From 17498a97a289119debdb651ab898ddea99e86ff9 Mon Sep 17 00:00:00 2001
From: Mattes D <github@xoft.cz>
Date: Thu, 29 Jan 2015 11:09:56 +0100
Subject: cNetwork: Exported lookup functions to Lua API.

Also added an example in the NetworkTest plugin.
---
 MCServer/Plugins/NetworkTest/Info.lua        | 21 ++++++++++++++
 MCServer/Plugins/NetworkTest/NetworkTest.lua | 42 ++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

(limited to 'MCServer/Plugins')

diff --git a/MCServer/Plugins/NetworkTest/Info.lua b/MCServer/Plugins/NetworkTest/Info.lua
index 6bb639860..8c2604e31 100644
--- a/MCServer/Plugins/NetworkTest/Info.lua
+++ b/MCServer/Plugins/NetworkTest/Info.lua
@@ -36,6 +36,27 @@ g_PluginInfo =
 						},
 					},  -- ParameterCombinations
 				},  -- client
+				
+				lookup =
+				{
+					HelpString = "Looks up the IP addresses corresponding to the given hostname  (google.com by default)",
+					Handler = HandleConsoleNetLookup,
+					ParameterCombinations =
+					{
+						{
+							Params = "",
+							Help = "Looks up the IP addresses of google.com.",
+						},
+						{
+							Params = "Hostname",
+							Help = "Looks up the IP addresses of the specified hostname.",
+						},
+						{
+							Params = "IP",
+							Help = "Looks up the canonical name of the specified IP.",
+						},
+					},
+				},  -- lookup
 			},  -- Subcommands
 		},  -- net
 	},
diff --git a/MCServer/Plugins/NetworkTest/NetworkTest.lua b/MCServer/Plugins/NetworkTest/NetworkTest.lua
index 1a24d4865..30f34c879 100644
--- a/MCServer/Plugins/NetworkTest/NetworkTest.lua
+++ b/MCServer/Plugins/NetworkTest/NetworkTest.lua
@@ -61,3 +61,45 @@ end
 
 
 
+
+function HandleConsoleNetLookup(a_Split)
+	-- Get the name to look up:
+	local Addr = a_Split[3] or "google.com"
+	
+	-- Create the callbacks "personalised" for the host:
+	local Callbacks =
+	{
+		OnNameResolved = function (a_Hostname, a_IP)
+			LOG(a_Hostname .. " resolves to " .. a_IP)
+		end,
+		
+		OnError = function (a_Query, a_ErrorCode, a_ErrorMsg)
+			LOG("Failed to retrieve information for " .. a_Query .. ": " .. a_ErrorCode .. " (" .. a_ErrorMsg .. ")")
+			assert(a_Query == Addr)
+		end,
+		
+		OnFinished = function (a_Query)
+			LOG("Resolving " .. a_Query .. " has finished.")
+			assert(a_Query == Addr)
+		end,
+	}
+	
+	-- Queue both name and IP DNS queries;
+	-- we don't distinguish between an IP and a hostname in this command so we don't know which one to use:
+	local res = cNetwork:HostnameToIP(Addr, Callbacks)
+	if not(res) then
+		LOGWARNING("cNetwork:HostnameToIP call failed immediately")
+		return true
+	end
+	res = cNetwork:IPToHostname(Addr, Callbacks)
+	if not(res) then
+		LOGWARNING("cNetwork:IPToHostname call failed immediately")
+		return true
+	end
+	
+	return true, "DNS query has been queued."
+end
+
+
+
+
-- 
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