static void do_set_pos(context_t * ctx,const char * map, int x, int y, bool change_map)
{
context_set_map(ctx,map);
context_set_pos_tx(ctx,x);
context_set_pos_ty(ctx,y);
entry_write_string(CHARACTER_TABLE,ctx->id,map,CHARACTER_KEY_MAP,NULL);
entry_write_int(CHARACTER_TABLE,ctx->id,x,CHARACTER_KEY_POS_X,NULL);
entry_write_int(CHARACTER_TABLE,ctx->id,y,CHARACTER_KEY_POS_Y,NULL);
context_spread(ctx);
if( change_map == true ) {
context_request_other_context(ctx);
}
}
/*****************************
Kick a character out of the game
It does not disconnect it.
An NPC could re pop from an out of game state.
A player can go back in game after choosing a new character id
return -1 if fails
*****************************/
int character_out_of_game( const char * id)
{
context_t * ctx;
werr(LOGDEBUG,"Kicking %s out of the game",id);
ctx = context_find(id);
context_set_in_game(ctx,false);
context_spread(ctx);
if( context_is_npc(ctx) == true ) {
/* Wake up NPC */
if( SDL_TryLockMutex (ctx->cond_mutex) == 0 ) {
SDL_CondSignal (ctx->cond);
SDL_UnlockMutex (ctx->cond_mutex);
}
}
return 0;
}
/*****************************
Disconnect a character.
This kill a NPC AI thread
return -1 if fails
*****************************/
int character_disconnect(const char * id)
{
context_t * ctx;
werr(LOGDEVELOPER, "Disconnecting %s", id);
ctx = context_find(id);
context_set_in_game(ctx, false);
context_set_connected(ctx, false);
context_spread(ctx);
if (context_is_npc(ctx) == true)
{
/* Wake up NPC */
if (SDL_TryLockMutex(ctx->cond_mutex) == 0)
{
SDL_CondSignal(ctx->cond);
SDL_UnlockMutex(ctx->cond_mutex);
}
}
return 0;
}
/**************************************
Return RET_NOK on error
**************************************/
ret_code_t parse_incoming_data(context_t * context, Uint32 command, Uint32 command_size, char * data)
{
char * value = NULL;
char * fullname;
char * elements[512];
char * cksum;
int i;
char * user_name;
char * password;
if( !context_get_connected(context) && ( command != CMD_REQ_LOGIN && command != CMD_REQ_FILE) ) {
werr(LOGUSER,"Request from not authenticated client, close connection");
return RET_NOK;
}
switch(command) {
case CMD_REQ_LOGIN:
wlog(LOGDEBUG,"Received CMD_REQ_LOGIN");
user_name = _strsep(&data,NETWORK_DELIMITER);
password = _strsep(&data,NETWORK_DELIMITER);
if(entry_read_string(PASSWD_TABLE, user_name, &value, PASSWD_KEY_PASSWORD,NULL) == RET_NOK) {
return RET_NOK;
}
if( strcmp(value, password) != 0) {
free(value);
werr(LOGUSER,"Wrong login for %s",user_name);
// send answer
network_send_command(context, CMD_SEND_LOGIN_NOK, 0, NULL, false);
// force client disconnection
return RET_NOK;
} else {
free(value);
if( context_set_username(context, user_name) == RET_NOK ) {
return RET_NOK;
}
context_set_connected(context, true);
// send answer
network_send_command(context, CMD_SEND_LOGIN_OK, 0, NULL, false);
wlog(LOGUSER,"Login successful for user %s",context->user_name);
}
break;
case CMD_REQ_CHARACTER_LIST :
wlog(LOGDEBUG,"Received CMD_REQ_CHARACTER_LIST");
character_send_list(context);
wlog(LOGDEBUG,"character list sent");
break;
case CMD_REQ_FILE :
i = 0;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
while(elements[i]) {
i++;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
}
if(elements[0]==NULL || elements[1]==NULL) {
werr(LOGDEV,"Received erroneous CMD_REQ_FILE");
break;
}
wlog(LOGDEBUG,"Received CMD_REQ_FILE for %s",elements[0]);
/* compare checksum */
fullname = strconcat(base_directory,"/",elements[0],NULL);
cksum = checksum_file(fullname);
free(fullname);
if( cksum == NULL) {
werr(LOGUSER,"Required file %s doesn't exists",elements[0]);
break;
}
if( strcmp(elements[1],cksum) == 0 ) {
wlog(LOGDEBUG,"Client has already newest %s file",elements[0]);
free(cksum);
break;
}
free(cksum);
network_send_file(context,elements[0]);
wlog(LOGDEBUG,"File %s sent",elements[0]);
break;
case CMD_REQ_USER_CHARACTER_LIST :
wlog(LOGDEBUG,"Received CMD_REQ_USER_CHARACTER_LIST");
character_user_send_list(context);
wlog(LOGDEBUG,"user %s's character list sent",context->user_name);
break;
case CMD_REQ_START :
if( context->in_game == false ) {
context->id = strdup(data);
context->in_game = true;
context_update_from_file(context);
context_spread(context);
context_request_other_context(context);
}
wlog(LOGDEBUG,"Received CMD_REQ_START for %s /%s",context->user_name,context->id);
break;
case CMD_REQ_STOP :
wlog(LOGDEBUG,"Received CMD_REQ_STOP for %s /%s",context->user_name,context->id);
if( context->in_game == true ) {
context->in_game = false;
if( context->map ) {
free(context->map);
}
context->map = NULL;
if( context->prev_map ) {
free(context->prev_map);
}
context->prev_map = NULL;
if( context->id ) {
free(context->id);
}
context->id = NULL;
context_spread(context);
}
break;
case CMD_REQ_ACTION :
i = 0;
elements[i] = NULL;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
while(elements[i]) {
i++;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
}
elements[i+1] = NULL;
wlog(LOGDEBUG,"Received CMD_REQ_ACTION %s from %s /%s",elements[0],context->user_name,context->character_name);
action_execute(context,elements[0],&elements[1]);
break;
default:
werr(LOGDEV,"Unknown request %d from client",command);
return RET_NOK;
}
return RET_OK;
}
