96 lines
No EOL
2.5 KiB
C++
96 lines
No EOL
2.5 KiB
C++
#include "client.h"
|
|
|
|
#include <iostream>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include <netdb.h>
|
|
|
|
#include "net.h"
|
|
|
|
int runClient(int argc, char* argv[])
|
|
{
|
|
int sockfd; // socket File descriptor
|
|
int portno; // Port number
|
|
int n = 0; // return value for read and write calls
|
|
|
|
struct sockaddr_in serv_addr; // Server address
|
|
|
|
struct hostent *server; // pointer to host information
|
|
|
|
char buffer[1028]; // buffer for socked read
|
|
memset(buffer,0,sizeof(buffer));
|
|
|
|
// must provide information
|
|
if (argc < 2)
|
|
{
|
|
fprintf(stderr,"usage %s hostname\n", argv[0]);
|
|
exit(0);
|
|
}
|
|
|
|
// Get port number
|
|
portno = TTRTS_PORT;
|
|
|
|
// Create a new socket
|
|
// AF_INET is general internetsocked domain
|
|
// SOCK_STREAM as messages will be read in on this socket, SOCK_DGRAM would be for packets
|
|
// 0 is for default protocol
|
|
sockfd = socket(AF_INET, SOCK_STREAM, 0);
|
|
if (sockfd < 0)
|
|
error("ERROR opening socket");
|
|
|
|
// Get the hostent information for the host by name
|
|
server = gethostbyname(argv[1]);
|
|
if (server == NULL)
|
|
error("ERROR, no such host");
|
|
|
|
std::cout<<"Connecting to "<<argv[1]<<std::endl;
|
|
|
|
// Empty the server address struct
|
|
memset(&serv_addr,0, sizeof(serv_addr));
|
|
|
|
// Set the server to AF_INET
|
|
serv_addr.sin_family = AF_INET;
|
|
|
|
// copy the server address into our server_addr struct
|
|
memcpy(&serv_addr.sin_addr.s_addr, server->h_addr, server->h_length);
|
|
|
|
// Set our server address port to the port number provided
|
|
serv_addr.sin_port = htons(portno);
|
|
|
|
// Attempt to connect to the server using the socket and server address info
|
|
if (connect(sockfd, (const sockaddr*)&serv_addr, sizeof(serv_addr)) < 0)
|
|
error("ERROR connecting");
|
|
|
|
while ( n >= 0 )
|
|
{
|
|
memset(buffer,0,sizeof(buffer));
|
|
|
|
// Receive gamestate
|
|
if (read(sockfd,buffer,sizeof(buffer)-1) < 0)
|
|
error("ERROR reading from client");
|
|
|
|
std::cout<<buffer<<std::endl;
|
|
|
|
// Output orders
|
|
memset(buffer,0,sizeof(buffer));
|
|
strcpy(buffer, "ORDER:F id:1\nEND");
|
|
|
|
// Place a test message into the buffer
|
|
strncpy(buffer,buffer,sizeof(buffer));
|
|
|
|
// Write to the socket with the buffer
|
|
n = write(sockfd,buffer,strlen(buffer));
|
|
if (n < 0)
|
|
error("ERROR writing to socket");
|
|
}
|
|
|
|
return 0;
|
|
} |