ULXR_API_IMPL(void) FileResource::open(bool do_read)
{
ULXR_TRACE(ULXR_PCHAR("FileResource::open ") << filename);
if (opened)
return;
reset();
if (do_read)
{
ULXR_TRACE(ULXR_PCHAR("FileResource::open do_read"));
#ifdef __unix__
if (0 == ulxr_access(getLatin1(getFilename()).c_str(), F_OK)) // file exists?
#else
if (0 == ulxr_access(getLatin1(getFilename()).c_str(), 0))
#endif
{
ulxr_FILE *ifs = ulxr_fopen (getLatin1(filename).c_str(), "rb");
char buffer [2000];
if (ifs != 0)
{
while (!ulxr_feof(ifs) && !error)
{
size_t readed = ulxr_fread(buffer, 1, sizeof(buffer), ifs);
if (ulxr_ferror(ifs))
error = true;
write(buffer, readed);
}
ulxr_fclose (ifs);
}
}
}
opened = true;
}
void Protocol::setConnection(Connection *conn)
{
ULXR_TRACE("getConnection");
pimpl->connection = conn;
pimpl->delete_connection = true;
ULXR_TRACE("/getConnection");
}
MethodResponse Dispatcher::dispatchCallLoc(const MethodCall &call) const
{
ULXR_TRACE("dispatchCallLoc: " << call.getMethodName());
MethodCallDescriptor desc(call);
MethodCallMap::const_iterator it;
if ((it = methodcalls.find(desc)) != methodcalls.end() )
{
MethodCall_t mc = (*it).second;
if (!(*it).first.isEnabled())
{
std::string s = "method \"";
s += desc.getSignature(true, false);
s += "\": currently unavailable.";
return MethodResponse (MethodNotFoundError, s);
}
else
{
if ((*it).first.calltype == CallSystem)
{
ULXR_TRACE("Now calling system function: " + (*it).first.getSignature(true, true));
(*it).first.incInvoked();
return mc.system_function(call, this);
}
else if ((*it).first.calltype == CallStatic)
{
ULXR_TRACE("Now calling static function: " + (*it).first.getSignature(true, true));
(*it).first.incInvoked();
return mc.static_function(call);
}
else if ((*it).first.calltype == CallDynamic)
{
ULXR_TRACE("Now calling dynamic function: " + (*it).first.getSignature(true, true));
(*it).first.incInvoked();
return mc.dynamic_function->call(call);
}
else
{
std::string s = "method \"";
s += desc.getSignature(true, false);
s += "\": internal problem to find method.";
return MethodResponse (MethodNotFoundError, s);
}
}
}
std::string s = "method \"";
s += desc.getSignature(true, false);
s += "\" unknown method and/or signature.";
return MethodResponse (MethodNotFoundError, s);
}
void Protocol::sendRpcCall(const MethodCall &call,
const std::string &/*resource*/)
{
ULXR_TRACE("sendRpcCall");
std::string xml = call.getXml(0)+"\n";
getConnection()->write(xml.c_str(), xml.length());
}
void Protocol::closeConnection()
{
ULXR_TRACE("closeConnection");
if (getConnection())
getConnection()->close();
// resetConnection();
}
bool Protocol::accept(int _timeout)
{
ULXR_TRACE("accept");
bool res = getConnection()->accept(_timeout);
resetConnection();
return res;
}
bool Protocol::isOpen() const
{
const Connection *conn = getConnection();
bool op = conn != 0 && conn->isOpen();
ULXR_TRACE("isOpen " << op);
return op;
}
ULXR_API_IMPL(ValueParserBase::ValueState *) ValueParser::getTopValueState() const
{
ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState() size: ") << states.size());
#ifdef DEBUG
ValueState *vs = dynamic_cast<ValueState*> (states.top()); // be careful about type
if (vs == 0)
{
ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(), top state: ") << (void*) states.top());
ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(): state <> ValueState"));
ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(): state == ") << ULXR_GET_STRING(typeid(states.top()).name()));
}
return vs;
#else
return reinterpret_cast<ValueParserBase::ValueState*> (states.top()); // dont care anymore
#endif
}
MethodResponse
Dispatcher::system_methodHelp(const MethodCall &calldata,
const Dispatcher *disp)
{
ULXR_TRACE("system_methodHelp");
if (calldata.numParams() != 1)
throw ParameterException(InvalidMethodParameterError,
"Exactly 1 parameter allowed for \"system.methodHelp\"");
if (calldata.getParam(0).getType() != RpcStrType)
throw ParameterException(InvalidMethodParameterError,
"Parameter 1 not of type \"String\" \"system.listMethods\"");
RpcString vs = calldata.getParam(0);
std::string name = vs.getString();
std::string s;
MethodCallMap::const_iterator it;
std::string s_prev;
for (it = disp->methodcalls.begin(); it != disp->methodcalls.end(); ++it)
if (name == (*it).first.method_name && (*it).first.documentation.length() != 0)
{
if ( s_prev != (*it).first.documentation
&& (*it).first.documentation.length() != 0)
{
if (s.length() != 0)
s = "* " +s + "\n* ";
s += (*it).first.documentation;
}
s_prev = (*it).first.documentation;
}
return MethodResponse (RpcString(s));
}
void Protocol::resetConnection()
{
ULXR_TRACE("resetConnection");
pimpl->connstate = ConnStart;
pimpl->remain_content_length = -1;
pimpl->content_length = -1;
}
MethodResponse
Dispatcher::system_listMethods(const MethodCall &calldata,
const Dispatcher *disp)
{
ULXR_TRACE("system_listMethods");
if (calldata.numParams() > 1)
throw ParameterException(InvalidMethodParameterError,
"At most 1 parameter allowed for \"system.listMethods\"");
if ( calldata.numParams() == 1
&& calldata.getParam(0).getType() != RpcStrType)
throw ParameterException(InvalidMethodParameterError,
"Parameter 1 not of type \"String\" \"system.listMethods\"");
// FIXME: what to do with param 1 if present ??
Array arr;
std::string m_prev;
MethodCallMap::const_iterator it;
for (it = disp->methodcalls.begin(); it != disp->methodcalls.end(); ++it)
if ( m_prev != (*it).first.method_name
&& (*it).first.method_name.length() != 0)
{
arr.addItem(RpcString((*it).first.method_name));
m_prev = (*it).first.method_name;
}
return MethodResponse (arr);
}
void Dispatcher::setupSystemMethods()
{
ULXR_TRACE("setupSystemMethods");
addMethod(&Dispatcher::xml_pretty_print,
"", "ulxmlrpcpp.pretty_print", "bool",
"Enable pretty-printed xml responses.");
//--
addMethod(&Dispatcher::system_listMethods,
"array", "system.listMethods", "",
"Lists all methods implemented by this server.");
addMethod( &Dispatcher::system_listMethods,
"array","system.listMethods", "string",
"Lists all methods implemented by this server (overloaded).");
addMethod( &Dispatcher::system_methodSignature,
"array", "system.methodSignature", "string",
"Returns an array of possible signatures for this method.");
addMethod(&Dispatcher::system_methodHelp,
"string", "system.methodHelp", "string",
"Returns a documentation string describing the use of this method.");
addMethod(&Dispatcher::system_getCapabilities,
"struct", "system.getCapabilities", "",
"Returns Structs describing available capabilities.");
}
ULXR_API_IMPL(void) FileResource::close()
{
ULXR_TRACE(ULXR_PCHAR("FileResource::close ") << filename);
if (!opened)
return;
// size_t written;
const std::string dat = data();
const unsigned len = dat.length();
ulxr_FILE *ifs = ulxr_fopen (getLatin1(filename).c_str(), "wb");
if (ifs != 0)
{
if (len != 0)
{
/* written = */ ulxr_fwrite(dat.data(), 1, len, ifs);
if (ulxr_ferror(ifs))
error = true;
}
ulxr_fclose (ifs);
}
else
error = true;
opened = false;
CachedResource::clear();
}
ULXR_API_IMPL(Cpp8BitString) HttpClient::msgPOST(
const Cpp8BitString &msg,
const CppString &type,
const CppString &resource)
{
ULXR_TRACE(ULXR_PCHAR("msgPOST"));
Cpp8BitString ret;
if (!protocol->isOpen() )
protocol->open();
sendAuthentication();
protocol->sendRequestHeader(ULXR_PCHAR("POST"), resource, type, msg.length());
protocol->writeBody(msg.data(), msg.length());
StringProcessor sp (ret);
receiveResponse(sp);
if (getHttpStatus() != 200)
throw ConnectionException(TransportError, getHttpPhrase(), getHttpStatus());
if (!protocol->isPersistent() )
protocol->close();
return ret;
}
std::string
Dispatcher::MethodCallDescriptor::getSignature(bool with_name,
bool with_return) const
{
ULXR_TRACE("getSignature");
std::string s;
std::string rs = return_signature;
if (rs.length() == 0)
rs = "void"; // emergency brake
std::string sig = signature;
if (sig.length() == 0)
sig = "void"; // emergency brake
if (with_return && with_name)
s = rs + " " + method_name + "(" + sig + ")";
else if (!with_return && with_name)
s = method_name + "(" + sig + ")";
else if (with_return && !with_name)
{
s = rs;
if (sig.length() != 0)
s += "," + sig;
}
else if (!with_return && !with_name)
s = sig;
return s;
}
ULXR_API_IMPL(void) HttpClient::setMessageAuthentication(const CppString &user,
const CppString &pass)
{
ULXR_TRACE(ULXR_PCHAR("setMessageAuthentication"));
http_user = user;
http_pass = pass;
}
ULXR_API_IMPL(void) HttpClient::receiveResponse(BodyProcessor &proc)
{
ULXR_TRACE(ULXR_PCHAR("receiveResponse"));
protocol->resetConnection();
char buffer[ULXR_RECV_BUFFER_SIZE];
char *buff_ptr;
bool done = false;
long readed;
while (!done && ((readed = protocol->readRaw(buffer, sizeof(buffer))) > 0) )
{
buff_ptr = buffer;
if (!protocol->hasBytesToRead())
done = true;
while (readed > 0)
{
Protocol::State state = protocol->connectionMachine(buff_ptr, readed);
if (state == Protocol::ConnError)
throw ConnectionException(TransportError,
ulxr_i18n(ULXR_PCHAR("network problem occured")), 500);
// switch to appropriate method when header is completely read
else if ( state == Protocol::ConnSwitchToBody
|| state == Protocol::ConnBody)
{
interpreteHttpHeader();
proc.process(buff_ptr, readed);
readed = 0;
}
}
}
}
long Protocol::readRaw(char *buff, long len)
{
ULXR_TRACE("readRaw, want: " << len);
if (pimpl->remain_content_length >= 0)
{
ULXR_TRACE("read 0 " << len << " " << getRemainingContentLength());
if (pimpl->remain_content_length < len)
len = pimpl->remain_content_length;
}
long myRead = getConnection()->read(buff, len);
if (pimpl->remain_content_length >= 0)
pimpl->remain_content_length -= myRead;
return myRead;
}
void
Protocol::addAuthentication(const std::string &user,
const std::string &pass,
const std::string &realm)
{
ULXR_TRACE("addAuthentication");
pimpl->authdata.push_back(AuthData(stripWS(user), stripWS(pass), stripWS(realm)));
}
Protocol::Protocol(Connection *conn)
: pimpl (new PImpl)
{
pimpl->connection = conn;
pimpl->delete_connection = false;
ULXR_TRACE("Protocol");
init();
}
Requester::call (const MethodCall& calldata, const CppString &rpc_root,
const CppString &user, const CppString &pass)
{
ULXR_TRACE(ULXR_PCHAR("call(..,user, pass)"));
protocol->setMessageAuthentication(user, pass);
send_call (calldata, rpc_root);
return waitForResponse();
}
bool
MethodResponseParser::testStartElement(const XML_Char* name, const XML_Char** /*atts*/)
{
ULXR_TRACE("MethodResponseParser::testStartElement(const XML_Char*, const char**)"
<< "\n name: "
<< name
);
switch(states.top()->getParserState() )
{
case eNone:
if(strcmp(name, "methodResponse") == 0)
{
setComplete (false);
states.push(new ValueState(eMethodResponse));
}
else
return false;
break;
case eMethodResponse:
if(strcmp(name, "fault") == 0)
states.push(new ValueState(eFault));
else if(strcmp(name, "params") == 0)
states.push(new ValueState(eParams));
else
return false;
break;
case eFault:
if(strcmp(name, "value") == 0)
states.push(new ValueState(eValue));
else
return false;
break;
case eParams:
if(strcmp(name, "param") == 0)
states.push(new ValueState(eParam));
else
return false;
break;
case eParam:
if(strcmp(name, "value") == 0)
states.push(new ValueState(eValue));
else
return false;
break;
default:
return false;
}
return true;
}
ULXR_API_IMPL(void) TcpIpConnection::open()
{
ULXR_TRACE(ULXR_PCHAR("open"));
if (isOpen() )
throw RuntimeException(ApplicationError,
ulxr_i18n(ULXR_PCHAR("Attempt to open an already open connection")));
if (pimpl->server_data != 0)
throw ConnectionException(SystemError,
ulxr_i18n(ULXR_PCHAR("Connection is NOT prepared for client mode")), 500);
// resetConnection();
setHandle(socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
if (getHandle() < 0)
throw ConnectionException(SystemError,
ulxr_i18n(ULXR_PCHAR("Could not create socket: "))
+ ULXR_GET_STRING(getErrorString(getLastError())), 500);
int iOptVal = getTimeout() * 1000;
int iOptLen = sizeof(int);
::setsockopt(getHandle(), SOL_SOCKET, SO_RCVTIMEO, (char*)&iOptVal, iOptLen);
::setsockopt(getHandle(), SOL_SOCKET, SO_SNDTIMEO, (char*)&iOptVal, iOptLen);
doTcpNoDelay();
if(connect(getHandle(), (struct sockaddr *)&pimpl->hostdata, sizeof(pimpl->hostdata)) < 0)
throw ConnectionException(SystemError,
ulxr_i18n(ULXR_PCHAR("Could not connect: "))
+ ULXR_GET_STRING(getErrorString(getLastError())), 500);
ULXR_TRACE(ULXR_PCHAR("/open.peername"));
#ifdef ULXR_ENABLE_GET_PEERNAME
pimpl->remotedata_len = sizeof(pimpl->remotedata);
if(getpeername(getHandle(),
(struct sockaddr *)&pimpl->remotedata,
&pimpl->remotedata_len)<0)
throw ConnectionException(SystemError,
ulxr_i18n(ULXR_PCHAR("Could not get peer data: "))
+ ULXR_GET_STRING(getErrorString(getLastError())), 500);
#ifdef __BORLANDC__
pimpl->remote_name = ULXR_PCHAR("<remote-host>"); // FIXME, not working
host = 0;
host;
#else
else
{
void free_dynamic_method (const Dispatcher::MethodCallMap::value_type &method)
{
if (method.first.getCallType() == Dispatcher::CallDynamic)
{
ULXR_TRACE("Now deleting dynamic function: " + method.first.getSignature(true, true));
delete method.second.dynamic_function;
const_cast<Dispatcher::MethodCallMap::value_type&>(method).second.dynamic_function = 0;
}
}
Protocol::~Protocol()
{
ULXR_TRACE("~Protocol");
if (pimpl->delete_connection)
delete pimpl->connection;
pimpl->connection = NULL;
delete pimpl;
pimpl = NULL;
}
ULXR_API_IMPL(void) HttpClient::interpreteHttpHeader()
{
ULXR_TRACE(ULXR_PCHAR("interpreteHttpHeader"));
head_version = ULXR_PCHAR("");
head_status = 500;
head_phrase = ULXR_PCHAR("Internal error");
protocol->splitHeaderLine(head_version, head_status, head_phrase);
protocol->setPersistent(!protocol->determineClosing(head_version));
}
unsigned Dispatcher::numMethods() const
{
ULXR_TRACE("numMethods");
unsigned i = 0;
MethodCallMap::const_iterator it;
for (it = methodcalls.begin(); it != methodcalls.end(); ++it)
++i;
return i;
}
Value ValueParserBase::getValue() const
{
ULXR_TRACE("ValueParserBase::getValue()");
Value *v = getTopValueState()->getValue();
if (v != 0)
return *v;
else
return Value(); // return ulxr::Void()
}
void ValueParserBase::ArrayState::takeValue(Value *v, bool del)
{
candel = del;
ULXR_TRACE("ValueParserBase::ArrayState::takeValue(Value *)");
if (value == 0)
value = new Value(Array());
value->getArray()->addItem(*v);
delete v;
}
ULXR_API_IMPL(void) TcpIpConnection::setProxy(const CppString &dom, unsigned port)
{
ULXR_TRACE(ULXR_PCHAR("setProxy ") << dom << ULXR_PCHAR(" ") << port);
struct hostent *hp = getHostAdress(dom);
if (hp == 0)
throw ConnectionException(SystemError,
ulxr_i18n(ULXR_PCHAR("Host adress for proxy not found: ")) + dom, 500);
memcpy(&(pimpl->hostdata.sin_addr), hp->h_addr_list[0], hp->h_length);
pimpl->hostdata.sin_port = htons(port);
}
