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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/ext/socket/tcpsocket.c |
Fresh start
Diffstat (limited to 'jni/ruby/ext/socket/tcpsocket.c')
-rw-r--r-- | jni/ruby/ext/socket/tcpsocket.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/jni/ruby/ext/socket/tcpsocket.c b/jni/ruby/ext/socket/tcpsocket.c new file mode 100644 index 0000000..6217e42 --- /dev/null +++ b/jni/ruby/ext/socket/tcpsocket.c @@ -0,0 +1,82 @@ +/************************************************ + + tcpsocket.c - + + created at: Thu Mar 31 12:21:29 JST 1994 + + Copyright (C) 1993-2007 Yukihiro Matsumoto + +************************************************/ + +#include "rubysocket.h" + +/* + * call-seq: + * TCPSocket.new(remote_host, remote_port, local_host=nil, local_port=nil) + * + * Opens a TCP connection to +remote_host+ on +remote_port+. If +local_host+ + * and +local_port+ are specified, then those parameters are used on the local + * end to establish the connection. + */ +static VALUE +tcp_init(int argc, VALUE *argv, VALUE sock) +{ + VALUE remote_host, remote_serv; + VALUE local_host, local_serv; + + rb_scan_args(argc, argv, "22", &remote_host, &remote_serv, + &local_host, &local_serv); + + return rsock_init_inetsock(sock, remote_host, remote_serv, + local_host, local_serv, INET_CLIENT); +} + +static VALUE +tcp_sockaddr(struct sockaddr *addr, socklen_t len) +{ + return rsock_make_ipaddr(addr, len); +} + +/* + * call-seq: + * TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] + * + * Lookups host information by _hostname_. + * + * TCPSocket.gethostbyname("localhost") + * #=> ["localhost", ["hal"], 2, "127.0.0.1"] + * + */ +static VALUE +tcp_s_gethostbyname(VALUE obj, VALUE host) +{ + rb_secure(3); + return rsock_make_hostent(host, rsock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), + tcp_sockaddr); +} + +void +rsock_init_tcpsocket(void) +{ + /* + * Document-class: TCPSocket < IPSocket + * + * TCPSocket represents a TCP/IP client socket. + * + * A simple client may look like: + * + * require 'socket' + * + * s = TCPSocket.new 'localhost', 2000 + * + * while line = s.gets # Read lines from socket + * puts line # and print them + * end + * + * s.close # close socket when done + * + */ + rb_cTCPSocket = rb_define_class("TCPSocket", rb_cIPSocket); + rb_define_singleton_method(rb_cTCPSocket, "gethostbyname", tcp_s_gethostbyname, 1); + rb_define_method(rb_cTCPSocket, "initialize", tcp_init, -1); +} |