public void SaveState(string assembly)
{
// If we're currently in an event, just tell it to save upon return
//
if (m_InEvent)
{
m_SaveState = true;
return;
}
PluginData = AsyncCommandManager.GetSerializationData(m_Engine, m_ItemID);
string xml = ScriptSerializer.Serialize(this);
if (m_CurrentState != xml)
{
try
{
FileStream fs = File.Create(Path.Combine(Path.GetDirectoryName(assembly), m_ItemID.ToString() + ".state"));
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
Byte[] buf = enc.GetBytes(xml);
fs.Write(buf, 0, buf.Length);
fs.Close();
}
catch (Exception e)
{
m_log.Error("Unable to save xml\n" + e.ToString());
}
//if (!File.Exists(Path.Combine(Path.GetDirectoryName(assembly), m_ItemID.ToString() + ".state")))
//{
// throw new Exception("Completed persistence save, but no file was created");
//}
m_CurrentState = xml;
}
}
public string GetXMLState()
{
bool run = Running;
Stop(100);
Running = run;
// We should not be doing this, but since we are about to
// dispose this, it really doesn't make a difference
// This is meant to work around a Windows only race
//
m_InEvent = false;
// Force an update of the in-memory plugin data
//
PluginData = AsyncCommandManager.GetSerializationData(Engine, ItemID);
return(ScriptSerializer.Serialize(this));
}
public void SaveState(string assembly)
{
// If we're currently in an event, just tell it to save upon return
//
if (m_InEvent)
{
m_SaveState = true;
return;
}
PluginData = AsyncCommandManager.GetSerializationData(Engine, ItemID);
string xml = ScriptSerializer.Serialize(this);
// Compare hash of the state we just just created with the state last written to disk
// If the state is different, update the disk file.
UUID hash = UUID.Parse(Utils.MD5String(xml));
if (hash != m_CurrentStateHash)
{
try
{
FileStream fs = File.Create(Path.Combine(Path.GetDirectoryName(assembly), ItemID.ToString() + ".state"));
System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
Byte[] buf = enc.GetBytes(xml);
fs.Write(buf, 0, buf.Length);
fs.Close();
}
catch (Exception)
{
// m_log.Error("Unable to save xml\n"+e.ToString());
}
//if (!File.Exists(Path.Combine(Path.GetDirectoryName(assembly), ItemID.ToString() + ".state")))
//{
// throw new Exception("Completed persistence save, but no file was created");
//}
m_CurrentStateHash = hash;
}
}
public ScriptInstance(IScriptEngine engine, SceneObjectPart part,
UUID itemID, UUID assetID, string assembly,
AppDomain dom, string primName, string scriptName,
int startParam, bool postOnRez, StateSource stateSource,
int maxScriptQueue)
{
State = "default";
EventQueue = new Queue(32);
Engine = engine;
LocalID = part.LocalId;
ObjectID = part.UUID;
RootLocalID = part.ParentGroup.LocalId;
RootObjectID = part.ParentGroup.UUID;
ItemID = itemID;
AssetID = assetID;
PrimName = primName;
ScriptName = scriptName;
m_Assembly = assembly;
StartParam = startParam;
m_MaxScriptQueue = maxScriptQueue;
m_stateSource = stateSource;
m_postOnRez = postOnRez;
m_AttachedAvatar = part.ParentGroup.AttachedAvatar;
m_RegionID = part.ParentGroup.Scene.RegionInfo.RegionID;
if (part != null)
{
lock (part.TaskInventory)
{
if (part.TaskInventory.ContainsKey(ItemID))
{
ScriptTask = part.TaskInventory[ItemID];
}
}
}
ApiManager am = new ApiManager();
foreach (string api in am.GetApis())
{
m_Apis[api] = am.CreateApi(api);
m_Apis[api].Initialize(engine, part, LocalID, itemID);
}
try
{
if (dom != System.AppDomain.CurrentDomain)
{
m_Script = (IScript)dom.CreateInstanceAndUnwrap(
Path.GetFileNameWithoutExtension(assembly),
"SecondLife.Script");
}
else
{
m_Script = (IScript)Assembly.Load(
Path.GetFileNameWithoutExtension(assembly)).CreateInstance(
"SecondLife.Script");
}
//ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
//RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
// lease.Register(this);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Error loading assembly {0}. Exception {1}{2}",
assembly, e.Message, e.StackTrace);
}
try
{
foreach (KeyValuePair <string, IScriptApi> kv in m_Apis)
{
m_Script.InitApi(kv.Key, kv.Value);
}
// // m_log.Debug("[Script] Script instance created");
part.SetScriptEvents(ItemID,
(int)m_Script.GetStateEventFlags(State));
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Error loading script instance from assembly {0}. Exception {1}{2}",
assembly, e.Message, e.StackTrace);
return;
}
m_SaveState = true;
string savedState = Path.Combine(Path.GetDirectoryName(assembly),
ItemID.ToString() + ".state");
if (File.Exists(savedState))
{
string xml = String.Empty;
try
{
FileInfo fi = new FileInfo(savedState);
int size = (int)fi.Length;
if (size < 512000)
{
using (FileStream fs = File.Open(savedState,
FileMode.Open, FileAccess.Read, FileShare.None))
{
System.Text.UTF8Encoding enc =
new System.Text.UTF8Encoding();
Byte[] data = new Byte[size];
fs.Read(data, 0, size);
xml = enc.GetString(data);
ScriptSerializer.Deserialize(xml, this);
AsyncCommandManager.CreateFromData(Engine,
LocalID, ItemID, ObjectID,
PluginData);
// m_log.DebugFormat("[Script] Successfully retrieved state for script {0}.{1}", PrimName, m_ScriptName);
part.SetScriptEvents(ItemID,
(int)m_Script.GetStateEventFlags(State));
Running = false;
if (ShuttingDown)
{
m_startOnInit = false;
}
// we get new rez events on sim restart, too
// but if there is state, then we fire the change
// event
// We loaded state, don't force a re-save
m_SaveState = false;
m_startedFromSavedState = true;
}
}
else
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Unable to load script state from assembly {0}: Memory limit exceeded",
assembly);
}
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Unable to load script state from assembly {0}. XML is {1}. Exception {2}{3}",
assembly, xml, e.Message, e.StackTrace);
}
}
// else
// {
// ScenePresence presence = Engine.World.GetScenePresence(part.OwnerID);
// if (presence != null && (!postOnRez))
// presence.ControllingClient.SendAgentAlertMessage("Compile successful", false);
// }
}
/// <summary>
/// Load the script from an assembly into an AppDomain.
/// </summary>
/// <param name='dom'></param>
/// <param name='assembly'></param>
/// <param name='stateSource'></param>
/// <returns>false if load failed, true if suceeded</returns>
public bool Load(AppDomain dom, string assembly, StateSource stateSource)
{
m_Assembly = assembly;
m_stateSource = stateSource;
ApiManager am = new ApiManager();
foreach (string api in am.GetApis())
{
m_Apis[api] = am.CreateApi(api);
m_Apis[api].Initialize(Engine, Part, ScriptTask, m_coopSleepHandle);
}
try
{
object[] constructorParams;
Assembly scriptAssembly = dom.Load(Path.GetFileNameWithoutExtension(assembly));
Type scriptType = scriptAssembly.GetType("SecondLife.XEngineScript");
if (scriptType != null)
{
constructorParams = new object[] { m_coopSleepHandle };
}
else
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. You must remove all existing {6}* script DLL files before using enabling co-op termination"
+ ", either by setting DeleteScriptsOnStartup = true in [XEngine] for one run"
+ " or by deleting these files manually.",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, assembly);
return(false);
}
// m_log.DebugFormat(
// "[SCRIPT INSTANCE]: Looking to load {0} from assembly {1} in {2}",
// scriptType.FullName, Path.GetFileNameWithoutExtension(assembly), Engine.World.Name);
if (dom != System.AppDomain.CurrentDomain)
{
m_Script
= (IScript)dom.CreateInstanceAndUnwrap(
Path.GetFileNameWithoutExtension(assembly),
scriptType.FullName,
false,
BindingFlags.Default,
null,
constructorParams,
null,
null);
}
else
{
m_Script
= (IScript)scriptAssembly.CreateInstance(
scriptType.FullName,
false,
BindingFlags.Default,
null,
constructorParams,
null,
null);
}
//ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
//RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
// lease.Register(this);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Error loading assembly {6}. Exception {7}{8}",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, assembly, e.Message, e.StackTrace);
return(false);
}
try
{
foreach (KeyValuePair <string, IScriptApi> kv in m_Apis)
{
m_Script.InitApi(kv.Key, kv.Value);
}
// // m_log.Debug("[Script] Script instance created");
Part.SetScriptEvents(ItemID,
(int)m_Script.GetStateEventFlags(State));
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Error initializing script instance. Exception {6}{7}",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, e.Message, e.StackTrace);
return(false);
}
m_SaveState = true;
string savedState = Path.Combine(Path.GetDirectoryName(assembly),
ItemID.ToString() + ".state");
if (File.Exists(savedState))
{
string xml = String.Empty;
try
{
FileInfo fi = new FileInfo(savedState);
int size = (int)fi.Length;
if (size < 512000)
{
using (FileStream fs = File.Open(savedState,
FileMode.Open, FileAccess.Read, FileShare.None))
{
Byte[] data = new Byte[size];
fs.Read(data, 0, size);
xml = Encoding.UTF8.GetString(data);
ScriptSerializer.Deserialize(xml, this);
AsyncCommandManager.CreateFromData(Engine,
LocalID, ItemID, ObjectID,
PluginData);
// m_log.DebugFormat("[Script] Successfully retrieved state for script {0}.{1}", PrimName, m_ScriptName);
Part.SetScriptEvents(ItemID,
(int)m_Script.GetStateEventFlags(State));
if (!Running)
{
m_startOnInit = false;
}
Running = false;
// we get new rez events on sim restart, too
// but if there is state, then we fire the change
// event
// We loaded state, don't force a re-save
m_SaveState = false;
m_startedFromSavedState = true;
}
}
else
{
m_log.WarnFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Unable to load script state file {6}. Memory limit exceeded.",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, savedState);
}
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Unable to load script state file {6}. XML is {7}. Exception {8}{9}",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, savedState, xml, e.Message, e.StackTrace);
}
}
// else
// {
// ScenePresence presence = Engine.World.GetScenePresence(part.OwnerID);
// if (presence != null && (!postOnRez))
// presence.ControllingClient.SendAgentAlertMessage("Compile successful", false);
// }
return(true);
}
/// <summary>
/// Load the script from an assembly into an AppDomain.
/// </summary>
/// <param name='dom'></param>
/// <param name='assembly'></param>
/// <param name='dataPath'>
/// Path for all script associated data (state, etc.). In a multi-region set up
/// with all scripts loading into the same AppDomain this may not be the same place as the DLL itself.
/// </param>
/// <param name='stateSource'></param>
/// <returns>false if load failed, true if suceeded</returns>
public bool Load(
IScript script, EventWaitHandle coopSleepHandle, string assemblyPath,
string dataPath, StateSource stateSource, bool coopTermination)
{
m_Script = script;
m_coopSleepHandle = coopSleepHandle;
m_assemblyPath = assemblyPath;
m_dataPath = dataPath;
m_stateSource = stateSource;
m_coopTermination = coopTermination;
ApiManager am = new ApiManager();
foreach (string api in am.GetApis())
{
m_Apis[api] = am.CreateApi(api);
m_Apis[api].Initialize(Engine, Part, ScriptTask, m_coopSleepHandle);
}
try
{
foreach (KeyValuePair <string, IScriptApi> kv in m_Apis)
{
m_Script.InitApi(kv.Key, kv.Value);
}
// // m_log.Debug("[Script] Script instance created");
Part.SetScriptEvents(ItemID, (int)m_Script.GetStateEventFlags(State));
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Error initializing script instance. Exception {6}{7}",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, e.Message, e.StackTrace);
return(false);
}
// For attachments, XEngine saves the state into a .state file when XEngine.SetXMLState() is called.
string savedState = Path.Combine(m_dataPath, ItemID.ToString() + ".state");
if (File.Exists(savedState))
{
// m_log.DebugFormat(
// "[SCRIPT INSTANCE]: Found state for script {0} for {1} ({2}) at {3} in {4}",
// ItemID, savedState, Part.Name, Part.ParentGroup.Name, Part.ParentGroup.Scene.Name);
string xml = String.Empty;
try
{
FileInfo fi = new FileInfo(savedState);
int size = (int)fi.Length;
if (size < 512000)
{
using (FileStream fs = File.Open(savedState,
FileMode.Open, FileAccess.Read, FileShare.None))
{
Byte[] data = new Byte[size];
fs.Read(data, 0, size);
xml = Encoding.UTF8.GetString(data);
ScriptSerializer.Deserialize(xml, this);
AsyncCommandManager.CreateFromData(Engine,
LocalID, ItemID, ObjectID,
PluginData);
// m_log.DebugFormat("[Script] Successfully retrieved state for script {0}.{1}", PrimName, m_ScriptName);
Part.SetScriptEvents(ItemID,
(int)m_Script.GetStateEventFlags(State));
if (!Running)
{
m_startOnInit = false;
}
Running = false;
// we get new rez events on sim restart, too
// but if there is state, then we fire the change
// event
// We loaded state, don't force a re-save
m_SaveState = false;
m_startedFromSavedState = true;
}
// If this script is in an attachment then we no longer need the state file.
if (!StatePersistedHere)
{
RemoveState();
}
}
// else
// {
// m_log.WarnFormat(
// "[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Unable to load script state file {6}. Memory limit exceeded.",
// ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, savedState);
// }
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SCRIPT INSTANCE]: Not starting script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}. Unable to load script state file {6}. XML is {7}. Exception {8}{9}",
ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name, savedState, xml, e.Message, e.StackTrace);
}
}
// else
// {
// m_log.DebugFormat(
// "[SCRIPT INSTANCE]: Did not find state for script {0} for {1} ({2}) at {3} in {4}",
// ItemID, savedState, Part.Name, Part.ParentGroup.Name, Part.ParentGroup.Scene.Name);
// }
return(true);
}
public void SaveState()
{
if (!Running)
{
return;
}
// We cannot call this inside the EventQueue lock since it will currently take AsyncCommandManager.staticLock.
// This may already be held by AsyncCommandManager.DoOneCmdHandlerPass() which in turn can take EventQueue
// lock via ScriptInstance.PostEvent().
PluginData = AsyncCommandManager.GetSerializationData(Engine, ItemID);
// We need to lock here to avoid any race with a thread that is removing this script.
lock (EventQueue)
{
// Check again to avoid a race with a thread in Stop()
if (!Running)
{
return;
}
// If we're currently in an event, just tell it to save upon return
//
if (m_InEvent)
{
m_SaveState = true;
return;
}
// m_log.DebugFormat(
// "[SCRIPT INSTANCE]: Saving state for script {0} (id {1}) in part {2} (id {3}) in object {4} in {5}",
// ScriptTask.Name, ScriptTask.ItemID, Part.Name, Part.UUID, Part.ParentGroup.Name, Engine.World.Name);
string xml = ScriptSerializer.Serialize(this);
// Compare hash of the state we just just created with the state last written to disk
// If the state is different, update the disk file.
UUID hash = UUID.Parse(Utils.MD5String(xml));
if (hash != m_CurrentStateHash)
{
try
{
using (FileStream fs = File.Create(Path.Combine(m_dataPath, ItemID.ToString() + ".state")))
{
Byte[] buf = Util.UTF8NoBomEncoding.GetBytes(xml);
fs.Write(buf, 0, buf.Length);
}
}
catch (Exception)
{
// m_log.Error("Unable to save xml\n"+e.ToString());
}
//if (!File.Exists(Path.Combine(Path.GetDirectoryName(assembly), ItemID.ToString() + ".state")))
//{
// throw new Exception("Completed persistence save, but no file was created");
//}
m_CurrentStateHash = hash;
}
}
}
public ScriptInstance(IScriptEngine engine, SceneObjectPart part,
UUID itemID, UUID assetID, string assembly,
AppDomain dom, string primName, string scriptName,
int startParam, bool postOnRez, StateSource stateSource,
int maxScriptQueue)
{
m_Engine = engine;
m_LocalID = part.LocalId;
m_ObjectID = part.UUID;
m_ItemID = itemID;
m_AssetID = assetID;
m_PrimName = primName;
m_ScriptName = scriptName;
m_Assembly = assembly;
m_StartParam = startParam;
m_MaxScriptQueue = maxScriptQueue;
m_stateSource = stateSource;
m_postOnRez = postOnRez;
m_RegionID = part.ParentGroup.Scene.RegionInfo.RegionID;
if (part != null)
{
lock (part.TaskInventory)
{
if (part.TaskInventory.ContainsKey(m_ItemID))
{
m_thisScriptTask = part.TaskInventory[m_ItemID];
}
}
}
ApiManager am = new ApiManager();
foreach (string api in am.GetApis())
{
m_Apis[api] = am.CreateApi(api);
m_Apis[api].Initialize(engine, part, m_LocalID, itemID);
}
try
{
m_Script = (IScript)dom.CreateInstanceAndUnwrap(
Path.GetFileNameWithoutExtension(assembly),
"SecondLife.Script");
// Add a sponsor to the script
// ISponsor scriptSponsor = new ScriptSponsor();
// ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as MarshalByRefObject);
// lease.Register(scriptSponsor);
//m_ScriptSponsor = scriptSponsor;
}
catch (Exception e)
{
m_log.ErrorFormat("[Script] Error loading assembly {0}\n" + e.ToString(), assembly);
}
try
{
foreach (KeyValuePair <string, IScriptApi> kv in m_Apis)
{
m_Script.InitApi(kv.Key, kv.Value);
}
// m_log.Debug("[Script] Script instance created");
part.SetScriptEvents(m_ItemID,
(int)m_Script.GetStateEventFlags(State));
}
catch (Exception e)
{
m_log.Error("[Script] Error loading script instance\n" + e.ToString());
return;
}
m_SaveState = true;
string savedState = Path.Combine(Path.GetDirectoryName(assembly),
m_ItemID.ToString() + ".state");
if (File.Exists(savedState))
{
string xml = String.Empty;
try
{
FileInfo fi = new FileInfo(savedState);
int size = (int)fi.Length;
if (size < 512000)
{
using (FileStream fs = File.Open(savedState,
FileMode.Open, FileAccess.Read, FileShare.None))
{
System.Text.ASCIIEncoding enc =
new System.Text.ASCIIEncoding();
Byte[] data = new Byte[size];
fs.Read(data, 0, size);
xml = enc.GetString(data);
ScriptSerializer.Deserialize(xml, this);
AsyncCommandManager.CreateFromData(m_Engine,
m_LocalID, m_ItemID, m_ObjectID,
PluginData);
// m_log.DebugFormat("[Script] Successfully retrieved state for script {0}.{1}", m_PrimName, m_ScriptName);
part.SetScriptEvents(m_ItemID,
(int)m_Script.GetStateEventFlags(State));
if (m_RunEvents && (!m_ShuttingDown))
{
m_RunEvents = false;
}
else
{
m_RunEvents = false;
m_startOnInit = false;
}
// we get new rez events on sim restart, too
// but if there is state, then we fire the change
// event
// We loaded state, don't force a re-save
m_SaveState = false;
m_startedFromSavedState = true;
}
}
else
{
m_log.Error("[Script] Unable to load script state: Memory limit exceeded");
}
}
catch (Exception e)
{
m_log.ErrorFormat("[Script] Unable to load script state from xml: {0}\n" + e.ToString(), xml);
}
}
else
{
ScenePresence presence = m_Engine.World.GetScenePresence(part.OwnerID);
if (presence != null && (!postOnRez))
{
presence.ControllingClient.SendAgentAlertMessage("Compile successful", false);
}
// m_log.ErrorFormat("[Script] Unable to load script state, file not found");
}
}
