bool CJsonOverUTTPWriter::SendNode(const CJsonNode& node)
{
switch (node.GetNodeType()) {
case CJsonNode::eObject:
m_OutputStack.push_back(m_CurrentOutputNode);
m_CurrentOutputNode.m_Node = node;
m_CurrentOutputNode.m_ObjectIterator = node.GetObject().begin();
m_SendHashValue = false;
if (!m_UTTPWriter.SendControlSymbol('{'))
return false;
break;
case CJsonNode::eArray:
m_OutputStack.push_back(m_CurrentOutputNode);
m_CurrentOutputNode.m_Node = node;
m_CurrentOutputNode.m_ArrayIterator = node.GetArray().begin();
if (!m_UTTPWriter.SendControlSymbol('['))
return false;
break;
case CJsonNode::eString:
{
string str(node.GetString());
if (!m_UTTPWriter.SendChunk(str.data(), str.length(), false))
return false;
}
break;
case CJsonNode::eNumber:
if (!m_UTTPWriter.SendNumber(node.GetNumber()))
return false;
break;
case CJsonNode::eBoolean:
if (!m_UTTPWriter.SendControlSymbol(node.GetBoolean() ? 'Y' : 'N'))
return false;
break;
case CJsonNode::eNull:
if (!m_UTTPWriter.SendControlSymbol('U'))
return false;
}
return true;
}
static void s_TrapErrors(const CJsonNode& request,
const CJsonNode& reply, CSocket& sock,
SNetStorage::SConfig::EErrMode err_mode)
{
const string server_address(sock.GetPeerAddress());
CJsonNode issues(reply.GetByKeyOrNull("Warnings"));
if (issues) {
for (CJsonIterator it = issues.Iterate(); it; ++it) {
const SIssue issue(*it);
LOG_POST(Warning << "NetStorage server " << server_address <<
" issued warning " << issue);
}
}
const string status = reply.GetString("Status");
const bool status_ok = status == "OK";
issues = reply.GetByKeyOrNull("Errors");
// Got errors
if (!status_ok || issues) {
if (status_ok && err_mode != SNetStorage::SConfig::eThrow) {
if (err_mode == SNetStorage::SConfig::eLog) {
for (CJsonIterator it = issues.Iterate(); it; ++it) {
const SIssue issue(*it);
LOG_POST(Error << "NetStorage server " << server_address <<
" issued error " << issue);
}
}
} else {
Int8 code = CNetStorageServerError::eUnknownError;
Int8 sub_code = SIssue::kEmptySubCode;
ostringstream errors;
if (!issues)
errors << status;
else {
const char* prefix = "error ";
for (CJsonIterator it = issues.Iterate(); it; ++it) {
const SIssue issue(*it);
code = issue.code;
sub_code = issue.sub_code;
errors << prefix << issue;
prefix = ", error ";
}
}
string err_msg = FORMAT("Error while executing " <<
request.GetString("Type") << " "
"on NetStorage server " <<
sock.GetPeerAddress() << ". "
"Server returned " << errors.str());
s_ThrowError(code, sub_code, err_msg);
}
}
if (reply.GetInteger("RE") != request.GetInteger("SN")) {
NCBI_THROW_FMT(CNetStorageException, eServerError,
"Message serial number mismatch "
"(NetStorage server: " << sock.GetPeerAddress() << "; "
"request: " << request.Repr() << "; "
"reply: " << reply.Repr() << ").");
}
}
