1 files changed, 121 insertions, 0 deletions
diff --git a/ext/socket/unixserver.c b/ext/socket/unixserver.c
new file mode 100644
index 0000000000..0ea5ac083c
--- /dev/null
+++ b/ext/socket/unixserver.c
@@ -0,0 +1,121 @@
+/************************************************
+
+  unixserver.c -
+
+  created at: Thu Mar 31 12:21:29 JST 1994
+
+  Copyright (C) 1993-2007 Yukihiro Matsumoto
+
+************************************************/
+
+#include "rubysocket.h"
+
+#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN
+/*
+ * call-seq:
+ *   UNIXServer.new(path) => unixserver
+ *
+ * Creates a new UNIX server socket bound to _path_.
+ *
+ *   require 'socket'
+ *
+ *   serv = UNIXServer.new("/tmp/sock")
+ *   s = serv.accept
+ *   p s.read
+ */
+static VALUE
+unix_svr_init(VALUE sock, VALUE path)
+{
+    return rsock_init_unixsock(sock, path, 1);
+}
+
+/*
+ * call-seq:
+ *   unixserver.accept => unixsocket
+ *
+ * Accepts an incoming connection.
+ * It returns a new UNIXSocket object.
+ *
+ *   UNIXServer.open("/tmp/sock") {|serv|
+ *     UNIXSocket.open("/tmp/sock") {|c|
+ *       s = serv.accept
+ *       s.puts "hi"
+ *       s.close
+ *       p c.read #=> "hi\n"
+ *     }
+ *   }
+ *
+ */
+static VALUE
+unix_accept(VALUE server)
+{
+    struct sockaddr_un buffer;
+    socklen_t length = sizeof(buffer);
+
+    return rsock_s_accept(rb_cUNIXSocket, server, (struct sockaddr*)&buffer, &length);
+}
+
+/* :nodoc: */
+static VALUE
+unix_accept_nonblock(VALUE sock, VALUE ex)
+{
+    rb_io_t *fptr;
+    struct sockaddr_un from;
+    socklen_t fromlen;
+
+    GetOpenFile(sock, fptr);
+    fromlen = (socklen_t)sizeof(from);
+    return rsock_s_accept_nonblock(rb_cUNIXSocket, ex, fptr,
+                                   (struct sockaddr *)&from, &fromlen);
+}
+
+/*
+ * call-seq:
+ *   unixserver.sysaccept => file_descriptor
+ *
+ * Accepts a new connection.
+ * It returns the new file descriptor which is an integer.
+ *
+ *   UNIXServer.open("/tmp/sock") {|serv|
+ *     UNIXSocket.open("/tmp/sock") {|c|
+ *       fd = serv.sysaccept
+ *       s = IO.new(fd)
+ *       s.puts "hi"
+ *       s.close
+ *       p c.read #=> "hi\n"
+ *     }
+ *   }
+ *
+ */
+static VALUE
+unix_sysaccept(VALUE server)
+{
+    struct sockaddr_un buffer;
+    socklen_t length = sizeof(buffer);
+
+    return rsock_s_accept(0, server, (struct sockaddr*)&buffer, &length);
+}
+
+#endif
+
+void
+rsock_init_unixserver(void)
+{
+#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN
+    /*
+     * Document-class: UNIXServer < UNIXSocket
+     *
+     * UNIXServer represents a UNIX domain stream server socket.
+     *
+     */
+    rb_cUNIXServer = rb_define_class("UNIXServer", rb_cUNIXSocket);
+    rb_define_method(rb_cUNIXServer, "initialize", unix_svr_init, 1);
+    rb_define_method(rb_cUNIXServer, "accept", unix_accept, 0);
+
+    rb_define_private_method(rb_cUNIXServer,
+                             "__accept_nonblock", unix_accept_nonblock, 1);
+
+    rb_define_method(rb_cUNIXServer, "sysaccept", unix_sysaccept, 0);
+    rb_define_method(rb_cUNIXServer, "listen", rsock_sock_listen, 1); /* in socket.c */
+#endif
+}