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thorsoapcall.cpp
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thorsoapcall.cpp
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/*##############################################################################
HPCC SYSTEMS software Copyright (C) 2012 HPCC Systems.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
############################################################################## */
#include "jliball.hpp"
#include "jqueue.tpp"
#include "jisem.hpp"
#include "thorxmlread.hpp"
#include "thorxmlwrite.hpp"
#include "thorcommon.ipp"
#include "thorsoapcall.hpp"
#include "securesocket.hpp"
#include "eclrtl.hpp"
#ifndef _WIN32
#include <stdexcept>
#endif
#include <new>
#define CONTENT_LENGTH "Content-Length: "
unsigned soapTraceLevel = 1;
#define WSCBUFFERSIZE 0x10000
#define MAXWSCTHREADS 50 //Max Web Service Call Threads
interface IReceivedRoxieException : extends IException
{
public:
virtual const void *errorRow() = 0;
};
#define EXCEPTION_PREFIX "ReceivedRoxieException:"
class ReceivedRoxieException: public CInterface, public IReceivedRoxieException
{
public:
IMPLEMENT_IINTERFACE;
ReceivedRoxieException(int code, const char *_msg, const void *_row=NULL) : errcode(code), msg(_msg), row(_row) { };
int errorCode() const { return (errcode); };
StringBuffer & errorMessage(StringBuffer &str) const
{
if (strncmp(str.str(), EXCEPTION_PREFIX, strlen(EXCEPTION_PREFIX)) == 0)
str.append(msg);
else
str.append(EXCEPTION_PREFIX).append(" (").append(msg).append(")");
return str;
};
MessageAudience errorAudience() const { return (MSGAUD_user); };
const void *errorRow() { return (row); };
private:
int errcode;
StringAttr msg;
const void *row;
};
//=================================================================================================
class Url : public CInterface, implements IInterface
{
public:
IMPLEMENT_IINTERFACE;
StringBuffer method;
StringBuffer host;
unsigned port;
StringBuffer path;
StringBuffer userPasswordPair;
StringBuffer &getUrlString(StringBuffer &url) const
{
return url.append(method).append("://").append(host).append(":").append(port).append(path);
}
IException *getUrlException(IException *e) const
{
StringBuffer url;
StringBuffer text;
e->errorMessage(text);
rtlAddExceptionTag(text, "url", getUrlString(url).str());
if (text.length() <= 1024)
return MakeStringException(e->errorCode(), "%s", text.str());
else
return MakeStringExceptionDirect(e->errorCode(), text.str());
}
Url() : port(0)
{
}
private:
char translateHex(char hex) {
if(hex >= 'A')
return (hex & 0xdf) - 'A' + 10;
else
return hex - '0';
}
void userPassword_decode(const char* userpass, StringBuffer& result)
{
if(!userpass || !*userpass)
return;
const char *finger = userpass;
while (*finger)
{
char c = *finger++;
if (c == '%')
{
if(*finger != '\0')
{
c = translateHex(*finger);
finger++;
}
if(*finger != '\0')
{
c = (char)(c*16 + translateHex(*finger));
finger++;
}
}
result.append(c);
}
return;
}
public:
Url(char *urltext)
{
char *p;
if ((p = strstr(urltext, "://")) != NULL)
{
*p = 0;
p += 3; // skip past the colon-slash-slash
method.append(urltext);
urltext = p;
}
else
throw MakeStringException(-1, "Malformed URL");
if ((p = strchr(urltext, '@')) != NULL)
{
// extract username & password
*p = 0;
p++;
userPassword_decode(urltext, userPasswordPair);
urltext = p;
}
if ((p = strchr(urltext, ':')) != NULL)
{
// extract the port
*p = 0;
p++;
port = atoi(p);
host.append(urltext);
if ((p = strchr(p, '/')) != NULL)
path.append(p);
else
path.append("/");
}
else
{
// no port - look at method for port
if (stricmp(method.str(), "https") == 0)
port = 443;
else if (stricmp(method.str(), "http") == 0)
port = 80;
else
throw MakeStringException(-1, "Unsupported access method");
if ((p = strchr(urltext, '/')) != NULL)
{
*p = 0;
p++;
host.append(urltext);
path.append("/").append(p);
}
else
{
host.append(urltext);
path.append("/");
}
}
}
};
typedef IArrayOf<Url> UrlArray;
//=================================================================================================
class UrlListParser
{
public:
UrlListParser(const char * text)
{
fullText = strdup(text);
}
~UrlListParser()
{
free(fullText);
}
unsigned getUrls(UrlArray &array)
{
char *copyFullText = strdup(fullText);
char *saveptr;
char *url = strtok_r(copyFullText, "|", &saveptr);
while (url != NULL)
{
array.append(*new Url(url));
url = strtok_r(NULL, "|", &saveptr);
}
free(copyFullText);
return array.ordinality();
}
private:
char *fullText;
};
//=================================================================================================
#define BLACKLIST_RETRIES 10
#define ROXIE_ABORT_EVENT 1407
#define TIMELIMIT_EXCEEDED 1408
class BlackLister : public CInterface, implements IThreadFactory
{
SocketEndpointArray list;
Owned<IThreadPool> pool;
CriticalSection crit;
private:
inline void checkRoxieAbortMonitor(IRoxieAbortMonitor * roxieAbortMonitor)
{
if (roxieAbortMonitor)
{
try
{
roxieAbortMonitor->checkForAbort();//throws
}
catch (IException *e)
{
StringBuffer s;
throw MakeStringException(ROXIE_ABORT_EVENT, "%s", e->errorMessage(s).str());
}
}
}
public:
bool lookup(SocketEndpoint &ep, const IContextLogger &logctx)
{
CriticalBlock b(crit);
if (list.find(ep)!=NotFound)
{
if (soapTraceLevel > 3)
{
StringBuffer s;
logctx.CTXLOG("socket %s is blacklisted", ep.getUrlStr(s).str());
}
return true;
}
return false;
}
void blacklist(SocketEndpoint &ep, const IContextLogger &logctx)
{
CriticalBlock b(crit);
if (list.find(ep)==NotFound)
{
if (soapTraceLevel > 0)
{
StringBuffer s;
logctx.CTXLOG("Blacklisting socket %s", ep.getUrlStr(s).str());
}
list.append(ep);
pool->start(&ep);
}
}
void deblacklist(SocketEndpoint &ep)
{
CriticalBlock b(crit);
unsigned idx = list.find(ep);
if (idx!=NotFound)
{
if (soapTraceLevel > 0)
{
StringBuffer s;
DBGLOG("De-blacklisting socket %s", ep.getUrlStr(s).str());
}
list.remove(idx);
}
}
public:
IMPLEMENT_IINTERFACE;
BlackLister()
{
pool.setown(createThreadPool("SocketBlacklistPool", this, NULL, 0, 0));
}
ISocket* connect(SocketEndpoint &ep,
const IContextLogger &logctx,
unsigned retries,
unsigned timeoutMS,
IRoxieAbortMonitor * roxieAbortMonitor)
{
if (lookup(ep, logctx))
{
StringBuffer s;
ep.getUrlStr(s);
throw MakeStringException(-1, "blacklisted socket %s", s.str());
}
Owned<IException> exc;
try
{
checkRoxieAbortMonitor(roxieAbortMonitor);
Owned<ISocket> sock;
Owned<ISocketConnectWait> scw = nonBlockingConnect(ep, timeoutMS == WAIT_FOREVER ? 60000 : timeoutMS*(retries+1));
loop
{
sock.setown(scw->wait(1000));//throws if connect fails or timeoutMS
checkRoxieAbortMonitor(roxieAbortMonitor);
if (sock)
return sock.getLink();
}
}
catch (IJSOCK_Exception *e)
{
EXCLOG(e,"BlackLister::connect");
if (exc)
e->Release();
else
exc.setown(e);
}
blacklist(ep, logctx);
if (exc->errorCode()==JSOCKERR_connection_failed) {
StringBuffer s;
ep.getUrlStr(s);
throw MakeStringException(JSOCKERR_connection_failed, "connection failed %s", s.str());
}
throw exc.getClear();
return NULL;
}
bool blacklisted (unsigned short port, char const* host)
{
SocketEndpoint ep(host, port);
return (list.find(ep)!=NotFound);
}
ISocket* connect(unsigned short port,
char const* host,
const IContextLogger &logctx,
unsigned retries,
unsigned timeoutMS,
IRoxieAbortMonitor * roxieAbortMonitor )
{
SocketEndpoint ep(host, port);
return connect(ep, logctx, retries, timeoutMS, roxieAbortMonitor);
}
virtual IPooledThread *createNew()
{
class SocketDeblacklister : public CInterface, implements IPooledThread
{
SocketEndpoint ep;
BlackLister &parent;
Semaphore stopped;
public:
IMPLEMENT_IINTERFACE;
SocketDeblacklister(BlackLister &_parent): parent(_parent)
{
}
~SocketDeblacklister()
{
}
virtual void init(void *param)
{
ep.set(*(SocketEndpoint *) param);
}
virtual void main()
{
unsigned delay = 5000;
for (unsigned i = 0; i < BLACKLIST_RETRIES; i++)
{
try
{
Owned<ISocket> s = ISocket::connect_timeout(ep, 10000);
s->close();
break;
}
catch (IJSOCK_Exception *E)
{
// EXCLOG(E, "While updating socket blacklist"); // MORE - may need to downgrade if this fires traps
E->Release();
if (stopped.wait(delay))
return;
delay += delay;
}
}
parent.deblacklist(ep);
}
virtual bool stop()
{
stopped.signal();
return true;
}
virtual bool canReuse() { return true; }
};
return new SocketDeblacklister(*this);
}
void stop()
{
pool->stopAll();
}
} *blacklist;
MODULE_INIT(INIT_PRIORITY_STANDARD)
{
blacklist = new BlackLister;
return true;
}
MODULE_EXIT()
{
blacklist->stop();
delete blacklist;
}
//=================================================================================================
class ColumnProvider : public CInterface, public IColumnProvider
{
public:
ColumnProvider(unsigned _callLatencyMs) : callLatencyMs(_callLatencyMs), base(NULL) {}
IMPLEMENT_IINTERFACE;
virtual bool getBool(const char * path) { return base->getBool(path); }
virtual void getData(size32_t len, void * text, const char * path) { base->getData(len, text, path); }
virtual void getDataX(size32_t & len, void * & text, const char * path) { base->getDataX(len, text, path); }
virtual __int64 getInt(const char * path)
{
__int64 ret = base->getInt(path);
if((ret==0) && path && *path=='_')
{
if (stricmp(path, "_call_latency_ms")==0)
ret = callLatencyMs;
else if (stricmp(path, "_call_latency")==0)
ret = (callLatencyMs + 500) / 1000;
}
return ret;
}
virtual void getQString(size32_t len, char * text, const char * path) { base->getQString(len, text, path); }
virtual void getString(size32_t len, char * text, const char * path) { base->getString(len, text, path); }
virtual void getStringX(size32_t & len, char * & text, const char * path) { base->getStringX(len, text, path); }
virtual void getUnicodeX(size32_t & len, UChar * & text, const char * path) { base->getUnicodeX(len, text, path); }
virtual bool getIsSetAll(const char * path) { return base->getIsSetAll(path); }
virtual IColumnProviderIterator * getChildIterator(const char * path) { return base->getChildIterator(path); }
virtual void getUtf8X(size32_t & len, char * & text, const char * path) { base->getUtf8X(len, text, path); }
virtual bool readBool(const char * path, bool _default) { return base->readBool(path, _default); }
virtual void readData(size32_t len, void * text, const char * path, size32_t _lenDefault, const void * _default) { base->readData(len, text, path, _lenDefault, _default); }
virtual void readDataX(size32_t & len, void * & text, const char * path, size32_t _lenDefault, const void * _default) { base->readDataX(len, text, path, _lenDefault, _default); }
virtual __int64 readInt(const char * path, __int64 _default)
{
if(path && *path=='_')
{
if (stricmp(path, "_call_latency_ms")==0)
return callLatencyMs;
else if (stricmp(path, "_call_latency")==0)
return (callLatencyMs + 500) / 1000;
}
return base->readInt(path, _default);
}
virtual void readQString(size32_t len, char * text, const char * path, size32_t _lenDefault, const char * _default) { base->readQString(len, text, path, _lenDefault, _default); }
virtual void readString(size32_t len, char * text, const char * path, size32_t _lenDefault, const char * _default) { base->readString(len, text, path, _lenDefault, _default); }
virtual void readStringX(size32_t & len, char * & text, const char * path, size32_t _lenDefault, const char * _default) { base->readStringX(len, text, path, _lenDefault, _default); }
virtual void readUnicodeX(size32_t & len, UChar * & text, const char * path, size32_t _lenDefault, const UChar * _default) { base->readUnicodeX(len, text, path, _lenDefault, _default); }
virtual bool readIsSetAll(const char * path, bool _default) { return base->readIsSetAll(path, _default); }
virtual void readUtf8X(size32_t & len, char * & text, const char * path, size32_t _lenDefault, const char * _default) { base->readUtf8X(len, text, path, _lenDefault, _default); }
void setBase(IColumnProvider * _base) { base = _base; }
virtual void getDataRaw(size32_t len, void * text, const char * path) { base->getDataRaw(len, text, path); }
virtual void getDataRawX(size32_t & len, void * & text, const char * path) { base->getDataRawX(len, text, path); }
virtual void readDataRaw(size32_t len, void * text, const char * path, size32_t _lenDefault, const void * _default) { base->readDataRaw(len, text, path, _lenDefault, _default); }
virtual void readDataRawX(size32_t & len, void * & text, const char * path, size32_t _lenDefault, const void * _default) { base->readDataRawX(len, text, path, _lenDefault, _default); }
protected:
IColumnProvider * base;
private:
unsigned callLatencyMs;
};
//=================================================================================================
//Same as ColumnProvider, except returns data as hex64Binary instead of 16 bit hex
class ColumnProviderData64 : public ColumnProvider
{
public:
ColumnProviderData64(unsigned _callLatencyMs) : ColumnProvider(_callLatencyMs) {}
virtual void getData(size32_t len, void * text, const char * path) { ColumnProvider::getDataRaw(len, text, path); }
virtual void getDataX(size32_t & len, void * & text, const char * path) { ColumnProvider::getDataRawX(len, text, path); }
virtual void readData(size32_t len, void * text, const char * path, size32_t _lenDefault, const void * _default) { ColumnProvider::readDataRaw(len, text, path, _lenDefault, _default); }
virtual void readDataX(size32_t len, void * text, const char * path, size32_t _lenDefault, const void * _default) { ColumnProvider::readDataRawX(len, text, path, _lenDefault, _default); }
};
//=================================================================================================
IColumnProvider * CreateColumnProvider(unsigned _callLatencyMs, bool _encoding)
{
if (!_encoding)
return new ColumnProvider(_callLatencyMs);
else
return new ColumnProviderData64(_callLatencyMs);
}
//=================================================================================================
enum WSCType{STsoap, SThttp} ; //web service call type
//Web Services Call Asynchronous For
interface IWSCAsyncFor: public IInterface
{
virtual void processException(const Url &url, const void *row, IException *e) = 0;
virtual void processException(const Url &url, ConstPointerArray &inputRows, IException *e) = 0;
virtual void checkTimeLimitExceeded(unsigned * _remainingMS) = 0;
virtual void createHttpRequest(Url &url, StringBuffer &request) = 0;
virtual int readHttpResponse(StringBuffer &response, ISocket *socket) = 0;
virtual void processResponse(Url &url, StringBuffer &response, ColumnProvider * meta) = 0;
virtual StringBuffer getResponsePath() = 0;
virtual ConstPointerArray & getInputRows() = 0;
virtual IWSCHelper * getMaster() = 0;
virtual IEngineRowAllocator * getOutputAllocator() = 0;
virtual void For(unsigned num,unsigned maxatonce,bool abortFollowingException=false,bool shuffled=false) = 0;
virtual void Do(unsigned idx=0)=0;
};
class CWSCHelper;
IWSCAsyncFor * createWSCAsyncFor(CWSCHelper * _master, CommonXmlWriter &_xmlWriter, ConstPointerArray &_inputRows, XmlReaderOptions _options);
//=================================================================================================
class CMatchCB : public CInterface, implements IXMLSelect
{
IWSCAsyncFor &parent;
const Url &url;
StringAttr tail;
ColumnProvider * meta;
public:
IMPLEMENT_IINTERFACE;
CMatchCB(IWSCAsyncFor &_parent, const Url &_url, const char *_tail, ColumnProvider * _meta) : parent(_parent), url(_url), tail(_tail), meta(_meta)
{
}
virtual void match(IColumnProvider &entry, offset_t startOffset, offset_t endOffset)
{
Owned<IException> e;
if (tail.length())
{
StringBuffer path(parent.getResponsePath());
unsigned idx = (unsigned)entry.getInt(path.append("/@sequence").str());
Owned<IColumnProviderIterator> excIter = entry.getChildIterator("Exception");
IColumnProvider *excptEntry = excIter->first();
if (excptEntry)
{
int code = (int)excptEntry->getInt("Code");
size32_t len;
char *message;
excptEntry->getStringX(len, message, "Message");
StringBuffer mstr(len, message);
rtlFree(message);
DBGLOG("Roxie exception: %s", mstr.str());
e.setown(new ReceivedRoxieException(code, mstr.str()));
parent.processException(url, parent.getInputRows().item(idx), e.getLink());
}
}
if (parent.getMaster()->getRowTransformer() && !e)
{
IEngineRowAllocator * outputAllocator = parent.getOutputAllocator();
Owned<IColumnProviderIterator> iter = entry.getChildIterator(tail);
IColumnProvider *rowEntry = iter->first();
while (rowEntry)
{
RtlDynamicRowBuilder rowBuilder(outputAllocator);
size32_t sizeGot;
if(meta)
{
meta->setBase(rowEntry);
sizeGot = parent.getMaster()->transformRow(rowBuilder, meta);
}
else
{
sizeGot = parent.getMaster()->transformRow(rowBuilder, rowEntry);
}
if (sizeGot > 0)
parent.getMaster()->putRow(rowBuilder.finalizeRowClear(sizeGot));
rowEntry = iter->next();
}
}
}
};
//=================================================================================================
bool isValidHttpValue(char const * in)
{
for (const byte * ptr = (byte*)in; *ptr; ++ptr)
if (((*ptr <= '\x1F') && (*ptr != '\x09')) || (*ptr == '\x7F'))
return false;
return true;
}
//=================================================================================================
//Web Service Call helper thread
class CWSCHelperThread : public Thread
{
private:
CWSCHelper * master;
virtual void outputXmlRows(CommonXmlWriter &xmlWriter, ConstPointerArray &inputRows, const char *itemtag=NULL, bool encode_off=false, char const * itemns = NULL);
virtual void createESPQuery(CommonXmlWriter &xmlWriter, ConstPointerArray &inputRows);
virtual void createSOAPliteralOrEncodedQuery(CommonXmlWriter &xmlWriter, ConstPointerArray &inputRows);
virtual void createXmlSoapQuery(CommonXmlWriter &xmlWriter, ConstPointerArray &inputRows);
virtual void processQuery(ConstPointerArray &inputRows);
//Thread
virtual int run();
public:
CWSCHelperThread(CWSCHelper * _master) : Thread("CWSCHelperThread")
{
master = _master;
}
~CWSCHelperThread()
{
}
};
//=================================================================================================
class CWSCHelper : public CInterface, implements IWSCHelper
{
private:
QueueOf<const void, false> outputQ; // all access is protected by outputCrit
CriticalSection outputCrit, errorCrit, toXmlCrit, transformCrit, onfailCrit, timeoutCrit;
unsigned done;
InterruptableSemaphore resultAvailable;
bool complete;
Linked<ClientCertificate> clientCert;
static CriticalSection secureContextCrit;
static Owned<ISecureSocketContext> secureContext;
CTimeMon timeLimitMon;
bool timeLimitExceeded;
IRoxieAbortMonitor * roxieAbortMonitor;
protected:
CIArrayOf<CWSCHelperThread> threads;
WSCType wscType;
public:
CWSCHelper(IWSCRowProvider *_rowProvider, IEngineRowAllocator * _outputAllocator, const char *_authToken, WSCMode _wscMode, ClientCertificate *_clientCert, const IContextLogger &_logctx, IRoxieAbortMonitor *_roxieAbortMonitor, WSCType _wscType)
: logctx(_logctx), outputAllocator(_outputAllocator), clientCert(_clientCert), roxieAbortMonitor(_roxieAbortMonitor)
{
wscMode = _wscMode;
wscType = _wscType;
done = 0;
complete = aborted = timeLimitExceeded = false;
rowProvider = _rowProvider;
helper = rowProvider->queryActionHelper();
callHelper = rowProvider->queryCallHelper(); //MORE: This should not be done this way!! Should use extra as below.
helperExtra = static_cast<IHThorSoapCallExtra*>(helper->selectInterface(TAIsoapcallextra_1));
flags = helper->getFlags();
authToken.append(_authToken);
if (helper->numRetries() < 0)
maxRetries = 3; // default to 3 retries
else
maxRetries = helper->numRetries();
//Allow all of these options to be specified separately. Possibly useful, and the code is cleaner.
logMin = (flags & SOAPFlogmin) != 0;
logXML = (flags & SOAPFlog) != 0;
logUserMsg = (flags & SOAPFlogusermsg) != 0;
IHThorWebServiceCallExtra2 * helperExtra2 = static_cast<IHThorWebServiceCallExtra2*>(helper->selectInterface(TAIsoapcallextra_2));
if (helperExtra2)
{
double dval = helperExtra2->getTimeoutMS();//double, indicating seconds and nanoseconds.
if (dval == -1.0)//not provided
timeoutMS = 300*1000; // 300 second default
else if (dval == 0)
timeoutMS = WAIT_FOREVER;
else
timeoutMS = dval * 1000;
dval = helperExtra2->getTimeLimitMS();
if (dval <= 0.0)
timeLimitMS = WAIT_FOREVER;
else
timeLimitMS = dval * 1000;
}
else
{
timeoutMS = helper->getTimeout();//get timeout, in seconds
if (timeoutMS == (unsigned)-1)
timeoutMS = 300*1000; // 300 second default
else if (timeoutMS == 0)
timeoutMS = WAIT_FOREVER;
else
timeoutMS *= 1000;
timeLimitMS = helper->getTimeLimit();
if (timeLimitMS == 0 || timeLimitMS == (unsigned)-1)
timeLimitMS = WAIT_FOREVER; //default
else
timeLimitMS *= 1000;
}
if (wscType == STsoap)
{
soapaction.set(helper->querySoapAction());
if(soapaction.get() && !isValidHttpValue(soapaction.get()))
throw MakeStringException(-1, "SOAPAction value contained illegal characters: %s", soapaction.get());
httpHeaderName.set(helper->queryHttpHeaderName());
if(httpHeaderName.get() && !isValidHttpValue(httpHeaderName.get()))
throw MakeStringException(-1, "HTTPHEADER name contained illegal characters: %s", httpHeaderName.get());
httpHeaderValue.set(helper->queryHttpHeaderValue());
if(httpHeaderValue.get() && !isValidHttpValue(httpHeaderValue.get()))
throw MakeStringException(-1, "HTTPHEADER value contained illegal characters: %s", httpHeaderValue.get());
StringAttr proxyAddress;
proxyAddress.set(helper->queryProxyAddress());
if (!proxyAddress.isEmpty())
{
UrlListParser proxyUrlListParser(proxyAddress);
if (0 == proxyUrlListParser.getUrls(proxyUrlArray))
throw MakeStringException(0, "SOAPCALL PROXYADDRESS specified no URLs");
}
if ((flags & SOAPFliteral) && (flags & SOAPFencoding))
throw MakeStringException(0, "SOAPCALL 'LITERAL' and 'ENCODING' options are mutually exclusive");
header.set(helper->queryHeader());
footer.set(helper->queryFooter());
if(flags & SOAPFnamespace)
{
char const * ns = helper->queryNamespaceName();
if(ns && *ns)
xmlnamespace.set(ns);
}
}
if (wscType == SThttp)
{
//Check for unsupported flags
if ((flags & SOAPFliteral) || (flags & SOAPFencoding))
throw MakeStringException(0, "HTTPCALL 'LITERAL' and 'ENCODINGD' options not supported");
}
if (callHelper)
{
char const * ipath = callHelper->queryInputIteratorPath();
if(ipath && (*ipath == '/'))
++ipath;
inputpath.set(ipath);
}
service.set(helper->queryService());
service.trim();
if (wscType == SThttp)
{
service.toUpperCase(); //GET/PUT/POST
if (strcmp(service.str(), "GET"))
throw MakeStringException(0, "HTTPCALL Only 'GET' service supported");
acceptType.set(helper->queryAcceptType());// text/html, text/xml, etc
acceptType.trim();
acceptType.toLowerCase();
}
if(callHelper)
{
rowTransformer = callHelper->queryInputTransformer();
}
else
{
rowTransformer = NULL;
}
UrlListParser urlListParser(helper->queryHosts());
if ((numUrls = urlListParser.getUrls(urlArray)) > 0)
{
if (wscMode == SCrow)
{
numRowThreads = 1;
numUrlThreads = helper->numParallelThreads();
if (numUrlThreads == 0)
numUrlThreads = 1;
else if (numUrlThreads > MAXWSCTHREADS)
numUrlThreads = MAXWSCTHREADS;
numRecordsPerBatch = 1;
}
else
{
unsigned totThreads = helper->numParallelThreads();
if (totThreads < 1)
totThreads = 2; // default to 2 threads
else if (totThreads > MAXWSCTHREADS)
totThreads = MAXWSCTHREADS;
numUrlThreads = (numUrls < totThreads)? numUrls: totThreads;
numRowThreads = totThreads / numUrlThreads;
if (numRowThreads < 1)
numRowThreads = 1;
else if (numRowThreads > MAXWSCTHREADS)
numRowThreads = MAXWSCTHREADS;
numRecordsPerBatch = helper->numRecordsPerBatch();
if (numRecordsPerBatch < 1)
numRecordsPerBatch = 1;
}
}
else
throw MakeStringException(0, "%sCALL specified no URLs",wscType == STsoap ? "SOAP" : "HTTP");
for (unsigned i=0; i<numRowThreads; i++)
threads.append(*new CWSCHelperThread(this));
}
IMPLEMENT_IINTERFACE;
~CWSCHelper()
{
complete = true;
waitUntilDone();
threads.kill();
while (outputQ.ordinality())
outputAllocator->releaseRow(outputQ.dequeue());
}
void waitUntilDone()
{
ForEachItemIn(i,threads)
threads.item(i).join();
}
void start()
{
if (timeLimitMS != WAIT_FOREVER)
timeLimitMon.reset(timeLimitMS);
ForEachItemIn(i,threads)
threads.item(i).start();
}
void abort()
{
aborted = true;
complete = true;
resultAvailable.signal();
}
size32_t __deprecated__getRow(void *buffer)
{
const void * row = getRow();
if (row)
{
size32_t sizeGot = outputAllocator->queryOutputMeta()->getRecordSize(row);
memcpy(buffer, row, sizeGot);
outputAllocator->releaseRow(row);
return sizeGot;
}
return 0;
}
const void * getRow()
{
if (complete) return NULL;
loop
{
resultAvailable.wait();
if (aborted)
break;
{
CriticalBlock block(outputCrit);
if (outputQ.ordinality())
{
return outputQ.dequeue();
}
else if (done == numRowThreads)
{
complete = true;
if (error.get())
throw error.getLink();
break;
}
// should never get here
}
}
return NULL;
}
bool rowAvailable()
{
CriticalBlock block(outputCrit);
return (outputQ.ordinality() > 0);
}
bool queryDone()
{
CriticalBlock block(outputCrit);
return (done == numRowThreads);
}
IException * getError()
{
CriticalBlock block(errorCrit);
return error.getLink();
}
inline IEngineRowAllocator * queryOutputAllocator() const { return outputAllocator; }
ISecureSocket *createSecureSocket(ISocket *sock)
{
{
CriticalBlock b(secureContextCrit);
if (!secureContext)
{
if (clientCert != NULL)
secureContext.setown(createSecureSocketContextEx(clientCert->certificate, clientCert->privateKey, clientCert->passphrase, ClientSocket));
else
secureContext.setown(createSecureSocketContext(ClientSocket));
}
}
return secureContext->createSecureSocket(sock);
}
bool isTimeLimitExceeded(unsigned *_remainingMS)
{
if (timeLimitMS != WAIT_FOREVER)
{
CriticalBlock block(timeoutCrit);
if (timeLimitExceeded || timeLimitMon.timedout(_remainingMS))
{
timeLimitExceeded = true;
return true;
}