Desktop
/* $Id: modem.c,v 1.57 2011/08/11 23:45:51 khorben Exp $ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdarg.h>
#include <stdlib.h>
#ifdef DEBUG
# include <stdio.h>
#endif
#include <string.h>
#include <System.h>
#include "Phone/phone.h"
#include "modem.h"
#include "../config.h"
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
#ifndef LIBDIR
# define LIBDIR PREFIX "/lib"
#endif
/* Modem */
/* private */
/* types */
struct _Modem
{
Plugin * plugin;
ModemPluginHelper helper;
ModemPlugin * modem;
ModemEventCallback callback;
unsigned int retry;
int active;
void * priv;
};
/* prototypes */
static void _modem_event_callback(Modem * modem, ModemEvent * event);
static int _modem_error(Modem * modem, char const * message, int ret);
/* public */
/* functions */
/* modem_new */
static void _new_config(Config * config, char const * name,
ModemPlugin * plugin);
Modem * modem_new(Config * config, char const * name, unsigned int retry)
{
Modem * modem;
if((modem = object_new(sizeof(*modem))) == NULL)
return NULL;
modem->modem = NULL;
modem->retry = retry;
modem->active = 0;
modem->callback = NULL;
modem->priv = NULL;
if((modem->plugin = plugin_new(LIBDIR, PACKAGE, "modem", name))
== NULL || (modem->modem = plugin_lookup(modem->plugin,
"plugin")) == NULL)
{
modem_delete(modem);
return NULL;
}
modem->helper.modem = modem;
modem->helper.event = _modem_event_callback;
modem->helper.error = _modem_error;
modem->modem->helper = &modem->helper;
_new_config(config, name, modem->modem);
if(modem->modem->init != NULL && modem->modem->init(modem->modem) != 0)
{
modem->modem = NULL;
modem_delete(modem);
return NULL;
}
return modem;
}
static void _new_config(Config * config, char const * name,
ModemPlugin * plugin)
{
size_t i;
String * section;
char const * p;
unsigned long u;
if(plugin->config == NULL)
return;
if((section = string_new_append("modem_", name, NULL)) == NULL)
return; /* XXX report error */
for(i = 0; plugin->config[i].name != NULL; i++)
{
if((p = config_get(config, section, plugin->config[i].name))
== NULL)
continue;
switch(plugin->config[i].type)
{
case MCT_NONE: /* XXX should not happen */
break;
case MCT_BOOLEAN:
plugin->config[i].value = (strcmp(p, "1") == 0)
? (void*)1 : NULL;
break;
case MCT_FILENAME: /* FIXME really implement */
case MCT_STRING:
/* FIXME should copy the string */
plugin->config[i].value = (void*)p;
break;
case MCT_UINT32:
u = strtoul(p, NULL, 10);
plugin->config[i].value = (void*)u;
break;
}
}
string_delete(section);
}
/* modem_delete */
void modem_delete(Modem * modem)
{
if(modem->modem != NULL)
modem_stop(modem);
if(modem->plugin != NULL)
plugin_delete(modem->plugin);
object_delete(modem);
}
/* accessors */
/* modem_get_config */
ModemConfig * modem_get_config(Modem * modem)
{
return modem->modem->config;
}
/* modem_set_callback */
void modem_set_callback(Modem * modem, ModemEventCallback callback, void * priv)
{
modem->callback = callback;
modem->priv = priv;
}
/* useful */
/* modem_request */
int modem_request(Modem * modem, ModemRequest * request)
{
if(modem->modem->request == NULL)
return -1;
return modem->modem->request(modem->modem, request);
}
/* modem_request_type */
int modem_request_type(Modem * modem, ModemRequestType type, ...)
{
va_list ap;
ModemRequest request;
va_start(ap, type);
memset(&request, 0, sizeof(request));
switch((request.type = type))
{
/* no arguments */
case MODEM_REQUEST_CALL_ANSWER:
case MODEM_REQUEST_CALL_HANGUP:
case MODEM_REQUEST_CONTACT_LIST:
case MODEM_REQUEST_MESSAGE_LIST:
break;
case MODEM_REQUEST_AUTHENTICATE:
request.authenticate.name = va_arg(ap,
char const *);
request.authenticate.username = va_arg(ap,
char const *);
request.authenticate.password = va_arg(ap,
char const *);
break;
case MODEM_REQUEST_CALL:
request.call.call_type = va_arg(ap, ModemCallType);
request.call.number = va_arg(ap, char const *);
request.call.anonymous = va_arg(ap, int);
break;
case MODEM_REQUEST_CALL_PRESENTATION:
request.call_presentation.enabled = va_arg(ap, int);
break;
case MODEM_REQUEST_CONTACT:
request.contact.id = va_arg(ap, unsigned int);
break;
case MODEM_REQUEST_CONTACT_DELETE:
request.contact_delete.id = va_arg(ap, unsigned int);
break;
case MODEM_REQUEST_MESSAGE:
request.message.id = va_arg(ap, unsigned int);
break;
case MODEM_REQUEST_MESSAGE_SEND:
request.message_send.number = va_arg(ap, char const *);
request.message_send.encoding = va_arg(ap,
unsigned int);
request.message_send.length = va_arg(ap, size_t);
request.message_send.content = va_arg(ap, char const *);
break;
case MODEM_REQUEST_REGISTRATION:
request.registration.mode = va_arg(ap,
ModemRegistrationMode);
break;
default: /* XXX unknown request type */
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%u) %s\n", __func__, type,
"Unsupported request type");
#endif
va_end(ap);
return -1;
}
va_end(ap);
return modem_request(modem, &request);
}
/* modem_start */
int modem_start(Modem * modem)
{
int ret = 0;
if(modem->active != 0)
return 0;
if(modem->modem->start != NULL)
ret = modem->modem->start(modem->modem, modem->retry);
if(ret == 0)
modem->active = 1;
return ret;
}
/* modem_stop */
int modem_stop(Modem * modem)
{
int ret = 0;
if(modem->active == 0)
return 0;
if(modem->modem->stop != NULL)
ret = modem->modem->stop(modem->modem);
if(ret == 0)
modem->active = 0;
return ret;
}
/* modem_trigger */
int modem_trigger(Modem * modem, ModemEventType event)
{
if(modem->active == 0)
return -1; /* XXX report error */
if(modem->modem->trigger == NULL)
return -1;
return modem->modem->trigger(modem->modem, event);
}
/* private */
/* functions */
/* modem_event_callback */
static void _modem_event_callback(Modem * modem, ModemEvent * event)
{
if(modem->callback == NULL)
return;
modem->callback(modem->priv, event);
}
/* modem_error */
static int _modem_error(Modem * modem, char const * message, int ret)
{
ModemEvent event;
if(modem == NULL || modem->callback == NULL)
return error_set_print(PACKAGE, ret, "%s", message);
event.type = MODEM_EVENT_TYPE_ERROR;
event.error.message = message;
modem->callback(modem->priv, &event);
return ret;
}