void Request::handle( void ){
if( getRequest() ){
if( method == "GET" )
processGet( true );
if( method == "HEAD" )
processGet( false);
}
}
STDMETHODIMP GuestSessionWrap::ProcessGet(ULONG aPid,
IGuestProcess **aGuestProcess)
{
LogRelFlow(("{%p} %s:enter aPid=%RU32 aGuestProcess=%p\n", this, "GuestSession::processGet", aPid, aGuestProcess));
VirtualBoxBase::clearError();
HRESULT hrc;
try
{
CheckComArgOutPointerValidThrow(aGuestProcess);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc()))
throw autoCaller.rc();
hrc = processGet(aPid,
ComTypeOutConverter<IGuestProcess>(aGuestProcess).ptr());
}
catch (HRESULT hrc2)
{
hrc = hrc2;
}
catch (...)
{
hrc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
}
LogRelFlow(("{%p} %s: leave aGuestProcess=%p hrc=%Rhrc\n", this, "GuestSession::processGet", *aGuestProcess, hrc));
return hrc;
}
// This callback function is called when the CMD_EXECUTE command is received.
// It should look at the data received so far, and figure out what operation
// needs to be done on that data. Since this is a simulation, and our
// protocol doesn't really do anything useful, we will not really do much in
// this example.
void cmdExecute(void *base)
{
risp_length_t existing;
node_t *ptr = (node_t *) base;
assert(ptr != NULL);
assert(ptr->stats != NULL);
ptr->stats->operations ++;
ptr->stats->commands ++;
existing = ptr->out.length;
printf("node:%d EXECUTE (%d)\n", ptr->handle, ptr->data.op);
// here we check what the current operation is.
switch(ptr->data.op) {
case CMD_LIST:
// processList(ptr);
break;
case CMD_LISTING:
// processListing(ptr);
break;
case CMD_LISTING_DONE:
// processListingDone(ptr);
break;
case CMD_PUT:
// processPut(ptr);
break;
case CMD_GET:
processGet(ptr);
break;
default:
// we should not have any other op than what we know about.
assert(0);
break;
}
if (existing == 0 && ptr->out.length > 0) {
// we weren't previously going to send out anything... but now we are, so we need to send the write event.
if (event_del(&ptr->event) != -1) {
event_set(&ptr->event, ptr->handle, EV_READ | EV_WRITE | EV_PERSIST, node_event_handler, base);
event_base_set(ptr->event.ev_base, &ptr->event);
event_add(&ptr->event, 0);
}
}
}
void processClientMessage(char* command, char* out_buffer)
{
/*
* If other commands have not implemented logic to overwrite the server's output buffer,
* client calling any any valid command after calling "list" causes the server output
* to still display the list output.
*/
printf("**processClientMessage: command=%s\n", command);
if(strcmp(command, "test") == 0) {
strcpy(out_buffer, command);
}
else if(strcmp(command, "list") == 0) { //process client command: list
printf("**processClientMessage/processList\n");
processList(out_buffer);
}
else if(strncmp(command, "check", 5) == 0) { // processes client command: check filename
printf("**processClientMessage/processCheck\n");
char filename[MAXDATASIZE];
strcpy(filename, command+strlen("check"));
printf("**processClientMessage/processCheck: filename=%s\n", filename);
processCheck(out_buffer, filename);
}
else if(strncmp(command, "get", 3) == 0) { // processes client command: get filename
printf("**processClientMessage/processGet\n");
char filename[MAXDATASIZE];
strcpy(filename, command+strlen("get"));
printf("**processClientMessage/processCheck: filename=%s\n", filename);
processGet(out_buffer, filename);
}
else if(strcmp(command, "quit") == 0) {
strcpy(out_buffer, "goodbye");
}
else {
printf("**processClientMessage/default\n");
strcpy(out_buffer, "**command not recognized");
}
printf("**exiting processClientMessage\n");
}
void Request::processGet( bool isget ){
string file, filetype;
struct stat fileinfo;
file.assign( server_root );
file.append( url );
if( lstat( file.c_str(), &fileinfo ) < 0 )
send_r_404();
else if( S_ISREG( fileinfo.st_mode ) )
send_r_200(isget?file:"", (int)fileinfo.st_size );
else if( S_ISDIR( fileinfo.st_mode ) ){
if( url[ url.length()-1 ] != '/' )
send_r_301( url+"/" );
else{
url += "/index.html";
processGet( isget );
}
}
}
void sendingLogic(int sending_filedes, char *command) {
printf("client367>> ");
scanf("%s", command);
int needsFilenameArg = strcmp(command, "check") == 0 || strcmp(command, "get") == 0;
if (needsFilenameArg) {
char filename[MAXDATASIZE - strlen(command)];
scanf("%s", filename); // catching space separated filename
printf("**filename=%s\n", filename);
strcat(command, filename);
}
// processing client-side commands
int isClientSideCommand = strcmp(command, "display") == 0 || strcmp(command, "help") == 0;
if (isClientSideCommand) {
if(strcmp(command, "display") == 0) {
char display[MAXDATASIZE];
char filename[MAXDATASIZE];
scanf("%s", filename);
processGet(display, filename);
}
if(strcmp(command, "help") == 0) {
printf("list: lists all files and directory names at the directory of the server.\n"
"check filename: checks if the file filename is contained in the server directory.\n"
"get filename: downloads the contents of the file filename from the server to a file of the same name in the client directory\n"
"display filename: Displays the contents of the file filename from the client directory\n"
"help: Displays this message\n"
"quit: Closes client connection to the server.\n");
}
}
else {
printf("Sending %s\n", command);
ssize_t sendStatus = send(sending_filedes, command, MAXDATASIZE-1, 0);
if (sendStatus == ERRNUM) {
// send message thru socket
perror("send");
}
}
}
bool QUERY_RETRIEVE_SCP_EMULATOR_CLASS::processCommandDataset(DCM_COMMAND_CLASS *command_ptr, DCM_DATASET_CLASS *dataset_ptr)
// DESCRIPTION : Process the Storage command and dataset.
// PRECONDITIONS :
// POSTCONDITIONS :
// EXCEPTIONS :
// NOTES :
//<<===========================================================================
{
bool result;
// handle individual commands
switch(command_ptr->getCommandId())
{
case DIMSE_CMD_CFIND_RQ:
if (dataset_ptr)
{
// process the FIND command
result = processFind(dataset_ptr);
}
else
{
// missing dataset
UINT16 status = DCM_STATUS_PROCESSING_FAILURE;
result = sendResponse(DIMSE_CMD_CFIND_RSP, status);
}
break;
case DIMSE_CMD_CMOVE_RQ:
if (dataset_ptr)
{
// process the MOVE command
result = processMove(dataset_ptr);
}
else
{
// missing dataset
UINT16 status = DCM_STATUS_PROCESSING_FAILURE;
result = sendResponse(DIMSE_CMD_CMOVE_RSP, status);
}
break;
case DIMSE_CMD_CGET_RQ:
if (dataset_ptr)
{
// process the GET command
result = processGet(dataset_ptr);
}
else
{
// missing dataset
UINT16 status = DCM_STATUS_PROCESSING_FAILURE;
result = sendResponse(DIMSE_CMD_CGET_RSP, status);
}
break;
default:
{
// unknown command
UINT16 status = DCM_STATUS_UNRECOGNIZED_OPERATION;
result = sendResponse(command_ptr->getCommandId(), status);
}
break;
}
// return result
return result;
}
bool PRINT_SCP_EMULATOR_CLASS::processCommandDataset(DCM_COMMAND_CLASS *command_ptr, DCM_DATASET_CLASS *dataset_ptr)
// DESCRIPTION : Process the Print command (and dataset).
// PRECONDITIONS :
// POSTCONDITIONS :
// EXCEPTIONS :
// NOTES :
//<<===========================================================================
{
bool result;
// handle individual commands
switch(command_ptr->getCommandId())
{
case DIMSE_CMD_NACTION_RQ:
// process the ACTION command
result = processAction(command_ptr->getEncodePresentationContextId());
break;
case DIMSE_CMD_NCREATE_RQ:
if ((sopClassUidM == FILM_SESSION_SOP_CLASS_UID) ||
(dataset_ptr))
{
// process the CREATE command
// - Basic Film Session may not define a dataset - but that is OK
result = processCreate(command_ptr->getEncodePresentationContextId(), dataset_ptr);
}
else
{
// missing dataset
UINT16 status = DCM_STATUS_PROCESSING_FAILURE;
result = sendResponse(DIMSE_CMD_NCREATE_RSP,
command_ptr->getEncodePresentationContextId(),
status);
}
break;
case DIMSE_CMD_NDELETE_RQ:
// process the DELETE command
result = processDelete(command_ptr->getEncodePresentationContextId());
break;
case DIMSE_CMD_NEVENTREPORT_RSP:
// nothing to do here
result = true;
break;
case DIMSE_CMD_NGET_RQ:
// process the GET command
result = processGet(command_ptr);
break;
case DIMSE_CMD_NSET_RQ:
if (dataset_ptr)
{
// process the SET dataset
result = processSet(command_ptr->getEncodePresentationContextId(), dataset_ptr);
}
else
{
// missing dataset
UINT16 status = DCM_STATUS_PROCESSING_FAILURE;
result = sendResponse(DIMSE_CMD_NSET_RSP,
command_ptr->getEncodePresentationContextId(),
status);
}
break;
default:
{
// unknown command
UINT16 status = DCM_STATUS_UNRECOGNIZED_OPERATION;
result = sendResponse(command_ptr->getCommandId(),
command_ptr->getEncodePresentationContextId(),
status);
}
break;
}
// return result
return result;
}