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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <obex/transport/obexactivereader.h> |
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17 #include <es_sock.h> |
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18 #include "logger.h" |
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19 |
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20 #ifdef __FLOG_ACTIVE |
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21 _LIT8(KLogComponent, "OBEXCT"); |
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22 #endif |
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23 |
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24 /** |
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25 Factory function. |
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26 @param aOwner the owner of this |
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27 @param aSocket a socket for reading and writing |
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28 @param aInfo connection information |
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29 @return Ownership of a new active reader. |
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30 */ |
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31 EXPORT_C CObexActiveReader* CObexActiveReader::NewL(MObexTransportNotify& aOwner, RSocket& aSocket, TObexConnectionInfo& aInfo) |
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32 { |
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33 CObexActiveReader* self = new(ELeave) CObexActiveReader(aOwner, aSocket, aInfo); |
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34 CleanupStack::PushL(self); |
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35 self->BaseConstructL(); |
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36 CleanupStack::Pop(self); |
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37 return self; |
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38 } |
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39 |
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40 /** |
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41 Constructor |
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42 @param aOwner the owner of this |
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43 @param aSocket a socket for reading and writing |
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44 @param aInfo connection information |
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45 */ |
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46 CObexActiveReader::CObexActiveReader (MObexTransportNotify& aOwner, RSocket& aSocket, TObexConnectionInfo& aInfo) |
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47 : CObexReaderBase (EPriorityStandard, aOwner, aInfo), |
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48 iSocket(aSocket) |
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49 { |
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50 LOG_LINE |
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51 LOG_FUNC |
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52 } |
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53 |
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54 /** |
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55 Destructor |
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56 */ |
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57 EXPORT_C CObexActiveReader::~CObexActiveReader () |
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58 { |
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59 LOG_LINE |
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60 LOG_FUNC |
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61 |
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62 Cancel (); |
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63 } |
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64 |
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65 /** |
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66 Called to actually transfer some data into iLocation |
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67 */ |
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68 void CObexActiveReader::DoTransfer () |
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69 { |
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70 LOG_FUNC |
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71 |
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72 iSocket.Recv(iLocation, KSockReadContinuation, iStatus); |
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73 SetActive (); |
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74 } |
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75 |
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76 /** |
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77 Return the maximum packet size |
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78 @return TInt the maximum packet size for this transport |
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79 */ |
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80 TInt CObexActiveReader::GetMaxPacketSize() |
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81 { |
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82 LOG_FUNC |
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83 |
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84 // Some slightly dubious logic here... |
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85 // IrDA has a degenerate case when running over a 256 byte transport layer link, we claim |
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86 // to support <255 bytes. The Obex spec says that all stations must be able to handle |
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87 // 255 bytes, so some stacks may ignore our limit. |
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88 // Thus we compare against the actual buffer size, rather than what we told the remote end |
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89 // we could handle, so we *may* be able to handle being sent a few bytes more than expected... |
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90 |
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91 TInt ret = GetObexPacketBufferSize(); |
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92 LOG1(_L8("\tret = %d"), ret); |
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93 return ret; |
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94 } |
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95 |
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96 /** |
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97 Returns a initial packet size when the packet size of iPacket is not know. This is used |
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98 when determining the remaining bytes to be read. |
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99 @return TInt the initial packet size |
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100 */ |
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101 TInt CObexActiveReader::GetInitialPacketSize () |
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102 { |
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103 LOG_FUNC |
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104 |
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105 return GetObexPacketHeaderSize(); |
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106 } |
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107 |
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108 void CObexActiveReader::DoCancel () |
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109 { |
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110 LOG_FUNC |
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111 |
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112 iSocket.CancelRecv (); |
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113 } |