102 lines
1.9 KiB
C
102 lines
1.9 KiB
C
/*
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* BURPMSG.C
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/select.h>
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#include <unistd.h>
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#include "laserblast.h"
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#include "burpmsg.h"
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/* ------------------------------------------------------------------- */
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int display_burp_msg(BurpMsg *header, void *data)
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{
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char *txt_type;
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if (BURP_MAGIC != header->magic) {
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fprintf(stderr, "burpmsg at %p : invalid magic %08X\n",
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header, header->magic);
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return -1;
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}
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txt_type = "wtf?"; /* nice default value */
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switch(header->msgtype) {
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case BURP_RESET:
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txt_type = "reset";
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break;
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case BURP_SETSIZE:
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txt_type = "setsize";
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break;
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case BURP_LASER:
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txt_type = "laser";
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break;
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case BURP_SCENE:
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txt_type = "scene";
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break;
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case BURP_TEXTE:
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txt_type = "texte";
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break;
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default:
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fprintf(stderr, "burpmsg at %p : invalid msgtype %d\n",
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header, header->msgtype);
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return -1;
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}
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fprintf(stderr, "type %4d/%-8s serial %9d szdata %3d\n",
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header->msgtype, txt_type, header->serial, header->szdata);
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return 0;
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}
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/* ------------------------------------------------------------------- */
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void la_grande_boucle( int fromfifo )
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{
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struct timeval tv;
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fd_set fds;
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int resval, foo;
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BurpMsg message;
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for(;;) { /* start of infinite loop */
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FD_ZERO(&fds);
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FD_SET(fromfifo, &fds);
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tv.tv_sec = 1;
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tv.tv_usec = 0;
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resval = select(1, &fds, NULL, NULL, &tv);
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if (-1 == resval) {
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perror("select()");
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/* ABORTING HERE ? */
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continue;
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}
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if (resval) {
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/* message available */
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foo = read(fromfifo, &message, sizeof(BurpMsg));
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if (sizeof(BurpMsg) != foo) {
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fprintf(stderr, "err: %d read, %lu expected\n",
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foo, sizeof(BurpMsg));
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}
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display_burp_msg(&message, NULL);
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/* read appended datas */
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}
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else {
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/* got a time out */
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fprintf(stderr, "TIMEOUT\n");
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}
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}
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/* NOT REACHED */
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}
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/* ------------------------------------------------------------------- */
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