55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* This file is part of the Owl Positioning System (OwlPS).
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* OwlPS is a project of the University of Franche-Comté
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* (Université de Franche-Comté), France.
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*
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* This is the main source file of OwlPS ResultReader-UDP, a simple
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* program demonstrating the use of libowlps-resultreader-udp.
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* The received results are printed on the standard output.
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*
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* This program must be linked against libowlps and its dependencies
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* (see the Makefile).
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*/
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#include "owlps-resultreader.h"
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#include <signal.h>
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#include <unistd.h>
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int main(void)
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{
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struct sigaction action ; // Signal handler structure
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owl_result *result ;
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int sockfd ;
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/* Set up signal handlers */
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action.sa_flags = 0 ;
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sigemptyset(&action.sa_mask) ;
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action.sa_handler = owl_sigint_handler ;
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sigaction(SIGINT, &action, NULL) ;
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action.sa_handler = owl_sigterm_handler ;
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sigaction(SIGTERM, &action, NULL) ;
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/* Open the socket */
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sockfd = owl_create_udp_listening_socket(OWL_DEFAULT_RESULT_PORT) ;
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if (sockfd < 0)
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return 1 ;
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/* Read loop */
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owl_run = owl_true ;
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while (owl_run)
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{
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if (! (result = owl_receive_position(sockfd)))
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return 1 ;
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owl_print_result(result) ;
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owl_free_result(result) ;
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printf("--------------\n") ;
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}
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/* Cleaning */
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close(sockfd) ;
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return 0 ;
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}
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