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Diffstat (limited to 'gsm_ms.cpp')
-rw-r--r--gsm_ms.cpp219
1 files changed, 83 insertions, 136 deletions
diff --git a/gsm_ms.cpp b/gsm_ms.cpp
index e091434..7e5b70e 100644
--- a/gsm_ms.cpp
+++ b/gsm_ms.cpp
@@ -10,51 +10,35 @@
\*****************************************************************************/
#include "main.h"
+#include "mncc.h"
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-extern "C" {
-#include <getopt.h>
-#include <arpa/inet.h>
-#include <libgen.h>
-
-#include <osmocom/core/select.h>
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/gsmtap_util.h>
-
-#include <osmocom/bb/common/osmocom_data.h>
-#include <osmocom/bb/common/logging.h>
-#include <osmocom/bb/common/l1l2_interface.h>
-#include <osmocom/bb/mobile/app_mobile.h>
-}
-
-//char *config_dir = NULL;
-short vty_port = 4247;
-
-struct llist_head ms_list;
-struct log_target *stderr_target;
-void *l23_ctx = NULL;
-struct gsmtap_inst *gsmtap_inst;
+struct lcr_gsm *gsm_ms_first = NULL;
static int dtmf_timeout(struct lcr_timer *timer, void *instance, int index);
+#define DTMF_ST_IDLE 0 /* no DTMF active */
+#define DTMF_ST_START 1 /* DTMF started, waiting for resp. */
+#define DTMF_ST_MARK 2 /* wait tone duration */
+#define DTMF_ST_STOP 3 /* DTMF stopped, waiting for resp. */
+#define DTMF_ST_SPACE 4 /* wait space between tones */
+
/*
* constructor
*/
Pgsm_ms::Pgsm_ms(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode) : Pgsm(type, mISDNport, portname, settings, channel, exclusive, mode)
{
- struct osmocom_ms *ms = NULL;
+ struct lcr_gsm *gsm_ms = gsm_ms_first;
char *ms_name = mISDNport->ifport->gsm_ms_name;
- p_m_g_instance = NULL;
+ p_m_g_lcr_gsm = NULL;
- llist_for_each_entry(ms, &ms_list, entity) {
- if (!strcmp(ms->name, ms_name)) {
- p_m_g_instance = ms;
+ while (gsm_ms) {
+ if (gsm_ms->type == LCR_GSM_TYPE_MS && !strcmp(gsm_ms->name, ms_name)) {
+ p_m_g_lcr_gsm = gsm_ms;
break;
}
+ gsm_ms = gsm_ms->gsm_ms_next;
}
p_m_g_dtmf_state = DTMF_ST_IDLE;
@@ -105,7 +89,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
add_trace("cause", "value", "%d", mncc->cause.value);
add_trace("reason", NULL, "callref already in use");
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
@@ -126,7 +110,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
add_trace("cause", "value", "%d", mncc->cause.value);
add_trace("reason", NULL, "port is blocked");
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
@@ -318,7 +302,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
add_trace("cause", "value", "%d", mncc->cause.value);
add_trace("reason", NULL, "no channel");
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_RELEASE);
trigger_work(&p_m_g_delete);
return;
@@ -342,7 +326,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
mode->lchan_mode = 0x01; /* GSM V1 */
add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
end_trace();
- send_and_free_mncc(p_m_g_instance, mode->msg_type, mode);
+ send_and_free_mncc(p_m_g_lcr_gsm, mode->msg_type, mode);
/* send call proceeding */
gsm_trace_header(p_m_mISDNport, this, MNCC_CALL_CONF_REQ, DIRECTION_OUT);
@@ -352,7 +336,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
proceeding->fields |= MNCC_F_CCCAP;
proceeding->cccap.dtmf = 1;
end_trace();
- send_and_free_mncc(p_m_g_instance, proceeding->msg_type, proceeding);
+ send_and_free_mncc(p_m_g_lcr_gsm, proceeding->msg_type, proceeding);
new_state(PORT_STATE_IN_PROCEEDING);
@@ -360,7 +344,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
gsm_trace_header(p_m_mISDNport, this, MNCC_FRAME_RECV, DIRECTION_OUT);
end_trace();
frame = create_mncc(MNCC_FRAME_RECV, p_m_g_callref);
- send_and_free_mncc(p_m_g_instance, frame->msg_type, frame);
+ send_and_free_mncc(p_m_g_lcr_gsm, frame->msg_type, frame);
p_m_g_tch_connected = 1;
}
@@ -381,7 +365,7 @@ void Pgsm_ms::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_
/*
* MS sends message to port
*/
-static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
+int message_ms(struct lcr_gsm *gsm_ms, int msg_type, void *arg)
{
struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
unsigned int callref = mncc->callref;
@@ -392,30 +376,6 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
/* Special messages */
switch (msg_type) {
- case MS_NEW:
- PDEBUG(DEBUG_GSM, "MS %s comes available\n", ms->name);
- return 0;
- case MS_DELETE:
- PDEBUG(DEBUG_GSM, "MS %s is removed\n", ms->name);
- port = port_first;
- while(port) {
- if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_MS) {
- pgsm_ms = (class Pgsm_ms *)port;
- if (pgsm_ms->p_m_g_instance == ms) {
- struct lcr_msg *message;
-
- pgsm_ms->p_m_g_instance = 0;
- message = message_create(pgsm_ms->p_serial, ACTIVE_EPOINT(pgsm_ms->p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 27;
- message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
- message_put(message);
- pgsm_ms->new_state(PORT_STATE_RELEASE);
- trigger_work(&pgsm_ms->p_m_g_delete);
- }
- }
- port = port->next;
- }
- return 0;
}
/* find callref */
@@ -443,7 +403,7 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
/* find gsm ms port */
mISDNport = mISDNport_first;
while(mISDNport) {
- if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->gsm_ms_name, ms->name))
+ if (mISDNport->gsm_ms && !strcmp(mISDNport->ifport->gsm_ms_name, gsm_ms->name))
break;
mISDNport = mISDNport->next;
}
@@ -460,7 +420,7 @@ static int message_ms(struct osmocom_ms *ms, int msg_type, void *arg)
add_trace("cause", "location", "%d", rej->cause.location);
add_trace("cause", "value", "%d", rej->cause.value);
end_trace();
- send_and_free_mncc(ms, rej->msg_type, rej);
+ send_and_free_mncc(gsm_ms, rej->msg_type, rej);
return 0;
}
/* creating port object, transparent until setup with hdlc */
@@ -533,12 +493,12 @@ void Pgsm_ms::message_setup(unsigned int epoint_id, int message_id, union parame
memcpy(&p_redirinfo, &param->setup.redirinfo, sizeof(p_redirinfo));
/* no instance */
- if (!p_m_g_instance) {
+ if (!p_m_g_lcr_gsm || p_m_g_lcr_gsm->mncc_lfd.fd < 0) {
gsm_trace_header(p_m_mISDNport, this, MNCC_SETUP_REQ, DIRECTION_OUT);
add_trace("failure", NULL, "MS %s instance is unavailable", p_m_mISDNport->ifport->gsm_ms_name);
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
- message->param.disconnectinfo.cause = 27;
+ message->param.disconnectinfo.cause = 41;
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
message_put(message);
new_state(PORT_STATE_RELEASE);
@@ -670,7 +630,7 @@ void Pgsm_ms::message_setup(unsigned int epoint_id, int message_id, union parame
}
end_trace();
- send_and_free_mncc(p_m_g_instance, mncc->msg_type, mncc);
+ send_and_free_mncc(p_m_g_lcr_gsm, mncc->msg_type, mncc);
new_state(PORT_STATE_OUT_SETUP);
@@ -700,7 +660,7 @@ void Pgsm_ms::dtmf_statemachine(struct gsm_mncc *mncc)
PDEBUG(DEBUG_GSM, "start DTMF (keypad %c)\n",
dtmf->keypad);
end_trace();
- send_and_free_mncc(p_m_g_instance, dtmf->msg_type, dtmf);
+ send_and_free_mncc(p_m_g_lcr_gsm, dtmf->msg_type, dtmf);
return;
case DTMF_ST_START:
if (mncc->msg_type != MNCC_START_DTMF_RSP) {
@@ -716,7 +676,7 @@ void Pgsm_ms::dtmf_statemachine(struct gsm_mncc *mncc)
dtmf = create_mncc(MNCC_STOP_DTMF_REQ, p_m_g_callref);
p_m_g_dtmf_state = DTMF_ST_STOP;
end_trace();
- send_and_free_mncc(p_m_g_instance, dtmf->msg_type, dtmf);
+ send_and_free_mncc(p_m_g_lcr_gsm, dtmf->msg_type, dtmf);
return;
case DTMF_ST_STOP:
schedule_timer(&p_m_g_dtmf_timer, 0, 120 * 1000);
@@ -820,87 +780,77 @@ int Pgsm_ms::message_epoint(unsigned int epoint_id, int message_id, union parame
int gsm_ms_exit(int rc)
{
- l23_app_exit();
+ /* destroy all instances */
+ while (gsm_ms_first)
+ gsm_ms_delete(gsm_ms_first->name);
- return(rc);
+ return rc;
}
int gsm_ms_init(void)
{
- const char *home;
- size_t len;
- const char osmocomcfg[] = ".osmocom/bb/mobile.cfg";
- char *config_file = NULL;
+ return 0;
+}
- INIT_LLIST_HEAD(&ms_list);
- log_init(&log_info, NULL);
- stderr_target = log_target_create_stderr();
- log_add_target(stderr_target);
- log_set_all_filter(stderr_target, 1);
+/* add a new GSM mobile instance */
+int gsm_ms_new(const char *name)
+{
+ struct lcr_gsm *gsm_ms = gsm_ms_first, **gsm_ms_p = &gsm_ms_first;
- l23_ctx = talloc_named_const(NULL, 1, "layer2 context");
+ while (gsm_ms) {
+ gsm_ms_p = &gsm_ms->gsm_ms_next;
+ gsm_ms = gsm_ms->gsm_ms_next;
+ }
- log_parse_category_mask(stderr_target, "DNB:DCS:DPLMN:DRR:DMM:DSIM:DCC:DMNCC:DPAG:DSUM");
- log_set_log_level(stderr_target, LOGL_INFO);
+ PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is created\n", name);
-#if 0
- if (gsmtap_ip) {
- rc = gsmtap_init(gsmtap_ip);
- if (rc < 0) {
- fprintf(stderr, "Failed during gsmtap_init()\n");
- exit(1);
- }
- }
-#endif
+ /* create gsm instance */
+ gsm_ms = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
- home = getenv("HOME");
- if (home != NULL) {
- len = strlen(home) + 1 + sizeof(osmocomcfg);
- config_file = (char *)talloc_size(l23_ctx, len);
- if (config_file != NULL)
- UNPRINT(config_file, len, "%s/%s", home, osmocomcfg);
- }
- /* save the config file directory name */
- config_dir = talloc_strdup(l23_ctx, config_file);
- config_dir = dirname(config_dir);
+ gsm_ms->type = LCR_GSM_TYPE_MS;
+ SCPY(gsm_ms->name, name);
+ gsm_ms->sun.sun_family = AF_UNIX;
+ SPRINT(gsm_ms->sun.sun_path, "/tmp/ms_mncc_%s", name);
- l23_app_init(message_ms, config_file, vty_port);
+ memset(&gsm_ms->socket_retry, 0, sizeof(gsm_ms->socket_retry));
+ add_timer(&gsm_ms->socket_retry, mncc_socket_retry_cb, gsm_ms, 0);
- return 0;
-}
+ /* do the initial connect */
+ mncc_socket_retry_cb(&gsm_ms->socket_retry, gsm_ms, 0);
-/* add a new GSM mobile instance */
-int gsm_ms_new(const char *name)
-{
- PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is up\n", name);
+ *gsm_ms_p = gsm_ms;
return 0;
}
int gsm_ms_delete(const char *name)
{
- struct osmocom_ms *ms;
- int found = 0;
- class Port *port;
- class Pgsm_ms *pgsm_ms = NULL;
+ struct lcr_gsm *gsm_ms = gsm_ms_first, **gsm_ms_p = &gsm_ms_first;
+// class Port *port;
+// class Pgsm_ms *pgsm_ms = NULL;
- PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is down\n", name);
+ PDEBUG(DEBUG_GSM, "GSM: interface for MS '%s' is deleted\n", name);
- llist_for_each_entry(ms, &ms_list, entity) {
- if (!strcmp(ms->name, name)) {
- found = 1;
+ while (gsm_ms) {
+ if (gsm_ms->type == LCR_GSM_TYPE_MS && !strcmp(gsm_ms->name, name))
break;
- }
+ gsm_ms_p = &gsm_ms->gsm_ms_next;
+ gsm_ms = gsm_ms->gsm_ms_next;
}
- if (!found)
+ if (!gsm_ms)
return 0;
+/* not needed, because:
+ * - shutdown of interface will destry port instances locally
+ * - closing of socket will make remote socket destroy calls locally
+ */
+#if 0
port = port_first;
while(port) {
if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_MS) {
pgsm_ms = (class Pgsm_ms *)port;
- if (pgsm_ms->p_m_g_instance == ms && pgsm_ms->p_m_g_callref) {
+ if (pgsm_ms->p_m_g_lcr_gsm == gsm_ms && pgsm_ms->p_m_g_callref) {
struct gsm_mncc *rej;
rej = create_mncc(MNCC_REL_REQ, pgsm_ms->p_m_g_callref);
@@ -913,28 +863,25 @@ int gsm_ms_delete(const char *name)
add_trace("cause", "location", "%d", rej->cause.location);
add_trace("cause", "value", "%d", rej->cause.value);
end_trace();
+ send_and_free_mncc(gsm_ms, rej->msg_type, rej);
+ pgsm_ms->new_state(PORT_STATE_RELEASE);
+ trigger_work(&pgsm_ms->p_m_g_delete);
}
}
}
+#endif
- return 0;
-}
-
-/*
- * handles bsc select function within LCR's main loop
- */
-int handle_gsm_ms(int *_quit)
-{
- int work = 0, quit = 0;
+ if (gsm_ms->mncc_lfd.fd > -1) {
+ close(gsm_ms->mncc_lfd.fd);
+ unregister_fd(&gsm_ms->mncc_lfd);
+ }
+ del_timer(&gsm_ms->socket_retry);
- if (l23_app_work(&quit))
- work = 1;
- if (quit && llist_empty(&ms_list))
- *_quit = 1;
-// debug_reset_context();
- if (osmo_select_main(1)) /* polling */
- work = 1;
+ /* remove instance from list */
+ *gsm_ms_p = gsm_ms->gsm_ms_next;
+ FREE(gsm_ms, sizeof(struct lcr_gsm));
- return work;
+ return 0;
}
+