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/*
* rhctl
*
* Copyright (C) 2009-2014 Christian Pointner <equinox@helsinki.at>
*
* This file is part of rhctl.
*
* rhctl is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* rhctl is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rhctl. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <unistd.h>
#include "client_list.h"
#include "datatypes.h"
char* client_type_tostring(client_type_t type)
{
switch(type)
{
case MASTER: return "master";
case STANDBY: return "standby";
case HB_MASTER: return "hb_master";
case HB_STANDBY: return "hb_standby";
case DEFAULT: return "unspecified";
}
return "<invalid>";
}
client_t* client_get_last(client_t* first)
{
if(!first)
return NULL;
while(first->next) {
first = first->next;
}
return first;
}
int client_add(client_t** first, int fd)
{
if(!first)
return -1;
client_t* new_client = malloc(sizeof(client_t));
if(!new_client)
return -2;
new_client->fd = fd;
new_client->type = DEFAULT;
new_client->request_listener = 0;
new_client->mode_listener = 0;
new_client->status_listener = 0;
new_client->gpi_listener = 0;
new_client->oc_listener = 0;
new_client->relay_listener = 0;
new_client->silence_listener = 0;
new_client->next = NULL;
new_client->buffer.offset = 0;
if(!(*first)) {
*first = new_client;
return 0;
}
client_get_last(*first)->next = new_client;
return 0;
}
void client_remove(client_t** first, int fd)
{
if(!first || !(*first))
return;
client_t* deletee = *first;
if((*first)->fd == fd) {
*first = (*first)->next;
close(deletee->fd);
free(deletee);
return;
}
client_t* prev = deletee;
deletee = deletee->next;
while(deletee) {
if(deletee->fd == fd) {
prev->next = deletee->next;
close(deletee->fd);
free(deletee);
return;
}
prev = deletee;
deletee = deletee->next;
}
}
client_t* client_find(client_t* first, int fd)
{
if(!first)
return NULL;
while(first) {
if(first->fd == fd)
return first;
first = first->next;
}
return NULL;
}
void client_clear(client_t** first)
{
if(!first || !(*first))
return;
while(*first) {
client_t* deletee = *first;
*first = (*first)->next;
close(deletee->fd);
free(deletee);
}
}
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