OpenSimulator GForge > Projects > Cable Beach Asset Server > SVN

Annotation of /trunk/AssetClient/Program.cs

1 :	jhurliman	8	using System;
2 :			using System.Collections.Generic;
3 :			using System.IO;
4 :			using OpenMetaverse;
5 :	jhurliman	11	using OpenMetaverse.StructuredData;
6 :	jhurliman	8
7 :			namespace AssetClient
8 :			{
9 :			public class Program
10 :			{
11 :			static int verbosity;
12 :			static NDesk.Options.OptionSet argParser;
13 :
14 :			static void Main(string[] args)
15 :			{
16 :			bool showhelp = false;
17 :			string assetIDString = null;
18 :			string inputFile = null;
19 :			string operation = null;
20 :			string outputFile = null;
21 :
22 :			argParser = new NDesk.Options.OptionSet()
23 :			.Add("a\|assetid=", "asset ID to fetch data or metadata for", delegate(string v) { assetIDString = v; })
24 :			.Add("h\|?\|help", delegate(string v) { showhelp = (v != null); })
25 :			.Add("i\|input-file=", "asset data to upload with createasset", delegate(string v) { inputFile = v; })
26 :			.Add("o\|operation=", "data\|metadata\|createasset (default is 'data')", delegate(string v) { operation = v; })
27 :			.Add("O\|output-file=", "file to write fetched data to. If 'default', the asset ID will be used as the filename", delegate(string v) { outputFile = v; })
28 :			.Add("v\|verbose", delegate(string v) { if (v != null) ++verbosity; });
29 :			argParser.Parse(args);
30 :
31 :			if (!showhelp)
32 :			{
33 :			UUID assetID;
34 :
35 :			if (operation == null)
36 :			operation = "data";
37 :
38 :			switch (operation)
39 :			{
40 :			case "data":
41 :			if (UUID.TryParse(assetIDString, out assetID))
42 :			FetchData(assetID, outputFile);
43 :			else
44 :			ShowHelp();
45 :			break;
46 :			case "metadata":
47 :			if (UUID.TryParse(assetIDString, out assetID))
48 :			FetchMetadata(assetID, outputFile);
49 :			else
50 :			ShowHelp();
51 :			break;
52 :			case "createasset":
53 :			Console.WriteLine("createasset operation is currently not supported");
54 :			break;
55 :			default:
56 :			Console.WriteLine("Unrecognized operation: " + operation);
57 :			break;
58 :			}
59 :			}
60 :			else
61 :			{
62 :			ShowHelp();
63 :			}
64 :			}
65 :
66 :			static void FetchData(UUID assetID, string outputFile)
67 :			{
68 :	jhurliman	11	// Fetch the metadata first to locate this asset, then fetch the actual asset
69 :			byte[] data;
70 :			if (AssetClient.TryGetMetadata(assetID, out data))
71 :			{
72 :	jhurliman	12	OSD metadata = OSDParser.DeserializeLLSDXml(data);
73 :			OSDMap map = (OSDMap)metadata;
74 :	jhurliman	11
75 :			string assetURL = map["asset_url"].AsString();
76 :
77 :			FetchData(assetID, assetURL, outputFile);
78 :			}
79 :			}
80 :
81 :			static void FetchData(UUID assetID, string assetURL, string outputFile)
82 :			{
83 :	jhurliman	8	if (verbosity > 0)
84 :	jhurliman	11	Console.WriteLine(String.Format("Starting data fetch for asset {0} from {1}", assetID, assetURL));
85 :	jhurliman	8
86 :			Asset asset;
87 :	jhurliman	11	if (AssetClient.TryGetAsset(assetID, assetURL, out asset))
88 :	jhurliman	8	{
89 :			if (verbosity > 0)
90 :			{
91 :			Console.WriteLine(String.Format("Downloaded a {0} byte asset of type {1}",
92 :			asset.AssetData.Length, asset.AssetType));
93 :			}
94 :
95 :			try
96 :			{
97 :			Stream outStream;
98 :
99 :			if (outputFile == "default")
100 :			outputFile = GetDefaultFilename(asset);
101 :
102 :			if (!String.IsNullOrEmpty(outputFile))
103 :			outStream = File.Open(outputFile, FileMode.Create, FileAccess.Write);
104 :			else
105 :			outStream = Console.OpenStandardOutput();
106 :
107 :			int pos = 0;
108 :			while (pos < asset.AssetData.Length)
109 :			{
110 :			int len = (asset.AssetData.Length - pos < 1024) ? asset.AssetData.Length - pos : 1024;
111 :			outStream.Write(asset.AssetData, pos, len);
112 :			pos += len;
113 :			}
114 :
115 :			outStream.Close();
116 :			}
117 :			catch (Exception ex)
118 :			{
119 :			Console.WriteLine("Error writing the asset: " + ex.Message);
120 :			}
121 :			}
122 :			else
123 :			{
124 :			Console.WriteLine("Failed fetching asset " + assetID.ToString());
125 :			return;
126 :			}
127 :			}
128 :
129 :			static void FetchMetadata(UUID assetID, string outputFile)
130 :			{
131 :			if (verbosity > 0)
132 :			Console.WriteLine("Starting metadata fetch for asset " + assetID.ToString());
133 :
134 :			byte[] metadata;
135 :			if (AssetClient.TryGetMetadata(assetID, out metadata))
136 :			{
137 :			if (verbosity > 0)
138 :			Console.WriteLine(String.Format("Downloaded {0} bytes of metadata", metadata.Length));
139 :
140 :			try
141 :			{
142 :			Stream outStream;
143 :
144 :			if (outputFile == "default")
145 :			outputFile = assetID.ToString() + ".xml";
146 :
147 :			if (!String.IsNullOrEmpty(outputFile))
148 :			outStream = File.Open(outputFile, FileMode.Create, FileAccess.Write);
149 :			else
150 :			outStream = Console.OpenStandardOutput();
151 :
152 :			int pos = 0;
153 :			while (pos < metadata.Length)
154 :			{
155 :			int len = (metadata.Length - pos < 1024) ? metadata.Length - pos : 1024;
156 :			outStream.Write(metadata, pos, len);
157 :			pos += len;
158 :			}
159 :
160 :			outStream.Close();
161 :			}
162 :			catch (Exception ex)
163 :			{
164 :			Console.WriteLine("Error writing the metadata: " + ex.Message);
165 :			}
166 :			}
167 :			else
168 :			{
169 :			Console.WriteLine("Failed fetching metadata for asset " + assetID.ToString());
170 :			return;
171 :			}
172 :			}
173 :
174 :			static void ShowHelp()
175 :			{
176 :			Console.WriteLine("Usage: assetclient [OPTION]...");
177 :			Console.WriteLine("A non-interactive client for the asset server");
178 :			Console.WriteLine("Options:");
179 :			argParser.WriteOptionDescriptions(Console.Out);
180 :			}
181 :
182 :			static string GetDefaultFilename(Asset asset)
183 :			{
184 :			return String.Format("{0}.{1}", asset.AssetID, asset.AssetType.ToString().ToLower());
185 :			}
186 :			}
187 :			}

	ViewVC Help
Powered by ViewVC 1.0.0

MyGforge Home

Cable Beach Asset Server

Annotation of /trunk/AssetClient/Program.cs