22#include "RConfigure.h"
130 jsrootsys =
gEnv->
GetValue(
"HttpServ.JSRootPath", jsrootsys);
132 if (jsrootsys && *jsrootsys) {
133 if ((strncmp(jsrootsys,
"http://", 7)==0) || (strncmp(jsrootsys,
"https://", 8)==0))
142 ::Warning(
"THttpServer::THttpServer",
"problems resolving '%s', set JSROOTSYS to proper JavaScript ROOT location",
158 if (strstr(engine,
"basic_sniffer")) {
163 sniff = (
TRootSniffer *)
gROOT->ProcessLineSync(
"new TRootSnifferFull(\"sniff\");");
171 if (strchr(engine,
';') == 0) {
178 if ((strcmp(opt,
"readonly") == 0) || (strcmp(opt,
"ro") == 0)) {
180 }
else if ((strcmp(opt,
"readwrite") == 0) || (strcmp(opt,
"rw") == 0)) {
182 }
else if (strcmp(opt,
"global") == 0) {
184 }
else if (strcmp(opt,
"noglobal") == 0) {
186 }
else if (strncmp(opt,
"cors=", 5) == 0) {
188 }
else if (strcmp(opt,
"cors") == 0) {
209 while (
auto engine =
dynamic_cast<THttpEngine *
>(iter()))
292 if (!prefix || (*prefix == 0))
315 fJSROOT = location ? location :
"";
382 const char *arg = strchr(engine,
':');
388 clname.
Append(engine, arg - engine);
393 if ((clname.
Length() == 0) || (clname ==
"http") || (clname ==
"civetweb")) {
396 }
else if (clname ==
"socket") {
402 }
else if (clname ==
"https") {
404 }
else if (clname ==
"fastcgi") {
456 Error(
"SetTimer",
"Server runs already in special thread, therefore no any timer can be created");
458 fTimer = std::make_unique<THttpTimer>(milliSec,
mode, *
this);
482 std::thread thrd([
this] {
492 std::this_thread::sleep_for(std::chrono::milliseconds(1));
497 fThrd = std::move(thrd);
522 if (!fname || (*fname == 0))
527 while (*fname != 0) {
530 const char *next = strpbrk(fname,
"/\\");
535 if ((next == fname + 2) && (*fname ==
'.') && (*(fname + 1) ==
'.')) {
544 if ((next == fname + 1) && (*fname ==
'.')) {
572 if (!uri || (*uri == 0))
581 fname.
Remove(0, pos + (entry.first.length() - 1));
584 res = entry.second.c_str();
585 if ((fname[0] ==
'/') && (res[res.
Length() - 1] ==
'/'))
614 std::unique_lock<std::mutex> lk(
fMutex);
643 arg->NotifyCondition();
648 std::unique_lock<std::mutex> lk(
fMutex);
669 Error(
"ProcessRequests",
"Should be called only from main ROOT thread");
675 std::unique_lock<std::mutex> lk(
fMutex, std::defer_lock);
679 std::shared_ptr<THttpCallArg> arg;
682 if (!
fArgs.empty()) {
691 if (arg->fFileName ==
"root_batch_holder.js") {
696 fSniffer->SetCurrentCallArg(arg.get());
701 fSniffer->SetCurrentCallArg(
nullptr);
703 fSniffer->SetCurrentCallArg(
nullptr);
706 arg->NotifyCondition();
712 while ((engine = (
THttpEngine *)iter()) !=
nullptr) {
740 auto wsptr =
FindWS(arg->GetPathName());
742 if (!wsptr || !wsptr->ProcessBatchHolder(arg)) {
744 arg->NotifyCondition();
754 std::string arr =
"[";
757 std::lock_guard<std::mutex> grd(
fWSMutex);
759 if (arr.length() > 1)
762 arr.append(
Form(
"{ name: \"%s\", title: \"%s\" }", ws->GetName(), ws->GetTitle()));
770 std::string arg =
"\"$$$wslist$$$\"";
772 auto pos = res.find(arg);
773 if (pos != std::string::npos)
774 res.replace(pos, arg.length(), arr);
792 if (repl.back() !=
'/')
796 if (arg->fPathName.Length() > 0)
cnt++;
797 for (
Int_t n = 1;
n < arg->fPathName.Length()-1; ++
n)
798 if (arg->fPathName[
n] ==
'/') {
799 if (arg->fPathName[
n-1] !=
'/') {
809 while (
cnt-- >0) repl.append(
"../");
810 repl.append(
"jsrootsys/");
815 arg->ReplaceAllinContent(
"=\"jsrootsys/", repl);
831 if ((arg->fFileName ==
"root.websocket") || (arg->fFileName ==
"root.longpoll")) {
836 if (arg->fFileName.IsNull() || (arg->fFileName ==
"index.htm") || (arg->fFileName ==
"default.htm")) {
838 if (arg->fFileName ==
"default.htm") {
844 auto wsptr =
FindWS(arg->GetPathName());
846 auto handler = wsptr.get();
855 if (arg->fContent.find(
"file:") == 0) {
856 const char *fname = arg->fContent.c_str() + 5;
862 handler->VerifyDefaultPageContent(arg);
866 if (arg->fContent.empty() && arg->fFileName.IsNull() && arg->fPathName.IsNull() &&
IsWSOnly()) {
870 if (arg->fContent.empty() && !
IsWSOnly()) {
878 if (arg->fContent.empty()) {
881 }
else if (!arg->Is404()) {
885 const char *hjsontag =
"\"$$$h.json$$$\"";
888 if (arg->fContent.find(hjsontag) != std::string::npos) {
892 if (arg->fTopName.Length() > 0)
893 topname = arg->fTopName.Data();
894 fSniffer->ScanHierarchy(topname, arg->fPathName.Data(), &store);
896 arg->ReplaceAllinContent(hjsontag, h_json.
Data());
898 arg->AddNoCacheHeader();
900 if (arg->fQuery.Index(
"nozip") ==
kNPOS)
903 arg->SetContentType(
"text/html");
908 if ((arg->fFileName ==
"draw.htm") && !
IsWSOnly()) {
915 const char *rootjsontag =
"\"$$$root.json$$$\"";
916 const char *hjsontag =
"\"$$$h.json$$$\"";
922 if ((arg->fQuery.Index(
"no_h_json") ==
kNPOS) && (arg->fQuery.Index(
"webcanvas") ==
kNPOS) &&
923 (arg->fContent.find(hjsontag) != std::string::npos)) {
927 if (arg->fTopName.Length() > 0)
928 topname = arg->fTopName.Data();
929 fSniffer->ScanHierarchy(topname, arg->fPathName.Data(), &store,
kTRUE);
931 arg->ReplaceAllinContent(hjsontag, h_json.
Data());
934 if ((arg->fQuery.Index(
"no_root_json") ==
kNPOS) && (arg->fQuery.Index(
"webcanvas") ==
kNPOS) &&
935 (arg->fContent.find(rootjsontag) != std::string::npos)) {
937 if (
fSniffer->Produce(arg->fPathName.Data(),
"root.json",
"compact=23", str))
938 arg->ReplaceAllinContent(rootjsontag, str);
940 arg->AddNoCacheHeader();
941 if (arg->fQuery.Index(
"nozip") ==
kNPOS)
943 arg->SetContentType(
"text/html");
948 if ((arg->fFileName ==
"favicon.ico") && arg->fPathName.IsNull()) {
949 arg->SetFile(
fJSROOTSYS +
"/img/RootIcon.ico");
960 if (!arg->fPathName.IsNull() && !arg->fFileName.IsNull()) {
961 TString wsname = arg->fPathName, fname;
962 auto pos = wsname.
First(
'/');
964 wsname = arg->fPathName;
966 wsname = arg->fPathName(0, pos);
967 fname = arg->fPathName(pos + 1, arg->fPathName.Length() - pos);
971 fname.
Append(arg->fFileName);
977 if (ws && ws->CanServeFiles()) {
978 TString fdir = ws->GetDefaultPageContent();
980 if (fdir.
Index(
"file:") == 0) {
982 auto separ = fdir.
Last(
'/');
1005 if (arg->fContent.empty())
1009 Bool_t compact = arg->fQuery.Index(
"compact") !=
kNPOS;
1013 res.
Form(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
1023 if (arg->fTopName.Length() > 0)
1024 topname = arg->fTopName.Data();
1025 fSniffer->ScanHierarchy(topname, arg->fPathName.Data(), &store,
filename ==
"get.xml");
1032 arg->SetContent(std::string(res.
Data()));
1039 if (arg->fTopName.Length() > 0)
1040 topname = arg->fTopName.Data();
1041 fSniffer->ScanHierarchy(topname, arg->fPathName.Data(), &store);
1042 arg->SetContent(std::string(res.
Data()));
1044 }
else if (
fSniffer->Produce(arg->fPathName.Data(),
filename.Data(), arg->fQuery.Data(), arg->fContent)) {
1061 const char *parname =
fSniffer->IsStreamerInfoItem(arg->fPathName.Data()) ?
"BVersion" :
"MVersion";
1062 arg->AddHeader(parname,
Form(
"%u", (
unsigned)
fSniffer->GetStreamerInfoHash()));
1066 arg->AddNoCacheHeader();
1070 arg->AddHeader(
"Access-Control-Allow-Origin",
GetCors());
1080 return fSniffer->RegisterObject(subfolder, obj);
1090 return fSniffer->UnregisterObject(obj);
1100 std::lock_guard<std::mutex> grd(
fWSMutex);
1109 std::lock_guard<std::mutex> grd(
fWSMutex);
1122 std::lock_guard<std::mutex> grd(
fWSMutex);
1124 if (strcmp(
name, ws->GetName()) == 0)
1141 auto wsptr =
FindWS(arg->GetPathName());
1143 auto handler = wsptr.get();
1145 if (!handler && !external_thrd)
1148 if (external_thrd && (!handler || !handler->AllowMTProcess())) {
1149 std::unique_lock<std::mutex> lk(
fMutex);
1153 arg->fCond.wait(lk);
1163 if (arg->fFileName ==
"root.websocket") {
1165 process = handler->HandleWS(arg);
1166 }
else if (arg->fFileName ==
"root.longpoll") {
1168 if (arg->fQuery.BeginsWith(
"raw_connect") || arg->fQuery.BeginsWith(
"txt_connect")) {
1171 arg->SetMethod(
"WS_CONNECT");
1173 bool israw = arg->fQuery.BeginsWith(
"raw_connect");
1178 if (handler->HandleWS(arg)) {
1179 arg->SetMethod(
"WS_READY");
1181 if (handler->HandleWS(arg))
1182 arg->SetTextContent(std::string(israw ?
"txt:" :
"") + std::to_string(arg->GetWSId()));
1184 arg->TakeWSEngine();
1187 process = arg->IsText();
1194 arg->SetWSId(std::stoul(connid));
1196 arg->SetMethod(
"WS_CLOSE");
1197 arg->SetTextContent(
"OK");
1199 arg->SetMethod(
"WS_DATA");
1202 process = handler->HandleWS(arg);
1261 return fSniffer->RegisterCommand(cmdname, method, icon);
1269 return SetItemField(foldername,
"_hidden", hide ?
"true" : (
const char *)0);
1288 return fSniffer->CreateItem(fullname, title);
1312 static const struct {
1317 {
".json", 5,
"application/json"},
1318 {
".bin", 4,
"application/x-binary"},
1319 {
".gif", 4,
"image/gif"},
1320 {
".jpg", 4,
"image/jpeg"},
1321 {
".png", 4,
"image/png"},
1322 {
".html", 5,
"text/html"},
1323 {
".htm", 4,
"text/html"},
1324 {
".shtm", 5,
"text/html"},
1325 {
".shtml", 6,
"text/html"},
1326 {
".css", 4,
"text/css"},
1327 {
".js", 3,
"application/x-javascript"},
1328 {
".mjs", 4,
"text/javascript"},
1329 {
".ico", 4,
"image/x-icon"},
1330 {
".jpeg", 5,
"image/jpeg"},
1331 {
".svg", 4,
"image/svg+xml"},
1332 {
".txt", 4,
"text/plain"},
1333 {
".torrent", 8,
"application/x-bittorrent"},
1334 {
".wav", 4,
"audio/x-wav"},
1335 {
".mp3", 4,
"audio/x-mp3"},
1336 {
".mid", 4,
"audio/mid"},
1337 {
".m3u", 4,
"audio/x-mpegurl"},
1338 {
".ogg", 4,
"application/ogg"},
1339 {
".ram", 4,
"audio/x-pn-realaudio"},
1340 {
".xslt", 5,
"application/xml"},
1341 {
".xsl", 4,
"application/xml"},
1342 {
".ra", 3,
"audio/x-pn-realaudio"},
1343 {
".doc", 4,
"application/msword"},
1344 {
".exe", 4,
"application/octet-stream"},
1345 {
".zip", 4,
"application/x-zip-compressed"},
1346 {
".xls", 4,
"application/excel"},
1347 {
".tgz", 4,
"application/x-tar-gz"},
1348 {
".tar", 4,
"application/x-tar"},
1349 {
".gz", 3,
"application/x-gunzip"},
1350 {
".arj", 4,
"application/x-arj-compressed"},
1351 {
".rar", 4,
"application/x-arj-compressed"},
1352 {
".rtf", 4,
"application/rtf"},
1353 {
".pdf", 4,
"application/pdf"},
1354 {
".swf", 4,
"application/x-shockwave-flash"},
1355 {
".mpg", 4,
"video/mpeg"},
1356 {
".webm", 5,
"video/webm"},
1357 {
".mpeg", 5,
"video/mpeg"},
1358 {
".mov", 4,
"video/quicktime"},
1359 {
".mp4", 4,
"video/mp4"},
1360 {
".m4v", 4,
"video/x-m4v"},
1361 {
".asf", 4,
"video/x-ms-asf"},
1362 {
".avi", 4,
"video/x-msvideo"},
1363 {
".bmp", 4,
"image/bmp"},
1364 {
".ttf", 4,
"application/x-font-ttf"},
1365 {
".woff", 5,
"font/woff"},
1366 {
".woff2", 6,
"font/woff2"},
1369 int path_len = strlen(path);
1380 return "text/plain";
1392 std::ifstream is(
filename, std::ios::in | std::ios::binary);
1396 is.seekg(0, is.end);
1398 is.seekg(0, is.beg);
1416 std::ifstream is(
filename, std::ios::in | std::ios::binary);
1419 is.seekg(0, std::ios::end);
1420 res.resize(is.tellg());
1421 is.seekg(0, std::ios::beg);
1422 is.read((
char *)res.data(), res.length());
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char filename
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void on
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void value
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t Atom_t Time_t UChar_t len
Option_t Option_t TPoint TPoint const char mode
char * Form(const char *fmt,...)
Formats a string in a circular formatting buffer.
R__EXTERN TSystem * gSystem
static const struct @145 builtin_mime_types[]
THttpEngine implementation, based on civetweb embedded server.
TClass instances represent classes, structs and namespaces in the ROOT type system.
void * New(ENewType defConstructor=kClassNew, Bool_t quiet=kFALSE) const
Return a pointer to a newly allocated object of this class.
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
THttpEngine implementation, based on fastcgi package.
Contains arguments for single HTTP call.
void Set404()
mark reply as 404 error - page/request not exists or refused
Abstract class for implementing http protocol for THttpServer.
void SetServer(THttpServer *serv)
virtual Bool_t Create(const char *)
Method to create all components of engine.
virtual void Process()
Method regularly called in main ROOT context.
virtual void Terminate()
Method called when server want to be terminated.
Emulation of websocket with long poll requests.
Online http server for arbitrary ROOT application.
Bool_t IsReadOnly() const
returns read-only mode
Bool_t RegisterCommand(const char *cmdname, const char *method, const char *icon=nullptr)
Register command which can be executed from web interface.
TString fJSROOT
! location of external JSROOT files
virtual void ProcessRequest(std::shared_ptr< THttpCallArg > arg)
Process single http request.
std::shared_ptr< THttpWSHandler > FindWS(const char *name)
Find web-socket handler with given name.
std::unique_ptr< TRootSniffer > fSniffer
! sniffer provides access to ROOT objects hierarchy
void SetTimer(Long_t milliSec=100, Bool_t mode=kTRUE)
Create timer which will invoke ProcessRequests() function periodically.
virtual void ProcessBatchHolder(std::shared_ptr< THttpCallArg > &arg)
Process special http request for root_batch_holder.js script.
std::vector< std::shared_ptr< THttpWSHandler > > fWSHandlers
! list of WS handlers
virtual ~THttpServer()
destructor
void SetTerminate()
set termination flag, no any further requests will be processed
virtual void MissedRequest(THttpCallArg *arg)
Method called when THttpServer cannot process request.
Bool_t fOwnThread
! true when specialized thread allocated for processing requests
void SetSniffer(TRootSniffer *sniff)
Set TRootSniffer to the server.
Bool_t IsFileRequested(const char *uri, TString &res) const
Check if file is requested, thread safe.
void SetReadOnly(Bool_t readonly=kTRUE)
Set read-only mode for the server (default on)
const char * GetItemField(const char *fullname, const char *name)
Get item field from sniffer.
const char * GetCors() const
Returns specified CORS domain.
std::thread fThrd
! own thread
void StopServerThread()
Stop server thread.
Int_t ProcessRequests()
Process submitted requests, must be called from appropriate thread.
Bool_t ExecuteWS(std::shared_ptr< THttpCallArg > &arg, Bool_t external_thrd=kFALSE, Bool_t wait_process=kFALSE)
Execute WS request.
void RegisterWS(std::shared_ptr< THttpWSHandler > ws)
Register WS handler.
TString fTopName
! name of top folder, default - "ROOT"
void SetDrawPage(const std::string &filename="")
Set drawing HTML page.
Bool_t CreateItem(const char *fullname, const char *title)
Create item in sniffer.
Bool_t ExecuteHttp(std::shared_ptr< THttpCallArg > arg)
Execute HTTP request.
Bool_t Hide(const char *fullname, Bool_t hide=kTRUE)
Hides folder or element from web gui.
void AddLocation(const char *prefix, const char *path)
Add files location, which could be used in the server.
std::map< std::string, std::string > fLocations
! list of local directories, which could be accessed via server
Bool_t SubmitHttp(std::shared_ptr< THttpCallArg > arg, Bool_t can_run_immediately=kFALSE)
Submit HTTP request.
Long_t fMainThrdId
! id of the thread for processing requests
TString fJSROOTSYS
! location of local JSROOT files
std::unique_ptr< THttpTimer > fTimer
! timer used to access main thread
Bool_t fWSOnly
! when true, handle only websockets / longpoll engine
Bool_t Register(const char *subfolder, TObject *obj)
Register object in subfolder.
TList fEngines
! engines which runs http server
void SetCors(const std::string &domain="*")
Enable CORS header to ProcessRequests() responses Specified location (typically "*") add as "Access-C...
Bool_t IsCors() const
Returns kTRUE if CORS was configured.
std::queue< std::shared_ptr< THttpCallArg > > fArgs
! submitted arguments
void SetDefaultPage(const std::string &filename="")
Set default HTML page.
THttpServer(const THttpServer &)=delete
static char * ReadFileContent(const char *filename, Int_t &len)
Reads content of file from the disk.
void CreateServerThread()
Creates special thread to process all requests, directed to http server.
std::string fDrawPageCont
! content of draw html page
Bool_t Unregister(TObject *obj)
Unregister object.
void SetWSOnly(Bool_t on=kTRUE)
Set websocket-only mode.
void ReplaceJSROOTLinks(std::shared_ptr< THttpCallArg > &arg)
Replaces all references like "jsrootsys/...".
std::string BuildWSEntryPage()
Create summary page with active WS handlers.
Bool_t IsWSOnly() const
returns true if only websockets are handled by the server
std::mutex fWSMutex
! mutex to protect WS handler lists
Bool_t CreateEngine(const char *engine)
Factory method to create different http engines.
Bool_t SetIcon(const char *fullname, const char *iconname)
Set name of icon, used in browser together with the item.
std::string fDrawPage
! file name for drawing of single element
std::string fDefaultPageCont
! content of default html page
static Bool_t VerifyFilePath(const char *fname)
Checked that filename does not contains relative path below current directory.
Bool_t SetItemField(const char *fullname, const char *name, const char *value)
Set item field in sniffer.
void SetJSROOT(const char *location)
Set location of JSROOT to use with the server.
std::mutex fMutex
! mutex to protect list with arguments
std::string fDefaultPage
! file name for default page name
void UnregisterWS(std::shared_ptr< THttpWSHandler > ws)
Unregister WS handler.
static const char * GetMimeType(const char *path)
Guess mime type base on file extension.
TRootSniffer * GetSniffer() const
returns pointer on objects sniffer
Bool_t fTerminated
! termination flag, disables all requests processing
void Restrict(const char *path, const char *options)
Restrict access to specified object.
void Timeout() override
timeout handler used to process http requests in main ROOT thread
THttpTimer(Long_t milliSec, Bool_t mode, THttpServer &serv)
!< server processing requests
Class for user-side handling of websocket with THttpServer.
virtual TString GetDefaultPageContent()
Provides content of default web page for registered web-socket handler Can be content of HTML page or...
void Add(TObject *obj) override
void Delete(Option_t *option="") override
Remove all objects from the list AND delete all heap based objects.
The TNamed class is the base class for all named ROOT classes.
TObject * At(Int_t idx) const override
Int_t GetLast() const override
Return index of last object in array.
Mother of all ROOT objects.
virtual const char * GetName() const
Returns name of object.
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
static const TString & GetRootSys()
Get the rootsys directory in the installation. Static utility function.
static const TString & GetDataDir()
Get the data directory in the installation. Static utility function.
Storage of hierarchy scan in TRootSniffer in JSON format.
Storage of hierarchy scan in TRootSniffer in XML format.
Sniffer of ROOT objects, data provider for THttpServer.
void CreateOwnTopFolder()
Create own TFolder structures independent from gROOT This allows to have many independent TRootSniffe...
void SetReadOnly(Bool_t on=kTRUE)
When readonly on (default), sniffer is not allowed to change ROOT structures For instance,...
void SetScanGlobalDir(Bool_t on=kTRUE)
When enabled (default), sniffer scans gROOT for files, canvases, histograms.
Ssiz_t First(char c) const
Find first occurrence of a character c.
const char * Data() const
void Resize(Ssiz_t n)
Resize the string. Truncate or add blanks as necessary.
Ssiz_t Last(char c) const
Find last occurrence of a character c.
TObjArray * Tokenize(const TString &delim) const
This function is used to isolate sequential tokens in a TString.
TString & Remove(Ssiz_t pos)
TString & Append(const char *cs)
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
virtual const char * Getenv(const char *env)
Get environment variable.
static Long_t SelfId()
Static method returning the id for the current thread.
Handles synchronous and a-synchronous timer events.
This class represents a WWW compatible URL.
const char * GetValueFromOptions(const char *key) const
Return a value for a given key from the URL options.
void SetOptions(const char *opt)
void ParseOptions() const
Parse URL options into a key/value map.
Bool_t HasOption(const char *key) const
Returns true if the given key appears in the URL options list.