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ofono
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Add basic atmodem gprs context implementation

This commit is contained in:
Denis Kenzior 2009-10-23 12:08:48 -05:00 committed by Denis Kenzior
parent a3b736afe5
commit d6161ddb61
4 changed files with 277 additions and 1 deletions
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3
Makefile.am
View File

@ -113,7 +113,8 @@ builtin_sources += $(gatchat_sources) \
drivers/atmodem/vendor.h \
drivers/atmodem/atutil.h \
drivers/atmodem/atutil.c \
drivers/atmodem/gprs.c
drivers/atmodem/gprs.c \
drivers/atmodem/gprs-context.c
builtin_modules += calypsomodem
builtin_sources += drivers/atmodem/atutil.h \

2
drivers/atmodem/atmodem.c
View File

@ -49,6 +49,7 @@ static int atmodem_init(void)
at_cbs_init();
at_call_volume_init();
at_gprs_init();
at_gprs_context_init();
return 0;
}
@ -70,6 +71,7 @@ static void atmodem_exit(void)
at_cbs_exit();
at_call_volume_exit();
at_gprs_exit();
at_gprs_context_exit();
}
OFONO_PLUGIN_DEFINE(atmodem, "AT modem driver", VERSION,

3
drivers/atmodem/atmodem.h
View File

@ -65,3 +65,6 @@ extern void at_call_volume_exit();
extern void at_gprs_init();
extern void at_gprs_exit();
extern void at_gprs_context_init();
extern void at_gprs_context_exit();

270
drivers/atmodem/gprs-context.c Normal file
View File

@ -0,0 +1,270 @@
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/gprs-context.h>
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
static const char *cgdcont_prefix[] = { "+CGDCONT:", NULL };
static const char *cgact_prefix[] = { "+CGACT:", NULL };
static const char *none_prefix[] = { NULL };
struct gprs_context_data {
GAtChat *chat;
unsigned active_context;
};
static void at_cgact_down_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_gprs_context_cb_t cb = cbd->cb;
struct ofono_gprs_context *gc = cbd->user;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct ofono_error error;
if (ok)
gcd->active_context = 0;
dump_response("cgact_down_cb", ok, result);
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_cgact_up_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_gprs_context_cb_t cb = cbd->cb;
struct ofono_error error;
dump_response("cgact_up_cb", ok, result);
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_gprs_context_cb_t cb = cbd->cb;
struct ofono_gprs_context *gc = cbd->user;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct cb_data *ncbd;
char buf[64];
dump_response("cgdcont_cb", ok, result);
if (!ok) {
struct ofono_error error;
gcd->active_context = 0;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
return;
}
ncbd = g_memdup(cbd, sizeof(struct cb_data));
sprintf(buf, "AT+CGACT=1,%u", gcd->active_context);
if (g_at_chat_send(gcd->chat, buf, none_prefix,
at_cgact_up_cb, ncbd, g_free) > 0)
return;
error:
if (ncbd)
g_free(ncbd);
CALLBACK_WITH_FAILURE(cb, cbd->data);
}
static void at_gprs_activate_primary(struct ofono_gprs_context *gc,
const struct ofono_gprs_primary_context *ctx,
ofono_gprs_context_cb_t cb, void *data)
{
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[OFONO_GPRS_MAX_APN_LENGTH + 128];
int len;
if (!cbd)
goto error;
gcd->active_context = ctx->cid;
cbd->user = gc;
/* TODO: Handle username / password fields */
len = sprintf(buf, "AT+CGDCONT=%u,\"IP\"", ctx->cid);
if (ctx->apn)
snprintf(buf + len, sizeof(buf) - len - 3, ",\"%s\"",
ctx->apn);
if (g_at_chat_send(gcd->chat, buf, none_prefix,
at_cgdcont_cb, cbd, g_free) > 0)
return;
error:
if (cbd)
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void at_gprs_deactivate_primary(struct ofono_gprs_context *gc,
unsigned int id,
ofono_gprs_context_cb_t cb, void *data)
{
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[64];
if (!cbd)
goto error;
cbd->user = gc;
sprintf(buf, "AT+CGACT=0,%u", id);
if (g_at_chat_send(gcd->chat, buf, none_prefix,
at_cgact_down_cb, cbd, g_free) > 0)
return;
error:
if (cbd)
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void at_cgact_read_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_gprs_context *gc = user_data;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
gint cid, state;
GAtResultIter iter;
dump_response("cgact_read_cb", ok, result);
if (!ok)
return;
while (g_at_result_iter_next(&iter, "+CGACT:")) {
if (!g_at_result_iter_next_number(&iter, &cid))
continue;
if ((unsigned int) cid != gcd->active_context)
continue;
if (!g_at_result_iter_next_number(&iter, &state))
continue;
if (state == 1)
continue;
ofono_gprs_context_deactivated(gc, gcd->active_context);
gcd->active_context = 0;
break;
}
}
static void cgev_notify(GAtResult *result, gpointer user_data)
{
struct ofono_gprs_context *gc = user_data;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
GAtResultIter iter;
const char *event;
if (!g_at_result_iter_next(&iter, "+CGEV:"))
return;
if (!g_at_result_iter_next_unquoted_string(&iter, &event))
return;
if (g_str_has_prefix(event, "NW REACT ") ||
g_str_has_prefix(event, "NW DEACT ") ||
g_str_has_prefix(event, "ME DEACT ")) {
/* Ask what primary contexts are active now */
g_at_chat_send(gcd->chat, "AT+CGACT?", cgact_prefix,
at_cgact_read_cb, gc, NULL);
return;
}
}
static int at_gprs_context_probe(struct ofono_gprs_context *gc,
unsigned int vendor, void *data)
{
GAtChat *chat = data;
struct gprs_context_data *gcd;
gcd = g_new0(struct gprs_context_data, 1);
gcd->chat = chat;
ofono_gprs_context_set_data(gc, gcd);
return 0;
}
static void at_gprs_context_remove(struct ofono_gprs_context *gc)
{
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
ofono_gprs_context_set_data(gc, NULL);
g_free(gcd);
}
static struct ofono_gprs_context_driver driver = {
.name = "atmodem",
.probe = at_gprs_context_probe,
.remove = at_gprs_context_remove,
.activate_primary = at_gprs_activate_primary,
.deactivate_primary = at_gprs_deactivate_primary,
};
void at_gprs_context_init()
{
ofono_gprs_context_driver_register(&driver);
}
void at_gprs_context_exit()
{
ofono_gprs_context_driver_unregister(&driver);
}