/////////////////////////////////////////////////
// Google-Web-Context-Graph
PGgCtxGraph TGgCtxGraph::GetCtxGraph(const TStr& FocusUrlStr){
// create context-graph
PGgCtxGraph CtxGraph=TGgCtxGraph::New();
CtxGraph->Ok=false;
// get focus-web-page
CtxGraph->FocusUrlStr=FocusUrlStr;
{bool Ok; TStr MsgStr;
TWebFetchBlocking::GetWebPg(
CtxGraph->FocusUrlStr, Ok, MsgStr, CtxGraph->FocusWebPg, TNotify::StdNotify);
if (!Ok){return CtxGraph;}}
// get 'In' set of links
PRSet InRSet=
TGg::WebSearch(TStr("link:")+CtxGraph->FocusUrlStr, -1, TNotify::StdNotify);
for (int HitN=0; HitN<InRSet->GetHits(); HitN++){
TStr UrlStr; TStr TitleStr; TStr SrcNm; TStr CtxStr;
InRSet->GetHit(HitN, UrlStr, TitleStr, SrcNm, CtxStr);
TitleStr.ChangeChAll('\n', ' ');
CtxGraph->InUrlCtxStrPrV.Add(TStrPr(UrlStr, TitleStr));
}
// get Out set
TStrKdV OutDescUrlStrKdV;
CtxGraph->FocusWebPg->GetOutDescUrlStrKdV(OutDescUrlStrKdV);
for (int UrlN=0; UrlN<OutDescUrlStrKdV.Len(); UrlN++){
OutDescUrlStrKdV[UrlN].Key.ChangeChAll('\n', ' ');
CtxGraph->OutUrlCtxStrPrV.Add(
TStrPr(OutDescUrlStrKdV[UrlN].Dat, OutDescUrlStrKdV[UrlN].Key));
}
// set context-graph successful
CtxGraph->Ok=true;
// return context-graph
return CtxGraph;
}
// replay a particular http request
void TReplaySrv::ReplayHttpRq(const PHttpRq& HttpRq)
{
PUrl HttpRqUrl = HttpRq->GetUrl();
// extract function name
TStr FunNm = HttpRqUrl->GetPathSeg(0);
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// processed requested function
if (!FunNm.Empty()) {
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, TUInt64::Mx, HttpRq, FunNmToFunH);
// retrieve function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
// call function
SrvFun->Exec(FldNmValPrV, RqEnv);
}
}
// if one or more items with FldNm already exist remove them first
// add to FldNmValPrV pair (FldNm, FldVal)
void TSAppSrvFun::SetFldNmVal(TStrKdV& FldNmValPrV, const TStr& FldNm, const TStr& FldVal)
{
for (int N = FldNmValPrV.Len() - 1; N >= 0; N--) {
if (FldNmValPrV[N].Key == FldNm)
FldNmValPrV.Del(N);
}
FldNmValPrV.Add(TStrKd(FldNm, FldVal));
}
void TSAppSrvFun::GetFldValSet(const TStrKdV& FldNmValPrV, const TStr& FldNm, TStrSet& FldValSet) {
FldValSet.Clr();
int ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""));
while (ValN != -1) {
FldValSet.AddKey(FldNmValPrV[ValN].Dat);
ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""), ValN + 1);
}
}
bool TSAppSrvFun::IsFldNmVal(const TStrKdV& FldNmValPrV,
const TStr& FldNm, const TStr& FldVal) {
int ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""));
while (ValN != -1) {
if (FldNmValPrV[ValN].Dat == FldVal) { return true; }
ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""), ValN + 1);
}
return false;
}
TStr TRegKey::GetVal(const PRegKey& Key, const TStr& SubKeyNm, const TStr& ValNm){
PRegKey RegKey=TRegKey::GetKey(Key, SubKeyNm);
if (RegKey->IsOk()){
TStrKdV ValNmStrKdV; RegKey->GetValV(ValNmStrKdV);
int ValN;
if (ValNmStrKdV.IsIn(TStrKd(ValNm), ValN)){
return ValNmStrKdV[ValN].Dat;
} else {
return "";
}
} else {
return "";
}
}
void TSASFunRedirect::Exec(const TStrKdV& FldNmValPrV, const PSAppSrvRqEnv& RqEnv) {
PUrl Url = RqEnv->GetHttpRq()->GetUrl();
TStr FunNm = (Url->GetPathSegs() > 1) ? Url->GetPathSeg(1) : "";
EAssert(MapH.IsKey(FunNm));
const TRedirect& Redirect = MapH.GetDat(FunNm);
TStrKdV _FldNmValPrV = Redirect.FldNmValPrV;
for (int FldN = 0; FldN < FldNmValPrV.Len(); FldN++) {
TStr OrgFldNm = FldNmValPrV[FldN].Key;
if (Redirect.FldNmMapH.IsKey(OrgFldNm)) {
_FldNmValPrV.Add(TStrKd(Redirect.FldNmMapH.GetDat(OrgFldNm), FldNmValPrV[FldN].Dat));
}
}
RqEnv->ExecFun(Redirect.FunNm, _FldNmValPrV);
}
void TSAppSrvFun::LogReqRes(const TStrKdV& FldNmValPrV, const PHttpResp& HttpResp)
{
if (LogRqFolder == "")
return;
try {
TDir::GenDir(LogRqFolder);
TStr TimeNow = TTm::GetCurLocTm().GetWebLogDateTimeStr(true);
TimeNow.ChangeChAll(':', '.');
PSOut Output = TFOut::New(LogRqFolder + "/" + TimeNow + ".txt", false);
Output->PutStr(FunNm.CStr()); Output->PutCh('\n');
for (int N=0; N < FldNmValPrV.Len(); N++)
Output->PutStrFmt(" %s: %s\n", FldNmValPrV[N].Key.CStr(), FldNmValPrV[N].Dat.CStr());
Output->PutCh('\n');
Output->PutStr(HttpResp->GetBodyAsStr(), false);
} catch (...) {
/*const PNotify& Notify = RqEnv->GetWebSrv()->GetNotify();
Notify->OnStatus("Unable to log request for function '" + GetFunNm() + "'!");*/
}
}
TStr TSAppSrvFun::GetFldVal(const TStrKdV& FldNmValPrV,
const TStr& FldNm, const TStr& DefFldVal) {
const int ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""));
return (ValN == -1) ? DefFldVal : FldNmValPrV[ValN].Dat;
}
//////////////////////////////////////
// Simple-App-Server-Function
bool TSAppSrvFun::IsFldNm(const TStrKdV& FldNmValPrV, const TStr& FldNm) {
const int ValN = FldNmValPrV.SearchForw(TStrKd(FldNm, ""));
return (ValN != -1);
}
/////////////////////////////////////////////////
// EuProjects-Web-Fetch
void TCordisEuProjWebFetch::OnFetch(const int&, const PWebPg& WebPg){
// print url of downloaded page
printf("%s\n", WebPg->GetUrlStr().CStr());
printf("-----------------------\n");
//printf("%s", WebPg->GetHttpHdStr().CStr());
//printf("%s", WebPg->GetHttpBodyAsStr().CStr());
// get current page url & set of outgoing urls with descriptions
TStr WebPgUrlStr=WebPg->GetUrlStr();
TStrKdV DescUrlStrKdV; WebPg->GetOutDescUrlStrKdV(DescUrlStrKdV);
// check current page type and react accordingly
if (WebPgUrlStr.IsPrefix("http://dbs.cordis.lu/fep-cgi/srchidadb?ACTION=D&")){
// if the page represents project description (ACTION=D)
// save the document
TStr HtmlStr=WebPg->GetHttpBodyAsStr();
WebPgUrlStr.Save(*EuProjSOut);
HtmlStr.Save(*EuProjSOut);
EuProjSOut->Flush();
int DescUrlStrKdN=DescUrlStrKdV.SearchForw(TStrKd("NEXT RECORD"));
if (DescUrlStrKdN!=-1){
// fetch next document
FetchDocN++;
FetchUrlStr=
TStr("http://dbs.cordis.lu/fep-cgi/srchidadb?ACTION=D&SESSION=")+
FetchSesIdStr+"&DOC="+TInt::GetStr(FetchDocN);
FetchRetries=0;
FetchUrl(FetchUrlStr);
} else {
printf("*** No forward pointer.\n");
TSysMsg::Quit();
}
// search for forward pointer (to the next project description)
/*int DescUrlStrKdN=DescUrlStrKdV.SearchForw(TStrKd("NEXT RECORD"));
if (DescUrlStrKdN!=-1){
// fetch next project description (usual, most frequent case)
FetchUrlStr=DescUrlStrKdV[DescUrlStrKdN].Dat; FetchRetries=0;
FetchUrl(FetchUrlStr);
} else {
// last project description doesn't include forward pointer
printf("*** No forward pointer.\n");
TSysMsg::Quit();
}*/
} else
if (WebPgUrlStr.IsPrefix("http://dbs.cordis.lu/fep-cgi/srchidadb?ACTION=R&")){
// if the page represents project record-set (ACTION=R)
// take session id
FetchSesIdStr=WebPgUrlStr.GetWcMatch("*SESSION=*&*", 1);
FetchDocN=1;
FetchUrlStr=
TStr("http://dbs.cordis.lu/fep-cgi/srchidadb?ACTION=D&SESSION=")+
FetchSesIdStr+"&DOC="+TInt::GetStr(FetchDocN);
FetchRetries=0;
FetchUrl(FetchUrlStr);
// move to the first project-description-url (first record-set only)
/*int DescUrlStrKdN=0;
while (DescUrlStrKdN<DescUrlStrKdV.Len()){
TStr UrlStr=DescUrlStrKdV[DescUrlStrKdN].Dat; DescUrlStrKdN++;
if (UrlStr.IsPrefix("http://dbs.cordis.lu/fep-cgi/srchidadb?ACTION=D&")){
// fetch first project-description only
FetchUrl(UrlStr);
}
}
if (DescUrlStrKdN>=DescUrlStrKdV.Len()){
// quit downloading if no project descriptions
printf("*** No project descriptions.\n");
TSysMsg::Quit();
}*/
// fetch next index page
/*int DescUrlStrKdN=DescUrlStrKdV.SearchForw(TStrKd("NEXT 20 RECORDS"));
if (DescUrlStrKdN!=-1){
FetchUrlStr=DescUrlStrKdV[DescUrlStrKdN].Dat;
FetchRetries=0;
FetchUrl(FetchUrlStr);
} else {
printf("*** No next 20 records.\n");
}*/
} else {
// get forward pointer to the first project record-set (start only)
int DescUrlStrKdN=DescUrlStrKdV.SearchForw(TStrKd("NEXT 20 RECORDS"));
if (DescUrlStrKdN!=-1){
FetchUrl(DescUrlStrKdV[DescUrlStrKdN].Dat);}
}
}
void TSAppSrv::OnHttpRq(const uint64& SockId, const PHttpRq& HttpRq) {
// last appropriate error code, start with bad request
int ErrStatusCd = THttp::BadRqStatusCd;
try {
// check http-request correctness - return if error
EAssertR(HttpRq->IsOk(), "Bad HTTP request!");
// check url correctness - return if error
PUrl RqUrl = HttpRq->GetUrl();
EAssertR(RqUrl->IsOk(), "Bad request URL!");
// extract function name
PUrl HttpRqUrl = HttpRq->GetUrl();
TStr FunNm = HttpRqUrl->GetPathSeg(0);
// check if we have the function registered
if (FunNm == "favicon.ico") {
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::ImageIcoFldVal, false, Favicon.GetSIn());
SendHttpResp(SockId, HttpResp);
return;
} else if (!FunNm.Empty() && !FunNmToFunH.IsKey(FunNm)) {
ErrStatusCd = THttp::ErrNotFoundStatusCd;
GetNotify()->OnStatusFmt("[AppSrv] Unknown function '%s'!", FunNm.CStr());
TExcept::Throw("Unknown function '" + FunNm + "'!");
}
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// report call
if (ShowParamP) { GetNotify()->OnStatus(" " + HttpRq->GetUrl()->GetUrlStr()); }
// request parsed well, from now on it's internal error
ErrStatusCd = THttp::InternalErrStatusCd;
// processed requested function
if (!FunNm.Empty()) {
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, SockId, HttpRq, FunNmToFunH);
// retrieve function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
// call function
SrvFun->Exec(FldNmValPrV, RqEnv);
} else {
// internal SAppSrv call
if (!ListFunP) {
// we are not allowed to list functions
ErrStatusCd = THttp::ErrNotFoundStatusCd;
TExcept::Throw("Unknown page");
}
// prepare a list of registered functions
PXmlTok TopTok = TXmlTok::New("registered-functions");
int KeyId = FunNmToFunH.FFirstKeyId();
while (FunNmToFunH.FNextKeyId(KeyId)) {
PXmlTok FunTok = TXmlTok::New("function");
FunTok->AddArg("name", FunNmToFunH.GetKey(KeyId));
TopTok->AddSubTok(FunTok);
}
TStr ResXmlStr; TXmlDoc::New(TopTok)->SaveStr(ResXmlStr);
PSIn BodySIn = TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextXmlFldVal, false, BodySIn);
// send response
SendHttpResp(SockId, HttpResp);
}
} catch (PExcept Except) {
// known internal error
PXmlTok TopTok = TXmlTok::New("error");
TopTok->AddSubTok(TXmlTok::New("message", Except->GetMsgStr()));
TopTok->AddSubTok(TXmlTok::New("location", Except->GetLocStr()));
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr));
// send response
SendHttpResp(SockId, HttpResp);
} catch (...) {
// unknown internal error
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TXmlTok::New("error"));
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
// prepare response
PHttpResp HttpResp = THttpResp::New(ErrStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(TSAppSrvFun::XmlHdStr + ResXmlStr));
// send response
SendHttpResp(SockId, HttpResp);
}
}
void TSAppSrv::OnHttpRq(const int& SockId, const PHttpRq& HttpRq) {
PHttpResp HttpResp;
try {
// check http-request correctness - return if error
EAssertR(HttpRq->IsOk(), "Bad HTTP request!");
// check url correctness - return if error
PUrl RqUrl = HttpRq->GetUrl();
EAssertR(RqUrl->IsOk(), "Bad request URL!");
// extract function name
PUrl HttpRqUrl = HttpRq->GetUrl();
TStr FunNm = HttpRqUrl->GetPathSeg(0);
EAssertR(FunNmToFunH.IsKey(FunNm) || FunNm.Empty(), "Unknown function '" + FunNm + "' !");
// extract parameters
TStrKdV FldNmValPrV;
PUrlEnv HttpRqUrlEnv = HttpRq->GetUrlEnv();
const int Keys = HttpRqUrlEnv->GetKeys();
for (int KeyN = 0; KeyN < Keys; KeyN++) {
TStr KeyNm = HttpRqUrlEnv->GetKeyNm(KeyN);
const int Vals = HttpRqUrlEnv->GetVals(KeyN);
for (int ValN = 0; ValN < Vals; ValN++) {
TStr Val = HttpRqUrlEnv->GetVal(KeyN, ValN);
FldNmValPrV.Add(TStrKd(KeyNm, Val));
}
}
// log the call
TStr TimeNow = TTm::GetCurLocTm().GetWebLogDateTimeStr(true);
GetNotify()->OnStatus(TStr::Fmt("[%s] Request %s", TimeNow.CStr(), FunNm.CStr()));
// prepare request environment
PSAppSrvRqEnv RqEnv = TSAppSrvRqEnv::New(this, SockId, HttpRq);
PSIn BodySIn; TStr ContTypeVal;
if (!FunNm.Empty()) {
// call function
PSAppSrvFun SrvFun = FunNmToFunH.GetDat(FunNm);
if (SrvFun->GetFunOutType() == saotXml) {
PXmlDoc ResXmlDoc = SrvFun->Exec(FldNmValPrV, RqEnv);
TStr ResXmlStr; ResXmlDoc->SaveStr(ResXmlStr);
//ResXmlDoc->SaveTxt(TFile::GetUniqueFNm("test.xml"));
BodySIn = TMIn::New(XmlHdStr + ResXmlStr);
ContTypeVal = THttp::TextXmlFldVal;
} else if (SrvFun->GetFunOutType() == saotJSon) {
TStr ResStr = SrvFun->ExecJSon(FldNmValPrV, RqEnv);
BodySIn = TMIn::New(ResStr);
//ContTypeVal = THttp::TextHtmlFldVal;
ContTypeVal = THttp::AppJSonFldVal;
} else {
BodySIn = SrvFun->ExecCustom(FldNmValPrV, RqEnv, ContTypeVal);
}
} else {
PXmlTok TopTok = TXmlTok::New("registered-functions");
int KeyId = FunNmToFunH.FFirstKeyId();
while (FunNmToFunH.FNextKeyId(KeyId)) {
PXmlTok FunTok = TXmlTok::New("function");
FunTok->AddArg("name", FunNmToFunH.GetKey(KeyId));
TopTok->AddSubTok(FunTok);
}
PXmlDoc ResXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ResXmlDoc->SaveStr(ResXmlStr);
BodySIn = TMIn::New(XmlHdStr + ResXmlStr);
ContTypeVal = THttp::TextXmlFldVal;
}
// prepare response
HttpResp = THttpResp::New(THttp::OkStatusCd,
ContTypeVal, false, BodySIn);
// send response
} catch (PExcept Except) {
PXmlTok TopTok = TXmlTok::New("error");
TopTok->AddSubTok(TXmlTok::New("message", Except->GetMsgStr()));
TopTok->AddSubTok(TXmlTok::New("location", Except->GetLocStr()));
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TopTok);
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(XmlHdStr + ResXmlStr));
} catch (...) {
PXmlDoc ErrorXmlDoc = TXmlDoc::New(TXmlTok::New("error"));
TStr ResXmlStr; ErrorXmlDoc->SaveStr(ResXmlStr);
HttpResp = THttpResp::New(THttp::OkStatusCd,
THttp::TextHtmlFldVal, false,
TMIn::New(XmlHdStr + ResXmlStr));
}
SendHttpResp(SockId, HttpResp);
}
