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//! Enumeration of all the possible server responses.
#![allow(non_camel_case_types)]
use std::str::FromStr;
macro_rules! make_response {
($($(#[$attr:meta])+ $variant:ident = $value:expr),+) => {
/// List of all server responses as defined in
/// [RFC 2812](http://tools.ietf.org/html/rfc2812) and
/// [Modern docs](https://modern.ircdocs.horse/#numerics) (henceforth referred to as
/// Modern). All commands are documented with their expected form from the RFC, and any
/// useful, additional information about the response code.
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u16)]
pub enum Response {
$($(#[$attr])+ $variant = $value),+
}
impl Response {
/// Generates a Response from a u16.
fn from_u16(val: u16) -> Option<Response> {
match val {
$($value => Some(Response::$variant),)+
_ => None
}
}
}
}
}
make_response! {
// Expected replies
/// `001 Welcome to the Internet Relay Network <nick>!<user>@<host>` (Source: RFC2812)
RPL_WELCOME = 1,
/// `002 Your host is <servername>, running version <ver>` (Source: RFC2812)
RPL_YOURHOST = 2,
/// `003 This server was created <date>` (Source: RFC2812)
RPL_CREATED = 3,
/// `004 <servername> <version> <available user modes> <available channel modes>` (Source:
/// RFC2812)
///
/// Various IRCds may choose to include additional arguments to `RPL_MYINFO`, and it's best to
/// check for certain what the servers you're targeting do. Typically, there are additional
/// parameters at the end for modes that have parameters, and server modes.
RPL_MYINFO = 4,
/// `005 <servername> *(<feature>(=<value>)) :are supported by this server` (Source: Modern)
///
/// [RPL_ISUPPORT](https://modern.ircdocs.horse/#rplisupport-005) replaces RPL_BOUNCE from
/// RFC2812, but does so consistently in modern IRCd implementations. RPL_BOUNCE has been moved
/// to `010`.
RPL_ISUPPORT = 5,
/// `010 Try server <server name>, port <port number>` (Source: Modern)
RPL_BOUNCE = 10,
/// Undefined format. (Source: Modern)
///
/// RPL_NONE is a dummy numeric. It does not have a defined use nor format.
RPL_NONE = 300,
/// `302 :*1<reply> *( " " <reply> )` (Source: RFC2812)
RPL_USERHOST = 302,
/// `303 :*1<nick> *( " " <nick> )` (Source: RFC2812)
RPL_ISON = 303,
/// `301 <nick> :<away message>` (Source: RFC2812)
RPL_AWAY = 301,
/// `305 :You are no longer marked as being away` (Source: RFC2812)
RPL_UNAWAY = 305,
/// `306 :You have been marked as being away` (Source: RFC2812)
RPL_NOWAWAY = 306,
/// `311 <nick> <user> <host> * :<real name>` (Source: RFC2812)
RPL_WHOISUSER = 311,
/// `312 <nick> <server> :<server info>` (Source: RFC2812)
RPL_WHOISSERVER = 312,
/// `313 <nick> :is an IRC operator` (Source: RFC2812)
RPL_WHOISOPERATOR = 313,
/// `317 <nick> <integer> :seconds idle` (Source: RFC2812)
RPL_WHOISIDLE = 317,
/// `318 <nick> :End of WHOIS list` (Source: RFC2812)
RPL_ENDOFWHOIS = 318,
/// `319 <nick> :*( ( "@" / "+" ) <channel> " " )` (Source: RFC2812)
RPL_WHOISCHANNELS = 319,
/// `314 <nick> <user> <host> * :<real name>` (Source: RFC2812)
RPL_WHOWASUSER = 314,
/// `369 <nick> :End of WHOWAS` (Source: RFC2812)
RPL_ENDOFWHOWAS = 369,
/// Obsolete. Not used. (Source: RFC2812)
RPL_LISTSTART = 321,
/// `322 <channel> <# visible> :<topic>` (Source: RFC2812)
RPL_LIST = 322,
/// `323 :End of LIST (Source: RFC2812)
RPL_LISTEND = 323,
/// `325 <channel> <nickname>` (Source: RFC2812)
RPL_UNIQOPIS = 325,
/// `324 <channel> <mode> <mode params>` (Source: RFC2812)
RPL_CHANNELMODEIS = 324,
/// `331 <channel> :No topic is set` (Source: RFC2812)
RPL_NOTOPIC = 331,
/// `332 <channel> :<topic>` (Source: RFC2812)
RPL_TOPIC = 332,
/// `333 <channel> <nick>!<user>@<host> <unix timestamp>` (Source: RFC2812)
RPL_TOPICWHOTIME = 333,
/// `341 <channel> <nick>` (Source: RFC2812)
RPL_INVITING = 341,
/// `342 <user> :Summoning user to IRC` (Source: RFC2812)
///
/// According to Modern, this response is rarely implemented. In practice, people simply message
/// one another in a channel with their specified username in the message, rather than use the
/// `SUMMON` command.
RPL_SUMMONING = 342,
/// `346 <channel> <invitemask>` (Source: RFC2812)
RPL_INVITELIST = 346,
/// `347 <channel> :End of channel invite list` (Source: RFC2812)
///
/// According to Modern, `RPL_ENDOFEXCEPTLIST` (349) is frequently deployed for this same
/// purpose and the difference will be noted in channel mode and the statement in the suffix.
RPL_ENDOFINVITELIST = 347,
/// `348 <channel> <exceptionmask>` (Source: RFC2812)
RPL_EXCEPTLIST = 348,
/// `349 <channel> :End of channel exception list` (Source: RFC2812)
RPL_ENDOFEXCEPTLIST = 349,
/// `351 <version> <server> :<comments>` (Source: RFC2812/Modern)
RPL_VERSION = 351,
/// `352 <channel> <user> <host> <server> <nick> ( "H" / "G" > ["*"] [ ( "@" / "+" ) ]
/// :<hopcount> <real name>` (Source: RFC2812)
RPL_WHOREPLY = 352,
/// `315 <name> :End of WHO list` (Source: RFC2812)
RPL_ENDOFWHO = 315,
/// `353 ( "=" / "*" / "@" ) <channel> :[ "@" / "+" ] <nick> *( " " [ "@" / "+" ] <nick> )`
/// (Source: RFC2812)
RPL_NAMREPLY = 353,
/// `366 <channel> :End of NAMES list` (Source: RFC2812)
RPL_ENDOFNAMES = 366,
/// `364 <mask> <server> :<hopcount> <server info>` (Source: RFC2812)
RPL_LINKS = 364,
/// `365 <mask> :End of LINKS list` (Source: RFC2812)
RPL_ENDOFLINKS = 365,
/// `367 <channel> <banmask>` (Source: RFC2812)
RPL_BANLIST = 367,
/// `368 <channel> :End of channel ban list` (Source: RFC2812)
RPL_ENDOFBANLIST = 368,
/// `371 :<string>` (Source: RFC2812)
RPL_INFO = 371,
/// `374 :End of INFO list` (Source: RFC2812)
RPL_ENDOFINFO = 374,
/// `375 :- <server> Message of the day -` (Source: RFC2812)
RPL_MOTDSTART = 375,
/// `372 :- <text>` (Source: RFC2812)
RPL_MOTD = 372,
/// `376 :End of MOTD command` (Source: RFC2812)
RPL_ENDOFMOTD = 376,
/// `381 :You are now an IRC operator` (Source: RFC2812)
RPL_YOUREOPER = 381,
/// `382 <config file> :Rehashing` (Source: RFC2812)
RPL_REHASHING = 382,
/// `383 You are service <servicename>` (Source: RFC2812)
RPL_YOURESERVICE = 383,
/// `391 <server> :<string showing server's local time>` (Source: RFC2812)
RPL_TIME = 391,
/// `392 :UserID Terminal Host` (Source: RFC2812)
RPL_USERSSTART = 392,
/// `393 :<username> <ttyline> <hostname>` (Source: RFC2812)
RPL_USERS = 393,
/// `394 :End of users` (Source: RFC2812)
RPL_ENDOFUSERS = 394,
/// `395 :Nobody logged in` (Source: RFC2812)
RPL_NOUSERS = 395,
/// `396 <nickname> <host> :is now your displayed host` (Source: InspIRCd)
///
/// This response code is sent after a user enables the user mode +x (host masking), and it is
/// successfully enabled. The particular format described above is from InspIRCd, but the
/// response code should be common amongst servers that support host masks.
RPL_HOSTHIDDEN = 396,
/// `200 Link <version & debug level> <destination> <next server> V<protocol version>
/// <link uptime in seconds> <backstream sendq> <upstream sendq>` (Source: RFC2812)
RPL_TRACELINK = 200,
/// `201 Try. <class> <server>` (Source: RFC2812)
RPL_TRACECONNECTING = 201,
/// `202 H.S. <class> <server>` (Source: RFC2812)
RPL_TRACEHANDSHAKE = 202,
/// `203 ???? <class> [<client IP address in dot form>]` (Source: RFC2812)
RPL_TRACEUKNOWN = 203,
/// `204 Oper <class> <nick>` (Source: RFC2812)
RPL_TRACEOPERATOR = 204,
/// `205 User <class> <nick>` (Source: RFC2812)
RPL_TRACEUSER = 205,
/// `206 Serv <class> <int>S <int>C <server> <nick!user|*!*>@<host|server> V<protocol version>`
/// (Source: RFC2812)
RPL_TRACESERVER = 206,
/// `207 Service <class> <name> <type> <active type>` (Source: RFC2812)
RPL_TRACESERVICE = 207,
/// `208 <newtype> 0 <client name>` (Source: RFC2812)
RPL_TRACENEWTYPE = 208,
/// `209 Class <class> <count>` (Source: RFC2812)
RPL_TRACECLASS = 209,
/// Unused. (Source: RFC2812)
RPL_TRACERECONNECT = 210,
/// `261 File <logfile> <debug level>` (Source: RFC2812)
RPL_TRACELOG = 261,
/// `262 <server name> <version & debug level> :End of TRACE` (Source: RFC2812)
RPL_TRACEEND = 262,
/// `211 <linkname> <sendq> <sent messages> <sent Kbytes> <received messages> <received Kbytes>
/// <time open>` (Source: RFC2812)
RPL_STATSLINKINFO = 211,
/// `212 <command> <count> <byte count> <remote count>` (Source: RFC2812)
RPL_STATSCOMMANDS = 212,
/// `219 <stats letter> :End of STATS report` (Source: RFC2812)
RPL_ENDOFSTATS = 219,
/// `242 :Server Up %d days %d:%02d:%02d` (Source: RFC2812)
RPL_STATSUPTIME = 242,
/// `243 O <hostmask> * <name>` (Source: RFC2812)
RPL_STATSOLINE = 243,
/// `221 <user mode string>` (Source: RFC2812)
RPL_UMODEIS = 221,
/// `234 <name> <server> <mask> <type> <hopcount> <info>` (Source: RFC2812)
RPL_SERVLIST = 234,
/// `235 <mask> <type> :End of service listing` (Source: RFC2812)
RPL_SERVLISTEND = 235,
/// `251 :There are <int> users and <int> services on <int> servers` (Source: RFC2812)
RPL_LUSERCLIENT = 251,
/// `252 <integer> :operator(s) online` (Source: RFC2812)
RPL_LUSEROP = 252,
/// `253 <integer> :unknown connection(s)` (Source: RFC2812)
RPL_LUSERUNKNOWN = 253,
/// `254 <integer> :channels formed` (Source: RFC2812)
RPL_LUSERCHANNELS = 254,
/// `255 :I have <integer> clients and <integer> servers` (Source: RFC2812)
RPL_LUSERME = 255,
/// `256 <server> :Administrative info` (Source: RFC2812)
RPL_ADMINME = 256,
/// `257 :<admin info>` (Source: RFC2812)
RPL_ADMINLOC1 = 257,
/// `258 :<admin info>` (Source: RFC2812)
RPL_ADMINLOC2 = 258,
/// `259 :<admin info>` (Source: RFC2812)
RPL_ADMINEMAIL = 259,
/// `263 <command> :Please wait a while and try again.` (Source: RFC2812)
RPL_TRYAGAIN = 263,
/// `265 <client> [<u> <m>] :Current local users <u>, max <m>` (Source: Modern)
RPL_LOCALUSERS = 265,
/// `266 <client> [<u> <m>] :Current local users <u>, max <m>` (Source: Modern)
RPL_GLOBALUSERS = 266,
/// `276 <client> <nick> :has client certificate fingerprint <fingerprint>` (Source: Modern)
RPL_WHOISCERTFP = 276,
/// `730 <nick> :target[,target2]*` (Source: RFC2812)
RPL_MONONLINE = 730,
/// `731 <nick> :target[,target2]*` (Source: RFC2812)
RPL_MONOFFLINE = 731,
/// `732 <nick> :target[,target2]*` (Source: RFC2812)
RPL_MONLIST = 732,
/// `733 <nick> :End of MONITOR list` (Source: RFC2812)
RPL_ENDOFMONLIST = 733,
/// `760 <target> <key> <visibility> :<value>` (Source: RFC2812)
RPL_WHOISKEYVALUE = 760,
/// `761 <target> <key> <visibility> :[<value>]` (Source: RFC2812)
RPL_KEYVALUE = 761,
/// `762 :end of metadata` (Source: RFC2812)
RPL_METADATAEND = 762,
/// `900 <nick> <nick>!<ident>@<host> <account> :You are now logged in as <user>` (Source:
/// IRCv3)
RPL_LOGGEDIN = 900,
/// `901 <nick> <nick>!<ident>@<host> :You are now logged out` (Source: IRCv3)
RPL_LOGGEDOUT = 901,
/// `903 <nick> :SASL authentication successful` (Source: IRCv3)
RPL_SASLSUCCESS = 903,
/// `908 <nick> <mechanisms> :are available SASL mechanisms` (Source: IRCv3)
RPL_SASLMECHS = 908,
// Error replies
/// `400 <client> <command>{ <subcommand>} :<info>` (Source: Modern)
///
/// According to Modern, this error will be returned when the given command/subcommand could not
/// be processed. It's a very general error, and should only be used when more specific numerics
/// do not suffice.
ERR_UNKNOWNERROR = 400,
/// `401 <nickname> :No such nick/channel` (Source: RFC2812)
ERR_NOSUCHNICK = 401,
/// `402 <server name> :No such server` (Source: RFC2812)
ERR_NOSUCHSERVER = 402,
/// `403 <channel name> :No such channel` (Source: RFC2812)
ERR_NOSUCHCHANNEL = 403,
/// `404 <channel name> :Cannot send to channel` (Source: RFC2812)
ERR_CANNOTSENDTOCHAN = 404,
/// `405 <channel name> :You have joined too many channels` (Source: RFC2812)
ERR_TOOMANYCHANNELS = 405,
/// `406 <nickname> :There was no such nickname` (Source: RFC2812)
ERR_WASNOSUCHNICK = 406,
/// `407 <target> :<error code> recipients. <abort message>` (Source: RFC2812)
ERR_TOOMANYTARGETS = 407,
/// `408 <service name> :No such service` (Source: RFC2812)
ERR_NOSUCHSERVICE = 408,
/// `409 :No origin specified` (Source: RFC2812)
ERR_NOORIGIN = 409,
/// `411 :No recipient given (<command>)` (Source: RFC2812)
ERR_NORECIPIENT = 411,
/// `412 :No text to send` (Source: RFC2812)
ERR_NOTEXTTOSEND = 412,
/// `413 <mask> :No toplevel domain specified` (Source: RFC2812)
ERR_NOTOPLEVEL = 413,
/// `414 <mask> :Wildcard in toplevel domain` (Source: RFC2812)
ERR_WILDTOPLEVEL = 414,
/// `415 <mask> :Bad Server/host mask` (Source: RFC2812)
ERR_BADMASK = 415,
/// `421 <command> :Unknown command` (Source: RFC2812)
ERR_UNKNOWNCOMMAND = 421,
/// `422 :MOTD File is missing` (Source: RFC2812)
ERR_NOMOTD = 422,
/// `423 <server> :No administrative info available` (Source: RFC2812)
ERR_NOADMININFO = 423,
/// `424 :File error doing <file op> on <file>` (Source: RFC2812)
ERR_FILEERROR = 424,
/// `431 :No nickname given` (Source: RFC2812)
ERR_NONICKNAMEGIVEN = 431,
/// `432 <nick> :Erroneous nickname"` (Source: RFC2812)
ERR_ERRONEOUSNICKNAME = 432,
/// `433 <nick> :Nickname is already in use` (Source: RFC2812)
ERR_NICKNAMEINUSE = 433,
/// `436 <nick> :Nickname collision KILL from <user>@<host>` (Source: RFC2812)
ERR_NICKCOLLISION = 436,
/// `437 <nick/channel> :Nick/channel is temporarily unavailable` (Source: RFC2812)
ERR_UNAVAILRESOURCE = 437,
/// `441 <nick> <channel> :They aren't on that channel` (Source: RFC2812)
ERR_USERNOTINCHANNEL = 441,
/// `442 <channel> :You're not on that channel` (Source: RFC2812)
ERR_NOTONCHANNEL = 442,
/// `443 <user> <channel> :is already on channel` (Source: RFC2812)
ERR_USERONCHANNEL = 443,
/// `444 <user> :User not logged in` (Source: RFC2812)
ERR_NOLOGIN = 444,
/// `445 :SUMMON has been disabled` (Source: RFC2812)
ERR_SUMMONDISABLED = 445,
/// `446 :USERS has been disabled` (Source: RFC2812)
ERR_USERSDISABLED = 446,
/// `451 :You have not registered` (Source: RFC2812)
ERR_NOTREGISTERED = 451,
/// `461 <command> :Not enough parameters` (Source: RFC2812)
ERR_NEEDMOREPARAMS = 461,
/// `462 :Unauthorized command (already registered)` (Source: RFC2812)
ERR_ALREADYREGISTRED = 462,
/// `463 :Your host isn't among the privileged` (Source: RFC2812)
ERR_NOPERMFORHOST = 463,
/// `464 :Password incorrect` (Source: RFC2812)
ERR_PASSWDMISMATCH = 464,
/// `465 :You are banned from this server` (Source: RFC2812)
ERR_YOUREBANNEDCREEP = 465,
/// `466` (Source: RFC2812)
ERR_YOUWILLBEBANNED = 466,
/// `467 <channel> :Channel key already set` (Source: RFC2812)
ERR_KEYSET = 467,
/// `471 <channel> :Cannot join channel (+l)` (Source: RFC2812)
ERR_CHANNELISFULL = 471,
/// `472 <char> :is unknown mode char to me for <channel>` (Source: RFC2812)
ERR_UNKNOWNMODE = 472,
/// `473 <channel> :Cannot join channel (+i)` (Source: RFC2812)
ERR_INVITEONLYCHAN = 473,
/// `474 <channel> :Cannot join channel (+b)` (Source: RFC2812)
ERR_BANNEDFROMCHAN = 474,
/// `475 <channel> :Cannot join channel (+k)` (Source: RFC2812)
ERR_BADCHANNELKEY = 475,
/// `476 <channel> :Bad Channel Mask` (Source: RFC2812)
ERR_BADCHANMASK = 476,
/// `477 <channel> :Channel doesn't support modes` (Source: RFC2812)
ERR_NOCHANMODES = 477,
/// `478 <channel> <char> :Channel list is full` (Source: RFC2812)
ERR_BANLISTFULL = 478,
/// `481 :Permission Denied- You're not an IRC operator` (Source: RFC2812)
ERR_NOPRIVILEGES = 481,
/// `482 <channel> :You're not channel operator` (Source: RFC2812)
ERR_CHANOPRIVSNEEDED = 482,
/// `483 :You can't kill a server!` (Source: RFC2812)
ERR_CANTKILLSERVER = 483,
/// `484 :Your connection is restricted!` (Source: RFC2812)
ERR_RESTRICTED = 484,
/// `485 :You're not the original channel operator` (Source: RFC2812)
ERR_UNIQOPPRIVSNEEDED = 485,
/// `491 :No O-lines for your host` (Source: RFC2812)
ERR_NOOPERHOST = 491,
/// `501 :Unknown MODE flag` (Source: RFC2812)
ERR_UMODEUNKNOWNFLAG = 501,
/// `502 :Cannot change mode for other users` (Source: RFC2812)
ERR_USERSDONTMATCH = 502,
/// `723 <client> <priv> :Insufficient oper privileges.` (Source: Modern)
///
/// Sent to an operator to indicate that they don't have the specific privileges to perform the
/// desired action. The format and meaning of the privilege string is server-defined.
ERR_NOPRIVS = 723,
/// `734 <nick> <limit> <targets> :Monitor list is full.` (Source: RFC2812)
ERR_MONLISTFULL = 734,
/// `764 <target> :metadata limit reached` (Source: RFC2812)
ERR_METADATALIMIT = 764,
/// `765 <target> :invalid metadata target` (Source: RFC2812)
ERR_TARGETINVALID = 765,
/// `766 <key> :no matching key` (Source: RFC2812)
ERR_NOMATCHINGKEY = 766,
/// `767 <key> :invalid metadata key` (Source: RFC2812)
ERR_KEYINVALID = 767,
/// `768 <target> <key> :key not set` (Source: RFC2812)
ERR_KEYNOTSET = 768,
/// `769 <target> <key> :permission denied` (Source: RFC2812)
ERR_KEYNOPERMISSION = 769,
/// `902 <nick> :You must use a nick assigned to you.` (Source: IRCv3)
ERR_NICKLOCKED = 902,
/// `904 <nick> :SASL authentication failed` (Source: IRCv3)
ERR_SASLFAIL = 904,
/// `905 <nick> :SASL message too long` (Source: IRCv3)
ERR_SASLTOOLONG = 905,
/// `906 <nick> :SASL authentication aborted` (Source: IRCv3)
ERR_SASLABORT = 906,
/// `907 <nick> :You have already authenticated using SASL` (Source: IRCv3)
ERR_SASLALREADY = 907
}
impl Response {
/// Determines whether or not this response is an error response.
///
/// This error consideration is according to RFC2812, but is rather simplistic. It considers all
/// response codes above 400 to be errors, which misclassifies some extensions (e.g. from IRCv3)
/// that add responses and errors both in the same range (typically 700s or 900s).
pub fn is_error(&self) -> bool {
*self as u16 >= 400
}
}
impl FromStr for Response {
type Err = &'static str;
fn from_str(s: &str) -> Result<Response, &'static str> {
if let Ok(rc) = s.parse() {
match Response::from_u16(rc) {
Some(r) => Ok(r),
None => Err("Failed to parse due to unknown response code."),
}
} else {
Err("Failed to parse response code.")
}
}
}
#[cfg(test)]
mod test {
use super::Response;
#[test]
fn is_error() {
assert!(!Response::RPL_NAMREPLY.is_error());
assert!(Response::ERR_NICKNAMEINUSE.is_error());
}
}