Attachment 151711 Details for Bug 219750 – A small C program to talk to gpsd using a socket.

A small C program to talk to gpsd using a socket.

gps-ctrl.c (text/plain), 1.96 KB, created by Mikkel L. Ellertson on 2007-04-04 20:44:33 UTC

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Creator: Mikkel L. Ellertson

Created: 2007-04-04 20:44:33 UTC

Size: 1.96 KB

patch

obsolete

>/****************************************************************************
>
>   This is a small program to talk to gpsd when using the control-socket option.
>
>    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; either version 2 of the License, or
>    (at your option) any later version.
>
>    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, write to the Free Software
>    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
>
> *************************************************************************** */
>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <sys/un.h>
>#include <stdio.h>
>#include <unistd.h>
>
>void	error(char *);
>void	exit(int);
>int	main(int argc, char *argv[]);
>
>int	main(int argc, char *argv[])
>{
>	int fd;
>	int sname_len, r_len;
>	struct sockaddr_un  gps_addr;
>	char buffer[82];
>
>	if (argc != 3)
>	{
>		fprintf(stderr, "usage %s <gpsd socket> <command>\n", argv[0]);
>		return 2;
>	}
>	if (strlen(argv[2]) >= sizeof(buffer))
>	{
>		fprintf(stderr, "Command too long.\n");
>		return 3;
>	}
>	bzero((char *)&gps_addr, sizeof(gps_addr));
>	gps_addr.sun_family = PF_LOCAL;
>	strcpy(gps_addr.sun_path, argv[1]);
>	sname_len = strlen(gps_addr.sun_path) + sizeof(gps_addr.sun_family);
>	if ((fd = socket(PF_LOCAL, SOCK_STREAM, 0)) < 0)
>	{
>		error("Creating socket");
>	}
>	if (connect(fd, (struct sockaddr *) &gps_addr, sname_len) < 0)
>	{
>		error("Connecting");
>	}
>	strcpy(buffer, argv[2]);
>	write(fd, buffer, strlen(buffer));
>	r_len = read(fd, buffer, 80);
>	buffer[r_len] = 0;
>	printf("%s\n", buffer);
>	return 0;
>}
>
>void	error(char *msg)
>{
>	perror(msg);
>	exit(1);
>}

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Attachments on bug 219750: 143734 | 149046 | 150680 | 151711 | 151712 | 151713 | 199961