(c, "SS7_CALLREF_IDENT", tmp);
- /* Clear this after we set it */
- p->call_ref_ident = 0;
-
- snprintf(tmp, sizeof(tmp), "%d", p->call_ref_pc);
- pbx_builtin_setvar_helper(c, "SS7_CALLREF_PC", tmp);
- /* Clear this after we set it */
- p->call_ref_pc = 0;
-
- snprintf(tmp, sizeof(tmp), "%d", p->calling_party_cat);
- pbx_builtin_setvar_helper(c, "SS7_CALLING_PARTY_CATEGORY", tmp);
- /* Clear this after we set it */
- p->calling_party_cat = 0;
-
- if (!ast_strlen_zero(p->redirecting_num)) {
- pbx_builtin_setvar_helper(c, "SS7_REDIRECTING_NUMBER", p->redirecting_num);
- /* Clear this after we set it */
- p->redirecting_num[0] = 0;
- }
- if (!ast_strlen_zero(p->generic_name)) {
- pbx_builtin_setvar_helper(c, "SS7_GENERIC_NAME", p->generic_name);
- /* Clear this after we set it */
- p->generic_name[0] = 0;
- }
-
- if (ast_pbx_start(c)) {
- ast_log(LOG_WARNING, "Unable to start PBX on %s (CIC %d)\n", c->name, p->cic);
- ast_hangup(c);
- } else {
- ast_verb(3, "Accepting call to '%s' on CIC %d\n", p->exten, p->cic);
- }
- ast_mutex_lock(&linkset->lock);
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static void ss7_apply_plan_to_number(char *buf, size_t size, const struct sig_ss7_linkset *ss7, const char *number, const unsigned nai)
-{
- if (ast_strlen_zero(number)) { /* make sure a number exists so prefix isn't placed on an empty string */
- if (size) {
- *buf = '\0';
- }
- return;
- }
- switch (nai) {
- case SS7_NAI_INTERNATIONAL:
- snprintf(buf, size, "%s%s", ss7->internationalprefix, number);
- break;
- case SS7_NAI_NATIONAL:
- snprintf(buf, size, "%s%s", ss7->nationalprefix, number);
- break;
- case SS7_NAI_SUBSCRIBER:
- snprintf(buf, size, "%s%s", ss7->subscriberprefix, number);
- break;
- case SS7_NAI_UNKNOWN:
- snprintf(buf, size, "%s%s", ss7->unknownprefix, number);
- break;
- default:
- snprintf(buf, size, "%s", number);
- break;
- }
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static int ss7_pres_scr2cid_pres(char presentation_ind, char screening_ind)
-{
- return ((presentation_ind & 0x3) << 5) | (screening_ind & 0x3);
-}
-#endif /* defined(HAVE_SS7) */
-
-#if defined(HAVE_SS7)
-static void *ss7_linkset(void *data)
-{
- int res, i;
- struct timeval *next = NULL, tv;
- struct sig_ss7_linkset *linkset = (struct sig_ss7_linkset *) data;
- struct ss7 *ss7 = linkset->ss7;
- ss7_event *e = NULL;
- struct sig_ss7_chan *p;
- int chanpos;
- struct pollfd pollers[SIG_SS7_NUM_DCHANS];
- int cic;
- unsigned int dpc;
- int nextms = 0;
-
- ss7_set_debug(ss7, SIG_SS7_DEBUG_DEFAULT);
- ss7_start(ss7);
-
- while(1) {
- ast_mutex_lock(&linkset->lock);
- if ((next = ss7_schedule_next(ss7))) {
- tv = ast_tvnow();
- tv.tv_sec = next->tv_sec - tv.tv_sec;
- tv.tv_usec = next->tv_usec - tv.tv_usec;
- if (tv.tv_usec < 0) {
- tv.tv_usec += 1000000;
- tv.tv_sec -= 1;
- }
- if (tv.tv_sec < 0) {
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- }
- nextms = tv.tv_sec * 1000;
- nextms += tv.tv_usec / 1000;
- }
- ast_mutex_unlock(&linkset->lock);
-
- for (i = 0; i < linkset->numsigchans; i++) {
- pollers[i].fd = linkset->fds[i];
- pollers[i].events = ss7_pollflags(ss7, linkset->fds[i]);
- pollers[i].revents = 0;
- }
-
- res = poll(pollers, linkset->numsigchans, nextms);
- if ((res < 0) && (errno != EINTR)) {
- ast_log(LOG_ERROR, "poll(%s)\n", strerror(errno));
- } else if (!res) {
- ast_mutex_lock(&linkset->lock);
- ss7_schedule_run(ss7);
- ast_mutex_unlock(&linkset->lock);
- continue;
- }
-
- ast_mutex_lock(&linkset->lock);
- for (i = 0; i < linkset->numsigchans; i++) {
- if (pollers[i].revents & POLLPRI) {
- sig_ss7_handle_link_exception(linkset, i);
- }
- if (pollers[i].revents & POLLIN) {
- res = ss7_read(ss7, pollers[i].fd);
- }
- if (pollers[i].revents & POLLOUT) {
- res = ss7_write(ss7, pollers[i].fd);
- if (res < 0) {
- ast_debug(1, "Error in write %s\n", strerror(errno));
- }
- }
- }
-
- while ((e = ss7_check_event(ss7))) {
- switch (e->e) {
- case SS7_EVENT_UP:
- if (linkset->state != LINKSET_STATE_UP) {
- ast_verbose("--- SS7 Up ---\n");
- ss7_reset_linkset(linkset);
- }
- linkset->state = LINKSET_STATE_UP;
- break;
- case SS7_EVENT_DOWN:
- ast_verbose("--- SS7 Down ---\n");
- linkset->state = LINKSET_STATE_DOWN;
- for (i = 0; i < linkset->numchans; i++) {
- p = linkset->pvts[i];
- if (p) {
- sig_ss7_set_alarm(p, 1);
- }
- }
- break;
- case MTP2_LINK_UP:
- ast_verbose("MTP2 link up (SLC %d)\n", e->gen.data);
- break;
- case MTP2_LINK_DOWN:
- ast_log(LOG_WARNING, "MTP2 link down (SLC %d)\n", e->gen.data);
- break;
- case ISUP_EVENT_CPG:
- chanpos = ss7_find_cic(linkset, e->cpg.cic, e->cpg.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "CPG on unconfigured CIC %d\n", e->cpg.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- switch (e->cpg.event) {
- case CPG_EVENT_ALERTING:
- p->alerting = 1;
- sig_ss7_queue_control(linkset, chanpos, AST_CONTROL_RINGING);
- break;
- case CPG_EVENT_PROGRESS:
- case CPG_EVENT_INBANDINFO:
- {
- ast_debug(1, "Queuing frame PROGRESS on CIC %d\n", p->cic);
- sig_ss7_queue_control(linkset, chanpos, AST_CONTROL_PROGRESS);
- p->progress = 1;
- sig_ss7_set_dialing(p, 0);
-#if 0/* sig_pri seems to have just deleted this code. */
-/* BUGBUG dsp, dsp_features need equivalent. what done in sig_pri? */
- if (p->dsp && p->dsp_features) {
- ast_dsp_set_features(p->dsp, p->dsp_features);
- p->dsp_features = 0;
- }
-#endif
- }
- break;
- default:
- ast_debug(1, "Do not handle CPG with event type 0x%x\n", e->cpg.event);
- break;
- }
-
- sig_ss7_unlock_private(p);
- break;
- case ISUP_EVENT_RSC:
- ast_verbose("Resetting CIC %d\n", e->rsc.cic);
- chanpos = ss7_find_cic(linkset, e->rsc.cic, e->rsc.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "RSC on unconfigured CIC %d\n", e->rsc.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- sig_ss7_set_inservice(p, 1);
- sig_ss7_set_remotelyblocked(p, 0);
- dpc = p->dpc;
- isup_set_call_dpc(e->rsc.call, dpc);
- if (p->ss7call)
- p->ss7call = NULL;
- if (p->owner)
- p->owner->_softhangup |= AST_SOFTHANGUP_DEV;
- sig_ss7_unlock_private(p);
- isup_rlc(ss7, e->rsc.call);
- break;
- case ISUP_EVENT_GRS:
- ast_debug(1, "Got Reset for CICs %d to %d: Acknowledging\n", e->grs.startcic, e->grs.endcic);
- chanpos = ss7_find_cic(linkset, e->grs.startcic, e->grs.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "GRS on unconfigured CIC %d\n", e->grs.startcic);
- break;
- }
- p = linkset->pvts[chanpos];
- isup_gra(ss7, e->grs.startcic, e->grs.endcic, e->grs.opc);
- ss7_block_cics(linkset, e->grs.startcic, e->grs.endcic, e->grs.opc, NULL, 0);
- ss7_hangup_cics(linkset, e->grs.startcic, e->grs.endcic, e->grs.opc);
- break;
- case ISUP_EVENT_CQM:
- ast_debug(1, "Got Circuit group query message from CICs %d to %d\n", e->cqm.startcic, e->cqm.endcic);
- ss7_handle_cqm(linkset, e->cqm.startcic, e->cqm.endcic, e->cqm.opc);
- break;
- case ISUP_EVENT_GRA:
- ast_verbose("Got reset acknowledgement from CIC %d to %d.\n", e->gra.startcic, e->gra.endcic);
- ss7_inservice(linkset, e->gra.startcic, e->gra.endcic, e->gra.opc);
- ss7_block_cics(linkset, e->gra.startcic, e->gra.endcic, e->gra.opc, e->gra.status, 1);
- break;
- case ISUP_EVENT_IAM:
- ast_debug(1, "Got IAM for CIC %d and called number %s, calling number %s\n", e->iam.cic, e->iam.called_party_num, e->iam.calling_party_num);
- chanpos = ss7_find_cic(linkset, e->iam.cic, e->iam.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "IAM on unconfigured CIC %d\n", e->iam.cic);
- isup_rel(ss7, e->iam.call, -1);
- break;
- }
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- if (p->owner) {
- if (p->ss7call == e->iam.call) {
- sig_ss7_unlock_private(p);
- ast_log(LOG_WARNING, "Duplicate IAM requested on CIC %d\n", e->iam.cic);
- break;
- } else {
- sig_ss7_unlock_private(p);
- ast_log(LOG_WARNING, "Ring requested on CIC %d already in use!\n", e->iam.cic);
- break;
- }
- }
-
- dpc = p->dpc;
- p->ss7call = e->iam.call;
- isup_set_call_dpc(p->ss7call, dpc);
-
- if ((p->use_callerid) && (!ast_strlen_zero(e->iam.calling_party_num))) {
- ss7_apply_plan_to_number(p->cid_num, sizeof(p->cid_num), linkset, e->iam.calling_party_num, e->iam.calling_nai);
- p->callingpres = ss7_pres_scr2cid_pres(e->iam.presentation_ind, e->iam.screening_ind);
- } else
- p->cid_num[0] = 0;
-
- /* Set DNID */
- if (!ast_strlen_zero(e->iam.called_party_num)) {
- ss7_apply_plan_to_number(p->exten, sizeof(p->exten), linkset,
- e->iam.called_party_num, e->iam.called_nai);
- sig_ss7_set_dnid(p, p->exten);
- }
-
- if (p->immediate) {
- p->exten[0] = 's';
- p->exten[1] = '\0';
- } else if (!ast_strlen_zero(e->iam.called_party_num)) {
- char *st;
- ss7_apply_plan_to_number(p->exten, sizeof(p->exten), linkset, e->iam.called_party_num, e->iam.called_nai);
- st = strchr(p->exten, '#');
- if (st) {
- *st = '\0';
- }
- } else {
- p->exten[0] = '\0';
- }
-
- p->cid_ani[0] = '\0';
- if ((p->use_callerid) && (!ast_strlen_zero(e->iam.generic_name)))
- ast_copy_string(p->cid_name, e->iam.generic_name, sizeof(p->cid_name));
- else
- p->cid_name[0] = '\0';
-
- p->cid_ani2 = e->iam.oli_ani2;
- p->cid_ton = 0;
- ast_copy_string(p->charge_number, e->iam.charge_number, sizeof(p->charge_number));
- ast_copy_string(p->gen_add_number, e->iam.gen_add_number, sizeof(p->gen_add_number));
- p->gen_add_type = e->iam.gen_add_type;
- p->gen_add_nai = e->iam.gen_add_nai;
- p->gen_add_pres_ind = e->iam.gen_add_pres_ind;
- p->gen_add_num_plan = e->iam.gen_add_num_plan;
- ast_copy_string(p->gen_dig_number, e->iam.gen_dig_number, sizeof(p->gen_dig_number));
- p->gen_dig_type = e->iam.gen_dig_type;
- p->gen_dig_scheme = e->iam.gen_dig_scheme;
- ast_copy_string(p->jip_number, e->iam.jip_number, sizeof(p->jip_number));
- ast_copy_string(p->orig_called_num, e->iam.orig_called_num, sizeof(p->orig_called_num));
- ast_copy_string(p->redirecting_num, e->iam.redirecting_num, sizeof(p->redirecting_num));
- ast_copy_string(p->generic_name, e->iam.generic_name, sizeof(p->generic_name));
- p->calling_party_cat = e->iam.calling_party_cat;
-
- if (ast_exists_extension(NULL, p->context, p->exten, 1, p->cid_num)) {
-
- if (e->iam.cot_check_required) {
- sig_ss7_loopback(p, 1);
- } else
- ss7_start_call(p, linkset);
- } else {
- ast_debug(1, "Call on CIC for unconfigured extension %s\n", p->exten);
- p->alreadyhungup = 1;
- isup_rel(ss7, e->iam.call, AST_CAUSE_UNALLOCATED);
- }
- sig_ss7_unlock_private(p);
- break;
- case ISUP_EVENT_COT:
- chanpos = ss7_find_cic(linkset, e->cot.cic, e->cot.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "COT on unconfigured CIC %d\n", e->cot.cic);
- isup_rel(ss7, e->cot.call, -1);
- break;
- }
- p = linkset->pvts[chanpos];
-
- sig_ss7_lock_private(p);
-
- if (p->loopedback) {
- sig_ss7_loopback(p, 0);
- ss7_start_call(p, linkset);
- }
-
- sig_ss7_unlock_private(p);
-
- break;
- case ISUP_EVENT_CCR:
- ast_debug(1, "Got CCR request on CIC %d\n", e->ccr.cic);
- chanpos = ss7_find_cic(linkset, e->ccr.cic, e->ccr.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "CCR on unconfigured CIC %d\n", e->ccr.cic);
- break;
- }
-
- p = linkset->pvts[chanpos];
-
- sig_ss7_lock_private(p);
- sig_ss7_loopback(p, 1);
- sig_ss7_unlock_private(p);
-
- isup_lpa(linkset->ss7, e->ccr.cic, p->dpc);
- break;
- case ISUP_EVENT_CVT:
- ast_debug(1, "Got CVT request on CIC %d\n", e->cvt.cic);
- chanpos = ss7_find_cic(linkset, e->cvt.cic, e->cvt.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "CVT on unconfigured CIC %d\n", e->cvt.cic);
- break;
- }
-
- p = linkset->pvts[chanpos];
-
- sig_ss7_lock_private(p);
- sig_ss7_loopback(p, 1);
- sig_ss7_unlock_private(p);
-
- isup_cvr(linkset->ss7, e->cvt.cic, p->dpc);
- break;
- case ISUP_EVENT_REL:
- chanpos = ss7_find_cic(linkset, e->rel.cic, e->rel.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "REL on unconfigured CIC %d\n", e->rel.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- if (p->owner) {
- p->owner->hangupcause = e->rel.cause;
- p->owner->_softhangup |= AST_SOFTHANGUP_DEV;
- } else {
- ast_log(LOG_WARNING, "REL on channel (CIC %d) without owner!\n", p->cic);
- }
-
- /* End the loopback if we have one */
- sig_ss7_loopback(p, 0);
-
- isup_rlc(ss7, e->rel.call);
- p->ss7call = NULL;
-
- sig_ss7_unlock_private(p);
- break;
- case ISUP_EVENT_ACM:
- chanpos = ss7_find_cic(linkset, e->acm.cic, e->acm.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "ACM on unconfigured CIC %d\n", e->acm.cic);
- isup_rel(ss7, e->acm.call, -1);
- break;
- } else {
- p = linkset->pvts[chanpos];
-
- ast_debug(1, "Queueing frame from SS7_EVENT_ACM on CIC %d\n", p->cic);
-
- if (e->acm.call_ref_ident > 0) {
- p->rlt = 1; /* Setting it but not using it here*/
- }
-
- sig_ss7_lock_private(p);
- sig_ss7_queue_control(linkset, chanpos, AST_CONTROL_PROCEEDING);
- p->proceeding = 1;
- sig_ss7_set_dialing(p, 0);
- /* Send alerting if subscriber is free */
- if (e->acm.called_party_status_ind == 1) {
- p->alerting = 1;
- sig_ss7_queue_control(linkset, chanpos, AST_CONTROL_RINGING);
- }
- sig_ss7_unlock_private(p);
- }
- break;
- case ISUP_EVENT_CGB:
- chanpos = ss7_find_cic(linkset, e->cgb.startcic, e->cgb.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "CGB on unconfigured CIC %d\n", e->cgb.startcic);
- break;
- }
- p = linkset->pvts[chanpos];
- ss7_block_cics(linkset, e->cgb.startcic, e->cgb.endcic, e->cgb.opc, e->cgb.status, 1);
- isup_cgba(linkset->ss7, e->cgb.startcic, e->cgb.endcic, e->cgb.opc, e->cgb.status, e->cgb.type);
- break;
- case ISUP_EVENT_CGU:
- chanpos = ss7_find_cic(linkset, e->cgu.startcic, e->cgu.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "CGU on unconfigured CIC %d\n", e->cgu.startcic);
- break;
- }
- p = linkset->pvts[chanpos];
- ss7_block_cics(linkset, e->cgu.startcic, e->cgu.endcic, e->cgu.opc, e->cgu.status, 0);
- isup_cgua(linkset->ss7, e->cgu.startcic, e->cgu.endcic, e->cgu.opc, e->cgu.status, e->cgu.type);
- break;
- case ISUP_EVENT_UCIC:
- chanpos = ss7_find_cic(linkset, e->ucic.cic, e->ucic.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "UCIC on unconfigured CIC %d\n", e->ucic.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- ast_debug(1, "Unequiped Circuit Id Code on CIC %d\n", e->ucic.cic);
- sig_ss7_lock_private(p);
- sig_ss7_set_remotelyblocked(p, 1);
- sig_ss7_set_inservice(p, 0);
- sig_ss7_unlock_private(p);/* doesn't require a SS7 acknowledgement */
- break;
- case ISUP_EVENT_BLO:
- chanpos = ss7_find_cic(linkset, e->blo.cic, e->blo.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "BLO on unconfigured CIC %d\n", e->blo.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- ast_debug(1, "Blocking CIC %d\n", e->blo.cic);
- sig_ss7_lock_private(p);
- sig_ss7_set_remotelyblocked(p, 1);
- sig_ss7_unlock_private(p);
- isup_bla(linkset->ss7, e->blo.cic, p->dpc);
- break;
- case ISUP_EVENT_BLA:
- chanpos = ss7_find_cic(linkset, e->bla.cic, e->bla.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "BLA on unconfigured CIC %d\n", e->bla.cic);
- break;
- }
- ast_debug(1, "Blocking CIC %d\n", e->bla.cic);
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- sig_ss7_set_locallyblocked(p, 1);
- sig_ss7_unlock_private(p);
- break;
- case ISUP_EVENT_UBL:
- chanpos = ss7_find_cic(linkset, e->ubl.cic, e->ubl.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "UBL on unconfigured CIC %d\n", e->ubl.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- ast_debug(1, "Unblocking CIC %d\n", e->ubl.cic);
- sig_ss7_lock_private(p);
- sig_ss7_set_remotelyblocked(p, 0);
- sig_ss7_unlock_private(p);
- isup_uba(linkset->ss7, e->ubl.cic, p->dpc);
- break;
- case ISUP_EVENT_UBA:
- chanpos = ss7_find_cic(linkset, e->uba.cic, e->uba.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "UBA on unconfigured CIC %d\n", e->uba.cic);
- break;
- }
- p = linkset->pvts[chanpos];
- ast_debug(1, "Unblocking CIC %d\n", e->uba.cic);
- sig_ss7_lock_private(p);
- sig_ss7_set_locallyblocked(p, 0);
- sig_ss7_unlock_private(p);
- break;
- case ISUP_EVENT_CON:
- case ISUP_EVENT_ANM:
- if (e->e == ISUP_EVENT_CON)
- cic = e->con.cic;
- else
- cic = e->anm.cic;
-
- chanpos = ss7_find_cic(linkset, cic, (e->e == ISUP_EVENT_ANM) ? e->anm.opc : e->con.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "ANM/CON on unconfigured CIC %d\n", cic);
- isup_rel(ss7, (e->e == ISUP_EVENT_ANM) ? e->anm.call : e->con.call, -1);
- break;
- } else {
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- sig_ss7_queue_control(linkset, chanpos, AST_CONTROL_ANSWER);
-#if 0/* sig_pri seems to have just deleted this code. */
-/* BUGBUG dsp, dsp_features need equivalent. what done in sig_pri? */
- if (p->dsp && p->dsp_features) {
- ast_dsp_set_features(p->dsp, p->dsp_features);
- p->dsp_features = 0;
- }
-#endif
- sig_ss7_set_echocanceller(p, 1);
- sig_ss7_unlock_private(p);
- }
- break;
- case ISUP_EVENT_RLC:
- chanpos = ss7_find_cic(linkset, e->rlc.cic, e->rlc.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "RLC on unconfigured CIC %d\n", e->rlc.cic);
- break;
- } else {
- p = linkset->pvts[chanpos];
- sig_ss7_lock_private(p);
- if (p->alreadyhungup)
- p->ss7call = NULL;
- else
- ast_log(LOG_NOTICE, "Received RLC out and we haven't sent REL. Ignoring.\n");
- sig_ss7_unlock_private(p);
- }
- break;
- case ISUP_EVENT_FAA:
- chanpos = ss7_find_cic(linkset, e->faa.cic, e->faa.opc);
- if (chanpos < 0) {
- ast_log(LOG_WARNING, "FAA on unconfigured CIC %d\n", e->faa.cic);
- break;
- } else {
- p = linkset->pvts[chanpos];
- ast_debug(1, "FAA received on CIC %d\n", e->faa.cic);
- sig_ss7_lock_private(p);
- if (p->alreadyhungup){
- p->ss7call = NULL;
- ast_log(LOG_NOTICE, "Received FAA and we haven't sent FAR. Ignoring.\n");
- }
- sig_ss7_unlock_private(p);
- }
- break;
- default:
- ast_debug(1, "Unknown event %s\n", ss7_event2str(e->e));
- break;
- }
- }
- ast_mutex_unlock(&linkset->lock);
- }
-
- return 0;
-}
-#endif /* defined(HAVE_SS7) */
#if defined(HAVE_SS7)
static void dahdi_ss7_message(struct ss7 *ss7, char *s)
@@ -18311,495 +17210,6 @@
}
return 0;
}
-/* BUGBUG sig_ss7 API functions ----v*/
-
-/*!
- * \brief Notify the SS7 layer that the link is in alarm.
- * \since 1.8
- *
- * \param linkset Controlling linkset for the channel.
- * \param which Link index of the signaling channel.
- *
- * \return Nothing
- */
-void sig_ss7_link_alarm(struct sig_ss7_linkset *linkset, int which)
-{
- linkset->linkstate[which] |= (LINKSTATE_DOWN | LINKSTATE_INALARM);
- linkset->linkstate[which] &= ~LINKSTATE_UP;
- ss7_link_alarm(linkset->ss7, linkset->fds[which]);
-}
-
-/*!
- * \brief Notify the SS7 layer that the link is no longer in alarm.
- * \since 1.8
- *
- * \param linkset Controlling linkset for the channel.
- * \param which Link index of the signaling channel.
- *
- * \return Nothing
- */
-void sig_ss7_link_noalarm(struct sig_ss7_linkset *linkset, int which)
-{
- linkset->linkstate[which] &= ~(LINKSTATE_INALARM | LINKSTATE_DOWN);
- linkset->linkstate[which] |= LINKSTATE_STARTING;
- ss7_link_noalarm(linkset->ss7, linkset->fds[which]);
-}
-
-/*!
- * \brief Setup and add a SS7 link channel.
- * \since 1.8
- *
- * \param linkset Controlling linkset for the channel.
- * \param which Link index of the signaling channel.
- * \param ss7type Switch type of the linkset
- * \param transport Signaling transport of channel.
- * \param inalarm Non-zero if the channel is in alarm.
- * \param networkindicator User configuration parameter.
- * \param pointcode User configuration parameter.
- * \param adjpointcode User configuration parameter.
- *
- * \retval 0 on success.
- * \retval -1 on error.
- */
-int sig_ss7_add_sigchan(struct sig_ss7_linkset *linkset, int which, int ss7type, int transport, int inalarm, int networkindicator, int pointcode, int adjpointcode)
-{
- if (!linkset->ss7) {
- linkset->type = ss7type;
- linkset->ss7 = ss7_new(ss7type);
- if (!linkset->ss7) {
- ast_log(LOG_ERROR, "Can't create new SS7!\n");
- return -1;
- }
- }
-
- ss7_set_network_ind(linkset->ss7, networkindicator);
- ss7_set_pc(linkset->ss7, pointcode);
-
- if (ss7_add_link(linkset->ss7, transport, linkset->fds[which])) {
- ast_log(LOG_WARNING, "Could not add SS7 link!\n");
- }
-
- if (inalarm) {
- linkset->linkstate[which] = LINKSTATE_DOWN | LINKSTATE_INALARM;
- ss7_link_alarm(linkset->ss7, linkset->fds[which]);
- } else {
- linkset->linkstate[which] = LINKSTATE_DOWN;
- ss7_link_noalarm(linkset->ss7, linkset->fds[which]);
- }
-
- ss7_set_adjpc(linkset->ss7, linkset->fds[which], adjpointcode);
-
- return 0;
-}
-
-/*!
- * \brief Determine if the specified channel is available for an outgoing call.
- * \since 1.8
- *
- * \param p Signaling private structure pointer.
- *
- * \retval TRUE if the channel is available.
- */
-int sig_ss7_available(struct sig_ss7_chan *p)
-{
- if (!p->ss7) {
- /* Something is wrong here. A SS7 channel without the ss7 pointer? */
- return 0;
- }
-
- if (!p->inalarm && !p->owner && !p->ss7call
- && !p->locallyblocked && !p->remotelyblocked) {
- return 1;
- }
-
- return 0;
-}
-
-/*!
- * \brief Dial out using the specified SS7 channel.
- * \since 1.8
- *
- * \param p Signaling private structure pointer.
- * \param ast Asterisk channel structure pointer.
- * \param rdest Dialstring.
- *
- * \retval 0 on success.
- * \retval -1 on error.
- */
-int sig_ss7_call(struct sig_ss7_chan *p, struct ast_channel *ast, char *rdest)
-{
- char ss7_called_nai;
- int called_nai_strip;
- char ss7_calling_nai;
- int calling_nai_strip;
- const char *charge_str = NULL;
- const char *gen_address = NULL;
- const char *gen_digits = NULL;
- const char *gen_dig_type = NULL;
- const char *gen_dig_scheme = NULL;
- const char *gen_name = NULL;
- const char *jip_digits = NULL;
- const char *lspi_ident = NULL;
- const char *rlt_flag = NULL;
- const char *call_ref_id = NULL;
- const char *call_ref_pc = NULL;
- const char *send_far = NULL;
- char *c;
- char *l;
- char dest[256];
-
- ast_copy_string(dest, rdest, sizeof(dest));
-
- c = strchr(dest, '/');
- if (c) {
- c++;
- } else {
- c = "";
- }
- if (strlen(c) < p->stripmsd) {
- ast_log(LOG_WARNING, "Number '%s' is shorter than stripmsd (%d)\n", c, p->stripmsd);
- return -1;
- }
-
- if (!p->hidecallerid) {
- l = ast->connected.id.number;
- } else {
- l = NULL;
- }
-
- if (ss7_grab(p, p->ss7)) {
- ast_log(LOG_WARNING, "Failed to grab SS7!\n");
- return -1;
- }
-
- p->ss7call = isup_new_call(p->ss7->ss7);
- if (!p->ss7call) {
- ss7_rel(p->ss7);
- ast_log(LOG_ERROR, "Unable to allocate new SS7 call!\n");
- return -1;
- }
-
- called_nai_strip = 0;
- ss7_called_nai = p->ss7->called_nai;
- if (ss7_called_nai == SS7_NAI_DYNAMIC) { /* compute dynamically */
- if (strncmp(c + p->stripmsd, p->ss7->internationalprefix, strlen(p->ss7->internationalprefix)) == 0) {
- called_nai_strip = strlen(p->ss7->internationalprefix);
[... 1908 lines stripped ...]
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