Add report_player network capabilities

data/stk_config.xml

@@ -581,4 +581,9 @@
                      max-adjust-time="2.0"
                      adjust-length-threshold="4.0"/>
 
+  <!-- List of network capabilities to handle different servers with same version.
+  -->
+  <network-capabilities>
+      <capabilities name="report_player"/>
+  </network-capabilities>
 </config>

src/config/stk_config.cpp

@@ -539,6 +539,18 @@ void STKConfig::getAllData(const XMLNode * root)
         ns->get("adjust-length-threshold", &m_snb_adjust_length_threshold);
     }
 
+    if (const XMLNode* nc = root->getNode("network-capabilities"))
+    {
+        for (unsigned int i = 0; i < nc->getNumNodes(); i++)
+        {
+            const XMLNode* name = nc->getNode(i);
+            std::string cap;
+            name->get("name", &cap);
+            if (!cap.empty())
+                m_network_capabilities.insert(cap);
+        }
+    }
+
     // Get the default KartProperties
     // ------------------------------
     const XMLNode *node = root -> getNode("general-kart-defaults");

src/config/stk_config.hpp

@@ -31,9 +31,10 @@
 #include "utils/no_copy.hpp"
 
 #include "utils/constants.hpp"
-#include <vector>
-#include <string>
 #include <map>
+#include <set>
+#include <string>
+#include <vector>
 
 class KartProperties;
 class MusicInformation;
@@ -229,6 +230,10 @@ public:
     /** If true we allow all the server urls to be redirected by the news.xml. */
     bool m_allow_news_redirects = true;
 
+    /** List of network capabilities to handle different servers with same
+     *  version. */
+    std::set<std::string> m_network_capabilities;
+
 private:
     /** True if stk_config has been loaded. This is necessary if the
      *  --stk-config command line parameter has been specified to avoid

src/network/network_config.hpp

@@ -27,6 +27,7 @@
 #include "utils/no_copy.hpp"
 
 #include "irrString.h"
+#include <set>
 #include <tuple>
 #include <vector>
 
@@ -95,7 +96,7 @@ private:
 
     /** List of server capabilities set when joining it, to determine features
      *  available in same version. */
-    std::vector<std::string> m_server_capabilities;
+    std::set<std::string> m_server_capabilities;
 
 public:
     /** Singleton get, which creates this object if necessary. */
@@ -236,12 +237,12 @@ public:
     // ------------------------------------------------------------------------
     bool roundValuesNow() const;
     // ------------------------------------------------------------------------
-    void setServerCapabilities(std::vector<std::string>& caps)
+    void setServerCapabilities(std::set<std::string>& caps)
                                    { m_server_capabilities = std::move(caps); }
     // ------------------------------------------------------------------------
     void clearServerCapabilities()           { m_server_capabilities.clear(); }
     // ------------------------------------------------------------------------
-    const std::vector<std::string>& getServerCapabilities() const
+    const std::set<std::string>& getServerCapabilities() const
                                               { return m_server_capabilities; }
 
 };   // class NetworkConfig

src/network/protocols/client_lobby.cpp

@@ -360,8 +360,9 @@ void ClientLobby::update(int ticks)
         ns->addUInt8(LE_CONNECTION_REQUESTED)
             .addUInt32(ServerConfig::m_server_version)
             .encodeString(StringUtils::getUserAgentString())
-            // Reserved for future to supply list of network capabilities
-            .addUInt16(0);
+            .addUInt16((uint16_t)stk_config->m_network_capabilities.size());
+        for (const std::string& cap : stk_config->m_network_capabilities)
+            ns->encodeString(cap);
 
         auto all_k = kart_properties_manager->getAllAvailableKarts();
         auto all_t = track_manager->getAllTrackIdentifiers();
@@ -606,12 +607,12 @@ void ClientLobby::connectionAccepted(Event* event)
     m_state.store(CONNECTED);
 
     unsigned list_caps = data.getUInt16();
-    std::vector<std::string> caps;
+    std::set<std::string> caps;
     for (unsigned i = 0; i < list_caps; i++)
     {
         std::string cap;
         data.decodeString(&cap);
-        caps.push_back(cap);
+        caps.insert(cap);
     }
     NetworkConfig::get()->setServerCapabilities(caps);
 

src/network/protocols/server_lobby.cpp

@@ -2590,12 +2590,12 @@ void ServerLobby::connectionRequested(Event* event)
     event->getPeer()->setUserVersion(user_version);
 
     unsigned list_caps = data.getUInt16();
-    std::vector<std::string> caps;
+    std::set<std::string> caps;
     for (unsigned i = 0; i < list_caps; i++)
     {
         std::string cap;
         data.decodeString(&cap);
-        caps.push_back(cap);
+        caps.insert(cap);
     }
     event->getPeer()->setClientCapabilities(caps);
 
@@ -2843,8 +2843,10 @@ void ServerLobby::handleUnencryptedConnection(std::shared_ptr<STKPeer> peer,
     message_ack->addUInt8(LE_CONNECTION_ACCEPTED).addUInt32(peer->getHostId())
         .addUInt32(ServerConfig::m_server_version);
 
-    // Reserved for future to supply list of network capabilities
-    message_ack->addUInt16(0);
+    message_ack->addUInt16(
+        (uint16_t)stk_config->m_network_capabilities.size());
+    for (const std::string& cap : stk_config->m_network_capabilities)
+        message_ack->encodeString(cap);
 
     message_ack->addFloat(auto_start_timer)
         .addUInt32(ServerConfig::m_state_frequency)

src/network/stk_peer.hpp

@@ -102,7 +102,7 @@ protected:
 
     /** List of client capabilities set when connecting it, to determine
      *  features available in same version. */
-    std::vector<std::string> m_client_capabilities;
+    std::set<std::string> m_client_capabilities;
 
 public:
     STKPeer(ENetPeer *enet_peer, STKHost* host, uint32_t host_id);
@@ -236,10 +236,10 @@ public:
         return (int)(diff / 1000);
     }
     // ------------------------------------------------------------------------
-    void setClientCapabilities(std::vector<std::string>& caps)
+    void setClientCapabilities(std::set<std::string>& caps)
                                    { m_client_capabilities = std::move(caps); }
     // ------------------------------------------------------------------------
-    const std::vector<std::string>& getClientCapabilities() const
+    const std::set<std::string>& getClientCapabilities() const
                                               { return m_client_capabilities; }
 };   // STKPeer