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Moving trunk changes back into 1.4

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git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@557 2fbb986a-6c06-0410-b554-c9c1f0a7f128
This commit is contained in:
Matthew Fredrickson 2008-05-07 19:51:44 +00:00
parent dee4c9ae0f
commit b9a6ab0c69
13 changed files with 1366 additions and 323 deletions
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34
Makefile
View File

@ -34,14 +34,19 @@ AWK=awk
OSARCH=$(shell uname -s)
PROC?=$(shell uname -m)
# SONAME version; should be changed on every ABI change
# please don't change it needlessly; it's perfectly fine to have a SONAME
# of 1.2 and a version of 1.4.x
SONAME:=1.4
STATIC_LIBRARY=libpri.a
DYNAMIC_LIBRARY=libpri.so.1.0
DYNAMIC_LIBRARY:=libpri.so.$(SONAME)
STATIC_OBJS=copy_string.o pri.o q921.o prisched.o q931.o pri_facility.o version.o
DYNAMIC_OBJS=copy_string.lo pri.lo q921.lo prisched.lo q931.lo pri_facility.lo version.lo
CFLAGS=-Wall -Werror -Wstrict-prototypes -Wmissing-prototypes -g -fPIC $(ALERTING) $(LIBPRI_COUNTERS)
INSTALL_PREFIX=$(DESTDIR)
INSTALL_BASE=/usr
SOFLAGS = -Wl,-hlibpri.so.1.0
SOFLAGS:=-Wl,-h$(DYNAMIC_LIBRARY)
LDCONFIG = /sbin/ldconfig
ifneq (,$(findstring X$(OSARCH)X, XLinuxX XGNU/kFreeBSDX))
LDCONFIG_FLAGS=-n
@ -56,7 +61,6 @@ ifeq (${OSARCH},SunOS)
CFLAGS += -DSOLARIS -I../zaptel-solaris
LDCONFIG =
LDCONFIG_FLAGS = \# # Trick to comment out the period in the command below
SOSLINK = ln -sf libpri.so.1.0 libpri.so.1
#INSTALL_PREFIX = /opt/asterisk # Uncomment out to install in standard Solaris location for 3rd party code
endif
@ -77,7 +81,16 @@ all: depend $(STATIC_LIBRARY) $(DYNAMIC_LIBRARY)
update:
@if [ -d .svn ]; then \
echo "Updating from Subversion..." ; \
svn update -q; \
fromrev="`svn info | $(AWK) '/Revision: / {print $$2}'`"; \
svn update | tee update.out; \
torev="`svn info | $(AWK) '/Revision: / {print $$2}'`"; \
echo "`date` Updated from revision $${fromrev} to $${torev}." >> update.log; \
rm -f .version; \
if [ `grep -c ^C update.out` -gt 0 ]; then \
echo ; echo "The following files have conflicts:" ; \
grep ^C update.out | cut -b4- ; \
fi ; \
rm -f update.out; \
else \
echo "Not under version control"; \
fi
@ -89,20 +102,19 @@ ifneq (${OSARCH},SunOS)
install -m 644 libpri.h $(INSTALL_PREFIX)$(INSTALL_BASE)/include
install -m 755 $(DYNAMIC_LIBRARY) $(INSTALL_PREFIX)$(INSTALL_BASE)/lib
if [ -x /usr/sbin/sestatus ] && ( /usr/sbin/sestatus | grep "SELinux status:" | grep -q "enabled"); then /sbin/restorecon -v $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/$(DYNAMIC_LIBRARY); fi
( cd $(INSTALL_PREFIX)$(INSTALL_BASE)/lib ; ln -sf libpri.so.1.0 libpri.so ; ln -sf libpri.so.1.0 libpri.so.1 )
( cd $(INSTALL_PREFIX)$(INSTALL_BASE)/lib ; ln -sf libpri.so.$(SONAME) libpri.so)
install -m 644 $(STATIC_LIBRARY) $(INSTALL_PREFIX)$(INSTALL_BASE)/lib
if test $$(id -u) = 0; then $(LDCONFIG) $(LDCONFIG_FLAGS) $(INSTALL_PREFIX)$(INSTALL_BASE)/lib; fi
else
install -f $(INSTALL_PREFIX)$(INSTALL_BASE)/include -m 644 libpri.h
install -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib -m 755 $(DYNAMIC_LIBRARY)
( cd $(INSTALL_PREFIX)$(INSTALL_BASE)/lib ; ln -sf libpri.so.1.0 libpri.so ; $(SOSLINK) )
( cd $(INSTALL_PREFIX)$(INSTALL_BASE)/lib ; ln -sf libpri.so.$(SONAME) libpri.so)
install -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib -m 644 $(STATIC_LIBRARY)
endif
uninstall:
@echo "Removing Libpri"
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/libpri.so.1.0
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/libpri.so.1
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/libpri.so.$(SONAME)
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/libpri.so
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/lib/libpri.a
rm -f $(INSTALL_PREFIX)$(INSTALL_BASE)/include/libpri.h
@ -133,9 +145,7 @@ $(STATIC_LIBRARY): $(STATIC_OBJS)
$(DYNAMIC_LIBRARY): $(DYNAMIC_OBJS)
$(CC) -shared $(SOFLAGS) -o $@ $(DYNAMIC_OBJS)
$(LDCONFIG) $(LDCONFIG_FLAGS) .
ln -sf libpri.so.1.0 libpri.so
ln -sf libpri.so.1.0 libpri.so.1
$(SOSLINK)
ln -sf libpri.so.$(SONAME) libpri.so
version.c:
@build_tools/make_version_c > $@.tmp
@ -143,7 +153,7 @@ version.c:
@rm -f $@.tmp
clean:
rm -f *.o *.so *.lo *.so.1 *.so.1.0
rm -f *.o *.so *.lo *.so.$(SONAME)
rm -f testprilib $(STATIC_LIBRARY) $(DYNAMIC_LIBRARY)
rm -f pritest pridump
rm -f .depend

118
libpri.h
View File

@ -342,6 +342,8 @@ typedef struct pri_event_facname {
int channel;
int cref;
q931_call *call;
int callingpres; /* Presentation of Calling CallerID */
int callingplan; /* Dialing plan of Calling entity */
} pri_event_facname;
#define PRI_CALLINGPLANANI
@ -451,77 +453,78 @@ typedef int (*pri_io_cb)(struct pri *pri, void *buf, int buflen);
channel operating in HDLC mode with FCS computed by the fd's driver. Also it
must be NON-BLOCKING! Frames received on the fd should include FCS. Nodetype
must be one of PRI_NETWORK or PRI_CPE. switchtype should be PRI_SWITCH_* */
extern struct pri *pri_new(int fd, int nodetype, int switchtype);
struct pri *pri_new(int fd, int nodetype, int switchtype);
struct pri *pri_new_bri(int fd, int ptpmode, int nodetype, int switchtype);
/* Create D-channel just as above with user defined I/O callbacks and data */
extern struct pri *pri_new_cb(int fd, int nodetype, int switchtype, pri_io_cb io_read, pri_io_cb io_write, void *userdata);
struct pri *pri_new_cb(int fd, int nodetype, int switchtype, pri_io_cb io_read, pri_io_cb io_write, void *userdata);
/* Retrieve the user data associated with the D channel */
extern void *pri_get_userdata(struct pri *pri);
void *pri_get_userdata(struct pri *pri);
/* Set the user data associated with the D channel */
extern void pri_set_userdata(struct pri *pri, void *userdata);
void pri_set_userdata(struct pri *pri, void *userdata);
/* Set Network Specific Facility for PRI */
extern void pri_set_nsf(struct pri *pri, int nsf);
void pri_set_nsf(struct pri *pri, int nsf);
/* Set debug parameters on PRI -- see above debug definitions */
extern void pri_set_debug(struct pri *pri, int debug);
void pri_set_debug(struct pri *pri, int debug);
/* Get debug parameters on PRI -- see above debug definitions */
extern int pri_get_debug(struct pri *pri);
int pri_get_debug(struct pri *pri);
#define PRI_FACILITY_ENABLE
/* Enable transmission support of Facility IEs on the pri */
extern void pri_facility_enable(struct pri *pri);
void pri_facility_enable(struct pri *pri);
/* Run PRI on the given D-channel, taking care of any events that
need to be handled. If block is set, it will block until an event
occurs which needs to be handled */
extern pri_event *pri_dchannel_run(struct pri *pri, int block);
pri_event *pri_dchannel_run(struct pri *pri, int block);
/* Check for an outstanding event on the PRI */
pri_event *pri_check_event(struct pri *pri);
/* Give a name to a given event ID */
extern char *pri_event2str(int id);
char *pri_event2str(int id);
/* Give a name to a node type */
extern char *pri_node2str(int id);
char *pri_node2str(int id);
/* Give a name to a switch type */
extern char *pri_switch2str(int id);
char *pri_switch2str(int id);
/* Print an event */
extern void pri_dump_event(struct pri *pri, pri_event *e);
void pri_dump_event(struct pri *pri, pri_event *e);
/* Turn presentation into a string */
extern char *pri_pres2str(int pres);
char *pri_pres2str(int pres);
/* Turn numbering plan into a string */
extern char *pri_plan2str(int plan);
char *pri_plan2str(int plan);
/* Turn cause into a string */
extern char *pri_cause2str(int cause);
char *pri_cause2str(int cause);
/* Acknowledge a call and place it on the given channel. Set info to non-zero if there
is in-band data available on the channel */
extern int pri_acknowledge(struct pri *pri, q931_call *call, int channel, int info);
int pri_acknowledge(struct pri *pri, q931_call *call, int channel, int info);
/* Send a digit in overlap mode */
extern int pri_information(struct pri *pri, q931_call *call, char digit);
int pri_information(struct pri *pri, q931_call *call, char digit);
#define PRI_KEYPAD_FACILITY_TX
/* Send a keypad facility string of digits */
extern int pri_keypad_facility(struct pri *pri, q931_call *call, char *digits);
int pri_keypad_facility(struct pri *pri, q931_call *call, char *digits);
/* Answer the incomplete(call without called number) call on the given channel.
Set non-isdn to non-zero if you are not connecting to ISDN equipment */
extern int pri_need_more_info(struct pri *pri, q931_call *call, int channel, int nonisdn);
int pri_need_more_info(struct pri *pri, q931_call *call, int channel, int nonisdn);
/* Answer the call on the given channel (ignored if you called acknowledge already).
Set non-isdn to non-zero if you are not connecting to ISDN equipment */
extern int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn);
int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn);
/* Set CRV reference for GR-303 calls */
@ -538,60 +541,60 @@ extern int pri_answer(struct pri *pri, q931_call *call, int channel, int nonisdn
/* Hangup a call */
#define PRI_HANGUP
extern int pri_hangup(struct pri *pri, q931_call *call, int cause);
int pri_hangup(struct pri *pri, q931_call *call, int cause);
#define PRI_DESTROYCALL
extern void pri_destroycall(struct pri *pri, q931_call *call);
void pri_destroycall(struct pri *pri, q931_call *call);
#define PRI_RESTART
extern int pri_restart(struct pri *pri);
int pri_restart(struct pri *pri);
extern int pri_reset(struct pri *pri, int channel);
int pri_reset(struct pri *pri, int channel);
/* Create a new call */
extern q931_call *pri_new_call(struct pri *pri);
q931_call *pri_new_call(struct pri *pri);
/* Retrieve CRV reference for GR-303 calls. Returns >0 on success. */
extern int pri_get_crv(struct pri *pri, q931_call *call, int *callmode);
int pri_get_crv(struct pri *pri, q931_call *call, int *callmode);
/* Retrieve CRV reference for GR-303 calls. CRV must be >0, call mode should be 0 */
extern int pri_set_crv(struct pri *pri, q931_call *call, int crv, int callmode);
int pri_set_crv(struct pri *pri, q931_call *call, int crv, int callmode);
/* How long until you need to poll for a new event */
extern struct timeval *pri_schedule_next(struct pri *pri);
struct timeval *pri_schedule_next(struct pri *pri);
/* Run any pending schedule events */
extern pri_event *pri_schedule_run(struct pri *pri);
extern pri_event *pri_schedule_run_tv(struct pri *pri, const struct timeval *now);
extern int pri_call(struct pri *pri, q931_call *c, int transmode, int channel,
int pri_call(struct pri *pri, q931_call *c, int transmode, int channel,
int exclusive, int nonisdn, char *caller, int callerplan, char *callername, int callerpres,
char *called,int calledplan, int ulayer1);
extern struct pri_sr *pri_sr_new(void);
extern void pri_sr_free(struct pri_sr *sr);
struct pri_sr *pri_sr_new(void);
void pri_sr_free(struct pri_sr *sr);
extern int pri_sr_set_channel(struct pri_sr *sr, int channel, int exclusive, int nonisdn);
extern int pri_sr_set_bearer(struct pri_sr *sr, int transmode, int userl1);
extern int pri_sr_set_called(struct pri_sr *sr, char *called, int calledplan, int complete);
extern int pri_sr_set_caller(struct pri_sr *sr, char *caller, char *callername, int callerplan, int callerpres);
extern int pri_sr_set_redirecting(struct pri_sr *sr, char *num, int plan, int pres, int reason);
int pri_sr_set_channel(struct pri_sr *sr, int channel, int exclusive, int nonisdn);
int pri_sr_set_bearer(struct pri_sr *sr, int transmode, int userl1);
int pri_sr_set_called(struct pri_sr *sr, char *called, int calledplan, int complete);
int pri_sr_set_caller(struct pri_sr *sr, char *caller, char *callername, int callerplan, int callerpres);
int pri_sr_set_redirecting(struct pri_sr *sr, char *num, int plan, int pres, int reason);
#define PRI_USER_USER_TX
/* Set the user user field. Warning! don't send binary data accross this field */
extern void pri_sr_set_useruser(struct pri_sr *sr, const char *userchars);
void pri_sr_set_useruser(struct pri_sr *sr, const char *userchars);
extern void pri_call_set_useruser(q931_call *sr, const char *userchars);
void pri_call_set_useruser(q931_call *sr, const char *userchars);
extern int pri_setup(struct pri *pri, q931_call *call, struct pri_sr *req);
int pri_setup(struct pri *pri, q931_call *call, struct pri_sr *req);
/* Set a call has a call indpendent signalling connection (i.e. no bchan) */
extern int pri_sr_set_connection_call_independent(struct pri_sr *req);
int pri_sr_set_connection_call_independent(struct pri_sr *req);
/* Send an MWI indication to a remote location. If activate is non zero, activates, if zero, decativates */
extern int pri_mwi_activate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
int pri_mwi_activate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
/* Send an MWI deactivate request to a remote location */
extern int pri_mwi_deactivate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
int pri_mwi_deactivate(struct pri *pri, q931_call *c, char *caller, int callerplan, char *callername, int callerpres, char *called, int calledplan);
#define PRI_2BCT
/* Attempt to pass the channels back to the NET side if compatable and
@ -600,30 +603,30 @@ int pri_channel_bridge(q931_call *call1, q931_call *call2);
/* Override message and error stuff */
#define PRI_NEW_SET_API
extern void pri_set_message(void (*__pri_error)(struct pri *pri, char *));
extern void pri_set_error(void (*__pri_error)(struct pri *pri, char *));
void pri_set_message(void (*__pri_error)(struct pri *pri, char *));
void pri_set_error(void (*__pri_error)(struct pri *pri, char *));
/* Set overlap mode */
#define PRI_SET_OVERLAPDIAL
extern void pri_set_overlapdial(struct pri *pri,int state);
void pri_set_overlapdial(struct pri *pri,int state);
#define PRI_DUMP_INFO_STR
extern char *pri_dump_info_str(struct pri *pri);
char *pri_dump_info_str(struct pri *pri);
/* Get file descriptor */
extern int pri_fd(struct pri *pri);
int pri_fd(struct pri *pri);
#define PRI_PROGRESS
/* Send call proceeding */
extern int pri_progress(struct pri *pri, q931_call *c, int channel, int info);
int pri_progress(struct pri *pri, q931_call *c, int channel, int info);
#define PRI_PROCEEDING_FULL
/* Send call proceeding */
extern int pri_proceeding(struct pri *pri, q931_call *c, int channel, int info);
int pri_proceeding(struct pri *pri, q931_call *c, int channel, int info);
/* Enslave a PRI to another, so they share the same call list
(and maybe some timers) */
extern void pri_enslave(struct pri *master, struct pri *slave);
void pri_enslave(struct pri *master, struct pri *slave);
#define PRI_GR303_SUPPORT
#define PRI_ENSLAVE_SUPPORT
@ -634,20 +637,20 @@ extern void pri_enslave(struct pri *master, struct pri *slave);
#define PRI_ANI
/* Send notification */
extern int pri_notify(struct pri *pri, q931_call *c, int channel, int info);
int pri_notify(struct pri *pri, q931_call *c, int channel, int info);
/* Get/Set PRI Timers */
#define PRI_GETSET_TIMERS
extern int pri_set_timer(struct pri *pri, int timer, int value);
extern int pri_get_timer(struct pri *pri, int timer);
extern int pri_timer2idx(char *timer);
int pri_set_timer(struct pri *pri, int timer, int value);
int pri_get_timer(struct pri *pri, int timer);
int pri_timer2idx(char *timer);
#define PRI_MAX_TIMERS 32
#define PRI_TIMER_N200 0 /* Maximum numer of q921 retransmissions */
#define PRI_TIMER_N201 1 /* Maximum numer of octets in an information field */
#define PRI_TIMER_N202 2 /* Maximum numer of transmissions of the TEI identity request message */
#define PRI_TIMER_K 3 /* Maximum number of outstanding I-frames */
#define PRI_TIMER_K 3 /* Maximum number of outstanding I-frames */
#define PRI_TIMER_T200 4 /* time between SABME's */
#define PRI_TIMER_T201 5 /* minimum time between retransmissions of the TEI Identity check messages */
@ -675,6 +678,9 @@ extern int pri_timer2idx(char *timer);
#define PRI_TIMER_T321 26
#define PRI_TIMER_T322 27
#define PRI_TIMER_TM20 28 /* maximum time avaiting XID response */
#define PRI_TIMER_NM20 29 /* number of XID retransmits */
/* Get PRI version */
const char *pri_get_version(void);

145
pri.c
View File

@ -81,7 +81,7 @@ char *pri_switch2str(int sw)
static void pri_default_timers(struct pri *pri, int switchtype)
{
int defaulttimers[20][PRI_MAX_TIMERS] = PRI_TIMERS_ALL;
static const int defaulttimers[20][PRI_MAX_TIMERS] = PRI_TIMERS_ALL;
int x;
for (x = 0; x<PRI_MAX_TIMERS; x++) {
@ -187,63 +187,76 @@ static int __pri_write(struct pri *pri, void *buf, int buflen)
return res;
}
static struct pri *__pri_new(int fd, int node, int switchtype, struct pri *master, pri_io_cb rd, pri_io_cb wr, void *userdata)
/* Pass in the master for this function */
void __pri_free_tei(struct pri * p)
{
free (p);
}
struct pri *__pri_new_tei(int fd, int node, int switchtype, struct pri *master, pri_io_cb rd, pri_io_cb wr, void *userdata, int tei, int bri)
{
struct pri *p;
p = malloc(sizeof(struct pri));
if (p) {
memset(p, 0, sizeof(struct pri));
p->fd = fd;
p->read_func = rd;
p->write_func = wr;
p->userdata = userdata;
p->localtype = node;
p->switchtype = switchtype;
p->cref = 1;
p->sapi = Q921_SAPI_CALL_CTRL;
p->tei = 0;
p->nsf = PRI_NSF_NONE;
p->protodisc = Q931_PROTOCOL_DISCRIMINATOR;
p->master = master;
p->callpool = &p->localpool;
pri_default_timers(p, switchtype);
#ifdef LIBPRI_COUNTERS
p->q921_rxcount = 0;
p->q921_txcount = 0;
p->q931_rxcount = 0;
p->q931_txcount = 0;
#endif
if (switchtype == PRI_SWITCH_GR303_EOC) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_EOC;
p->tei = Q921_TEI_GR303_EOC_OPS;
p->subchannel = __pri_new(-1, node, PRI_SWITCH_GR303_EOC_PATH, p, NULL, NULL, NULL);
if (!p->subchannel) {
free(p);
p = NULL;
}
} else if (switchtype == PRI_SWITCH_GR303_TMC) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_TMC_CALLPROC;
p->tei = Q921_TEI_GR303_TMC_CALLPROC;
p->subchannel = __pri_new(-1, node, PRI_SWITCH_GR303_TMC_SWITCHING, p, NULL, NULL, NULL);
if (!p->subchannel) {
free(p);
p = NULL;
}
} else if (switchtype == PRI_SWITCH_GR303_TMC_SWITCHING) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_TMC_SWITCHING;
p->tei = Q921_TEI_GR303_TMC_SWITCHING;
} else if (switchtype == PRI_SWITCH_GR303_EOC_PATH) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_EOC;
p->tei = Q921_TEI_GR303_EOC_PATH;
}
/* Start Q.921 layer, Wait if we're the network */
if (p)
q921_start(p, p->localtype == PRI_CPE);
if (!(p = calloc(1, sizeof(*p))))
return NULL;
p->bri = bri;
p->fd = fd;
p->read_func = rd;
p->write_func = wr;
p->userdata = userdata;
p->localtype = node;
p->switchtype = switchtype;
p->cref = 1;
p->sapi = (tei == Q921_TEI_GROUP) ? Q921_SAPI_LAYER2_MANAGEMENT : Q921_SAPI_CALL_CTRL;
p->tei = tei;
p->nsf = PRI_NSF_NONE;
p->protodisc = Q931_PROTOCOL_DISCRIMINATOR;
p->master = master;
p->callpool = &p->localpool;
pri_default_timers(p, switchtype);
if (master) {
pri_set_debug(p, master->debug);
if (master->sendfacility)
pri_facility_enable(p);
}
#ifdef LIBPRI_COUNTERS
p->q921_rxcount = 0;
p->q921_txcount = 0;
p->q931_rxcount = 0;
p->q931_txcount = 0;
#endif
if (switchtype == PRI_SWITCH_GR303_EOC) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_EOC;
p->tei = Q921_TEI_GR303_EOC_OPS;
p->subchannel = __pri_new_tei(-1, node, PRI_SWITCH_GR303_EOC_PATH, p, NULL, NULL, NULL, Q921_TEI_GR303_EOC_PATH, 0);
if (!p->subchannel) {
free(p);
p = NULL;
}
} else if (switchtype == PRI_SWITCH_GR303_TMC) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_TMC_CALLPROC;
p->tei = Q921_TEI_GR303_TMC_CALLPROC;
p->subchannel = __pri_new_tei(-1, node, PRI_SWITCH_GR303_TMC_SWITCHING, p, NULL, NULL, NULL, Q921_TEI_GR303_TMC_SWITCHING, 0);
if (!p->subchannel) {
free(p);
p = NULL;
}
} else if (switchtype == PRI_SWITCH_GR303_TMC_SWITCHING) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_TMC_SWITCHING;
p->tei = Q921_TEI_GR303_TMC_SWITCHING;
} else if (switchtype == PRI_SWITCH_GR303_EOC_PATH) {
p->protodisc = GR303_PROTOCOL_DISCRIMINATOR;
p->sapi = Q921_SAPI_GR303_EOC;
p->tei = Q921_TEI_GR303_EOC_PATH;
}
/* Start Q.921 layer, Wait if we're the network */
if (p)
q921_start(p, p->localtype == PRI_CPE);
return p;
}
@ -270,7 +283,15 @@ int pri_restart(struct pri *pri)
struct pri *pri_new(int fd, int nodetype, int switchtype)
{
return __pri_new(fd, nodetype, switchtype, NULL, __pri_read, __pri_write, NULL);
return __pri_new_tei(fd, nodetype, switchtype, NULL, __pri_read, __pri_write, NULL, Q921_TEI_PRI, 0);
}
struct pri *pri_new_bri(int fd, int ptpmode, int nodetype, int switchtype)
{
if (ptpmode)
return __pri_new_tei(fd, nodetype, switchtype, NULL, __pri_read, __pri_write, NULL, Q921_TEI_PRI, 1);
else
return __pri_new_tei(fd, nodetype, switchtype, NULL, __pri_read, __pri_write, NULL, Q921_TEI_GROUP, 1);
}
struct pri *pri_new_cb(int fd, int nodetype, int switchtype, pri_io_cb io_read, pri_io_cb io_write, void *userdata)
@ -279,7 +300,7 @@ struct pri *pri_new_cb(int fd, int nodetype, int switchtype, pri_io_cb io_read,
io_read = __pri_read;
if (!io_write)
io_write = __pri_write;
return __pri_new(fd, nodetype, switchtype, NULL, io_read, io_write, userdata);
return __pri_new_tei(fd, nodetype, switchtype, NULL, io_read, io_write, userdata, Q921_TEI_PRI, 0);
}
void *pri_get_userdata(struct pri *pri)
@ -556,6 +577,14 @@ int pri_channel_bridge(q931_call *call1, q931_call *call2)
else
return 0;
break;
case PRI_SWITCH_QSIG:
call1->bridged_call = call2;
call2->bridged_call = call1;
if (anfpr_initiate_transfer(call1->pri, call1, call2))
return -1;
else
return 0;
break;
default:
return -1;
}
@ -821,7 +850,7 @@ void pri_enslave(struct pri *master, struct pri *slave)
struct pri_sr *pri_sr_new(void)
{
struct pri_sr *req;
req = malloc(sizeof(struct pri_sr));
req = malloc(sizeof(*req));
if (req)
pri_sr_init(req);
return req;

718
pri_facility.c
View File

@ -167,9 +167,18 @@ static unsigned char get_invokeid(struct pri *pri)
struct addressingdataelements_presentednumberunscreened {
char partyaddress[21];
char partysubaddress[21];
int npi;
int ton;
int pres;
int npi; /* Numbering Plan Indicator */
int ton; /* Type Of Number */
int pres; /* Presentation */
};
struct addressingdataelements_presentednumberscreened {
char partyaddress[21];
char partysubaddress[21];
int npi; /* Numbering Plan Indicator */
int ton; /* Type Of Number */
int pres; /* Presentation */
int scrind; /* Screening Indicator */
};
#define PRI_CHECKOVERFLOW(size) \
@ -453,6 +462,35 @@ static int rose_public_party_number_decode(struct pri *pri, q931_call *call, uns
return -1;
}
static int rose_private_party_number_decode(struct pri *pri, q931_call *call, unsigned char *data, int len, struct addressingdataelements_presentednumberunscreened *value)
{
int i = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = data;
int ton;
int res = 0;
if (len < 2)
return -1;
do {
GET_COMPONENT(comp, i, vdata, len);
CHECK_COMPONENT(comp, ASN1_ENUMERATED, "Don't know what to do with PrivatePartyNumber ROSE component type 0x%x\n");
ASN1_GET_INTEGER(comp, ton);
NEXT_COMPONENT(comp, i);
ton = typeofnumber_for_q931(pri, ton);
res = rose_number_digits_decode(pri, call, &vdata[i], len-i, value);
if (res < 0)
return -1;
value->ton = ton;
return res + 3;
} while(0);
return -1;
}
static int rose_address_decode(struct pri *pri, q931_call *call, unsigned char *data, int len, struct addressingdataelements_presentednumberunscreened *value)
{
int i = 0;
@ -503,9 +541,11 @@ static int rose_address_decode(struct pri *pri, q931_call *call, unsigned char *
pri_message(pri, "!! telexPartyNumber isn't handled\n");
return -1;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_5): /* [5] priavePartyNumber */
pri_message(pri, "!! privatePartyNumber isn't handled\n");
value->npi = PRI_NPI_PRIVATE;
res = rose_private_party_number_decode(pri, call, comp->data, comp->len, value);
if (res < 0)
return -1;
value->npi = PRI_NPI_PRIVATE;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_8): /* [8] nationalStandardPartyNumber */
res = rose_number_digits_decode(pri, call, comp->data, comp->len, value);
if (res < 0)
@ -589,6 +629,8 @@ static int rose_diverting_leg_information2_decode(struct pri *pri, q931_call *ca
struct rose_component *comp = NULL;
unsigned char *vdata = sequence->data;
int res = 0;
memset(&divertingnr, 0, sizeof(divertingnr));
memset(&originalcallednr, 0, sizeof(originalcallednr));
/* Data checks */
if (sequence->type != (ASN1_CONSTRUCTOR | ASN1_SEQUENCE)) { /* Constructed Sequence */
@ -670,6 +712,9 @@ static int rose_diverting_leg_information2_decode(struct pri *pri, q931_call *ca
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " Received Originally Called Name '%s'\n", origcalledname);
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_5):
pri_message(pri, "!! Ignoring DivertingLegInformation2 component 0x%X\n", comp->type);
break;
default:
if (comp->type == 0 && comp->len == 0) {
break; /* Found termination characters */
@ -684,11 +729,13 @@ static int rose_diverting_leg_information2_decode(struct pri *pri, q931_call *ca
call->redirectingpres = divertingnr.pres;
call->redirectingreason = diversion_reason;
libpri_copy_string(call->redirectingnum, divertingnr.partyaddress, sizeof(call->redirectingnum));
pri_message(pri, " Received redirectingnum '%s' (%d)\n", call->redirectingnum, (int)call->redirectingnum[0]);
}
if (originalcallednr.pres >= 0) {
call->origcalledplan = originalcallednr.npi;
call->origcalledpres = originalcallednr.pres;
libpri_copy_string(call->origcallednum, originalcallednr.partyaddress, sizeof(call->origcallednum));
pri_message(pri, " Received origcallednum '%s' (%d)\n", call->origcallednum, (int)call->origcallednum[0]);
}
libpri_copy_string(call->redirectingname, redirectingname, sizeof(call->redirectingname));
libpri_copy_string(call->origcalledname, origcalledname, sizeof(call->origcalledname));
@ -1134,6 +1181,162 @@ int eect_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2)
}
/* End EECT */
static int anfpr_pathreplacement_respond(struct pri *pri, q931_call *call, q931_ie *ie)
{
int res;
res = pri_call_apdu_queue_cleanup(call->bridged_call);
if (res) {
pri_message(pri, "Could not Clear queue ADPU\n");
return -1;
}
/* Send message */
res = pri_call_apdu_queue(call->bridged_call, Q931_FACILITY, ie->data, ie->len, NULL, NULL);
if (res) {
pri_message(pri, "Could not queue ADPU in facility message\n");
return -1;
}
/* Remember that if we queue a facility IE for a facility message we
* have to explicitly send the facility message ourselves */
res = q931_facility(call->bridged_call->pri, call->bridged_call);
if (res) {
pri_message(pri, "Could not schedule facility message for call %d\n", call->bridged_call->cr);
return -1;
}
return 0;
}
/* AFN-PR */
extern int anfpr_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2)
{
/* Did all the tests to see if we're on the same PRI and
* are on a compatible switchtype */
/* TODO */
int i = 0;
int res = 0;
unsigned char buffer[255] = "";
unsigned short call_reference = c2->cr;
struct rose_component *comp = NULL, *compstk[10];
unsigned char buffer2[255] = "";
int compsp = 0;
static unsigned char op_tag[] = {
0x0C,
};
/* Channel 1 */
buffer[i++] = (ASN1_CONTEXT_SPECIFIC | Q932_PROTOCOL_EXTENSIONS);
/* Interpretation component */
ASN1_ADD_SIMPLE(comp, COMP_TYPE_NFE, buffer, i);
ASN1_PUSH(compstk, compsp, comp);
ASN1_ADD_BYTECOMP(comp, (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_0), buffer, i, 0);
ASN1_ADD_BYTECOMP(comp, (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_2), buffer, i, 0);
ASN1_FIXUP(compstk, compsp, buffer, i);
ASN1_ADD_BYTECOMP(comp, COMP_TYPE_INTERPRETATION, buffer, i, 2); /* reject - to get feedback from QSIG switch */
ASN1_ADD_SIMPLE(comp, COMP_TYPE_INVOKE, buffer, i);
ASN1_PUSH(compstk, compsp, comp);
ASN1_ADD_BYTECOMP(comp, ASN1_INTEGER, buffer, i, get_invokeid(pri));
res = asn1_string_encode(ASN1_INTEGER, &buffer[i], sizeof(buffer)-i, sizeof(op_tag), op_tag, sizeof(op_tag));
if (res < 0)
return -1;
i += res;
ASN1_ADD_SIMPLE(comp, (ASN1_SEQUENCE | ASN1_CONSTRUCTOR), buffer, i);
ASN1_PUSH(compstk, compsp, comp);
buffer[i++] = (0x0a);
buffer[i++] = (0x01);
buffer[i++] = (0x00);
buffer[i++] = (0x81);
buffer[i++] = (0x00);
buffer[i++] = (0x0a);
buffer[i++] = (0x01);
buffer[i++] = (0x01);
ASN1_ADD_WORDCOMP(comp, ASN1_INTEGER, buffer, i, call_reference);
ASN1_FIXUP(compstk, compsp, buffer, i);
ASN1_FIXUP(compstk, compsp, buffer, i);
res = pri_call_apdu_queue(c1, Q931_FACILITY, buffer, i, NULL, NULL);
if (res) {
pri_message(pri, "Could not queue ADPU in facility message\n");
return -1;
}
/* Remember that if we queue a facility IE for a facility message we
* have to explicitly send the facility message ourselves */
res = q931_facility(c1->pri, c1);
if (res) {
pri_message(pri, "Could not schedule facility message for call %d\n", c1->cr);
return -1;
}
/* Channel 2 */
i = 0;
res = 0;
compsp = 0;
buffer2[i++] = (ASN1_CONTEXT_SPECIFIC | Q932_PROTOCOL_EXTENSIONS);
/* Interpretation component */
ASN1_ADD_SIMPLE(comp, COMP_TYPE_NFE, buffer2, i);
ASN1_PUSH(compstk, compsp, comp);
ASN1_ADD_BYTECOMP(comp, (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_0), buffer2, i, 0);
ASN1_ADD_BYTECOMP(comp, (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_2), buffer2, i, 0);
ASN1_FIXUP(compstk, compsp, buffer2, i);
ASN1_ADD_BYTECOMP(comp, COMP_TYPE_INTERPRETATION, buffer2, i, 2); /* reject */
ASN1_ADD_SIMPLE(comp, COMP_TYPE_INVOKE, buffer2, i);
ASN1_PUSH(compstk, compsp, comp);
ASN1_ADD_BYTECOMP(comp, ASN1_INTEGER, buffer2, i, get_invokeid(pri));
res = asn1_string_encode(ASN1_INTEGER, &buffer2[i], sizeof(buffer2)-i, sizeof(op_tag), op_tag, sizeof(op_tag));
if (res < 0)
return -1;
i += res;
ASN1_ADD_SIMPLE(comp, (ASN1_SEQUENCE | ASN1_CONSTRUCTOR), buffer2, i);
ASN1_PUSH(compstk, compsp, comp);
buffer2[i++] = (0x0a);
buffer2[i++] = (0x01);
buffer2[i++] = (0x01);
buffer2[i++] = (0x81);
buffer2[i++] = (0x00);
buffer2[i++] = (0x0a);
buffer2[i++] = (0x01);
buffer2[i++] = (0x01);
ASN1_ADD_WORDCOMP(comp, ASN1_INTEGER, buffer2, i, call_reference);
ASN1_FIXUP(compstk, compsp, buffer2, i);
ASN1_FIXUP(compstk, compsp, buffer2, i);
res = pri_call_apdu_queue(c2, Q931_FACILITY, buffer2, i, NULL, NULL);
if (res) {
pri_message(pri, "Could not queue ADPU in facility message\n");
return -1;
}
/* Remember that if we queue a facility IE for a facility message we
* have to explicitly send the facility message ourselves */
res = q931_facility(c2->pri, c2);
if (res) {
pri_message(pri, "Could not schedule facility message for call %d\n", c1->cr);
return -1;
}
return 0;
}
/* End AFN-PR */
/* AOC */
static int aoc_aoce_charging_request_decode(struct pri *pri, q931_call *call, unsigned char *data, int len)
{
@ -1340,7 +1543,433 @@ static int aoc_aoce_charging_unit_encode(struct pri *pri, q931_call *c, long cha
}
/* End AOC */
int rose_reject_decode(struct pri *pri, q931_call *call, unsigned char *data, int len)
/* ===== Call Transfer Supplementary Service (ECMA-178) ===== */
static int rose_party_number_decode(struct pri *pri, q931_call *call, unsigned char *data, int len, struct addressingdataelements_presentednumberunscreened *value)
{
int i = 0;
int size = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = data;
do {
GET_COMPONENT(comp, i, vdata, len);
switch(comp->type) {
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_0): /* [0] IMPLICIT NumberDigits -- default: unknownPartyNumber */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PartyNumber: UnknownPartyNumber len=%d\n", len);
size = rose_number_digits_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_UNKNOWN;
value->ton = PRI_TON_UNKNOWN;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_1): /* [1] IMPLICIT PublicPartyNumber */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PartyNumber: PublicPartyNumber len=%d\n", len);
size = rose_public_party_number_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_E163_E164;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_3): /* [3] IMPLICIT NumberDigits -- not used: dataPartyNumber */
pri_message(pri, "!! PartyNumber: dataPartyNumber is reserved!\n");
size = rose_number_digits_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_X121 /* ??? */;
value->ton = PRI_TON_UNKNOWN /* ??? */;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_4): /* [4] IMPLICIT NumberDigits -- not used: telexPartyNumber */
pri_message(pri, "!! PartyNumber: telexPartyNumber is reserved!\n");
size = rose_number_digits_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_F69 /* ??? */;
value->ton = PRI_TON_UNKNOWN /* ??? */;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_5): /* [5] IMPLICIT PrivatePartyNumber */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PartyNumber: PrivatePartyNumber len=%d\n", len);
size = rose_private_party_number_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_PRIVATE;
break;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_8): /* [8] IMPLICIT NumberDigits -- not used: nationalStandatdPartyNumber */
pri_message(pri, "!! PartyNumber: nationalStandardPartyNumber is reserved!\n");
size = rose_number_digits_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
value->npi = PRI_NPI_NATIONAL;
value->ton = PRI_TON_NATIONAL;
break;
default:
pri_message(pri, "Invalid PartyNumber component 0x%X\n", comp->type);
return -1;
}
ASN1_FIXUP_LEN(comp, size);
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PartyNumber: '%s' size=%d len=%d\n", value->partyaddress, size, len);
return size;
}
while (0);
return -1;
}
static int rose_number_screened_decode(struct pri *pri, q931_call *call, unsigned char *data, int len, struct addressingdataelements_presentednumberscreened *value)
{
int i = 0;
int size = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = data;
int scrind = -1;
do {
/* Party Number */
GET_COMPONENT(comp, i, vdata, len);
size = rose_party_number_decode(pri, call, (u_int8_t *)comp, comp->len + 2, (struct addressingdataelements_presentednumberunscreened*) value);
if (size < 0)
return -1;
comp->len = size;
NEXT_COMPONENT(comp, i);
/* Screening Indicator */
GET_COMPONENT(comp, i, vdata, len);
CHECK_COMPONENT(comp, ASN1_ENUMERATED, "Don't know what to do with NumberScreened ROSE component type 0x%x\n");
ASN1_GET_INTEGER(comp, scrind);
// Todo: scrind = screeningindicator_for_q931(pri, scrind);
NEXT_COMPONENT(comp, i);
value->scrind = scrind;
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " NumberScreened: '%s' ScreeningIndicator=%d i=%d len=%d\n", value->partyaddress, scrind, i, len);
return i-2; // We do not have a sequence header here.
}
while (0);
return -1;
}
static int rose_presented_number_screened_decode(struct pri *pri, q931_call *call, unsigned char *data, int len, struct addressingdataelements_presentednumberscreened *value)
{
int i = 0;
int size = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = data;
/* Fill in default values */
value->ton = PRI_TON_UNKNOWN;
value->npi = PRI_NPI_UNKNOWN;
value->pres = -1; /* Data is not available */
do {
GET_COMPONENT(comp, i, vdata, len);
switch(comp->type) {
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_0): /* [0] IMPLICIT presentationAllowedNumber */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PresentedNumberScreened: presentationAllowedNumber comp->len=%d\n", comp->len);
value->pres = PRES_ALLOWED_USER_NUMBER_PASSED_SCREEN;
size = rose_number_screened_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
ASN1_FIXUP_LEN(comp, size);
return size + 2;
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_1): /* [1] IMPLICIT presentationRestricted */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PresentedNumberScreened: presentationRestricted comp->len=%d\n", comp->len);
if (comp->len != 0) { /* must be NULL */
pri_error(pri, "!! Invalid PresentationRestricted component received (len != 0)\n");
return -1;
}
value->pres = PRES_PROHIB_USER_NUMBER_PASSED_SCREEN;
return 2;
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_2): /* [2] IMPLICIT numberNotAvailableDueToInterworking */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PresentedNumberScreened: NumberNotAvailableDueToInterworking comp->len=%d\n", comp->len);
if (comp->len != 0) { /* must be NULL */
pri_error(pri, "!! Invalid NumberNotAvailableDueToInterworking component received (len != 0)\n");
return -1;
}
value->pres = PRES_NUMBER_NOT_AVAILABLE;
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PresentedNumberScreened: numberNotAvailableDueToInterworking Type=0x%X i=%d len=%d size=%d\n", comp->type, i, len);
return 2;
case (ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTOR | ASN1_TAG_3): /* [3] IMPLICIT presentationRestrictedNumber */
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " PresentedNumberScreened: presentationRestrictedNumber comp->len=%d\n", comp->len);
value->pres = PRES_PROHIB_USER_NUMBER_PASSED_SCREEN;
size = rose_number_screened_decode(pri, call, comp->data, comp->len, value);
if (size < 0)
return -1;
ASN1_FIXUP_LEN(comp, size);
return size + 2;
default:
pri_message(pri, "Invalid PresentedNumberScreened component 0x%X\n", comp->type);
}
return -1;
}
while (0);
return -1;
}
static int rose_call_transfer_complete_decode(struct pri *pri, q931_call *call, struct rose_component *sequence, int len)
{
int i = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = sequence->data;
int res = 0;
int end_designation = 0;
struct addressingdataelements_presentednumberscreened redirection_number;
char redirection_name[50] = "";
int call_status = 0;
redirection_number.partyaddress[0] = 0;
redirection_number.partysubaddress[0] = 0;
call->callername[0] = 0;
call->callernum[0] = 0;
/* Data checks */
if (sequence->type != (ASN1_CONSTRUCTOR | ASN1_SEQUENCE)) { /* Constructed Sequence */
pri_message(pri, "Invalid callTransferComplete argument. (Not a sequence)\n");
return -1;
}
if (sequence->len == ASN1_LEN_INDEF) {
len -= 4; /* For the 2 extra characters at the end
* and two characters of header */
} else
len -= 2;
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: len=%d\n", len);
do {
/* End Designation */
GET_COMPONENT(comp, i, vdata, len);
CHECK_COMPONENT(comp, ASN1_ENUMERATED, "Invalid endDesignation type 0x%X of ROSE callTransferComplete component received\n");
ASN1_GET_INTEGER(comp, end_designation);
NEXT_COMPONENT(comp, i);
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received endDesignation=%d\n", end_designation);
/* Redirection Number */
GET_COMPONENT(comp, i, vdata, len);
res = rose_presented_number_screened_decode(pri, call, (u_int8_t *)comp, comp->len + 2, &redirection_number);
if (res < 0)
return -1;
comp->len = res;
if (res > 2) {
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received redirectionNumber=%s\n", redirection_number.partyaddress);
strncpy(call->callernum, redirection_number.partyaddress, 20);
call->callernum[20] = 0;
}
NEXT_COMPONENT(comp, i);
#if 0 /* This one is optional. How do we check if it is there? */
/* Basic Call Info Elements */
GET_COMPONENT(comp, i, vdata, len);
NEXT_COMPONENT(comp, i);
#endif
/* Redirection Name */
GET_COMPONENT(comp, i, vdata, len);
res = asn1_name_decode((u_int8_t *)comp, comp->len + 2, redirection_name, sizeof(redirection_name));
if (res < 0)
return -1;
memcpy(call->callername, comp->data, comp->len);
call->callername[comp->len] = 0;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
NEXT_COMPONENT(comp, i);
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received redirectionName '%s'\n", redirection_name);
/* Call Status */
GET_COMPONENT(comp, i, vdata, len);
CHECK_COMPONENT(comp, ASN1_ENUMERATED, "Invalid callStatus type 0x%X of ROSE callTransferComplete component received\n");
ASN1_GET_INTEGER(comp, call_status);
NEXT_COMPONENT(comp, i);
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received callStatus=%d\n", call_status);
/* Argument Extension */
#if 0 /* Not supported */
GET_COMPONENT(comp, i, vdata, len);
switch (comp->type) {
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_9): /* [9] IMPLICIT Extension */
res = rose_extension_decode(pri, call, comp->data, comp->len, &redirection_number);
if (res < 0)
return -1;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_10): /* [10] IMPLICIT SEQUENCE OF Extension */
res = rose_sequence_of_extension_decode(pri, call, comp->data, comp->len, &redirection_number);
if (res < 0)
return -1;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
default:
pri_message(pri, " CT-Complete: !! Unknown argumentExtension received 0x%X\n", comp->type);
return -1;
}
#else
GET_COMPONENT(comp, i, vdata, len);
ASN1_FIXUP_LEN(comp, res);
NEXT_COMPONENT(comp, i);
#endif
if(i < len)
pri_message(pri, " CT-Complete: !! not all information is handled !! i=%d / len=%d\n", i, len);
return 0;
}
while (0);
return -1;
}
static int rose_call_transfer_update_decode(struct pri *pri, q931_call *call, struct rose_component *sequence, int len)
{
int i = 0;
struct rose_component *comp = NULL;
unsigned char *vdata = sequence->data;
int res = 0;
struct addressingdataelements_presentednumberscreened redirection_number;
redirection_number.partyaddress[0] = 0;
redirection_number.partysubaddress[0] = 0;
char redirection_name[50] = "";
call->callername[0] = 0;
call->callernum[0] = 0;
/* Data checks */
if (sequence->type != (ASN1_CONSTRUCTOR | ASN1_SEQUENCE)) { /* Constructed Sequence */
pri_message(pri, "Invalid callTransferComplete argument. (Not a sequence)\n");
return -1;
}
if (sequence->len == ASN1_LEN_INDEF) {
len -= 4; /* For the 2 extra characters at the end
* and two characters of header */
} else
len -= 2;
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: len=%d\n", len);
do {
/* Redirection Number */
GET_COMPONENT(comp, i, vdata, len);
res = rose_presented_number_screened_decode(pri, call, (u_int8_t *)comp, comp->len + 2, &redirection_number);
if (res < 0)
return -1;
comp->len = res;
if (res > 2) {
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received redirectionNumber=%s\n", redirection_number.partyaddress);
strncpy(call->callernum, redirection_number.partyaddress, 20);
call->callernum[20] = 0;
}
NEXT_COMPONENT(comp, i);
/* Redirection Name */
GET_COMPONENT(comp, i, vdata, len);
res = asn1_name_decode((u_int8_t *)comp, comp->len + 2, redirection_name, sizeof(redirection_name));
if (res < 0)
return -1;
memcpy(call->callername, comp->data, comp->len);
call->callername[comp->len] = 0;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
NEXT_COMPONENT(comp, i);
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " CT-Complete: Received redirectionName '%s'\n", redirection_name);
#if 0 /* This one is optional. How do we check if it is there? */
/* Basic Call Info Elements */
GET_COMPONENT(comp, i, vdata, len);
NEXT_COMPONENT(comp, i);
#endif
/* Argument Extension */
#if 0 /* Not supported */
GET_COMPONENT(comp, i, vdata, len);
switch (comp->type) {
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_9): /* [9] IMPLICIT Extension */
res = rose_extension_decode(pri, call, comp->data, comp->len, &redirection_number);
if (res < 0)
return -1;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
case (ASN1_CONTEXT_SPECIFIC | ASN1_TAG_10): /* [10] IMPLICIT SEQUENCE OF Extension */
res = rose_sequence_of_extension_decode(pri, call, comp->data, comp->len, &redirection_number);
if (res < 0)
return -1;
ASN1_FIXUP_LEN(comp, res);
comp->len = res;
default:
pri_message(pri, " CT-Complete: !! Unknown argumentExtension received 0x%X\n", comp->type);
return -1;
}
#else
GET_COMPONENT(comp, i, vdata, len);
ASN1_FIXUP_LEN(comp, res);
NEXT_COMPONENT(comp, i);
#endif
if(i < len)
pri_message(pri, " CT-Complete: !! not all information is handled !! i=%d / len=%d\n", i, len);
return 0;
}
while (0);
return -1;
}
/* ===== End Call Transfer Supplementary Service (ECMA-178) ===== */
int rose_reject_decode(struct pri *pri, q931_call *call, q931_ie *ie, unsigned char *data, int len)
{
int i = 0;
int problemtag = -1;
@ -1408,7 +2037,7 @@ int rose_reject_decode(struct pri *pri, q931_call *call, unsigned char *data, in
return -1;
}
int rose_return_error_decode(struct pri *pri, q931_call *call, unsigned char *data, int len)
int rose_return_error_decode(struct pri *pri, q931_call *call, q931_ie *ie, unsigned char *data, int len)
{
int i = 0;
int errorvalue = -1;
@ -1472,7 +2101,7 @@ int rose_return_error_decode(struct pri *pri, q931_call *call, unsigned char *da
return -1;
}
int rose_return_result_decode(struct pri *pri, q931_call *call, unsigned char *data, int len)
int rose_return_result_decode(struct pri *pri, q931_call *call, q931_ie *ie, unsigned char *data, int len)
{
int i = 0;
int operationidvalue = -1;
@ -1534,9 +2163,10 @@ int rose_return_result_decode(struct pri *pri, q931_call *call, unsigned char *d
return -1;
}
int rose_invoke_decode(struct pri *pri, q931_call *call, unsigned char *data, int len)
int rose_invoke_decode(struct pri *pri, q931_call *call, q931_ie *ie, unsigned char *data, int len)
{
int i = 0;
int res = 0;
int operation_tag;
unsigned char *vdata = data;
struct rose_component *comp = NULL, *invokeid = NULL, *operationid = NULL;
@ -1587,6 +2217,50 @@ int rose_invoke_decode(struct pri *pri, q931_call *call, unsigned char *data, in
return -1;
}
break;
case ROSE_CALL_TRANSFER_IDENTIFY:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: CallTransferIdentify - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_CALL_TRANSFER_ABANDON:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: CallTransferAbandon - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_CALL_TRANSFER_INITIATE:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: CallTransferInitiate - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_CALL_TRANSFER_SETUP:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: CallTransferSetup - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_CALL_TRANSFER_ACTIVE:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: CallTransferActive - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_CALL_TRANSFER_COMPLETE:
if (pri->debug & PRI_DEBUG_APDU)
{
pri_message(pri, "ROSE %i: Handle CallTransferComplete\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
}
return rose_call_transfer_complete_decode(pri, call, comp, len-i);
case ROSE_CALL_TRANSFER_UPDATE:
if (pri->debug & PRI_DEBUG_APDU)
{
pri_message(pri, "ROSE %i: Handle CallTransferUpdate\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
}
return rose_call_transfer_update_decode(pri, call, comp, len-i);
case ROSE_SUBADDRESS_TRANSFER:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, "ROSE %i: SubaddressTransfer - not handled!\n", operation_tag);
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
return -1;
case ROSE_DIVERTING_LEG_INFORMATION2:
if (pri->debug & PRI_DEBUG_APDU)
pri_message(pri, " Handle DivertingLegInformation2\n");
@ -1641,6 +2315,15 @@ int rose_invoke_decode(struct pri *pri, q931_call *call, unsigned char *data, in
dump_apdu (pri, (u_int8_t *)comp, comp->len + 2);
}
return -1;
case SS_ANFPR_PATHREPLACEMENT:
/* Clear Queue */
res = pri_call_apdu_queue_cleanup(call->bridged_call);
if (res) {
pri_message(pri, "Could not Clear queue ADPU\n");
return -1;
}
anfpr_pathreplacement_respond(pri, call, ie);
break;
default:
if (pri->debug & PRI_DEBUG_APDU) {
pri_message(pri, "!! Unable to handle ROSE operation %d", operation_tag);
@ -1661,20 +2344,17 @@ int pri_call_apdu_queue(q931_call *call, int messagetype, void *apdu, int apdu_l
if (!call || !messagetype || !apdu || (apdu_len < 1) || (apdu_len > 255))
return -1;
new_event = malloc(sizeof(struct apdu_event));
if (new_event) {
memset(new_event, 0, sizeof(struct apdu_event));
new_event->message = messagetype;
new_event->callback = function;
new_event->data = data;
memcpy(new_event->apdu, apdu, apdu_len);
new_event->apdu_len = apdu_len;
} else {
if (!(new_event = calloc(1, sizeof(*new_event)))) {
pri_error(call->pri, "!! Malloc failed!\n");
return -1;
}
new_event->message = messagetype;
new_event->callback = function;
new_event->data = data;
memcpy(new_event->apdu, apdu, apdu_len);
new_event->apdu_len = apdu_len;
if (call->apdus) {
cur = call->apdus;
while (cur->next) {

45
pri_facility.h
View File

@ -9,6 +9,7 @@
#ifndef _PRI_FACILITY_H
#define _PRI_FACILITY_H
#include "pri_q931.h"
/* Protocol Profile field */
#define Q932_PROTOCOL_ROSE 0x11 /* X.219 & X.229 */
@ -32,6 +33,15 @@
#define COMP_TYPE_NFE 0xAA
/* Operation ID values */
/* Q.952.7 (ECMA-178) ROSE operations (Transfer) */
#define ROSE_CALL_TRANSFER_IDENTIFY 7
#define ROSE_CALL_TRANSFER_ABANDON 8
#define ROSE_CALL_TRANSFER_INITIATE 9
#define ROSE_CALL_TRANSFER_SETUP 10
#define ROSE_CALL_TRANSFER_ACTIVE 11
#define ROSE_CALL_TRANSFER_COMPLETE 12
#define ROSE_CALL_TRANSFER_UPDATE 13
#define ROSE_SUBADDRESS_TRANSFER 14
/* Q.952 ROSE operations (Diverting) */
#define ROSE_DIVERTING_LEG_INFORMATION1 18
#define ROSE_DIVERTING_LEG_INFORMATION2 0x15
@ -48,6 +58,7 @@
#define ROSE_AOC_IDENTIFICATION_OF_CHARGE 37
/* Q.SIG operations */
#define SS_CNID_CALLINGNAME 0
#define SS_ANFPR_PATHREPLACEMENT 4
#define SS_DIVERTING_LEG_INFORMATION2 21
#define SS_MWI_ACTIVATE 80
#define SS_MWI_DEACTIVATE 81
@ -146,7 +157,8 @@ struct rose_component {
u_int8_t data[0];
};
#define GET_COMPONENT(component, idx, ptr, length) \
#if 1
#define GET_COMPONENT(component, idx, ptr, length) \
if ((idx)+2 > (length)) \
break; \
(component) = (struct rose_component*)&((ptr)[idx]); \
@ -154,16 +166,24 @@ struct rose_component {
if ((component)->len != ASN1_LEN_INDEF) \
pri_message(pri, "Length (%d) of 0x%X component is too long\n", (component)->len, (component)->type); \
}
/*
pri_message("XX Got component %d (0x%02X), length %d\n", (component)->type, (component)->type, (component)->len); \
#else /* Debugging */
#define GET_COMPONENT(component, idx, ptr, length) \
if ((idx)+2 > (length)) \
break; \
(component) = (struct rose_component*)&((ptr)[idx]); \
if ((idx)+(component)->len+2 > (length)) { \
if ((component)->len != 128) \
pri_message(pri, "Length (%d) of 0x%X component is too long\n", (component)->len, (component)->type); \
} \
pri_message(pri, "XX %s:%d Got component %d (0x%02X), length %d\n", __FUNCTION__, __LINE__, (component)->type, (component)->type, (component)->len); \
if ((component)->len > 0) { \
int zzz; \
pri_message("XX Data:"); \
pri_message(pri, "XX Data:"); \
for (zzz = 0; zzz < (component)->len; ++zzz) \
pri_message(" %02X", (component)->data[zzz]); \
pri_message("\n"); \
pri_message(pri, " %02X", (component)->data[zzz]); \
pri_message(pri, "\n"); \
}
*/
#endif
#define NEXT_COMPONENT(component, idx) \
(idx) += (component)->len + 2
@ -236,16 +256,16 @@ struct rose_component {
} while (0)
/* Decoder for the invoke ROSE component */
int rose_invoke_decode(struct pri *pri, struct q931_call *call, unsigned char *data, int len);
int rose_invoke_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len);
/* Decoder for the return result ROSE component */
int rose_return_result_decode(struct pri *pri, struct q931_call *call, unsigned char *data, int len);
int rose_return_result_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len);
/* Decoder for the return error ROSE component */
int rose_return_error_decode(struct pri *pri, struct q931_call *call, unsigned char *data, int len);
int rose_return_error_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len);
/* Decoder for the reject ROSE component */
int rose_reject_decode(struct pri *pri, struct q931_call *call, unsigned char *data, int len);
int rose_reject_decode(struct pri *pri, struct q931_call *call, q931_ie *ie, unsigned char *data, int len);
int asn1_copy_string(char * buf, int buflen, struct rose_component *comp);
@ -266,6 +286,9 @@ int eect_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2);
int rlt_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2);
/* starts a QSIG Path Replacement */
extern int anfpr_initiate_transfer(struct pri *pri, q931_call *c1, q931_call *c2);
/* Use this function to queue a facility-IE born APDU onto a call
* call is the call to use, messagetype is any one of the Q931 messages,
* apdu is the apdu data, apdu_len is the length of the apdu data */

12
pri_internal.h
View File

@ -61,6 +61,7 @@ struct pri {
int localtype; /* Local network type (unknown, network, cpe) */
int remotetype; /* Remote network type (unknown, network, cpe) */
int bri;
int sapi;
int tei;
int protodisc;
@ -83,7 +84,11 @@ struct pri {
/* Various timers */
int sabme_timer; /* SABME retransmit */
int sabme_count; /* SABME retransmit counter for BRI */
int t203_timer; /* Max idle time */
int t202_timer;
int n202_counter;
int ri;
int t200_timer; /* T-200 retransmission timer */
/* All ISDN Timer values */
int timers[MAX_TIMERS];
@ -247,6 +252,9 @@ struct q931_call {
int transferable;
unsigned int rlt_call_id; /* RLT call id */
/* Bridged call info */
q931_call *bridged_call; /* Pointer to other leg of bridged call */
};
extern int pri_schedule_event(struct pri *pri, int ms, void (*function)(void *data), void *data);
@ -263,4 +271,8 @@ extern void pri_error(struct pri *pri, char *fmt, ...);
void libpri_copy_string(char *dst, const char *src, size_t size);
struct pri *__pri_new_tei(int fd, int node, int switchtype, struct pri *master, pri_io_cb rd, pri_io_cb wr, void *userdata, int tei, int bri);
void __pri_free_tei(struct pri *p);
#endif

19
pri_q921.h
View File

@ -46,10 +46,11 @@
#define Q921_FRAMETYPE_I 0x0
#define Q921_FRAMETYPE_S 0x1
#define Q921_TEI_GROUP 127
#define Q921_TEI_GROUP 127
#define Q921_TEI_PRI 0
#define Q921_TEI_GR303_EOC_PATH 0
#define Q921_TEI_GR303_EOC_OPS 4
#define Q921_TEI_GR303_TMC_SWITCHING 0
#define Q921_TEI_GR303_TMC_SWITCHING 0
#define Q921_TEI_GR303_TMC_CALLPROC 0
#define Q921_SAPI_CALL_CTRL 0
@ -63,6 +64,14 @@
#define Q921_SAPI_LAYER2_MANAGEMENT 63
#define Q921_TEI_IDENTITY_REQUEST 1
#define Q921_TEI_IDENTITY_ASSIGNED 2
#define Q921_TEI_IDENTITY_DENIED 3
#define Q921_TEI_IDENTITY_CHECK_REQUEST 4
#define Q921_TEI_IDENTITY_CHECK_RESPONSE 5
#define Q921_TEI_IDENTITY_REMOVE 6
#define Q921_TEI_IDENTITY_VERIFY 7
typedef struct q921_header {
#if __BYTE_ORDER == __BIG_ENDIAN
u_int8_t sapi:6; /* Service Access Point Indentifier (always 0 for PRI) (0) */
@ -154,6 +163,12 @@ typedef struct q921_frame {
#define Q921_INC(j) (j) = (((j) + 1) % 128)
typedef enum q921_state {
Q921_DOWN = 0,
Q921_TEI_UNASSIGNED,
Q921_TEI_AWAITING_ESTABLISH,
Q921_TEI_AWAITING_ASSIGN,
Q921_TEI_ASSIGNED,
Q921_NEGOTIATION,
Q921_LINK_CONNECTION_RELEASED, /* Also known as TEI_ASSIGNED */
Q921_LINK_CONNECTION_ESTABLISHED,
Q921_AWAITING_ESTABLISH,

49
pri_timers.h
View File

@ -26,34 +26,37 @@
#define _PRI_TIMERS_H
/* -1 means we dont currently support the timer/counter */
#define PRI_TIMERS_DEFAULT { 3, /* N200 */ \
-1, /* N201 */ \
-1, /* N202 */ \
7, /* K */ \
#define PRI_TIMERS_DEFAULT { \
3, /* N200 */ \
-1, /* N201 */ \
3, /* N202 */ \
7, /* K */ \
1000, /* T200 */ \
-1, /* T201 */ \
-1, /* T202 */ \
-1, /* T201 */ \
10000, /* T202 */ \
10000, /* T203 */ \
-1, /* T300 */ \
-1, /* T301 */ \
-1, /* T302 */ \
-1, /* T303 */ \
-1, /* T304 */ \
-1, /* T300 */ \
-1, /* T301 */ \
-1, /* T302 */ \
-1, /* T303 */ \
-1, /* T304 */ \
30000, /* T305 */ \
-1, /* T306 */ \
-1, /* T307 */ \
-1, /* T306 */ \
-1, /* T307 */ \
4000, /* T308 */ \
-1, /* T309 */ \
-1, /* T310 */ \
-1, /* T309 */ \
-1, /* T310 */ \
4000, /* T313 */ \
-1, /* T314 */ \
-1, /* T316 */ \
-1, /* T317 */ \
-1, /* T318 */ \
-1, /* T319 */ \
-1, /* T320 */ \
-1, /* T321 */ \
-1 /* T322 */ \
-1, /* T314 */ \
-1, /* T316 */ \
-1, /* T317 */ \
-1, /* T318 */ \
-1, /* T319 */ \
-1, /* T320 */ \
-1, /* T321 */ \
-1, /* T322 */ \
2500, /* TM20 - Q.921 Appendix IV */ \
3, /* NM20 - Q.921 Appendix IV */ \
}
/* XXX Only our default timers are setup now XXX */

5
prisched.c
View File

@ -35,6 +35,9 @@ int pri_schedule_event(struct pri *pri, int ms, void (*function)(void *data), vo
{
int x;
struct timeval tv;
/* Scheduling runs on master channels only */
while (pri->master)
pri = pri->master;
for (x=1;x<MAX_SCHED;x++)
if (!pri->pri_sched[x].callback)
break;
@ -113,6 +116,8 @@ pri_event *pri_schedule_run(struct pri *pri)
void pri_schedule_del(struct pri *pri,int id)
{
while (pri->master)
pri = pri->master;
if ((id >= MAX_SCHED) || (id < 0))
pri_error(pri, "Asked to delete sched id %d???\n", id);
pri->pri_sched[id].callback = NULL;

2
pritest.c
View File

@ -294,7 +294,7 @@ static int run_pri(int dfd, int swtype, int node)
fd_set rfds, efds;
int res,x;
pri = pri_new(dfd, node, swtype);
pri = pri_new_bri(dfd, 1, node, swtype);
if (!pri) {
fprintf(stderr, "Unable to create PRI\n");
return -1;

355
q921.c
View File

@ -51,6 +51,8 @@
} while(0)
static void reschedule_t203(struct pri *pri);
static void q921_restart(struct pri *pri, int now);
static void q921_tei_release_and_reacquire(struct pri *master);
static void q921_discard_retransmissions(struct pri *pri)
{
@ -68,8 +70,10 @@ static void q921_discard_retransmissions(struct pri *pri)
static int q921_transmit(struct pri *pri, q921_h *h, int len)
{
int res;
if (pri->master)
return q921_transmit(pri->master, h, len);
pri = pri->master;
#ifdef RANDOM_DROPS
if (!(random() % 3)) {
pri_message(pri, " === Dropping Packet ===\n");
@ -92,6 +96,49 @@ static int q921_transmit(struct pri *pri, q921_h *h, int len)
return 0;
}
static void q921_send_tei(struct pri *pri, int message, int ri, int ai, int iscommand)
{
q921_u *f;
if (!(f = calloc(1, sizeof(*f) + 5)))
return;
Q921_INIT(pri, *f);
f->h.c_r = (pri->localtype == PRI_NETWORK) ? iscommand : !iscommand;
f->ft = Q921_FRAMETYPE_U;
f->data[0] = 0x0f; /* Management entity */
f->data[1] = (ri >> 8) & 0xff;
f->data[2] = ri & 0xff;
f->data[3] = message;
f->data[4] = (ai << 1) | 1;
if (pri->debug & PRI_DEBUG_Q921_STATE)
pri_message(pri, "Sending TEI management message %d, TEI=%d\n", message, ai);
q921_transmit(pri, (q921_h *)f, 8);
free(f);
}
static void q921_tei_request(void *vpri)
{
struct pri *pri = (struct pri *)vpri;
if (pri->subchannel) {
pri_error(pri, "Cannot request TEI while its already assigned\n");
return;
}
pri->n202_counter++;
#if 0
if (pri->n202_counter > pri->timers[PRI_TIMER_N202]) {
pri_error(pri, "Unable to assign TEI from network\n");
return;
}
#endif
pri->ri = random() % 65535;
q921_send_tei(pri, Q921_TEI_IDENTITY_REQUEST, pri->ri, Q921_TEI_GROUP, 1);
if (pri->t202_timer)
pri_schedule_del(pri, pri->t202_timer);
pri->t202_timer = pri_schedule_event(pri, pri->timers[PRI_TIMER_T202], q921_tei_request, pri);
}
static void q921_send_ua(struct pri *pri, int pfbit)
{
q921_h h;
@ -143,6 +190,15 @@ static void q921_send_sabme(void *vpri, int now)
pri_error(pri, "Don't know how to U/A on a type %d node\n", pri->localtype);
return;
}
if (pri->bri && (pri->state == Q921_AWAITING_ESTABLISH)) {
if (pri->sabme_count >= pri->timers[PRI_TIMER_N200]) {
pri_schedule_del(pri, pri->sabme_timer);
pri->sabme_timer = 0;
q921_tei_release_and_reacquire(pri->master);
} else {
pri->sabme_count++;
}
}
if (pri->debug & (PRI_DEBUG_Q921_STATE | PRI_DEBUG_Q921_DUMP))
pri_message(pri, "Sending Set Asynchronous Balanced Mode Extended\n");
q921_transmit(pri, &h, 3);
@ -348,15 +404,15 @@ static void t200_expire(void *vpri)
q921_transmit(pri, (q921_h *)&pri->txqueue->h, pri->txqueue->len);
}
if (pri->debug & PRI_DEBUG_Q921_DUMP)
pri_message(pri, "-- Rescheduling retransmission (%d)\n", pri->retrans);
pri_message(pri, "-- Rescheduling retransmission (%d)\n", pri->retrans);
pri->t200_timer = pri_schedule_event(pri, pri->timers[PRI_TIMER_T200], t200_expire, pri);
} else {
if (pri->debug & PRI_DEBUG_Q921_STATE)
pri_message(pri, "-- Timeout occured, restarting PRI\n");
pri_message(pri, "-- Timeout occured, restarting PRI\n");
if (pri->debug & PRI_DEBUG_Q921_STATE && pri->q921_state != Q921_LINK_CONNECTION_RELEASED)
pri_message(pri, DBGHEAD "q921_state now is Q921_LINK_CONNECTION_RELEASED\n",DBGINFO);
pri_message(pri, DBGHEAD "q921_state now is Q921_LINK_CONNECTION_RELEASED\n",DBGINFO);
pri->q921_state = Q921_LINK_CONNECTION_RELEASED;
pri->t200_timer = 0;
pri->t200_timer = 0;
q921_dchannel_down(pri);
q921_start(pri, 1);
pri->schedev = 1;
@ -376,9 +432,14 @@ static void t200_expire(void *vpri)
pri_message(pri, DBGHEAD "q921_state now is Q921_LINK_CONNECTION_RELEASED\n", DBGINFO);
pri->q921_state = Q921_LINK_CONNECTION_RELEASED;
pri->t200_timer = 0;
q921_dchannel_down(pri);
q921_start(pri, 1);
pri->schedev = 1;
if (pri->bri && pri->master) {
q921_tei_release_and_reacquire(pri->master);
return;
} else {
q921_dchannel_down(pri);
q921_start(pri, 1);
pri->schedev = 1;
}
}
} else {
pri_error(pri, "T200 counter expired, nothing to send...\n");
@ -389,10 +450,10 @@ static void t200_expire(void *vpri)
int q921_transmit_iframe(struct pri *pri, void *buf, int len, int cr)
{
q921_frame *f, *prev=NULL;
for (f=pri->txqueue; f; f = f->next) prev = f;
f = malloc(sizeof(q921_frame) + len + 2);
f = calloc(1, sizeof(q921_frame) + len + 2);
if (f) {
memset(f,0,sizeof(q921_frame) + len + 2);
Q921_INIT(pri, f->h);
switch(pri->localtype) {
case PRI_NETWORK:
@ -654,8 +715,10 @@ static pri_event *q921_dchannel_up(struct pri *pri)
q921_reset(pri);
/* Stop any SABME retransmissions */
pri_schedule_del(pri, pri->sabme_timer);
pri->sabme_timer = 0;
if (pri->sabme_timer) {
pri_schedule_del(pri, pri->sabme_timer);
pri->sabme_timer = 0;
}
/* Reset any rejects */
pri->sentrej = 0;
@ -698,10 +761,14 @@ void q921_reset(struct pri *pri)
pri->v_na = 0;
pri->window = pri->timers[PRI_TIMER_K];
pri->windowlen = 0;
pri_schedule_del(pri, pri->sabme_timer);
pri_schedule_del(pri, pri->t203_timer);
pri_schedule_del(pri, pri->t200_timer);
if (pri->sabme_timer)
pri_schedule_del(pri, pri->sabme_timer);
if (pri->t203_timer)
pri_schedule_del(pri, pri->t203_timer);
if (pri->t200_timer)
pri_schedule_del(pri, pri->t200_timer);
pri->sabme_timer = 0;
pri->sabme_count = 0;
pri->t203_timer = 0;
pri->t200_timer = 0;
pri->busy = 0;
@ -716,6 +783,101 @@ void q921_reset(struct pri *pri)
q921_discard_retransmissions(pri);
}
static void q921_tei_release_and_reacquire(struct pri *master)
{
/* Make sure the master is passed into this function */
q921_dchannel_down(master->subchannel);
__pri_free_tei(master->subchannel);
master->subchannel = NULL;
master->ev.gen.e = PRI_EVENT_DCHAN_DOWN;
master->schedev = 1;
q921_start(master, master->localtype == PRI_CPE);
}
static pri_event *q921_receive_MDL(struct pri *pri, q921_u *h, int len)
{
int ri;
struct pri *sub;
int tei;
if (pri->debug & PRI_DEBUG_Q921_STATE)
pri_message(pri, "Received MDL message\n");
if (h->data[0] != 0x0f) {
pri_error(pri, "Received MDL with unsupported management entity %02x\n", h->data[0]);
return NULL;
}
if (!(h->data[4] & 0x01)) {
pri_error(pri, "Received MDL with multibyte TEI identifier\n");
return NULL;
}
ri = (h->data[1] << 8) | h->data[2];
tei = (h->data[4] >> 1);
switch(h->data[3]) {
case Q921_TEI_IDENTITY_REQUEST:
if (tei != 127) {
pri_error(pri, "Received TEI identity request with invalid TEI %d\n", tei);
q921_send_tei(pri, Q921_TEI_IDENTITY_DENIED, ri, tei, 1);
}
/* Go to master */
for (sub = pri; sub->master; sub = sub->master);
tei = 64;
while(sub->subchannel) {
if(sub->subchannel->tei == tei)
++tei;
}
sub->subchannel = __pri_new_tei(-1, pri->localtype, pri->switchtype, pri, NULL, NULL, NULL, tei, 1);
if (!sub->subchannel) {
pri_error(pri, "Unable to allocate D-channel for new TEI %d\n", tei);
return NULL;
}
q921_send_tei(pri, Q921_TEI_IDENTITY_ASSIGNED, ri, tei, 1);
break;
case Q921_TEI_IDENTITY_ASSIGNED:
if (ri != pri->ri) {
pri_message(pri, "TEI assignment received for invalid Ri %02x (our is %02x)\n", ri, pri->ri);
return NULL;
}
if (pri->t202_timer) {
pri_schedule_del(pri, pri->t202_timer);
pri->t202_timer = 0;
}
if (pri->subchannel && (pri->subchannel->tei == tei)) {
pri_error(pri, "TEI already assigned (new is %d, current is %d)\n", tei, pri->subchannel->tei);
q921_tei_release_and_reacquire(pri);
return NULL;
}
pri_message(pri, "TEI assiged to %d\n", tei);
pri->subchannel = __pri_new_tei(-1, pri->localtype, pri->switchtype, pri, NULL, NULL, NULL, tei, 1);
if (!pri->subchannel) {
pri_error(pri, "Unable to allocate D-channel for new TEI %d\n", tei);
return NULL;
}
pri->q921_state = Q921_TEI_ASSIGNED;
break;
case Q921_TEI_IDENTITY_CHECK_REQUEST:
/* We're assuming one TEI per PRI in TE PTMP mode */
/* If no subchannel (TEI) ignore */
if (!pri->subchannel)
return NULL;
/* If it's addressed to the group TEI or to our TEI specifically, we respond */
if ((tei == Q921_TEI_GROUP) || (tei == pri->subchannel->tei))
q921_send_tei(pri, Q921_TEI_IDENTITY_CHECK_RESPONSE, random() % 65535, pri->subchannel->tei, 1);
break;
case Q921_TEI_IDENTITY_REMOVE:
/* XXX: Assuming multiframe mode has been disconnected already */
if (!pri->subchannel)
return NULL;
if ((tei == Q921_TEI_GROUP) || (tei == pri->subchannel->tei)) {
q921_tei_release_and_reacquire(pri);
}
}
return NULL; /* Do we need to return something??? */
}
static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
{
q921_frame *f;
@ -766,59 +928,59 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
pri->solicitfbit = 0;
}
break;
case 1:
/* Receiver not ready */
if (pri->debug & PRI_DEBUG_Q921_DUMP)
pri_message(pri, "-- Got receiver not ready\n");
if(h->s.p_f) {
/* Send RR if poll bit set */
q921_rr(pri, h->s.p_f, 0);
}
pri->busy = 1;
break;
case 2:
/* Just retransmit */
if (pri->debug & PRI_DEBUG_Q921_DUMP)
pri_message(pri, "-- Got reject requesting packet %d... Retransmitting.\n", h->s.n_r);
if (h->s.p_f) {
/* If it has the poll bit set, send an appropriate supervisory response */
q921_rr(pri, 1, 0);
}
sendnow = 0;
/* Resend the proper I-frame */
for(f=pri->txqueue;f;f=f->next) {
if ((sendnow || (f->h.n_s == h->s.n_r)) && f->transmitted) {
/* Matches the request, or follows in our window, and has
already been transmitted. */
sendnow = 1;
pri_error(pri, "!! Got reject for frame %d, retransmitting frame %d now, updating n_r!\n", h->s.n_r, f->h.n_s);
f->h.n_r = pri->v_r;
q921_transmit(pri, (q921_h *)(&f->h), f->len);
}
}
if (!sendnow) {
if (pri->txqueue) {
/* This should never happen */
if (!h->s.p_f || h->s.n_r) {
pri_error(pri, "!! Got reject for frame %d, but we only have others!\n", h->s.n_r);
}
} else {
/* Hrm, we have nothing to send, but have been REJ'd. Reset v_a, v_s, etc */
pri_error(pri, "!! Got reject for frame %d, but we have nothing -- resetting!\n", h->s.n_r);
pri->v_a = h->s.n_r;
pri->v_s = h->s.n_r;
/* Reset t200 timer if it was somehow going */
if (pri->t200_timer) {
pri_schedule_del(pri, pri->t200_timer);
pri->t200_timer = 0;
}
/* Reset and restart t203 timer */
if (pri->t203_timer)
pri_schedule_del(pri, pri->t203_timer);
pri->t203_timer = pri_schedule_event(pri, pri->timers[PRI_TIMER_T203], t203_expire, pri);
}
}
break;
case 1:
/* Receiver not ready */
if (pri->debug & PRI_DEBUG_Q921_STATE)
pri_message(pri, "-- Got receiver not ready\n");
if(h->s.p_f) {
/* Send RR if poll bit set */
q921_rr(pri, h->s.p_f, 0);
}
pri->busy = 1;
break;
case 2:
/* Just retransmit */
if (pri->debug & PRI_DEBUG_Q921_STATE)
pri_message(pri, "-- Got reject requesting packet %d... Retransmitting.\n", h->s.n_r);
if (h->s.p_f) {
/* If it has the poll bit set, send an appropriate supervisory response */
q921_rr(pri, 1, 0);
}
sendnow = 0;
/* Resend the proper I-frame */
for(f=pri->txqueue;f;f=f->next) {
if ((sendnow || (f->h.n_s == h->s.n_r)) && f->transmitted) {
/* Matches the request, or follows in our window, and has
already been transmitted. */
sendnow = 1;
pri_error(pri, "!! Got reject for frame %d, retransmitting frame %d now, updating n_r!\n", h->s.n_r, f->h.n_s);
f->h.n_r = pri->v_r;
q921_transmit(pri, (q921_h *)(&f->h), f->len);
}
}
if (!sendnow) {
if (pri->txqueue) {
/* This should never happen */
if (!h->s.p_f || h->s.n_r) {
pri_error(pri, "!! Got reject for frame %d, but we only have others!\n", h->s.n_r);
}
} else {
/* Hrm, we have nothing to send, but have been REJ'd. Reset v_a, v_s, etc */
pri_error(pri, "!! Got reject for frame %d, but we have nothing -- resetting!\n", h->s.n_r);
pri->v_a = h->s.n_r;
pri->v_s = h->s.n_r;
/* Reset t200 timer if it was somehow going */
if (pri->t200_timer) {
pri_schedule_del(pri, pri->t200_timer);
pri->t200_timer = 0;
}
/* Reset and restart t203 timer */
if (pri->t203_timer)
pri_schedule_del(pri, pri->t203_timer);
pri->t203_timer = pri_schedule_event(pri, pri->timers[PRI_TIMER_T203], t203_expire, pri);
}
}
break;
default:
pri_error(pri, "!! XXX Unknown Supervisory frame ss=0x%02x,pf=%02xnr=%02x vs=%02x, va=%02x XXX\n", h->s.ss, h->s.p_f, h->s.n_r,
pri->v_s, pri->v_a);
@ -839,7 +1001,7 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
pri_message(pri, "-- Got DM Mode from peer.\n");
/* Disconnected mode, try again after T200 */
ev = q921_dchannel_down(pri);
q921_start(pri, 0);
q921_restart(pri, 0);
return ev;
} else {
@ -847,12 +1009,23 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
pri_message(pri, "-- Ignoring unsolicited DM with p/f set to 0\n");
#if 0
/* Requesting that we start */
q921_start(pri, 0);
q921_restart(pri, 0);
#endif
}
break;
} else if (!h->u.m2) {
pri_message(pri, "XXX Unnumbered Information not implemented XXX\n");
if ((pri->sapi == Q921_SAPI_LAYER2_MANAGEMENT) && (pri->tei == Q921_TEI_GROUP))
q921_receive_MDL(pri, (q921_u *)h, len);
else {
int res;
res = q931_receive(pri, (q931_h *) h->u.data, len - 3);
if (res == -1) {
return NULL;
}
if (res & Q931_RES_HAVEEVENT)
return &pri->ev;
}
}
break;
case 2:
@ -861,7 +1034,7 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
/* Acknowledge */
q921_send_ua(pri, h->u.p_f);
ev = q921_dchannel_down(pri);
q921_start(pri, 0);
q921_restart(pri, 0);
return ev;
case 3:
if (h->u.m2 == 3) {
@ -892,8 +1065,17 @@ static pri_event *__q921_receive_qualified(struct pri *pri, q921_h *h, int len)
pri_message(pri, "-- Got UA from %s peer Link up.\n", h->h.c_r ? "cpe" : "network");
}
return q921_dchannel_up(pri);
} else
} else if ((pri->q921_state >= Q921_TEI_ASSIGNED) && pri->bri) {
/* Possible duplicate TEI assignment */
if (pri->master)
q921_tei_release_and_reacquire(pri->master);
else
pri_error(pri, "Huh!? no master found\n");
} else {
/* Since we're not in the AWAITING_ESTABLISH STATE, it's unsolicited */
pri_error(pri, "!! Got a UA, but i'm in state %d\n", pri->q921_state);
}
} else
pri_error(pri, "!! Weird frame received (m3=3, m2 = %d)\n", h->u.m2);
break;
@ -925,21 +1107,24 @@ static pri_event *__q921_receive(struct pri *pri, q921_h *h, int len)
if (h->h.ea1 || !(h->h.ea2))
return NULL;
#if 0 /* Will be rejected by subchannel analyzis */
/* Check for broadcasts - not yet handled */
if (h->h.tei == Q921_TEI_GROUP)
return NULL;
#endif
/* Check for SAPIs we don't yet handle */
if ((h->h.sapi != pri->sapi) || (h->h.tei != pri->tei)) {
#ifdef PROCESS_SUBCHANNELS
if (!((h->h.sapi == pri->sapi) && ((h->h.tei == pri->tei) || (h->h.tei == Q921_TEI_GROUP)))) {
/* Check for SAPIs we don't yet handle */
/* If it's not us, try any subchannels we have */
if (pri->subchannel)
return q921_receive(pri->subchannel, h, len + 2);
else
#endif
else {
return NULL;
}
}
if (pri->debug & PRI_DEBUG_Q921_DUMP)
pri_message(pri, "Handling message for SAPI/TEI=%d/%d\n", h->h.sapi, h->h.tei);
ev = __q921_receive_qualified(pri, h, len);
reschedule_t203(pri);
return ev;
@ -955,7 +1140,7 @@ pri_event *q921_receive(struct pri *pri, q921_h *h, int len)
return e;
}
void q921_start(struct pri *pri, int now)
static void q921_restart(struct pri *pri, int now)
{
if (pri->q921_state != Q921_LINK_CONNECTION_RELEASED) {
pri_error(pri, "!! q921_start: Not in 'Link Connection Released' state\n");
@ -966,3 +1151,15 @@ void q921_start(struct pri *pri, int now)
/* Do the SABME XXX Maybe we should implement T_WAIT? XXX */
q921_send_sabme(pri, now);
}
void q921_start(struct pri *pri, int isCPE)
{
q921_reset(pri);
if ((pri->sapi == Q921_SAPI_LAYER2_MANAGEMENT) && (pri->tei == Q921_TEI_GROUP)) {
pri->q921_state = Q921_DOWN;
if (isCPE)
q921_tei_request(pri);
} else {
q921_send_sabme(pri, isCPE);
}
}

177
q931.c
View File

@ -255,18 +255,10 @@ static char *code2str(int code, struct msgtype *codes, int max)
static void call_init(struct q931_call *c)
{
memset(c, 0, sizeof(*c));
c->alive = 0;
c->sendhangupack = 0;
c->forceinvert = -1;
c->cr = -1;
c->slotmap = -1;
c->channelno = -1;
c->ds1no = 0;
c->ds1explicit = 0;
c->chanflags = 0;
c->next = NULL;
c->sentchannel = 0;
c->newcall = 1;
c->ourcallstate = Q931_CALL_STATE_NULL;
c->peercallstate = Q931_CALL_STATE_NULL;
@ -294,15 +286,22 @@ static FUNC_RECV(receive_channel_id)
}
#endif
#ifndef NOAUTO_CHANNEL_SELECTION_SUPPORT
switch (ie->data[0] & 3) {
case 0:
if (pri->bri) {
if (!(ie->data[0] & 3))
call->justsignalling = 1;
break;
case 1:
break;
default:
pri_error(pri, "!! Unexpected Channel selection %d\n", ie->data[0] & 3);
return -1;
else
call->channelno = ie->data[0] & 3;
} else {
switch (ie->data[0] & 3) {
case 0:
call->justsignalling = 1;
break;
case 1:
break;
default:
pri_error(pri, "!! Unexpected Channel selection %d\n", ie->data[0] & 3);
return -1;
}
}
#endif
if (ie->data[0] & 0x08)
@ -366,7 +365,11 @@ static FUNC_SEND(transmit_channel_id)
/* Start with standard stuff */
if (pri->switchtype == PRI_SWITCH_GR303_TMC)
ie->data[pos] = 0x69;
else
else if (pri->bri) {
ie->data[pos] = 0x80;
if (call->channelno > -1)
ie->data[pos] |= (call->channelno & 0x3);
} else
ie->data[pos] = 0xa1;
/* Add exclusive flag if necessary */
if (call->chanflags & FLAG_EXCLUSIVE)
@ -383,6 +386,10 @@ static FUNC_SEND(transmit_channel_id)
ie->data[pos++] = 0x80 | call->ds1no;
} else
pos++;
if (pri->bri)
return pos + 2;
if ((call->channelno > -1) || (call->slotmap != -1)) {
/* We'll have the octet 8.2 and 8.3's present */
ie->data[pos++] = 0x83;
@ -781,7 +788,7 @@ static FUNC_SEND(transmit_bearer_capability)
return 0;
tc = call->transcapability;
if (pri->subchannel) {
if (pri->subchannel && !pri->bri) {
/* Bearer capability is *hard coded* in GR-303 */
ie->data[0] = 0x88;
ie->data[1] = 0x90;
@ -1326,7 +1333,7 @@ static FUNC_RECV(receive_facility)
state = my_state; \
if (pri->debug) \
pri_message(pri, "Handle Q.932 %s component\n", name); \
(handler)(pri, call, comp->data, comp->len); \
(handler)(pri, call, ie, comp->data, comp->len); \
break;
#define Q932_HANDLE_NULL(component, my_state, name, handle) \
case component: \
@ -1421,7 +1428,7 @@ static FUNC_SEND(transmit_progress_indicator)
{
int code, mask;
/* Can't send progress indicator on GR-303 -- EVER! */
if (pri->subchannel)
if (pri->subchannel && !pri->bri)
return 0;
if (call->progressmask > 0) {
if (call->progressmask & (mask = PRI_PROG_CALL_NOT_E2E_ISDN))
@ -2313,10 +2320,18 @@ static inline void q931_dumpie(struct pri *pri, int codeset, q931_ie *ie, char p
pri_error(pri, "!! %c Unknown IE %d (cs%d, len = %d)\n", prefix, Q931_IE_IE(base_ie), Q931_IE_CODESET(base_ie), ielen(ie));
}
static q931_call *q931_getcall(struct pri *pri, int cr)
static q931_call *q931_getcall(struct pri *pri, int cr, int outboundnew)
{
q931_call *cur, *prev;
cur = *pri->callpool;
struct pri *master;
/* Find the master - He has the call pool */
if (pri->master)
master = pri->master;
else
master = pri;
cur = *master->callpool;
prev = NULL;
while(cur) {
if (cur->cr == cr)
@ -2327,41 +2342,59 @@ static q931_call *q931_getcall(struct pri *pri, int cr)
/* No call exists, make a new one */
if (pri->debug & PRI_DEBUG_Q931_STATE)
pri_message(pri, "-- Making new call for cr %d\n", cr);
cur = malloc(sizeof(struct q931_call));
if (cur) {
call_init(cur);
/* Call reference */
cur->cr = cr;
if (!(cur = calloc(1, sizeof(*cur))))
return NULL;
call_init(cur);
/* Call reference */
cur->cr = cr;
/* PRI is set to whoever called us */
if (pri->bri && (pri->localtype == PRI_CPE) && pri->subchannel && outboundnew)
cur->pri = pri->subchannel;
else
cur->pri = pri;
/* Append to end of list */
if (prev)
prev->next = cur;
else
*pri->callpool = cur;
}
/* Append to end of list */
if (prev)
prev->next = cur;
else
*master->callpool = cur;
return cur;
}
q931_call *q931_new_call(struct pri *pri)
{
q931_call *cur;
do {
cur = *pri->callpool;
pri->cref++;
if (pri->cref > 32767)
pri->cref = 1;
if (!pri->bri) {
if (pri->cref > 32767)
pri->cref = 1;
} else {
if (pri->cref > 127)
pri->cref = 1;
}
while(cur) {
if (cur->cr == (0x8000 | pri->cref))
break;
cur = cur->next;
}
} while(cur);
return q931_getcall(pri, pri->cref | 0x8000);
return q931_getcall(pri, pri->cref | 0x8000, 1);
}
static void q931_destroy(struct pri *pri, int cr, q931_call *c)
{
q931_call *cur, *prev;
/* For destroying, make sure we are using the master span, since it maintains the call pool */
for (;pri->master; pri = pri->master);
prev = NULL;
cur = *pri->callpool;
while(cur) {
@ -2526,26 +2559,40 @@ static void init_header(struct pri *pri, q931_call *call, unsigned char *buf, q9
{
/* Returns header and message header and modifies length in place */
q931_h *h = (q931_h *)buf;
q931_mh * mh = (q931_mh *)(h->contents + 2);
q931_mh * mh;
h->pd = pri->protodisc;
h->x0 = 0; /* Reserved 0 */
h->crlen = 2; /* Two bytes of Call Reference. Invert the top bit to make it from our sense */
if (call->cr || call->forceinvert) {
h->crv[0] = ((call->cr ^ 0x8000) & 0xff00) >> 8;
h->crv[1] = (call->cr & 0xff);
if (!pri->bri) {
h->crlen = 2; /* Two bytes of Call Reference. Invert the top bit to make it from our sense */
if (call->cr || call->forceinvert) {
h->crv[0] = ((call->cr ^ 0x8000) & 0xff00) >> 8;
h->crv[1] = (call->cr & 0xff);
} else {
/* Unless of course this has no call reference */
h->crv[0] = 0;
h->crv[1] = 0;
}
if (pri->subchannel && !pri->bri) {
/* On GR-303, top bit is always 0 */
h->crv[0] &= 0x7f;
}
} else {
/* Unless of course this has no call reference */
h->crv[0] = 0;
h->crv[1] = 0;
}
if (pri->subchannel) {
/* On GR-303, top bit is always 0 */
h->crv[0] &= 0x7f;
h->crlen = 1;
if (call->cr || call->forceinvert) {
h->crv[0] = (((call->cr ^ 0x8000) & 0x8000) >> 8) | (call->cr & 0x7f);
} else {
/* Unless of course this has no call reference */
h->crv[0] = 0;
}
}
mh = (q931_mh *)(h->contents + h->crlen);
mh->f = 0;
*hb = h;
*mhb = mh;
*len -= 5;
if (h->crlen == 2)
*len -= 5;
else
*len -= 4;
}
@ -2594,7 +2641,7 @@ static int send_message(struct pri *pri, q931_call *c, int msgtype, int ies[])
}
/* Invert the logic */
len = sizeof(buf) - len;
q931_xmit(pri, h, len, 1);
q931_xmit(c->pri, h, len, 1);
c->acked = 1;
return 0;
}
@ -2777,6 +2824,7 @@ int q931_setup_ack(struct pri *pri, q931_call *c, int channel, int nonisdn)
return send_message(pri, c, Q931_SETUP_ACKNOWLEDGE, connect_ies);
}
/* T313 expiry, first time */
static void pri_connect_timeout(void *data)
{
struct q931_call *c = data;
@ -2787,6 +2835,7 @@ static void pri_connect_timeout(void *data)
}
/* T308 expiry, first time */
static void pri_release_timeout(void *data)
{
struct q931_call *c = data;
@ -2795,9 +2844,12 @@ static void pri_release_timeout(void *data)
pri_message(pri, "Timed out looking for release complete\n");
c->t308_timedout++;
c->alive = 1;
q931_release(pri, c, PRI_CAUSE_NORMAL_CLEARING);
/* The call to q931_release will re-schedule T308 */
q931_release(pri, c, c->cause);
}
/* T308 expiry, second time */
static void pri_release_finaltimeout(void *data)
{
struct q931_call *c = data;
@ -2819,6 +2871,7 @@ static void pri_release_finaltimeout(void *data)
q931_hangup(pri, c, c->cause);
}
/* T305 expiry, first time */
static void pri_disconnect_timeout(void *data)
{
struct q931_call *c = data;
@ -2855,7 +2908,7 @@ int q931_connect(struct pri *pri, q931_call *c, int channel, int nonisdn)
if (c->retranstimer)
pri_schedule_del(pri, c->retranstimer);
c->retranstimer = 0;
if ((c->ourcallstate == Q931_CALL_STATE_CONNECT_REQUEST) && (!pri->subchannel))
if ((c->ourcallstate == Q931_CALL_STATE_CONNECT_REQUEST) && (pri->bri || (!pri->subchannel)))
c->retranstimer = pri_schedule_event(pri, pri->timers[PRI_TIMER_T313], pri_connect_timeout, c);
return send_message(pri, c, Q931_CONNECT, connect_ies);
}
@ -2891,7 +2944,7 @@ static int restart_ies[] = { Q931_CHANNEL_IDENT, Q931_RESTART_INDICATOR, -1 };
int q931_restart(struct pri *pri, int channel)
{
struct q931_call *c;
c = q931_getcall(pri, 0 | 0x8000);
c = q931_getcall(pri, 0 | 0x8000, 0);
if (!c)
return -1;
if (!channel)
@ -2951,7 +3004,7 @@ int q931_setup(struct pri *pri, q931_call *c, struct pri_sr *req)
c->ds1no = (req->channel & 0xff00) >> 8;
c->ds1explicit = (req->channel & 0x10000) >> 16;
req->channel &= 0xff;
if ((pri->localtype == PRI_CPE) && pri->subchannel) {
if ((pri->localtype == PRI_CPE) && pri->subchannel && !pri->bri) {
req->channel = 0;
req->exclusive = 0;
}
@ -3021,7 +3074,7 @@ int q931_setup(struct pri *pri, q931_call *c, struct pri_sr *req)
pri_call_add_standard_apdus(pri, c);
if (pri->subchannel)
if (pri->subchannel && !pri->bri)
res = send_message(pri, c, Q931_SETUP, gr303_setup_ies);
else if (c->justsignalling)
res = send_message(pri, c, Q931_SETUP, cis_setup_ies);
@ -3065,7 +3118,7 @@ static int gr303_connect_acknowledge_ies[] = { Q931_CHANNEL_IDENT, -1 };
static int q931_connect_acknowledge(struct pri *pri, q931_call *c)
{
if (pri->subchannel) {
if (pri->subchannel && !pri->bri) {
if (pri->localtype == PRI_CPE)
return send_message(pri, c, Q931_CONNECT_ACKNOWLEDGE, gr303_connect_acknowledge_ies);
} else
@ -3199,7 +3252,7 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
pri_error(pri, "Warning: unknown/inappropriate protocol discriminator received (%02x/%d)\n", h->pd, h->pd);
return 0;
}
c = q931_getcall(pri, q931_cr(h));
c = q931_getcall(pri, q931_cr(h), 0);
if (!c) {
pri_error(pri, "Unable to locate call %d\n", q931_cr(h));
return -1;
@ -3548,6 +3601,8 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
libpri_copy_string(pri->ev.facname.callingname, c->callername, sizeof(pri->ev.facname.callingname));
libpri_copy_string(pri->ev.facname.callingnum, c->callernum, sizeof(pri->ev.facname.callingnum));
pri->ev.facname.channel = c->channelno | (c->ds1no << 8) | (c->ds1explicit << 16);
pri->ev.facname.callingpres = c->callerpres;
pri->ev.facname.callingplan = c->callerplan;
pri->ev.facname.cref = c->cr;
pri->ev.facname.call = c;
#if 0
@ -3626,7 +3681,15 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
(c->cause != PRI_CAUSE_INTERWORKING))
pri_error(pri, "Received unsolicited status: %s\n", pri_cause2str(c->cause));
/* Workaround for S-12 ver 7.3 - it responds for invalid/non-implemented IEs at SETUP with null call state */
#if 0
if (!c->sugcallstate && (c->ourcallstate != Q931_CALL_STATE_CALL_INITIATED)) {
#else
/* Remove "workaround" since it breaks certification testing. If we receive a STATUS message of call state
* NULL and we are not in the call state NULL we must clear resources and return to the call state to pass
* testing. See section 5.8.11 of Q.931 */
if (!c->sugcallstate) {
#endif
pri->ev.hangup.channel = c->channelno | (c->ds1no << 8) | (c->ds1explicit << 16);
pri->ev.hangup.cause = c->cause;
pri->ev.hangup.cref = c->cr;

10
testprilib.c
View File

@ -64,7 +64,7 @@ static struct pri *first, *cur;
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
#define TEST_CALLS 32
#define TEST_CALLS 1
static void event1(struct pri *pri, pri_event *e)
{
@ -232,9 +232,9 @@ static void *dchan(void *data)
}
if (e) {
if (first == pri) {
event1(pri, e);
event1(e->gen.pri, e);
} else {
event2(pri, e);
event2(e->gen.pri, e);
}
}
pthread_mutex_unlock(&lock);
@ -254,7 +254,7 @@ int main(int argc, char *argv[])
perror("socketpair");
exit(1);
}
if (!(pri = pri_new(pair[0], PRI_NETWORK, PRI_DEF_SWITCHTYPE))) {
if (!(pri = pri_new_bri(pair[0], 0, PRI_NETWORK, PRI_DEF_SWITCHTYPE))) {
perror("pri(0)");
exit(1);
}
@ -265,7 +265,7 @@ int main(int argc, char *argv[])
perror("thread(0)");
exit(1);
}
if (!(pri = pri_new(pair[1], PRI_CPE, PRI_DEF_SWITCHTYPE))) {
if (!(pri = pri_new_bri(pair[1], 0, PRI_CPE, PRI_DEF_SWITCHTYPE))) {
perror("pri(1)");
exit(1);
}