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UDPClient.c
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UDPClient.c
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//UDPClient.c
/*
* gcc -o client UDPClient.c
* ./client <server-ip>
*/
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "duckchat.h"
#define BUFLEN 64 //changed this from 512
#define PORT 8089
void err(char *s)
{
perror(s);
exit(1);
}
int main(int argc, char** argv)
{
struct sockaddr_in serv_addr;
int sockfd, i, slen=sizeof(serv_addr);
char buf[BUFLEN];
//adding struct
struct request_say message;
if(argc != 2)
{
printf("Usage : %s <Server-IP>\n",argv[0]);
exit(0);
}
if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP))==-1)
err("socket");
bzero(&serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(PORT);
if (inet_aton(argv[1], &serv_addr.sin_addr)==0)
{
fprintf(stderr, "inet_aton() failed\n");
exit(1);
}
while(1)
{
printf("\nEnter data to send(Type exit and press enter to exit) : ");
scanf("%[^\n]",buf);
getchar();
if(strcmp(buf,"exit") == 0)
exit(0);
//adding struct
printf("before set\n");
message.req_type = REQ_SAY;
printf("before strcpy\n");
strcpy(message.req_channel, "default\n");
strcpy(message.req_text, buf);
//if (sendto(sockfd, buf, BUFLEN, 0, (struct
printf("attempting to send message\n");
if (sendto(sockfd, &message, sizeof(message), 0, (struct
sockaddr*)&serv_addr, slen)==-1)
err("sendto()");
}
close(sockfd);
return 0;
}
//</server-ip>