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-rw-r--r--indra/llplugin/llpluginprocessparent.cpp1728
1 files changed, 864 insertions, 864 deletions
diff --git a/indra/llplugin/llpluginprocessparent.cpp b/indra/llplugin/llpluginprocessparent.cpp
index f5966b71de..6537733ddf 100644
--- a/indra/llplugin/llpluginprocessparent.cpp
+++ b/indra/llplugin/llpluginprocessparent.cpp
@@ -1,4 +1,4 @@
-/**
+/**
* @file llpluginprocessparent.cpp
* @brief LLPluginProcessParent handles the parent side of the external-process plugin API.
*
@@ -6,21 +6,21 @@
* $LicenseInfo:firstyear=2008&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
- *
+ *
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
+ *
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
* @endcond
@@ -37,10 +37,10 @@
#include "llapr.h"
-//virtual
+//virtual
LLPluginProcessParentOwner::~LLPluginProcessParentOwner()
{
-
+
}
bool LLPluginProcessParent::sUseReadThread = false;
@@ -54,29 +54,29 @@ LLThread *LLPluginProcessParent::sReadThread = NULL;
class LLPluginProcessParentPollThread: public LLThread
{
public:
- LLPluginProcessParentPollThread() :
- LLThread("LLPluginProcessParentPollThread", gAPRPoolp)
- {
- }
+ LLPluginProcessParentPollThread() :
+ LLThread("LLPluginProcessParentPollThread", gAPRPoolp)
+ {
+ }
protected:
- // Inherited from LLThread
- /*virtual*/ void run(void)
- {
- while(!isQuitting() && LLPluginProcessParent::getUseReadThread())
- {
- LLPluginProcessParent::poll(0.1f);
- checkPause();
- }
-
- // Final poll to clean up the pollset, etc.
- LLPluginProcessParent::poll(0.0f);
- }
-
- // Inherited from LLThread
- /*virtual*/ bool runCondition(void)
- {
- return(LLPluginProcessParent::canPollThreadRun());
- }
+ // Inherited from LLThread
+ /*virtual*/ void run(void)
+ {
+ while(!isQuitting() && LLPluginProcessParent::getUseReadThread())
+ {
+ LLPluginProcessParent::poll(0.1f);
+ checkPause();
+ }
+
+ // Final poll to clean up the pollset, etc.
+ LLPluginProcessParent::poll(0.0f);
+ }
+
+ // Inherited from LLThread
+ /*virtual*/ bool runCondition(void)
+ {
+ return(LLPluginProcessParent::canPollThreadRun());
+ }
};
@@ -104,33 +104,33 @@ LLPluginProcessParent::LLPluginProcessParent(LLPluginProcessParentOwner *owner):
mIncomingQueueMutex(),
pProcessCreationThread(NULL)
{
- if(!sInstancesMutex)
- {
- sInstancesMutex = new LLMutex();
- }
-
- mOwner = owner;
- mBoundPort = 0;
- mState = STATE_UNINITIALIZED;
- mSleepTime = 0.0;
- mCPUUsage = 0.0;
- mDisableTimeout = false;
- mDebug = false;
- mBlocked = false;
- mPolledInput = false;
- mPollFD.client_data = NULL;
-
- mPluginLaunchTimeout = 60.0f;
- mPluginLockupTimeout = 15.0f;
-
- // Don't start the timer here -- start it when we actually launch the plugin process.
- mHeartbeat.stop();
-
+ if(!sInstancesMutex)
+ {
+ sInstancesMutex = new LLMutex();
+ }
+
+ mOwner = owner;
+ mBoundPort = 0;
+ mState = STATE_UNINITIALIZED;
+ mSleepTime = 0.0;
+ mCPUUsage = 0.0;
+ mDisableTimeout = false;
+ mDebug = false;
+ mBlocked = false;
+ mPolledInput = false;
+ mPollFD.client_data = NULL;
+
+ mPluginLaunchTimeout = 60.0f;
+ mPluginLockupTimeout = 15.0f;
+
+ // Don't start the timer here -- start it when we actually launch the plugin process.
+ mHeartbeat.stop();
+
}
LLPluginProcessParent::~LLPluginProcessParent()
{
- LL_DEBUGS("Plugin") << "destructor" << LL_ENDL;
+ LL_DEBUGS("Plugin") << "destructor" << LL_ENDL;
if (pProcessCreationThread)
{
if (!pProcessCreationThread->isStopped())
@@ -144,20 +144,20 @@ LLPluginProcessParent::~LLPluginProcessParent()
pProcessCreationThread = NULL;
}
- // Destroy any remaining shared memory regions
- sharedMemoryRegionsType::iterator iter;
- while((iter = mSharedMemoryRegions.begin()) != mSharedMemoryRegions.end())
- {
- // destroy the shared memory region
- iter->second->destroy();
- delete iter->second;
- iter->second = NULL;
-
- // and remove it from our map
- mSharedMemoryRegions.erase(iter);
- }
-
- LLProcess::kill(mProcess);
+ // Destroy any remaining shared memory regions
+ sharedMemoryRegionsType::iterator iter;
+ while((iter = mSharedMemoryRegions.begin()) != mSharedMemoryRegions.end())
+ {
+ // destroy the shared memory region
+ iter->second->destroy();
+ delete iter->second;
+ iter->second = NULL;
+
+ // and remove it from our map
+ mSharedMemoryRegions.erase(iter);
+ }
+
+ LLProcess::kill(mProcess);
if (!LLApp::isQuitting())
{ // If we are quitting, the network sockets will already have been destroyed.
killSockets();
@@ -227,7 +227,7 @@ void LLPluginProcessParent::requestShutdown()
namestream << "LLPluginProcessParentListener" << ++count;
//*HACK!*//
- // After requestShutdown has been called our previous owner will no longer call
+ // After requestShutdown has been called our previous owner will no longer call
// our idle() method. Tie into the event loop here to do that until we are good
// and finished.
LL_DEBUGS("LLPluginProcessParent") << "listening on \"mainloop\"" << LL_ENDL;
@@ -279,78 +279,78 @@ bool LLPluginProcessParent::wantsPolling() const
void LLPluginProcessParent::killSockets(void)
{
- {
- LLMutexLock lock(&mIncomingQueueMutex);
- killMessagePipe();
- }
+ {
+ LLMutexLock lock(&mIncomingQueueMutex);
+ killMessagePipe();
+ }
- mListenSocket.reset();
- mSocket.reset();
+ mListenSocket.reset();
+ mSocket.reset();
}
void LLPluginProcessParent::errorState(void)
{
- if(mState < STATE_RUNNING)
- setState(STATE_LAUNCH_FAILURE);
- else
- setState(STATE_ERROR);
+ if(mState < STATE_RUNNING)
+ setState(STATE_LAUNCH_FAILURE);
+ else
+ setState(STATE_ERROR);
}
void LLPluginProcessParent::init(const std::string &launcher_filename, const std::string &plugin_dir, const std::string &plugin_filename, bool debug)
-{
- mProcessParams.executable = launcher_filename;
- mProcessParams.cwd = plugin_dir;
- mPluginFile = plugin_filename;
- mPluginDir = plugin_dir;
- mCPUUsage = 0.0f;
- mDebug = debug;
- setState(STATE_INITIALIZED);
+{
+ mProcessParams.executable = launcher_filename;
+ mProcessParams.cwd = plugin_dir;
+ mPluginFile = plugin_filename;
+ mPluginDir = plugin_dir;
+ mCPUUsage = 0.0f;
+ mDebug = debug;
+ setState(STATE_INITIALIZED);
}
bool LLPluginProcessParent::accept()
{
- bool result = false;
-
- apr_status_t status = APR_EGENERAL;
- apr_socket_t *new_socket = NULL;
-
- status = apr_socket_accept(
- &new_socket,
- mListenSocket->getSocket(),
- gAPRPoolp);
-
-
- if(status == APR_SUCCESS)
- {
-// LL_INFOS() << "SUCCESS" << LL_ENDL;
- // Success. Create a message pipe on the new socket
-
- // we MUST create a new pool for the LLSocket, since it will take ownership of it and delete it in its destructor!
- apr_pool_t* new_pool = NULL;
- status = apr_pool_create(&new_pool, gAPRPoolp);
-
- mSocket = LLSocket::create(new_socket, new_pool);
- new LLPluginMessagePipe(this, mSocket);
-
- result = true;
- }
- else if(APR_STATUS_IS_EAGAIN(status))
- {
-// LL_INFOS() << "EAGAIN" << LL_ENDL;
-
- // No incoming connections. This is not an error.
- status = APR_SUCCESS;
- }
- else
- {
-// LL_INFOS() << "Error:" << LL_ENDL;
- ll_apr_warn_status(status);
-
- // Some other error.
- errorState();
- }
-
- return result;
+ bool result = false;
+
+ apr_status_t status = APR_EGENERAL;
+ apr_socket_t *new_socket = NULL;
+
+ status = apr_socket_accept(
+ &new_socket,
+ mListenSocket->getSocket(),
+ gAPRPoolp);
+
+
+ if(status == APR_SUCCESS)
+ {
+// LL_INFOS() << "SUCCESS" << LL_ENDL;
+ // Success. Create a message pipe on the new socket
+
+ // we MUST create a new pool for the LLSocket, since it will take ownership of it and delete it in its destructor!
+ apr_pool_t* new_pool = NULL;
+ status = apr_pool_create(&new_pool, gAPRPoolp);
+
+ mSocket = LLSocket::create(new_socket, new_pool);
+ new LLPluginMessagePipe(this, mSocket);
+
+ result = true;
+ }
+ else if(APR_STATUS_IS_EAGAIN(status))
+ {
+// LL_INFOS() << "EAGAIN" << LL_ENDL;
+
+ // No incoming connections. This is not an error.
+ status = APR_SUCCESS;
+ }
+ else
+ {
+// LL_INFOS() << "Error:" << LL_ENDL;
+ ll_apr_warn_status(status);
+
+ // Some other error.
+ errorState();
+ }
+
+ return result;
}
bool LLPluginProcessParent::createPluginProcess()
@@ -384,166 +384,166 @@ void LLPluginProcessParent::clearProcessCreationThread()
void LLPluginProcessParent::idle(void)
{
- bool idle_again;
+ bool idle_again;
- do
- {
- // process queued messages
+ do
+ {
+ // process queued messages
// Inside main thread, it is preferable not to block it on mutex.
- bool locked = mIncomingQueueMutex.trylock();
- while(locked && !mIncomingQueue.empty())
- {
- LLPluginMessage message = mIncomingQueue.front();
- mIncomingQueue.pop();
- mIncomingQueueMutex.unlock();
-
- receiveMessage(message);
-
- locked = mIncomingQueueMutex.trylock();
- }
+ bool locked = mIncomingQueueMutex.trylock();
+ while(locked && !mIncomingQueue.empty())
+ {
+ LLPluginMessage message = mIncomingQueue.front();
+ mIncomingQueue.pop();
+ mIncomingQueueMutex.unlock();
+
+ receiveMessage(message);
+
+ locked = mIncomingQueueMutex.trylock();
+ }
if (locked)
{
mIncomingQueueMutex.unlock();
}
-
- // Give time to network processing
- if(mMessagePipe)
- {
- // Drain any queued outgoing messages
- mMessagePipe->pumpOutput();
-
- // Only do input processing here if this instance isn't in a pollset.
- // If viewer and plugin are both shutting down, don't process further
- // input, viewer won't be able to handle it.
- if(!mPolledInput
- && !(mState >= STATE_GOODBYE && LLApp::isExiting()))
- {
- mMessagePipe->pumpInput();
- }
- }
-
- if(mState <= STATE_RUNNING)
- {
- if(APR_STATUS_IS_EOF(mSocketError))
- {
- // Plugin socket was closed. This covers both normal plugin termination and plugin crashes.
- errorState();
- }
- else if(mSocketError != APR_SUCCESS)
- {
- // The socket is in an error state -- the plugin is gone.
- LL_WARNS("Plugin") << "Socket hit an error state (" << mSocketError << ")" << LL_ENDL;
- errorState();
- }
- }
-
- // If a state needs to go directly to another state (as a performance enhancement), it can set idle_again to true after calling setState().
- // USE THIS CAREFULLY, since it can starve other code. Specifically make sure there's no way to get into a closed cycle and never return.
- // When in doubt, don't do it.
- idle_again = false;
- switch(mState)
- {
- case STATE_UNINITIALIZED:
- break;
-
- case STATE_INITIALIZED:
- {
-
- apr_status_t status = APR_SUCCESS;
- apr_sockaddr_t* addr = NULL;
- mListenSocket = LLSocket::create(gAPRPoolp, LLSocket::STREAM_TCP);
- mBoundPort = 0;
-
- // This code is based on parts of LLSocket::create() in lliosocket.cpp.
-
- status = apr_sockaddr_info_get(
- &addr,
- "127.0.0.1",
- APR_INET,
- 0, // port 0 = ephemeral ("find me a port")
- 0,
- gAPRPoolp);
-
- if(ll_apr_warn_status(status))
- {
- killSockets();
- errorState();
- break;
- }
-
- // This allows us to reuse the address on quick down/up. This is unlikely to create problems.
- ll_apr_warn_status(apr_socket_opt_set(mListenSocket->getSocket(), APR_SO_REUSEADDR, 1));
-
- status = apr_socket_bind(mListenSocket->getSocket(), addr);
- if(ll_apr_warn_status(status))
- {
- killSockets();
- errorState();
- break;
- }
-
- // Get the actual port the socket was bound to
- {
- apr_sockaddr_t* bound_addr = NULL;
- if(ll_apr_warn_status(apr_socket_addr_get(&bound_addr, APR_LOCAL, mListenSocket->getSocket())))
- {
- killSockets();
- errorState();
- break;
- }
- mBoundPort = bound_addr->port;
-
- if(mBoundPort == 0)
- {
- LL_WARNS("Plugin") << "Bound port number unknown, bailing out." << LL_ENDL;
-
- killSockets();
- errorState();
- break;
- }
- }
-
- LL_DEBUGS("Plugin") << "Bound tcp socket to port: " << addr->port << LL_ENDL;
-
- // Make the listen socket non-blocking
- status = apr_socket_opt_set(mListenSocket->getSocket(), APR_SO_NONBLOCK, 1);
- if(ll_apr_warn_status(status))
- {
- killSockets();
- errorState();
- break;
- }
-
- apr_socket_timeout_set(mListenSocket->getSocket(), 0);
- if(ll_apr_warn_status(status))
- {
- killSockets();
- errorState();
- break;
- }
-
- // If it's a stream based socket, we need to tell the OS
- // to keep a queue of incoming connections for ACCEPT.
- status = apr_socket_listen(
- mListenSocket->getSocket(),
- 10); // FIXME: Magic number for queue size
-
- if(ll_apr_warn_status(status))
- {
- killSockets();
- errorState();
- break;
- }
-
- // If we got here, we're listening.
- setState(STATE_LISTENING);
- }
- break;
-
- case STATE_LISTENING:
- {
- // Launch the plugin process.
+
+ // Give time to network processing
+ if(mMessagePipe)
+ {
+ // Drain any queued outgoing messages
+ mMessagePipe->pumpOutput();
+
+ // Only do input processing here if this instance isn't in a pollset.
+ // If viewer and plugin are both shutting down, don't process further
+ // input, viewer won't be able to handle it.
+ if(!mPolledInput
+ && !(mState >= STATE_GOODBYE && LLApp::isExiting()))
+ {
+ mMessagePipe->pumpInput();
+ }
+ }
+
+ if(mState <= STATE_RUNNING)
+ {
+ if(APR_STATUS_IS_EOF(mSocketError))
+ {
+ // Plugin socket was closed. This covers both normal plugin termination and plugin crashes.
+ errorState();
+ }
+ else if(mSocketError != APR_SUCCESS)
+ {
+ // The socket is in an error state -- the plugin is gone.
+ LL_WARNS("Plugin") << "Socket hit an error state (" << mSocketError << ")" << LL_ENDL;
+ errorState();
+ }
+ }
+
+ // If a state needs to go directly to another state (as a performance enhancement), it can set idle_again to true after calling setState().
+ // USE THIS CAREFULLY, since it can starve other code. Specifically make sure there's no way to get into a closed cycle and never return.
+ // When in doubt, don't do it.
+ idle_again = false;
+ switch(mState)
+ {
+ case STATE_UNINITIALIZED:
+ break;
+
+ case STATE_INITIALIZED:
+ {
+
+ apr_status_t status = APR_SUCCESS;
+ apr_sockaddr_t* addr = NULL;
+ mListenSocket = LLSocket::create(gAPRPoolp, LLSocket::STREAM_TCP);
+ mBoundPort = 0;
+
+ // This code is based on parts of LLSocket::create() in lliosocket.cpp.
+
+ status = apr_sockaddr_info_get(
+ &addr,
+ "127.0.0.1",
+ APR_INET,
+ 0, // port 0 = ephemeral ("find me a port")
+ 0,
+ gAPRPoolp);
+
+ if(ll_apr_warn_status(status))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+
+ // This allows us to reuse the address on quick down/up. This is unlikely to create problems.
+ ll_apr_warn_status(apr_socket_opt_set(mListenSocket->getSocket(), APR_SO_REUSEADDR, 1));
+
+ status = apr_socket_bind(mListenSocket->getSocket(), addr);
+ if(ll_apr_warn_status(status))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+
+ // Get the actual port the socket was bound to
+ {
+ apr_sockaddr_t* bound_addr = NULL;
+ if(ll_apr_warn_status(apr_socket_addr_get(&bound_addr, APR_LOCAL, mListenSocket->getSocket())))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+ mBoundPort = bound_addr->port;
+
+ if(mBoundPort == 0)
+ {
+ LL_WARNS("Plugin") << "Bound port number unknown, bailing out." << LL_ENDL;
+
+ killSockets();
+ errorState();
+ break;
+ }
+ }
+
+ LL_DEBUGS("Plugin") << "Bound tcp socket to port: " << addr->port << LL_ENDL;
+
+ // Make the listen socket non-blocking
+ status = apr_socket_opt_set(mListenSocket->getSocket(), APR_SO_NONBLOCK, 1);
+ if(ll_apr_warn_status(status))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+
+ apr_socket_timeout_set(mListenSocket->getSocket(), 0);
+ if(ll_apr_warn_status(status))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+
+ // If it's a stream based socket, we need to tell the OS
+ // to keep a queue of incoming connections for ACCEPT.
+ status = apr_socket_listen(
+ mListenSocket->getSocket(),
+ 10); // FIXME: Magic number for queue size
+
+ if(ll_apr_warn_status(status))
+ {
+ killSockets();
+ errorState();
+ break;
+ }
+
+ // If we got here, we're listening.
+ setState(STATE_LISTENING);
+ }
+ break;
+
+ case STATE_LISTENING:
+ {
+ // Launch the plugin process.
if (mDebug && !pProcessCreationThread)
{
createPluginProcess();
@@ -566,36 +566,36 @@ void LLPluginProcessParent::idle(void)
errorState();
}
-
- if (mProcess)
- {
- if(mDebug)
- {
+
+ if (mProcess)
+ {
+ if(mDebug)
+ {
#if LL_DARWIN
- // If we're set to debug, start up a gdb instance in a new terminal window and have it attach to the plugin process and continue.
-
- // The command we're constructing would look like this on the command line:
- // osascript -e 'tell application "Terminal"' -e 'set win to do script "gdb -pid 12345"' -e 'do script "continue" in win' -e 'end tell'
-
- LLProcess::Params params;
- params.executable = "/usr/bin/osascript";
- params.args.add("-e");
- params.args.add("tell application \"Terminal\"");
- params.args.add("-e");
- params.args.add(STRINGIZE("set win to do script \"lldb -pid "
- << mProcess->getProcessID() << "\""));
- params.args.add("-e");
- params.args.add("do script \"continue\" in win");
- params.args.add("-e");
- params.args.add("end tell");
- mDebugger = LLProcess::create(params);
+ // If we're set to debug, start up a gdb instance in a new terminal window and have it attach to the plugin process and continue.
+
+ // The command we're constructing would look like this on the command line:
+ // osascript -e 'tell application "Terminal"' -e 'set win to do script "gdb -pid 12345"' -e 'do script "continue" in win' -e 'end tell'
+
+ LLProcess::Params params;
+ params.executable = "/usr/bin/osascript";
+ params.args.add("-e");
+ params.args.add("tell application \"Terminal\"");
+ params.args.add("-e");
+ params.args.add(STRINGIZE("set win to do script \"lldb -pid "
+ << mProcess->getProcessID() << "\""));
+ params.args.add("-e");
+ params.args.add("do script \"continue\" in win");
+ params.args.add("-e");
+ params.args.add("end tell");
+ mDebugger = LLProcess::create(params);
#endif
- }
-
- // This will allow us to time out if the process never starts.
- mHeartbeat.start();
- mHeartbeat.setTimerExpirySec(mPluginLaunchTimeout);
+ }
+
+ // This will allow us to time out if the process never starts.
+ mHeartbeat.start();
+ mHeartbeat.setTimerExpirySec(mPluginLaunchTimeout);
// pProcessCreationThread should have stopped by this point,
// but check just in case it paused on statistics sync
@@ -605,67 +605,67 @@ void LLPluginProcessParent::idle(void)
pProcessCreationThread = NULL;
}
- setState(STATE_LAUNCHED);
- }
- }
- break;
-
- case STATE_LAUNCHED:
- // waiting for the plugin to connect
- if(pluginLockedUpOrQuit())
- {
- errorState();
- }
- else
- {
- // Check for the incoming connection.
- if(accept())
- {
- // Stop listening on the server port
- mListenSocket.reset();
- setState(STATE_CONNECTED);
- }
- }
- break;
-
- case STATE_CONNECTED:
- // waiting for hello message from the plugin
-
- if(pluginLockedUpOrQuit())
- {
- errorState();
- }
- break;
-
- case STATE_HELLO:
- LL_DEBUGS("Plugin") << "received hello message" << LL_ENDL;
-
- // Send the message to load the plugin
- {
- LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "load_plugin");
- message.setValue("file", mPluginFile);
- message.setValue("dir", mPluginDir);
- sendMessage(message);
- }
-
- setState(STATE_LOADING);
- break;
-
- case STATE_LOADING:
- // The load_plugin_response message will kick us from here into STATE_RUNNING
- if(pluginLockedUpOrQuit())
- {
- errorState();
- }
- break;
-
- case STATE_RUNNING:
- if(pluginLockedUpOrQuit())
- {
- errorState();
- }
- break;
-
+ setState(STATE_LAUNCHED);
+ }
+ }
+ break;
+
+ case STATE_LAUNCHED:
+ // waiting for the plugin to connect
+ if(pluginLockedUpOrQuit())
+ {
+ errorState();
+ }
+ else
+ {
+ // Check for the incoming connection.
+ if(accept())
+ {
+ // Stop listening on the server port
+ mListenSocket.reset();
+ setState(STATE_CONNECTED);
+ }
+ }
+ break;
+
+ case STATE_CONNECTED:
+ // waiting for hello message from the plugin
+
+ if(pluginLockedUpOrQuit())
+ {
+ errorState();
+ }
+ break;
+
+ case STATE_HELLO:
+ LL_DEBUGS("Plugin") << "received hello message" << LL_ENDL;
+
+ // Send the message to load the plugin
+ {
+ LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "load_plugin");
+ message.setValue("file", mPluginFile);
+ message.setValue("dir", mPluginDir);
+ sendMessage(message);
+ }
+
+ setState(STATE_LOADING);
+ break;
+
+ case STATE_LOADING:
+ // The load_plugin_response message will kick us from here into STATE_RUNNING
+ if(pluginLockedUpOrQuit())
+ {
+ errorState();
+ }
+ break;
+
+ case STATE_RUNNING:
+ if(pluginLockedUpOrQuit())
+ {
+ errorState();
+ }
+ break;
+
case STATE_GOODBYE:
{
LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shutdown_plugin");
@@ -674,292 +674,292 @@ void LLPluginProcessParent::idle(void)
setState(STATE_EXITING);
break;
- case STATE_EXITING:
- if (! LLProcess::isRunning(mProcess))
- {
- setState(STATE_CLEANUP);
- }
- else if(pluginLockedUp())
- {
- LL_WARNS("Plugin") << "timeout in exiting state, bailing out" << LL_ENDL;
- errorState();
- }
- break;
-
- case STATE_LAUNCH_FAILURE:
- if(mOwner != NULL)
- {
- mOwner->pluginLaunchFailed();
- }
- setState(STATE_CLEANUP);
- break;
-
- case STATE_ERROR:
- if(mOwner != NULL)
- {
- mOwner->pluginDied();
- }
- setState(STATE_CLEANUP);
- break;
-
- case STATE_CLEANUP:
- LLProcess::kill(mProcess);
- killSockets();
- setState(STATE_DONE);
+ case STATE_EXITING:
+ if (! LLProcess::isRunning(mProcess))
+ {
+ setState(STATE_CLEANUP);
+ }
+ else if(pluginLockedUp())
+ {
+ LL_WARNS("Plugin") << "timeout in exiting state, bailing out" << LL_ENDL;
+ errorState();
+ }
+ break;
+
+ case STATE_LAUNCH_FAILURE:
+ if(mOwner != NULL)
+ {
+ mOwner->pluginLaunchFailed();
+ }
+ setState(STATE_CLEANUP);
+ break;
+
+ case STATE_ERROR:
+ if(mOwner != NULL)
+ {
+ mOwner->pluginDied();
+ }
+ setState(STATE_CLEANUP);
+ break;
+
+ case STATE_CLEANUP:
+ LLProcess::kill(mProcess);
+ killSockets();
+ setState(STATE_DONE);
dirtyPollSet();
clearProcessCreationThread();
- break;
-
- case STATE_DONE:
- // just sit here.
- break;
- }
-
- } while (idle_again);
+ break;
+
+ case STATE_DONE:
+ // just sit here.
+ break;
+ }
+
+ } while (idle_again);
}
bool LLPluginProcessParent::isLoading(void)
{
- bool result = false;
-
- if(mState <= STATE_LOADING)
- result = true;
-
- return result;
+ bool result = false;
+
+ if(mState <= STATE_LOADING)
+ result = true;
+
+ return result;
}
bool LLPluginProcessParent::isRunning(void)
{
- bool result = false;
-
- if(mState == STATE_RUNNING)
- result = true;
-
- return result;
+ bool result = false;
+
+ if(mState == STATE_RUNNING)
+ result = true;
+
+ return result;
}
bool LLPluginProcessParent::isDone(void)
{
- bool result = false;
-
- if(mState == STATE_DONE)
- result = true;
-
- return result;
+ bool result = false;
+
+ if(mState == STATE_DONE)
+ result = true;
+
+ return result;
}
void LLPluginProcessParent::setSleepTime(F64 sleep_time, bool force_send)
{
- if(force_send || (sleep_time != mSleepTime))
- {
- // Cache the time locally
- mSleepTime = sleep_time;
-
- if(canSendMessage())
- {
- // and send to the plugin.
- LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "sleep_time");
- message.setValueReal("time", mSleepTime);
- sendMessage(message);
- }
- else
- {
- // Too early to send -- the load_plugin_response message will trigger us to send mSleepTime later.
- }
- }
+ if(force_send || (sleep_time != mSleepTime))
+ {
+ // Cache the time locally
+ mSleepTime = sleep_time;
+
+ if(canSendMessage())
+ {
+ // and send to the plugin.
+ LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "sleep_time");
+ message.setValueReal("time", mSleepTime);
+ sendMessage(message);
+ }
+ else
+ {
+ // Too early to send -- the load_plugin_response message will trigger us to send mSleepTime later.
+ }
+ }
}
void LLPluginProcessParent::sendMessage(const LLPluginMessage &message)
{
- if(message.hasValue("blocking_response"))
- {
- mBlocked = false;
-
- // reset the heartbeat timer, since there will have been no heartbeats while the plugin was blocked.
- mHeartbeat.setTimerExpirySec(mPluginLockupTimeout);
- }
-
- std::string buffer = message.generate();
- LL_DEBUGS("Plugin") << "Sending: " << buffer << LL_ENDL;
- writeMessageRaw(buffer);
-
- // Try to send message immediately.
- if(mMessagePipe)
- {
- mMessagePipe->pumpOutput();
- }
+ if(message.hasValue("blocking_response"))
+ {
+ mBlocked = false;
+
+ // reset the heartbeat timer, since there will have been no heartbeats while the plugin was blocked.
+ mHeartbeat.setTimerExpirySec(mPluginLockupTimeout);
+ }
+
+ std::string buffer = message.generate();
+ LL_DEBUGS("Plugin") << "Sending: " << buffer << LL_ENDL;
+ writeMessageRaw(buffer);
+
+ // Try to send message immediately.
+ if(mMessagePipe)
+ {
+ mMessagePipe->pumpOutput();
+ }
}
-//virtual
+//virtual
void LLPluginProcessParent::setMessagePipe(LLPluginMessagePipe *message_pipe)
{
- bool update_pollset = false;
-
- if(mMessagePipe)
- {
- // Unsetting an existing message pipe -- remove from the pollset
- mPollFD.client_data = NULL;
-
- // pollset needs an update
- update_pollset = true;
- }
- if(message_pipe != NULL)
- {
- // Set up the apr_pollfd_t
- mPollFD.p = gAPRPoolp;
- mPollFD.desc_type = APR_POLL_SOCKET;
- mPollFD.reqevents = APR_POLLIN|APR_POLLERR|APR_POLLHUP;
- mPollFD.rtnevents = 0;
- mPollFD.desc.s = mSocket->getSocket();
- mPollFD.client_data = (void*)this;
-
- // pollset needs an update
- update_pollset = true;
- }
-
- mMessagePipe = message_pipe;
-
- if(update_pollset)
- {
- dirtyPollSet();
- }
+ bool update_pollset = false;
+
+ if(mMessagePipe)
+ {
+ // Unsetting an existing message pipe -- remove from the pollset
+ mPollFD.client_data = NULL;
+
+ // pollset needs an update
+ update_pollset = true;
+ }
+ if(message_pipe != NULL)
+ {
+ // Set up the apr_pollfd_t
+ mPollFD.p = gAPRPoolp;
+ mPollFD.desc_type = APR_POLL_SOCKET;
+ mPollFD.reqevents = APR_POLLIN|APR_POLLERR|APR_POLLHUP;
+ mPollFD.rtnevents = 0;
+ mPollFD.desc.s = mSocket->getSocket();
+ mPollFD.client_data = (void*)this;
+
+ // pollset needs an update
+ update_pollset = true;
+ }
+
+ mMessagePipe = message_pipe;
+
+ if(update_pollset)
+ {
+ dirtyPollSet();
+ }
}
-//static
+//static
void LLPluginProcessParent::dirtyPollSet()
{
- sPollsetNeedsRebuild = true;
-
- if(sReadThread)
- {
- LL_DEBUGS("PluginPoll") << "unpausing read thread " << LL_ENDL;
- sReadThread->unpause();
- }
+ sPollsetNeedsRebuild = true;
+
+ if(sReadThread)
+ {
+ LL_DEBUGS("PluginPoll") << "unpausing read thread " << LL_ENDL;
+ sReadThread->unpause();
+ }
}
void LLPluginProcessParent::updatePollset()
{
- if(!sInstancesMutex)
- {
- // No instances have been created yet. There's no work to do.
- return;
- }
-
- LLMutexLock lock(sInstancesMutex);
-
- if(sPollSet)
- {
- LL_DEBUGS("PluginPoll") << "destroying pollset " << sPollSet << LL_ENDL;
- // delete the existing pollset.
- apr_pollset_destroy(sPollSet);
- sPollSet = NULL;
- }
-
+ if(!sInstancesMutex)
+ {
+ // No instances have been created yet. There's no work to do.
+ return;
+ }
+
+ LLMutexLock lock(sInstancesMutex);
+
+ if(sPollSet)
+ {
+ LL_DEBUGS("PluginPoll") << "destroying pollset " << sPollSet << LL_ENDL;
+ // delete the existing pollset.
+ apr_pollset_destroy(sPollSet);
+ sPollSet = NULL;
+ }
+
mapInstances_t::iterator iter;
- int count = 0;
-
- // Count the number of instances that want to be in the pollset
- for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
- {
- (*iter).second->mPolledInput = false;
+ int count = 0;
+
+ // Count the number of instances that want to be in the pollset
+ for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
+ {
+ (*iter).second->mPolledInput = false;
if ((*iter).second->wantsPolling())
- {
- // This instance has a socket that needs to be polled.
- ++count;
- }
- }
-
- if(sUseReadThread && sReadThread && !sReadThread->isQuitting())
- {
- if(!sPollSet && (count > 0))
- {
+ {
+ // This instance has a socket that needs to be polled.
+ ++count;
+ }
+ }
+
+ if(sUseReadThread && sReadThread && !sReadThread->isQuitting())
+ {
+ if(!sPollSet && (count > 0))
+ {
#ifdef APR_POLLSET_NOCOPY
- // The pollset doesn't exist yet. Create it now.
- apr_status_t status = apr_pollset_create(&sPollSet, count, gAPRPoolp, APR_POLLSET_NOCOPY);
- if(status != APR_SUCCESS)
- {
+ // The pollset doesn't exist yet. Create it now.
+ apr_status_t status = apr_pollset_create(&sPollSet, count, gAPRPoolp, APR_POLLSET_NOCOPY);
+ if(status != APR_SUCCESS)
+ {
#endif // APR_POLLSET_NOCOPY
- LL_WARNS("PluginPoll") << "Couldn't create pollset. Falling back to non-pollset mode." << LL_ENDL;
- sPollSet = NULL;
+ LL_WARNS("PluginPoll") << "Couldn't create pollset. Falling back to non-pollset mode." << LL_ENDL;
+ sPollSet = NULL;
#ifdef APR_POLLSET_NOCOPY
- }
- else
- {
- LL_DEBUGS("PluginPoll") << "created pollset " << sPollSet << LL_ENDL;
-
- // Pollset was created, add all instances to it.
- for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
- {
+ }
+ else
+ {
+ LL_DEBUGS("PluginPoll") << "created pollset " << sPollSet << LL_ENDL;
+
+ // Pollset was created, add all instances to it.
+ for(iter = sInstances.begin(); iter != sInstances.end(); iter++)
+ {
if ((*iter).second->wantsPolling())
- {
- status = apr_pollset_add(sPollSet, &((*iter).second->mPollFD));
- if(status == APR_SUCCESS)
- {
- (*iter).second->mPolledInput = true;
- }
- else
- {
- LL_WARNS("PluginPoll") << "apr_pollset_add failed with status " << status << LL_ENDL;
- }
- }
- }
- }
+ {
+ status = apr_pollset_add(sPollSet, &((*iter).second->mPollFD));
+ if(status == APR_SUCCESS)
+ {
+ (*iter).second->mPolledInput = true;
+ }
+ else
+ {
+ LL_WARNS("PluginPoll") << "apr_pollset_add failed with status " << status << LL_ENDL;
+ }
+ }
+ }
+ }
#endif // APR_POLLSET_NOCOPY
- }
- }
+ }
+ }
}
void LLPluginProcessParent::setUseReadThread(bool use_read_thread)
{
- if(sUseReadThread != use_read_thread)
- {
- sUseReadThread = use_read_thread;
-
- if(sUseReadThread)
- {
- if(!sReadThread)
- {
- // start up the read thread
- LL_INFOS("PluginPoll") << "creating read thread " << LL_ENDL;
-
- // make sure the pollset gets rebuilt.
- sPollsetNeedsRebuild = true;
-
- sReadThread = new LLPluginProcessParentPollThread;
- sReadThread->start();
- }
- }
- else
- {
- if(sReadThread)
- {
- // shut down the read thread
- LL_INFOS("PluginPoll") << "destroying read thread " << LL_ENDL;
- delete sReadThread;
- sReadThread = NULL;
- }
- }
-
- }
+ if(sUseReadThread != use_read_thread)
+ {
+ sUseReadThread = use_read_thread;
+
+ if(sUseReadThread)
+ {
+ if(!sReadThread)
+ {
+ // start up the read thread
+ LL_INFOS("PluginPoll") << "creating read thread " << LL_ENDL;
+
+ // make sure the pollset gets rebuilt.
+ sPollsetNeedsRebuild = true;
+
+ sReadThread = new LLPluginProcessParentPollThread;
+ sReadThread->start();
+ }
+ }
+ else
+ {
+ if(sReadThread)
+ {
+ // shut down the read thread
+ LL_INFOS("PluginPoll") << "destroying read thread " << LL_ENDL;
+ delete sReadThread;
+ sReadThread = NULL;
+ }
+ }
+
+ }
}
void LLPluginProcessParent::poll(F64 timeout)
{
- if(sPollsetNeedsRebuild || !sUseReadThread)
- {
- sPollsetNeedsRebuild = false;
- updatePollset();
- }
-
- if(sPollSet)
- {
- apr_status_t status;
- apr_int32_t count;
- const apr_pollfd_t *descriptors;
- status = apr_pollset_poll(sPollSet, (apr_interval_time_t)(timeout * 1000000), &count, &descriptors);
- if(status == APR_SUCCESS)
- {
- // One or more of the descriptors signalled. Call them.
+ if(sPollsetNeedsRebuild || !sUseReadThread)
+ {
+ sPollsetNeedsRebuild = false;
+ updatePollset();
+ }
+
+ if(sPollSet)
+ {
+ apr_status_t status;
+ apr_int32_t count;
+ const apr_pollfd_t *descriptors;
+ status = apr_pollset_poll(sPollSet, (apr_interval_time_t)(timeout * 1000000), &count, &descriptors);
+ if(status == APR_SUCCESS)
+ {
+ // One or more of the descriptors signalled. Call them.
for (int i = 0; i < count; i++)
{
void *thatId = descriptors[i].client_data;
@@ -981,23 +981,23 @@ void LLPluginProcessParent::poll(F64 timeout)
that->mIncomingQueueMutex.unlock();
}
- }
- }
- else if(APR_STATUS_IS_TIMEUP(status))
- {
- // timed out with no incoming data. Just return.
- }
- else if(status == EBADF)
- {
- // This happens when one of the file descriptors in the pollset is destroyed, which happens whenever a plugin's socket is closed.
- // The pollset has been or will be recreated, so just return.
- LL_DEBUGS("PluginPoll") << "apr_pollset_poll returned EBADF" << LL_ENDL;
- }
- else if(status != APR_SUCCESS)
- {
- LL_WARNS("PluginPoll") << "apr_pollset_poll failed with status " << status << LL_ENDL;
- }
- }
+ }
+ }
+ else if(APR_STATUS_IS_TIMEUP(status))
+ {
+ // timed out with no incoming data. Just return.
+ }
+ else if(status == EBADF)
+ {
+ // This happens when one of the file descriptors in the pollset is destroyed, which happens whenever a plugin's socket is closed.
+ // The pollset has been or will be recreated, so just return.
+ LL_DEBUGS("PluginPoll") << "apr_pollset_poll returned EBADF" << LL_ENDL;
+ }
+ else if(status != APR_SUCCESS)
+ {
+ LL_WARNS("PluginPoll") << "apr_pollset_poll failed with status " << status << LL_ENDL;
+ }
+ }
// Remove instances in the done state from the sInstances map.
mapInstances_t::iterator itClean = sInstances.begin();
@@ -1012,293 +1012,293 @@ void LLPluginProcessParent::poll(F64 timeout)
void LLPluginProcessParent::servicePoll()
{
- bool result = true;
-
- // poll signalled on this object's socket. Try to process incoming messages.
- if(mMessagePipe)
- {
- result = mMessagePipe->pumpInput(0.0f);
- }
-
- if(!result)
- {
- // If we got a read error on input, remove this pipe from the pollset
- apr_pollset_remove(sPollSet, &mPollFD);
-
- // and tell the code not to re-add it
- mPollFD.client_data = NULL;
- }
+ bool result = true;
+
+ // poll signalled on this object's socket. Try to process incoming messages.
+ if(mMessagePipe)
+ {
+ result = mMessagePipe->pumpInput(0.0f);
+ }
+
+ if(!result)
+ {
+ // If we got a read error on input, remove this pipe from the pollset
+ apr_pollset_remove(sPollSet, &mPollFD);
+
+ // and tell the code not to re-add it
+ mPollFD.client_data = NULL;
+ }
}
void LLPluginProcessParent::receiveMessageRaw(const std::string &message)
{
- LL_DEBUGS("Plugin") << "Received: " << message << LL_ENDL;
-
- LLPluginMessage parsed;
- if(LLSDParser::PARSE_FAILURE != parsed.parse(message))
- {
- if(parsed.hasValue("blocking_request"))
- {
- mBlocked = true;
- }
-
- if(mPolledInput)
- {
- // This is being called on the polling thread -- only do minimal processing/queueing.
- receiveMessageEarly(parsed);
- }
- else
- {
- // This is not being called on the polling thread -- do full message processing at this time.
- receiveMessage(parsed);
- }
- }
+ LL_DEBUGS("Plugin") << "Received: " << message << LL_ENDL;
+
+ LLPluginMessage parsed;
+ if(LLSDParser::PARSE_FAILURE != parsed.parse(message))
+ {
+ if(parsed.hasValue("blocking_request"))
+ {
+ mBlocked = true;
+ }
+
+ if(mPolledInput)
+ {
+ // This is being called on the polling thread -- only do minimal processing/queueing.
+ receiveMessageEarly(parsed);
+ }
+ else
+ {
+ // This is not being called on the polling thread -- do full message processing at this time.
+ receiveMessage(parsed);
+ }
+ }
}
void LLPluginProcessParent::receiveMessageEarly(const LLPluginMessage &message)
{
- // NOTE: this function will be called from the polling thread. It will be called with mIncomingQueueMutex _already locked_.
-
- bool handled = false;
-
- std::string message_class = message.getClass();
- if(message_class == LLPLUGIN_MESSAGE_CLASS_INTERNAL)
- {
- // no internal messages need to be handled early.
- }
- else
- {
- // Call out to the owner and see if they to reply
- // TODO: Should this only happen when blocked?
- if(mOwner != NULL)
- {
- handled = mOwner->receivePluginMessageEarly(message);
- }
- }
-
- if(!handled)
- {
- // any message that wasn't handled early needs to be queued.
- mIncomingQueue.push(message);
- }
+ // NOTE: this function will be called from the polling thread. It will be called with mIncomingQueueMutex _already locked_.
+
+ bool handled = false;
+
+ std::string message_class = message.getClass();
+ if(message_class == LLPLUGIN_MESSAGE_CLASS_INTERNAL)
+ {
+ // no internal messages need to be handled early.
+ }
+ else
+ {
+ // Call out to the owner and see if they to reply
+ // TODO: Should this only happen when blocked?
+ if(mOwner != NULL)
+ {
+ handled = mOwner->receivePluginMessageEarly(message);
+ }
+ }
+
+ if(!handled)
+ {
+ // any message that wasn't handled early needs to be queued.
+ mIncomingQueue.push(message);
+ }
}
void LLPluginProcessParent::receiveMessage(const LLPluginMessage &message)
{
- std::string message_class = message.getClass();
- if(message_class == LLPLUGIN_MESSAGE_CLASS_INTERNAL)
- {
- // internal messages should be handled here
- std::string message_name = message.getName();
- if(message_name == "hello")
- {
- if(mState == STATE_CONNECTED)
- {
- // Plugin host has launched. Tell it which plugin to load.
- setState(STATE_HELLO);
- }
- else
- {
- LL_WARNS("Plugin") << "received hello message in wrong state -- bailing out" << LL_ENDL;
- errorState();
- }
-
- }
- else if(message_name == "load_plugin_response")
- {
- if(mState == STATE_LOADING)
- {
- // Plugin has been loaded.
-
- mPluginVersionString = message.getValue("plugin_version");
- LL_INFOS("Plugin") << "plugin version string: " << mPluginVersionString << LL_ENDL;
-
- // Check which message classes/versions the plugin supports.
- // TODO: check against current versions
- // TODO: kill plugin on major mismatches?
- mMessageClassVersions = message.getValueLLSD("versions");
- LLSD::map_iterator iter;
- for(iter = mMessageClassVersions.beginMap(); iter != mMessageClassVersions.endMap(); iter++)
- {
- LL_INFOS("Plugin") << "message class: " << iter->first << " -> version: " << iter->second.asString() << LL_ENDL;
- }
-
- // Send initial sleep time
- llassert_always(mSleepTime != 0.f);
- setSleepTime(mSleepTime, true);
-
- setState(STATE_RUNNING);
- }
- else
- {
- LL_WARNS("Plugin") << "received load_plugin_response message in wrong state -- bailing out" << LL_ENDL;
- errorState();
- }
- }
- else if(message_name == "heartbeat")
- {
- // this resets our timer.
- mHeartbeat.setTimerExpirySec(mPluginLockupTimeout);
-
- mCPUUsage = message.getValueReal("cpu_usage");
-
- LL_DEBUGS("Plugin") << "cpu usage reported as " << mCPUUsage << LL_ENDL;
-
- }
- else if(message_name == "shm_add_response")
- {
- // Nothing to do here.
- }
- else if(message_name == "shm_remove_response")
- {
- std::string name = message.getValue("name");
- sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
-
- if(iter != mSharedMemoryRegions.end())
- {
- // destroy the shared memory region
- iter->second->destroy();
- delete iter->second;
- iter->second = NULL;
-
- // and remove it from our map
- mSharedMemoryRegions.erase(iter);
- }
- }
- else
- {
- LL_WARNS("Plugin") << "Unknown internal message from child: " << message_name << LL_ENDL;
- }
- }
- else
- {
- if(mOwner != NULL)
- {
- mOwner->receivePluginMessage(message);
- }
- }
+ std::string message_class = message.getClass();
+ if(message_class == LLPLUGIN_MESSAGE_CLASS_INTERNAL)
+ {
+ // internal messages should be handled here
+ std::string message_name = message.getName();
+ if(message_name == "hello")
+ {
+ if(mState == STATE_CONNECTED)
+ {
+ // Plugin host has launched. Tell it which plugin to load.
+ setState(STATE_HELLO);
+ }
+ else
+ {
+ LL_WARNS("Plugin") << "received hello message in wrong state -- bailing out" << LL_ENDL;
+ errorState();
+ }
+
+ }
+ else if(message_name == "load_plugin_response")
+ {
+ if(mState == STATE_LOADING)
+ {
+ // Plugin has been loaded.
+
+ mPluginVersionString = message.getValue("plugin_version");
+ LL_INFOS("Plugin") << "plugin version string: " << mPluginVersionString << LL_ENDL;
+
+ // Check which message classes/versions the plugin supports.
+ // TODO: check against current versions
+ // TODO: kill plugin on major mismatches?
+ mMessageClassVersions = message.getValueLLSD("versions");
+ LLSD::map_iterator iter;
+ for(iter = mMessageClassVersions.beginMap(); iter != mMessageClassVersions.endMap(); iter++)
+ {
+ LL_INFOS("Plugin") << "message class: " << iter->first << " -> version: " << iter->second.asString() << LL_ENDL;
+ }
+
+ // Send initial sleep time
+ llassert_always(mSleepTime != 0.f);
+ setSleepTime(mSleepTime, true);
+
+ setState(STATE_RUNNING);
+ }
+ else
+ {
+ LL_WARNS("Plugin") << "received load_plugin_response message in wrong state -- bailing out" << LL_ENDL;
+ errorState();
+ }
+ }
+ else if(message_name == "heartbeat")
+ {
+ // this resets our timer.
+ mHeartbeat.setTimerExpirySec(mPluginLockupTimeout);
+
+ mCPUUsage = message.getValueReal("cpu_usage");
+
+ LL_DEBUGS("Plugin") << "cpu usage reported as " << mCPUUsage << LL_ENDL;
+
+ }
+ else if(message_name == "shm_add_response")
+ {
+ // Nothing to do here.
+ }
+ else if(message_name == "shm_remove_response")
+ {
+ std::string name = message.getValue("name");
+ sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
+
+ if(iter != mSharedMemoryRegions.end())
+ {
+ // destroy the shared memory region
+ iter->second->destroy();
+ delete iter->second;
+ iter->second = NULL;
+
+ // and remove it from our map
+ mSharedMemoryRegions.erase(iter);
+ }
+ }
+ else
+ {
+ LL_WARNS("Plugin") << "Unknown internal message from child: " << message_name << LL_ENDL;
+ }
+ }
+ else
+ {
+ if(mOwner != NULL)
+ {
+ mOwner->receivePluginMessage(message);
+ }
+ }
}
std::string LLPluginProcessParent::addSharedMemory(size_t size)
{
- std::string name;
-
- LLPluginSharedMemory *region = new LLPluginSharedMemory;
-
- // This is a new region
- if(region->create(size))
- {
- name = region->getName();
-
- mSharedMemoryRegions.insert(sharedMemoryRegionsType::value_type(name, region));
-
- LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shm_add");
- message.setValue("name", name);
- message.setValueS32("size", (S32)size);
- sendMessage(message);
- }
- else
- {
- LL_WARNS("Plugin") << "Couldn't create a shared memory segment!" << LL_ENDL;
-
- // Don't leak
- delete region;
- }
-
- return name;
+ std::string name;
+
+ LLPluginSharedMemory *region = new LLPluginSharedMemory;
+
+ // This is a new region
+ if(region->create(size))
+ {
+ name = region->getName();
+
+ mSharedMemoryRegions.insert(sharedMemoryRegionsType::value_type(name, region));
+
+ LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shm_add");
+ message.setValue("name", name);
+ message.setValueS32("size", (S32)size);
+ sendMessage(message);
+ }
+ else
+ {
+ LL_WARNS("Plugin") << "Couldn't create a shared memory segment!" << LL_ENDL;
+
+ // Don't leak
+ delete region;
+ }
+
+ return name;
}
void LLPluginProcessParent::removeSharedMemory(const std::string &name)
{
- sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
-
- if(iter != mSharedMemoryRegions.end())
- {
- // This segment exists. Send the message to the child to unmap it. The response will cause the parent to unmap our end.
- LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shm_remove");
- message.setValue("name", name);
- sendMessage(message);
- }
- else
- {
- LL_WARNS("Plugin") << "Request to remove an unknown shared memory segment." << LL_ENDL;
- }
+ sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
+
+ if(iter != mSharedMemoryRegions.end())
+ {
+ // This segment exists. Send the message to the child to unmap it. The response will cause the parent to unmap our end.
+ LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "shm_remove");
+ message.setValue("name", name);
+ sendMessage(message);
+ }
+ else
+ {
+ LL_WARNS("Plugin") << "Request to remove an unknown shared memory segment." << LL_ENDL;
+ }
}
size_t LLPluginProcessParent::getSharedMemorySize(const std::string &name)
{
- size_t result = 0;
-
- sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
- if(iter != mSharedMemoryRegions.end())
- {
- result = iter->second->getSize();
- }
-
- return result;
+ size_t result = 0;
+
+ sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
+ if(iter != mSharedMemoryRegions.end())
+ {
+ result = iter->second->getSize();
+ }
+
+ return result;
}
void *LLPluginProcessParent::getSharedMemoryAddress(const std::string &name)
{
- void *result = NULL;
-
- sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
- if(iter != mSharedMemoryRegions.end())
- {
- result = iter->second->getMappedAddress();
- }
-
- return result;
+ void *result = NULL;
+
+ sharedMemoryRegionsType::iterator iter = mSharedMemoryRegions.find(name);
+ if(iter != mSharedMemoryRegions.end())
+ {
+ result = iter->second->getMappedAddress();
+ }
+
+ return result;
}
std::string LLPluginProcessParent::getMessageClassVersion(const std::string &message_class)
{
- std::string result;
-
- if(mMessageClassVersions.has(message_class))
- {
- result = mMessageClassVersions[message_class].asString();
- }
-
- return result;
+ std::string result;
+
+ if(mMessageClassVersions.has(message_class))
+ {
+ result = mMessageClassVersions[message_class].asString();
+ }
+
+ return result;
}
std::string LLPluginProcessParent::getPluginVersion(void)
{
- return mPluginVersionString;
+ return mPluginVersionString;
}
void LLPluginProcessParent::setState(EState state)
{
- LL_DEBUGS("Plugin") << "setting state to " << state << LL_ENDL;
- mState = state;
+ LL_DEBUGS("Plugin") << "setting state to " << state << LL_ENDL;
+ mState = state;
};
bool LLPluginProcessParent::pluginLockedUpOrQuit()
{
- bool result = false;
-
- if (! LLProcess::isRunning(mProcess))
- {
- LL_WARNS("Plugin") << "child exited" << LL_ENDL;
- result = true;
- }
- else if(pluginLockedUp())
- {
- LL_WARNS("Plugin") << "timeout" << LL_ENDL;
- result = true;
- }
-
- return result;
+ bool result = false;
+
+ if (! LLProcess::isRunning(mProcess))
+ {
+ LL_WARNS("Plugin") << "child exited" << LL_ENDL;
+ result = true;
+ }
+ else if(pluginLockedUp())
+ {
+ LL_WARNS("Plugin") << "timeout" << LL_ENDL;
+ result = true;
+ }
+
+ return result;
}
bool LLPluginProcessParent::pluginLockedUp()
{
- if(mDisableTimeout || mDebug || mBlocked)
- {
- // Never time out a plugin process in these cases.
- return false;
- }
-
- // If the timer is running and has expired, the plugin has locked up.
- return (mHeartbeat.getStarted() && mHeartbeat.hasExpired());
+ if(mDisableTimeout || mDebug || mBlocked)
+ {
+ // Never time out a plugin process in these cases.
+ return false;
+ }
+
+ // If the timer is running and has expired, the plugin has locked up.
+ return (mHeartbeat.getStarted() && mHeartbeat.hasExpired());
}