DynamicObject ValidatorContext::addError(
const char* type, DynamicObject* object)
{
DynamicObject errorDetail;
// setup error detail
errorDetail["type"] = type;
// FIXME: localize message -- lehn
// FIXME: really? do we need to mention this, because we'd have to
// do this for every string in the system.. -- manu
errorDetail["message"] = "The given value does not meet all of the data "
"validation requirements. Please examine the error details for more "
"information about the specific requirements.";
if(object != NULL && (mMaskType & ValidatorContext::MaskInvalidValues) == 0)
{
errorDetail["invalidValue"] = *object;
}
// add error detail to results errors
std::string fullpath = getPath();
mResults["errors"][fullpath.c_str()] = errorDetail;
// Skip setting exceptions if requested. Return errorDetail regardless.
if(mSetExceptions)
{
ExceptionRef e;
if(!Exception::isSet())
{
e = new Exception(
"The given object does not meet all of the data validation "
"requirements. Please examine the error details for more "
"information about the specific requirements.",
"monarch.validation.ValidationError");
Exception::set(e);
}
else
{
e = Exception::get();
// Check if we are adding to a ValidationError
if(!e->isType("monarch.validation.ValidationError"))
{
// FIXME: this is a bit bogus. If validation checking keeps causing
// other exceptions then a long cause chain could be generated
// switching between ValidationError and other types.
e = new Exception(
"The given object does not meet all of the data validation "
"requirements. Please examine the error details for more "
"information about the specific requirements.",
"monarch.validation.ValidationError");
Exception::push(e);
}
}
// add detail to "errors" section of exception details
e->getDetails()["errors"][fullpath.c_str()] = errorDetail;
}
return errorDetail;
}
ExceptionRef Exception::getExceptionOfType(
ExceptionRef& e, const char* type, bool startsWith)
{
ExceptionRef rval(NULL);
if(e->isType(type, startsWith))
{
rval = e;
}
else
{
rval = e->getCauseOfType(type, startsWith);
}
return rval;
}
int DeviceDiscoverer::discover(
DeviceList& devices, const char* searchTarget, uint32_t timeout, int count)
{
int rval = -1;
// prepare device list
devices->setType(Array);
devices->clear();
// create SSDP request
HttpRequestHeader requestHeader;
createRequest(searchTarget, &requestHeader);
// create socket for sending request
DatagramSocket socket;
// bind to any available port
InternetAddressRef localAddr = new InternetAddress("0.0.0.0", 0);
if(socket.bind(&(*localAddr)))
{
// create the group address
InternetAddressRef groupAddr = new InternetAddress(
SSDP_MULTICAST_ADDRESS, SSDP_MULTICAST_PORT);
// create and send discover request datagram
DatagramRef request = new Datagram(groupAddr);
request->assignString(requestHeader.toString().c_str());
MO_CAT_DEBUG(MO_UPNP_CAT, "Sending UPnP request:\n%s",
requestHeader.toString().c_str());
if(socket.send(request))
{
// no devices yet
rval = 0;
// use timer to comply with user-supplied timeout
Timer timer;
timer.start();
uint32_t remaining = timeout;
InternetAddressRef addr = new InternetAddress();
while(rval >= 0 && remaining > 0 && (count == 0 || rval < count))
{
// set receive timeout and try to get ssdp responses
socket.setReceiveTimeout(remaining);
DatagramRef response = new Datagram(addr);
response->getBuffer()->resize(2048);
if(!socket.receive(response))
{
// check last exception
ExceptionRef e = Exception::get();
if(e->isType("monarch.net.SocketTimeout"))
{
MO_CAT_DEBUG(MO_UPNP_CAT, "UPnP request timed out.");
// exception indicates timed out
remaining = 0;
}
else
{
MO_CAT_ERROR(MO_UPNP_CAT,
"UPnP request error: %s",
JsonWriter::writeToString(
Exception::getAsDynamicObject()).c_str());
// some error other than a timeout
rval = -1;
}
}
else
{
// parse ssdp response
MO_CAT_DEBUG(MO_UPNP_CAT, "Received UPnP response:\n%s",
response->getString().c_str());
Device device = parseDevice(response->getString().c_str());
if(device.isNull())
{
MO_CAT_ERROR(MO_UPNP_CAT,
"UPnP response parse error: %s",
JsonWriter::writeToString(
Exception::getAsDynamicObject()).c_str());
// error in parsing
rval = -1;
}
else
{
MO_CAT_DEBUG(MO_UPNP_CAT,
"Found UPnP device: %s",
JsonWriter::writeToString(device).c_str());
// another device found
++rval;
devices->append(device);
// update remaining time (must be within 32-bit integer range)
remaining = (uint32_t)timer.getRemainingMilliseconds(timeout);
}
}
}
}
}
return rval;
}
void ListingUpdater::sendUpdate(SellerListingUpdate& update)
{
MO_CAT_DEBUG(BM_CUSTOMCATALOG_CAT,
"ListingUpdater sending seller listing update for user %" PRIu64 ": %s",
getUserId(), JsonWriter::writeToString(update).c_str());
// create message to send after update
DynamicObject msg;
msg["updateResponse"] = true;
msg["scheduleUpdateRequest"] = false;
msg["error"] = false;
// post to bitmunk
DynamicObject result;
Url url("/api/3.0/catalog/listings");
Messenger* m = mNode->getMessenger();
if(m->postSecureToBitmunk(&url, &update, &result, getUserId()))
{
// send result in message, include update ID separately so that
// handling heartbeats above is simpler -- it doesn't matter if
// the current update ID was valid or not, it will be stored in
// "updateId" field
msg["update"] = update;
msg["updateResult"] = result;
msg["updateId"] = result["updateId"]->getString();
// if the update wasn't a heartbeat, include a note that another
// update should be run immediately after this result is processed
if(update["payeeSchemes"]["updates"]->length() > 0 ||
update["payeeSchemes"]["removals"]->length() > 0 ||
update["listings"]["updates"]->length() > 0 ||
update["listings"]["removals"]->length() > 0)
{
msg["scheduleUpdateRequest"] = true;
}
}
else
{
// if the error was an invalid update ID, do not record it as an error
// and see if we can recover from it
ExceptionRef ex = Exception::get();
if(ex->isType("bitmunk.mastercatalog.UpdateIdNotCurrent"))
{
msg["updateIdNotCurrent"] = true;
msg["updateId"] = ex->getDetails()["currentUpdateId"]->getString();
}
else
{
// FIXME: determine if error is a network error or if there
// were just some bad wares that weren't accepted/bad remote update ID
// failed to update
ExceptionRef e = new Exception(
"Could not send seller listing update.",
"bitmunk.catalog.SellerListingUpdateError");
Exception::push(e);
DynamicObject d = Exception::getAsDynamicObject();
msg["error"] = true;
msg["exception"] = d;
// see if we need to register for a new server ID because our catalog
// expired and we no longer exist as a seller
// FIXME: we want a different exception name for this
if(ex->hasType("bitmunk.database.NotFound") ||
ex->hasType("bitmunk.database.Catalog.InvalidServerToken"))
{
// log message ... do new server registration
MO_CAT_DEBUG(BM_CUSTOMCATALOG_CAT,
"ListingUpdater user's (user ID %" PRIu64
") seller does not exist, "
"has expired, or server token is invalid: %s",
getUserId(), JsonWriter::writeToString(d).c_str());
msg["reset"] = true;
}
else
{
// log generic error
MO_CAT_ERROR(BM_CUSTOMCATALOG_CAT,
"ListingUpdater: %s", JsonWriter::writeToString(d).c_str());
}
}
}
// send message to self
messageSelf(msg);
// schedule a pending test net access request
if(mTestNetAccessPending)
{
mTestNetAccessPending = false;
DynamicObject msg;
msg["testNetAccess"] = true;
messageSelf(msg);
}
}
void HttpConnectionServicer::serviceConnection(Connection* c)
{
// wrap connection, set default timeouts to 30 seconds
HttpConnection hc(c, false);
hc.setReadTimeout(30000);
hc.setWriteTimeout(30000);
// monitor connection
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->beforeServicingConnection(&hc);
}
// create request
HttpRequest* request = hc.createRequest();
HttpRequestHeader* reqHeader = request->getHeader();
// create response
HttpResponse* response = request->createResponse();
HttpResponseHeader* resHeader = response->getHeader();
// handle keep-alive (HTTP/1.1 keep-alive is on by default)
bool keepAlive = true;
bool noerror = true;
while(keepAlive && noerror)
{
// set defaults
resHeader->setVersion("HTTP/1.1");
resHeader->setDate();
resHeader->setField("Server", mServerName);
// monitor request waiting
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->beforeRequest(&hc);
}
// receive request header
if((noerror = request->receiveHeader()))
{
// begin new request state
hc.getRequestState()->beginRequest();
// monitor received request
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->beforeServicingRequest(
&hc, request, response);
}
// do request modification
if(mRequestModifier != NULL)
{
mRequestModifier->modifyRequest(request);
}
// check http version
bool version10 = (strcmp(reqHeader->getVersion(), "HTTP/1.0") == 0);
bool version11 = (strcmp(reqHeader->getVersion(), "HTTP/1.1") == 0);
// only version 1.0 and 1.1 supported
if(version10 || version11)
{
// set response version according to request version
resHeader->setVersion(reqHeader->getVersion());
// use proxy'd host field if one was used
// else use host field if one was used
string host;
if(reqHeader->getField("X-Forwarded-Host", host) ||
reqHeader->getField("Host", host))
{
resHeader->setField("Host", host);
}
// get connection header
string connHeader;
if(reqHeader->getField("Connection", connHeader))
{
if(strcasecmp(connHeader.c_str(), "close") == 0)
{
keepAlive = false;
}
else if(strcasecmp(connHeader.c_str(), "keep-alive") == 0)
{
keepAlive = true;
}
}
else if(version10)
{
// if HTTP/1.0 and no keep-alive header, keep-alive is off
keepAlive = false;
}
// get request path and normalize it
const char* inPath = reqHeader->getPath();
char outPath[strlen(inPath) + 2];
HttpRequestServicer::normalizePath(inPath, outPath);
// find appropriate request servicer for path
HttpRequestServicer* hrs = NULL;
// find secure/non-secure servicer
hrs = findRequestServicer(host, outPath, hc.isSecure());
if(hrs != NULL)
{
// service request
hrs->serviceRequest(request, response);
// turn off keep-alive if response has close connection field
if(keepAlive)
{
if(resHeader->getField("Connection", connHeader) &&
strcasecmp(connHeader.c_str(), "close") == 0)
{
keepAlive = false;
}
}
// if servicer closed connection, turn off keep-alive
if(keepAlive && c->isClosed())
{
keepAlive = false;
}
}
else
{
// no servicer, so send 404 Not Found
const char* html =
"<html><body><h2>404 Not Found</h2></body></html>";
resHeader->setStatus(404, "Not Found");
resHeader->setField("Content-Type", "text/html");
resHeader->setField("Content-Length", 48);
resHeader->setField("Connection", "close");
if((noerror = response->sendHeader()))
{
ByteArrayInputStream is(html, 48);
noerror = response->sendBody(&is);
}
}
}
else
{
// send 505 HTTP Version Not Supported
const char* html =
"<html><body>"
"<h2>505 HTTP Version Not Supported</h2>"
"</body></html>";
resHeader->setStatus(505, "HTTP Version Not Supported");
resHeader->setField("Content-Type", "text/html");
resHeader->setField("Content-Length", 65);
resHeader->setField("Connection", "close");
if((noerror = response->sendHeader()))
{
ByteArrayInputStream is(html, 65);
noerror = response->sendBody(&is);
}
}
// monitor serviced request
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->afterServicingRequest(
&hc, request, response);
}
}
else
{
// begin new request state
hc.getRequestState()->beginRequest();
// monitor request error
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->beforeRequestError(
&hc, request, response);
}
// exception occurred while receiving header
ExceptionRef e = Exception::get();
// if no header then drop through and close connection
if(e->isType("monarch.http.NoHeader"))
{
keepAlive = false;
}
// for bad header or request set 400
else if(e->isType("monarch.http.BadHeader") ||
e->isType("monarch.http.BadRequest"))
{
// send 400 Bad Request
const char* html =
"<html><body><h2>400 Bad Request</h2></body></html>";
response->getHeader()->setStatus(400, "Bad Request");
response->getHeader()->setField("Content-Type", "text/html");
response->getHeader()->setField("Content-Length", 50);
response->getHeader()->setField("Connection", "close");
if(response->sendHeader())
{
ByteArrayInputStream is(html, 50);
response->sendBody(&is);
}
}
// if the exception was an interruption, then send a 503
else if(e->isType("monarch.io.InterruptedException") ||
e->isType("monarch.rt.Interrupted"))
{
// send 503 Service Unavailable
const char* html =
"<html><body><h2>503 Service Unavailable</h2></body></html>";
resHeader->setStatus(503, "Service Unavailable");
resHeader->setField("Content-Type", "text/html");
resHeader->setField("Content-Length", 58);
resHeader->setField("Connection", "close");
if((noerror = response->sendHeader()))
{
ByteArrayInputStream is(html, 58);
noerror = response->sendBody(&is);
}
}
// if the exception was not a socket error then send an internal
// server error response
else if(!e->isType("monarch.net.Socket", true))
{
// send 500 Internal Server Error
const char* html =
"<html><body><h2>500 Internal Server Error</h2></body></html>";
resHeader->setStatus(500, "Internal Server Error");
resHeader->setField("Content-Type", "text/html");
resHeader->setField("Content-Length", 60);
resHeader->setField("Connection", "close");
if((noerror = response->sendHeader()))
{
ByteArrayInputStream is(html, 60);
noerror = response->sendBody(&is);
}
}
else
{
// log socket error
if(e->getDetails()->hasMember("error"))
{
// build error string
string error;
DynamicObjectIterator i =
e->getDetails()["error"].getIterator();
while(i->hasNext())
{
error.append(i->next()->getString());
if(i->hasNext())
{
error.push_back(',');
}
}
MO_CAT_ERROR(MO_HTTP_CAT,
"Connection error: ['%s','%s','%s']",
e->getMessage(), e->getType(), error.c_str());
}
else
{
MO_CAT_ERROR(MO_HTTP_CAT,
"Connection error: ['%s','%s']",
e->getMessage(), e->getType());
}
}
// monitor request error
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->afterRequestError(
&hc, request, response, e);
}
}
// monitor request
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->afterRequest(&hc);
}
if(keepAlive && noerror)
{
// set keep-alive timeout (defaults to 5 minutes)
hc.setReadTimeout(1000 * 60 * 5);
// clear request and response header fields
reqHeader->clearFields();
resHeader->clearFields();
resHeader->clearStatus();
}
}
// clean up request and response
delete request;
delete response;
// monitor connection
if(!mConnectionMonitor.isNull())
{
mConnectionMonitor->afterServicingConnection(&hc);
}
// close connection
hc.close();
}
