diff options
Diffstat (limited to 'ext/socket/tcpsocket.c')
-rw-r--r-- | ext/socket/tcpsocket.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/ext/socket/tcpsocket.c b/ext/socket/tcpsocket.c new file mode 100644 index 0000000000..76d938aaf4 --- /dev/null +++ b/ext/socket/tcpsocket.c @@ -0,0 +1,67 @@ +/************************************************ + + 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 init_inetsock(sock, remote_host, remote_serv, + local_host, local_serv, INET_CLIENT); +} + +static VALUE +tcp_sockaddr(struct sockaddr *addr, size_t len) +{ + return make_ipaddr(addr); +} + +/* + * 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 make_hostent(host, sock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), + tcp_sockaddr); +} + +/* + * TCPSocket class + */ +void +Init_tcpsocket(void) +{ + 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); +} |