// 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 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);
}