forked from Mirrors/freeswitch
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/select.h>
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#include "tpl.h"
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#define DEBUG 0
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int num_tpls = 0, sum_tpls = 0;
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int tpl_cb(void *tpl, size_t tpllen, void*data) {
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int i;
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tpl_node *tn;
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if (DEBUG) printf("obtained tpl of length %d\n", (int)tpllen);
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tn = tpl_map("A(i)", &i);
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tpl_load(tn, TPL_MEM, tpl, tpllen);
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num_tpls++;
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while (tpl_unpack(tn,1) > 0) sum_tpls += i;
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tpl_free(tn);
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return 0;
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}
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int main() {
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FILE *f1,*f2;
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int fdflags,fd,fd1,fd2;
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int selrc, maxfd;
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tpl_gather_t *gs1=NULL,*gs2=NULL,**gs;
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struct timeval tv;
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fd_set rset;
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f1 = popen("cat test26_0.tpl;sleep 1; cat test26_1.tpl", "r");
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fd1 = fileno(f1);
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fdflags = fcntl(fd1, F_GETFL, 0);
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fcntl( fd1, F_SETFL, fdflags | O_NONBLOCK);
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f2 = popen("cat test26_2.tpl;sleep 1; cat test26_3.tpl", "r");
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fd2 = fileno(f2);
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fdflags = fcntl(fd2, F_GETFL, 0);
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fcntl( fd2, F_SETFL, fdflags | O_NONBLOCK);
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while (1) {
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FD_ZERO( &rset );
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if (fd1 >= 0) FD_SET( fd1, &rset );
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if (fd2 >= 0) FD_SET( fd2, &rset );
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if (fd1 == -1 && fd2 == -1) {
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printf("%d tpls gathered.\n",num_tpls);
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printf("%d is their sum.\n",sum_tpls);
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return(0);
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}
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maxfd=0;
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if (fd1>maxfd) maxfd = fd1;
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if (fd2>maxfd) maxfd = fd2;
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tv.tv_sec = 5;
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tv.tv_usec = 0;
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selrc = select(maxfd+1, &rset, NULL, NULL, &tv );
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if (selrc == -1) {
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perror("select()");
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} else if (selrc) {
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for(fd=0;fd<maxfd+1;fd++) {
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if ( FD_ISSET(fd, &rset) ) {
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if (DEBUG) printf("fd %d readable\n", fd);
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gs = (fd1 == fd) ? &gs1 : &gs2;
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if (tpl_gather(TPL_GATHER_NONBLOCKING,fd,gs,tpl_cb,NULL) <= 0) {
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if (fd1 == fd) {pclose(f1); fd1 = -1; }
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if (fd2 == fd) {pclose(f2); fd2 = -1; }
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} else {
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if (DEBUG) printf("tpl_gather >0\n");
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}
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}
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}
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} else {
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if (DEBUG) printf("timeout\n");
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}
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}
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return(0);
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}
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