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simplify and rename codec

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qicosmos
2025-10-12 10:51:23 +08:00
parent f4f0d82496
commit 0142d19bfc
6 changed files with 60 additions and 99 deletions
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include/rest_rpc/codec.h
+19 -49
View File
@@ -6,64 +6,21 @@
#include <msgpack.hpp>
namespace rest_rpc {
namespace rpc_service {
template <typename Arg> auto pack_one(Arg &&arg) {
if constexpr (util::CharArrayRef<Arg> || util::CharArray<Arg> ||
util::string<Arg>) {
return std::string_view(std::forward<Arg>(arg));
} else {
return std::to_string(arg);
}
}
using buffer_type = msgpack::sbuffer;
struct msgpack_codec {
const static size_t init_size = 2 * 1024;
template <typename... Args> static auto pack_args(Args &&...args) {
template <typename... Args> inline static auto pack_args(Args &&...args) {
if constexpr (sizeof...(Args) == 0) {
return std::string_view{};
} else if constexpr (sizeof...(Args) == 1 && util::is_basic_v<Args...>) {
return pack_one(std::forward<Args>(args)...);
} else {
buffer_type buffer(init_size);
msgpack::sbuffer buffer(2 * 1024);
msgpack::pack(buffer, std::forward_as_tuple(std::forward<Args>(args)...));
return std::string(buffer.data(), buffer.size());
}
}
template <typename Arg> static std::string pack_to_string(Arg &&arg) {
buffer_type buffer(init_size);
msgpack::pack(buffer, arg);
return std::string(buffer.data(), buffer.size());
}
template <typename Arg, typename... Args,
typename = typename std::enable_if<std::is_enum<Arg>::value>::type>
static std::string pack_args_str(Arg arg, Args &&...args) {
buffer_type buffer(init_size);
msgpack::pack(buffer,
std::forward_as_tuple((int)arg, std::forward<Args>(args)...));
return std::string(buffer.data(), buffer.size());
}
template <typename T> buffer_type pack(T &&t) const {
buffer_type buffer;
msgpack::pack(buffer, std::forward<T>(t));
return buffer;
}
template <typename T> T unpack(char const *data, size_t length) {
try {
msgpack::unpack(msg_, data, length);
return msg_.get().as<T>();
} catch (...) {
throw std::invalid_argument("unpack failed: Args not match!");
}
}
template <typename T> T unpack(std::string_view data) {
template <typename T> inline static T unpack(std::string_view data) {
if constexpr (std::is_fundamental_v<T>) {
T t;
auto r = std::from_chars(data.data(), data.data() + data.size(), t);
@@ -76,14 +33,27 @@ struct msgpack_codec {
} else if constexpr (std::is_same_v<std::string_view, T>) {
return data;
} else {
return unpack<T>(data.data(), data.size());
try {
static msgpack::unpacked msg;
msgpack::unpack(msg, data.data(), data.size());
return msg.get().as<T>();
} catch (...) {
throw std::invalid_argument("unpack failed: Args not match!");
}
}
}
private:
msgpack::unpacked msg_;
template <typename Arg> inline static auto pack_one(Arg &&arg) {
if constexpr (util::CharArrayRef<Arg> || util::CharArray<Arg> ||
util::string<Arg>) {
return std::string_view(std::forward<Arg>(arg));
} else {
return std::to_string(arg);
}
}
};
} // namespace rpc_service
} // namespace rest_rpc
#endif // REST_RPC_CODEC_H_
include/rest_rpc/rpc_client.hpp
+3 -5
View File
@@ -164,8 +164,7 @@ private:
template <typename R, typename... Args>
asio::awaitable<call_result<R>> call_impl(rest_rpc_header &header,
Args &&...args) {
rpc_service::msgpack_codec codec;
auto buf = codec.pack_args(std::forward<Args>(args)...);
auto buf = msgpack_codec::pack_args(std::forward<Args>(args)...);
header.body_len = buf.size();
if (cross_ending_) {
prepare_for_send(header);
@@ -227,12 +226,11 @@ private:
}
result.ec = (rpc_errc)socket_->body_[0];
if constexpr (!std::is_void_v<R>) {
rpc_service::msgpack_codec codec;
if constexpr (util::is_basic_v<R>) {
result.value = codec.unpack<R>(std::string_view(
result.value = msgpack_codec::unpack<R>(std::string_view(
socket_->body_.data() + 1, resp_header.body_len - 1));
} else {
auto tp = codec.unpack<std::tuple<R>>(std::string_view(
auto tp = msgpack_codec::unpack<std::tuple<R>>(std::string_view(
socket_->body_.data() + 1, resp_header.body_len - 1));
result.value = std::move(std::get<0>(tp));
}
include/rest_rpc/rpc_connection.hpp
+2 -2
View File
@@ -237,8 +237,8 @@ asio::awaitable<std::error_code> rpc_context::response(Args &&...args) {
REST_LOG_ERROR << "rpc context init failed";
co_return make_error_code(rpc_errc::rpc_context_init_failed);
}
rpc_service::msgpack_codec codec;
rpc_result result(codec.pack_args(std::forward<Args>(args)...));
rpc_result result(msgpack_codec::pack_args(std::forward<Args>(args)...));
has_response_ = true;
co_return co_await conn_->response(result);
}
include/rest_rpc/rpc_router.hpp
+20 -25
View File
@@ -72,7 +72,6 @@ public:
asio::awaitable<rpc_result> route(uint32_t key, std::string_view data) {
rpc_result route_result{};
try {
rpc_service::msgpack_codec codec;
auto it = map_invokers_.find(key);
if (it == map_invokers_.end()) {
route_result.result = "unknown function: " + get_name_by_key(key);
@@ -149,15 +148,15 @@ private:
} else {
if constexpr (std::is_void_v<Self>) {
if constexpr (is_awaitable_v<R>) {
ret = rpc_service::msgpack_codec::pack_args(co_await f());
ret = msgpack_codec::pack_args(co_await f());
} else {
ret = rpc_service::msgpack_codec::pack_args(f());
ret = msgpack_codec::pack_args(f());
}
} else {
if constexpr (is_awaitable_v<R>) {
ret = rpc_service::msgpack_codec::pack_args(co_await (*self.*f)());
ret = msgpack_codec::pack_args(co_await (*self.*f)());
} else {
ret = rpc_service::msgpack_codec::pack_args((*self.*f)());
ret = msgpack_codec::pack_args((*self.*f)());
}
}
}
@@ -167,37 +166,35 @@ private:
template <typename R, typename Arg, typename F, typename Self>
asio::awaitable<void> handle_one_arg(std::string_view str, const F &f,
rpc_result &ret, Self *self) {
rpc_service::msgpack_codec codec;
if constexpr (is_void_v<R>) {
if constexpr (std::is_void_v<Self>) {
if constexpr (is_awaitable_v<R>) {
co_await f(codec.unpack<Arg>(str));
co_await f(msgpack_codec::unpack<Arg>(str));
} else {
f(codec.unpack<Arg>(str));
f(msgpack_codec::unpack<Arg>(str));
}
} else {
if constexpr (is_awaitable_v<R>) {
co_await (*self.*f)(codec.unpack<Arg>(str));
co_await (*self.*f)(msgpack_codec::unpack<Arg>(str));
} else {
(*self.*f)(codec.unpack<Arg>(str));
(*self.*f)(msgpack_codec::unpack<Arg>(str));
}
}
} else {
if constexpr (std::is_void_v<Self>) {
if constexpr (is_awaitable_v<R>) {
ret = rpc_service::msgpack_codec::pack_args(
co_await f(codec.unpack<Arg>(str)));
ret = msgpack_codec::pack_args(
co_await f(msgpack_codec::unpack<Arg>(str)));
} else {
ret =
rpc_service::msgpack_codec::pack_args(f(codec.unpack<Arg>(str)));
ret = msgpack_codec::pack_args(f(msgpack_codec::unpack<Arg>(str)));
}
} else {
if constexpr (is_awaitable_v<R>) {
ret = rpc_service::msgpack_codec::pack_args(
co_await (*self.*f)(codec.unpack<Arg>(str)));
ret = msgpack_codec::pack_args(
co_await (*self.*f)(msgpack_codec::unpack<Arg>(str)));
} else {
ret = rpc_service::msgpack_codec::pack_args(
(*self.*f)(codec.unpack<Arg>(str)));
ret = msgpack_codec::pack_args(
(*self.*f)(msgpack_codec::unpack<Arg>(str)));
}
}
}
@@ -207,8 +204,7 @@ private:
template <typename R, typename Args, typename F, typename Self>
asio::awaitable<void> handle_more_args(std::string_view str, const F &f,
rpc_result &ret, Self *self) {
rpc_service::msgpack_codec codec;
auto tp = codec.unpack<Args>(str);
auto tp = msgpack_codec::unpack<Args>(str);
if constexpr (std::is_void_v<R>) {
if constexpr (std::is_void_v<Self>) {
if constexpr (is_awaitable_v<R>) {
@@ -234,20 +230,19 @@ private:
} else {
if constexpr (std::is_void_v<Self>) {
if constexpr (is_awaitable_v<R>) {
ret =
rpc_service::msgpack_codec::pack_args(co_await std::apply(f, tp));
ret = msgpack_codec::pack_args(co_await std::apply(f, tp));
} else {
ret = rpc_service::msgpack_codec::pack_args(std::apply(f, tp));
ret = msgpack_codec::pack_args(std::apply(f, tp));
}
} else {
if constexpr (is_awaitable_v<R>) {
ret = rpc_service::msgpack_codec::pack_args(co_await std::apply(
ret = msgpack_codec::pack_args(co_await std::apply(
[self, &f](auto &&...args) {
return (*self.*f)(std::forward<decltype(args)>(args)...);
},
tp));
} else {
ret = rpc_service::msgpack_codec::pack_args(std::apply(
ret = msgpack_codec::pack_args(std::apply(
[self, &f](auto &&...args) {
return (*self.*f)(std::forward<decltype(args)>(args)...);
},
include/rest_rpc/rpc_server.hpp
+2 -2
View File
@@ -113,8 +113,8 @@ public:
auto conns = get_connections();
for (auto &[_, conn] : conns) {
if (conn->topic_id() == id) {
co_await conn->response(
rpc_service::msgpack_codec::pack_args(std::forward<T>(t)), id);
co_await conn->response(msgpack_codec::pack_args(std::forward<T>(t)),
id);
}
}
}