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NCBI C++ ToolKit: src/misc/grid_cgi/grid_cgiapp.cpp Source File

message =

->

(

,

,

);

message.empty() ? what : message;

: m_Page(page), m_CgiContext(

), m_NeedRenderPage(

)

& name = it->first;

&

= it->second;

(!name.empty() && !

.empty()) {

& name = it->first;

&

= it->second;

ret +=

+ name

+

+

+

;

v = eit->second;

(

.empty()) {

v = eit->second;

&

)

(

.empty()) {

(!

.HasEntry(

,

)) {

.Set(

,

,

);

automatic_cleanup =

=

unique_ptr<CHTMLPage> page;

page->AddTagMap(

, stat_view);

}

(exception& e) {

<<

<< e.what());

(!job_key.empty()) {

finished =

;

job_key = grid_client.

();

sleep_time = 6;

total_sleep_time = 0;

( total_sleep_time < wait_time) {

(finished)

;

total_sleep_time += sleep_time;

sleep_time += sleep_time/3;

(exception& ex) {

(

exception& ex) {

(exception_message(ex.what()), grid_ctx);

page->AddTagMap(

, self_url);

page->AddTagMap(

, hidden_fields);

(exception& e) {

<<

<< e.what());

}

(exception& e) {

<<

<< e.what());

(!

.GetEntryValue(

).empty())

);

page.

(

, redirect);

page.

(

,delay);

page.

(

,h_url);

finished =

;

save_result =

;

Grid CGI Context Context in which a request is processed.

Grid Client (the submitter).

Client API for NetCache server.

Client API for NCBI NetSchedule server.

NetSchedule internal exception.

container_type::const_iterator const_iterator

container_type::iterator iterator

const_iterator begin() const

const_iterator end() const

const_iterator find(const key_type &key) const

The NCBI C++ standard methods for dealing with std::string.

static DLIST_TYPE *DLIST_NAME() first(DLIST_LIST_TYPE *list)

const string kGridCgiForm

NetSchedule Framework specs.

const CNcbiRegistry & GetConfig(void) const

Get the application's cached configuration parameters (read-only).

#define ITERATE(Type, Var, Cont)

ITERATE macro to sequence through container elements.

CNcbiRegistry & GetRWConfig(void)

Get the application's cached configuration parameters, accessible for read-write for an application's...

const CCgiResponse & GetResponse(void) const

const CCgiRequest & GetRequest(void) const

void Init(void) override

This method is called on the CGI application initialization – before starting to process a HTTP reque...

void SetRequestId(const string &rid, bool is_done)

const string & GetSelfURL(ESelfUrlPort) const

Using HTTP environment variables, compose the CGI's own URL as: SCHEME://SERVER_NAME[:SERVER_PORT]/SC...

const TCgiEntries & GetEntries(void) const

Get a set of entries(decoded) received from the client.

static SIZE_TYPE ParseEntries(const string &str, TCgiEntries &entries)

Decode the URL-encoded(FORM or ISINDEX) string "str" into a set of entries <"name",...

void SetHeaderValue(const string &name, const string &value)

CNcbiOstream & out(void) const

Get output stream. Throw exception if GetOutput() is NULL.

const string & GetProperty(ECgiProp prop) const

Get value of a "standard" property (return empty string if not defined)

CNcbiOstream & WriteHeader(void) const

Write HTTP response header to the output stream.

#define ERR_POST_X(err_subcode, message)

Error posting with default error code and given error subcode.

TErrCode GetErrCode(void) const

Get error code.

virtual const char * what(void) const noexcept

Standard report (includes full backlog).

virtual void AddTagMap(const string &name, BaseTagMapper *mapper)

Tag mappers.

CCgiContext & m_CgiContext

TPersistedEntries m_PersistedEntries

CNcbiRegistry * m_Registry

EJobStatus

Job status codes.

TCgiEntries m_ParsedQueryString

virtual void OnJobCanceled(CGridCgiContext &)

This method is called if job was canceled during its execution.

void SetJobProgressMessage(const string &msg)

CNetScheduleSubmitter GetSubmitter()

Create an instance of CNetScheduleSubmitter.

void SetCompleteResponse(CNcbiIstream &is)

virtual void PrepareJobData(CGridClient &grid_client)=0

This method is called when a job is ready to be send to a the queue.

void DefinePersistentEntry(const string &entry_name, const string &value)

void PullUpPersistentEntry(const string &entry_name)

Save this entry as a cookie add it to serf url.

void Clear()

Remove all persisted entries from cookie and self url.

const string & GetJobInput()

Get a job's input sting.

void SetJobInput(const string &input)

bool x_JobStopRequested(const CGridCgiContext &) const

virtual void Init(void)

This method is called on the CGI application initialization – before starting to process a HTTP reque...

virtual void OnQueueIsBusy(CGridCgiContext &)

This method is call when a job couldn't be submitted because of NetSchedule queue is full.

const string & GetEntryValue(const string &entry_name) const

Get a value from a CGI request.

void SetJobKey(const string &job_key)

virtual int ProcessRequest(CCgiContext &ctx)

Do not override this method yourself! – it includes all the GRIDCGI specific machinery.

virtual void OnBeginProcessRequest(CGridCgiContext &)

This method is call at the very beginning of the request processing.

virtual bool JobStopRequested(void) const

When job is still running this method is called to check if cancel has been requested via the user in...

const string & GetErrorMessage()

If something bad has happened this method will return an explanation.

CNetScheduleAPI::EJobStatus GetStatus()

Get a job status.

virtual string GetPageTitle(void) const =0

Return page name.

CCgiContext & GetCGIContext()

Get CGI Context.

virtual void OnJobPending(CGridCgiContext &)

This method is call when a job is in NetSchedule queue and is waiting for a worker node.

virtual void OnJobDone(CGridClient &grid_client, CGridCgiContext &ctx)=0

This method is call when a worker node finishes its job and result is ready to be retrieved.

bool x_CheckJobStatus(CGridCgiContext &grid_ctx)

unique_ptr< CGridClient > m_GridClient

virtual void ShowParamsPage(CGridCgiContext &ctx) const =0

Show a page with input data.

void InitGridClient()

Initialize grid client.

string GetSelfURL(void) const

Get Self URL.

string GetProgressMessage()

Get a job interim message.

CCgiResponse * m_Response

static string StatusToString(EJobStatus status)

Printable status type.

virtual void OnJobRunning(CGridCgiContext &)

This method is call when a job is taken by a worker node to be processed.

bool NeedRenderPage() const

void RenderRefresh(CHTMLPage &page, const string &url, int delay)

virtual bool CollectParams(CGridCgiContext &ctx)=0

Collect parameters from HTML form If this method returns false that means that input parameters were ...

void CancelJob(const string &job_key)

Cancel Job.

void SetJobKey(const string &job_key)

string Submit(const string &affinity=kEmptyStr)

Submit a job to the queue.

const string & GetJobKey(void) const

Get Current job key.

CGridClient & GetGridClient(void)

Get a Grid Client.

virtual void OnJobSubmitted(CGridCgiContext &)

This method is called just after a job has been submitted.

virtual void OnJobFailed(const string &, CGridCgiContext &)

This method is called when worker node reported a failure.

virtual string GetProgramVersion(void) const =0

Get program version (like: MyProgram v.

const string & GetJobOutput()

Get a job's output string.

void SetProgramVersion(const string &pv)

Set program version (like: MyProgram v.

virtual void OnEndProcessRequest(CGridCgiContext &)

This method is call at the very end of the request processing.

void SetJobOutput(const string &output)

CNetScheduleAPI m_NSClient

virtual string GetPageTemplate(void) const =0

Return a name of a file this HTML page template.

string GetHiddenFields() const

virtual bool IsCachingNeeded(const CCgiRequest &request) const

CNetCacheAPI m_NetCacheAPI

CGridCgiContext(CHTMLPage &page, CCgiContext &ctx)

@ eDone

Job is ready (computed successfully)

@ eCanceled

Explicitly canceled.

@ eRunning

Running on a worker node.

@ eJobNotFound

No such job.

@ ePending

Waiting for execution.

@ eFailed

Failed to run (execution timeout)

virtual bool GetBool(const string &section, const string &name, bool default_value, TFlags flags=0, EErrAction err_action=eThrow) const

Get boolean value of specified parameter name.

virtual int GetInt(const string &section, const string &name, int default_value, TFlags flags=0, EErrAction err_action=eThrow) const

Get integer value of specified parameter name.

virtual string GetString(const string &section, const string &name, const string &default_value, TFlags flags=0) const

Get the parameter string value.

@ eReturn

Return default value.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

static int CompareNocase(const CTempString s1, SIZE_TYPE pos, SIZE_TYPE n, const char *s2)

Case-insensitive compare of a substring with another string.

static string IntToString(int value, TNumToStringFlags flags=0, int base=10)

Convert int to string.

static string URLEncode(const CTempString str, EUrlEncode flag=eUrlEnc_SkipMarkChars)

URL-encode string.

const GenericPointer< typename T::ValueType > T2 value

void SleepMilliSec(unsigned long ml_sec, EInterruptOnSignal onsignal=eRestartOnSignal)

SExceptionMessage(CNcbiRegistry *registry=nullptr)

string operator()(const string &what)

static wxAcceleratorEntry entries[3]

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