Add command to change server info keys on live servers

- Ability to modify some existing keys (sort, status, name, location,
and type).
- Ability to add, modify, and remove extra keys.

server/server.cpp

@@ -289,6 +289,22 @@ void Server::OnCommand(const std::string command, const json::JsonMap *map) {
         json::JsonString *name = (json::JsonString *)objN;
         json::JsonString *message = (json::JsonString *)objM;
         lobby_.SendAdminChat(name->GetString(), message->GetString());
+    } else if (command == "setinfo") {
+        const json::JsonObject *objK = map->GetObject("key");
+        if (objK == NULL || objK->type() != json::JSONTYPE_STRING) {
+            return;
+        }
+        const json::JsonObject *objV = map->GetObject("value");
+        if (objV == NULL || objV->type() != json::JSONTYPE_STRING) {
+            return;
+        }
+
+        json::JsonString *key = (json::JsonString *)objK;
+        json::JsonString *value = (json::JsonString *)objV;
+
+        if (updater_ != NULL) {
+            updater_->SetInfo(key->GetString(), value->GetString());
+        }
     }
 }
 

server/serverinfoupdater.cpp

@@ -185,4 +185,31 @@ void ServerInfoUpdater::ParseExtra(const std::string& extra_json) {
     delete map;
 }
 
+void ServerInfoUpdater::SetInfo(const std::string key, const std::string value) {
+    if (key == "sort") {
+        int n = 0;
+        base::Format::ToInteger(value.c_str(), 10, &n);
+        sort_key_ = n;
+    } else if (key == "status") {
+        if (value == "drain") {
+            drain_ = true;
+        }
+        if (value == "undrain" || value == "ok") {
+            drain_ = false;
+        }
+    } else if (key == "name") {
+        server_name_ = value;
+    } else if (key == "location") {
+        server_location_ = value;
+    } else if (key == "type") {
+        server_type_ = value;
+    } else {
+        if (value.empty()) {
+            extra_.erase(key);
+        } else {
+            extra_[key] = value;
+        }
+    }
+}
+
 } // namespace wi

server/serverinfoupdater.h

@@ -33,6 +33,7 @@ public:
     ~ServerInfoUpdater();
 
     void Start();
+    void SetInfo(const std::string key, const std::string value);
 
     void set_drain() { drain_ = true; }
     void clear_drain() { drain_ = false; }