Event

• 简介
• 安装／配置
  • 需求
  • 安装
  • 运行时配置
  • 资源类型
• 范例
• Event flags
• About event persistence
• Event callbacks
• Constructing signal events
• Event — The Event class
  • Event::add — Makes event pending
  • Event::addSignal — Makes signal event pending
  • Event::addTimer — Makes timer event pending
  • Event::__construct — Constructs Event object
  • Event::del — Makes event non-pending
  • Event::delSignal — Makes signal event non-pending
  • Event::delTimer — Makes timer event non-pending
  • Event::free — Make event non-pending and free resources allocated for this event
  • Event::getSupportedMethods — Returns array with of the names of the methods supported in this version of Libevent
  • Event::pending — Detects whether event is pending or scheduled
  • Event::set — Re-configures event
  • Event::setPriority — Set event priority
  • Event::setTimer — Re-configures timer event
  • Event::signal — Constructs signal event object
  • Event::timer — Constructs timer event object
• EventBase — The EventBase class
  • EventBase::__construct — Constructs EventBase object
  • EventBase::dispatch — Dispatch pending events
  • EventBase::exit — Stop dispatching events
  • EventBase::free — Free resources allocated for this event base
  • EventBase::getFeatures — Returns bitmask of features supported
  • EventBase::getMethod — Returns event method in use
  • EventBase::getTimeOfDayCached — Returns the current event base time
  • EventBase::gotExit — Checks if the event loop was told to exit
  • EventBase::gotStop — Checks if the event loop was told to exit
  • EventBase::loop — Dispatch pending events
  • EventBase::priorityInit — Sets number of priorities per event base
  • EventBase::reInit — Re-initialize event base(after a fork)
  • EventBase::stop — Tells event_base to stop dispatching events
• EventBuffer — The EventBuffer class
  • EventBuffer::add — Append data to the end of an event buffer
  • EventBuffer::addBuffer — Move all data from a buffer provided to the current instance of EventBuffer
  • EventBuffer::appendFrom — Moves the specified number of bytes from a source buffer to the end of the current buffer
  • EventBuffer::__construct — Constructs EventBuffer object
  • EventBuffer::copyout — Copies out specified number of bytes from the front of the buffer
  • EventBuffer::drain — Removes specified number of bytes from the front of the buffer without copying it anywhere
  • EventBuffer::enableLocking — 说明
  • EventBuffer::expand — Reserves space in buffer
  • EventBuffer::freeze — Prevent calls that modify an event buffer from succeeding
  • EventBuffer::lock — Acquires a lock on buffer
  • EventBuffer::prepend — Prepend data to the front of the buffer
  • EventBuffer::prependBuffer — Moves all data from source buffer to the front of current buffer
  • EventBuffer::pullup — Linearizes data within buffer and returns it's contents as a string
  • EventBuffer::read — Read data from an evbuffer and drain the bytes read
  • EventBuffer::readFrom — Read data from a file onto the end of the buffer
  • EventBuffer::readLine — Extracts a line from the front of the buffer
  • EventBuffer::search — Scans the buffer for an occurrence of a string
  • EventBuffer::searchEol — Scans the buffer for an occurrence of an end of line
  • EventBuffer::substr — Substracts a portion of the buffer data
  • EventBuffer::unfreeze — Re-enable calls that modify an event buffer
  • EventBuffer::unlock — Releases lock acquired by EventBuffer::lock
  • EventBuffer::write — Write contents of the buffer to a file or socket
• EventBufferEvent — The EventBufferEvent class
  • EventBufferEvent::close — Closes file descriptor associated with the current buffer event
  • EventBufferEvent::connect — Connect buffer event's file descriptor to given address or UNIX socket
  • EventBufferEvent::connectHost — Connects to a hostname with optionally asyncronous DNS resolving
  • EventBufferEvent::__construct — Constructs EventBufferEvent object
  • EventBufferEvent::createPair — Creates two buffer events connected to each other
  • EventBufferEvent::disable — Disable events read, write, or both on a buffer event
  • EventBufferEvent::enable — Enable events read, write, or both on a buffer event
  • EventBufferEvent::free — Free a buffer event
  • EventBufferEvent::getDnsErrorString — Returns string describing the last failed DNS lookup attempt
  • EventBufferEvent::getEnabled — Returns bitmask of events currently enabled on the buffer event
  • EventBufferEvent::getInput — Returns underlying input buffer associated with current buffer event
  • EventBufferEvent::getOutput — Returns underlying output buffer associated with current buffer event
  • EventBufferEvent::read — Read buffer's data
  • EventBufferEvent::readBuffer — Drains the entire contents of the input buffer and places them into buf
  • EventBufferEvent::setCallbacks — Assigns read, write and event(status) callbacks
  • EventBufferEvent::setPriority — Assign a priority to a bufferevent
  • EventBufferEvent::setTimeouts — Set the read and write timeout for a buffer event
  • EventBufferEvent::setWatermark — Adjusts read and/or write watermarks
  • EventBufferEvent::sslError — Returns most recent OpenSSL error reported on the buffer event
  • EventBufferEvent::sslFilter — Create a new SSL buffer event to send its data over another buffer event
  • EventBufferEvent::sslGetCipherInfo — Returns a textual description of the cipher
  • EventBufferEvent::sslGetCipherName — Returns the current cipher name of the SSL connection
  • EventBufferEvent::sslGetCipherVersion — Returns version of cipher used by current SSL connection
  • EventBufferEvent::sslGetProtocol — Returns the name of the protocol used for current SSL connection
  • EventBufferEvent::sslRenegotiate — Tells a bufferevent to begin SSL renegotiation
  • EventBufferEvent::sslSocket — Creates a new SSL buffer event to send its data over an SSL on a socket
  • EventBufferEvent::write — Adds data to a buffer event's output buffer
  • EventBufferEvent::writeBuffer — Adds contents of the entire buffer to a buffer event's output buffer
• About buffer event callbacks
• EventConfig — EventConfig 类
  • EventConfig::avoidMethod — 告诉 libevent 避免使用指定 event 方法
  • EventConfig::__construct — EventConfig 构造函数
  • EventConfig::requireFeatures — 输入应用程序要求的必需 event 方法功能
  • EventConfig::setFlags — EventBase 初始化需设置的一个或者多个 flag
  • EventConfig::setMaxDispatchInterval — 防止优先级反转
• EventDnsBase — The EventDnsBase class
  • EventDnsBase::addNameserverIp — Adds a nameserver to the DNS base
  • EventDnsBase::addSearch — Adds a domain to the list of search domains
  • EventDnsBase::clearSearch — Removes all current search suffixes
  • EventDnsBase::__construct — Constructs EventDnsBase object
  • EventDnsBase::countNameservers — Gets the number of configured nameservers
  • EventDnsBase::loadHosts — Loads a hosts file (in the same format as /etc/hosts) from hosts file
  • EventDnsBase::parseResolvConf — Scans the resolv.conf-formatted file
  • EventDnsBase::setOption — Set the value of a configuration option
  • EventDnsBase::setSearchNdots — Set the 'ndots' parameter for searches
• EventHttp — The EventHttp class
  • EventHttp::accept — Makes an HTTP server accept connections on the specified socket stream or resource
  • EventHttp::addServerAlias — Adds a server alias to the HTTP server object
  • EventHttp::bind — Binds an HTTP server on the specified address and port
  • EventHttp::__construct — Constructs EventHttp object(the HTTP server)
  • EventHttp::removeServerAlias — Removes server alias
  • EventHttp::setAllowedMethods — Sets the what HTTP methods are supported in requests accepted by this server, and passed to user callbacks
  • EventHttp::setCallback — Sets a callback for specified URI
  • EventHttp::setDefaultCallback — Sets default callback to handle requests that are not caught by specific callbacks
  • EventHttp::setMaxBodySize — Sets maximum request body size
  • EventHttp::setMaxHeadersSize — Sets maximum HTTP header size
  • EventHttp::setTimeout — Sets the timeout for an HTTP request
• EventHttpConnection — The EventHttpConnection class
  • EventHttpConnection::__construct — Constructs EventHttpConnection object
  • EventHttpConnection::getBase — Returns event base associated with the connection
  • EventHttpConnection::getPeer — Gets the remote address and port associated with the connection
  • EventHttpConnection::makeRequest — Makes an HTTP request over the specified connection
  • EventHttpConnection::setCloseCallback — Set callback for connection close
  • EventHttpConnection::setLocalAddress — Sets the IP address from which HTTP connections are made
  • EventHttpConnection::setLocalPort — Sets the local port from which connections are made
  • EventHttpConnection::setMaxBodySize — Sets maximum body size for the connection
  • EventHttpConnection::setMaxHeadersSize — Sets maximum header size
  • EventHttpConnection::setRetries — Sets the retry limit for the connection
  • EventHttpConnection::setTimeout — Sets the timeout for the connection
• EventHttpRequest — The EventHttpRequest class
  • EventHttpRequest::addHeader — Adds an HTTP header to the headers of the request
  • EventHttpRequest::cancel — Cancels a pending HTTP request
  • EventHttpRequest::clearHeaders — Removes all output headers from the header list of the request
  • EventHttpRequest::closeConnection — Closes associated HTTP connection
  • EventHttpRequest::__construct — Constructs EventHttpRequest object
  • EventHttpRequest::findHeader — Finds the value belonging a header
  • EventHttpRequest::free — Frees the object and removes associated events
  • EventHttpRequest::getBufferEvent — Returns EventBufferEvent object
  • EventHttpRequest::getCommand — Returns the request command(method)
  • EventHttpRequest::getConnection — Returns EventHttpConnection object
  • EventHttpRequest::getHost — Returns the request host
  • EventHttpRequest::getInputBuffer — Returns the input buffer
  • EventHttpRequest::getInputHeaders — Returns associative array of the input headers
  • EventHttpRequest::getOutputBuffer — Returns the output buffer of the request
  • EventHttpRequest::getOutputHeaders — Returns associative array of the output headers
  • EventHttpRequest::getResponseCode — Returns the response code
  • EventHttpRequest::getUri — Returns the request URI
  • EventHttpRequest::removeHeader — Removes an HTTP header from the headers of the request
  • EventHttpRequest::sendError — Send an HTML error message to the client
  • EventHttpRequest::sendReply — Send an HTML reply to the client
  • EventHttpRequest::sendReplyChunk — Send another data chunk as part of an ongoing chunked reply
  • EventHttpRequest::sendReplyEnd — Complete a chunked reply, freeing the request as appropriate
  • EventHttpRequest::sendReplyStart — Initiate a chunked reply
• EventListener — The EventListener class
  • EventListener::__construct — Creates new connection listener associated with an event base
  • EventListener::disable — Disables an event connect listener object
  • EventListener::enable — Enables an event connect listener object
  • EventListener::getBase — Returns event base associated with the event listener
  • EventListener::getSocketName — Retreives the current address to which the listener's socket is bound
  • EventListener::setCallback — The setCallback purpose
  • EventListener::setErrorCallback — Set event listener's error callback
• EventSslContext — The EventSslContext class
  • EventSslContext::__construct — Constructs an OpenSSL context for use with Event classes
• EventUtil — The EventUtil class
  • EventUtil::__construct — The abstract constructor
  • EventUtil::getLastSocketErrno — Returns the most recent socket error number
  • EventUtil::getLastSocketError — Returns the most recent socket error
  • EventUtil::getSocketFd — Returns numeric file descriptor of a socket, or stream
  • EventUtil::getSocketName — Retreives the current address to which the socket is bound
  • EventUtil::setSocketOption — Sets socket options
  • EventUtil::sslRandPoll — Generates entropy by means of OpenSSL's RAND_poll()