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package org.activeio.net;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.Socket;
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import java.net.SocketAddress;
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import java.net.SocketException;
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import java.net.SocketTimeoutException;
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import org.activeio.Packet;
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import org.activeio.SynchChannel;
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import org.activeio.SynchChannelServer;
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import org.activeio.Packet.ByteSequence;
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import org.activeio.packet.ByteArrayPacket;
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import org.activeio.packet.EOSPacket;
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import org.activeio.packet.EmptyPacket;
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38
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40
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41
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44
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public class SocketSynchChannel implements SynchChannel, SocketMetadata {
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protected static final int DEFAULT_BUFFER_SIZE = 64 * 1024;
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48
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private final Socket socket;
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private final OutputStream out;
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private final InputStream in;
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private boolean disposed;
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private int curentSoTimeout;
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private Packet inputPacket;
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81
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protected SocketSynchChannel(Socket socket) throws IOException {
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82
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this.socket = socket;
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81
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socket.setReceiveBufferSize(DEFAULT_BUFFER_SIZE);
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80
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socket.setSendBufferSize(DEFAULT_BUFFER_SIZE);
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82
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in = socket.getInputStream();
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80
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out = socket.getOutputStream();
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}
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64
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65
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66
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67
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4189
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public org.activeio.Packet read(long timeout) throws IOException {
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4189
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try {
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70
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4189
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if( timeout==SynchChannelServer.WAIT_FOREVER_TIMEOUT )
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0
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setSoTimeout( 0 );
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4189
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else if( timeout==SynchChannelServer.NO_WAIT_TIMEOUT )
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0
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setSoTimeout( 1 );
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else
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4189
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setSoTimeout( (int)timeout );
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4189
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if( inputPacket==null || !inputPacket.hasRemaining() ) {
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46
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inputPacket = allocatePacket();
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}
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81
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4189
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ByteSequence sequence = inputPacket.asByteSequence();
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82
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4189
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int size = in.read(sequence.getData(), sequence.getOffset(), sequence.getLength());
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83
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4132
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if( size == -1 )
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84
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20
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return EOSPacket.EOS_PACKET;
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85
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4112
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if( size == 0 )
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86
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0
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return EmptyPacket.EMPTY_PACKET;
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87
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4112
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inputPacket.position(size);
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88
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89
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4112
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Packet remaining = inputPacket.slice();
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90
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4112
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inputPacket.flip();
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91
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4112
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Packet data = inputPacket.slice();
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92
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93
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94
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4112
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inputPacket = remaining;
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95
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4112
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return data;
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96
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97
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} catch (SocketTimeoutException e) {
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98
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56
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return null;
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99
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}
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100
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}
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101
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|
102
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46
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private Packet allocatePacket() {
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103
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46
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return new ByteArrayPacket(new byte[DEFAULT_BUFFER_SIZE]);
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104
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}
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105
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106
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4189
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protected void setSoTimeout(int i) throws SocketException {
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107
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4189
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if( curentSoTimeout != i ) {
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108
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57
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socket.setSoTimeout(i);
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109
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57
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curentSoTimeout = i;
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110
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}
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111
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}
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112
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113
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114
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115
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116
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4120
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public void write(Packet packet) throws IOException {
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117
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4120
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packet.writeTo(out);
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118
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}
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119
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120
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121
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122
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|
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123
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4093
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public void flush() throws IOException {
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124
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4093
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out.flush();
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125
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}
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126
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|
127
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|
128
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|
129
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|
130
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74
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public void dispose() {
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131
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74
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if (disposed)
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132
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6
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return;
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133
|
|
|
134
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68
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try {
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135
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68
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out.close();
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136
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} catch (IOException ignore) {
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137
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}
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138
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68
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try {
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139
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68
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in.close();
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140
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} catch (IOException ignore) {
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141
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}
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142
|
68
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try {
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143
|
68
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socket.close();
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144
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} catch (IOException ignore) {
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145
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}
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146
|
68
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disposed = true;
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147
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}
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148
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|
|
149
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68
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public void start() throws IOException {
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150
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}
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151
|
12
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public void stop(long timeout) throws IOException {
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152
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}
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153
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|
154
|
4
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public InetAddress getInetAddress() {
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155
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4
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return socket.getInetAddress();
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156
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}
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157
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0
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public boolean getKeepAlive() throws SocketException {
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158
|
0
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return socket.getKeepAlive();
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159
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}
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160
|
0
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public InetAddress getLocalAddress() {
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161
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0
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return socket.getLocalAddress();
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162
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}
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163
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2
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public int getLocalPort() {
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164
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2
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return socket.getLocalPort();
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165
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}
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166
|
44
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public SocketAddress getLocalSocketAddress() {
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167
|
44
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return socket.getLocalSocketAddress();
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168
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}
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169
|
0
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public boolean getOOBInline() throws SocketException {
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170
|
0
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return socket.getOOBInline();
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171
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}
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172
|
2
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public int getPort() {
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173
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2
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return socket.getPort();
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174
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}
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175
|
0
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public int getReceiveBufferSize() throws SocketException {
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176
|
0
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return socket.getReceiveBufferSize();
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177
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}
|
178
|
44
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public SocketAddress getRemoteSocketAddress() {
|
179
|
44
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return socket.getRemoteSocketAddress();
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180
|
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}
|
181
|
0
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public boolean getReuseAddress() throws SocketException {
|
182
|
0
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return socket.getReuseAddress();
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183
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|
}
|
184
|
0
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public int getSendBufferSize() throws SocketException {
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185
|
0
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return socket.getSendBufferSize();
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186
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}
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187
|
0
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public int getSoLinger() throws SocketException {
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188
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0
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return socket.getSoLinger();
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189
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}
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190
|
0
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public int getSoTimeout() throws SocketException {
|
191
|
0
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return socket.getSoTimeout();
|
192
|
|
}
|
193
|
0
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public boolean getTcpNoDelay() throws SocketException {
|
194
|
0
|
return socket.getTcpNoDelay();
|
195
|
|
}
|
196
|
0
|
public int getTrafficClass() throws SocketException {
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197
|
0
|
return socket.getTrafficClass();
|
198
|
|
}
|
199
|
0
|
public boolean isBound() {
|
200
|
0
|
return socket.isBound();
|
201
|
|
}
|
202
|
0
|
public boolean isClosed() {
|
203
|
0
|
return socket.isClosed();
|
204
|
|
}
|
205
|
0
|
public boolean isConnected() {
|
206
|
0
|
return socket.isConnected();
|
207
|
|
}
|
208
|
0
|
public void setKeepAlive(boolean on) throws SocketException {
|
209
|
0
|
socket.setKeepAlive(on);
|
210
|
|
}
|
211
|
0
|
public void setOOBInline(boolean on) throws SocketException {
|
212
|
0
|
socket.setOOBInline(on);
|
213
|
|
}
|
214
|
0
|
public void setReceiveBufferSize(int size) throws SocketException {
|
215
|
0
|
socket.setReceiveBufferSize(size);
|
216
|
|
}
|
217
|
0
|
public void setReuseAddress(boolean on) throws SocketException {
|
218
|
0
|
socket.setReuseAddress(on);
|
219
|
|
}
|
220
|
0
|
public void setSendBufferSize(int size) throws SocketException {
|
221
|
0
|
socket.setSendBufferSize(size);
|
222
|
|
}
|
223
|
2
|
public void setSoLinger(boolean on, int linger) throws SocketException {
|
224
|
2
|
socket.setSoLinger(on, linger);
|
225
|
|
}
|
226
|
56
|
public void setTcpNoDelay(boolean on) throws SocketException {
|
227
|
56
|
socket.setTcpNoDelay(on);
|
228
|
|
}
|
229
|
0
|
public void setTrafficClass(int tc) throws SocketException {
|
230
|
0
|
socket.setTrafficClass(tc);
|
231
|
|
}
|
232
|
|
|
233
|
66
|
public Object narrow(Class target) {
|
234
|
66
|
if( target.isAssignableFrom(getClass()) ) {
|
235
|
66
|
return this;
|
236
|
|
}
|
237
|
0
|
return null;
|
238
|
|
}
|
239
|
|
|
240
|
26
|
public String toString() {
|
241
|
26
|
return "Socket Connection: "+getLocalSocketAddress()+" -> "+getRemoteSocketAddress();
|
242
|
|
}
|
243
|
|
}
|