refactor(packet): serialize directly into packet buffer with ByteSizeLong

This commit is contained in:
2026-06-23 22:00:19 +08:00
parent 2953e8a233
commit 6f39ff771d

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@@ -31,15 +31,11 @@ template <typename T> constexpr uint16_t get_packet_id() {
}
template <typename T> Packet make_packet(const T& msg) {
std::string body;
if (!msg.SerializeToString(&body)) {
return {};
}
uint16_t cmd = get_packet_id<T>();
uint32_t total_len = HEADER_LEN + body.size();
uint32_t body_len = static_cast<uint32_t>(msg.ByteSizeLong());
uint32_t total_len = HEADER_LEN + body_len;
auto packet = std::make_shared<std::vector<uint8_t>>(total_len);
@@ -48,10 +44,12 @@ template <typename T> Packet make_packet(const T& msg) {
std::memcpy(packet->data(), &total_len_net, sizeof(total_len_net));
std::memcpy(packet->data() + sizeof(total_len_net), &cmd_net,
sizeof(cmd_net));
std::memcpy(packet->data() + 4, &cmd_net, sizeof(cmd_net));
std::memcpy(packet->data() + HEADER_LEN, body.data(), body.size());
if (!msg.SerializeToArray(packet->data() + HEADER_LEN,
static_cast<int>(body_len))) {
return {};
}
return packet;
}