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75 lines
1.1 KiB
75 lines
1.1 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define MAX_MSG_LEN 2048
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#define MAX_PROC 10
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int my_strlen(char *str)
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{
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int len;
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len = 0;
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while (str[len] != '\0')
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len++;
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return (len);
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}
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int main(void)
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{
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const int N = MAX_PROC;
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int fd[MAX_PROC][2];
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pid_t pid[MAX_PROC];
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int dest;
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char msg[MAX_MSG_LEN];
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char buf[MAX_MSG_LEN];
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int i;
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i = 0;
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dest = 0;
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while(i < N)
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{
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if(pipe(fd[i]) == -1)
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{
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perror("foirage du pipage");
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exit(EXIT_FAILURE);
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}
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pid[i] = fork();
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if (pid[i] == -1)
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{
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perror("foirage du forkage");
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exit(EXIT_FAILURE);
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}
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if(pid[i] == 0)
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{
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dup2(1, fd[i][1]);
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close(fd[i][1]);
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while(fgets(buf, MAX_MSG_LEN, stdin))
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{
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sscanf(buf, "%d %[^\n]", &dest, msg);
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printf("Processus %d a reçu: %s\n", dest, msg);
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}
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close(fd[i][0]);
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exit(0);
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}
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i++;
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}
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/*while(scanf("%d %[^\n]", &dest, msg) != EOF)
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{
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if(dest >= 0 && dest < N)
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{
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printf("Processus %d a reçu: %s\n", dest, msg);
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write(fd[dest][1], msg, my_strlen(msg) + 1);
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fsync(fd[dest]);
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}
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}*/
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i = 0;
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while(i < N)
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{
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close(fd[i][1]);
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i++;
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}
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return 0;
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}
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