void DataProvider::DeleteReader(Readers::iterator reader_iter) {
if (next_reader_ == reader_iter)
MoveNextReader();
if (next_reader_ == reader_iter)
next_reader_ = readers_.end();
readers_.erase(reader_iter);
OpenNextFile();
}
void DataProvider::Start() {
for (unsigned i = 0; i < max_parallel_reads_; ++i) {
io_buffers_.emplace_back(new IOBuffer());
IOBuffer* io_buffer = io_buffers_.back().get();
io_buffer->buffer.resize(kBlockSize);
io_buffer->is_busy = false;
}
OpenNextFile();
next_reader_ = readers_.begin();
}
int main()
{
HANDLE fout, fin;
DWORD bytes_read, bytes_written;
InstData *idata;
InstFiles *filept;
char *inbuf, *outbuf;
int status, count;
bstr *str;
#ifdef LIBBZ2
bz_stream z;
#else
z_stream z;
#endif
idata = ReadInstallData();
fout = CreateFile("installfiles.z", GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, 0, NULL);
outbuf = bmalloc(BUFFER_SIZE);
inbuf = bmalloc(BUFFER_SIZE);
#ifdef LIBBZ2
z.bzalloc = NULL;
z.bzfree = NULL;
z.opaque = NULL;
BZ2_bzCompressInit(&z, COMPRESSION, 0, 30);
#else
z.zalloc = Z_NULL;
z.zfree = Z_NULL;
z.opaque = Z_NULL;
deflateInit(&z, COMPRESSION);
#endif
z.avail_in = 0;
z.next_out = outbuf;
z.avail_out = BUFFER_SIZE;
filept = NULL;
fin = NULL;
OpenNextFile(idata->instfiles, &filept, &fin);
if (fin == INVALID_HANDLE_VALUE) {
return 1;
}
while (fin != INVALID_HANDLE_VALUE) {
if (z.avail_in == 0) {
z.next_in = inbuf;
bytes_read = 0;
while (!bytes_read && fin) {
if (!ReadFile(fin, inbuf, BUFFER_SIZE, &bytes_read, NULL)) {
printf("Read error\n");
break;
}
filept->filesize += bytes_read;
if (!bytes_read)
OpenNextFile(idata->instfiles, &filept, &fin);
}
z.avail_in = bytes_read;
}
#ifdef LIBBZ2
status = BZ2_bzCompress(&z, z.avail_in == 0 ? BZ_FINISH : BZ_RUN);
#else
status = deflate(&z, z.avail_in == 0 ? Z_FINISH : Z_NO_FLUSH);
#endif
count = BUFFER_SIZE - z.avail_out;
if (!WriteFile(fout, outbuf, count, &bytes_written, NULL)) {
printf("Write error\n");
}
z.next_out = outbuf;
z.avail_out = BUFFER_SIZE;
#ifdef LIBBZ2
if (status == BZ_STREAM_END) {
break;
} else if (status != BZ_RUN_OK && status != BZ_FINISH_OK) {
printf("Unexpected bzlib status: %d\n", status);
break;
}
#else
if (status == Z_STREAM_END) {
break;
} else if (status != Z_OK) {
printf("Unexpected libz status: %d\n", status);
break;
}
#endif
}
#ifdef LIBBZ2
printf("Written compressed data: raw %d, compressed %d\n",
z.total_in_lo32, z.total_out_lo32);
bytes_written = z.total_out_lo32;
BZ2_bzCompressEnd(&z);
#else
printf("Written compressed data: raw %ld, compressed %ld\n",
z.total_in, z.total_out);
bytes_written = z.total_out;
deflateEnd(&z);
#endif
CloseHandle(fout);
fout = CreateFile("manifest", GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, 0, NULL);
if (fout == INVALID_HANDLE_VALUE)
printf("Cannot create file list\n");
str = bstr_new();
bstr_setlength(str, 0);
bstr_append_long(str, bytes_written);
if (!WriteFile(fout, str->text, str->length + 1, &bytes_written, NULL)) {
printf("Write error\n");
}
if (!WriteFile(fout, idata->product, strlen(idata->product) + 1,
&bytes_written, NULL)) {
printf("Write error\n");
}
if (!WriteFile(fout, idata->installdir, strlen(idata->installdir) + 1,
&bytes_written, NULL)) {
printf("Write error\n");
}
if (!WriteFile
(fout, idata->startmenudir, strlen(idata->startmenudir) + 1,
&bytes_written, NULL)) {
printf("Write error\n");
}
WriteFileList(fout, idata->instfiles);
WriteFileList(fout, idata->extrafiles);
WriteLinkList(fout, idata->startmenu);
WriteLinkList(fout, idata->desktop);
WriteServiceDetails(fout, idata->service);
WriteFileList(fout, idata->keepfiles);
CloseHandle(fout);
bfree(inbuf);
bfree(outbuf);
FreeInstData(idata, TRUE);
return 0;
}