/* net_gnss_dispatch.c -- common interface to a number of Network GNSS services

*

* This file is Copyright (c) 2010 by the GPSD project

* BSD terms apply: see the file COPYING in the distribution root for details.

*/

#include <string.h>

#include <errno.h>

#include <sys/types.h>

#include <sys/stat.h>

#ifndef S_SPLINT_S

#include <sys/socket.h>

#include <unistd.h>

#endif /* S_SPLINT_S */

#include "gpsd.h"

#define NETGNSS_DGPSIP "dgpsip://"

#define NETGNSS_NTRIP "ntrip://"

#define NETGNSS_UDP "udp://"

bool netgnss_uri_check(char *name)

/* is given string a valid URI for GNSS/DGPS service? */

{

return

strncmp(name, NETGNSS_NTRIP, strlen(NETGNSS_NTRIP)) == 0

|| strncmp(name, NETGNSS_DGPSIP, strlen(NETGNSS_DGPSIP)) == 0

|| strncmp(name, NETGNSS_UDP, strlen(NETGNSS_UDP)) == 0;

}

/*@ -branchstate */

int netgnss_uri_open(struct gps_device_t *dev, char *netgnss_service)

/* open a connection to a DGNSS service */

{

#ifdef NTRIP_ENABLE

if (strncmp(netgnss_service, NETGNSS_NTRIP, strlen(NETGNSS_NTRIP)) == 0) {

dev->ntrip.conn_state = ntrip_conn_init;

return ntrip_open(dev, netgnss_service + strlen(NETGNSS_NTRIP));

}

#endif

if (strncmp(netgnss_service, NETGNSS_DGPSIP, strlen(NETGNSS_DGPSIP)) == 0)

return dgpsip_open(dev, netgnss_service + strlen(NETGNSS_DGPSIP));

if (strncmp(netgnss_service, NETGNSS_UDP, strlen(NETGNSS_UDP)) == 0)

return udp_open(dev, netgnss_service + strlen(NETGNSS_UDP));

#ifndef REQUIRE_DGNSS_PROTO

return dgpsip_open(dev, netgnss_service);

#else

gpsd_report(LOG_ERROR,

"Unknown or unspecified DGNSS protocol for service %s\n",

netgnss_service);

return -1;

#endif

}

/*@ +branchstate */

void netgnss_report(struct gps_context_t *context,

struct gps_device_t *gps, struct gps_device_t *dgnss)

/* may be time to ship a usage report to the DGNSS service */

{

if (dgnss->servicetype == service_dgpsip)

dgpsip_report(context, gps, dgnss);

#ifdef NTRIP_ENABLE

else if (dgnss->servicetype == service_ntrip)

ntrip_report(context, gps, dgnss);

#endif

else if (dgnss->servicetype == service_udp)

udp_report(context, gps, dgnss);

}

/* end */