001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.vfs;
030:
031: import java.io.IOException;
032: import java.net.InetAddress;
033: import java.nio.channels.SelectableChannel;
034: import java.security.cert.X509Certificate;
035:
036: /**
037: * Abstract socket to handle both normal sockets and JNI sockets.
038: */
039: abstract public class QSocket {
040: /**
041: * Returns the server inet address that accepted the request.
042: */
043: abstract public InetAddress getLocalAddress();
044:
045: /**
046: * Returns the server port that accepted the request.
047: */
048: abstract public int getLocalPort();
049:
050: /**
051: * Returns the remote client's inet address.
052: */
053: abstract public InetAddress getRemoteAddress();
054:
055: /**
056: * Returns the remote client's inet address.
057: */
058: public String getRemoteHost() {
059: return getRemoteAddress().getHostAddress();
060: }
061:
062: /**
063: * Returns the remote client's inet address.
064: */
065: public int getRemoteAddress(byte[] buffer, int offset, int length) {
066: String name = getRemoteHost();
067: int len = name.length();
068:
069: for (int i = 0; i < len; i++)
070: buffer[i + offset] = (byte) name.charAt(i);
071:
072: return len;
073: }
074:
075: /**
076: * Returns the remote client's inet address.
077: */
078: public long getRemoteIP() {
079: InetAddress addr = getRemoteAddress();
080: byte[] bytes = addr.getAddress();
081:
082: long address = 0;
083: for (int i = 0; i < bytes.length; i++)
084: address = 256 * address + (bytes[i] & 0xff);
085:
086: return address;
087: }
088:
089: /**
090: * Returns the remote client's port.
091: */
092: abstract public int getRemotePort();
093:
094: /**
095: * Returns true if the connection is secure.
096: */
097: public boolean isSecure() {
098: return false;
099: }
100:
101: /**
102: * Returns any selectable channel.
103: */
104: public SelectableChannel getSelectableChannel() {
105: return null;
106: }
107:
108: /**
109: * Read non-blocking
110: */
111: public boolean readNonBlock(int ms) {
112: return false;
113: }
114:
115: /**
116: * Returns the secure cipher algorithm.
117: */
118: public String getCipherSuite() {
119: return null;
120: }
121:
122: /**
123: * Returns the bits in the socket.
124: */
125: public int getCipherBits() {
126: return 0;
127: }
128:
129: /**
130: * Returns the client certificate.
131: */
132: public X509Certificate getClientCertificate()
133: throws java.security.cert.CertificateException {
134: return null;
135: }
136:
137: /**
138: * Returns the client certificate chain.
139: */
140: public X509Certificate[] getClientCertificates()
141: throws java.security.cert.CertificateException {
142: X509Certificate cert = getClientCertificate();
143:
144: if (cert != null)
145: return new X509Certificate[] { cert };
146: else
147: return null;
148: }
149:
150: /**
151: * Returns a stream impl for the socket encapsulating the
152: * input and output stream.
153: */
154: abstract public StreamImpl getStream() throws IOException;
155:
156: /**
157: * Returns the total number of bytes read from the socket connection.
158: */
159: abstract public long getTotalReadBytes();
160:
161: /**
162: * Returns the total number of bytes written to the socket connection.
163: */
164: abstract public long getTotalWriteBytes();
165:
166: /**
167: * returns true if it's closed.
168: */
169: abstract public boolean isClosed();
170:
171: abstract public void close() throws IOException;
172:
173: }
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