uhub/src/commands.c

191 lines
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C
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2009-02-19 16:14:09 +00:00
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
*
* This program 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
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "uhub.h"
static int command_access_denied(struct user* user)
{
struct adc_message* command;
char* buffer = adc_msg_escape("Access denied.");
command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
static int command_stats(struct user* user, const char* message)
{
struct adc_message* command;
if (user->credentials < cred_super)
return command_access_denied(user);
char temp[128];
snprintf(temp, 128, "*** Stats: %zu users, peak: %zu. Network (up/down): %d/%d KB/s, peak: %d/%d KB/s",
user->hub->users->count,
user->hub->users->count_peak,
(int) user->hub->stats.net_tx / 1024,
(int) user->hub->stats.net_rx / 1024,
(int) user->hub->stats.net_tx_peak / 1024,
(int) user->hub->stats.net_rx_peak / 1024);
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char* buffer = adc_msg_escape(temp);
command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
static int command_help(struct user* user, const char* message)
{
struct adc_message* command;
char* buffer = adc_msg_escape(
"*** Available commands:\n"
"!help - Show this help message\n"
"!stats - Show hub stats (super)\n"
"!version - Show this help message\n"
"!uptime - Display hub uptime\n"
"!kick <user> - Kick user (operator)\n"
);
command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
static int command_uptime(struct user* user, const char* message)
{
struct adc_message* command;
char tmp[128];
size_t w;
size_t d;
size_t h;
size_t m;
size_t s;
size_t D = (size_t) difftime(time(0), user->hub->tm_started);
w = D / (7 * 24 * 3600);
D = D % (7 * 24 * 3600);
d = D / (24 * 3600);
D = D % (24 * 3600);
h = D / 3600;
D = D % 3600;
m = D / 60;
s = D % 60;
tmp[0] = 0;
strcat(tmp, "*** Uptime: ");
if (w)
{
strcat(tmp, uhub_itoa((int) w));
strcat(tmp, " week");
if (w != 1) strcat(tmp, "s");
strcat(tmp, ", ");
}
if (w || d)
{
strcat(tmp, uhub_itoa((int) d));
strcat(tmp, " day");
if (d != 1) strcat(tmp, "s");
strcat(tmp, ", ");
}
if (w || d || h)
{
strcat(tmp, uhub_itoa((int) h));
strcat(tmp, " hour");
if (h != 1) strcat(tmp, "s");
strcat(tmp, ", ");
}
if (w || d || h || m)
{
strcat(tmp, uhub_itoa((int) m));
strcat(tmp, " minute");
if (m != 1) strcat(tmp, "s");
strcat(tmp, ", and ");
}
strcat(tmp, uhub_itoa((int) s));
strcat(tmp, " second");
if (s != 1) strcat(tmp, "s");
strcat(tmp, ".");
char* buffer = adc_msg_escape(tmp);
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command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
static int command_kick(struct user* user, const char* message)
{
struct adc_message* command;
if (user->credentials < cred_operator)
return command_access_denied(user);
char* buffer = adc_msg_escape("*** Kick not implemented!");
command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
static int command_version(struct user* user, const char* message)
{
struct adc_message* command;
char* buffer = adc_msg_escape("*** Powered by " PRODUCT "/" VERSION);
command = adc_msg_construct(ADC_CMD_IMSG, strlen(buffer) + 6);
adc_msg_add_argument(command, buffer);
route_to_user(user, command);
adc_msg_free(command);
hub_free(buffer);
return 0;
}
int command_dipatcher(struct user* user, const char* message)
{
if (!strncmp(message, "!stats", 6)) command_stats(user, message);
else if (!strncmp(message, "!help", 5)) command_help(user, message);
else if (!strncmp(message, "!kick", 5)) command_kick(user, message);
else if (!strncmp(message, "!version", 8)) command_version(user, message);
else if (!strncmp(message, "!uptime", 7)) command_uptime(user, message);
else
return 1;
return 0;
}