tmp3

.devcontainer/Dockerfile

@@ -10,7 +10,7 @@ FROM archlinux@sha256:a10e51dd0694d6c4142754e9d06cbce7baf91ace8031a30df37064d109
 RUN pacman -Syyu --noconfirm \
     && pacman -Syyu --noconfirm git less vim sudo python-pip wget which pkgconf \
     && pacman -Syyu --noconfirm cmake make gcc ninja meson shellcheck \
-    && pacman -Syyu --noconfirm gtk4 gtkmm-4.0 boost spdlog fmt libxml++-5.0
+    && pacman -Syyu --noconfirm gtk4 gtkmm-4.0 boost spdlog fmt libxml++-5.0 gtest
 
 # Create a non-root user 'dev'
 RUN useradd -ms /bin/bash dev \
@@ -37,23 +37,25 @@ ADD https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VER}/L
 
 # Create the LLVM directory and extract only binaries into it
 RUN sudo mkdir -p /home/LLVM-${LLVM_VER}
-RUN sudo tar -xJf /home/artifacts/LLVM-${LLVM_VER}-Linux-X64.tar.xz -C /home/LLVM-${LLVM_VER} --strip-components=1 \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang-19                 \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang                    \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang++                  \
-    LLVM-${LLVM_VER}-Linux-X64/bin/lld                      \
-    LLVM-${LLVM_VER}-Linux-X64/bin/ld.lld                   \
-    LLVM-${LLVM_VER}-Linux-X64/bin/ld64.lld                 \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang-scan-deps          \
-    LLVM-${LLVM_VER}-Linux-X64/bin/llvm-symbolizer          \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang-format             \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang-tidy               \
-    LLVM-${LLVM_VER}-Linux-X64/bin/clang-apply-replacements \
-    LLVM-${LLVM_VER}-Linux-X64/include/                     \
-    LLVM-${LLVM_VER}-Linux-X64/lib/                         \
-    LLVM-${LLVM_VER}-Linux-X64/libexec/                     \
-    LLVM-${LLVM_VER}-Linux-X64/local/                       \
-    LLVM-${LLVM_VER}-Linux-X64/share/
+RUN sudo tar -xJf /home/artifacts/LLVM-${LLVM_VER}-Linux-X64.tar.xz -C /home/LLVM-${LLVM_VER} --strip-components=1
+#RUN sudo tar -xJf /home/artifacts/LLVM-${LLVM_VER}-Linux-X64.tar.xz -C /home/LLVM-${LLVM_VER} --strip-components=1 \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clangd                   \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang-19                 \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang                    \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang++                  \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/lld                      \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/ld.lld                   \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/ld64.lld                 \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang-scan-deps          \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/llvm-symbolizer          \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang-format             \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang-tidy               \
+#    LLVM-${LLVM_VER}-Linux-X64/bin/clang-apply-replacements \
+#    LLVM-${LLVM_VER}-Linux-X64/include/                     \
+#    LLVM-${LLVM_VER}-Linux-X64/lib/                         \
+#    LLVM-${LLVM_VER}-Linux-X64/libexec/                     \
+#    LLVM-${LLVM_VER}-Linux-X64/local/                       \
+#    LLVM-${LLVM_VER}-Linux-X64/share/
 
 # Add /home/LLVM-${LLVM_VER}/bin to the PATH environment variable
 ENV PATH="/home/LLVM-${LLVM_VER}/bin:${PATH}"

examples/src/connect.cpp

@@ -1,3 +1,4 @@
+#include <spdlog/common.h>
 #include <spdlog/spdlog.h>
 
 #include <boost/asio/co_spawn.hpp>
@@ -7,6 +8,8 @@
 #include <larra/printer_stream.hpp>
 #include <print>
 
+namespace iq = larra::xmpp::iq;
+
 auto Coroutine() -> boost::asio::awaitable<void> {
   SPDLOG_INFO("Connecting client...");
 
@@ -14,11 +17,28 @@ auto Coroutine() -> boost::asio::awaitable<void> {
     auto client = co_await larra::xmpp::client::CreateClient<larra::xmpp::PrintStream<boost::asio::ip::tcp::socket>>(
         larra::xmpp::PlainUserAccount{.jid = {.username = "test1", .server = "localhost"}, .password = "test1"},
         {.useTls = larra::xmpp::client::Options::kNever});
+
+    // TODO(unknown): 
+    // rfc6120 7.1
+    // After a client authenticates with a server,
+    // it MUST bind a specific resource to the stream so that the server can properly address the client.
+
     co_await std::visit(
         [](auto& client) -> boost::asio::awaitable<void> {
+          co_await client.UpdateListOfContacts();
+        },
+        client);
+
+    // rfc6120 2.2
+    // Upon authenticating with a server and binding a resource (thus becoming a connected resource as defined in [XMPP‑CORE]),
+    // a client SHOULD request the roster before sending initial presence
+    co_await std::visit(
+        [](auto& client) -> boost::asio::awaitable<void> {
+          SPDLOG_INFO("Send presence: Available");
           co_await client.Send(larra::xmpp::presence::c2s::Available{});
         },
         client);
+
   } catch(const std::exception& err) {
     SPDLOG_ERROR("{}", err.what());
     co_return;
@@ -27,7 +47,7 @@ auto Coroutine() -> boost::asio::awaitable<void> {
 }
 
 auto main() -> int {
-  spdlog::set_level(spdlog::level::trace);
+  spdlog::set_level(spdlog::level::debug);
   boost::asio::io_context io_context;
   boost::asio::co_spawn(io_context, Coroutine(), boost::asio::detached);
   io_context.run();

library/include/larra/client/client.hpp

@@ -21,6 +21,14 @@
 #include <larra/user_account.hpp>
 #include <larra/xml_stream.hpp>
 #include <ranges>
+#include <utility>
+#include "larra/iq.hpp"
+#include "larra/roster.hpp"
+
+namespace rng = std::ranges;
+namespace views = std::views;
+namespace iq = larra::xmpp::iq;
+
 namespace larra::xmpp {
 
 constexpr auto kDefaultXmppPort = 5222;
@@ -29,9 +37,6 @@ constexpr auto kDefaultXmppPort = 5222;
 
 namespace larra::xmpp::client {
 
-namespace rng = std::ranges;
-namespace views = std::views;
-
 template <typename Connection>
 struct Client {
   constexpr Client(BareJid jid, XmlStream<Connection> connection) : jid(std::move(jid)), connection(std::move(connection)) {};
@@ -71,6 +76,24 @@ struct Client {
   [[nodiscard]] constexpr auto Jid() const -> const BareJid& {
     return this->jid;
   }
+  
+  auto UpdateListOfContacts() -> boost::asio::awaitable<void> {
+    SPDLOG_INFO("Send IQ: Get::Roster");
+    co_await std::visit(
+      [&](auto&& query) -> boost::asio::awaitable<void> {
+        co_await this->Send(query);
+      }, ::iq::MakeGetRoster(jid));
+    
+
+    //IqRoster roster = co_await connection.template Read<IqRoster>();
+    //const auto& roster_result = std::get<::iq::ResultRoster>(roster);
+    ::iq::ResultRoster roster_result = co_await connection.template Read<::iq::ResultRoster>();
+    for (const auto& jid : roster_result.payload.items) {
+      SPDLOG_INFO("\t'{}'", ToString(jid));
+    }
+    co_return;
+  }
+
 
  private:
   bool active = true;

library/include/larra/iq.hpp

@@ -2,6 +2,7 @@
 #include <larra/serialization.hpp>
 #include <larra/stream_error.hpp>
 #include <larra/utils.hpp>
+#include <optional>
 #include <string>
 
 namespace larra::xmpp {
@@ -11,6 +12,8 @@ namespace iq {
 template <auto& Name, typename PayloadType>
 struct BaseImplWithPayload {
   std::string id;
+  std::optional<std::string> from{};
+  std::optional<std::string> to{};
   PayloadType payload;
   static const inline std::string kName = Name;
   static constexpr auto kDefaultName = "iq";
@@ -19,16 +22,32 @@ struct BaseImplWithPayload {
   [[nodiscard]] constexpr auto Id(this Self&& self, std::string id) -> std::decay_t<Self> {
     return utils::FieldSetHelper::With<"id", BaseImplWithPayload>(std::forward<Self>(self), std::move(id));
   }
+  template <typename Self>
+  [[nodiscard]] constexpr auto To(this Self&& self, std::string to) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"to", BaseImplWithPayload>(std::forward<Self>(self), std::move(to));
+  }
+  template <typename Self>
+  [[nodiscard]] constexpr auto From(this Self&& self, std::string from) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"from", BaseImplWithPayload>(std::forward<Self>(self), std::move(from));
+  }
   template <typename NewPayloadType, typename Self>
   [[nodiscard]] constexpr auto Payload(this Self&& self, NewPayloadType value) {
     return utils::FieldSetHelper::With<"payload", BaseImplWithPayload, false>(std::forward<Self>(self), std::move(value));
   }
   friend constexpr auto operator<<(xmlpp::Element* element, const BaseImplWithPayload& self) {
     element->set_attribute("id", self.id);
+
+    if (self.to) {
+      element->set_attribute("to", *self.to);
+    }
+    if (self.from) {
+      element->set_attribute("from", *self.from);
+    }
     element->set_attribute("type", kName);
     using S = Serialization<PayloadType>;
     S::Serialize(element->add_child_element(S::kDefaultName, S::kPrefix), self.payload);
   }
+
   [[nodiscard]] static constexpr auto Parse(xmlpp::Element* element) -> BaseImplWithPayload {
     auto node = element->get_attribute("type");
     if(!node) {
@@ -41,6 +60,9 @@ struct BaseImplWithPayload {
     if(!idNode) {
       throw std::runtime_error("Not found attribute id for parse Iq");
     }
+    auto from = element->get_attribute("from");
+    auto to = element->get_attribute("to");
+    
 
     using S = Serialization<PayloadType>;
     auto payload = element->get_first_child(S::kDefaultName);
@@ -51,7 +73,11 @@ struct BaseImplWithPayload {
     if(!payload2) {
       throw std::runtime_error("Invalid payload for parse Iq");
     }
-    return {.id = idNode->get_value(), .payload = S::Parse(payload2)};
+    return {
+      .id = idNode->get_value(),
+      .from = (from ? std::optional{from->get_value()} : std::nullopt),
+      .to = (to ? std::optional{to->get_value()} : std::nullopt),
+      .payload = S::Parse(payload2)};
   }
 };
 static constexpr auto kGetName = "get";

library/include/larra/roster.hpp

@@ -0,0 +1,56 @@
+#pragma once
+#include <libxml++/libxml++.h>
+#include <spdlog/spdlog.h>
+
+#include <larra/jid.hpp>
+#include <ranges>
+#include <vector>
+#include <larra/iq.hpp>
+
+namespace larra::xmpp::iq {
+
+struct Roster {
+  static constexpr auto kDefaultName = "query";
+  static constexpr auto kDefaultNamespace = "jabber:iq:roster";
+
+  std::vector<BareJid> items;
+
+  friend constexpr auto operator<<(xmlpp::Element* element, const Roster& roster) {
+    element->set_attribute("xmlns", "jabber:iq:roster");
+  }
+  [[nodiscard]] static constexpr auto Parse(xmlpp::Element* element) -> Roster {
+    const auto& item_nodes = element->get_children("item");
+    if(item_nodes.empty()) {
+      SPDLOG_DEBUG("No items at Iq::Roster");
+    }
+
+    return {
+      .items = item_nodes
+        | std::views::transform([](const xmlpp::Node* node) {
+          auto item_element = dynamic_cast<const xmlpp::Element*>(node);
+          if (!item_element) {
+            throw std::runtime_error("Can't convert xmlpp::Node to xmlpp::Element");
+          }
+
+          auto jid_ptr = item_element->get_attribute("jid");
+          if (!jid_ptr) {
+            throw std::runtime_error("Not found attribute 'jid' for parse Roster item");
+          }
+
+          return BareJid::Parse(jid_ptr->get_value());
+        })
+        | std::ranges::to<std::vector<BareJid>>()};
+  }
+
+};
+
+using GetRoster = Get<Roster>;
+using ResultRoster = Result<Roster>;
+using IqRoster = Iq<Roster>;
+
+auto MakeGetRoster(const BareJid& jid) {
+  IqRoster iq_roster{std::in_place_type<GetRoster>, GetRoster{.id="1", .from=ToString(jid), .payload=Roster{}}};
+  return iq_roster;
+}
+
+}  // namespace larra::xmpp::iq

library/include/larra/serialization.hpp

@@ -87,6 +87,10 @@ struct SerializationBase {
                  }) {
       return T::StartCheck(element);
     } else {
+      if (element)
+      {
+        SPDLOG_DEBUG("kDefaultName: {}, get_name: {}", kDefaultName, element->get_name());
+      }
       return element && element->get_name() == kDefaultName;
     }
   };