atmodem: Implement the list_activated_contexts callback

The callback calls cgact and cgdcont to get information
regarding any activate context.
This commit is contained in:
Richard Röjfors 2019-08-12 23:31:30 +02:00 committed by Denis Kenzior
parent 9a1b490e78
commit e3d5ac1f16
1 changed files with 135 additions and 34 deletions

View File

@ -29,6 +29,7 @@
#include <stdio.h>
#include <errno.h>
#include <ell/ell.h>
#include <glib.h>
#include <ofono/log.h>
@ -41,6 +42,8 @@
#include "atmodem.h"
#include "vendor.h"
#define MAX_CONTEXTS 255
static const char *cgreg_prefix[] = { "+CGREG:", NULL };
static const char *cgdcont_prefix[] = { "+CGDCONT:", NULL };
static const char *cgact_prefix[] = { "+CGACT:", NULL };
@ -54,6 +57,47 @@ struct gprs_data {
int attached;
};
struct list_contexts_data
{
struct ofono_gprs *gprs;
void *cb;
void *data;
struct l_uintset *active_cids;
int ref_count;
};
static struct list_contexts_data * list_contexts_data_new(
struct ofono_gprs *gprs, void *cb, void *data)
{
struct list_contexts_data *ret;
ret = g_new0(struct list_contexts_data, 1);
ret->ref_count = 1;
ret->gprs = gprs;
ret->cb = cb;
ret->data = data;
return ret;
}
static struct list_contexts_data * list_contexts_data_ref(
struct list_contexts_data *ld)
{
ld->ref_count++;
return ld;
}
static void list_contexts_data_unref(gpointer user_data)
{
struct list_contexts_data *ld = user_data;
if (--ld->ref_count)
return;
l_uintset_free(ld->active_cids);
g_free(ld);
}
static void at_cgatt_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
@ -146,14 +190,43 @@ static void at_gprs_registration_status(struct ofono_gprs *gprs,
CALLBACK_WITH_FAILURE(cb, -1, data);
}
static void at_cgdcont_parse(struct ofono_gprs *gprs, GAtResult *result,
struct l_uintset *cids)
{
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
while (g_at_result_iter_next(&iter, "+CGDCONT:")) {
int read_cid;
const char *apn = NULL;
if (!g_at_result_iter_next_number(&iter, &read_cid))
break;
if (!l_uintset_contains(cids, read_cid))
continue;
/* ignore protocol */
g_at_result_iter_skip_next(&iter);
g_at_result_iter_next_string(&iter, &apn);
if (apn)
ofono_gprs_cid_activated(gprs, read_cid, apn);
else
ofono_warn("cid %d: Activated but no apn present",
read_cid);
}
}
static void at_cgdcont_read_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_gprs *gprs = user_data;
struct gprs_data *gd = ofono_gprs_get_data(gprs);
int activated_cid = gd->last_auto_context_id;
const char *apn = NULL;
GAtResultIter iter;
struct l_uintset *cids;
DBG("ok %d", ok);
@ -162,47 +235,52 @@ static void at_cgdcont_read_cb(gboolean ok, GAtResult *result,
return;
}
if (gd->last_auto_context_id == -1) {
if (activated_cid == -1) {
DBG("Context got deactivated while calling CGDCONT");
return;
}
g_at_result_iter_init(&iter, result);
cids = l_uintset_new(activated_cid);
while (g_at_result_iter_next(&iter, "+CGDCONT:")) {
int read_cid;
l_uintset_put(cids, activated_cid);
if (!g_at_result_iter_next_number(&iter, &read_cid))
break;
at_cgdcont_parse(gprs, result, cids);
if (read_cid != activated_cid)
continue;
l_uintset_free(cids);
}
/* ignore protocol */
g_at_result_iter_skip_next(&iter);
static void at_cgdcont_act_read_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct list_contexts_data *ld = user_data;
ofono_gprs_cb_t cb = ld->cb;
struct ofono_error error;
g_at_result_iter_next_string(&iter, &apn);
decode_at_error(&error, g_at_result_final_response(result));
break;
}
if (apn)
ofono_gprs_cid_activated(gprs, activated_cid, apn);
if (!ok)
ofono_warn("Can't read CGDCONT context.");
else
ofono_warn("cid %u: Received activated but no apn present",
activated_cid);
at_cgdcont_parse(ld->gprs, result, ld->active_cids);
cb(&error, ld->data);
}
static void at_cgact_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_gprs *gprs = user_data;
struct gprs_data *gd = ofono_gprs_get_data(gprs);
struct list_contexts_data *ld = user_data;
struct gprs_data *gd = ofono_gprs_get_data(ld->gprs);
ofono_gprs_cb_t cb = ld->cb;
struct ofono_error error;
GAtResultIter iter;
DBG("ok %d", ok);
decode_at_error(&error, g_at_result_final_response(result));
if (!ok) {
ofono_warn("Can't read CGACT contexts.");
cb(&error, ld->data);
return;
}
@ -222,17 +300,43 @@ static void at_cgact_cb(gboolean ok, GAtResult *result, gpointer user_data)
continue;
/* Flag this as auto context as it was obviously active */
if (gd->last_auto_context_id == 0)
if (gd->last_auto_context_id == -1)
gd->last_auto_context_id = read_cid;
if (read_cid != gd->last_auto_context_id)
continue;
if (!ld->active_cids)
ld->active_cids = l_uintset_new(MAX_CONTEXTS);
g_at_chat_send(gd->chat, "AT+CGDCONT?", cgdcont_prefix,
at_cgdcont_read_cb, gprs, NULL);
break;
l_uintset_put(ld->active_cids, read_cid);
}
if (ld->active_cids != NULL) {
if (g_at_chat_send(gd->chat, "AT+CGDCONT?", cgdcont_prefix,
at_cgdcont_act_read_cb, ld,
list_contexts_data_unref)) {
list_contexts_data_ref(ld);
return;
}
CALLBACK_WITH_FAILURE(cb, ld->data);
} else {
/* No active contexts found */
cb(&error, ld->data);
}
}
static void at_gprs_list_active_contexts(struct ofono_gprs *gprs,
ofono_gprs_cb_t cb, void *data)
{
struct gprs_data *gd = ofono_gprs_get_data(gprs);
struct list_contexts_data *ld = list_contexts_data_new(gprs, cb, data);
if (g_at_chat_send(gd->chat, "AT+CGACT?", cgact_prefix,
at_cgact_cb, ld, list_contexts_data_unref))
return;
list_contexts_data_unref(ld);
CALLBACK_WITH_FAILURE(cb, data);
}
static void cgreg_notify(GAtResult *result, gpointer user_data)
@ -538,10 +642,6 @@ static void gprs_initialized(gboolean ok, GAtResult *result, gpointer user_data)
break;
}
/* Check if there is any already activated contexts at init */
g_at_chat_send(gd->chat, "AT+CGACT?", cgact_prefix,
at_cgact_cb, gprs, NULL);
ofono_gprs_register(gprs);
}
@ -705,6 +805,7 @@ static const struct ofono_gprs_driver driver = {
.remove = at_gprs_remove,
.set_attached = at_gprs_set_attached,
.attached_status = at_gprs_registration_status,
.list_active_contexts = at_gprs_list_active_contexts,
};
void at_gprs_init(void)