void* communicate(void* ctrl_sock) {
int control_sock = *((int*)ctrl_sock);
struct sockaddr_in data_listen_addr, client_data_addr;
int sockaddrinlen = sizeof(data_listen_addr);
memset(&data_listen_addr, 0, sizeof(struct sockaddr_in));
memset(&client_data_addr, 0, sizeof(struct sockaddr_in));
int data_listen_sock = 0, data_sock = 0;
char recvbuffer[1024];
memset(recvbuffer, 0, sizeof(recvbuffer));
char sendbuffer[1024];
memset(sendbuffer, 0, sizeof(sendbuffer));
char* databuffer = (char*)malloc(sizeof(char) * DATABUFFERSIZE);
memset(databuffer, 0, sizeof(char) * DATABUFFERSIZE);
char working_dir[1024] = "/home/mengcz/ftpserver/";
sprintf(sendbuffer, "220 Hello\r\n");
write(control_sock, sendbuffer, strlen(sendbuffer));
char username[1024] = {0};
char passwd[1024] = {0};
recv_code(control_sock, recvbuffer, sizeof(recvbuffer));
sscanf(recvbuffer, "USER %s\r\n", username);
sprintf(sendbuffer, "331 Please specify the password.\r\n");
write(control_sock, sendbuffer, strlen(sendbuffer));
recv_code(control_sock, recvbuffer, sizeof(recvbuffer));
sscanf(recvbuffer, "PASS %s\r\n", passwd);
if (1) {
sprintf(sendbuffer, "230 Login successful.\r\n");
write(control_sock, sendbuffer, strlen(sendbuffer));
while (1) {
recv_code(control_sock, recvbuffer, sizeof(recvbuffer));
if (strcmp(recvbuffer, "PASV\r\n") == 0) {
data_listen_sock = socket(AF_INET, SOCK_STREAM, 0);
int templen = sizeof(data_listen_addr);
data_listen_addr.sin_family = AF_INET;
data_listen_addr.sin_addr.s_addr = INADDR_ANY;
bind(data_listen_sock, (struct sockaddr*)&data_listen_addr, sizeof(data_listen_addr));
listen(data_listen_sock, 5);
getsockname(data_listen_sock, (struct sockaddr*)&data_listen_addr, (socklen_t*)&templen);
int portnum = ntohs(data_listen_addr.sin_port);
sprintf(sendbuffer, "227 Entering Passive Mode (0,0,0,0,%d,%d).\r\n", (portnum >> 8), (portnum & ((1 << 8) - 1)));
write(control_sock, sendbuffer, strlen(sendbuffer));
data_sock = accept(data_listen_sock, (struct sockaddr*)&client_data_addr, (socklen_t*)&sockaddrinlen);
}
else if (recvbuffer == strstr(recvbuffer, "POST ")) {
void read_games_list(int fd){
char code;
gameID game_id = 0;
send_code(fd, LIST_GAMES_CODE);
while((code = recv_code(fd)) == SUCCESS_RESPONSE_CODE){
game_id = recv_game_id(fd);
fprintf(stdout, "%d \n", game_id);
}
if(code != END_OF_LIST_CODE)
fprintf(stdout, "Error during reading the list. \n");
}
void start_new_game(int fd){
char code;
gameID game_id;
send_code(fd,NEW_GAME_CODE);
code = recv_code(fd);
switch(code){
case SUCCESS_RESPONSE_CODE:
game_id = recv_game_id(fd);
fprintf(stdout, "New game's id: %d\n", game_id);
break;
default:
fprintf(stdout, "Error occured (errcode: %d)\n",code);
}
}
