uint64_t umbrellaDetermineReqId(const uint8_t* header, size_t nheader) {
uint64_t id;
if (!umbrellaGetTagValue(header, nheader, msg_reqid, id)) {
throw std::runtime_error("missing reqid");
}
if (id == 0) {
throw std::runtime_error("invalid reqid");
}
return id;
}
mc_op_t umbrellaDetermineOperation(const uint8_t* header, size_t nheader) {
uint64_t op;
if (!umbrellaGetTagValue(header, nheader, msg_op, op)) {
throw std::runtime_error("missing op");
}
if (op >= UM_NOPS) {
throw std::runtime_error("invalid operation");
}
return static_cast<mc_op_t>(detail::kUmbrellaOpToMc[op]);
}
mc_op_t umbrellaDetermineOperation(
const uint8_t* header,
size_t nheader) noexcept {
uint64_t op;
if (!umbrellaGetTagValue(header, nheader, msg_op, op)) {
LOG(ERROR) << "Operation is missing in umbrella header. "
<< "Header size: " << nheader << ". Header: "
<< folly::StringPiece(reinterpret_cast<const char*>(header),
nheader);
return mc_op_unknown;
}
if (op >= UM_NOPS) {
LOG(ERROR) << "Invalid operation read from umbrella header. "
<< "Op: " << op << ". Header size: " << nheader << ". Header: "
<< folly::StringPiece(reinterpret_cast<const char*>(header),
nheader);
return mc_op_unknown;
}
return static_cast<mc_op_t>(detail::kUmbrellaOpToMc[op]);
}
bool umbrellaIsReply(const uint8_t* header, size_t nheader) {
uint64_t res;
return umbrellaGetTagValue(header, nheader, msg_result, res);
}
