From 9bdb585a93f824223f20f248e1411ba6da760624 Mon Sep 17 00:00:00 2001
From: Diva Canto
Date: Mon, 28 Sep 2009 10:56:05 -0700
Subject: Added Protocol versions back, this time in a range model.
---
OpenSim/Server/Base/ProtocolVersions.cs | 56 ++++++++++++++++++++++
.../Server/Handlers/Grid/GridServerPostHandler.cs | 18 +++++++
.../Connectors/Grid/GridServiceConnector.cs | 3 +-
3 files changed, 76 insertions(+), 1 deletion(-)
create mode 100644 OpenSim/Server/Base/ProtocolVersions.cs
diff --git a/OpenSim/Server/Base/ProtocolVersions.cs b/OpenSim/Server/Base/ProtocolVersions.cs
new file mode 100644
index 0000000..6df27b7
--- /dev/null
+++ b/OpenSim/Server/Base/ProtocolVersions.cs
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the OpenSimulator Project nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OpenSim.Server.Base
+{
+ public class ProtocolVersions
+ {
+ ///
+ /// This is the external protocol versions. It is separate from the OpenSimulator project version.
+ ///
+ /// These version numbers should be increased by 1 every time a code
+ /// change in the Service.Connectors and Server.Handlers, espectively,
+ /// makes the previous OpenSimulator revision incompatible
+ /// with the new revision.
+ ///
+ /// Changes which are compatible with an older revision (e.g. older revisions experience degraded functionality
+ /// but not outright failure) do not need a version number increment.
+ ///
+ /// Having this version number allows the grid service to reject connections from regions running a version
+ /// of the code that is too old.
+ ///
+ ///
+
+ // The range of acceptable servers for client-side connectors
+ public readonly static int ClientProtocolVersionMin = 0;
+ public readonly static int ClientProtocolVersionMax = 0;
+
+ // The range of acceptable clients in server-side handlers
+ public readonly static int ServerProtocolVersionMin = 0;
+ public readonly static int ServerProtocolVersionMax = 0;
+ }
+}
diff --git a/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
index 711639f..3d72fec 100644
--- a/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
+++ b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
@@ -118,6 +118,24 @@ namespace OpenSim.Server.Handlers.Grid
else
m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to register region");
+ int versionNumberMin = 0, versionNumberMax = 0;
+ if (request.ContainsKey("VERSIONMIN"))
+ Int32.TryParse(request["VERSIONMIN"], out versionNumberMin);
+ else
+ m_log.WarnFormat("[GRID HANDLER]: no minimum protocol version in request to register region");
+
+ if (request.ContainsKey("VERSIONMAX"))
+ Int32.TryParse(request["VERSIONMAX"], out versionNumberMax);
+ else
+ m_log.WarnFormat("[GRID HANDLER]: no maximum protocol version in request to register region");
+
+ // Check the protocol version
+ if ((versionNumberMin > ProtocolVersions.ServerProtocolVersionMax && versionNumberMax < ProtocolVersions.ServerProtocolVersionMax))
+ {
+ // Can't do, there is no overlap in the acceptable ranges
+ FailureResult();
+ }
+
Dictionary rinfoData = new Dictionary();
foreach (KeyValuePair kvp in request)
rinfoData[kvp.Key] = kvp.Value;
diff --git a/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs b/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
index 748892a..ba46b0d 100644
--- a/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
@@ -94,7 +94,8 @@ namespace OpenSim.Services.Connectors
sendData[kvp.Key] = (string)kvp.Value;
sendData["SCOPEID"] = scopeID.ToString();
-
+ sendData["VERSIONMIN"] = ProtocolVersions.ClientProtocolVersionMin.ToString();
+ sendData["VERSIONMAX"] = ProtocolVersions.ClientProtocolVersionMax.ToString();
sendData["METHOD"] = "register";
string reqString = ServerUtils.BuildQueryString(sendData);
--
cgit v1.1