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#include <stdio.h>
#include <string.h>
#include "rooms.hpp"
#include "chat.hpp"
// hash of commands:
#define CMD_NAME 210647350421
#define CMD_CREATE 229394553991880
const int cmd_num = 2;
const char *commands[cmd_num] = {
"/name",
"/create"
// /rooms - print all public rooms
};
char **ParseCommand(const char *input, int &arrc);
unsigned long hash(const char *str);
ChatRoom::~ChatRoom()
{
while(first) {
item *tmp = first;
first = first->next;
the_server->CloseConnection(tmp->s);
delete tmp;
}
}
void ChatRoom::SendAll(const char *msg, ChatSession *except)
{
CONSOLE_LOG("Send message all: %s\n", msg);
item *p;
for(p = first; p; p = p->next)
if(p->s != except)
p->s->Send(msg);
}
void ChatRoom::LeaveMessage(ChatSession *except)
{
if(it_lobby)
return;
const char left_msg[] = " has left the chat";
const char *name = except->GetName();
int len = strlen(name);
char *lmsg = new char[len + sizeof(left_msg) + 2];
sprintf(lmsg, "%s%s\n", name, left_msg);
this->SendAll(lmsg, except);
delete[] lmsg;
}
void ChatRoom::HandleMessage(ChatSession *ses, const char *str)
{
if(str[0] == '/') { // if user sent a command
int argc = 0;
char **argv = 0;
argv = ParseCommand(str, argc);
this->HandleCommand(ses, argc, argv);
}
else if(!it_lobby) {
char *msg = new char[max_msg_len];
sprintf(msg, "%s: %s\n", ses->GetName(), str);
this->SendAll(msg);
delete[] msg;
}
}
void ChatRoom::HandleCommand(ChatSession *s, int cmd_counter,
char **commands)
{
unsigned long cmd = -1;
cmd = hash(commands[0]);
switch(cmd)
{
case CMD_NAME: {
if(!it_lobby) {
s->Send("You can use this command only in lobby\n");
break;
}
if(cmd_counter == 1) {
s->Send("Usage: /name your_good_name\n");
break;
}
int len = strlen(commands[1]);
if(len > max_name_len || len < 3) {
s->Send("Incorrect name. Name length from 3 to 18 chars\n");
break;
}
s->ChangeName(commands[1]);
break;
}
case CMD_CREATE: {
if(!it_lobby) {
s->Send("You can use this command only in lobby\n");
break;
}
if(!s->GetName()) {
s->Send("Before you can use this command, use /name\n");
break;
}
//int id = the_s->AddRoom();
//the_s->AddSessionToRoom(s, id);
break;
}
default: {
s->Send("Unknown command. Use: /help\n");
break;
}
}
}
void ChatRoom::AddSession(ChatSession *ses)
{
item *p = new item;
p->next = first;
p->s = ses;
first = p;
}
void ChatRoom::RemoveSession(ChatSession *ses)
{
item **p;
for(p = &first; *p; p = &((*p)->next)) {
if( ((*p)->s) == ses ) {
item *tmp = *p;
*p = tmp->next;
// not delete ChatSession!
delete tmp;
return;
}
}
}
void ChatRoom::CloseSession(ChatSession *ses)
{
this->RemoveSession(ses);
the_server->CloseConnection(ses);
}
//////////////////////////////////////////////////////////////
char **ParseCommand(const char *input, int &arrc)
{
int max_argv = 5;
arrc = 0;
char **arr = new char*[max_argv];
int start = 0;
for(int i = 0; i < (int) strlen(input)+1; i++) {
if(input[i] == ' ' || input[i] == '\0' || input[i] == '\n') { // end
if(start == -1)
continue;
int size = i - start;
arr[arrc] = new char[size];
memcpy(arr[arrc], input + start, sizeof(char) * size);
start = -1;
arrc++;
if(arrc == max_argv)
break;
}
else if(start == -1)
start = i;
}
return arr;
}
unsigned long hash(const char *str)
{
unsigned long hash = 5381;
char c;
while( (c = *str++) )
hash = ((hash << 5) + hash) + c;
return hash;
}
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