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|
/*****************************************************************
|
| File Test Program 3
|
| (c) 2005-2016 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "Neptune.h"
#include "NptDebug.h"
/*----------------------------------------------------------------------
| globals
+---------------------------------------------------------------------*/
const unsigned int BUFFER_SIZE = 8192;
const unsigned int MAX_RANDOM = 123;
typedef struct {
NPT_Position position;
unsigned int size;
unsigned char fill_value;
} BufferInfo;
const NPT_UInt64 TARGET_SIZE = 0x112345678;
NPT_Array<BufferInfo> Buffers;
#define CHECK(x) \
do {\
if (!(x)) {\
fprintf(stderr, "ERROR line %d\n", __LINE__);\
return NPT_FAILURE;\
}\
} while(0)\
/*----------------------------------------------------------------------
| TestLargeFiles
+---------------------------------------------------------------------*/
static NPT_Result
TestLargeFiles(const char* filename)
{
// create enough buffers to fill up to the target size
NPT_UInt64 total_size = 0;
while (total_size < TARGET_SIZE) {
unsigned int random = NPT_System::GetRandomInteger() % MAX_RANDOM;
unsigned int buffer_size = 4096-MAX_RANDOM/2+random;
BufferInfo buffer_info;
buffer_info.position = total_size;
buffer_info.size = buffer_size;
buffer_info.fill_value = NPT_System::GetRandomInteger()%256;
Buffers.Add(buffer_info);
total_size += buffer_size;
}
unsigned char* buffer = new unsigned char[BUFFER_SIZE];
unsigned int progress = 0;
// write random buffers
printf("Writing sequential random-size buffers\n");
NPT_File test_file(filename);
NPT_Result result = test_file.Open(NPT_FILE_OPEN_MODE_WRITE | NPT_FILE_OPEN_MODE_CREATE | NPT_FILE_OPEN_MODE_TRUNCATE);
CHECK(result == NPT_SUCCESS);
NPT_OutputStreamReference output_stream;
result = test_file.GetOutputStream(output_stream);
CHECK(result == NPT_SUCCESS);
for (unsigned int i=0; i<Buffers.GetItemCount(); i++) {
unsigned int new_progress = (100*i)/Buffers.GetItemCount();
if (new_progress != progress) {
printf("\rProgress: %d%%", new_progress);
fflush(stdout);
progress = new_progress;
}
BufferInfo& buffer_info = Buffers[i];
NPT_SetMemory(buffer, buffer_info.fill_value, buffer_info.size);
NPT_Position cursor;
result = output_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position);
result = output_stream->WriteFully(buffer, buffer_info.size);
CHECK(result == NPT_SUCCESS);
if ((buffer_info.fill_value % 7) == 0) {
output_stream->Flush();
}
result = output_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position+buffer_info.size);
}
output_stream = NULL;
test_file.Close();
// read random buffers
printf("\nReading sequential random-size buffers\n");
result = test_file.Open(NPT_FILE_OPEN_MODE_READ);
CHECK(result == NPT_SUCCESS);
NPT_InputStreamReference input_stream;
result = test_file.GetInputStream(input_stream);
CHECK(result == NPT_SUCCESS);
for (unsigned int i=0; i<Buffers.GetItemCount(); i++) {
unsigned int new_progress = (100*i)/Buffers.GetItemCount();
if (new_progress != progress) {
printf("\rProgress: %d%%", new_progress);
fflush(stdout);
progress = new_progress;
}
BufferInfo& buffer_info = Buffers[i];
NPT_Position cursor;
result = input_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position);
result = input_stream->ReadFully(buffer, buffer_info.size);
CHECK(result == NPT_SUCCESS);
for (unsigned int x=0; x<buffer_info.size; x++) {
CHECK(buffer[x] == buffer_info.fill_value);
}
result = input_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position+buffer_info.size);
}
input_stream = NULL;
test_file.Close();
// read random buffers
printf("\nReading random-access random-size buffers\n");
result = test_file.Open(NPT_FILE_OPEN_MODE_READ);
CHECK(result == NPT_SUCCESS);
result = test_file.GetInputStream(input_stream);
CHECK(result == NPT_SUCCESS);
for (unsigned int i=0; i<Buffers.GetItemCount()*5; i++) {
unsigned int new_progress = (100*i)/(5*Buffers.GetItemCount());
if (new_progress != progress) {
printf("\rProgress: %d%%", new_progress);
fflush(stdout);
progress = new_progress;
}
unsigned int buffer_index = NPT_System::GetRandomInteger()%Buffers.GetItemCount();
BufferInfo& buffer_info = Buffers[buffer_index];
result = input_stream->Seek(buffer_info.position);
CHECK(result == NPT_SUCCESS);
NPT_Position cursor;
result = input_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position);
result = input_stream->ReadFully(buffer, buffer_info.size);
CHECK(result == NPT_SUCCESS);
for (unsigned int x=0; x<buffer_info.size; x++) {
CHECK(buffer[x] == buffer_info.fill_value);
}
result = input_stream->Tell(cursor);
CHECK(result == NPT_SUCCESS);
CHECK(cursor == buffer_info.position+buffer_info.size);
}
printf("\nSUCCESS!\n");
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
const char* output_filename = "largefile.bin";
if (argc > 1) {
output_filename = argv[1];
}
TestLargeFiles(output_filename);
return 0;
}
|
