mirror of git://git.sysmocom.de/ofono
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/*
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* This file is part of oFono - Open Source Telephony
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*
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* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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*
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* Contact: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* 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 <stdint.h>
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#include <stdbool.h>
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#include <glib.h>
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#include "client.h"
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#define VERSION_TIMEOUT 5
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#define COMMON_MESSAGE 0xF0
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#define COMM_ISI_VERSION_GET_REQ 0x12
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#define COMM_ISI_VERSION_GET_RESP 0x13
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#define COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
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#define PN_SIM 0x09
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struct verify_data {
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void *func;
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void *data;
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};
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static bool verify_cb(GIsiClient *client, const void *restrict data,
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size_t len, uint16_t object, void *opaque)
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{
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const uint8_t *msg = data;
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struct verify_data *vd = opaque;
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GIsiVerifyFunc func = vd->func;
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bool alive = false;
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if(!msg)
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goto out;
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if (len < 2 || msg[0] != COMMON_MESSAGE)
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goto out;
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if (msg[1] == COMM_ISI_VERSION_GET_RESP && len >= 4) {
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g_isi_version_set(client, msg[2], msg[3]);
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alive = true;
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goto out;
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}
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if (msg[1] != COMM_ISA_ENTITY_NOT_REACHABLE_RESP)
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alive = true;
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out:
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if (func)
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func(client, alive, vd->data);
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g_free(vd);
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return true;
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}
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/**
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* Verifies reachability of @a client with its resource. As a side
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* effect of this liveliness check, the ISI version of the client
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* resource will be made available via g_isi_client_version().
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* @param client client to verify
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* @param func callback to process outcome
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* @param opaque user data
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* @return NULL on error (see errno), GIsiRequest pointer on success.
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*/
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GIsiRequest *g_isi_verify(GIsiClient *client, GIsiVerifyFunc func,
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void *opaque)
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{
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struct verify_data *data = g_try_new0(struct verify_data, 1);
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GIsiRequest *req = NULL;
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uint8_t msg[] = {
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COMMON_MESSAGE,
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COMM_ISI_VERSION_GET_REQ,
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0x00 /* Filler */
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};
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data->func = func;
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data->data = opaque;
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req = g_isi_request_make(client, msg, sizeof(msg), VERSION_TIMEOUT,
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verify_cb, data);
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if (!req)
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g_free(data);
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return req;
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}
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