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<?php |
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namespace PHP\Wrappers; |
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/** |
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* Class Sockets |
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* |
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* @package PHP\Wrappers |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class Sockets |
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{ |
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/** |
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* Accepts a connection on a socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create. |
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* |
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* @return resource |
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*/ |
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public function socketAccept($socket) |
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{ |
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return socket_accept($socket); |
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} |
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/** |
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* Binds a name to a socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create. |
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* @param string $address If the socket is of the AF_INET family, the |
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* address is an IP in dotted-quad notation |
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* (e.g. 127.0.0.1). |
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* @param int $port The port parameter is only used when |
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* binding an AF_INET socket, and designates |
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* the port on which to listen for connections. |
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* |
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* @return bool |
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*/ |
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public function socketBind($socket, string $address, int $port = null) : bool |
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{ |
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return call_user_func_array('socket_bind', func_get_args()); |
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} |
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/** |
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* Clears the error on the socket or the last error code |
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* |
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* @param resource $socket A valid socket resource created with socket_create. |
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* |
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* @return void |
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*/ |
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public function socketClearError($socket = null) |
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{ |
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call_user_func_array('socket_clear_error', func_get_args()); |
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} |
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/** |
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* Closes a socket resource |
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* |
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* @param resource $socket A valid socket resource created with socket_create |
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* or socket_accept. |
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* |
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* @return void |
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*/ |
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public function socketClose($socket) |
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{ |
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socket_close($socket); |
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} |
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/** |
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* Calculate message buffer size |
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* |
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* @param int $level |
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* @param int $type |
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* |
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* @return int |
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*/ |
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public function socketCmsgSpace(int $level, int $type) : int |
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{ |
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return socket_cmsg_space($level, $type); |
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} |
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/** |
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* Initiates a connection on a socket |
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* |
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* @param resource $socket |
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* @param string $address The address parameter is either an IPv4 address |
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* in dotted-quad notation (e.g. 127.0.0.1) if |
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* socket is AF_INET, a valid |
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* IPv6 address (e.g. ::1) if IPv6 support is enabled and |
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* socket is AF_INET6 |
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* or the pathname of a Unix domain socket, if the socket family is |
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* AF_UNIX. |
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* @param int $port The port parameter is only used and is mandatory |
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* when connecting to an AF_INET or an |
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* AF_INET6 socket, and designates |
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* the port on the remote host to which a connection should be made. |
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* |
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* @return bool |
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*/ |
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public function socketConnect($socket, string $address, int $port = null) : bool |
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{ |
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return call_user_func_array('socket_connect', func_get_args()); |
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} |
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/** |
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* Opens a socket on port to accept connections |
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* |
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* @param int $port The port on which to listen on all interfaces. |
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* @param int $backlog The backlog parameter defines the maximum length |
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* the queue of pending connections may grow to. |
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* SOMAXCONN may be passed as |
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* backlog parameter, see |
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* socket_listen for more information. |
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* |
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* @return resource |
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*/ |
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public function socketCreateListen(int $port, int $backlog = null) |
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{ |
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return call_user_func_array('socket_create_listen', func_get_args()); |
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} |
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/** |
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* Creates a pair of indistinguishable sockets and stores them in an array |
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* |
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* @param int $domain The domain parameter specifies the protocol |
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* family to be used by the socket. See socket_create |
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* for the full list. |
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* @param int $type The type parameter selects the type of communication |
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* to be used by the socket. See socket_create for the |
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* full list. |
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* @param int $protocol The protocol parameter sets the specific |
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* protocol within the specified domain to be used |
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* when communicating on the returned socket. The proper value can be retrieved by |
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* name by using getprotobyname. If |
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* the desired protocol is TCP, or UDP the corresponding constants |
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* SOL_TCP, and SOL_UDP |
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* can also be used. |
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* @param array $fd Reference to an array in which the two socket resources will be inserted. |
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* |
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* @return bool |
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*/ |
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public function socketCreatePair(int $domain, int $type, int $protocol, array &$fd) : bool |
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{ |
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return socket_create_pair($domain, $type, $protocol, $fd); |
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} |
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/** |
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* Create a socket (endpoint for communication) |
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* |
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* @param int $domain The domain parameter specifies the protocol |
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* family to be used by the socket. |
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* @param int $type The type parameter selects the type of communication |
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* to be used by the socket. |
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* @param int $protocol The protocol parameter sets the specific |
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* protocol within the specified domain to be used |
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* when communicating on the returned socket. The proper value can be |
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* retrieved by name by using getprotobyname. If |
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* the desired protocol is TCP, or UDP the corresponding constants |
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* SOL_TCP, and SOL_UDP |
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* can also be used. |
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* |
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* @return resource |
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*/ |
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public function socketCreate(int $domain, int $type, int $protocol) |
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{ |
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return socket_create($domain, $type, $protocol); |
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} |
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/** |
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* Gets socket options for the socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create |
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* or socket_accept. |
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* @param int $level The level parameter specifies the protocol |
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* level at which the option resides. For example, to retrieve options at |
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* the socket level, a level parameter of |
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* SOL_SOCKET would be used. Other levels, such as |
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* TCP, can be used by |
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* specifying the protocol number of that level. Protocol numbers can be |
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* found by using the getprotobyname function. |
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* @param int $optname |
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* |
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* @return mixed |
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*/ |
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public function socketGetOption($socket, int $level, int $optname) |
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{ |
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return socket_get_option($socket, $level, $optname); |
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} |
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/** |
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* Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, |
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* dependent on its type |
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* |
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* @param resource $socket A valid socket resource created with socket_create |
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* or socket_accept. |
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* @param string $address If the given socket is of type AF_INET or |
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* AF_INET6, socket_getpeername |
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* will return the peers (remote) IP address in |
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* appropriate notation (e.g. 127.0.0.1 or |
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* fe80::1) in the address |
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* parameter and, if the optional port parameter is |
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* present, also the associated port. |
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* @param int $port If given, this will hold the port associated to |
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* address. |
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* |
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* @return bool |
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*/ |
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public function socketGetpeername($socket, string &$address, int &$port = null) : bool |
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{ |
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return call_user_func_array('socket_getpeername', func_get_args()); |
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} |
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/** |
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* Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, |
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* dependent on its type |
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* |
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* @param resource $socket A valid socket resource created with socket_create |
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* or socket_accept. |
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* @param string $addr If the given socket is of type AF_INET |
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* or AF_INET6, socket_getsockname |
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* will return the local IP address in appropriate notation (e.g. |
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* 127.0.0.1 or fe80::1) in the |
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* address parameter and, if the optional |
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* port parameter is present, also the associated port. |
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* @param int $port If provided, this will hold the associated port. |
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* |
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* @return bool |
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*/ |
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public function socketGetsockname($socket, string &$addr, int &$port = null) : bool |
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{ |
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return call_user_func_array('socket_getsockname', func_get_args()); |
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} |
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/** |
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* Import a stream |
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* |
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* @param resource $stream The stream resource to import. |
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* |
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* @return resource |
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*/ |
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public function socketImportStream($stream) |
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{ |
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return socket_import_stream($stream); |
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} |
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/** |
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* Returns the last error on the socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create. |
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* |
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* @return int |
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*/ |
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public function socketLastError($socket = null) : int |
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{ |
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return call_user_func_array('socket_last_error', func_get_args()); |
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} |
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/** |
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* Listens for a connection on a socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create. |
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* @param int $backlog A maximum of backlog incoming connections will be |
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* queued for processing. If a connection request arrives with the queue |
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* full the client may receive an error with an indication of |
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* ECONNREFUSED, or, if the underlying protocol supports |
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* retransmission, the request may be ignored so that retries may succeed. |
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* |
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* @return bool |
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*/ |
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public function socketListen($socket, int $backlog = null) : bool |
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{ |
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return call_user_func_array('socket_listen', func_get_args()); |
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} |
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/** |
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* Reads a maximum of length bytes from a socket |
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* |
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* @param resource $socket A valid socket resource created with socket_create |
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* or socket_accept. |
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* @param int $length The maximum number of bytes read is specified by the |
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* length parameter. Otherwise you can use |
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* r, n, |
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* or 0 to end reading (depending on the type |
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* parameter, see below). |
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* @param int $type Optional type parameter is a named constant: |
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* |
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* |
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* |
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* PHP_BINARY_READ (Default) - use the system |
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* recv() function. Safe for reading binary data. |
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* |
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* |
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* |
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* |
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* PHP_NORMAL_READ - reading stops at |
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* \n or \r. |
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* |
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* @return string |
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*/ |
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public function socketRead($socket, int $length, int $type = null) : string |
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{ |
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return call_user_func_array('socket_read', func_get_args()); |
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} |
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/** |
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* Receives data from a connected socket |
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* |
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* @param resource $socket The socket must be a socket resource previously |
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* created by socket_create(). |
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* @param string $buf The data received will be fetched to the variable specified with |
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* buf. If an error occurs, if the |
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* connection is reset, or if no data is |
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* available, buf will be set to . |
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* @param int $len Up to len bytes will be fetched from remote host. |
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* @param int $flags The value of flags can be any combination of |
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* the following flags, joined with the binary OR (|) |
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* operator. |
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* |
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* @return int |
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*/ |
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public function socketRecv($socket, string &$buf, int $len, int $flags) : int |
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{ |
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return socket_recv($socket, $buf, $len, $flags); |
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} |
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/** |
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* Receives data from a socket whether or not it is connection-oriented |
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* |
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* @param resource $socket The socket must be a socket resource previously |
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* created by socket_create(). |
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* @param string $buf The data received will be fetched to the variable specified with |
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* buf. |
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* @param int $len Up to len bytes will be fetched from remote host. |
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* @param int $flags The value of flags can be any combination of |
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* the following flags, joined with the binary OR (|) |
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* operator. |
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* @param string $name If the socket is of the type AF_UNIX type, |
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* name is the path to the file. Else, for |
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* unconnected sockets, name is the IP address of, |
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* the remote host, or if the socket is connection-oriented. |
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* @param int $port This argument only applies to AF_INET and |
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* AF_INET6 sockets, and specifies the remote port |
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* from which the data is received. If the socket is connection-oriented, |
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* port will be . |
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* |
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* @return int |
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*/ |
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public function socketRecvfrom($socket, string &$buf, int $len, int $flags, string &$name, int &$port = null) : int |
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{ |
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return call_user_func_array('socket_recvfrom', func_get_args()); |
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} |
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/** |
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* Read a message |
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* |
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* @param resource $socket |
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* @param string $message |
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* @param int $flags |
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* |
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* @return int |
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*/ |
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public function socketRecvmsg($socket, string $message, int $flags = null) : int |
|
|
|
|
362
|
|
|
{ |
363
|
|
|
return call_user_func_array('socket_recvmsg', func_get_args()); |
364
|
|
|
} |
365
|
|
|
|
366
|
|
|
/** |
367
|
|
|
* Runs the select() system call on the given arrays of sockets with a specified timeout |
368
|
|
|
* |
369
|
|
|
* @param array $read The sockets listed in the read array will be |
370
|
|
|
* watched to see if characters become available for reading (more |
371
|
|
|
* precisely, to see if a read will not block - in particular, a socket |
372
|
|
|
* resource is also ready on end-of-file, in which case a |
373
|
|
|
* socket_read will return a zero length string). |
374
|
|
|
* @param array $write The sockets listed in the write array will be |
375
|
|
|
* watched to see if a write will not block. |
376
|
|
|
* @param array $except The sockets listed in the except array will be |
377
|
|
|
* watched for exceptions. |
378
|
|
|
* @param int $tvSec The tv_sec and tv_usec |
379
|
|
|
* together form the timeout parameter. The |
380
|
|
|
* timeout is an upper bound on the amount of time |
381
|
|
|
* elapsed before socket_select return. |
382
|
|
|
* tv_sec may be zero , causing |
383
|
|
|
* socket_select to return immediately. This is useful |
384
|
|
|
* for polling. If tv_sec is (no timeout), |
385
|
|
|
* socket_select can block indefinitely. |
386
|
|
|
* @param int $tvUsec |
387
|
|
|
* |
388
|
|
|
* @return int |
389
|
|
|
*/ |
390
|
|
|
public function socketSelect(array &$read, array &$write, array &$except, int $tvSec, int $tvUsec = null) : int |
|
|
|
|
391
|
|
|
{ |
392
|
|
|
return call_user_func_array('socket_select', func_get_args()); |
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
/** |
396
|
|
|
* Sends data to a connected socket |
397
|
|
|
* |
398
|
|
|
* @param resource $socket A valid socket resource created with socket_create |
399
|
|
|
* or socket_accept. |
400
|
|
|
* @param string $buf A buffer containing the data that will be sent to the remote host. |
401
|
|
|
* @param int $len The number of bytes that will be sent to the remote host from |
402
|
|
|
* buf. |
403
|
|
|
* @param int $flags The value of flags can be any combination of |
404
|
|
|
* the following flags, joined with the binary OR (|) |
405
|
|
|
* operator. |
406
|
|
|
* |
407
|
|
|
* Possible values for flags |
408
|
|
|
* |
409
|
|
|
* |
410
|
|
|
* |
411
|
|
|
* MSG_OOB |
412
|
|
|
* |
413
|
|
|
* Send OOB (out-of-band) data. |
414
|
|
|
* |
415
|
|
|
* |
416
|
|
|
* |
417
|
|
|
* MSG_EOR |
418
|
|
|
* |
419
|
|
|
* Indicate a record mark. The sent data completes the record. |
420
|
|
|
* |
421
|
|
|
* |
422
|
|
|
* |
423
|
|
|
* MSG_EOF |
424
|
|
|
* |
425
|
|
|
* Close the sender side of the socket and include an appropriate |
426
|
|
|
* notification of this at the end of the sent data. The sent data |
427
|
|
|
* completes the transaction. |
428
|
|
|
* |
429
|
|
|
* |
430
|
|
|
* |
431
|
|
|
* MSG_DONTROUTE |
432
|
|
|
* |
433
|
|
|
* Bypass routing, use direct interface. |
434
|
|
|
* |
435
|
|
|
* @return int |
436
|
|
|
*/ |
437
|
|
|
public function socketSend($socket, string $buf, int $len, int $flags) : int |
438
|
|
|
{ |
439
|
|
|
return socket_send($socket, $buf, $len, $flags); |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
/** |
443
|
|
|
* Send a message |
444
|
|
|
* |
445
|
|
|
* @param resource $socket |
446
|
|
|
* @param array $message |
447
|
|
|
* @param int $flags |
448
|
|
|
* |
449
|
|
|
* @return int |
450
|
|
|
*/ |
451
|
|
|
public function socketSendmsg($socket, array $message, int $flags) : int |
452
|
|
|
{ |
453
|
|
|
return socket_sendmsg($socket, $message, $flags); |
454
|
|
|
} |
455
|
|
|
|
456
|
|
|
/** |
457
|
|
|
* Sends a message to a socket, whether it is connected or not |
458
|
|
|
* |
459
|
|
|
* @param resource $socket A valid socket resource created using socket_create. |
460
|
|
|
* @param string $buf The sent data will be taken from buffer buf. |
461
|
|
|
* @param int $len len bytes from buf will be |
462
|
|
|
* sent. |
463
|
|
|
* @param int $flags The value of flags can be any combination of |
464
|
|
|
* the following flags, joined with the binary OR (|) |
465
|
|
|
* operator. |
466
|
|
|
* |
467
|
|
|
* Possible values for flags |
468
|
|
|
* |
469
|
|
|
* |
470
|
|
|
* |
471
|
|
|
* MSG_OOB |
472
|
|
|
* |
473
|
|
|
* Send OOB (out-of-band) data. |
474
|
|
|
* |
475
|
|
|
* |
476
|
|
|
* |
477
|
|
|
* MSG_EOR |
478
|
|
|
* |
479
|
|
|
* Indicate a record mark. The sent data completes the record. |
480
|
|
|
* |
481
|
|
|
* |
482
|
|
|
* |
483
|
|
|
* MSG_EOF |
484
|
|
|
* |
485
|
|
|
* Close the sender side of the socket and include an appropriate |
486
|
|
|
* notification of this at the end of the sent data. The sent data |
487
|
|
|
* completes the transaction. |
488
|
|
|
* |
489
|
|
|
* |
490
|
|
|
* |
491
|
|
|
* MSG_DONTROUTE |
492
|
|
|
* |
493
|
|
|
* Bypass routing, use direct interface. |
494
|
|
|
* @param string $addr IP address of the remote host. |
495
|
|
|
* @param int $port port is the remote port number at which the data |
496
|
|
|
* will be sent. |
497
|
|
|
* |
498
|
|
|
* @return int |
499
|
|
|
*/ |
500
|
|
|
public function socketSendto($socket, string $buf, int $len, int $flags, string $addr, int $port = null) : int |
|
|
|
|
501
|
|
|
{ |
502
|
|
|
return call_user_func_array('socket_sendto', func_get_args()); |
503
|
|
|
} |
504
|
|
|
|
505
|
|
|
/** |
506
|
|
|
* Sets blocking mode on a socket resource |
507
|
|
|
* |
508
|
|
|
* @param resource $socket A valid socket resource created with socket_create |
509
|
|
|
* or socket_accept. |
510
|
|
|
* |
511
|
|
|
* @return bool |
512
|
|
|
*/ |
513
|
|
|
public function socketSetBlock($socket) : bool |
514
|
|
|
{ |
515
|
|
|
return socket_set_block($socket); |
516
|
|
|
} |
517
|
|
|
|
518
|
|
|
/** |
519
|
|
|
* Sets nonblocking mode for file descriptor fd |
520
|
|
|
* |
521
|
|
|
* @param resource $socket A valid socket resource created with socket_create |
522
|
|
|
* or socket_accept. |
523
|
|
|
* |
524
|
|
|
* @return bool |
525
|
|
|
*/ |
526
|
|
|
public function socketSetNonblock($socket) : bool |
527
|
|
|
{ |
528
|
|
|
return socket_set_nonblock($socket); |
529
|
|
|
} |
530
|
|
|
|
531
|
|
|
/** |
532
|
|
|
* Sets socket options for the socket |
533
|
|
|
* |
534
|
|
|
* @param resource $socket A valid socket resource created with socket_create |
535
|
|
|
* or socket_accept. |
536
|
|
|
* @param int $level The level parameter specifies the protocol |
537
|
|
|
* level at which the option resides. For example, to retrieve options at |
538
|
|
|
* the socket level, a level parameter of |
539
|
|
|
* SOL_SOCKET would be used. Other levels, such as |
540
|
|
|
* TCP, can be used by specifying the protocol number of that level. |
541
|
|
|
* Protocol numbers can be found by using the |
542
|
|
|
* getprotobyname function. |
543
|
|
|
* @param int $optname The available socket options are the same as those for the |
544
|
|
|
* socket_get_option function. |
545
|
|
|
* @param mixed $optval The option value. |
546
|
|
|
* |
547
|
|
|
* @return bool |
548
|
|
|
*/ |
549
|
|
|
public function socketSetOption($socket, int $level, int $optname, $optval) : bool |
550
|
|
|
{ |
551
|
|
|
return socket_set_option($socket, $level, $optname, $optval); |
552
|
|
|
} |
553
|
|
|
|
554
|
|
|
/** |
555
|
|
|
* Shuts down a socket for receiving, sending, or both |
556
|
|
|
* |
557
|
|
|
* @param resource $socket A valid socket resource created with socket_create. |
558
|
|
|
* @param int $how The value of how can be one of the following: |
559
|
|
|
* |
560
|
|
|
* possible values for how |
561
|
|
|
* |
562
|
|
|
* |
563
|
|
|
* |
564
|
|
|
* 0 |
565
|
|
|
* |
566
|
|
|
* Shutdown socket reading |
567
|
|
|
* |
568
|
|
|
* |
569
|
|
|
* |
570
|
|
|
* 1 |
571
|
|
|
* |
572
|
|
|
* Shutdown socket writing |
573
|
|
|
* |
574
|
|
|
* |
575
|
|
|
* |
576
|
|
|
* 2 |
577
|
|
|
* |
578
|
|
|
* Shutdown socket reading and writing |
579
|
|
|
* |
580
|
|
|
* @return bool |
581
|
|
|
*/ |
582
|
|
|
public function socketShutdown($socket, int $how = null) : bool |
|
|
|
|
583
|
|
|
{ |
584
|
|
|
return call_user_func_array('socket_shutdown', func_get_args()); |
585
|
|
|
} |
586
|
|
|
|
587
|
|
|
/** |
588
|
|
|
* Return a string describing a socket error |
589
|
|
|
* |
590
|
|
|
* @param int $errno A valid socket error number, likely produced by |
591
|
|
|
* socket_last_error. |
592
|
|
|
* |
593
|
|
|
* @return string |
594
|
|
|
*/ |
595
|
|
|
public function socketStrerror(int $errno) : string |
596
|
|
|
{ |
597
|
|
|
return socket_strerror($errno); |
598
|
|
|
} |
599
|
|
|
|
600
|
|
|
/** |
601
|
|
|
* Write to a socket |
602
|
|
|
* |
603
|
|
|
* @param resource $socket |
604
|
|
|
* @param string $buffer The buffer to be written. |
605
|
|
|
* @param int $length The optional parameter length can specify an |
606
|
|
|
* alternate length of bytes written to the socket. If this length is |
607
|
|
|
* greater than the buffer length, it is silently truncated to the length |
608
|
|
|
* of the buffer. |
609
|
|
|
* |
610
|
|
|
* @return int |
611
|
|
|
*/ |
612
|
|
|
public function socketWrite($socket, string $buffer, int $length = null) : int |
|
|
|
|
613
|
|
|
{ |
614
|
|
|
return call_user_func_array('socket_write', func_get_args()); |
615
|
|
|
} |
616
|
|
|
|
617
|
|
|
} |
618
|
|
|
|
619
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.