Event-Loop-in-C/asyncproject/udp_client.c

#include <stdio.h>
#include <time.h>
#include <stdint.h>
#include "rt.h"
#include "network_utils.h"

int
main(int argc, char** argv) {

    if (argc != 7) {
        printf("Insufficient Argument\n");
        return 0;
    }

    char* dest_ip = argv[1];
    uint32_t dest_port_no = atoi(argv[2]);

    rt_table_entry_t rt_table_entry;

    memcpy(rt_table_entry.dest, argv[3], sizeof(rt_table_entry.dest));
    memcpy(rt_table_entry.oif, argv[4], sizeof(rt_table_entry.oif));
    memcpy(rt_table_entry.gw, argv[5], sizeof(rt_table_entry.gw));
    int msg_size = sizeof(uint32_t) + sizeof(rt_table_entry_t);
    uint32_t* msg_to_send = (uint32_t*)calloc(1, msg_size);
    *msg_to_send = atoi(argv[6]);
    memcpy((char*)(msg_to_send + 1), (char*)&rt_table_entry, sizeof(rt_table_entry_t));
    send_udp_msg(dest_ip, dest_port_no, (char*)msg_to_send, msg_size, -1);
    free(msg_to_send);
    return 0;
}