wapstack/wapmessageapi/sws/WapBoundWDP.cpp
branchRCL_3
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17:3f227a47ad75 18:50bae5c5c85f
       
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include "WapBoundWDP.h"
       
    17 #include "WapMsgUtils.h"
       
    18 
       
    19 
       
    20 CSWSWapBoundWDPService* CSWSWapBoundWDPService::NewL()
       
    21 /**
       
    22 Static new function
       
    23 @internalComponent
       
    24 @released
       
    25 @since v8.0
       
    26 */
       
    27 	{
       
    28 	CSWSWapBoundWDPService* me = new(ELeave)CSWSWapBoundWDPService();
       
    29 	CleanupStack::PushL(me);
       
    30 	me->ConstructL();
       
    31 	CleanupStack::Pop(me);
       
    32 	return me;
       
    33 	}
       
    34 
       
    35 CSWSWapBoundWDPService::CSWSWapBoundWDPService()
       
    36 	: CWapBoundDatagramService()
       
    37 /**
       
    38 Constructor
       
    39 @internalComponent
       
    40 @released
       
    41 @since v8.0
       
    42 */
       
    43 	{
       
    44 	}
       
    45 
       
    46 CSWSWapBoundWDPService::~CSWSWapBoundWDPService()
       
    47 /**
       
    48 Destructor
       
    49 @internalComponent
       
    50 @released
       
    51 @since v8.0
       
    52 */
       
    53 	{
       
    54 	delete iAgent;	
       
    55 	}
       
    56 
       
    57 void CSWSWapBoundWDPService::ConstructL()
       
    58 /**
       
    59 Second Phase Constructor
       
    60 @internalComponent
       
    61 @released
       
    62 @since v8.0
       
    63 */
       
    64 	{
       
    65 	// Parent class construction
       
    66 	CWapBoundDatagramService::ConstructL();
       
    67 	iAgent=CWdpMessageApiAgent::NewL();	
       
    68 	}
       
    69 
       
    70 TInt CSWSWapBoundWDPService::Connect(Wap::TBearer aBearer, Wap::TPort aPort, TInetAddr /*aInetAddr*/)
       
    71 /** 
       
    72 Connect to the SWS, opening an endpoint that can be used to listen for subsequent incoming datagrams.
       
    73 @internalComponent
       
    74 @released
       
    75 @since v8.0
       
    76 @param aBearer the bearer to listen on (use EAll for all bearers)
       
    77 @param aPort the port to listen on. If set to 0, a local port will be chosen for the client's first SendTo
       
    78 @param aInetAddr the ip address of the network interface that should be used in a multihomed system.
       
    79 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
    80 */
       
    81 	{
       
    82 	return iAgent->Connect(aBearer, aPort, EFalse);
       
    83 	}
       
    84 
       
    85 TInt CSWSWapBoundWDPService::Connect(Wap::TBearer aBearer, Wap::TPort aPort)
       
    86 /**
       
    87 Connect to the SWS, opening an endpoint that can be used to listen for subsequent incoming datagrams.
       
    88 @internalComponent
       
    89 @released
       
    90 @since v8.0
       
    91 @param aBearer the bearer to listen on (use EAll for all bearers)
       
    92 @param aPort the port to listen on. If set to 0, a local port will be chosen for the client's first SendTo
       
    93 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
    94 */
       
    95 	{
       
    96 	TInetAddr inetAddr( KInetAddrAny, 0);
       
    97 	return (Connect(aBearer, aPort, inetAddr));
       
    98 	}
       
    99 
       
   100 TInt CSWSWapBoundWDPService::SendTo(const TDesC8& aRemoteHost, Wap::TPort aRemotePort,
       
   101 									 const TDesC8& aBuffer, Wap::TBearer aBearer)
       
   102 /**
       
   103 Send data to a remote endpoint.
       
   104 @internalComponent
       
   105 @released
       
   106 @since v8.0
       
   107 @param aRemoteHost the bearer-dependent address of the remote host to which the data will be sent
       
   108 @param aRemotePort the port on the remote host to which the data will be sent
       
   109 @param aBuffer the data buffer to be written over the connection
       
   110 @param aBearer the bearer to be used, if the bound connection was opened with 'all'
       
   111 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
   112 */
       
   113 	{
       
   114 	return iAgent->SendWdpMessage(aBuffer, aRemoteHost, aRemotePort, aBearer);
       
   115 	}
       
   116 
       
   117 TInt CSWSWapBoundWDPService::AwaitRecvDataSize(TPckg<TUint16>& aDataSizePckg, TRequestStatus& aReqStatus)
       
   118 /**
       
   119 Wait for a datagram to be received, and discover how large a buffer is required to retrieve it.
       
   120 This asyncronous method waits for a datagram to be received and will then complete allowing the client to discover how large a buffer
       
   121 is needed to retrieve the entire datagram that has been received.
       
   122 A subsiquent call to RecvFrom with a buffer of sufficent size will then allow the client to retrieve the datagram fully.
       
   123 @internalComponent
       
   124 @released
       
   125 @since v8.0
       
   126 @param aDataSizePckg the size of data subsequently received, in bytes
       
   127 @param aReqStatus used to signal when a data size is known
       
   128 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
   129 */
       
   130 	{
       
   131 	return iAgent->AwaitRecvDataSize(aDataSizePckg, aReqStatus);
       
   132 	}
       
   133 
       
   134 TInt CSWSWapBoundWDPService::RecvFrom(TDes8& aRemoteHost, Wap::TPort& aRemotePort, TDes8& aBuffer,
       
   135 									  TBool& aTruncated, TRequestStatus& aReqStatus, TUint32 aTimeout)
       
   136 /**
       
   137 receive data on a bound port.
       
   138 An asynchronous notification is sent to the client when data arrives.
       
   139 @internalComponent
       
   140 @released
       
   141 @since v8.0
       
   142 @param aRemoteHost the bearer-dependent address of the remote host from which the data was received
       
   143 @param aRemotePort the port on the remote host from which the data was received
       
   144 @param aBuffer a client-allocated data buffer to be filled with data received. Data that overflows the buffer is discarded.
       
   145 @param aTruncated indicates whether the received datagram was truncated to fit in the client's supplied buffer
       
   146 @param aReqStatus used to notify the client that a datagram was received
       
   147 @param aTimeout an optional millisecond time-out which allows a timed read to be made.  If no data is received 
       
   148 within the timeout period the request completes with KErrTimedOut. If a value of 0 is supplied the timeout is infinite.
       
   149 @retval TInt KErrNone on successful completion, or one of the system error codes on failure.
       
   150 */
       
   151 	{
       
   152 	return iAgent->ReceiveWdpMessage(aRemoteHost, aRemotePort, aBuffer, aTruncated, aReqStatus, aTimeout);
       
   153 	}
       
   154 
       
   155 void CSWSWapBoundWDPService::CancelRecv()
       
   156 /**
       
   157 Cancel a previously requested asynchronous RecvFrom or AwaitRecvDataSize notification. 
       
   158 If a datagram arrives at the local host, it will be discarded.
       
   159 @internalComponent
       
   160 @released
       
   161 @since v8.0
       
   162 */
       
   163 	{
       
   164 	iAgent->CancelRequest();
       
   165 	}
       
   166 
       
   167 TInt CSWSWapBoundWDPService::GetLocalPort(Wap::TPort& aPort)
       
   168 /** 
       
   169 Get the local port of this endpoint.Useful if one was chosen automatically.
       
   170 @internalComponent
       
   171 @released
       
   172 @since v8.0
       
   173 @param aPort the port number
       
   174 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
   175 */
       
   176 	{
       
   177 	return iAgent->GetLocalPort(aPort);
       
   178 	}
       
   179 
       
   180 TInt CSWSWapBoundWDPService::GetLocalAddress(HBufC8*& aLocalHost)
       
   181 /**
       
   182 Get the local address of this endpoint.
       
   183 @internalComponent
       
   184 @released
       
   185 @since v8.0
       
   186 @param aLocalHost the address of the local host. A reference to a HBufC8 pointer should 
       
   187 be passed in. This pointer MUST be null! A HBufC8 will be allocated to hold the address, ownership 
       
   188 of this buffer will be passed over to the client.
       
   189 @returns TInt KErrNone on successful completion, or one of the system error codes on failure.
       
   190 */
       
   191 	{
       
   192 	return iAgent->GetLocalAddress(aLocalHost);
       
   193 	}
       
   194 
       
   195 TInt CSWSWapBoundWDPService::GetBearer(Wap::TBearer& aBearer)
       
   196 /**
       
   197 Get the bearer on which a received datagram arrived.
       
   198 Useful when EAll was specified in Connect()
       
   199 @internalComponent
       
   200 @released
       
   201 @since v8.0
       
   202 @param aBearer the bearer
       
   203 @returns TInt KErrNone on successful completion, or one of the system error codes on failure.
       
   204 */
       
   205 	{
       
   206 	return iAgent->GetBearer(aBearer);
       
   207 	}
       
   208 
       
   209 TInt CSWSWapBoundWDPService::GetDatagramSizes(TUint16& aMaxSize, TUint16& aNominalSize)
       
   210 /**
       
   211 Query the WDP bearer for its maximum datagram size and its nominal datagram size.
       
   212 @internalComponent
       
   213 @released
       
   214 @since v8.0
       
   215 @param aMaxSize the maximum datagram size
       
   216 @param aNominalSize the nominal datagram size (nominal = size within which a datagram won't
       
   217 have to be split into smaller individual messages and then re-assembled at the other end).
       
   218 This will fail for a stream connection
       
   219 @returns KErrNone on successful completion, or one of the system error codes on failure.
       
   220 */
       
   221 	{
       
   222 	// Can only retrieve this info from the capcodec when its a connection, not datagram!
       
   223 	aMaxSize = KWapStackMaxDatagramSize;
       
   224 	aNominalSize = KWapStackNorminalDatagramSize;
       
   225 	return KErrNone;
       
   226 	}
       
   227