blob: 41d9d9bf5497039e5596c470a25f92e6358ef32d [file] [log] [blame]
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 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
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/gprs-context.h>
#include "gatchat.h"
#include "gatresult.h"
#include "gattty.h"
#include "iceramodem.h"
#define ICERA_DISCONNECTED 0
#define ICERA_CONNECTED 1
#define ICERA_CONNECTING 2
#define ICERA_FAILED 3
#define AUTH_BUF_LENGTH OFONO_GPRS_MAX_USERNAME_LENGTH + \
OFONO_GPRS_MAX_PASSWORD_LENGTH + 128
#define STATIC_IP_NETMASK "255.255.255.255"
static const char *none_prefix[] = { NULL };
static const char *ipdpact_prefix[] = { "%IPDPACT", NULL };
static const char *ipdpaddr_prefix[] = { "%IPDPADDR", NULL };
enum state {
STATE_NONE,
STATE_ENABLING,
STATE_DISABLING,
};
struct gprs_context_data {
GAtChat *chat;
unsigned int active_context;
char username[OFONO_GPRS_MAX_USERNAME_LENGTH + 1];
char password[OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
enum state state;
ofono_gprs_context_cb_t cb;
void *cb_data;
};
static void ipdpaddr_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);
GAtResultIter iter;
int cid;
const char *ip = NULL;
const char *gateway = NULL;
const char *dns1 = NULL;
const char *dns2 = NULL;
const char *dns[3];
struct ofono_modem *modem;
const char *interface;
if (!ok)
return;
g_at_result_iter_init(&iter, result);
if (g_at_result_iter_next(&iter, "%IPDPADDR:") == FALSE)
return;
g_at_result_iter_next_number(&iter, &cid);
g_at_result_iter_next_unquoted_string(&iter, &ip);
g_at_result_iter_next_unquoted_string(&iter, &gateway);
g_at_result_iter_next_unquoted_string(&iter, &dns1);
g_at_result_iter_next_unquoted_string(&iter, &dns2);
if (ip && ip[0] == ' ')
ip += 1;
if (gateway && gateway[0] == ' ')
gateway += 1;
if (dns1 && dns1[0] == ' ')
dns1 += 1;
if (dns2 && dns2[0] == ' ')
dns2 += 1;
/* Don't bother reporting the same DNS twice */
if (g_str_equal(dns1, dns2))
dns2 = NULL;
dns[0] = dns1;
dns[1] = dns2;
dns[2] = 0;
modem = ofono_gprs_context_get_modem(gc);
interface = ofono_modem_get_string(modem, "NetworkInterface");
ofono_info("Got the following parameters for context: %d", cid);
ofono_info("IP: %s, Gateway: %s", ip, gateway);
ofono_info("DNS: %s, %s", dns1, dns2);
ofono_gprs_context_set_interface(gc, interface);
ofono_gprs_context_set_ipv4_address(gc, ip, TRUE);
ofono_gprs_context_set_ipv4_netmask(gc, STATIC_IP_NETMASK);
ofono_gprs_context_set_ipv4_gateway(gc, gateway);
ofono_gprs_context_set_ipv4_dns_servers(gc, dns);
CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
gcd->state = STATE_NONE;
gcd->cb = NULL;
gcd->cb_data = NULL;
}
static void ipdpact_notifier(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;
int cid, state;
if (gcd->active_context == 0)
return;
g_at_result_iter_init(&iter, result);
if (g_at_result_iter_next(&iter, "%IPDPACT:") == FALSE)
return;
g_at_result_iter_next_number(&iter, &cid);
g_at_result_iter_next_number(&iter, &state);
DBG("cid %d state %d", cid, state);
if (gcd->active_context != (unsigned int) cid)
return;
switch (state) {
case ICERA_DISCONNECTED:
if (gcd->state == STATE_DISABLING) {
CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
gcd->state = STATE_NONE;
gcd->cb = NULL;
gcd->cb_data = NULL;
} else
ofono_gprs_context_deactivated(gc, gcd->active_context);
gcd->active_context = 0;
break;
case ICERA_CONNECTED:
if (gcd->state == STATE_ENABLING) {
char buf[128];
snprintf(buf, sizeof(buf), "AT%%IPDPADDR=%u",
gcd->active_context);
g_at_chat_send(gcd->chat, buf, ipdpaddr_prefix,
ipdpaddr_cb, gc, NULL);
}
break;
case ICERA_CONNECTING:
break;
case ICERA_FAILED:
if (gcd->state == STATE_ENABLING) {
CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
gcd->state = STATE_NONE;
gcd->cb = NULL;
gcd->cb_data = NULL;
}
gcd->active_context = 0;
break;
}
}
static void ipdpact_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;
DBG("ok %d", ok);
if (ok) {
gcd->state = STATE_DISABLING;
gcd->cb = cb;
gcd->cb_data = cbd->data;
ipdpact_notifier(result, gc);
return;
}
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void ipdpact_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_gprs_context *gc = cbd->user;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct ofono_error error;
DBG("ok %d", ok);
if (ok) {
gcd->state = STATE_ENABLING;
gcd->cb = cb;
gcd->cb_data = cbd->data;
ipdpact_notifier(result, gc);
return;
}
gcd->active_context = 0;
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[AUTH_BUF_LENGTH];
DBG("ok %d", ok);
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;
}
if (gcd->username[0] && gcd->password[0])
sprintf(buf, "AT%%IPDPCFG=%u,0,1,\"%s\",\"%s\"",
gcd->active_context, gcd->username, gcd->password);
else
sprintf(buf, "AT%%IPDPCFG=%u,0,0,\"\",\"\"",
gcd->active_context);
if (g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL) == 0)
goto error;
ncbd = g_memdup(cbd, sizeof(struct cb_data));
snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,1", gcd->active_context);
if (g_at_chat_send(gcd->chat, buf, ipdpact_prefix,
ipdpact_up_cb, ncbd, g_free) > 0)
return;
g_free(ncbd);
error:
gcd->active_context = 0;
CALLBACK_WITH_FAILURE(cb, cbd->data);
}
static void icera_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 = 0;
DBG("cid %u", ctx->cid);
gcd->active_context = ctx->cid;
memcpy(gcd->username, ctx->username, sizeof(ctx->username));
memcpy(gcd->password, ctx->password, sizeof(ctx->password));
cbd->user = gc;
switch (ctx->proto) {
case OFONO_GPRS_PROTO_IP:
len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"",
ctx->cid);
break;
case OFONO_GPRS_PROTO_IPV6:
len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV6\"",
ctx->cid);
break;
case OFONO_GPRS_PROTO_IPV4V6:
len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV4V6\"",
ctx->cid);
break;
}
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;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void icera_gprs_deactivate_primary(struct ofono_gprs_context *gc,
unsigned int cid,
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[128];
DBG("cid %u", cid);
cbd->user = gc;
snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,0", cid);
if (g_at_chat_send(gcd->chat, buf, ipdpact_prefix,
ipdpact_down_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static int icera_gprs_context_probe(struct ofono_gprs_context *gc,
unsigned int vendor, void *data)
{
GAtChat *chat = data;
struct gprs_context_data *gcd;
DBG("");
gcd = g_try_new0(struct gprs_context_data, 1);
if (gcd == NULL)
return -ENOMEM;
gcd->chat = g_at_chat_clone(chat);
ofono_gprs_context_set_data(gc, gcd);
g_at_chat_register(gcd->chat, "%IPDPACT:", ipdpact_notifier,
FALSE, gc, NULL);
return 0;
}
static void icera_gprs_context_remove(struct ofono_gprs_context *gc)
{
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
DBG("");
ofono_gprs_context_set_data(gc, NULL);
g_at_chat_unref(gcd->chat);
g_free(gcd);
}
static const struct ofono_gprs_context_driver driver = {
.name = "iceramodem",
.probe = icera_gprs_context_probe,
.remove = icera_gprs_context_remove,
.activate_primary = icera_gprs_activate_primary,
.deactivate_primary = icera_gprs_deactivate_primary,
};
void icera_gprs_context_init(void)
{
ofono_gprs_context_driver_register(&driver);
}
void icera_gprs_context_exit(void)
{
ofono_gprs_context_driver_unregister(&driver);
}