PHP network communication IPv6 over TCP socket
Petr Faltus development
net_tcp6_receiver.php
GitHub repository: network-socket-communication-source-codes
git clone https://github.com/petrfaltus/network-socket-communication-source-codes.git
Directories to net_tcp6_receiver.php in the repository: php/src
<?php set_time_limit(0); const RECEIVER_ADDRESS = "::0"; const RECEIVER_PORT = 10000; const RECEIVED_MESSAGES_MAX = 10; const BUFFER_SIZE = 4096; echo "TCP IPv6 stream socket receiver".PHP_EOL; $socket = @socket_create(AF_INET6, SOCK_STREAM, SOL_TCP); if ($socket === false) { exit("- socket_create() failed: ".socket_strerror(socket_last_error()).PHP_EOL); } echo "- socket created".PHP_EOL; $bound = @socket_bind($socket, RECEIVER_ADDRESS, RECEIVER_PORT); if ($bound === false) { exit("- socket_bind() failed: ".socket_strerror(socket_last_error($socket)).PHP_EOL); } echo "- socket bound on [".RECEIVER_ADDRESS."]:".RECEIVER_PORT.PHP_EOL; $listening = @socket_listen($socket, RECEIVED_MESSAGES_MAX); if ($listening === false) { exit("- socket_listen() failed: ".socket_strerror(socket_last_error($socket)).PHP_EOL); } echo "- socket is listening for max ".RECEIVED_MESSAGES_MAX." messages".PHP_EOL; $stop = false; while ($stop == false) { $msgsock = @socket_accept($socket); if ($msgsock === false) { exit("- socket_accept() failed: ".socket_strerror(socket_last_error($socket)).PHP_EOL); } echo "- socket accepted request".PHP_EOL; $peer_address = ""; $peer_port = 0; $peer = @socket_getpeername($msgsock, $peer_address, $peer_port); if ($peer === false) { exit("- socket_getpeername() failed: ".socket_strerror(socket_last_error($msgsock)).PHP_EOL); } $local_address = ""; $local_port = 0; $local = @socket_getsockname($msgsock, $local_address, $local_port); if ($local === false) { exit("- socket_getsockname() failed: ".socket_strerror(socket_last_error($msgsock)).PHP_EOL); } echo "- peer connect from [".$peer_address."]:".$peer_port." on [".$local_address."]:".$local_port.PHP_EOL; $msg = ""; $received_length = @socket_recv($msgsock, $msg, BUFFER_SIZE, 0); if ($received_length === false) { exit("- socket_recv() failed: ".socket_strerror(socket_last_error($msgsock)).PHP_EOL); } echo "- message ".$received_length."B received".PHP_EOL; echo "|".$msg."|".PHP_EOL; if ($msg == "stop") { // received message "stop" to stop the receiver $stop = true; } socket_close($msgsock); echo "- socket closed request".PHP_EOL; } socket_close($socket); echo "- socket closed".PHP_EOL; ?>
net_tcp6_sender.php
Directories to net_tcp6_sender.php in the repository: php/src
<?php set_time_limit(0); const RECEIVER_ADDRESS = "::1"; const RECEIVER_PORT = 10000; echo "TCP IPv6 stream socket sender".PHP_EOL; $socket = @socket_create(AF_INET6, SOCK_STREAM, SOL_TCP); if ($socket === false) { exit("- socket_create() failed: ".socket_strerror(socket_last_error()).PHP_EOL); } echo "- socket created".PHP_EOL; $result = @socket_connect($socket, RECEIVER_ADDRESS, RECEIVER_PORT); if ($result === false) { exit("- socket_connect() failed: ".socket_strerror(socket_last_error($socket)).PHP_EOL); } echo "- connected to [".RECEIVER_ADDRESS."]:".RECEIVER_PORT.PHP_EOL; $peer_address = ""; $peer_port = 0; $peer = @socket_getpeername($socket, $peer_address, $peer_port); if ($peer === false) { exit("- socket_getpeername() failed: ".socket_strerror(socket_last_error($msgsock)).PHP_EOL); } $local_address = ""; $local_port = 0; $local = @socket_getsockname($socket, $local_address, $local_port); if ($local === false) { exit("- socket_getsockname() failed: ".socket_strerror(socket_last_error($msgsock)).PHP_EOL); } echo "- for [".$peer_address."]:".$peer_port." bound on [".$local_address."]:".$local_port.PHP_EOL; if (isset($argv[1])) { $msg = $argv[1]; // message is the first parameter, for example "stop" to stop the receiver } else { $msg = "This is PHP message sent at ".date("j.n.Y")." in ".date("G:i:s"); } echo "|".$msg."|".PHP_EOL; $msg_length = strlen($msg); $sent_length = @socket_send($socket, $msg, $msg_length, 0); if ($sent_length === false) { exit("- socket_send() failed: ".socket_strerror(socket_last_error($socket)).PHP_EOL); } echo "- message ".$sent_length."B of ".$msg_length."B sent".PHP_EOL; socket_close($socket); echo "- socket closed".PHP_EOL; ?>
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