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extern crate libc;
use std::default::Default;
use std::ptr;
use std::fmt;
pub const WATCH_ENABLE:libc::c_int = 0x000001;
pub const WATCH_DISABLE:libc::c_int = 0x000002;
pub const WATCH_JSON:libc::c_int = 0x000010;
pub const WATCH_NMEA:libc::c_int = 0x000020;
pub const WATCH_RARE:libc::c_int = 0x000040;
pub const WATCH_RAW:libc::c_int = 0x000080;
pub const WATCH_SCALED:libc::c_int = 0x000100;
pub const WATCH_TIMING:libc::c_int = 0x000200;
pub const WATCH_DEVICE:libc::c_int = 0x000800;
pub const WATCH_SPLIT24:libc::c_int = 0x001000;
pub const WATCH_PPS:libc::c_int = 0x002000;
pub const WATCH_NEWSTYLE:libc::c_int = 0x010000;
pub const GPS_PATH_MAX: usize = 128;
pub const MAXCHANNELS: usize = 72;
pub const MAXUSERDEVS: usize = 4;
pub type GPSMaskT = libc::uint64_t;
pub type TimestampT = libc::c_double;
pub type Longitude = libc::c_double;
pub type Latitude = libc::c_double;
pub type SocketT = libc::c_int;
#[repr(C)]
#[derive(Default)]
pub struct DopT {
pub xdop: libc::c_double,
pub ydop: libc::c_double,
pub pdop: libc::c_double,
pub hdop: libc::c_double,
pub vdop: libc::c_double,
pub tdop: libc::c_double,
pub gdop: libc::c_double,
}
#[repr(C)]
pub struct DevconfigT {
pub path: [libc::c_char; GPS_PATH_MAX],
pub flags: libc::c_int,
pub driver: [libc::c_char; 64],
pub subtype: [libc::c_char; 64],
pub activated: libc::c_double,
pub baudrate: libc::c_uint,
pub stopbits: libc::c_uint,
pub parity: libc::c_char,
pub cycle: libc::c_double,
pub mincycle: libc::c_double,
pub driver_mode: libc::c_int,
}
impl Default for DevconfigT {
fn default() -> DevconfigT {
DevconfigT {
path: [0; GPS_PATH_MAX],
flags: Default::default(),
driver: [0; 64],
subtype: [0; 64],
activated: Default::default(),
baudrate: Default::default(),
stopbits: Default::default(),
parity: Default::default(),
cycle: Default::default(),
mincycle: Default::default(),
driver_mode: Default::default(),
}
}
}
#[repr(C)]
#[derive(Default)]
pub struct GPSFixT {
pub time: TimestampT,
pub mode: libc::c_int,
pub ept: libc::c_double,
pub latitude: Latitude,
pub epy: libc::c_double,
pub longitude: Longitude,
pub epx: libc::c_double,
pub altitude: libc::c_double,
pub epv: libc::c_double,
pub track: libc::c_double,
pub epd: libc::c_double,
pub speed: libc::c_double,
pub eps: libc::c_double,
pub climb: libc::c_double,
pub epc: libc::c_double,
}
impl fmt::Display for GPSFixT {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f,
"\nGPSFIX \n \
Time {}\n \
Mode {}\n \
Ept {}\n \
Lat {}\n \
Epy {}\n \
Lon {}\n \
Epx {}\n \
Altitude {}\n \
Epv {}\n \
Track {}\n \
Epd {}\n \
Speed {}"
,
self.time,
self.mode,
self.ept,
self.latitude,
self.epy,
self.longitude,
self.epx,
self.altitude,
self.epv,
self.track,
self.epd,
self.speed
)
}
}
#[repr(C)]
pub struct PolicyT {
pub watcher: bool,
pub json: bool,
pub nmea: bool,
pub raw: libc::c_int,
pub scaled: bool,
pub timing: bool,
pub split24: bool,
pub pps: bool,
pub loglevel: u8,
pub devpath: [libc::c_char; GPS_PATH_MAX],
pub remote: [libc::c_char; GPS_PATH_MAX],
}
impl Default for PolicyT {
fn default() -> PolicyT {
PolicyT {
watcher: Default::default(),
json: Default::default(),
nmea: Default::default(),
raw: Default::default(),
scaled: Default::default(),
timing: Default::default(),
split24: Default::default(),
pps: Default::default(),
loglevel: Default::default(),
devpath: [0; GPS_PATH_MAX],
remote: [0; GPS_PATH_MAX],
}
}
}
#[derive(Clone, Copy)]
#[repr(C)]
pub struct SatelliteT {
pub ss: libc::c_double,
pub used: bool,
pub prn: libc::c_short,
pub elevation: libc::c_short,
pub azimuth: libc::c_short,
}
impl Default for SatelliteT {
fn default() -> SatelliteT {
SatelliteT {
ss: Default::default(),
used: Default::default(),
prn: Default::default(),
elevation: Default::default(),
azimuth: Default::default(),
}
}
}
#[repr(C)]
pub struct GPSDataT {
pub set: GPSMaskT,
pub online: TimestampT,
pub gps_fd: SocketT,
pub fix: GPSFixT,
pub separation: libc::c_double,
pub status: libc::c_int ,
pub satellites_used: libc::c_int ,
pub dop: DopT,
pub epe: libc::c_double,
pub skyview_time: TimestampT,
pub satellites_visible: libc::c_int,
pub skyview: [SatelliteT; MAXCHANNELS],
pub dev: DevconfigT,
pub policy: PolicyT,
pub devices: Devices,
pub union_never_reported: [libc::c_int; 1418],
pub privdata: *mut libc::c_void,
}
impl Default for GPSDataT {
fn default() -> GPSDataT {
GPSDataT {
set: Default::default(),
online: Default::default(),
gps_fd: Default::default(),
fix: Default::default(),
separation: Default::default(),
status: Default::default(),
satellites_used: Default::default(),
dop: Default::default(),
epe: Default::default(),
skyview_time: Default::default(),
satellites_visible: Default::default(),
skyview: [Default::default(); MAXCHANNELS],
dev: Default::default(),
policy: Default::default(),
devices: Default::default(),
union_never_reported: [Default::default(); 1418],
privdata: ptr::null_mut(),
}
}
}
impl fmt::Display for GPSDataT {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f,
"\nGPSDATAT \n \
Set {}\n \
Online {}\n \n\
Fix {}\n \n \
Separation {}\n \
Status {}\n \
SatellitesUsed {}\n \
Epe {}\n \
SkyviewTime {}\n \
SatellitesVisible {}\n",
self.set,
self.online,
self.fix,
self.separation,
self.status,
self.satellites_used,
self.epe,
self.skyview_time,
self.satellites_visible,
)
}
}
#[repr(C)]
#[derive(Default)]
pub struct Devices {
pub time: TimestampT,
pub ndevices: libc::c_int,
pub list: [DevconfigT; MAXUSERDEVS],
}
#[link(name = "gps")]
extern "C" {
pub fn gps_sock_open(host: *const libc::c_char, port: *const libc::c_char, gpsDataT: *mut GPSDataT) -> libc::c_int;
pub fn gps_sock_close(gpsdata: *mut GPSDataT) -> libc::c_int;
pub fn gps_sock_send(gpsdata: *mut GPSDataT, buf: *const libc::c_char) -> libc::c_int;
pub fn gps_sock_read(gpsdata: *mut GPSDataT) -> libc::c_int;
pub fn gps_sock_waiting(gpsdata: *const GPSDataT, timeout: i64) -> bool;
pub fn gps_sock_stream(gpsdata: *mut GPSDataT, flags: libc::c_int, d: *mut libc::c_void) -> libc::c_int;
pub fn gps_sock_data(gpsdata: *const GPSDataT) -> libc::c_char;
pub fn gps_sock_mainloop(GPSDataT: *mut GPSDataT,
timeout: libc::c_int,
hook: extern "C" fn (*mut GPSDataT)) -> libc::c_int;
pub fn gps_shm_open(gpsdata: *mut GPSDataT) -> libc::c_int;
pub fn gps_shm_close(gpsdata: *mut GPSDataT);
pub fn gps_shm_waiting(gpsdata: *const GPSDataT, timeout: libc::c_long) -> bool;
pub fn gps_shm_read(gpsdata: *mut GPSDataT) -> libc::c_int;
pub fn gps_dbus_open(gpsdata: *mut GPSDataT) -> libc::c_int;
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
unsafe {
use GPSDataT;
use GPSFixT;
use DopT;
use DevconfigT;
use PolicyT;
use GPSMaskT;
use TimestampT;
use SocketT;
use Devices;
use gps_sock_open;
use gps_sock_mainloop;
use gps_sock_stream;
use gps_sock_close;
use WATCH_JSON;
use WATCH_ENABLE;
use std::ffi::CString;
use std::ptr;
use std::mem;
let mut gps_data: GPSDataT = Default::default();
let ip = CString::new("127.0.0.1").expect("Invalid IP");
let port = CString::new("2947").expect("Invalid Port");
println!("GPSDataT Size {}", mem::size_of::<GPSDataT>());
println!("GpsFixT Size {}", mem::size_of::<GPSFixT>());
println!("DopT Size {}", mem::size_of::<DopT>());
println!("DevconfigT Size {}", mem::size_of::<DevconfigT>());
println!("PolicyT Size {}", mem::size_of::<PolicyT>());
println!("GPSMaskT Size {}", mem::size_of::<GPSMaskT>());
println!("TimestampT Size {}", mem::size_of::<TimestampT>());
println!("SocketT Size {}", mem::size_of::<SocketT>());
println!("Devices Size {}", mem::size_of::<Devices>());
extern "C" fn print_gps(gps_data: *mut GPSDataT) {
unsafe {
println!("Timestamp {}", (*gps_data).fix.time);
println!("{}", (*gps_data));
println!("{}", (*gps_data).fix);
}
}
println!("Running now");
let openres = gps_sock_open(ip.as_ptr(), port.as_ptr(), &mut gps_data);
println!("Open Result {}", openres);
let sockres = gps_sock_stream(&mut gps_data, WATCH_ENABLE | WATCH_JSON, ptr::null_mut());
println!("Socket Result {}", sockres);
let mainres = gps_sock_mainloop(&mut gps_data, 20000, print_gps);
println!("Main Result {}", mainres);
let closeres = gps_sock_close(&mut gps_data);
println!("Close Result {}", closeres);
}
}
}