Method ParseKey

tensorflow/core/framework/rendezvous.cc:86–113

static */

/* static */
Status Rendezvous::ParseKey(StringPiece key, ParsedKey* out) {
  if (key.data() == out->buf_.data()) {
    // Caller used our buf_ string directly, so we don't need to copy.  (The
    // SendOp and RecvOp implementations do this, for example).
    DCHECK_EQ(key.size(), out->buf_.size());
  } else {
    // Make a copy that our StringPieces can point at a copy that will persist
    // for the lifetime of the ParsedKey object.
    out->buf_.assign(key.data(), key.size());
  }
  StringPiece s(out->buf_);
  StringPiece parts[5];
  for (int i = 0; i < 5; i++) {
    parts[i] = ConsumeNextPart(&s, ';');
  }
  if (s.empty() &&          // Consumed the whole string
      !parts[4].empty() &&  // Exactly five parts
      DeviceNameUtils::ParseFullName(parts[0], &out->src) &&
      strings::HexStringToUint64(parts[1], &out->src_incarnation) &&
      DeviceNameUtils::ParseFullName(parts[2], &out->dst) &&
      !parts[3].empty()) {
    out->src_device = StringPiece(parts[0].data(), parts[0].size());
    out->dst_device = StringPiece(parts[2].data(), parts[2].size());
    out->edge_name = StringPiece(parts[3].data(), parts[3].size());
    return Status::OK();
  }
  return errors::InvalidArgument("Invalid  rendezvous key: ", key);
}

Rendezvous::~Rendezvous() {}