d4c8b657bf
Network stats are now updated every minute, so that we have them handy for printing in logs, or by issuing the !stats command. Note: this checkin disables the once-per-hour stats logging. I do not know wether or not that is useful functionality.
341 lines
11 KiB
C
341 lines
11 KiB
C
/*
|
|
* 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/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef HAVE_UHUB_HUB_H
|
|
#define HAVE_UHUB_HUB_H
|
|
|
|
enum status_message
|
|
{
|
|
status_msg_hub_full = -1, /* hub is full */
|
|
status_msg_hub_disabled = -2, /* hub is disabled */
|
|
status_msg_hub_registered_users_only = -3, /* hub is for registered users only */
|
|
status_msg_inf_error_nick_missing = -4, /* no nickname given */
|
|
status_msg_inf_error_nick_multiple = -5, /* multiple nicknames given */
|
|
status_msg_inf_error_nick_invalid = -6, /* generic/unkown */
|
|
status_msg_inf_error_nick_long = -7, /* nickname too long */
|
|
status_msg_inf_error_nick_short = -8, /* nickname too short */
|
|
status_msg_inf_error_nick_spaces = -9, /* nickname cannot start with spaces */
|
|
status_msg_inf_error_nick_bad_chars = -10, /* nickname contains chars below ascii 32 */
|
|
status_msg_inf_error_nick_not_utf8 = -11, /* nickname is not valid utf8 */
|
|
status_msg_inf_error_nick_taken = -12, /* nickname is in use */
|
|
status_msg_inf_error_nick_restricted = -13, /* nickname cannot be used on this hub */
|
|
status_msg_inf_error_cid_invalid = -14, /* CID is not valid (generic error) */
|
|
status_msg_inf_error_cid_missing = -15, /* CID is not specified */
|
|
status_msg_inf_error_cid_taken = -16, /* CID is taken (already logged in?). */
|
|
status_msg_inf_error_pid_missing = -17, /* PID is not specified */
|
|
status_msg_inf_error_pid_invalid = -18, /* PID is invalid */
|
|
status_msg_ban_permanently = -19, /* Banned permanently */
|
|
status_msg_ban_temporarily = -20, /* Banned temporarily */
|
|
status_msg_auth_invalid_password = -21, /* Password is wrong */
|
|
status_msg_auth_user_not_found = -22, /* User not found in password database */
|
|
status_msg_error_no_memory = -23, /* Hub is out of memory */
|
|
|
|
status_msg_user_share_size_low = -40, /* User is not sharing enough. */
|
|
status_msg_user_share_size_high = -41, /* User is sharing too much. */
|
|
status_msg_user_slots_low = -42, /* User has too few slots open. */
|
|
status_msg_user_slots_high = -43, /* User has too many slots open. */
|
|
status_msg_user_hub_limit_low = -44, /* Use is on too few hubs. */
|
|
status_msg_user_hub_limit_high = -45, /* Use is on too many hubs. */
|
|
|
|
};
|
|
|
|
|
|
enum hub_state
|
|
{
|
|
hub_status_uninitialized = 0, /**<<<"Hub is uninitialized" */
|
|
hub_status_running = 1, /**<<<"Hub is running (normal operation)" */
|
|
hub_status_restart = 2, /**<<<"Hub is restarting (re-reading configuration, etc)" */
|
|
hub_status_shutdown = 3, /**<<<"Hub is shutting down, but not yet stopped. */
|
|
hub_status_stopped = 4, /**<<<"Hub is stopped (Pretty much the same as initialized) */
|
|
hub_status_disabled = 5, /**<<<"Hub is disabled (Running, but not accepting users) */
|
|
};
|
|
|
|
/**
|
|
* Always updated each minute.
|
|
*/
|
|
struct hub_stats
|
|
{
|
|
size_t net_tx;
|
|
size_t net_rx;
|
|
size_t net_tx_peak;
|
|
size_t net_rx_peak;
|
|
size_t net_tx_total;
|
|
size_t net_rx_total;
|
|
};
|
|
|
|
struct hub_info
|
|
{
|
|
int fd_tcp;
|
|
#ifdef ADC_UDP_OPERATION
|
|
int fd_udp;
|
|
#endif
|
|
struct event ev_accept;
|
|
struct event ev_timer;
|
|
#ifdef ADC_UDP_OPERATION
|
|
struct event ev_datagram;
|
|
#endif
|
|
struct hub_stats stats;
|
|
struct event_queue* queue;
|
|
struct hub_config* config;
|
|
struct user_manager* users;
|
|
struct acl_handle* acl;
|
|
struct adc_message* command_info; /* The hub's INF command */
|
|
struct adc_message* command_support; /* The hub's SUP command */
|
|
struct adc_message* command_motd; /* The message of the day */
|
|
struct adc_message* command_banner; /* The default welcome message */
|
|
time_t tm_started;
|
|
int status;
|
|
#ifdef SSL_SUPPORT
|
|
SSL_METHOD* ssl_method;
|
|
SSL_CTX* ssl_ctx;
|
|
#endif /* SSL_SUPPORT */
|
|
};
|
|
|
|
/**
|
|
* This is the message pre-routing centre.
|
|
*
|
|
* Any message coming in to the hub comes through here first,
|
|
* and will be routed further if valid.
|
|
*
|
|
* @return 0 on success, -1 on error
|
|
*/
|
|
extern int hub_handle_message(struct user* u, const char* message, size_t length);
|
|
|
|
/**
|
|
* Handle protocol support/subscription messages received clients.
|
|
*
|
|
* @return 0 on success, -1 on error
|
|
*/
|
|
extern int hub_handle_support(struct user* u, struct adc_message* cmd);
|
|
|
|
/**
|
|
* Handle password messages received from clients.
|
|
*
|
|
* @return 0 on success, -1 on error
|
|
*/
|
|
extern int hub_handle_password(struct user* u, struct adc_message* cmd);
|
|
|
|
/**
|
|
* Handle chat messages received from clients.
|
|
* @return 0 on success, -1 on error.
|
|
*/
|
|
extern int hub_handle_chat_message(struct user* u, struct adc_message* cmd);
|
|
|
|
/**
|
|
* Used internally by hub_handle_info
|
|
* @return 1 if nickname is OK, or 0 if nickname is not accepted.
|
|
*/
|
|
extern int hub_handle_info_check_nick(struct user* u, struct adc_message* cmd);
|
|
|
|
/**
|
|
* Used internally by hub_handle_info
|
|
* @return 1 if CID/PID is OK, or 0 if not valid.
|
|
*/
|
|
extern int hub_handle_info_check_cid(struct user* u, struct adc_message* cmd);
|
|
|
|
/**
|
|
* Can only be used by administrators or operators.
|
|
*
|
|
* @return 0 on success, -1 on error
|
|
*/
|
|
extern int hub_handle_kick(struct user* u, struct adc_message* cmd);
|
|
|
|
#ifdef ADC_UDP_OPERATION
|
|
/**
|
|
* Handle incoming autocheck message.
|
|
*/
|
|
extern int hub_handle_autocheck(struct user* u, struct adc_message* cmd);
|
|
#endif
|
|
|
|
/**
|
|
* Send the support line for the hub to a particular user.
|
|
* Only used during the initial handshake.
|
|
*/
|
|
extern void hub_send_support(struct user* u);
|
|
|
|
/**
|
|
* Send a message assigning a SID for a user.
|
|
* This is only sent after hub_send_support() during initial handshake.
|
|
*/
|
|
extern void hub_send_sid(struct user* u);
|
|
|
|
/**
|
|
* Send a 'ping' message to user.
|
|
*/
|
|
extern void hub_send_ping(struct user* user);
|
|
|
|
/**
|
|
* Send a message containing hub information to a particular user.
|
|
* This is sent during user connection, but can safely be sent at any
|
|
* point later.
|
|
*/
|
|
extern void hub_send_hubinfo(struct user* u);
|
|
|
|
/**
|
|
* Send handshake. This basically calls
|
|
* hub_send_support() and hub_send_sid()
|
|
*/
|
|
extern void hub_send_handshake(struct user* u);
|
|
|
|
/**
|
|
* Send a welcome message containing the message of the day to
|
|
* one particular user. This can be sent in any point in time.
|
|
*/
|
|
extern void hub_send_motd(struct user* u);
|
|
|
|
/**
|
|
* Send a password challenge to a user.
|
|
* This is only used if the user tries to access the hub using a
|
|
* password protected nick name.
|
|
*/
|
|
extern void hub_send_password_challenge(struct user* u);
|
|
|
|
/**
|
|
* Send an autocheck message to a user.
|
|
* This is basically a UDP message. The user's client can then determine
|
|
* if UDP communication works by either hole punching or configuring UPnP.
|
|
*/
|
|
extern void hub_send_autocheck(struct user* u, uint16_t port, const char* token);
|
|
|
|
/**
|
|
* This starts the hub.
|
|
*/
|
|
extern struct hub_info* hub_start_service(struct hub_config* config);
|
|
|
|
/**
|
|
* This shuts down the hub.
|
|
*/
|
|
extern void hub_shutdown_service(struct hub_info* hub);
|
|
|
|
/**
|
|
* This configures the hub.
|
|
*/
|
|
extern void hub_set_variables(struct hub_info* hub, struct acl_handle* acl);
|
|
|
|
/**
|
|
* This frees the configuration of the hub.
|
|
*/
|
|
extern void hub_free_variables(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns a string for the given status_message (See enum status_message).
|
|
*/
|
|
extern const char* hub_get_status_message(struct hub_info* hub, enum status_message msg);
|
|
|
|
/**
|
|
* Sends a status_message to a user.
|
|
*/
|
|
extern void hub_send_status(struct user* user, enum status_message msg, enum msg_status_level level);
|
|
|
|
/**
|
|
* Returns the number of logged in users on the hub.
|
|
*/
|
|
extern size_t hub_get_user_count(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum number of allowed users on the hub.
|
|
*/
|
|
extern size_t hub_get_max_user_count(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the accumulated shared size for all logged in
|
|
* users on the hub.
|
|
*/
|
|
extern uint64_t hub_get_shared_size(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the accumulated number of files for all logged
|
|
* in users on the hub.
|
|
*/
|
|
extern uint64_t hub_get_shared_files(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the minimal share size limit as enforced by
|
|
* this hub's configuration.
|
|
*/
|
|
extern uint64_t hub_get_min_share(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the minimal share size limit as enforced by
|
|
* this hub's configuration.
|
|
*/
|
|
extern uint64_t hub_get_max_share(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the minimum upload slot limit as enforced by
|
|
* this hub's configuration.
|
|
* Users with fewer slots in total will not be allowed
|
|
* to enter the hub.
|
|
* @return limit or 0 if no limit.
|
|
*/
|
|
extern size_t hub_get_min_slots(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum upload slot limit as enforced by
|
|
* this hub's configuration.
|
|
* Users with more allowed upload slots will not be
|
|
* allowed to enter the hub.
|
|
* @return limit or 0 if no limit.
|
|
*/
|
|
extern size_t hub_get_max_slots(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum number of hubs a user can
|
|
* be logged in to simultaneously as a regular user (guest).
|
|
* Users on more hubs will not be allowed to stay on this hub.
|
|
* @return limit or 0 if no limit.
|
|
*/
|
|
extern size_t hub_get_max_hubs_user(struct hub_info* hub);
|
|
extern size_t hub_get_min_hubs_user(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum number of hubs a user can
|
|
* be logged in to simultaneously as a registered user (password required).
|
|
* Users on more hubs will not be allowed to stay on this hub.
|
|
* @return limit or 0 if no limit.
|
|
*/
|
|
extern size_t hub_get_max_hubs_reg(struct hub_info* hub);
|
|
extern size_t hub_get_min_hubs_reg(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum number of hubs a user can
|
|
* be logged in to simultaneously as an operator.
|
|
* Users who are operator on more than this amount of hubs
|
|
* will not be allowed to stay on this hub.
|
|
* @return limit or 0 if no limit.
|
|
*/
|
|
extern size_t hub_get_max_hubs_op(struct hub_info* hub);
|
|
extern size_t hub_get_min_hubs_op(struct hub_info* hub);
|
|
|
|
/**
|
|
* Returns the maximum number of hubs a user can
|
|
* be logged in to simultaneously regardless of the type of user.
|
|
*/
|
|
extern size_t hub_get_max_hubs_total(struct hub_info* hub);
|
|
|
|
/**
|
|
* Schedule runslice.
|
|
*/
|
|
extern void hub_schedule_runslice(struct hub_info* hub);
|
|
|
|
|
|
|
|
#endif /* HAVE_UHUB_HUB_H */
|
|
|