agent version

Signed-off-by: turuslan <turuslan.devbox@gmail.com>

include/libp2p/host/basic_host/basic_host.hpp

@@ -8,8 +8,8 @@
 
 #include <libp2p/event/bus.hpp>
 #include <libp2p/host/host.hpp>
-#include <libp2p/peer/identity_manager.hpp>
 #include <libp2p/network/transport_manager.hpp>
+#include <libp2p/peer/identity_manager.hpp>
 
 namespace libp2p::host {
 
@@ -28,7 +28,8 @@ namespace libp2p::host {
               std::unique_ptr<network::Network> network,
               std::unique_ptr<peer::PeerRepository> repo,
               std::shared_ptr<event::Bus> bus,
-              std::shared_ptr<network::TransportManager> transport_manager);
+              std::shared_ptr<network::TransportManager> transport_manager,
+              Libp2pClientVersion libp2p_client_version);
 
     std::string_view getLibp2pVersion() const override;
 
@@ -96,6 +97,7 @@ namespace libp2p::host {
     std::unique_ptr<peer::PeerRepository> repo_;
     std::shared_ptr<event::Bus> bus_;
     std::shared_ptr<network::TransportManager> transport_manager_;
+    Libp2pClientVersion libp2p_client_version_;
   };
 
 }  // namespace libp2p::host

include/libp2p/host/host.hpp

@@ -23,6 +23,10 @@
 #include <libp2p/protocol/base_protocol.hpp>
 
 namespace libp2p {
+  struct Libp2pClientVersion {
+    std::string _;
+  };
+
   /**
    * Main class, which represents single peer in p2p network.
    *
@@ -198,8 +202,8 @@ namespace libp2p {
      * @param protocol "speak" using this protocol
      * @param handler callback, will be executed on success or fail
      */
-    virtual void newStream(
-        const peer::PeerId &peer_id, const peer::Protocol &protocol,
+    virtual void newStream(const peer::PeerId &peer_id,
+                           const peer::Protocol &protocol,
                            const StreamResultHandler &handler) = 0;
 
     /**

include/libp2p/injector/host_injector.hpp

@@ -17,6 +17,10 @@
 #include <libp2p/protocol/common/asio/asio_scheduler.hpp>
 
 namespace libp2p::injector {
+  inline auto useLibp2pClientVersion(Libp2pClientVersion _) {
+    return boost::di::bind<Libp2pClientVersion>().template to(
+        std::move(_))[boost::di::override];
+  }
 
   template <typename InjectorConfig = BOOST_DI_CFG, typename... Ts>
   inline auto makeHostInjector(Ts &&...args) {
@@ -35,6 +39,8 @@ namespace libp2p::injector {
         di::bind<protocol::SchedulerConfig>.template to(protocol::SchedulerConfig {}),
         di::bind<protocol::Scheduler>.template to<protocol::AsioScheduler>(),
 
+        di::bind<Libp2pClientVersion>.template to(Libp2pClientVersion{"libp2p"}),
+
         di::bind<Host>.template to<host::BasicHost>(),
 
         // user-defined overrides...

src/host/basic_host/basic_host.cpp

@@ -16,12 +16,14 @@ namespace libp2p::host {
       std::unique_ptr<network::Network> network,
       std::unique_ptr<peer::PeerRepository> repo,
       std::shared_ptr<event::Bus> bus,
-      std::shared_ptr<network::TransportManager> transport_manager)
+      std::shared_ptr<network::TransportManager> transport_manager,
+      Libp2pClientVersion libp2p_client_version)
       : idmgr_(std::move(idmgr)),
         network_(std::move(network)),
         repo_(std::move(repo)),
         bus_(std::move(bus)),
-        transport_manager_(std::move(transport_manager)) {
+        transport_manager_(std::move(transport_manager)),
+        libp2p_client_version_(std::move(libp2p_client_version)) {
     BOOST_ASSERT(idmgr_ != nullptr);
     BOOST_ASSERT(network_ != nullptr);
     BOOST_ASSERT(repo_ != nullptr);
@@ -34,7 +36,7 @@ namespace libp2p::host {
   }
 
   std::string_view BasicHost::getLibp2pClientVersion() const {
-    return "libp2p";
+    return libp2p_client_version_._;
   }
 
   peer::PeerId BasicHost::getId() const {

test/acceptance/p2p/host/basic_host_test.cpp

@@ -47,7 +47,8 @@ struct BasicHostTest : public ::testing::Test {
       idmgr, std::make_unique<network::NetworkMock>(),
       std::make_unique<peer::PeerRepositoryMock>(),
       std::make_shared<libp2p::event::Bus>(),
-      std::make_shared<libp2p::network::TransportManagerMock>());
+      std::make_shared<libp2p::network::TransportManagerMock>(),
+      Libp2pClientVersion{});
 
   peer::PeerRepositoryMock &repo =
       (peer::PeerRepositoryMock &)host->getPeerRepository();

test/acceptance/p2p/host/peer/test_peer.cpp

@@ -183,7 +183,7 @@ Peer::sptr<host::BasicHost> Peer::makeHost(const crypto::KeyPair &keyPair) {
   auto peer_repo = std::make_unique<peer::PeerRepositoryImpl>(
       std::move(addr_repo), std::move(key_repo), std::move(protocol_repo));
 
-  return std::make_shared<host::BasicHost>(idmgr, std::move(network),
-                                           std::move(peer_repo), std::move(bus),
-                                           std::move(tmgr));
+  return std::make_shared<host::BasicHost>(
+      idmgr, std::move(network), std::move(peer_repo), std::move(bus),
+      std::move(tmgr), Libp2pClientVersion{});
 }