2009-10-12 21:35:59 +00:00
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/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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2009-10-20 17:09:46 +00:00
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#include <ofono/gprs.h>
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2009-10-12 21:35:59 +00:00
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#include "gatchat.h"
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#include "gatresult.h"
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#include "atmodem.h"
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static const char *cgdcont_prefix[] = { "+CGDCONT:", NULL };
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static const char *cgact_prefix[] = { "+CGACT:", NULL };
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static const char *none_prefix[] = { NULL };
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struct data_connection_data {
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GSList *primary_id_range;
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GSList *contexts;
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GSList *new_contexts; /* Not yet defined contexts */
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GAtChat *chat;
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};
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struct set_attached_req {
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struct ofono_data_connection *dc;
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int attached;
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ofono_data_connection_cb_t cb;
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void *data;
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};
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struct set_active_req {
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struct ofono_data_connection *dc;
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struct ofono_data_context *ctx;
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int active;
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ofono_data_connection_cb_t cb;
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void *data;
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};
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static gint context_id_compare(gconstpointer a, gconstpointer b)
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{
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const struct ofono_data_context *ctxa = a;
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const gint *id = b;
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return ctxa->id - *id;
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}
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static gint context_compare(gconstpointer a, gconstpointer b)
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{
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const struct ofono_data_context *ctxa = a;
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const struct ofono_data_context *ctxb = a;
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return ctxa->id - ctxb->id;
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}
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static void context_free(struct ofono_data_context *ctx)
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{
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if (ctx->apn)
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g_free(ctx->apn);
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if (ctx->username) {
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memset(ctx->username, 0, strlen(ctx->username));
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g_free(ctx->username);
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}
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if (ctx->password) {
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memset(ctx->password, 0, strlen(ctx->password));
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g_free(ctx->password);
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}
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g_free(ctx);
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}
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static unsigned int find_next_primary_id(struct data_connection_data *d)
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{
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GSList *l;
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gint i, *range;
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for (l = d->primary_id_range; l; l = l->next)
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for (range = l->data, i = range[0]; i <= range[1]; i++)
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if (!g_slist_find_custom(d->contexts, &i,
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context_id_compare))
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return i;
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return 0;
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}
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static void detached(struct ofono_data_connection *dc)
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{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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GSList *l;
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struct ofono_data_context *ctx;
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for (l = dcd->contexts; l; l = l->next) {
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ctx = l->data;
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if (ctx->active) {
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ctx->active = 0;
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ofono_data_connection_deactivated(dc, ctx->id);
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}
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}
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}
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static void at_cgatt_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct set_attached_req *req = user_data;
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struct ofono_error error;
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dump_response("cgatt_cb", ok, result);
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decode_at_error(&error, g_at_result_final_response(result));
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if (ok && !req->attached)
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detached(req->dc);
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req->cb(&error, req->data);
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}
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static void at_ps_set_attached(struct ofono_data_connection *dc,
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int attached, ofono_data_connection_cb_t cb,
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void *data)
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{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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struct set_attached_req *req;
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char buf[64];
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req = g_new0(struct set_attached_req, 1);
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if (!req)
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goto error;
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req->dc = dc;
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req->attached = attached;
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req->cb = cb;
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req->data = data;
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sprintf(buf, "AT+CGATT=%i", attached ? 1 : 0);
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if (g_at_chat_send(dcd->chat, buf, none_prefix,
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at_cgatt_cb, req, g_free) > 0)
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return;
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error:
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if (req)
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g_free(req);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void at_cgact_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct set_active_req *req = user_data;
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struct data_connection_data *dcd =
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ofono_data_connection_get_data(req->dc);
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struct ofono_error error;
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GSList *l;
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struct ofono_data_context *ctx;
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dump_response("cgact_cb", ok, result);
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decode_at_error(&error, g_at_result_final_response(result));
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if (ok) {
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if (req->ctx) {
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req->ctx->active = req->active;
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if (!req->active)
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ofono_data_connection_deactivated(req->dc,
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req->ctx->id);
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} else
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for (l = dcd->contexts; l; l = l->next) {
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ctx = l->data;
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if (g_slist_find(dcd->new_contexts, ctx))
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continue;
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ctx->active = req->active;
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if (!req->active)
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ofono_data_connection_deactivated(
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req->dc, ctx->id);
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}
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}
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req->cb(&error, req->data);
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}
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static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct set_active_req *req = user_data;
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struct data_connection_data *dcd =
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ofono_data_connection_get_data(req->dc);
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struct ofono_error error;
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char buf[64];
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dump_response("cgdcont_cb", ok, result);
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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req->cb(&error, req->data);
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g_free(req);
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return;
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}
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/* Context is no longer undefined */
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dcd->new_contexts = g_slist_remove(dcd->new_contexts, req->ctx);
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sprintf(buf, "AT+CGACT=1,%u", req->ctx->id);
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if (g_at_chat_send(dcd->chat, buf, none_prefix,
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at_cgact_cb, req, g_free) > 0)
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return;
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CALLBACK_WITH_FAILURE(req->cb, req->data);
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g_free(req);
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}
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static void at_pdp_set_active(struct ofono_data_connection *dc, unsigned id,
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int active, ofono_data_connection_cb_t cb,
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void *data)
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{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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struct set_active_req *req = NULL;
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char buf[64];
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struct ofono_data_context *ctx;
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gint cid = id;
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int len;
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GSList *l;
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l = g_slist_find_custom(dcd->contexts, &cid, context_id_compare);
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if (!l)
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goto error;
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ctx = l->data;
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req = g_new0(struct set_active_req, 1);
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if (!req)
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goto error;
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req->dc = dc;
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req->ctx = ctx;
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req->active = active;
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req->cb = cb;
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req->data = data;
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if (active) {
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len = sprintf(buf, "AT+CGDCONT=%u,\"IP\"", id);
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if (ctx->apn)
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snprintf(buf + len, sizeof(buf) - len - 3, ",\"%s\"",
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ctx->apn);
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if (g_at_chat_send(dcd->chat, buf, none_prefix,
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at_cgdcont_cb, req, NULL) > 0)
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return;
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} else {
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sprintf(buf, "AT+CGACT=0,%u", id);
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if (g_at_chat_send(dcd->chat, buf, none_prefix,
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at_cgact_cb, req, g_free) > 0)
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return;
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}
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error:
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if (req)
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g_free(req);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void at_pdp_set_active_all(struct ofono_data_connection *dc,
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int active, ofono_data_connection_cb_t cb,
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void *data)
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{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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struct set_active_req *req;
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char buf[64];
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req = g_new0(struct set_active_req, 1);
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if (!req)
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goto error;
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req->dc = dc;
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req->active = active;
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req->cb = cb;
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req->data = data;
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sprintf(buf, "AT+CGACT=%i", active ? 1 : 0);
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if (g_at_chat_send(dcd->chat, buf, none_prefix,
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at_cgact_cb, req, g_free) > 0)
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return;
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error:
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if (req)
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g_free(req);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void at_pdp_alloc(struct ofono_data_connection *dc,
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ofono_data_connection_alloc_cb_t cb,
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void *data)
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{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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struct ofono_data_context *ctx;
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struct ofono_error e;
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unsigned id = find_next_primary_id(dcd);
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if (!id) {
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CALLBACK_WITH_FAILURE(cb, NULL, data);
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return;
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}
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ctx = g_try_new0(struct ofono_data_context, 1);
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if (!ctx) {
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CALLBACK_WITH_FAILURE(cb, NULL, data);
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return;
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}
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ctx->id = id;
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ctx->apn = g_strdup("");
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ctx->username = g_strdup("");
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ctx->password = g_strdup("");
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dcd->new_contexts = g_slist_insert_sorted(dcd->new_contexts,
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ctx, context_compare);
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dcd->contexts = g_slist_insert_sorted(dcd->contexts,
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ctx, context_compare);
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/* The context will be defined (+CGDCONT) lazily, once it's needed
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* and the parameters are already set in ctx. Right now just call
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* back */
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e.type = OFONO_ERROR_TYPE_NO_ERROR;
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e.error = 0;
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cb(&e, ctx, data);
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ofono_data_connection_notify(dc, ctx);
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}
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static void at_pdp_undefine_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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dump_response("undefine_cb", ok, result);
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if (!ok)
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ofono_error("Undefining primary context failed");
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}
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static void at_pdp_free(struct ofono_data_connection *dc, unsigned id,
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|
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ofono_data_connection_cb_t cb, void *data)
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|
{
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struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
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|
|
struct ofono_error e;
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|
|
char buf[64];
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|
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struct ofono_data_context *ctx;
|
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|
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GSList *l;
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|
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gint cid = id;
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l = g_slist_find_custom(dcd->contexts, &cid, context_id_compare);
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|
|
if (!l) {
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CALLBACK_WITH_FAILURE(cb, data);
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|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ctx = l->data;
|
|
|
|
if (ctx->active) {
|
|
|
|
CALLBACK_WITH_FAILURE(cb, data);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We can call back already -- even if the request to undefine
|
|
|
|
* the context fails, the ID can be re-used. */
|
|
|
|
e.type = OFONO_ERROR_TYPE_NO_ERROR;
|
|
|
|
e.error = 0;
|
|
|
|
cb(&e, data);
|
|
|
|
|
|
|
|
context_free(ctx);
|
|
|
|
dcd->contexts = g_slist_remove(dcd->contexts, ctx);
|
|
|
|
|
|
|
|
if (g_slist_find(dcd->new_contexts, ctx)) {
|
|
|
|
dcd->new_contexts = g_slist_remove(dcd->new_contexts, ctx);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
sprintf(buf, "AT+CGDCONT=%u", id);
|
|
|
|
|
|
|
|
g_at_chat_send(dcd->chat, buf, none_prefix,
|
|
|
|
at_pdp_undefine_cb, NULL, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void at_cgact_read_cb(gboolean ok, GAtResult *result,
|
|
|
|
gpointer user_data)
|
|
|
|
{
|
|
|
|
struct ofono_data_connection *dc = user_data;
|
|
|
|
struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
|
|
|
|
gint cid, state;
|
|
|
|
GAtResultIter iter;
|
|
|
|
struct ofono_data_context *ctx;
|
|
|
|
GSList *l;
|
|
|
|
|
|
|
|
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 (!g_at_result_iter_next_number(&iter, &state))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
l = g_slist_find_custom(dcd->contexts, &cid,
|
|
|
|
context_id_compare);
|
|
|
|
if (!l)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
ctx = l->data;
|
|
|
|
if (ctx->active != state) {
|
|
|
|
ctx->active = state;
|
|
|
|
|
|
|
|
if (state)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
ofono_data_connection_deactivated(dc, ctx->id);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void cgev_notify(GAtResult *result, gpointer user_data)
|
|
|
|
{
|
|
|
|
struct ofono_data_connection *dc = user_data;
|
|
|
|
struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
|
|
|
|
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, "REJECT "))
|
|
|
|
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(dcd->chat, "AT+CGACT?", cgact_prefix,
|
|
|
|
at_cgact_read_cb, dc, NULL);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_str_has_prefix(event, "NW DETACH ") ||
|
|
|
|
g_str_has_prefix(event, "ME DETACH ")) {
|
|
|
|
detached(dc);
|
|
|
|
|
|
|
|
ofono_data_connection_detached(dc);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (g_str_has_prefix(event, "NW CLASS ") ||
|
|
|
|
g_str_has_prefix(event, "ME CLASS "))
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void cgreg_notify(GAtResult *result, gpointer user_data)
|
|
|
|
{
|
|
|
|
struct ofono_data_connection *dc = user_data;
|
|
|
|
GAtResultIter iter;
|
|
|
|
gint status, tech = -1;
|
|
|
|
int lac = -1, ci = -1;
|
|
|
|
const char *str;
|
|
|
|
|
|
|
|
dump_response("cgreg_notify", TRUE, result);
|
|
|
|
|
|
|
|
g_at_result_iter_init(&iter, result);
|
|
|
|
|
|
|
|
if (!g_at_result_iter_next(&iter, "+CGREG:"))
|
|
|
|
return;
|
|
|
|
|
|
|
|
g_at_result_iter_next_number(&iter, &status);
|
|
|
|
|
|
|
|
if (g_at_result_iter_next_string(&iter, &str))
|
|
|
|
lac = strtol(str, NULL, 16);
|
|
|
|
else
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
if (g_at_result_iter_next_string(&iter, &str))
|
|
|
|
ci = strtol(str, NULL, 16);
|
|
|
|
else
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
g_at_result_iter_next_number(&iter, &tech);
|
|
|
|
|
|
|
|
out:
|
|
|
|
ofono_debug("cgreg_notify: %d, %d, %d, %d", status, lac, ci, tech);
|
|
|
|
|
|
|
|
if (status != 1 && status != 5)
|
|
|
|
detached(dc);
|
|
|
|
|
|
|
|
ofono_data_netreg_status_notify(dc, status, lac, ci, tech);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void at_cgdcont_test_cb(gboolean ok, GAtResult *result,
|
|
|
|
gpointer user_data)
|
|
|
|
{
|
|
|
|
struct ofono_data_connection *dc = user_data;
|
|
|
|
struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
|
|
|
|
GAtResultIter iter;
|
|
|
|
gint range[2];
|
|
|
|
GSList *ranges = NULL;
|
|
|
|
const char *pdp_type;
|
|
|
|
|
|
|
|
if (!ok)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
g_at_result_iter_init(&iter, result);
|
|
|
|
|
|
|
|
while (g_at_result_iter_next(&iter, "+CGDCONT:")) {
|
|
|
|
if (!g_at_result_iter_open_list(&iter))
|
|
|
|
goto next;
|
|
|
|
|
|
|
|
while (g_at_result_iter_next_range(&iter, &range[0],
|
|
|
|
&range[1]))
|
|
|
|
ranges = g_slist_prepend(ranges,
|
|
|
|
g_memdup(range, sizeof(range)));
|
|
|
|
|
|
|
|
if (!g_at_result_iter_close_list(&iter))
|
|
|
|
goto next;
|
|
|
|
|
|
|
|
if (!ranges || range[1] < range[0])
|
|
|
|
goto next;
|
|
|
|
|
|
|
|
if (!g_at_result_iter_next_string(&iter, &pdp_type))
|
|
|
|
goto next;
|
|
|
|
|
|
|
|
/* We look for IP PDPs */
|
|
|
|
if (!strcmp(pdp_type, "IP"))
|
|
|
|
break;
|
|
|
|
|
|
|
|
next:
|
|
|
|
if (ranges) {
|
|
|
|
g_slist_foreach(ranges, (GFunc) g_free, NULL);
|
|
|
|
g_slist_free(ranges);
|
|
|
|
ranges = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!ranges)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
dcd->primary_id_range = g_slist_reverse(ranges);
|
|
|
|
|
|
|
|
ofono_debug("data_connection_init: registering to notifications");
|
|
|
|
|
|
|
|
g_at_chat_register(dcd->chat, "+CGEV:", cgev_notify, FALSE, dc, NULL);
|
|
|
|
g_at_chat_register(dcd->chat, "+CGREG:", cgreg_notify, FALSE, dc, NULL);
|
|
|
|
|
|
|
|
ofono_data_connection_register(dc);
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
error:
|
|
|
|
ofono_data_connection_remove(dc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int at_data_connection_probe(struct ofono_data_connection *dc,
|
|
|
|
unsigned int vendor, void *data)
|
|
|
|
{
|
|
|
|
GAtChat *chat = data;
|
|
|
|
struct data_connection_data *dcd;
|
|
|
|
|
|
|
|
dcd = g_new0(struct data_connection_data, 1);
|
|
|
|
dcd->chat = chat;
|
|
|
|
|
|
|
|
ofono_data_connection_set_data(dc, dcd);
|
|
|
|
|
|
|
|
g_at_chat_send(chat, "AT+CGREG=2", NULL, NULL, NULL, NULL);
|
|
|
|
g_at_chat_send(chat, "AT+CGAUTO=0", NULL, NULL, NULL, NULL);
|
|
|
|
g_at_chat_send(chat, "AT+CGEREP=2,1", NULL, NULL, NULL, NULL);
|
|
|
|
g_at_chat_send(chat, "AT+CGDCONT=?", cgdcont_prefix,
|
|
|
|
at_cgdcont_test_cb, dc, NULL);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void at_data_connection_remove(struct ofono_data_connection *dc)
|
|
|
|
{
|
|
|
|
struct data_connection_data *dcd = ofono_data_connection_get_data(dc);
|
|
|
|
|
|
|
|
g_slist_foreach(dcd->contexts, (GFunc) context_free, NULL);
|
|
|
|
g_slist_free(dcd->contexts);
|
|
|
|
g_slist_free(dcd->new_contexts);
|
|
|
|
g_free(dcd);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ofono_data_connection_driver driver = {
|
|
|
|
.name = "atmodem",
|
|
|
|
.probe = at_data_connection_probe,
|
|
|
|
.remove = at_data_connection_remove,
|
|
|
|
.set_attached = at_ps_set_attached,
|
|
|
|
.set_active = at_pdp_set_active,
|
|
|
|
.set_active_all = at_pdp_set_active_all,
|
|
|
|
.create_context = at_pdp_alloc,
|
|
|
|
.remove_context = at_pdp_free,
|
|
|
|
};
|
|
|
|
|
|
|
|
void at_data_connection_init()
|
|
|
|
{
|
|
|
|
ofono_data_connection_driver_register(&driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
void at_data_connection_exit()
|
|
|
|
{
|
|
|
|
ofono_data_connection_driver_unregister(&driver);
|
|
|
|
}
|