#include<sys/socket.h>
#include<sys/types.h>
#include<unistd.h>
#include<stdlib.h>
#include<arpa/inet.h>
#include<netinet/in.h>
#include<stdio.h>
#include<string.h>
void send_data(int socketfd,struct sockaddr_in *addr,int len){
    int n = 0;
    char buffer[1024] = {0};
    FILE* src = fopen("log.txt","r");
    do{
        n = fread(buffer,sizeof(char),sizeof(buffer)-1,src);
        
        if(n>0){
            n = sendto(socketfd,buffer,n,0,(struct sockaddr *)addr,len);
        }
        memset(buffer,0,sizeof(1024));
    }while(n>0);
}


int main(int argc,char* argv[]){
    if(argc!=3){
        exit(EXIT_FAILURE);
    }
    int socketfd = socket(AF_INET,SOCK_DGRAM,0);
    if(socketfd<0){
        perror("error to socket");
        exit(EXIT_FAILURE);
    }
    struct sockaddr_in addr;
    memset(&addr,0,sizeof(addr));
    addr.sin_family = AF_INET;
    addr.sin_port = htons(atoi(argv[2]));
    addr.sin_addr.s_addr = inet_addr(argv[1]);
    send_data(socketfd,&addr,sizeof(addr));
    return 0;
}
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