mirror of git://git.sysmocom.de/ofono
639 lines
15 KiB
C
639 lines
15 KiB
C
/*
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*
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* RIL library with GLib integration
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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* Copyright (C) 2012-2013 Canonical Ltd.
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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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#include <stdio.h>
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#include <ctype.h>
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#include <errno.h>
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#include <string.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-context.h>
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#include "util.h"
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#include "common.h"
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#include "grilunsol.h"
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/* Minimum size is two int32s version/number of calls */
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#define MIN_DATA_CALL_LIST_SIZE 8
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/*
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* Minimum NITZ is: 'yy/mm/dd,hh:mm:ss'
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* TZ '(+/-)tz,dt' are optional
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*/
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#define MIN_NITZ_SIZE 17
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static gint data_call_compare(gconstpointer a, gconstpointer b)
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{
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const struct ril_data_call *ca = a;
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const struct ril_data_call *cb = b;
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if (ca->cid < cb->cid)
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return -1;
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if (ca->cid > cb->cid)
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return 1;
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return 0;
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}
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static void free_data_call(gpointer data, gpointer user_data)
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{
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struct ril_data_call *call = data;
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if (call) {
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g_free(call->ifname);
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g_free(call->ip_addr);
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g_free(call->dns_addrs);
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g_free(call->gateways);
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g_free(call);
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}
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}
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void g_ril_unsol_free_data_call_list(struct ril_data_call_list *call_list)
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{
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if (call_list) {
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g_slist_foreach(call_list->calls, (GFunc) free_data_call, NULL);
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g_slist_free(call_list->calls);
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g_free(call_list);
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}
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}
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static gboolean handle_settings(struct ril_data_call *call, char *type,
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char *ifname, char *raw_ip_addrs,
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char *raw_dns, char *raw_gws)
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{
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gboolean result = FALSE;
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int protocol;
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char **dns_addrs = NULL, **gateways = NULL;
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char **ip_addrs = NULL, **split_ip_addr = NULL;
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protocol = ril_protocol_string_to_ofono_protocol(type);
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if (protocol < 0) {
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ofono_error("%s: invalid type(protocol) specified: %s",
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__func__, type);
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goto done;
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}
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if (ifname == NULL || strlen(ifname) == 0) {
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ofono_error("%s: no interface specified: %s",
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__func__, ifname);
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goto done;
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}
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/* Split DNS addresses */
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if (raw_dns)
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dns_addrs = g_strsplit(raw_dns, " ", 3);
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/*
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* RILD can return multiple addresses; oFono only supports
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* setting a single IPv4 gateway.
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*/
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if (raw_gws)
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gateways = g_strsplit(raw_gws, " ", 3);
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if (gateways == NULL || g_strv_length(gateways) == 0) {
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ofono_error("%s: no gateways: %s", __func__, raw_gws);
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goto done;
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}
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/* TODO:
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* RILD can return multiple addresses; oFono only supports
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* setting a single IPv4 address. At this time, we only
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* use the first address. It's possible that a RIL may
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* just specify the end-points of the point-to-point
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* connection, in which case this code will need to
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* changed to handle such a device.
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*
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* For now split into a maximum of three, and only use
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* the first address for the remaining operations.
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*/
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if (raw_ip_addrs)
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ip_addrs = g_strsplit(raw_ip_addrs, " ", 3);
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if (ip_addrs == NULL || g_strv_length(ip_addrs) == 0) {
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ofono_error("%s: no IP address: %s", __func__, raw_ip_addrs);
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goto done;
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}
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DBG("num ip addrs is: %d", g_strv_length(ip_addrs));
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if (g_strv_length(ip_addrs) > 1)
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ofono_warn("%s: more than one IP addr returned: %s", __func__,
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raw_ip_addrs);
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/*
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* Note - the address may optionally include a prefix size
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* ( Eg. "/30" ). As this confuses NetworkManager, we
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* explicitly strip any prefix after calculating the netmask.
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*/
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split_ip_addr = g_strsplit(ip_addrs[0], "/", 2);
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if (split_ip_addr == NULL || g_strv_length(split_ip_addr) == 0) {
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ofono_error("%s: invalid IP address field returned: %s",
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__func__, ip_addrs[0]);
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goto done;
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}
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call->protocol = protocol;
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call->ifname = g_strdup(ifname);
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call->ip_addr = g_strdup(split_ip_addr[0]);
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call->dns_addrs = g_strdupv(dns_addrs);
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call->gateways = g_strdupv(gateways);
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result = TRUE;
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done:
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if (dns_addrs)
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g_strfreev(dns_addrs);
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if (gateways)
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g_strfreev(gateways);
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if (ip_addrs)
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g_strfreev(ip_addrs);
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if (split_ip_addr)
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g_strfreev(split_ip_addr);
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return result;
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}
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/*
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* This function handles RIL_UNSOL_DATA_CALL_LIST_CHANGED messages,
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* as well as RIL_REQUEST_DATA_CALL_LIST/SETUP_DATA_CALL replies, as
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* all have the same payload.
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*/
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struct ril_data_call_list *g_ril_unsol_parse_data_call_list(GRil *gril,
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const struct ril_msg *message)
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{
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struct ril_data_call *call;
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struct parcel rilp;
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struct ril_data_call_list *reply = NULL;
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unsigned int active, cid, i, num_calls, retry, status;
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char *type = NULL, *ifname = NULL, *raw_addrs = NULL;
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char *raw_dns = NULL, *raw_gws = NULL;
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DBG("");
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/* Can happen for RIL_REQUEST_DATA_CALL_LIST replies */
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if (message->buf_len < MIN_DATA_CALL_LIST_SIZE) {
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if (message->req == RIL_REQUEST_SETUP_DATA_CALL) {
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ofono_error("%s: message too small: %d",
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__func__,
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(int) message->buf_len);
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goto error;
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} else {
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g_ril_append_print_buf(gril, "{");
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goto done;
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}
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}
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reply = g_try_new0(struct ril_data_call_list, 1);
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if (reply == NULL) {
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ofono_error("%s: out of memory", __func__);
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goto error;
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}
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g_ril_init_parcel(message, &rilp);
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/*
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* ril.h documents the reply to a RIL_REQUEST_DATA_CALL_LIST
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* as being an array of RIL_Data_Call_Response_v6 structs,
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* however in reality, the response also includes a version
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* to start.
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*/
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reply->version = parcel_r_int32(&rilp);
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num_calls = parcel_r_int32(&rilp);
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g_ril_append_print_buf(gril,
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"{version=%d,num=%d",
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reply->version,
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num_calls);
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for (i = 0; i < num_calls; i++) {
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status = parcel_r_int32(&rilp);
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retry = parcel_r_int32(&rilp); /* ignore */
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cid = parcel_r_int32(&rilp);
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active = parcel_r_int32(&rilp);
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type = parcel_r_string(&rilp);
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ifname = parcel_r_string(&rilp);
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raw_addrs = parcel_r_string(&rilp);
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raw_dns = parcel_r_string(&rilp);
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raw_gws = parcel_r_string(&rilp);
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/* malformed check */
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if (rilp.malformed) {
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ofono_error("%s: malformed parcel received", __func__);
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goto error;
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}
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g_ril_append_print_buf(gril,
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"%s [status=%d,retry=%d,cid=%d,"
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"active=%d,type=%s,ifname=%s,"
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"address=%s,dns=%s,gateways=%s]",
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print_buf,
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status,
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retry,
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cid,
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active,
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type,
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ifname,
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raw_addrs,
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raw_dns,
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raw_gws);
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call = g_try_new0(struct ril_data_call, 1);
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if (call == NULL) {
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ofono_error("%s: out of memory", __func__);
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goto error;
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}
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call->status = status;
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call->cid = cid;
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call->active = active;
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if (message->req == RIL_REQUEST_SETUP_DATA_CALL &&
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status == PDP_FAIL_NONE &&
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handle_settings(call, type, ifname, raw_addrs,
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raw_dns, raw_gws) == FALSE)
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goto error;
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g_free(type);
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g_free(ifname);
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g_free(raw_addrs);
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g_free(raw_dns);
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g_free(raw_gws);
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reply->calls =
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g_slist_insert_sorted(reply->calls, call,
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data_call_compare);
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}
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done:
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g_ril_append_print_buf(gril, "%s}", print_buf);
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if (message->unsolicited)
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g_ril_print_unsol(gril, message);
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else
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g_ril_print_response(gril, message);
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return reply;
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error:
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g_free(type);
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g_free(ifname);
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g_free(raw_addrs);
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g_free(raw_dns);
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g_free(raw_gws);
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g_ril_unsol_free_data_call_list(reply);
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return NULL;
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}
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char *g_ril_unsol_parse_nitz(GRil *gril, const struct ril_msg *message)
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{
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struct parcel rilp;
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gchar *nitz = NULL;
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DBG("");
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if (message->buf_len < MIN_NITZ_SIZE) {
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ofono_error("%s: NITZ too small: %d",
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__func__,
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(int) message->buf_len);
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goto error;
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}
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g_ril_init_parcel(message, &rilp);
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nitz = parcel_r_string(&rilp);
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g_ril_append_print_buf(gril, "(%s)", nitz);
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g_ril_print_unsol(gril, message);
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error:
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return nitz;
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}
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void g_ril_unsol_free_sms_data(struct unsol_sms_data *unsol)
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{
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if (unsol != NULL) {
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g_free(unsol->data);
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g_free(unsol);
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}
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}
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struct unsol_sms_data *g_ril_unsol_parse_new_sms(GRil *gril,
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const struct ril_msg *message)
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{
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struct parcel rilp;
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char *ril_pdu;
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size_t ril_pdu_len;
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struct unsol_sms_data *sms_data;
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sms_data = g_new0(struct unsol_sms_data, 1);
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if (sms_data == NULL) {
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ofono_error("%s out of memory", __func__);
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goto error;
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}
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g_ril_init_parcel(message, &rilp);
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ril_pdu = parcel_r_string(&rilp);
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if (ril_pdu == NULL) {
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ofono_error("%s Unable to parse notification", __func__);
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goto error;
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}
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ril_pdu_len = strlen(ril_pdu);
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sms_data->data = decode_hex(ril_pdu, ril_pdu_len,
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&sms_data->length, -1);
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if (sms_data->data == NULL) {
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ofono_error("%s Unable to decode notification", __func__);
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goto error_dec;
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}
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g_ril_append_print_buf(gril, "{%s}", ril_pdu);
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g_ril_print_unsol(gril, message);
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g_free(ril_pdu);
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return sms_data;
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error_dec:
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g_free(ril_pdu);
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error:
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g_ril_unsol_free_sms_data(sms_data);
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return NULL;
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}
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int g_ril_unsol_parse_radio_state_changed(GRil *gril,
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const struct ril_msg *message)
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{
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struct parcel rilp;
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int radio_state;
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g_ril_init_parcel(message, &rilp);
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radio_state = parcel_r_int32(&rilp);
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if (rilp.malformed) {
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ofono_error("%s: malformed parcel received", __func__);
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radio_state = -1;
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}
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g_ril_append_print_buf(gril, "(state: %s)",
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ril_radio_state_to_string(radio_state));
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g_ril_print_unsol(gril, message);
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return radio_state;
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}
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/*
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* This function makes a similar processing to was is done by validateInput()
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* and getLteLevel() in $AOSP/frameworks/base/telephony/java/android/telephony/
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* SignalStrength.java. The main difference is that we linearly transform the
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* ranges to ofono's one, while AOSP gives number of bars in a non-linear way
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* (bins for each bar have different size). We rely on the indicator to obtain
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* a translation to bars that makes sense for humans.
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*/
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static int get_lte_strength(int signal, int rsrp, int rssnr)
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{
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int s_rsrp = -1, s_rssnr = -1, s_signal = -1;
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/*
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* The range of signal is specified to be [0, 31] by ril.h, but the code
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* in SignalStrength.java contradicts this: valid values are (0-63, 99)
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* as defined in TS 36.331 for E-UTRA rssi.
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*/
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signal = (signal >= 0 && signal <= 63) ? signal : INT_MAX;
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rsrp = (rsrp >= 44 && rsrp <= 140) ? -rsrp : INT_MAX;
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rssnr = (rssnr >= -200 && rssnr <= 300) ? rssnr : INT_MAX;
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/* Linearly transform [-140, -44] to [0, 100] */
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if (rsrp != INT_MAX)
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s_rsrp = (25 * rsrp + 3500) / 24;
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/* Linearly transform [-200, 300] to [0, 100] */
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if (rssnr != INT_MAX)
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s_rssnr = (rssnr + 200) / 5;
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if (s_rsrp != -1 && s_rssnr != -1)
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return s_rsrp < s_rssnr ? s_rsrp : s_rssnr;
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if (s_rssnr != -1)
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return s_rssnr;
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if (s_rsrp != -1)
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return s_rsrp;
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/* Linearly transform [0, 63] to [0, 100] */
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if (signal != INT_MAX)
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s_signal = (100 * signal) / 63;
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return s_signal;
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}
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/*
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* Comments to get_lte_strength() apply here also, changing getLteLevel() with
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* getGsmLevel(). The atmodem driver does exactly the same transformation with
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* the rssi from AT+CSQ command.
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*/
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static int get_gsm_strength(int signal)
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{
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/* Checking the range contemplates also the case signal=99 (invalid) */
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if (signal >= 0 && signal <= 31)
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return (signal * 100) / 31;
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else
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return -1;
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}
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int g_ril_unsol_parse_signal_strength(GRil *gril, const struct ril_msg *message,
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int ril_tech)
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{
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struct parcel rilp;
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int gw_sigstr, gw_signal, cdma_dbm, evdo_dbm;
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int lte_sigstr = -1, lte_rsrp = -1, lte_rssnr = -1;
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int lte_signal;
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int signal;
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g_ril_init_parcel(message, &rilp);
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/* RIL_SignalStrength_v5 */
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/* GW_SignalStrength */
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gw_sigstr = parcel_r_int32(&rilp);
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gw_signal = get_gsm_strength(gw_sigstr);
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parcel_r_int32(&rilp); /* bitErrorRate */
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/*
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* CDMA/EVDO values are not processed as CDMA is not supported
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*/
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/* CDMA_SignalStrength */
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cdma_dbm = parcel_r_int32(&rilp);
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parcel_r_int32(&rilp); /* ecio */
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/* EVDO_SignalStrength */
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evdo_dbm = parcel_r_int32(&rilp);
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parcel_r_int32(&rilp); /* ecio */
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parcel_r_int32(&rilp); /* signalNoiseRatio */
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/* Present only for RIL_SignalStrength_v6 or newer */
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if (parcel_data_avail(&rilp) > 0) {
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/* LTE_SignalStrength */
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lte_sigstr = parcel_r_int32(&rilp);
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lte_rsrp = parcel_r_int32(&rilp);
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parcel_r_int32(&rilp); /* rsrq */
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lte_rssnr = parcel_r_int32(&rilp);
|
|
parcel_r_int32(&rilp); /* cqi */
|
|
lte_signal = get_lte_strength(lte_sigstr, lte_rsrp, lte_rssnr);
|
|
} else {
|
|
lte_signal = -1;
|
|
}
|
|
|
|
g_ril_append_print_buf(gril,
|
|
"{gw: %d, cdma: %d, evdo: %d, lte: %d %d %d}",
|
|
gw_sigstr, cdma_dbm, evdo_dbm, lte_sigstr,
|
|
lte_rsrp, lte_rssnr);
|
|
|
|
if (message->unsolicited)
|
|
g_ril_print_unsol(gril, message);
|
|
else
|
|
g_ril_print_response(gril, message);
|
|
|
|
/* Return the first valid one */
|
|
if (gw_signal != -1 && lte_signal != -1)
|
|
if (ril_tech == RADIO_TECH_LTE)
|
|
signal = lte_signal;
|
|
else
|
|
signal = gw_signal;
|
|
else if (gw_signal != -1)
|
|
signal = gw_signal;
|
|
else if (lte_signal != -1)
|
|
signal = lte_signal;
|
|
else
|
|
signal = -1;
|
|
|
|
return signal;
|
|
}
|
|
|
|
void g_ril_unsol_free_supp_svc_notif(struct unsol_supp_svc_notif *unsol)
|
|
{
|
|
g_free(unsol);
|
|
}
|
|
|
|
struct unsol_supp_svc_notif *g_ril_unsol_parse_supp_svc_notif(GRil *gril,
|
|
struct ril_msg *message)
|
|
{
|
|
struct parcel rilp;
|
|
char *tmp_number;
|
|
int type;
|
|
struct unsol_supp_svc_notif *unsol =
|
|
g_new0(struct unsol_supp_svc_notif, 1);
|
|
|
|
g_ril_init_parcel(message, &rilp);
|
|
|
|
unsol->notif_type = parcel_r_int32(&rilp);
|
|
unsol->code = parcel_r_int32(&rilp);
|
|
unsol->index = parcel_r_int32(&rilp);
|
|
type = parcel_r_int32(&rilp);
|
|
tmp_number = parcel_r_string(&rilp);
|
|
|
|
if (tmp_number != NULL) {
|
|
strncpy(unsol->number.number, tmp_number,
|
|
OFONO_MAX_PHONE_NUMBER_LENGTH);
|
|
unsol->number.type = type;
|
|
g_free(tmp_number);
|
|
}
|
|
|
|
g_ril_append_print_buf(gril, "{%d,%d,%d,%d,%s}",
|
|
unsol->notif_type, unsol->code, unsol->index,
|
|
type, tmp_number);
|
|
g_ril_print_unsol(gril, message);
|
|
|
|
return unsol;
|
|
}
|
|
|
|
void g_ril_unsol_free_ussd(struct unsol_ussd *unsol)
|
|
{
|
|
if (unsol != NULL) {
|
|
g_free(unsol->message);
|
|
g_free(unsol);
|
|
}
|
|
}
|
|
|
|
struct unsol_ussd *g_ril_unsol_parse_ussd(GRil *gril, struct ril_msg *message)
|
|
{
|
|
struct parcel rilp;
|
|
struct unsol_ussd *ussd;
|
|
char *typestr = NULL;
|
|
int numstr;
|
|
|
|
ussd = g_try_malloc0(sizeof(*ussd));
|
|
if (ussd == NULL) {
|
|
ofono_error("%s out of memory", __func__);
|
|
goto error;
|
|
}
|
|
|
|
g_ril_init_parcel(message, &rilp);
|
|
|
|
numstr = parcel_r_int32(&rilp);
|
|
if (numstr < 1) {
|
|
ofono_error("%s malformed parcel", __func__);
|
|
goto error;
|
|
}
|
|
|
|
typestr = parcel_r_string(&rilp);
|
|
if (typestr == NULL || *typestr == '\0') {
|
|
ofono_error("%s wrong type", __func__);
|
|
goto error;
|
|
}
|
|
|
|
ussd->type = *typestr - '0';
|
|
|
|
g_free(typestr);
|
|
|
|
if (numstr > 1)
|
|
ussd->message = parcel_r_string(&rilp);
|
|
|
|
g_ril_append_print_buf(gril, "{%d,%s}", ussd->type, ussd->message);
|
|
|
|
g_ril_print_unsol(gril, message);
|
|
|
|
return ussd;
|
|
|
|
error:
|
|
g_free(typestr);
|
|
g_free(ussd);
|
|
|
|
return NULL;
|
|
}
|