mirror of git://git.sysmocom.de/ofono
515 lines
11 KiB
C
515 lines
11 KiB
C
/*
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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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#include <ofono/gprs.h>
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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 *none_prefix[] = { NULL };
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struct gprs_data {
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GAtChat *chat;
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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 cb_data *cbd = user_data;
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ofono_gprs_cb_t cb = cbd->cb;
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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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cb(&error, cbd->data);
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}
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static void at_gprs_set_attached(struct ofono_gprs *gprs, int attached,
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ofono_gprs_cb_t cb, void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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if (!cbd)
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goto error;
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sprintf(buf, "AT+CGATT=%i", attached ? 1 : 0);
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if (g_at_chat_send(gd->chat, buf, none_prefix,
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at_cgatt_cb, cbd, g_free) > 0)
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return;
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error:
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if (cbd)
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, 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 gprs_data *gd =
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ofono_gprs_get_data(req->gprs);
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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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gd->new_contexts = g_slist_remove(gd->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(gd->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_gprs *gprs, unsigned id,
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int active, ofono_gprs_cb_t cb,
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void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct set_active_req *req = NULL;
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char buf[64];
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struct ofono_gprs_primary_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(gd->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->gprs = gprs;
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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(gd->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(gd->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_gprs *gprs,
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int active, ofono_gprs_cb_t cb,
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void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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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->gprs = gprs;
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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(gd->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_gprs *gprs,
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ofono_gprs_alloc_cb_t cb,
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void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct ofono_gprs_primary_context *ctx;
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struct ofono_error e;
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unsigned id = find_next_primary_id(gd);
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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_gprs_primary_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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gd->new_contexts = g_slist_insert_sorted(gd->new_contexts,
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ctx, context_compare);
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gd->contexts = g_slist_insert_sorted(gd->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_gprs_notify(gprs, 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_gprs *gprs, unsigned id,
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ofono_gprs_cb_t cb, void *data)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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struct ofono_error e;
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char buf[64];
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struct ofono_gprs_primary_context *ctx;
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GSList *l;
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gint cid = id;
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l = g_slist_find_custom(gd->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;
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}
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ctx = l->data;
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if (ctx->active) {
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CALLBACK_WITH_FAILURE(cb, data);
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return;
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}
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/* We can call back already -- even if the request to undefine
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* the context fails, the ID can be re-used. */
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e.type = OFONO_ERROR_TYPE_NO_ERROR;
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e.error = 0;
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cb(&e, data);
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context_free(ctx);
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gd->contexts = g_slist_remove(gd->contexts, ctx);
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if (g_slist_find(gd->new_contexts, ctx)) {
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gd->new_contexts = g_slist_remove(gd->new_contexts, ctx);
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return;
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}
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sprintf(buf, "AT+CGDCONT=%u", id);
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g_at_chat_send(gd->chat, buf, none_prefix,
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at_pdp_undefine_cb, NULL, NULL);
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}
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static void at_cgact_read_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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gint cid, state;
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GAtResultIter iter;
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struct ofono_gprs_primary_context *ctx;
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GSList *l;
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dump_response("cgact_read_cb", ok, result);
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if (!ok)
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return;
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while (g_at_result_iter_next(&iter, "+CGACT:")) {
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if (!g_at_result_iter_next_number(&iter, &cid))
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continue;
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if (!g_at_result_iter_next_number(&iter, &state))
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continue;
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l = g_slist_find_custom(gd->contexts, &cid,
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context_id_compare);
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if (!l)
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continue;
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ctx = l->data;
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if (ctx->active != state) {
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ctx->active = state;
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if (state)
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continue;
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ofono_gprs_deactivated(gprs, ctx->id);
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}
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}
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}
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static void cgev_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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GAtResultIter iter;
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const char *event;
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if (!g_at_result_iter_next(&iter, "+CGEV:"))
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return;
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if (!g_at_result_iter_next_unquoted_string(&iter, &event))
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return;
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if (g_str_has_prefix(event, "REJECT "))
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return;
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if (g_str_has_prefix(event, "NW REACT ") ||
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g_str_has_prefix(event, "NW DEACT ") ||
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g_str_has_prefix(event, "ME DEACT ")) {
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/* Ask what primary contexts are active now */
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g_at_chat_send(gd->chat, "AT+CGACT?", cgact_prefix,
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at_cgact_read_cb, gprs, NULL);
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return;
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}
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if (g_str_has_prefix(event, "NW DETACH ") ||
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g_str_has_prefix(event, "ME DETACH ")) {
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detached(gprs);
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ofono_gprs_detached(gprs);
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return;
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}
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if (g_str_has_prefix(event, "NW CLASS ") ||
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g_str_has_prefix(event, "ME CLASS "))
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return;
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}
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static void cgreg_notify(GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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GAtResultIter iter;
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gint status, tech = -1;
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int lac = -1, ci = -1;
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const char *str;
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dump_response("cgreg_notify", TRUE, result);
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGREG:"))
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return;
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g_at_result_iter_next_number(&iter, &status);
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if (g_at_result_iter_next_string(&iter, &str))
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lac = strtol(str, NULL, 16);
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else
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goto out;
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if (g_at_result_iter_next_string(&iter, &str))
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ci = strtol(str, NULL, 16);
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else
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goto out;
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g_at_result_iter_next_number(&iter, &tech);
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out:
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ofono_debug("cgreg_notify: %d, %d, %d, %d", status, lac, ci, tech);
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if (status != 1 && status != 5)
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detached(gprs);
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ofono_gprs_status_notify(gprs, status, lac, ci, tech);
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}
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static void at_cgdcont_test_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct ofono_gprs *gprs = user_data;
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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GAtResultIter iter;
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gint range[2];
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GSList *ranges = NULL;
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const char *pdp_type;
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if (!ok)
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goto error;
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g_at_result_iter_init(&iter, result);
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while (g_at_result_iter_next(&iter, "+CGDCONT:")) {
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if (!g_at_result_iter_open_list(&iter))
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goto next;
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while (g_at_result_iter_next_range(&iter, &range[0],
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&range[1]))
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ranges = g_slist_prepend(ranges,
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g_memdup(range, sizeof(range)));
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if (!g_at_result_iter_close_list(&iter))
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goto next;
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if (!ranges || range[1] < range[0])
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goto next;
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if (!g_at_result_iter_next_string(&iter, &pdp_type))
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goto next;
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/* We look for IP PDPs */
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if (!strcmp(pdp_type, "IP"))
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break;
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next:
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if (ranges) {
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g_slist_foreach(ranges, (GFunc) g_free, NULL);
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g_slist_free(ranges);
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ranges = NULL;
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}
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}
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if (!ranges)
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goto error;
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gd->primary_id_range = g_slist_reverse(ranges);
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ofono_debug("gprs_init: registering to notifications");
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g_at_chat_register(gd->chat, "+CGEV:", cgev_notify, FALSE, gprs, NULL);
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g_at_chat_register(gd->chat, "+CGREG:", cgreg_notify, FALSE, gprs, NULL);
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ofono_gprs_register(gprs);
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return;
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error:
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ofono_gprs_remove(gprs);
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}
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static int at_gprs_probe(struct ofono_gprs *gprs,
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unsigned int vendor, void *data)
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{
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GAtChat *chat = data;
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struct gprs_data *gd;
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gd = g_new0(struct gprs_data, 1);
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gd->chat = chat;
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ofono_gprs_set_data(gprs, gd);
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g_at_chat_send(chat, "AT+CGREG=2", NULL, NULL, NULL, NULL);
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g_at_chat_send(chat, "AT+CGAUTO=0", NULL, NULL, NULL, NULL);
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g_at_chat_send(chat, "AT+CGEREP=2,1", NULL, NULL, NULL, NULL);
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g_at_chat_send(chat, "AT+CGDCONT=?", cgdcont_prefix,
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at_cgdcont_test_cb, gprs, NULL);
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return 0;
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}
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static void at_gprs_remove(struct ofono_gprs *gprs)
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{
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struct gprs_data *gd = ofono_gprs_get_data(gprs);
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ofono_gprs_set_data(gprs, NULL);
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g_free(gd);
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}
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static struct ofono_gprs_driver driver = {
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.name = "atmodem",
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.probe = at_gprs_probe,
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.remove = at_gprs_remove,
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.set_attached = at_gprs_set_attached,
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};
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void at_gprs_init()
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{
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ofono_gprs_driver_register(&driver);
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}
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void at_gprs_exit()
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{
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ofono_gprs_driver_unregister(&driver);
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}
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