inptodispatcher.cpp

send an input on a linux socket.

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>


#include <sys/msg.h>

#define MAX_TEXT 512

struct my_msg_st {
    long int my_msg_type;
    char some_text[MAX_TEXT];
};

int main()
{
    int running = 1;
    struct my_msg_st some_data;
    int msgid;
        char buffer[BUFSIZ];

msgid = msgget((key_t)1365, 0666 | IPC_CREAT);

    if (msgid == -1) {
        fprintf(stderr, "msgget failed with error: %d\n", msgid ), 
        exit(EXIT_FAILURE);
    }

    while(running) {
            printf("Enter some text: ");        
	    fgets(buffer, BUFSIZ, stdin);        
		some_data.my_msg_type = 1;        
		strcpy(some_data.some_text, buffer);

            if (msgsnd(msgid, (void *)&some_data, MAX_TEXT, 0) == -1) {
                fprintf(stderr, "msgsnd failed\n");
                exit(EXIT_FAILURE);        }
            if (strncmp(buffer, "end", 3) == 0) {
                running = 0;
            }
    } 

    exit(EXIT_SUCCESS);
}