From a5d95afb96eb9a3b65d82f5f84bf8e4a4fb4c8ac Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Fri, 28 Aug 2026 21:12:55 +0200
Subject: clang-format C++ sources

---
 server/src/srv.cppm | 384 ++++++++++++++++++++++++++++++----------------------
 1 file changed, 221 insertions(+), 163 deletions(-)

(limited to 'server/src/srv.cppm')

diff --git a/server/src/srv.cppm b/server/src/srv.cppm
index 2ca48c6..d9ff880 100644
--- a/server/src/srv.cppm
+++ b/server/src/srv.cppm
@@ -1,12 +1,12 @@
 module;
 
-#include <boost/config.hpp>
-#include <boost/asio/ip/tcp.hpp>
 #include <boost/asio/as_tuple.hpp>
 #include <boost/asio/awaitable.hpp>
 #include <boost/asio/co_spawn.hpp>
+#include <boost/asio/ip/tcp.hpp>
 #include <boost/beast/core.hpp>
 #include <boost/beast/http.hpp>
+#include <boost/config.hpp>
 #include <boost/json.hpp>
 #include <boost/locale/generator.hpp>
 
@@ -32,190 +32,248 @@ using tcp = boost::asio::ip::tcp;
 
 namespace routemon::srv {
 
-  class gpx_parse_error_category_impl : public std::error_category {
-  public:
-    char const* name() const noexcept override { return "gpx_parse"; }
-    auto message(int condition) const noexcept -> std::string override {
-      std::ignore = condition;
-      return "failed to parse GPX file";
-    }
-  };
-  auto gpx_parse_error_category() noexcept -> gpx_parse_error_category_impl const& {
-    static auto const inst = gpx_parse_error_category_impl{};
-    return inst;
+class gpx_parse_error_category_impl : public std::error_category
+{
+public:
+  char const* name() const noexcept override { return "gpx_parse"; }
+  auto message(int condition) const noexcept -> std::string override
+  {
+    std::ignore = condition;
+    return "failed to parse GPX file";
   }
-  auto gpx_parse_error() noexcept -> std::error_code {
-    return std::error_code{1, gpx_parse_error_category()};
+};
+auto gpx_parse_error_category() noexcept -> gpx_parse_error_category_impl const&
+{
+  static auto const inst = gpx_parse_error_category_impl{};
+  return inst;
+}
+auto gpx_parse_error() noexcept -> std::error_code
+{
+  return std::error_code{1, gpx_parse_error_category()};
+}
+
+class gpx_parse_result
+{
+  std::variant<std::exception_ptr, gpx::file> res_;
+
+public:
+  auto set_exception(std::exception_ptr ex) noexcept { res_ = ex; }
+  auto set_gpx_file(gpx::file&& f) noexcept { res_ = std::move(f); }
+
+  auto unwrap() -> gpx::file&&
+  {
+    return std::visit(
+        util::overloaded{
+            [](std::exception_ptr ex) -> gpx::file&&
+            {
+              if (ex)
+                std::rethrow_exception(ex);
+              else
+                throw std::runtime_error{"no GPX file parse result available"};
+            },
+            [](gpx::file&& f) -> gpx::file&& { return std::move(f); },
+        },
+        std::move(res_));
   }
+};
 
-  class gpx_parse_result {
-    std::variant<std::exception_ptr, gpx::file> res_;
+struct readable_gpx_body
+{
+  using value_type = gpx_parse_result;
 
-  public:
-    auto set_exception(std::exception_ptr ex) noexcept {
-      res_ = ex;
-    }
-    auto set_gpx_file(gpx::file&& f) noexcept {
-      res_ = std::move(f);
-    }
+  class reader
+  {
+    gpx::reader r_;
+    util::not_null<value_type*> res_;
 
-    auto unwrap() -> gpx::file&& {
-      return std::visit(util::overloaded{
-          [](std::exception_ptr ex) -> gpx::file&& {
-            if (ex) std::rethrow_exception(ex);
-            else throw std::runtime_error{"no GPX file parse result available"};
-          },
-          [](gpx::file&& f) -> gpx::file&& { return std::move(f); },
-        }, std::move(res_));
+  public:
+    template <bool isRequest, bhttp::concepts::fields Fields>
+    explicit reader(bhttp::header<isRequest, Fields>&, value_type& v) : res_{&v}
+    {
     }
-  };
 
-  struct readable_gpx_body {
-    using value_type = gpx_parse_result;
-
-    class reader {
-      gpx::reader r_;
-      util::not_null<value_type*> res_;
-
-    public:
-      template<bool isRequest, bhttp::concepts::fields Fields>
-      explicit reader(bhttp::header<isRequest, Fields>&, value_type& v)
-        : res_{&v}
-      {}
-
-      // The following methods (which are called by Beast) are marked
-      // noexcept, since Beast does not ensure that exceptions thrown
-      // here are appropriately directed to the caller of
-      // (async_)read(_some), so throwing here might cause the program
-      // to crash.
-
-      auto init(boost::optional<std::uint64_t> /* n */, beast::error_code& ec) noexcept -> void {
-        try {
-          r_.init();
-          ec = {};
-        } catch (std::exception& ex) {
-          res_->set_exception(std::current_exception());
-          ec = gpx_parse_error();
-        }
+    // The following methods (which are called by Beast) are marked
+    // noexcept, since Beast does not ensure that exceptions thrown
+    // here are appropriately directed to the caller of
+    // (async_)read(_some), so throwing here might cause the program
+    // to crash.
+
+    auto
+    init(boost::optional<std::uint64_t> /* n */, beast::error_code& ec) noexcept
+        -> void
+    {
+      try
+      {
+        r_.init();
+        ec = {};
       }
-
-      auto put(beast::concepts::const_buffer_sequence auto b, beast::error_code& ec) noexcept -> std::size_t {
-        auto total = 0uz;
-        try {
-          for (auto it = net::buffer_sequence_begin(b); it != net::buffer_sequence_end(b); it++) {
-            r_.put(std::string_view{static_cast<char const*>(it->data()), it->size()});
-            total += it->size();
-          }
-          ec = {};
-        } catch (std::exception& ex) {
-          res_->set_exception(std::current_exception());
-          ec = gpx_parse_error();
-        }
-        return total;
+      catch (std::exception& ex)
+      {
+        res_->set_exception(std::current_exception());
+        ec = gpx_parse_error();
       }
+    }
 
-      auto finish(beast::error_code& ec) noexcept {
-        try {
-          res_->set_gpx_file(r_.finish());
-          ec = {};
-        } catch (std::exception& ex) {
-          res_->set_exception(std::current_exception());
-          ec = gpx_parse_error();
+    auto
+    put(beast::concepts::const_buffer_sequence auto b,
+        beast::error_code& ec) noexcept -> std::size_t
+    {
+      auto total = 0uz;
+      try
+      {
+        for (auto it = net::buffer_sequence_begin(b);
+             it != net::buffer_sequence_end(b); it++)
+        {
+          r_.put(
+              std::string_view{
+                  static_cast<char const*>(it->data()), it->size()
+              });
+          total += it->size();
         }
+        ec = {};
       }
-    };
-  };
-  static_assert(bhttp::concepts::body<readable_gpx_body>);
-  static_assert(bhttp::concepts::body_reader<readable_gpx_body>);
-
-  class handler {
-    api::handler inner_;
-
-  public:
-    using outer_ctx = http::trace_id_ctx<http::base_ctx>;
-    using l0_ctx = http::routed_ctx<outer_ctx>;
-
-  private:
-    auto handle_process_gpx(l0_ctx ctx, http::readable_request r) -> net::awaitable<http::presponse> {
-      auto gpx_file = gpx::file{};
-      try {
-        auto req = co_await http::read_request<readable_gpx_body>(ctx, std::move(r));
-        gpx_file = std::move(req->body().unwrap());
-      } catch (std::exception& ex) {
-        // TODO: more detailed problem reporting
-        auto tpl = problem::tpl{
-          .status   = bhttp::status::bad_request,
-          .title    = translate("Failed to parse GPX file"),
-          .type_uri = "https://routemon.fautchen.eu/problems/gpx-parse-failed",
-        };
-        co_return http::problem_rsp(ctx, tpl.instantiate(), http::keep_alive{false});
+      catch (std::exception& ex)
+      {
+        res_->set_exception(std::current_exception());
+        ec = gpx_parse_error();
       }
+      return total;
+    }
 
-      // TODO: catch handler exceptions and return 500 when raised?
-      // (keep-alive depends on whether whole request was read)
-      auto mres = inner_.process_gpx(std::move(gpx_file));
-      if (!mres) {
-        auto tpl = problem::tpl{
-          .status   = bhttp::status::internal_server_error,
-          .title    = translate("Internal server error"),
-          .type_uri = "https://routemon.fautchen.eu/problems/internal-server-error",
-        };
-        co_return http::problem_rsp(ctx, tpl.instantiate(), http::keep_alive{true});
+    auto finish(beast::error_code& ec) noexcept
+    {
+      try
+      {
+        res_->set_gpx_file(r_.finish());
+        ec = {};
+      }
+      catch (std::exception& ex)
+      {
+        res_->set_exception(std::current_exception());
+        ec = gpx_parse_error();
       }
-
-      auto rsp = http::make_rsp<bhttp::string_body>(bhttp::status::ok, http::keep_alive{true});
-      rsp.set(bhttp::field::content_type, "application/json");
-      rsp.body() = json::serialize(json::value_from(*mres));
-      rsp.prepare_payload();
-      co_return rsp;
     }
-
-    auto handle_sysinfo(l0_ctx ctx, http::readable_request r) -> net::awaitable<http::presponse> {
-      auto req = co_await http::read_request<bhttp::empty_body>(ctx, std::move(r));
-      auto info = inner_.sysinfo();
-
-      auto rsp = http::make_rsp<bhttp::string_body>(bhttp::status::ok, http::keep_alive{true});
-      rsp.set(bhttp::field::content_type, "application/json");
-      rsp.body() = json::serialize(json::value_from(info));
-      rsp.prepare_payload();
-      co_return rsp;
+  };
+};
+static_assert(bhttp::concepts::body<readable_gpx_body>);
+static_assert(bhttp::concepts::body_reader<readable_gpx_body>);
+
+class handler
+{
+  api::handler inner_;
+
+public:
+  using outer_ctx = http::trace_id_ctx<http::base_ctx>;
+  using l0_ctx = http::routed_ctx<outer_ctx>;
+
+private:
+  auto handle_process_gpx(l0_ctx ctx, http::readable_request r)
+      -> net::awaitable<http::presponse>
+  {
+    auto gpx_file = gpx::file{};
+    try
+    {
+      auto req =
+          co_await http::read_request<readable_gpx_body>(ctx, std::move(r));
+      gpx_file = std::move(req->body().unwrap());
     }
-
-  public:
-    handler(api::handler&& inner) : inner_{std::move(inner)} {}
-
-    auto make_routes() -> http::route_tree<http::routed_ctx<outer_ctx>> {
-      auto handler = [this]<class MemFn>(MemFn member) {
-        return std::bind_front(member, this);
+    catch (std::exception& ex)
+    {
+      // TODO: more detailed problem reporting
+      auto tpl = problem::tpl{
+          .status = bhttp::status::bad_request,
+          .title = translate("Failed to parse GPX file"),
+          .type_uri = "https://routemon.fautchen.eu/problems/gpx-parse-failed",
       };
+      co_return http::problem_rsp(
+          ctx, tpl.instantiate(), http::keep_alive{false});
+    }
 
-      return http::dtree<http::routed_ctx<outer_ctx>>{}.named_subtrees({
-          {"gpx", http::dtree<l0_ctx>{{
-                .post = handler(&handler::handle_process_gpx),
-              }}.no_subtrees()},
-          {"sysinfo", http::dtree<l0_ctx>{{
-                .get = handler(&handler::handle_sysinfo),
-              }}.no_subtrees()},
-        });
+    // TODO: catch handler exceptions and return 500 when raised?
+    // (keep-alive depends on whether whole request was read)
+    auto mres = inner_.process_gpx(std::move(gpx_file));
+    if (!mres)
+    {
+      auto tpl = problem::tpl{
+          .status = bhttp::status::internal_server_error,
+          .title = translate("Internal server error"),
+          .type_uri = "https://routemon.fautchen.eu/problems/"
+                      "internal-server-error",
+      };
+      co_return http::problem_rsp(
+          ctx, tpl.instantiate(), http::keep_alive{true});
     }
-  };
 
-  export class server {
-    handler handler_;
-    http::server<handler::outer_ctx> srv_;
+    auto rsp = http::make_rsp<bhttp::string_body>(
+        bhttp::status::ok, http::keep_alive{true});
+    rsp.set(bhttp::field::content_type, "application/json");
+    rsp.body() = json::serialize(json::value_from(*mres));
+    rsp.prepare_payload();
+    co_return rsp;
+  }
 
-    static auto make_global_middleware() -> http::middleware_t<http::base_ctx, handler::outer_ctx> {
-      return http::middleware_compose<http::base_ctx, http::trace_id_ctx<http::base_ctx>, http::trace_id_ctx<http::base_ctx>>(http::trace_id_middleware<http::base_ctx>, http::lax_cors_middleware<http::trace_id_ctx<http::base_ctx>>);
-    }
+  auto handle_sysinfo(l0_ctx ctx, http::readable_request r)
+      -> net::awaitable<http::presponse>
+  {
+    auto req =
+        co_await http::read_request<bhttp::empty_body>(ctx, std::move(r));
+    auto info = inner_.sysinfo();
+
+    auto rsp = http::make_rsp<bhttp::string_body>(
+        bhttp::status::ok, http::keep_alive{true});
+    rsp.set(bhttp::field::content_type, "application/json");
+    rsp.body() = json::serialize(json::value_from(info));
+    rsp.prepare_payload();
+    co_return rsp;
+  }
 
-  public:
-    server(log::logger const& l, locale::selector&& lsel, api::handler&& inner)
-      : handler_{std::move(inner)}, srv_{l, std::move(lsel), make_global_middleware(), handler_.make_routes()}
-    {}
+public:
+  handler(api::handler&& inner) : inner_{std::move(inner)} {}
+
+  auto make_routes() -> http::route_tree<http::routed_ctx<outer_ctx>>
+  {
+    auto handler = [this]<class MemFn>(MemFn member)
+    { return std::bind_front(member, this); };
+
+    return http::dtree<http::routed_ctx<outer_ctx>>{}.named_subtrees({
+        {"gpx",
+         http::dtree<l0_ctx>{
+             {
+                 .post = handler(&handler::handle_process_gpx),
+             }
+         }.no_subtrees()},
+        {"sysinfo", http::dtree<l0_ctx>{
+                        {
+                            .get = handler(&handler::handle_sysinfo),
+                        }
+                    }.no_subtrees()},
+    });
+  }
+};
+
+export class server
+{
+  handler handler_;
+  http::server<handler::outer_ctx> srv_;
+
+  static auto make_global_middleware()
+      -> http::middleware_t<http::base_ctx, handler::outer_ctx>
+  {
+    return http::middleware_compose<
+        http::base_ctx, http::trace_id_ctx<http::base_ctx>,
+        http::trace_id_ctx<http::base_ctx>>(
+        http::trace_id_middleware<http::base_ctx>,
+        http::lax_cors_middleware<http::trace_id_ctx<http::base_ctx>>);
+  }
 
-    auto spawn(net::io_context& ioc) -> void {
-      srv_.spawn(ioc);
-    }
-  };
+public:
+  server(log::logger const& l, locale::selector&& lsel, api::handler&& inner)
+    : handler_{std::move(inner)},
+      srv_{l, std::move(lsel), make_global_middleware(), handler_.make_routes()}
+  {
+  }
+
+  auto spawn(net::io_context& ioc) -> void { srv_.spawn(ioc); }
+};
 
 } // namespace routemon::srv
-- 
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