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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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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,
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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
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <string.h>
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#include <glib.h>
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#include <math.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <PDL.h>
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#include <SDL.h>
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#include "debug.h"
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#include "callback.h"
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#include "plugin.h"
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#include "coord.h"
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#include "item.h"
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#include "vehicle.h"
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#include "event.h"
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static char *vehicle_webos_prefix="webos:";
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struct vehicle_priv {
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char *source;
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char *address;
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struct callback_list *cbl;
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struct callback *event_cb;
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double track, speed, altitude, radius;
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time_t fix_time;
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struct coord_geo geo;
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struct attr ** attrs;
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char fixiso8601[128];
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int pdk_version;
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};
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static void
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vehicle_webos_callback(PDL_ServiceParameters *params, void *user)
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{
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PDL_Location *location;
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SDL_Event event;
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SDL_UserEvent userevent;
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int err;
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err = PDL_GetParamInt(params, "errorCode");
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if (err != 0) {
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dbg(0,"Location Callback errorCode %d\n", err);
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return /*PDL_EOTHER*/;
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}
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location = g_new0 (PDL_Location, 1);
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location->altitude = PDL_GetParamDouble(params, "altitude");
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location->velocity = PDL_GetParamDouble(params, "velocity");
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location->heading = PDL_GetParamDouble(params, "heading");
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location->horizontalAccuracy = PDL_GetParamDouble(params, "horizAccuracy");
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location->latitude = PDL_GetParamDouble(params, "latitude");
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location->longitude = PDL_GetParamDouble(params, "longitude");
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userevent.type = SDL_USEREVENT;
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userevent.code = PDL_GPS_UPDATE;
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userevent.data1 = location;
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userevent.data2 = NULL;
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event.type = SDL_USEREVENT;
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event.user = userevent;
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SDL_PushEvent(&event);
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return /*PDL_NOERROR*/;
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}
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static void
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vehicle_webos_gps_update(struct vehicle_priv *priv, PDL_Location *location)
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{
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struct timeval tv;
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gettimeofday(&tv,NULL);
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priv->fix_time = tv.tv_sec;
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priv->geo.lat = location->latitude;
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priv->geo.lng = location->longitude;
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dbg(2,"Location: %f %f %f %.12g %.12g +-%fm\n",
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location->altitude,
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location->velocity,
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location->heading,
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priv->geo.lat,
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priv->geo.lng,
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location->horizontalAccuracy);
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if (location->altitude != -1)
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priv->altitude = location->altitude;
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if (location->velocity != -1)
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priv->speed = location->velocity * 3.6;
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if (location->heading != -1)
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priv->track = location->heading;
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if (location->horizontalAccuracy != -1)
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priv->radius = location->horizontalAccuracy;
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if (priv->pdk_version <= 100)
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g_free(location);
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callback_list_call_attr_0(priv->cbl, attr_position_coord_geo);
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return;
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}
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static void
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vehicle_webos_close(struct vehicle_priv *priv)
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{
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if (priv->pdk_version <= 100)
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PDL_UnregisterServiceCallback((PDL_ServiceCallbackFunc)vehicle_webos_callback);
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else
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PDL_EnableLocationTracking(PDL_FALSE);
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}
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static int
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vehicle_webos_open(struct vehicle_priv *priv)
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{
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PDL_Err err;
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priv->pdk_version = PDL_GetPDKVersion();
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dbg(1,"pdk_version(%d)\n", priv->pdk_version);
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if (priv->pdk_version <= 100) {
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err = PDL_ServiceCallWithCallback("palm://com.palm.location/startTracking",
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"{subscribe:true}",
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(PDL_ServiceCallbackFunc)vehicle_webos_callback,
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priv,
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PDL_FALSE);
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if (err != PDL_NOERROR) {
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dbg(0,"PDL_ServiceCallWithCallback failed with (%d): (%s)\n", err, PDL_GetError());
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vehicle_webos_close(priv);
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return 0;
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}
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}
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else {
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dbg(1,"Calling PDL_EnableLocationTracking(PDL_TRUE)\n");
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err = PDL_EnableLocationTracking(PDL_TRUE);
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if (err != PDL_NOERROR) {
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dbg(0,"PDL_EnableLocationTracking failed with (%d): (%s)\n", err, PDL_GetError());
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vehicle_webos_close(priv);
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return 0;
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}
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}
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return 1;
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}
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static void
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vehicle_webos_destroy(struct vehicle_priv *priv)
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{
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vehicle_webos_close(priv);
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if (priv->source)
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g_free(priv->source);
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g_free(priv);
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}
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static int
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vehicle_webos_position_attr_get(struct vehicle_priv *priv,
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enum attr_type type, struct attr *attr)
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{
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switch (type) {
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case attr_position_height:
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dbg(1,"Altitude: %f\n", priv->altitude);
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attr->u.numd = &priv->altitude;
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break;
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case attr_position_speed:
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dbg(1,"Speed: %f\n", priv->speed);
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attr->u.numd = &priv->speed;
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break;
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case attr_position_direction:
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dbg(1,"Direction: %f\n", priv->track);
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attr->u.numd = &priv->track;
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break;
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case attr_position_coord_geo:
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dbg(1,"Coord: %.12g %.12g\n", priv->geo.lat, priv->geo.lng);
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attr->u.coord_geo = &priv->geo;
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break;
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case attr_position_radius:
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dbg(1,"Radius: %f\n", priv->radius);
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attr->u.numd = &priv->radius;
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break;
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case attr_position_time_iso8601:
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if (priv->fix_time) {
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struct tm tm;
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if (gmtime_r(&priv->fix_time, &tm)) {
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strftime(priv->fixiso8601, sizeof(priv->fixiso8601),
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"%Y-%m-%dT%TZ", &tm);
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attr->u.str=priv->fixiso8601;
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}
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else {
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priv->fix_time = 0;
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return 0;
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}
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dbg(1,"Fix Time: %d %s\n", priv->fix_time, priv->fixiso8601);
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}
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else {
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dbg(1,"Fix Time: %d\n", priv->fix_time);
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return 0;
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}
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break;
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case attr_position_fix_type:
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if (priv->radius == 0.0)
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return 0; // strength = -1
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else if (priv->radius > 20.0)
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attr->u.num = 0; // strength = 1
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else
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attr->u.num = 1; // strength = 2
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break;
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case attr_position_sats_used:
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if (priv->radius <= 6.0 )
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attr->u.num = 6; // strength = 5
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else if (priv->radius <= 10.0 )
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attr->u.num = 5; // strength = 4
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else if (priv->radius <= 15.0 )
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attr->u.num = 4; // strength = 3
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else
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return 0;
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break;
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default:
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return 0;
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}
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attr->type = type;
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return 1;
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}
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static int
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vehicle_webos_set_attr_do(struct vehicle_priv *priv, struct attr *attr, int init)
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{
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switch (attr->type) {
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case attr_source:
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if (strncmp(vehicle_webos_prefix,attr->u.str,strlen(vehicle_webos_prefix))) {
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dbg(1,"source must start with '%s'\n", vehicle_webos_prefix);
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return 0;
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}
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g_free(priv->source);
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priv->source=g_strdup(attr->u.str);
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priv->address=priv->source+strlen(vehicle_webos_prefix);
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if (!priv->address[0])
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priv->address=NULL;
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if (!init) {
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vehicle_webos_close(priv);
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vehicle_webos_open(priv);
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}
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return 1;
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case attr_profilename:
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return 1;
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case attr_pdl_gps_update:
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vehicle_webos_gps_update(priv, (PDL_Location *)attr->u.data);
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return 1;
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default:
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return 0;
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}
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}
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static int
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vehicle_webos_set_attr(struct vehicle_priv *priv, struct attr *attr)
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{
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return vehicle_webos_set_attr_do(priv, attr, 0);
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}
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struct vehicle_methods vehicle_webos_methods = {
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vehicle_webos_destroy,
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vehicle_webos_position_attr_get,
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vehicle_webos_set_attr,
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};
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static struct vehicle_priv *
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vehicle_webos_new(struct vehicle_methods
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*meth, struct callback_list
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*cbl, struct attr **attrs)
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{
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struct vehicle_priv *priv;
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priv = g_new0(struct vehicle_priv, 1);
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priv->attrs = attrs;
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priv->cbl = cbl;
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*meth = vehicle_webos_methods;
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while (*attrs) {
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vehicle_webos_set_attr_do(priv, *attrs, 1);
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attrs++;
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}
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vehicle_webos_open(priv);
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return priv;
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}
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void
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plugin_init(void)
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{
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dbg(1, "enter\n");
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plugin_register_vehicle_type("webos", vehicle_webos_new);
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}
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