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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "rpcrequest.h"
#include "packets.h"
#include <vespa/fnet/info.h>
#include <cassert>
FRT_RPCRequest::FRT_RPCRequest()
: _stash(),
_context(),
_params(_stash),
_return(_stash),
_completed(0),
_errorCode(FRTE_NO_ERROR),
_errorMessageLen(0),
_methodNameLen(0),
_errorMessage(nullptr),
_methodName(nullptr),
_detachedPT(nullptr),
_abortHandler(nullptr),
_returnHandler(nullptr)
{ }
FRT_RPCRequest::~FRT_RPCRequest() = default;
void
FRT_RPCRequest::SetError(uint32_t errorCode, const char *errorMessage, uint32_t errorMessageLen)
{
_errorCode = errorCode;
_errorMessageLen = errorMessageLen;
_errorMessage = fnet::copyString(_stash.alloc(errorMessageLen + 1), errorMessage, errorMessageLen);
}
void
FRT_RPCRequest::SetError(uint32_t errorCode, const char *errorMessage) {
SetError(errorCode, errorMessage, strlen(errorMessage));
}
void
FRT_RPCRequest::SetError(uint32_t errorCode) {
SetError(errorCode, FRT_GetDefaultErrorMessage(errorCode));
}
bool
FRT_RPCRequest::CheckReturnTypes(const char *types) {
if (IsError()) {
return false;
}
if (strcmp(types, GetReturnSpec()) != 0) {
SetError(FRTE_RPC_WRONG_RETURN);
return false;
}
return true;
}
void
FRT_RPCRequest::SetMethodName(const char *methodName, uint32_t len) {
_methodNameLen = len;
_methodName = fnet::copyString(_stash.alloc(len + 1), methodName, len);
}
void
FRT_RPCRequest::SetMethodName(const char *methodName) {
SetMethodName(methodName, strlen(methodName));
}
bool
FRT_RPCRequest::Abort() {
if (_abortHandler == nullptr) {
return false;
}
return _abortHandler->HandleAbort();
}
void
FRT_RPCRequest::Return() {
_returnHandler->HandleReturn();
}
FNET_Connection *
FRT_RPCRequest::GetConnection() {
if (_returnHandler == nullptr)
return nullptr;
return _returnHandler->GetConnection();
}
void
FRT_RPCRequest::Reset() {
_context = FNET_Context();
_params.Reset();
_return.Reset();
_stash.clear();
_errorCode = FRTE_NO_ERROR;
_errorMessageLen = 0;
_errorMessage = nullptr;
_methodNameLen = 0;
_methodName = nullptr;
_detachedPT = nullptr;
_completed = 0;
_abortHandler = nullptr;
_returnHandler = nullptr;
}
bool
FRT_RPCRequest::Recycle()
{
if (count_refs() > 1 || _errorCode != FRTE_NO_ERROR)
return false;
Reset();
return true;
}
void
FRT_RPCRequest::Print(uint32_t indent)
{
printf("%*sFRT_RPCRequest {\n", indent, "");
printf("%*s method: %s\n", indent, "",
(_methodName != nullptr)? _methodName : "(N/A)");
printf("%*s error(%d): %s\n", indent, "", _errorCode,
(_errorMessage != nullptr)
? _errorMessage
: FRT_GetDefaultErrorMessage(_errorCode));
printf("%*s params:\n", indent, "");
_params.Print(indent + 2);
printf("%*s return:\n", indent, "");
_return.Print(indent + 2);
printf("%*s}\n", indent, "");
}
FNET_Packet *
FRT_RPCRequest::CreateRequestPacket(bool wantReply)
{
uint32_t flags = 0;
if (FNET_Info::GetEndian() == FNET_Info::ENDIAN_LITTLE)
flags |= FLAG_FRT_RPC_LITTLE_ENDIAN;
if (wantReply)
internal_addref();
else
flags |= FLAG_FRT_RPC_NOREPLY;
return &_stash.create<FRT_RPCRequestPacket>(this, flags, true);
}
FNET_Packet *
FRT_RPCRequest::CreateReplyPacket()
{
uint32_t flags = 0;
if (FNET_Info::GetEndian() == FNET_Info::ENDIAN_LITTLE)
flags |= FLAG_FRT_RPC_LITTLE_ENDIAN;
if (IsError()) {
return &_stash.create<FRT_RPCErrorPacket>(this, flags, true);
} else {
return &_stash.create<FRT_RPCReplyPacket>(this, flags, true);
}
}
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