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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <string.h> |
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20 #include <unistd.h> |
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21 #include <bttypes.h> |
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22 |
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23 #include "logger.h" |
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24 #include "fs_methodcall.h" |
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25 #include "functionserver.h" |
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26 #include "javasymbianoslayer.h" |
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27 |
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28 #include "bluetoothfunctionserver.h" |
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29 #include "bluetoothclientconnection.h" |
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30 #include <string.h> |
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31 |
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32 using namespace std; |
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33 |
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34 using namespace java::util; |
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35 using namespace java::bluetooth; |
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36 |
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37 OS_EXPORT BluetoothClientConnection::BluetoothClientConnection |
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38 (BluetoothFunctionServer* server): |
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39 mServer(server), |
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40 mShutdownNotifyMonitor(NULL), |
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41 mReadNotifyMonitor(NULL), |
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42 mBuffer(NULL, 0), |
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43 mSendNotifyMonitor(NULL), |
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44 mNegotiatedReceiveMtu(0), |
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45 mNegotiatedTransmitMtu(0), |
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46 mRemoteBTAddr(0), |
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47 mConnectNotifyMonitor(NULL), |
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48 mMakeJavaCallbackOnRead(EFalse), |
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49 mReadPending(EFalse), |
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50 mBufferInitialized(EFalse) |
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51 { |
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52 JELOG2(EJavaBluetooth); |
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53 } |
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54 |
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55 OS_EXPORT BluetoothClientConnection::BluetoothClientConnection |
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56 (CBluetoothSocket* aSocket, BluetoothFunctionServer* aServer): |
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57 mServer(aServer), |
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58 mSocket(aSocket), |
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59 mShutdownNotifyMonitor(NULL), |
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60 mReadNotifyMonitor(NULL), |
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61 mBuffer(NULL, 0), |
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62 mSendNotifyMonitor(NULL), |
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63 mNegotiatedReceiveMtu(0), |
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64 mNegotiatedTransmitMtu(0), |
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65 mRemoteBTAddr(0), |
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66 mMakeJavaCallbackOnRead(EFalse), |
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67 mReadPending(EFalse), |
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68 mBufferInitialized(EFalse) |
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69 { |
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70 JELOG2(EJavaBluetooth); |
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71 } |
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72 |
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73 OS_EXPORT BluetoothClientConnection::~BluetoothClientConnection() |
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74 { |
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75 JELOG2(EJavaBluetooth); |
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76 |
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77 CloseFs(); |
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78 delete mReadNotifyMonitor; |
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79 delete mSendNotifyMonitor; |
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80 delete mShutdownNotifyMonitor; |
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81 if (mBufferInitialized) |
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82 { |
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83 delete mBuffer.Ptr(); |
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84 } |
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85 } |
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86 |
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87 // NOTE: |
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88 // TO be called by server objects doing accept and open. |
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89 // To be called always in Function server context |
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90 // Must be called only after connection has been successfully established |
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91 OS_EXPORT void BluetoothClientConnection::initialize(int protocol, |
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92 TInt64 aRemoteAddr, int aReceiveMtu, int aTransmitMtu) |
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93 { |
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94 JELOG2(EJavaBluetooth); |
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95 // Set CBluetoothSocket to notify this object on events. |
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96 mSocket->SetNotifier(*this); |
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97 mProtocol = protocol; |
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98 mRemoteBTAddr = aRemoteAddr; |
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99 mNegotiatedReceiveMtu = aReceiveMtu; |
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100 mNegotiatedTransmitMtu = aTransmitMtu; |
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101 |
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102 // Because of this call, we must call initialize in FS context |
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103 ReceiveData(); |
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104 } |
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105 |
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106 OS_EXPORT int BluetoothClientConnection::init(int protocol) |
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107 { |
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108 JELOG2(EJavaBluetooth); |
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109 TRAPD(result, CallMethodL(this, &BluetoothClientConnection::InitL, |
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110 protocol, mServer)); |
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111 return result; |
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112 } |
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113 |
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114 /** |
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115 * Should be called in FunctionServer Context before any method of this class is called |
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116 * Look at bluetoothconsts.h for constants: |
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117 * PROTOCOL_L2CAP for L2CAP & PROTOCOL_RFCOMM for RFCOMM |
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118 */ |
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119 void BluetoothClientConnection::InitL(TInt protocol) |
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120 { |
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121 JELOG2(EJavaBluetooth); |
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122 //Connect to SocketServer |
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123 User::LeaveIfError(mSocketServ.Connect()); |
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124 User::LeaveIfError(mSocketServ.ShareAuto()); |
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125 TProtocolDesc pdesc; |
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126 |
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127 if (PROTOCOL_L2CAP == protocol) |
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128 { |
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129 User::LeaveIfError(mSocketServ.FindProtocol(KL2CAPDesC(), pdesc)); |
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130 mSocket = CBluetoothSocket::NewL(*this, mSocketServ, pdesc.iSockType, |
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131 KL2CAP); |
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132 } |
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133 else |
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134 { |
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135 User::LeaveIfError(mSocketServ.FindProtocol(KRFCOMMDesC(), pdesc)); |
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136 mSocket = CBluetoothSocket::NewL(*this, mSocketServ, pdesc.iSockType, |
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137 KRFCOMM); |
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138 } |
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139 mProtocol = protocol; |
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140 } |
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141 |
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142 OS_EXPORT void BluetoothClientConnection::close() |
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143 { |
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144 if (NULL == mShutdownNotifyMonitor) |
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145 { |
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146 mShutdownNotifyMonitor = Monitor::createMonitor(); |
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147 } |
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148 CallMethod(this, &BluetoothClientConnection::CloseFs, mServer); |
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149 mShutdownNotifyMonitor->wait(); |
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150 delete mSocket; |
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151 mSocket = 0; |
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152 } |
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153 |
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154 void BluetoothClientConnection::CloseFs() |
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155 { |
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156 JELOG2(EJavaBluetooth); |
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157 if (mSocket) |
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158 { |
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159 mMakeJavaCallbackOnRead = EFalse; |
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160 mSocket->CancelAll(); |
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161 mSocket->Shutdown(RSocket::EImmediate); |
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162 } |
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163 } |
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164 |
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165 /** |
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166 * Calls ReceiveData in FunctionServer Context and allocates |
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167 * memory needed and assigns to inBuf |
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168 */ |
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169 OS_EXPORT int BluetoothClientConnection::receive(char* &inBuf) |
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170 { |
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171 JELOG2(EJavaBluetooth); |
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172 // This receive must read the data already buffered and return the data. |
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173 // For L2CAP the size of internal buffer should be the same as the |
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174 // negotiated receive mtu. |
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175 // For RFCOMM, it must be the same as java side buffer. |
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176 // receive never blocks. |
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177 |
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178 int returnValue = mReadStatus; |
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179 if (KErrNone == mReadStatus) |
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180 { |
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181 //Assign output parameter. |
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182 int dataRead = mBuffer.Length(); |
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183 |
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184 inBuf = new char[dataRead + 1]; |
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185 memcpy(inBuf, mBuffer.Ptr(), dataRead); |
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186 inBuf[dataRead] = 0; |
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187 |
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188 LOG1(EJavaBluetooth, EInfo, |
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189 " BluetoothClientConnection::receive: Length of inBuf: %d", |
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190 strlen((inBuf))); |
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191 LOG1(EJavaBluetooth, EInfo, |
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192 "- BluetoothClientConnection::receive: Length: %d", dataRead); |
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193 returnValue = dataRead; |
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194 } |
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195 else |
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196 { |
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197 if (KErrEof == mReadStatus) |
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198 { |
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199 LOG(EJavaBluetooth, EInfo, |
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200 "- BluetoothClientConnection::receive: EOF"); |
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201 returnValue = 0; |
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202 } |
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203 else if (KErrDisconnected == mReadStatus) |
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204 { |
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205 ELOG(EJavaBluetooth, |
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206 "- BluetoothClientConnection::receive Disconnected"); |
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207 return returnValue; |
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208 } |
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209 } |
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210 |
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211 // Trigger next read before returning. |
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212 CallMethod(mReadStatus, this, &BluetoothClientConnection::ReceiveData, |
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213 mServer); |
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214 // IF we reach here, it means that something got messed up :) |
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215 return returnValue; |
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216 } |
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217 |
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218 OS_EXPORT void BluetoothClientConnection::registerCallback(JNIEnv* aJni, |
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219 jobject peer) |
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220 { |
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221 JELOG2(EJavaBluetooth); |
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222 if (!(mServer->attachedToVm())) |
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223 { |
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224 LOG(EJavaBluetooth, EInfo, |
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225 "+ BluetoothClientConnection::registerCallback Attaching to VM." |
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226 " Should be called only in case of Push"); |
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227 mServer->attach(aJni, peer); |
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228 } |
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229 mMakeJavaCallbackOnRead = ETrue; |
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230 |
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231 jclass peerClass = aJni->GetObjectClass(peer); |
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232 mReadCompleteCallback = aJni->GetMethodID(peerClass, |
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233 "receiveCompleteCallback", "(J)V"); |
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234 } |
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235 |
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236 void BluetoothClientConnection::makeReadCompleteCallback() |
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237 { |
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238 JELOG2(EJavaBluetooth); |
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239 JNIEnv* jni = mServer->getValidJniEnv(); |
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240 jobject peer = mServer->getPeer(); |
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241 |
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242 (*jni).CallVoidMethod(peer, mReadCompleteCallback, |
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243 reinterpret_cast<jlong>(this)); |
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244 |
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245 mMakeJavaCallbackOnRead = EFalse; |
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246 } |
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247 |
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248 //Should be called in FunctionServer context. |
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249 TInt BluetoothClientConnection::ReceiveData() |
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250 { |
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251 JELOG2(EJavaBluetooth); |
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252 |
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253 if (!mBufferInitialized) |
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254 { |
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255 TUint8 *tempBuf = NULL; |
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256 int length = 512; |
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257 if (PROTOCOL_L2CAP == mProtocol) |
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258 { |
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259 length = mNegotiatedReceiveMtu; |
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260 tempBuf = new TUint8[length]; |
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261 } |
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262 else |
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263 { |
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264 tempBuf = new TUint8[length]; |
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265 // NOTE: Size of this buffer should be the same as that specifie in BluetoothStreamer. |
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266 } |
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267 mBuffer.Set(tempBuf, 0, length); |
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268 mBufferInitialized = ETrue; |
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269 } |
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270 |
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271 TInt error = 0; |
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272 |
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273 //RecvOneOrMore does not block until the whole buffer is filled. |
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274 //Returns as soon as some data is available. |
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275 if (PROTOCOL_L2CAP == mProtocol) |
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276 { |
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277 // mBuffer should be the same as the negotiated MTU value. |
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278 error = mSocket->Read(mBuffer); |
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279 } |
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280 else |
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281 { |
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282 LOG1( |
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283 EJavaBluetooth, |
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284 EInfo, |
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285 " BluetoothClientConnection::ReceiveData on RFCOMM Length: %d", |
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286 mBuffer.MaxSize()); |
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287 error = mSocket->RecvOneOrMore(mBuffer, 0, mSockXfrLength); |
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288 } |
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289 |
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290 if (KErrNone == error) |
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291 { |
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292 mReadPending = true; |
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293 } |
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294 |
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295 LOG1(EJavaBluetooth, EInfo, |
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296 "- BluetoothClientConnection::ReceiveData Err:%d", error); |
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297 return error; |
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298 } |
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299 |
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300 /** |
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301 * Sends data by calling SendData in Function Server context. |
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302 * Blocks until send is complete. |
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303 */ |
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304 OS_EXPORT int BluetoothClientConnection::send(const char* data, int length) |
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305 { |
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306 JELOG2(EJavaBluetooth); |
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307 LOG1(EJavaBluetooth, EInfo, " BluetoothClientConnection::send: Data Length: %d ", |
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308 length); |
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309 |
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310 if (KErrDisconnected == mReadStatus) |
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311 { |
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312 ELOG(EJavaBluetooth, " BluetoothClientConnection::send Disconnected"); |
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313 return mReadStatus; |
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314 } |
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315 |
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316 if (NULL == data || 0 == length) |
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317 { |
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318 return 0; |
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319 } |
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320 |
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321 if (!mSendNotifyMonitor) |
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322 { |
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323 mSendNotifyMonitor = Monitor::createMonitor(); |
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324 } |
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325 |
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326 TPtr8 dataPtr((TUint8 *) data, length, length); |
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327 LOG1(EJavaBluetooth, EInfo, |
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328 " BluetoothClientConnection::send: Sending data length:%d", length); |
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329 |
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330 TInt error = 0; |
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331 CallMethod(error, this, &BluetoothClientConnection::SendData, dataPtr, |
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332 mServer); |
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333 |
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334 LOG(EJavaBluetooth, EInfo, |
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335 " BluetoothClientConnection::send: Waiting for data to come back"); |
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336 |
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337 if (KErrNone == error) |
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338 { |
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339 mSendNotifyMonitor->wait(); |
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340 } |
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341 else |
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342 { |
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343 return error; |
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344 } |
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345 |
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346 ELOG1(EJavaBluetooth, |
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347 "- BluetoothClientConnection::send: Sent status:%d", mWriteStatus); |
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348 |
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349 return mWriteStatus; |
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350 } |
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351 |
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352 |
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353 TInt BluetoothClientConnection::SendData(const TDesC8& aData) |
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354 { |
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355 JELOG2(EJavaBluetooth); |
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356 return mSocket->Send(aData, 0); |
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357 } |
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358 |
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359 OS_EXPORT int BluetoothClientConnection::connect(long long aBtAddress, |
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360 int aChannel, bool aAuthenticate, bool aEncrypt, int aReceiveMTU, |
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361 int aTransmitMTU) |
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362 { |
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363 JELOG2(EJavaBluetooth); |
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364 if (NULL == mConnectNotifyMonitor) |
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365 { |
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366 mConnectNotifyMonitor = Monitor::createMonitor(); |
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367 } |
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368 |
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369 TInt auth = (aAuthenticate) ? 1 : 0; |
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370 TInt enc = (aEncrypt) ? 1 : 0; |
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371 TInt64 btAddress = aBtAddress; |
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372 TInt channel = aChannel; |
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373 mRequestedRMtu = aReceiveMTU; |
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374 mRequestedTMtu = aTransmitMTU; |
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375 |
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376 TInt retVal = 0; |
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377 CallMethod(retVal, this, &BluetoothClientConnection::Connect, btAddress, |
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378 channel, auth, enc, mRequestedRMtu, mRequestedTMtu, mServer); |
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379 |
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380 if (0 == retVal) |
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381 { |
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382 mRemoteBTAddr = aBtAddress; |
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383 // Will be notified by HandleConnectCompleteL() |
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384 mConnectNotifyMonitor->wait(); |
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385 return mConnectError; |
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386 } |
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387 |
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388 return retVal; |
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389 } |
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390 |
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391 TInt BluetoothClientConnection::Connect(TInt64 btAddress, TInt channel, |
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392 TInt authenticate, TInt encrypt, TInt receiveMTU, TInt transmitMTU) |
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393 { |
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394 JELOG2(EJavaBluetooth); |
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395 LOG3( |
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396 EJavaBluetooth, |
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397 EInfo, |
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398 " BluetoothClientConnection::Connect: Channel %d, RMTU: %d TMTU %d", |
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399 channel, receiveMTU, transmitMTU); |
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400 LOG1(EJavaBluetooth, EInfo, " BluetoothClientConnection::Connect %lX", |
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401 btAddress); |
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402 LOG(EJavaBluetooth, EInfo, |
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403 " BluetoothClientConnection::Connect: Applying Settings"); |
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404 |
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405 TBTDevAddr btDeviceAddress(btAddress); |
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406 TBTSockAddr btsockaddr; |
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407 btsockaddr.SetBTAddr(btDeviceAddress); |
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408 btsockaddr.SetPort(channel); |
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409 |
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410 // Set security |
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411 TBTServiceSecurity secSettings; |
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412 if (authenticate == EFalse) |
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413 secSettings.SetAuthentication(EFalse); |
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414 else |
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415 secSettings.SetAuthentication(ETrue); |
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416 |
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417 if (encrypt == EFalse) |
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418 secSettings.SetEncryption(EFalse); |
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419 else |
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420 secSettings.SetEncryption(ETrue); |
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421 // Attach the security settings. |
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422 btsockaddr.SetSecurity(secSettings); |
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423 |
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424 if (PROTOCOL_L2CAP == mProtocol) |
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425 { |
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426 TL2CapConfigPkg options; |
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427 |
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428 if (receiveMTU >= KL2MinMTU) |
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429 options().SetMaxReceiveUnitSize(receiveMTU); |
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430 else |
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431 options().SetMaxReceiveUnitSize(DEFAULT_MTU); |
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432 |
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433 if (transmitMTU >= KL2MinMTU) |
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434 options().SetMaxTransmitUnitSize(transmitMTU); |
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435 |
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436 mSocket->SetOpt(KL2CAPUpdateChannelConfig, KSolBtL2CAP, options); |
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437 } |
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438 |
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439 // Will be set once handle connect complete is called. |
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440 mConnectError = 0; |
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441 LOG(EJavaBluetooth, EInfo, |
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442 " BluetoothClientConnection::StartListenerL: Connecting to Server"); |
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443 int error = mSocket->Connect(btsockaddr); |
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444 return error; |
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445 } |
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446 |
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447 OS_EXPORT int BluetoothClientConnection::getTransmitMTU() |
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448 { |
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449 return mNegotiatedTransmitMtu; |
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450 } |
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451 |
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452 OS_EXPORT int BluetoothClientConnection::getReceiveMTU() |
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453 { |
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454 return mNegotiatedReceiveMtu; |
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455 } |
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456 |
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457 OS_EXPORT long long BluetoothClientConnection::getRemoteAddress() |
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458 { |
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459 JELOG2(EJavaBluetooth); |
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460 |
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461 if (mRemoteBTAddr) |
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462 { |
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463 return mRemoteBTAddr; |
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464 } |
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465 |
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466 return -1; |
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467 } |
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468 |
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469 OS_EXPORT long BluetoothClientConnection::available() |
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470 { |
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471 JELOG2(EJavaBluetooth); |
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472 if (KErrDisconnected == mReadStatus) |
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473 { |
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474 ELOG(EJavaBluetooth, |
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475 " BluetoothClientConnection::available Disconnected"); |
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476 return mReadStatus; |
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477 } |
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478 |
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479 if (mReadPending) |
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480 { |
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481 return 0; |
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482 } |
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483 else |
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484 { |
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485 return mBuffer.Length(); |
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486 } |
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487 } |
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488 |
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489 //------------------------------------------------------------------------------ |
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490 // Methods from MBluetoothSocketNotifier to handle Bluetooth Events |
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491 //------------------------------------------------------------------------------ |
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492 |
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493 //Notification of an accept complete event |
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494 void BluetoothClientConnection::HandleAcceptCompleteL(TInt /*err*/) |
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495 { |
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496 LOG1(EJavaBluetooth, EInfo, |
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497 "+ BluetoothClientConnection::HandleAcceptCompleteL %s", |
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498 "WARNING: Nothing to handle in this event !!"); |
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499 } |
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500 |
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501 // Notification of a baseband event |
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502 void BluetoothClientConnection::HandleActivateBasebandEventNotifierCompleteL( |
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503 TInt /*aErr*/, TBTBasebandEventNotification& /*aEventNotification*/) |
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504 { |
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505 LOG1( |
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506 EJavaBluetooth, |
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507 EInfo, |
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508 "+ BluetoothClientConnection::HandleActivateBasebandEventNotifierCompleteL %s", |
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509 "WARNING: Nothing to handle in this event !!"); |
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510 } |
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511 |
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512 //Notification of a connection complete event |
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513 void BluetoothClientConnection::HandleConnectCompleteL(TInt err) |
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514 { |
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515 JELOG2(EJavaBluetooth); |
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516 mConnectError = err; |
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517 LOG1(EJavaBluetooth, EInfo, |
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518 " BluetoothClientConnection::HandleConnectCompleteL: %d", err); |
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519 |
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520 if (KErrNone == mConnectError && PROTOCOL_L2CAP == mProtocol) |
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521 { |
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522 mSocket->GetOpt(KL2CAPInboundMTU, KSolBtL2CAP, mNegotiatedReceiveMtu); |
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523 mSocket->GetOpt(KL2CAPNegotiatedOutboundMTU, KSolBtL2CAP, |
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524 mNegotiatedTransmitMtu); |
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525 |
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526 LOG1( |
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527 EJavaBluetooth, |
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528 EInfo, |
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529 " BluetoothClientConnection::HandleConnectCompleteL Negotiate Rx %d", |
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530 mNegotiatedReceiveMtu); |
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531 LOG1( |
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532 EJavaBluetooth, |
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533 EInfo, |
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534 " BluetoothClientConnection::HandleConnectCompleteL Negotiate Tx %d", |
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535 mNegotiatedTransmitMtu); |
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536 |
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537 } |
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538 mConnectNotifyMonitor->notify(); |
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539 |
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540 if (KErrNone == mConnectError) |
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541 { |
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542 // Start to fetch data immediately. |
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543 ReceiveData(); |
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544 } |
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545 } |
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546 |
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547 //Notification of a ioctl complete event |
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548 void BluetoothClientConnection::HandleIoctlCompleteL(TInt /*err*/) |
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549 { |
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550 LOG1(EJavaBluetooth, EInfo, |
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551 "+ BluetoothClientConnection::HandleIoctlCompleteL %s", |
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552 "WARNING: Nothing to handle in this event !!"); |
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553 } |
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554 |
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555 //Notification of a receive complete event |
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556 void BluetoothClientConnection::HandleReceiveCompleteL(TInt err) |
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557 { |
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558 JELOG2(EJavaBluetooth); |
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559 mReadStatus = 0; |
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560 |
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561 // Here following operations are performed. |
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562 // 1. Store receive status. |
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563 // 2. Store amount of data read. |
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564 // 3. Change flag to not receiving. |
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565 |
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566 if (err != KErrNone) |
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567 { |
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568 ELOG1( |
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569 EJavaBluetooth, |
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570 " BluetoothClientConnection::HandleReceiveCompleteL: Error: %d", |
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571 err); |
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572 mReadStatus = err; |
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573 } |
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574 else |
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575 { |
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576 LOG1( |
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577 EJavaBluetooth, |
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578 EInfo, |
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579 " BluetoothClientConnection::HandleReceiveCompleteL: EWaiting Length: %d", |
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580 mBuffer.Length()); |
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581 } |
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582 if (mMakeJavaCallbackOnRead) |
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583 { |
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584 LOG(EJavaBluetooth, EInfo, |
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585 " BluetoothClientConnection::HandleReceiveCompleteL: Calling java"); |
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586 makeReadCompleteCallback(); |
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587 } |
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588 mReadPending = EFalse; |
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589 |
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590 } |
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591 |
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592 //Notification of a send complete event |
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593 void BluetoothClientConnection::HandleSendCompleteL(TInt err) |
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594 { |
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595 JELOG2(EJavaBluetooth); |
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596 LOG1(EJavaBluetooth, EInfo, |
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597 " BluetoothClientConnection::HandleSendCompleteL %d: ", err); |
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598 mWriteStatus = 0; |
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599 if (err != KErrNone) |
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600 { |
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601 mWriteStatus = err; |
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602 } |
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603 mSendNotifyMonitor->notify(); |
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604 } |
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605 |
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606 //Notification of a shutdown complete event |
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607 void BluetoothClientConnection::HandleShutdownCompleteL(TInt /*err*/) |
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608 { |
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609 // LOG1(EJavaBluetooth, EInfo, |
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610 // "+ BluetoothClientConnection::HandleShutdownCompleteL Err:%d", err); |
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611 |
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612 mShutdownNotifyMonitor->notify(); |
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613 } |
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614 |