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sems/apps/xmlrpc2di/XMLRPC2DI.cpp

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/*
* Copyright (C) 2007 iptego GmbH
* Copyright (C) 2010-2011 Stefan Sayer
*
* This file is part of SEMS, a free SIP media server.
*
* SEMS is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* For a license to use the sems software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* SEMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "XMLRPC2DI.h"
#include "AmPlugIn.h"
#include "log.h"
#include "AmConfigReader.h"
#include "AmUtils.h"
#include "AmArg.h"
#include "AmSessionContainer.h"
#include "AmEventDispatcher.h"
#include "TOXmlRpcClient.h"
#include <exception>
#define MOD_NAME "xmlrpc2di"
#define XMLRPC_PORT "8090" // default port
EXPORT_PLUGIN_CLASS_FACTORY(XMLRPC2DI, MOD_NAME)
XMLRPC2DI* XMLRPC2DI::_instance=0;
// retry a failed server after 10 seconds
unsigned int XMLRPC2DI::ServerRetryAfter = 10;
bool XMLRPC2DI::DebugServerParams = false;
bool XMLRPC2DI::DebugServerResult = false;
double XMLRPC2DI::ServerTimeout = -1;
XMLRPC2DI* XMLRPC2DI::instance()
{
if(_instance == NULL){
_instance = new XMLRPC2DI(MOD_NAME);
}
return _instance;
}
XMLRPC2DI::XMLRPC2DI(const string& mod_name)
: AmDynInvokeFactory(mod_name), configured(false)
{
}
int XMLRPC2DI::onLoad() {
return instance()->load();
}
int XMLRPC2DI::load() {
if (configured) // load only once
return 0;
configured = true;
AmConfigReader cfg;
if(cfg.loadFile(AmConfig::ModConfigPath + string(MOD_NAME ".conf")))
return -1;
string multithreaded = cfg.getParameter("multithreaded", "yes");
DebugServerResult = cfg.getParameter("debug_server_result", "no") == "yes";
DebugServerParams = cfg.getParameter("debug_server_params", "no") == "yes";
XmlRpcServer* s;
bool multi_threaded = false;
unsigned int threads = 0;
if (multithreaded == "yes") {
multi_threaded = true;
if (!cfg.getParameter("threads").length())
threads = 5;
else
threads = cfg.getParameterInt("threads", 5);
DBG("Running multi-threaded XMLRPC server with %u threads\n", threads);
MultithreadXmlRpcServer* mt_s = new MultithreadXmlRpcServer();
mt_s->createThreads(threads);
s = mt_s;
} else {
DBG("Running single-threaded XMLRPC server\n");
s = new XmlRpcServer();
}
ServerRetryAfter = cfg.getParameterInt("server_retry_after", 10);
DBG("retrying failed server after %u seconds\n", ServerRetryAfter);
string server_timeout = cfg.getParameter("server_timeout");
if (!server_timeout.empty()) {
unsigned int server_timeout_i = 0;
if (str2i(server_timeout, server_timeout_i)) {
ERROR("could not understand server_timeout=%s\n",
server_timeout.c_str());
return -1;
}
if (server_timeout_i) {
ServerTimeout = (double)server_timeout_i/1000.0; // in millisec
}
}
string run_server = cfg.getParameter("run_server","yes");
if (run_server != "yes") {
DBG("XMLRPC server will not be started.\n");
return 0;
}
string bind_ip = cfg.getParameter("server_ip");
if (bind_ip.empty()) {
DBG("binding on ANY interface\n");
} else {
bind_ip = fixIface2IP(bind_ip, false);
}
string conf_xmlrpc_port = cfg.getParameter("xmlrpc_port",XMLRPC_PORT);
if (conf_xmlrpc_port.empty()) {
ERROR("configuration: xmlrpc_port must be defined!\n");
return -1;
}
if (str2i(conf_xmlrpc_port, XMLRPCPort)) {
ERROR("configuration: unable to decode xmlrpc_port value '%s'!\n",
conf_xmlrpc_port.c_str());
return -1;
}
bool export_di = false;
string direct_export = cfg.getParameter("direct_export","");
if (direct_export.length()) {
DBG("direct_export interfaces: %s\n", direct_export.c_str());
} else {
DBG("No direct_export interfaces.\n");
}
string export_di_s = cfg.getParameter("export_di","yes");
if (export_di_s == "yes") {
export_di = true;
}
INFO("XMLRPC Server: %snabling builtin method 'di'.\n", export_di?"E":"Not e");
server = new XMLRPC2DIServer(XMLRPCPort, bind_ip, export_di, direct_export, s);
if (!server->initialize()) {
return -1;
}
server->start();
server->waitUntilStarted();
return 0;
}
XMLRPCServerEntry::XMLRPCServerEntry(string s, int p, string u)
: last_try(0), active(true), server(s), port(p), uri(u)
{ }
XMLRPCServerEntry::~XMLRPCServerEntry()
{ }
bool XMLRPCServerEntry::is_active() {
if (!active &&
((unsigned int)(last_try + XMLRPC2DI::ServerRetryAfter)
< (unsigned int)time(NULL)))
active = true;
return active;
}
void XMLRPCServerEntry::set_failed() {
active = false;
time(&last_try);
}
void XMLRPC2DI::newConnection(const AmArg& args, AmArg& ret) {
string app_name = args.get(0).asCStr();
string server_name = args.get(1).asCStr();
int port = args.get(2).asInt();
string uri = args.get(3).asCStr();
DBG("adding XMLRPC server http://%s:%d%s for application '%s'\n",
server_name.c_str(), port, uri.c_str(), app_name.c_str());
XMLRPCServerEntry* sc = new XMLRPCServerEntry(server_name, port, uri);
server_mut.lock();
servers.insert(std::make_pair(app_name, sc));
server_mut.unlock();
}
XMLRPCServerEntry* XMLRPC2DI::getServer(const string& app_name) {
vector<XMLRPCServerEntry*> scs;
server_mut.lock();
for (multimap<string, XMLRPCServerEntry*>::iterator it=
servers.lower_bound(app_name);
it != servers.upper_bound(app_name); it++) {
if (it->second->is_active())
scs.push_back(it->second);
}
server_mut.unlock();
DBG("found %zd active connections for application %s\n",
scs.size(), app_name.c_str());
if (scs.empty()) {
// no connections found
return NULL;
}
// select one connection randomly
return scs[random() % scs.size()];
}
void XMLRPC2DI::sendRequest(const AmArg& args, AmArg& ret) {
string app_name = args.get(0).asCStr();
string method = args.get(1).asCStr();
AmArg& params = args.get(2);
while (true) {
XMLRPCServerEntry* srv = getServer(app_name);
if (NULL == srv) {
ret.push(-1);
ret.push("no active connections");
return;
}
TOXmlRpcClient c((const char*)srv->server.c_str(), (int)srv->port,
(const char*)srv->uri.empty()?NULL:srv->uri.c_str()
#ifdef HAVE_XMLRPCPP_SSL
, false
#endif
);
XmlRpcValue x_args, x_result;
XMLRPC2DIServer::amarg2xmlrpcval(params, x_args);
if (c.execute(method.c_str(), x_args, x_result, XMLRPC2DI::ServerTimeout) && !c.isFault()) {
DBG("successfully executed method %s on server %s:%d\n",
method.c_str(), srv->server.c_str(), srv->port);
ret.push(0);
ret.push("OK");
ret.assertArray(3);
XMLRPC2DIServer::xmlrpcval2amarg(x_result, ret[2]);
return;
} else {
DBG("executing method %s failed on server %s:%d\n",
method.c_str(), srv->server.c_str(), srv->port);
srv->set_failed();
}
}
}
void XMLRPC2DI::sendRequestList(const AmArg& args, AmArg& ret) {
string app_name = args.get(0).asCStr();
string method = args.get(1).asCStr();
while (true) {
XMLRPCServerEntry* srv = getServer(app_name);
if (NULL == srv) {
ret.push(-1);
ret.push("no active connections");
return;
}
TOXmlRpcClient c((const char*)srv->server.c_str(), (int)srv->port,
(const char*)srv->uri.empty()?NULL:srv->uri.c_str()
#ifdef HAVE_XMLRPCPP_SSL
, false
#endif
);
XmlRpcValue x_args, x_result;
x_args.setSize(args.size()-2);
for (size_t i=2;i<args.size();i++) {
XMLRPC2DIServer::amarg2xmlrpcval(args.get(i), x_args[i-2]);
}
if (c.execute(method.c_str(), x_args, x_result, XMLRPC2DI::ServerTimeout) && !c.isFault()) {
DBG("successfully executed method %s on server %s:%d\n",
method.c_str(), srv->server.c_str(), srv->port);
ret.push(0);
ret.push("OK");
XMLRPC2DIServer::xmlrpcval2amarg(x_result, ret);
return;
} else {
DBG("executing method %s failed on server %s:%d\n",
method.c_str(), srv->server.c_str(), srv->port);
srv->set_failed();
}
}
}
void XMLRPC2DI::invoke(const string& method,
const AmArg& args, AmArg& ret) {
if(method == "newConnection"){
args.assertArrayFmt("ssis"); // app, server, port, uri
newConnection(args, ret);
} else if(method == "sendRequest"){
args.assertArrayFmt("ssa"); // app, method, args
sendRequest(args, ret);
} else if(method == "sendRequestList"){
args.assertArrayFmt("ss"); // app, method, ...
sendRequestList(args, ret);
} else if(method == "_list"){
ret.push(AmArg("newConnection"));
ret.push(AmArg("sendRequest"));
ret.push(AmArg("sendRequestList"));
} else
throw AmDynInvoke::NotImplemented(method);
}
// XMLRPC server functions
XMLRPC2DIServer::XMLRPC2DIServer(unsigned int port,
const string& bind_ip,
bool di_export,
string direct_export,
XmlRpcServer* s)
: AmEventQueue(this),
port(port),
bind_ip(bind_ip),
s(s), running(false),
// register method 'calls'
calls_method(s),
// register method 'set_loglevel'
setloglevel_method(s),
// register method 'get_loglevel'
getloglevel_method(s),
// register method 'set_shutdownmode'
setshutdownmode_method(s),
// register method 'get_shutdownmode'
getshutdownmode_method(s),
getcallsavg_method(s),
getcallsmax_method(s),
getcpsavg_method(s),
getcpsmax_method(s),
getcpslimit_method(s),
setcpslimit_method(s)
{
INFO("XMLRPC Server: enabled builtin method 'calls'\n");
INFO("XMLRPC Server: enabled builtin method 'get_loglevel'\n");
INFO("XMLRPC Server: enabled builtin method 'set_loglevel'\n");
INFO("XMLRPC Server: enabled builtin method 'get_shutdownmode'\n");
INFO("XMLRPC Server: enabled builtin method 'set_shutdownmode'\n");
INFO("XMLRPC Server: enabled builtin method 'get_callsavg'\n");
INFO("XMLRPC Server: enabled builtin method 'get_callsmax'\n");
INFO("XMLRPC Server: enabled builtin method 'get_cpsavg'\n");
INFO("XMLRPC Server: enabled builtin method 'get_cpsmax'\n");
INFO("XMLRPC Server: enabled builtin method 'get_cpslimit'\n");
INFO("XMLRPC Server: enabled builtin method 'set_cpslimit'\n");
// export all methods via 'di' function?
if (di_export) {
// register method 'di'
di_method = new XMLRPC2DIServerDIMethod(s);
}
vector<string> export_ifaces = explode(direct_export, ";");
for(vector<string>::iterator it=export_ifaces.begin();
it != export_ifaces.end(); it++) {
registerMethods(*it);
}
INFO("Initialized XMLRPC2DIServer with: \n");
INFO(" IP = %s port = %u\n",
bind_ip.empty()?"ANY":bind_ip.c_str(), port);
}
/** register all methods on xmlrpc server listed by the iface
* in _list function
*/
void XMLRPC2DIServer::registerMethods(const std::string& iface) {
try {
AmDynInvokeFactory* di_f = AmPlugIn::instance()->getFactory4Di(iface);
if(NULL == di_f){
ERROR("DI interface '%s' could not be found. Missing load_plugins?\n",
iface.c_str());
return;
}
AmDynInvoke* di = di_f->getInstance();
if(NULL == di){
ERROR("could not get DI instance from '%s'.\n",
iface.c_str());
return;
}
AmArg dummy, fct_list;
di->invoke("_list", dummy, fct_list);
for (unsigned int i=0;i<fct_list.size();i++) {
string method = fct_list.get(i).asCStr();
// see whether method already registered
bool has_method = (NULL != s->findMethod(method));
if (has_method) {
ERROR("name conflict for method '%s' from interface '%s', "
"method already exported!\n",
method.c_str(), iface.c_str());
ERROR("This method will be exported only as '%s.%s'\n",
iface.c_str(), method.c_str());
}
if (!has_method) {
INFO("XMLRPC Server: enabling method '%s'\n",
method.c_str());
DIMethodProxy* mp = new DIMethodProxy(method, method, di_f);
s->addMethod(mp);
}
INFO("XMLRPC Server: enabling method '%s.%s'\n",
iface.c_str(), method.c_str());
DIMethodProxy* mp = new DIMethodProxy(iface + "." + method,
method, di_f);
s->addMethod(mp);
}
} catch (AmDynInvoke::NotImplemented& e) {
ERROR("Not implemented in interface '%s': '%s'\n",
iface.c_str(), e.what.c_str());
} catch (const AmArg::OutOfBoundsException& e) {
ERROR("Out of bounds exception occured while exporting interface '%s'\n",
iface.c_str());
} catch (...) {
ERROR("Unknown exception occured while exporting interface '%s'\n",
iface.c_str());
}
}
bool XMLRPC2DIServer::initialize() {
DBG("Binding XMLRPC2DIServer to port %u \n", port);
if (!s->bindAndListen(port, bind_ip)) {
ERROR("Binding XMLRPC2DIServer to %s:%u\n", bind_ip.c_str(), port);
return false;
}
return true;
}
void XMLRPC2DIServer::run() {
// register us as SIP event receiver for MOD_NAME
AmEventDispatcher::instance()->addEventQueue(MOD_NAME, this);
DBG("starting XMLRPC2DIServer...\n");
running.set(true);
do {
s->work(DEF_XMLRPCSERVER_WORK_INTERVAL);
processEvents();
}
while(running.get());
AmEventDispatcher::instance()->delEventQueue(MOD_NAME);
DBG("Exiting XMLRPC2DIServer.\n");
}
void XMLRPC2DIServer::process(AmEvent* ev) {
if (ev->event_id == E_SYSTEM) {
AmSystemEvent* sys_ev = dynamic_cast<AmSystemEvent*>(ev);
if(sys_ev){
DBG("XMLRPC2DIServer received system Event\n");
if (sys_ev->sys_event == AmSystemEvent::ServerShutdown) {
DBG("XMLRPC2DIServer received system Event: ServerShutdown, "
"stopping thread\n");
running.set(false);
}
return;
}
}
WARN("unknown event received\n");
}
void XMLRPC2DIServer::on_stop() {
DBG("on_stop().\n");
running.set(false);
}
void XMLRPC2DIServerCallsMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
int res = AmSession::getSessionNum();
DBG("XMLRPC2DI: calls = %d\n", res);
result = res;
}
void XMLRPC2DIServerGetLoglevelMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
int res = log_level;
DBG("XMLRPC2DI: get_loglevel returns %d\n", res);
result = res;
}
void XMLRPC2DIServerSetLoglevelMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
log_level = params[0];
DBG("XMLRPC2DI: set log level to %d.\n", (int)params[0]);
result = "200 OK";
}
void XMLRPC2DIServerGetShutdownmodeMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
DBG("XMLRPC2DI: get_shutdownmode returns %s\n", AmConfig::ShutdownMode?"true":"false");
result = (bool)AmConfig::ShutdownMode;
}
void XMLRPC2DIServerSetShutdownmodeMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
AmConfig::ShutdownMode = params[0];
DBG("XMLRPC2DI: set shutdownmode to %s.\n", AmConfig::ShutdownMode?"true":"false");
result = "200 OK";
}
void XMLRPC2DIServerGetCPSLimitMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
pair<unsigned int, unsigned int> l = AmSessionContainer::instance()->getCPSLimit();
DBG("XMLRPC2DI: get_cpslimit returns %d and %d\n", l.first, l.second);
result = int2str(l.first) + " " + int2str(l.second);
}
void XMLRPC2DIServerSetCPSLimitMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
AmSessionContainer::instance()->setCPSLimit((int)params[0]);
DBG("XMLRPC2DI: set cpslimit to %u.\n",
AmSessionContainer::instance()->getCPSLimit().first);
result = "200 OK";
}
void XMLRPC2DIServerGetCpsavgMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
int l = AmSessionContainer::instance()->getAvgCPS();
DBG("XMLRPC2DI: get_cpsavg returns %d\n", l);
result = l;
}
void XMLRPC2DIServerGetCpsmaxMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
int l = AmSessionContainer::instance()->getMaxCPS();
DBG("XMLRPC2DI: get_cpsmax returns %d\n", l);
result = l;
}
#define XMLMETH_EXEC(_meth, _sess_func, _descr) \
void _meth::execute(XmlRpcValue& params, XmlRpcValue& result) { \
unsigned int res = AmSession::_sess_func(); \
result = (int)res; \
DBG("XMLRPC2DI: " _descr "(): %u\n", res); \
}
XMLMETH_EXEC(XMLRPC2DIServerGetCallsavgMethod, getAvgSessionNum, "get_callsavg");
XMLMETH_EXEC(XMLRPC2DIServerGetCallsmaxMethod, getMaxSessionNum, "get_callsmax");
#undef XMLMETH_EXEC
void XMLRPC2DIServerDIMethod::execute(XmlRpcValue& params, XmlRpcValue& result) {
try {
if (params.size() < 2) {
DBG("XMLRPC2DI: ERROR: need at least factory name"
" and function name to call\n");
throw XmlRpcException("need at least factory name"
" and function name to call", 400);
}
string fact_name = params[0];
string fct_name = params[1];
DBG("XMLRPC2DI: factory '%s' function '%s'\n",
fact_name.c_str(), fct_name.c_str());
// get args
AmArg args;
XMLRPC2DIServer::xmlrpcval2amargarray(params, args, 2);
if (XMLRPC2DI::DebugServerParams) {
DBG(" params: <%s>\n", AmArg::print(args).c_str());
}
AmDynInvokeFactory* di_f = AmPlugIn::instance()->getFactory4Di(fact_name);
if(!di_f){
throw XmlRpcException("could not get factory", 500);
}
AmDynInvoke* di = di_f->getInstance();
if(!di){
throw XmlRpcException("could not get instance from factory", 500);
}
AmArg ret;
di->invoke(fct_name, args, ret);
if (XMLRPC2DI::DebugServerResult) {
DBG(" result: <%s>\n", AmArg::print(ret).c_str());
}
XMLRPC2DIServer::amarg2xmlrpcval(ret, result);
} catch (const XmlRpcException& e) {
throw;
} catch (const AmDynInvoke::NotImplemented& e) {
throw XmlRpcException("Exception: AmDynInvoke::NotImplemented: "
+ e.what, 504);
} catch (const AmArg::OutOfBoundsException& e) {
throw XmlRpcException("Exception: AmArg out of bounds - parameter number mismatch.", 300);
} catch (const AmArg::TypeMismatchException& e) {
throw XmlRpcException("Exception: Type mismatch in arguments.", 300);
} catch (const string& e) {
throw XmlRpcException("Exception: "+e, 500);
} catch (const std::exception& e) {
throw XmlRpcException("Exception: " + string(e.what()), 500);
} catch (...) {
throw XmlRpcException("Exception occured.", 500);
}
}
void XMLRPC2DIServer::xmlrpcval2amargarray(XmlRpcValue& v, AmArg& a,
unsigned int start_index) {
if (v.valid()) {
a.assertArray();
size_t a_array_pos = a.size();
for (int i=start_index; i<v.size();i++) {
xmlrpcval2amarg(v[i], a[a_array_pos]);
a_array_pos++;
}
}
}
void XMLRPC2DIServer::xmlrpcval2amarg(XmlRpcValue& v, AmArg& a) {
if (v.valid()) {
switch (v.getType()) {
case XmlRpcValue::TypeInt: { /* DBG("X->A INT\n"); */ a = (int)v; } break;
case XmlRpcValue::TypeDouble:{ /* DBG("X->A DBL\n"); */ a = (double)v; } break;
case XmlRpcValue::TypeString:{ /* DBG("X->A STR\n"); */ a = ((string)v).c_str(); } break;
case XmlRpcValue::TypeBoolean : { /* DBG("X->A BOL\n"); */ a = (bool)v; } break;
case XmlRpcValue::TypeInvalid : { /* DBG("X->A Inv\n"); */ a = AmArg(); } break;
case XmlRpcValue::TypeArray: {
// DBG("X->A ARR\n");
a.assertArray();
xmlrpcval2amargarray(v, a, 0);
} break;
#ifdef XMLRPCPP_SUPPORT_STRUCT_ACCESS
case XmlRpcValue::TypeStruct: {
// DBG("X->A STR\n");
a.assertStruct();
const XmlRpc::XmlRpcValue::ValueStruct& xvs =
(XmlRpc::XmlRpcValue::ValueStruct)v;
for (XmlRpc::XmlRpcValue::ValueStruct::const_iterator it=
xvs.begin(); it != xvs.end(); it++) {
// not nice but cast operators in XmlRpcValue are not const
XmlRpcValue& var = const_cast<XmlRpcValue&>(it->second);
a[it->first] = AmArg();
xmlrpcval2amarg(var, a[it->first]);
}
} break;
#endif
// TODO: support more types (datetime, struct, ...)
default: throw XmlRpcException("unsupported parameter type", 400);
};
}
}
void XMLRPC2DIServer::amarg2xmlrpcval(const AmArg& a,
XmlRpcValue& result) {
switch (a.getType()) {
case AmArg::Undef:
result = 0; // XmlRpcValue();
break;
case AmArg::Bool:
result = a.asBool();
break;
case AmArg::CStr:
// DBG("a->X CSTR\n");
result = string(a.asCStr()); break;
case AmArg::Int:
// DBG("a->X INT\n");
result=a.asInt(); break;
case AmArg::Double:
// DBG("a->X DOUBLE\n");
result=a.asDouble(); break;
case AmArg::Array:
// DBG("a->X ARRAY size %u\n", a.size());
result.setSize(a.size());
for (size_t i=0;i<a.size();i++) {
// duh... recursion...
amarg2xmlrpcval(a.get(i), result[i]);
}
break;
case AmArg::Struct:
// DBG("a->X STRUCT size %u\n", a.size());
for (AmArg::ValueStruct::const_iterator it =
a.begin(); it != a.end(); it++) {
// duh... recursion...
amarg2xmlrpcval(it->second, result[it->first]);
}
break;
default: { WARN("unsupported return value type %d\n", a.getType()); } break;
// TODO: do sth with the data here ?
}
}
DIMethodProxy::DIMethodProxy(std::string const &server_method_name,
std::string const &di_method_name,
AmDynInvokeFactory* di_factory)
: server_method_name(server_method_name),
di_method_name(di_method_name),
di_factory(di_factory),
XmlRpcServerMethod(server_method_name)
{ }
void DIMethodProxy::execute(XmlRpcValue& params,
XmlRpcValue& result) {
try {
if (NULL == di_factory) {
throw XmlRpcException("could not get DI factory", 500);
}
AmDynInvoke* di = di_factory->getInstance();
if(NULL == di){
throw XmlRpcException("could not get instance from factory", 500);
}
AmArg args, ret;
DBG("XMLRPC2DI '%s': function '%s'\n",
server_method_name.c_str(),
di_method_name.c_str());
XMLRPC2DIServer::xmlrpcval2amarg(params, args);
if (XMLRPC2DI::DebugServerParams) {
DBG(" params: <%s>\n", AmArg::print(args).c_str());
}
di->invoke(di_method_name, args, ret);
if (XMLRPC2DI::DebugServerResult) {
DBG(" result: <%s>\n", AmArg::print(ret).c_str());
}
XMLRPC2DIServer::amarg2xmlrpcval(ret, result);
} catch (const XmlRpcException& e) {
throw;
} catch (const AmDynInvoke::NotImplemented& e) {
throw XmlRpcException("Exception: AmDynInvoke::NotImplemented: "
+ e.what, 504);
} catch (const AmArg::OutOfBoundsException& e) {
throw XmlRpcException("Exception: AmArg out of bounds - parameter number mismatch.", 300);
} catch (const AmArg::TypeMismatchException& e) {
throw XmlRpcException("Exception: Type mismatch in arguments.", 300);
} catch (const string& e) {
throw XmlRpcException("Exception: "+e, 500);
} catch (const std::exception& e) {
throw XmlRpcException("Exception: " + string(e.what()), 500);
} catch (...) {
throw XmlRpcException("Exception occured.", 500);
}
}