void test1(){
Acquire(0);
MyWrite("Thread 1: Attempting to Wait on CV -1\n", sizeof("Thread 1: Attempting to Wait on CV -1\n"), 0,0);
Wait(-1, 0);
MyWrite("Thread 1: Attempting to Wait on CV 0\n", sizeof("Thread 1: Attempting to Wait on CV 0\n"), 0,0);
Wait(0,0);
Exit(0);
}
ExtFunc void SendPacket(NetPacketType type, int size, void *data)
{
netint2 header[2];
header[0] = hton2(type);
header[1] = hton2(size + HEADER_SIZE);
if (MyWrite(sock, header, HEADER_SIZE) != HEADER_SIZE)
die("write");
if (size > 0 && data && MyWrite(sock, data, size) != size)
die("write");
}
int MyCopyAll(FILE *srcfh, PFILE dstfh)
{
PCHAR buffer = MyAlloc(BUFSIZE);
UINT n;
while ((n = fread(buffer, 1, BUFSIZE, srcfh)) != 0)
MyWrite(dstfh, buffer, n);
MyFree(buffer);
return TRUE;
}
UINT MyAlign(PFILE fh)
{
DWORD t0 = 0;
DWORD ib;
/* align file to dword */
ib = MySeek(fh, 0L, SEEK_CUR);
if (ib % 4)
{
ib = 4 - ib % 4;
MyWrite(fh, (PVOID)&t0, (UINT)ib);
return(ib);
}
return(0);
}
int MyCopy(FILE *srcfh, PFILE dstfh, ULONG nbytes)
{
PCHAR buffer = MyAlloc(BUFSIZE);
UINT n;
while (nbytes) {
if (nbytes <= BUFSIZE)
n = (UINT)nbytes;
else
n = BUFSIZE;
nbytes -= n;
MyRead(srcfh, buffer, n);
MyWrite( dstfh, buffer, n);
}
MyFree(buffer);
return(n);
}
int main()
{
int iCount = 1,i=0,bufsize=0,j=0;
char iInput[10],iData[20];
while (1)
{
printf("Enter your choice:\n");
printf("1.create disk\n");
printf("2.Create a file\n");
printf("3.Write data into file\n");
printf("4.Read the written file\n");
printf("5.delete a file\n");
printf("6.Print list of files available\n");
scanf("%d", &i);
MyFile *fp;
fp = fopen("divFile", "rb+");
switch (i)
{
case 1:
fp = MyCreateFile("divFile");
rewind(fp);
for (i = 1; i < 2049; i++)
fputc(48, fp);
rewind(fp);
break;
case 2:
printf("Enter the file name\n");
scanf("%s",iInput);
for (i = 0; iInput[i] != '\0'; i++)
bufsize++;
fseek(fp,1,SEEK_SET);
for (i = 1; i < 2049; i++)
{
if (fgetc(fp) == 48)
break;
}
rewind(fp);
MyWrite(fp, iInput ,"ghj",9,i);
fseek(fp, i, SEEK_SET);
fputc(49,fp );
rewind(fp);
break;
case 3:
printf("Enter data to be written\n");
scanf("%s",iData);
insert_data(fp, iInput, iData, strlen(iData), iCount);
break;
case 4:
printf("Enter filename\n");
scanf("%s",iData);
MyRead(fp, iData, strlen(iData),iCount);
break;
case 5:
printf("Enter filename to be deleted\n");
gets(iInput);
delete_file(fp, iInput,iCount);
iCount--;
break;
case 6:
MyList(fp, iCount);
break;
}
iCount++;
bufsize = 0;
}
scanf("%d", &iCount);
return 0;
}
BOOL RC_PreProcess(PCHAR szname)
{
PFILE fhout; /* fhout: is temp file with rcincluded stuff */
PFILE fhin;
CHAR nm[_MAX_PATH*2];
PCHAR pch;
PWCHAR pwch;
PWCHAR pfilename;
WCHAR readszbuf[READ_MAX];
WCHAR szT[ MAXSTR ];
UINT iLine = 0;
int fBlanks = TRUE;
INT fFileType;
/* Open the .RC source file. */
MultiByteToWideChar(uiCodePage, MB_PRECOMPOSED, szname, -1, Filename, MED_BUFFER+1);
fhin = fopen(szname, "rb");
if (!fhin) {
SET_MSG(Msg_Text, sizeof(Msg_Text), GET_MSG(1110), szname);
return(FALSE);
}
/* Open the temporary output file. */
fhout = fopen(szTempFileName, "w+b");
if (!fhout) {
strcpy(Msg_Text, GET_MSG(2180));
return(FALSE);
}
/* output the current filename for RCPP messages */
for (pch=nm ; *szname ; szname = CharNextA(szname)) {
*pch++ = *szname;
if (IsDBCSLeadByteEx(uiCodePage, *szname))
*pch++ = *(szname + 1);
/* Hack to fix bug #8786: makes '\' to "\\" */
else if (*szname == '\\')
*pch++ = '\\';
}
*pch++ = '\000';
/* Output the current filename for RCPP messages */
wcscpy(szT, L"#line 1\"");
// hack - strlen("#line 1\"") is 8.
MultiByteToWideChar(uiCodePage, MB_PRECOMPOSED, nm, -1, szT+8, MAXSTR+1-8);
wcscat(szT, L"\"\r\n");
MyWrite(fhout, szT, wcslen(szT) * sizeof(WCHAR));
/* Determine if the input file is Unicode */
fFileType = DetermineFileType (fhin);
/* Process each line of the input file. */
while (fgetl(readszbuf, READ_MAX, fFileType == DFT_FILE_IS_16_BIT, fhin)) {
/* keep track of the number of lines read */
Linenumber = iLine++;
if ((iLine & RC_PREPROCESS_UPDATE) == 0)
UpdateStatus(1, iLine);
/* Skip the Byte Order Mark and the leading bytes. */
pwch = readszbuf;
while (*pwch && (iswspace(*pwch) || *pwch == 0xFEFF))
pwch++;
/* if the line is a rcinclude line... */
if (strpre(L"rcinclude", pwch)) {
/* Get the name of the rcincluded file. */
pfilename = skipblanks(pwch + 9, TRUE);
MyWrite(fhout, L"#include \"", 10 * sizeof(WCHAR));
MyWrite(fhout, pfilename, wcslen(pfilename) * sizeof(WCHAR));
MyWrite(fhout, L"\"\r\n", 3 * sizeof(WCHAR));
}
else if (strpre(L"#pragma", pwch)) {
WCHAR cSave;
pfilename = skipblanks(pwch + 7, FALSE);
if (strpre(L"code_page", pfilename)) {
pfilename = skipblanks(pfilename + 9, FALSE);
if (*pfilename == L'(') {
ULONG cp = 0;
pfilename = skipblanks(pfilename + 1, FALSE);
// BUGBUG really should allow hex/octal, but ...
if (iswdigit(*pfilename)) {
while (iswdigit(*pfilename)) {
cp = cp * 10 + (*pfilename++ - L'0');
}
pfilename = skipblanks(pfilename, FALSE);
}
else if (strpre(L"default", pfilename)) {
cp = uiDefaultCodePage;
pfilename = skipblanks(pfilename + 7, FALSE);
}
if (cp == 0) {
wsprintfA(Msg_Text, "%s%ws", GET_MSG(4212), pfilename);
error(4212);
}
else if (*pfilename != L')') {
strcpy (Msg_Text, GET_MSG (4211));
error(4211);
}
else if (cp == CP_WINUNICODE) {
strcpy (Msg_Text, GET_MSG (4213));
warning(4213);
}
else if (!IsValidCodePage(cp)) {
strcpy (Msg_Text, GET_MSG (4214));
warning(4214);
}
else {
uiCodePage = cp;
/* Copy the #pragma line to the temp file. */
MyWrite(fhout, pwch, wcslen(pwch) * sizeof(WCHAR));
MyWrite(fhout, L"\r\n", 2 * sizeof(WCHAR));
}
}
else {
strcpy (Msg_Text, GET_MSG (4210));
error(4210);
}
}
}
else if (!*pwch)
fBlanks = TRUE;
else {
if (fBlanks) {
swprintf(szT, L"#line %d\r\n", iLine);
MyWrite(fhout, szT, wcslen(szT) * sizeof(WCHAR));
fBlanks = FALSE;
}
/* Copy the .RC line to the temp file. */
MyWrite(fhout, pwch, wcslen(pwch) * sizeof(WCHAR));
MyWrite(fhout, L"\r\n", 2 * sizeof(WCHAR));
}
}
lCPPTotalLinenumber = iLine;
Linenumber = 0;
uiCodePage = uiDefaultCodePage;
fclose(fhout);
fclose(fhin);
return(TRUE);
}
int
main(int argc, char *argv[]){
//Variables
int sd, fd, rc, returnCode, i, size;
struct sockaddr_in s;
int problem = sizeof(MFS_Dir_t) + sizeof(MFS_Inode_t) +
sizeof(MFS_InodeMap_t) + (2 * sizeof(MFS_DirEnt_t));
//Initialize the client and server messages
client = (ClientMessage_t *)malloc(sizeof(ClientMessage_t));
server = (ServerMessage_t *)malloc(sizeof(ServerMessage_t));
//Check for file image
/*
if(argc == 3){
sd = UDP_Open(atoi(argv[1]));
fd = open(argv[2], O_RDWR);
assert(sd > -1);
assert(fd > -1);
}
*/
if(argc == 3){
printf("Check: %d\n", atoi(argv[1]));
//Open the socket and the image
sd = UDP_Open(atoi(argv[1]));
//sd = UDP_Open(29344);
fd = open(argv[2], O_RDWR | O_CREAT | O_TRUNC, S_IRWXU);
assert(sd > -1);
assert(fd > -1);
//Create image
imageSize = sizeof(MFS_Checkpoint_t) + (256 * sizeof(MFS_InodeMap_t)) +
(4096 * sizeof(MFS_Inode_t)) + (14 * 4096 * 4096);
image = malloc(imageSize);
if(image == NULL)
printf("MALLOC PROBLEM\n");
size = 0;
//Create and initialize the checkpoint
temp = image;
position = image;
end = image;
checkpoint = (MFS_Checkpoint_t *)temp;
position += sizeof(MFS_Checkpoint_t);
//Initialize the arrays
for(i = 0; i < 256; i++)
inodeMap[i] = NULL;
for(i = 0; i < 4096; i++)
inodes[i] = NULL;
//Create the root directory
rc = addDirectory(0, "/");
}
else{
printf("Usage: server portnum [file-system-image]\n");
exit(-1);
}
//Start server loop
while(1){
//Check to make sure size is okay
//Get the message from the Client
rc = UDP_Read(sd, &s, (char *)client, sizeof(ClientMessage_t));
//Perform the correct operation
if(rc > 0){
if(client->syscallNumber == LOOKUP){
//Lookup the file
returnCode = MyLookup(client->inum, client->buffer);
printf("RETURNCODE: %d\n", returnCode);
//Setup the return message
server->returnCode = returnCode;
printf("server server return: %d\n", server->returnCode);
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else if(client->syscallNumber == STAT){
//Get the Stat info about the specific inum
returnCode = MyStat(client->inum);
//Setup the return message
server->returnCode = returnCode;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else if(client->syscallNumber == WRITE){
printf("ENTERED WRITE 1\n");
printf("here here here: %d\n", client->inum);
//Update image
returnCode = MyWrite(client->inum, client->buffer, client->block);
//Update checkpoint
checkpoint->end = end - image;
//Write to disk
rc = write(fd, image, imageSize);
if(rc <= 0)
exit(-1);
fsync(fd);
//Setup the return message
server->returnCode = returnCode;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else if(client->syscallNumber == READ){
//Read the specified block of data
returnCode = MyRead(client->inum, client->block);
printf("server server server buffer: %s\n", server->buffer);
//Setup the return message
server->returnCode = returnCode;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else if(client->syscallNumber == CREAT){
//Update image
returnCode = MyCreat(client->inum, client->type, client->buffer);
//Update checkpoint
checkpoint->end = end - image;
//Write to disk
rc = write(fd, image, imageSize);
if(rc <= 0)
exit(-1);
fsync(fd);
//Setup the return message
server->returnCode = returnCode;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else if(client->syscallNumber == UNLINK){
//Unlink and update message
returnCode = MyUnlink(client->inum, client->buffer);
//Update checkpoint
checkpoint->end = end - image;
//Write to disk
rc = write(fd, image, imageSize);
if(rc <= 0)
exit(-1);
fsync(fd);
//Setup the return message
server->returnCode = returnCode;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
}
else{
//Update checkpoint
checkpoint->end = end - image;
//This is the case for shutdown
rc = write(fd, image, imageSize);
if(rc <= 0)
exit(-1);
fsync(fd);
//Set up the return message
server->returnCode = 0;
rc = UDP_Write(sd, &s, (char *)server, sizeof(ServerMessage_t));
exit(0);
}
}
}
return 0;
}
void connection::handle_read(const boost::system::error_code& error, std::size_t bytes_transferred)
{
status_ = READING;
// data read, no need for timeouts (RK, note: race condition)
cancel_read_timeout();
if (!error && bytes_transferred > 0)
{
// ensure written bytes in the buffer
_buf.commit(bytes_transferred);
boost::tribool result;
// http variables
/// The incoming request.
request request_;
/// our response
reply reply_;
const char *begin;
// websocket variables
size_t bytes_consumed;
switch (connection_type)
{
case connection_http:
begin = boost::asio::buffer_cast<const char*>(_buf.data());
try
{
request_parser_.reset();
boost::tie(result, boost::tuples::ignore) = request_parser_.parse(
request_, begin, begin + _buf.size());
}
catch (...)
{
_log.Log(LOG_ERROR, "Exception parsing http request.");
}
if (result) {
size_t sizeread = begin - boost::asio::buffer_cast<const char*>(_buf.data());
_buf.consume(sizeread);
reply_.reset();
const char *pConnection = request_.get_req_header(&request_, "Connection");
keepalive_ = pConnection != NULL && boost::iequals(pConnection, "Keep-Alive");
request_.keep_alive = keepalive_;
request_.host_address = host_endpoint_address_;
request_.host_port = host_endpoint_port_;
if (request_.host_address.substr(0, 7) == "::ffff:") {
request_.host_address = request_.host_address.substr(7);
}
request_handler_.handle_request(request_, reply_);
if (reply_.status == reply::switching_protocols) {
// this was an upgrade request
connection_type = connection_websocket;
// from now on we are a persistant connection
keepalive_ = true;
websocket_parser.Start();
websocket_parser.GetHandler()->store_session_id(request_, reply_);
// todo: check if multiple connection from the same client in CONNECTING state?
}
if (request_.keep_alive && ((reply_.status == reply::ok) || (reply_.status == reply::no_content) || (reply_.status == reply::not_modified))) {
// Allows request handler to override the header (but it should not)
reply::add_header_if_absent(&reply_, "Connection", "Keep-Alive");
std::stringstream ss;
ss << "max=" << default_max_requests_ << ", timeout=" << read_timeout_;
reply::add_header_if_absent(&reply_, "Keep-Alive", ss.str());
}
MyWrite(reply_.to_string(request_.method));
if (reply_.status == reply::switching_protocols) {
// this was an upgrade request, set this value after MyWrite to allow the 101 response to go out
connection_type = connection_websocket;
}
if (keepalive_) {
read_more();
}
status_ = WAITING_WRITE;
}
else if (!result)
{
keepalive_ = false;
reply_ = reply::stock_reply(reply::bad_request);
MyWrite(reply_.to_string(request_.method));
if (keepalive_) {
read_more();
}
}
else
{
read_more();
}
break;
case connection_websocket:
case connection_closing:
begin = boost::asio::buffer_cast<const char*>(_buf.data());
result = websocket_parser.parse((const unsigned char *)begin, _buf.size(), bytes_consumed, keepalive_);
_buf.consume(bytes_consumed);
if (result) {
// we received a complete packet (that was handled already)
if (keepalive_) {
read_more();
}
else {
// a connection close control packet was received
// todo: wait for writeQ to flush?
connection_type = connection_closing;
}
}
else // if (!result)
{
read_more();
}
break;
}
}
else if (error != boost::asio::error::operation_aborted)
{
connection_manager_.stop(shared_from_this());
}
}
void connection::WS_Write(const std::string &packet_data)
{
MyWrite(CWebsocketFrame::Create(opcode_text, packet_data, false));
}
WORD FAR SaveDIB(HDIB hDib, LPSTR lpFileName)
{
BITMAPFILEHEADER bmfHdr; // Header for Bitmap file
LPBITMAPINFOHEADER lpBI; // Pointer to DIB info structure
int fh; // file handle for opened file
OFSTRUCT of; // OpenFile structure
DWORD dwDIBSize;
DWORD dwError; // Error return from MyWrite
if (!hDib)
return ERR_INVALIDHANDLE;
fh = OpenFile(lpFileName, &of, OF_CREATE | OF_READWRITE);
if (fh == -1)
return ERR_OPEN;
/*
* Get a pointer to the DIB memory, the first of which contains
* a BITMAPINFO structure
*/
lpBI = (LPBITMAPINFOHEADER)GlobalLock(hDib);
if (!lpBI)
return ERR_LOCK;
// Check to see if we're dealing with an OS/2 DIB. If so, don't
// save it because our functions aren't written to deal with these
// DIBs.
if (lpBI->biSize != sizeof(BITMAPINFOHEADER))
{
GlobalUnlock(hDib);
return ERR_NOT_DIB;
}
/*
* Fill in the fields of the file header
*/
/* Fill in file type (first 2 bytes must be "BM" for a bitmap) */
bmfHdr.bfType = DIB_HEADER_MARKER; // "BM"
// Calculating the size of the DIB is a bit tricky (if we want to
// do it right). The easiest way to do this is to call GlobalSize()
// on our global handle, but since the size of our global memory may have
// been padded a few bytes, we may end up writing out a few too
// many bytes to the file (which may cause problems with some apps,
// like HC 3.0).
//
// So, instead let's calculate the size manually.
//
// To do this, find size of header plus size of color table. Since the
// first DWORD in both BITMAPINFOHEADER and BITMAPCOREHEADER conains
// the size of the structure, let's use this.
dwDIBSize = *(LPDWORD)lpBI + PaletteSize((LPSTR)lpBI); // Partial Calculation
// Now calculate the size of the image
if ((lpBI->biCompression == BI_RLE8) || (lpBI->biCompression == BI_RLE4)) {
// It's an RLE bitmap, we can't calculate size, so trust the
// biSizeImage field
dwDIBSize += lpBI->biSizeImage;
}
else {
DWORD dwBmBitsSize; // Size of Bitmap Bits only
// It's not RLE, so size is Width (DWORD aligned) * Height
dwBmBitsSize = WIDTHBYTES((lpBI->biWidth)*((DWORD)lpBI->biBitCount)) * lpBI->biHeight;
dwDIBSize += dwBmBitsSize;
// Now, since we have calculated the correct size, why don't we
// fill in the biSizeImage field (this will fix any .BMP files which
// have this field incorrect).
lpBI->biSizeImage = dwBmBitsSize;
}
// Calculate the file size by adding the DIB size to sizeof(BITMAPFILEHEADER)
bmfHdr.bfSize = dwDIBSize + sizeof(BITMAPFILEHEADER);
bmfHdr.bfReserved1 = 0;
bmfHdr.bfReserved2 = 0;
/*
* Now, calculate the offset the actual bitmap bits will be in
* the file -- It's the Bitmap file header plus the DIB header,
* plus the size of the color table.
*/
bmfHdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER) + lpBI->biSize +
PaletteSize((LPSTR)lpBI);
/* Write the file header */
_lwrite(fh, (LPSTR)&bmfHdr, sizeof(BITMAPFILEHEADER));
/*
* Write the DIB header and the bits -- use local version of
* MyWrite, so we can write more than 32767 bytes of data
*/
dwError = MyWrite(fh, (LPSTR)lpBI, dwDIBSize);
GlobalUnlock(hDib);
_lclose(fh);
if (dwError == 0)
return ERR_OPEN; // oops, something happened in the write
else
return 0; // Success code
}
