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/* $Id$ */
/*
* Copyright (C) 2005 Alfredo Pironti
*
* This software is distributed under a BSD-style license. See the
* file "COPYING" for more information.
*
*/
#include "libgpsmm.h"
gpsmm::gpsmm() : gps_data(0) { }
struct gps_data_t* gpsmm::open(void) {
return open("127.0.0.1",DEFAULT_GPSD_PORT);
}
struct gps_data_t* gpsmm::open(const char *host, const char *port) {
gps_data=gps_open(host,port);
if (gps_data==NULL) { //connection not opened
return NULL;
}
else { //connection succesfully opened
to_user= new struct gps_data_t;
return backup(); //we return the backup of our internal structure
}
}
struct gps_data_t* gpsmm::stream(int flags) {
if (gps_stream(gps_data,flags)==-1) {
return NULL;
}
else {
return backup();
}
}
struct gps_data_t* gpsmm::query(const char *request) {
if (gps_query(gps_data,request)==-1) {
return NULL;
}
else {
return backup();
}
}
struct gps_data_t* gpsmm::poll(void) {
if (gps_poll(gps_data)<0) {
// we return null if there was a read() error or connection is cloed by gpsd
return NULL;
}
else {
return backup();
}
}
int gpsmm::set_callback(void (*hook)(struct gps_data_t *sentence, char *buf, size_t len, int level)) {
handler = new pthread_t;
return gps_set_callback(gps_data,hook,handler);
}
int gpsmm::del_callback(void) {
int res;
res=gps_del_callback(gps_data,handler);
delete handler;
return res;
}
void gpsmm::clear_fix(void) {
gps_clear_fix(&(gps_data->fix));
}
gpsmm::~gpsmm() {
if (gps_data!=NULL) {
gps_close(gps_data);
delete to_user;
}
}
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