void JsonRpcConnection::MessageHandler(const String& jsonString)
{
Dictionary::Ptr message = JsonRpc::DecodeMessage(jsonString);
m_Seen = Utility::GetTime();
if (m_HeartbeatTimeout != 0)
m_NextHeartbeat = Utility::GetTime() + m_HeartbeatTimeout;
if (m_Endpoint && message->Contains("ts")) {
double ts = message->Get("ts");
/* ignore old messages */
if (ts < m_Endpoint->GetRemoteLogPosition())
return;
m_Endpoint->SetRemoteLogPosition(ts);
}
MessageOrigin::Ptr origin = new MessageOrigin();
origin->FromClient = this;
if (m_Endpoint) {
if (m_Endpoint->GetZone() != Zone::GetLocalZone())
origin->FromZone = m_Endpoint->GetZone();
else
origin->FromZone = Zone::GetByName(message->Get("originZone"));
}
String method = message->Get("method");
Log(LogNotice, "JsonRpcConnection")
<< "Received '" << method << "' message from '" << m_Identity << "'";
Dictionary::Ptr resultMessage = new Dictionary();
try {
ApiFunction::Ptr afunc = ApiFunction::GetByName(method);
if (!afunc)
BOOST_THROW_EXCEPTION(std::invalid_argument("Function '" + method + "' does not exist."));
resultMessage->Set("result", afunc->Invoke(origin, message->Get("params")));
} catch (const std::exception& ex) {
/* TODO: Add a user readable error message for the remote caller */
resultMessage->Set("error", DiagnosticInformation(ex));
std::ostringstream info;
info << "Error while processing message for identity '" << m_Identity << "'";
Log(LogWarning, "JsonRpcConnection")
<< info.str() << "\n" << DiagnosticInformation(ex);
}
if (message->Contains("id")) {
resultMessage->Set("jsonrpc", "2.0");
resultMessage->Set("id", message->Get("id"));
SendMessage(resultMessage);
}
}
bool ApiClient::ProcessMessage(void)
{
Dictionary::Ptr message;
if (m_Stream->IsEof())
return false;
try {
message = JsonRpc::ReadMessage(m_Stream);
} catch (const openssl_error& ex) {
const unsigned long *pe = boost::get_error_info<errinfo_openssl_error>(ex);
if (pe && *pe == 0)
return false; /* Connection was closed cleanly */
throw;
}
if (!message)
return false;
if (message->Get("method") != "log::SetLogPosition")
m_Seen = Utility::GetTime();
if (m_Endpoint && message->Contains("ts")) {
double ts = message->Get("ts");
/* ignore old messages */
if (ts < m_Endpoint->GetRemoteLogPosition())
return true;
m_Endpoint->SetRemoteLogPosition(ts);
}
MessageOrigin origin;
origin.FromClient = GetSelf();
if (m_Endpoint) {
if (m_Endpoint->GetZone() != Zone::GetLocalZone())
origin.FromZone = m_Endpoint->GetZone();
else
origin.FromZone = Zone::GetByName(message->Get("originZone"));
}
String method = message->Get("method");
Log(LogNotice, "ApiClient")
<< "Received '" << method << "' message from '" << m_Identity << "'";
Dictionary::Ptr resultMessage = make_shared<Dictionary>();
try {
ApiFunction::Ptr afunc = ApiFunction::GetByName(method);
if (!afunc)
BOOST_THROW_EXCEPTION(std::invalid_argument("Function '" + method + "' does not exist."));
resultMessage->Set("result", afunc->Invoke(origin, message->Get("params")));
} catch (const std::exception& ex) {
resultMessage->Set("error", DiagnosticInformation(ex));
}
if (message->Contains("id")) {
resultMessage->Set("jsonrpc", "2.0");
resultMessage->Set("id", message->Get("id"));
JsonRpc::SendMessage(m_Stream, resultMessage);
}
return true;
}
bool ApiClient::ProcessMessage(void)
{
Dictionary::Ptr message;
StreamReadStatus srs = JsonRpc::ReadMessage(m_Stream, &message, m_Context);
if (srs != StatusNewItem)
return false;
m_Seen = Utility::GetTime();
if (m_HeartbeatTimeout != 0)
m_NextHeartbeat = Utility::GetTime() + m_HeartbeatTimeout;
if (m_Endpoint && message->Contains("ts")) {
double ts = message->Get("ts");
/* ignore old messages */
if (ts < m_Endpoint->GetRemoteLogPosition())
return true;
m_Endpoint->SetRemoteLogPosition(ts);
}
MessageOrigin origin;
origin.FromClient = this;
if (m_Endpoint) {
if (m_Endpoint->GetZone() != Zone::GetLocalZone())
origin.FromZone = m_Endpoint->GetZone();
else
origin.FromZone = Zone::GetByName(message->Get("originZone"));
}
String method = message->Get("method");
Log(LogNotice, "ApiClient")
<< "Received '" << method << "' message from '" << m_Identity << "'";
Dictionary::Ptr resultMessage = new Dictionary();
try {
ApiFunction::Ptr afunc = ApiFunction::GetByName(method);
if (!afunc)
BOOST_THROW_EXCEPTION(std::invalid_argument("Function '" + method + "' does not exist."));
resultMessage->Set("result", afunc->Invoke(origin, message->Get("params")));
} catch (const std::exception& ex) {
//TODO: Add a user readable error message for the remote caller
resultMessage->Set("error", DiagnosticInformation(ex));
std::ostringstream info;
info << "Error while processing message for identity '" << m_Identity << "'";
Log(LogWarning, "ApiClient")
<< info.str();
Log(LogDebug, "ApiClient")
<< info.str() << "\n" << DiagnosticInformation(ex);
}
if (message->Contains("id")) {
resultMessage->Set("jsonrpc", "2.0");
resultMessage->Set("id", message->Get("id"));
JsonRpc::SendMessage(m_Stream, resultMessage);
}
return true;
}