1 // Copyright (c) 1998-2009 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 the License "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 // e32test\misc\t_unzip.cpp

    15 // 

    16 //

    17 

    18 #include <e32test.h>

    19 #include <f32file.h>

    20 #include "unzip.h"

    21 

    22 RTest test(_L("T_UNZIP"));

    23 

    24 RFile TheInputFile;

    25 TUint8* OutPtr;

    26 

    27 GLDEF_C void AcceptUnzippedBlock(TZipInfo& /*aInfo*/, TUint8*& aOutPtr, TInt aError)

    28 	{

    29 	if (aError==KErrNone)

    30 		OutPtr=aOutPtr;

    31 	}

    32 

    33 GLDEF_C TInt ReadInputData(TUint8* aDest, TInt& aLength)

    34 	{

    35 	TPtr8 ptr(aDest,0,aLength);

    36 	return TheInputFile.Read(ptr);

    37 	}

    38 

    39 GLDEF_C TInt UnzipComplete(TZipInfo& /*a*/, TUint8* /*aOutPtr*/, TInt /*aError*/)

    40 	{

    41 	return KErrNone;

    42 	}

    43 

    44 _LIT(KLitThreadName,"Unzip");

    45 TInt Initialise(TZipInfo& a)

    46 	{

    47 	TInt r=InitInfo(a);

    48 	if (r!=KErrNone)

    49 		return r;

    50 	a.iFileBufSize=4*a.iInBufSize;

    51 	TAny* pFileBuf=MALLOC(a.iFileBufSize);

    52 	if (!pFileBuf)

    53 		return KErrNoMemory;

    54 	a.iFileBuf=(TUint8*)pFileBuf;

    55 	RThread t;

    56 	r=t.Create(KLitThreadName,UnzipThread,0x2000,NULL,&a);

    57 	if (r!=KErrNone)

    58 		{

    59 		FREE(pFileBuf);

    60 		a.iFileBuf=NULL;

    61 		return r;

    62 		}

    63 	t.SetPriority(EPriorityLess);

    64 	t.Logon(a.iThreadStatus);

    65 	t.Resume();

    66 	a.iThreadHandle=t.Handle();

    67 	return KErrNone;

    68 	}

    69 

    70 void ProcessHeader(TZipInfo& a)

    71 	{

    72 	test.Printf(_L("Flags=%d\n"),a.iFlags);

    73 	test.Printf(_L("Method=%d\n"),a.iMethod);

    74 	test.Printf(_L("Crc=%d\n"),a.iCrc);

    75 	test.Printf(_L("Compressed size=%d\n"),a.iCompressedSize);

    76 	test.Printf(_L("Uncompressed size=%d\n"),a.iUncompressedSize);

    77 	test.Printf(_L("File name %S\n"),&a.iName);

    78 	test.Printf(_L("Data offset %d\n\n"),a.iDataOffset);

    79 

    80 	test.Next(_L("Allocate memory for unzipped file"));

    81 	a.iOutBuf=(TUint8*)User::Alloc(a.iUncompressedSize);

    82 	test(a.iOutBuf!=NULL);

    83 	test.Next(_L("Begin unzipping"));

    84 	a.iHeaderDone=2;

    85 	TRequestStatus* pS=&a.iProcessedHeader;

    86 	RThread t;

    87 	t.SetHandle(a.iThreadHandle);

    88 	t.RequestComplete(pS,0);

    89 	}

    90 

    91 void Cleanup(TZipInfo& a)

    92 	{

    93 	delete a.iFileBuf;

    94 	a.iFileBuf=NULL;

    95 	delete a.iOutBuf;

    96 	a.iOutBuf=NULL;

    97 	RThread& t=*(RThread*)&a.iThreadHandle;

    98 	t.Close();

    99 	}

   100 

   101 GLDEF_C TInt E32Main()

   102 	{

   103 	test.Title();

   104 	TFileName inputFileName;

   105 	User::CommandLine(inputFileName);

   106 	test.Start(_L("Connect to file server"));

   107 	RFs fs;

   108 	TInt r=fs.Connect();

   109 	test(r==KErrNone);

   110 	test.Printf(_L("Open file %S\n"),&inputFileName);

   111 	r=TheInputFile.Open(fs,inputFileName,EFileRead);

   112 	test(r==KErrNone);

   113 	TZipInfo z;

   114 	r=TheInputFile.Size(z.iRemain);

   115 	test(r==KErrNone);

   116 	test.Printf(_L("File size %d\n"),z.iRemain);

   117 

   118 	test.Next(_L("Initialise"));

   119 	r=Initialise(z);

   120 	test(r==KErrNone);

   121 

   122 	test.Next(_L("Read header"));

   123 	TUint32 c=0;

   124 	RThread t;

   125 	t.SetHandle(z.iThreadHandle);

   126 	while (z.iRemain && z.iThreadStatus==KRequestPending)

   127 		{

   128 		TRequestStatus dummy;

   129 		TRequestStatus* pS=&dummy;

   130 		r=ReadBlockToBuffer(z);

   131 		test(r==KErrNone);

   132 		t.RequestComplete(pS,0);		// same process

   133 //		test.Printf(_L("."));

   134 		while(z.iHeaderDone==0 && z.iThreadStatus==KRequestPending)

   135 			DELAY(20000);

   136 		if (z.iHeaderDone==1 && z.iThreadStatus==KRequestPending)

   137 			{

   138 			// after reading first block, process the header

   139 			ProcessHeader(z);

   140 			c=User::NTickCount();

   141 			}

   142 		}

   143 

   144 	test.Next(_L("\nWait for thread to exit"));

   145 	User::WaitForRequest(z.iThreadStatus);

   146 	if (z.iRemain || t.ExitReason()!=KErrNone)

   147 		{

   148 		test.Printf(_L("Error %d\n"),t.ExitReason());

   149 		test(0);

   150 		}

   151 	TUint c2=User::NTickCount();

   152 	test.Printf(_L("Took %dms\n"),c2-c);

   153 	TheInputFile.Close();

   154 	test.Getch();

   155 

   156 	TInt unc_size=OutPtr-z.iOutBuf;

   157 	test.Printf(_L("Recovered size %d\n"),unc_size);

   158 	test.Printf(_L("Writing to file\n"));

   159 	RFile file;

   160 	r=file.Replace(fs,z.iName,EFileWrite);

   161 	test(r==KErrNone);

   162 	TPtrC8 ptr(z.iOutBuf,unc_size);

   163 	r=file.Write(ptr);

   164 	file.Close();

   165 

   166 	fs.Close();

   167 	Cleanup(z);

   168 

   169 	return KErrNone;

   170 	}

   171