diff options
Diffstat (limited to 'indra/llplugin')
| -rw-r--r-- | indra/llplugin/llplugininstance.cpp | 35 | ||||
| -rw-r--r-- | indra/llplugin/llplugininstance.h | 35 | ||||
| -rw-r--r-- | indra/llplugin/llpluginmessage.cpp | 35 | ||||
| -rw-r--r-- | indra/llplugin/llpluginmessage.h | 35 | ||||
| -rw-r--r-- | indra/llplugin/llpluginmessageclasses.h | 35 | ||||
| -rw-r--r-- | indra/llplugin/llpluginmessagepipe.cpp | 156 | ||||
| -rw-r--r-- | indra/llplugin/llpluginmessagepipe.h | 44 | ||||
| -rw-r--r-- | indra/llplugin/llpluginprocesschild.cpp | 112 | ||||
| -rw-r--r-- | indra/llplugin/llpluginprocesschild.h | 40 | ||||
| -rw-r--r-- | indra/llplugin/llpluginprocessparent.cpp | 489 | ||||
| -rw-r--r-- | indra/llplugin/llpluginprocessparent.h | 65 | ||||
| -rw-r--r-- | indra/llplugin/llpluginsharedmemory.cpp | 35 | ||||
| -rw-r--r-- | indra/llplugin/llpluginsharedmemory.h | 35 | ||||
| -rw-r--r-- | indra/llplugin/slplugin/CMakeLists.txt | 39 | ||||
| -rw-r--r-- | indra/llplugin/slplugin/slplugin-objc.h | 35 | ||||
| -rw-r--r-- | indra/llplugin/slplugin/slplugin-objc.mm | 82 | ||||
| -rw-r--r-- | indra/llplugin/slplugin/slplugin.cpp | 163 | ||||
| -rw-r--r-- | indra/llplugin/slplugin/slplugin_info.plist | 4 |
18 files changed, 1107 insertions, 367 deletions
diff --git a/indra/llplugin/llplugininstance.cpp b/indra/llplugin/llplugininstance.cpp index 44e3b4950f..c326961db4 100644 --- a/indra/llplugin/llplugininstance.cpp +++ b/indra/llplugin/llplugininstance.cpp @@ -3,30 +3,25 @@ * @brief LLPluginInstance handles loading the dynamic library of a plugin and setting up its entry points for message passing. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llplugininstance.h b/indra/llplugin/llplugininstance.h index c11d5ab5d4..50531ca77f 100644 --- a/indra/llplugin/llplugininstance.h +++ b/indra/llplugin/llplugininstance.h @@ -2,30 +2,25 @@ * @file llplugininstance.h * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llpluginmessage.cpp b/indra/llplugin/llpluginmessage.cpp index f76d848a70..b39e951155 100644 --- a/indra/llplugin/llpluginmessage.cpp +++ b/indra/llplugin/llpluginmessage.cpp @@ -3,30 +3,25 @@ * @brief LLPluginMessage encapsulates the serialization/deserialization of messages passed to and from plugins. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llpluginmessage.h b/indra/llplugin/llpluginmessage.h index cbd31e0964..f86b68d16e 100644 --- a/indra/llplugin/llpluginmessage.h +++ b/indra/llplugin/llpluginmessage.h @@ -2,30 +2,25 @@ * @file llpluginmessage.h * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llpluginmessageclasses.h b/indra/llplugin/llpluginmessageclasses.h index 01fddb92c5..65fc8cb5ff 100644 --- a/indra/llplugin/llpluginmessageclasses.h +++ b/indra/llplugin/llpluginmessageclasses.h @@ -3,30 +3,25 @@ * @brief This file defines the versions of existing message classes for LLPluginMessage. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llpluginmessagepipe.cpp b/indra/llplugin/llpluginmessagepipe.cpp index 1d7ddc5592..8d13e38ad5 100644 --- a/indra/llplugin/llpluginmessagepipe.cpp +++ b/indra/llplugin/llpluginmessagepipe.cpp @@ -3,30 +3,25 @@ * @brief Classes that implement connections from the plugin system to pipes/pumps. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 */ @@ -96,11 +91,14 @@ void LLPluginMessagePipeOwner::killMessagePipe(void) } } -LLPluginMessagePipe::LLPluginMessagePipe(LLPluginMessagePipeOwner *owner, LLSocket::ptr_t socket) +LLPluginMessagePipe::LLPluginMessagePipe(LLPluginMessagePipeOwner *owner, LLSocket::ptr_t socket): + mInputMutex(gAPRPoolp), + mOutputMutex(gAPRPoolp), + mOwner(owner), + mSocket(socket) { - mOwner = owner; + mOwner->setMessagePipe(this); - mSocket = socket; } LLPluginMessagePipe::~LLPluginMessagePipe() @@ -114,6 +112,7 @@ LLPluginMessagePipe::~LLPluginMessagePipe() bool LLPluginMessagePipe::addMessage(const std::string &message) { // queue the message for later output + LLMutexLock lock(&mOutputMutex); mOutput += message; mOutput += MESSAGE_DELIMITER; // message separator @@ -149,6 +148,18 @@ void LLPluginMessagePipe::setSocketTimeout(apr_interval_time_t timeout_usec) bool LLPluginMessagePipe::pump(F64 timeout) { + bool result = pumpOutput(); + + if(result) + { + result = pumpInput(timeout); + } + + return result; +} + +bool LLPluginMessagePipe::pumpOutput() +{ bool result = true; if(mSocket) @@ -156,6 +167,7 @@ bool LLPluginMessagePipe::pump(F64 timeout) apr_status_t status; apr_size_t size; + LLMutexLock lock(&mOutputMutex); if(!mOutput.empty()) { // write any outgoing messages @@ -183,6 +195,17 @@ bool LLPluginMessagePipe::pump(F64 timeout) // remove the written part from the buffer and try again later. mOutput = mOutput.substr(size); } + else if(APR_STATUS_IS_EOF(status)) + { + // This is what we normally expect when a plugin exits. + llinfos << "Got EOF from plugin socket. " << llendl; + + if(mOwner) + { + mOwner->socketError(status); + } + result = false; + } else { // some other error @@ -196,6 +219,19 @@ bool LLPluginMessagePipe::pump(F64 timeout) result = false; } } + } + + return result; +} + +bool LLPluginMessagePipe::pumpInput(F64 timeout) +{ + bool result = true; + + if(mSocket) + { + apr_status_t status; + apr_size_t size; // FIXME: For some reason, the apr timeout stuff isn't working properly on windows. // Until such time as we figure out why, don't try to use the socket timeout -- just sleep here instead. @@ -216,8 +252,16 @@ bool LLPluginMessagePipe::pump(F64 timeout) char input_buf[1024]; apr_size_t request_size; - // Start out by reading one byte, so that any data received will wake us up. - request_size = 1; + if(timeout == 0.0f) + { + // If we have no timeout, start out with a full read. + request_size = sizeof(input_buf); + } + else + { + // Start out by reading one byte, so that any data received will wake us up. + request_size = 1; + } // and use the timeout so we'll sleep if no data is available. setSocketTimeout((apr_interval_time_t)(timeout * 1000000)); @@ -236,11 +280,14 @@ bool LLPluginMessagePipe::pump(F64 timeout) // LL_INFOS("Plugin") << "after apr_socket_recv, size = " << size << LL_ENDL; if(size > 0) + { + LLMutexLock lock(&mInputMutex); mInput.append(input_buf, size); + } if(status == APR_SUCCESS) { -// llinfos << "success, read " << size << llendl; + LL_DEBUGS("PluginSocket") << "success, read " << size << LL_ENDL; if(size != request_size) { @@ -250,16 +297,28 @@ bool LLPluginMessagePipe::pump(F64 timeout) } else if(APR_STATUS_IS_TIMEUP(status)) { -// llinfos << "TIMEUP, read " << size << llendl; + LL_DEBUGS("PluginSocket") << "TIMEUP, read " << size << LL_ENDL; // Timeout was hit. Since the initial read is 1 byte, this should never be a partial read. break; } else if(APR_STATUS_IS_EAGAIN(status)) { -// llinfos << "EAGAIN, read " << size << llendl; + LL_DEBUGS("PluginSocket") << "EAGAIN, read " << size << LL_ENDL; + + // Non-blocking read returned immediately. + break; + } + else if(APR_STATUS_IS_EOF(status)) + { + // This is what we normally expect when a plugin exits. + LL_INFOS("PluginSocket") << "Got EOF from plugin socket. " << LL_ENDL; - // We've been doing partial reads, and we're done now. + if(mOwner) + { + mOwner->socketError(status); + } + result = false; break; } else @@ -276,22 +335,18 @@ bool LLPluginMessagePipe::pump(F64 timeout) break; } - // Second and subsequent reads should not use the timeout - setSocketTimeout(0); - // and should try to fill the input buffer - request_size = sizeof(input_buf); + if(timeout != 0.0f) + { + // Second and subsequent reads should not use the timeout + setSocketTimeout(0); + // and should try to fill the input buffer + request_size = sizeof(input_buf); + } } processInput(); } } - - if(!result) - { - // If we got an error, we're done. - LL_INFOS("Plugin") << "Error from socket, cleaning up." << LL_ENDL; - delete this; - } return result; } @@ -299,26 +354,27 @@ bool LLPluginMessagePipe::pump(F64 timeout) void LLPluginMessagePipe::processInput(void) { // Look for input delimiter(s) in the input buffer. - int start = 0; int delim; - while((delim = mInput.find(MESSAGE_DELIMITER, start)) != std::string::npos) + mInputMutex.lock(); + while((delim = mInput.find(MESSAGE_DELIMITER)) != std::string::npos) { // Let the owner process this message if (mOwner) { - mOwner->receiveMessageRaw(mInput.substr(start, delim - start)); + // Pull the message out of the input buffer before calling receiveMessageRaw. + // It's now possible for this function to get called recursively (in the case where the plugin makes a blocking request) + // and this guarantees that the messages will get dequeued correctly. + std::string message(mInput, 0, delim); + mInput.erase(0, delim + 1); + mInputMutex.unlock(); + mOwner->receiveMessageRaw(message); + mInputMutex.lock(); } else { LL_WARNS("Plugin") << "!mOwner" << LL_ENDL; } - - start = delim + 1; } - - // Remove delivered messages from the input buffer. - if(start != 0) - mInput = mInput.substr(start); - + mInputMutex.unlock(); } diff --git a/indra/llplugin/llpluginmessagepipe.h b/indra/llplugin/llpluginmessagepipe.h index 1ddb38de68..627577beb1 100644 --- a/indra/llplugin/llpluginmessagepipe.h +++ b/indra/llplugin/llpluginmessagepipe.h @@ -3,30 +3,25 @@ * @brief Classes that implement connections from the plugin system to pipes/pumps. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 */ @@ -35,6 +30,7 @@ #define LL_LLPLUGINMESSAGEPIPE_H #include "lliosocket.h" +#include "llthread.h" class LLPluginMessagePipe; @@ -51,7 +47,7 @@ public: virtual apr_status_t socketError(apr_status_t error); // called from LLPluginMessagePipe to manage the connection with LLPluginMessagePipeOwner -- do not use! - virtual void setMessagePipe(LLPluginMessagePipe *message_pipe) ; + virtual void setMessagePipe(LLPluginMessagePipe *message_pipe); protected: // returns false if writeMessageRaw() would drop the message @@ -76,14 +72,18 @@ public: void clearOwner(void); bool pump(F64 timeout = 0.0f); - + bool pumpOutput(); + bool pumpInput(F64 timeout = 0.0f); + protected: void processInput(void); // used internally by pump() void setSocketTimeout(apr_interval_time_t timeout_usec); + LLMutex mInputMutex; std::string mInput; + LLMutex mOutputMutex; std::string mOutput; LLPluginMessagePipeOwner *mOwner; diff --git a/indra/llplugin/llpluginprocesschild.cpp b/indra/llplugin/llpluginprocesschild.cpp index ccaf95b36d..45a86476ac 100644 --- a/indra/llplugin/llpluginprocesschild.cpp +++ b/indra/llplugin/llpluginprocesschild.cpp @@ -3,30 +3,25 @@ * @brief LLPluginProcessChild handles the child side of the external-process plugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ @@ -48,6 +43,8 @@ LLPluginProcessChild::LLPluginProcessChild() mSocket = LLSocket::create(gAPRPoolp, LLSocket::STREAM_TCP); mSleepTime = PLUGIN_IDLE_SECONDS; // default: send idle messages at 100Hz mCPUElapsed = 0.0f; + mBlockingRequest = false; + mBlockingResponseReceived = false; } LLPluginProcessChild::~LLPluginProcessChild() @@ -83,9 +80,14 @@ void LLPluginProcessChild::idle(void) bool idle_again; do { - if(mSocketError != APR_SUCCESS) + if(APR_STATUS_IS_EOF(mSocketError)) + { + // Plugin socket was closed. This covers both normal plugin termination and host crashes. + setState(STATE_ERROR); + } + else if(mSocketError != APR_SUCCESS) { - LL_INFOS("Plugin") << "message pipe is in error state, moving to STATE_ERROR"<< LL_ENDL; + LL_INFOS("Plugin") << "message pipe is in error state (" << mSocketError << "), moving to STATE_ERROR"<< LL_ENDL; setState(STATE_ERROR); } @@ -226,6 +228,7 @@ void LLPluginProcessChild::idle(void) void LLPluginProcessChild::sleep(F64 seconds) { + deliverQueuedMessages(); if(mMessagePipe) { mMessagePipe->pump(seconds); @@ -238,6 +241,7 @@ void LLPluginProcessChild::sleep(F64 seconds) void LLPluginProcessChild::pump(void) { + deliverQueuedMessages(); if(mMessagePipe) { mMessagePipe->pump(0.0f); @@ -309,15 +313,32 @@ void LLPluginProcessChild::receiveMessageRaw(const std::string &message) LL_DEBUGS("Plugin") << "Received from parent: " << message << LL_ENDL; + // Decode this message + LLPluginMessage parsed; + parsed.parse(message); + + if(mBlockingRequest) + { + // We're blocking the plugin waiting for a response. + + if(parsed.hasValue("blocking_response")) + { + // This is the message we've been waiting for -- fall through and send it immediately. + mBlockingResponseReceived = true; + } + else + { + // Still waiting. Queue this message and don't process it yet. + mMessageQueue.push(message); + return; + } + } + bool passMessage = true; // FIXME: how should we handle queueing here? { - // Decode this message - LLPluginMessage parsed; - parsed.parse(message); - std::string message_class = parsed.getClass(); if(message_class == LLPLUGIN_MESSAGE_CLASS_INTERNAL) { @@ -425,7 +446,13 @@ void LLPluginProcessChild::receiveMessageRaw(const std::string &message) void LLPluginProcessChild::receivePluginMessage(const std::string &message) { LL_DEBUGS("Plugin") << "Received from plugin: " << message << LL_ENDL; - + + if(mBlockingRequest) + { + // + LL_ERRS("Plugin") << "Can't send a message while already waiting on a blocking request -- aborting!" << LL_ENDL; + } + // Incoming message from the plugin instance bool passMessage = true; @@ -436,6 +463,12 @@ void LLPluginProcessChild::receivePluginMessage(const std::string &message) // Decode this message LLPluginMessage parsed; parsed.parse(message); + + if(parsed.hasValue("blocking_request")) + { + mBlockingRequest = true; + } + std::string message_class = parsed.getClass(); if(message_class == "base") { @@ -494,6 +527,19 @@ void LLPluginProcessChild::receivePluginMessage(const std::string &message) LL_DEBUGS("Plugin") << "Passing through to parent: " << message << LL_ENDL; writeMessageRaw(message); } + + while(mBlockingRequest) + { + // The plugin wants to block and wait for a response to this message. + sleep(mSleepTime); // this will pump the message pipe and process messages + + if(mBlockingResponseReceived || mSocketError != APR_SUCCESS || (mMessagePipe == NULL)) + { + // Response has been received, or we've hit an error state. Stop waiting. + mBlockingRequest = false; + mBlockingResponseReceived = false; + } + } } @@ -502,3 +548,15 @@ void LLPluginProcessChild::setState(EState state) LL_DEBUGS("Plugin") << "setting state to " << state << LL_ENDL; mState = state; }; + +void LLPluginProcessChild::deliverQueuedMessages() +{ + if(!mBlockingRequest) + { + while(!mMessageQueue.empty()) + { + receiveMessageRaw(mMessageQueue.front()); + mMessageQueue.pop(); + } + } +} diff --git a/indra/llplugin/llpluginprocesschild.h b/indra/llplugin/llpluginprocesschild.h index 0e5e85406a..22ff403ad6 100644 --- a/indra/llplugin/llpluginprocesschild.h +++ b/indra/llplugin/llpluginprocesschild.h @@ -3,30 +3,25 @@ * @brief LLPluginProcessChild handles the child side of the external-process plugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 */ @@ -106,6 +101,11 @@ private: LLTimer mHeartbeat; F64 mSleepTime; F64 mCPUElapsed; + bool mBlockingRequest; + bool mBlockingResponseReceived; + std::queue<std::string> mMessageQueue; + + void deliverQueuedMessages(); }; diff --git a/indra/llplugin/llpluginprocessparent.cpp b/indra/llplugin/llpluginprocessparent.cpp index 895c858979..c002de0462 100644 --- a/indra/llplugin/llpluginprocessparent.cpp +++ b/indra/llplugin/llpluginprocessparent.cpp @@ -3,30 +3,25 @@ * @brief LLPluginProcessParent handles the parent side of the external-process plugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 */ @@ -45,8 +40,51 @@ LLPluginProcessParentOwner::~LLPluginProcessParentOwner() } -LLPluginProcessParent::LLPluginProcessParent(LLPluginProcessParentOwner *owner) +bool LLPluginProcessParent::sUseReadThread = false; +apr_pollset_t *LLPluginProcessParent::sPollSet = NULL; +bool LLPluginProcessParent::sPollsetNeedsRebuild = false; +LLMutex *LLPluginProcessParent::sInstancesMutex; +std::list<LLPluginProcessParent*> LLPluginProcessParent::sInstances; +LLThread *LLPluginProcessParent::sReadThread = NULL; + + +class LLPluginProcessParentPollThread: public LLThread { +public: + 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()); + } + +}; + +LLPluginProcessParent::LLPluginProcessParent(LLPluginProcessParentOwner *owner): + mIncomingQueueMutex(gAPRPoolp) +{ + if(!sInstancesMutex) + { + sInstancesMutex = new LLMutex(gAPRPoolp); + } + mOwner = owner; mBoundPort = 0; mState = STATE_UNINITIALIZED; @@ -54,18 +92,37 @@ LLPluginProcessParent::LLPluginProcessParent(LLPluginProcessParentOwner *owner) 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(); + + // Don't add to the global list until fully constructed. + { + LLMutexLock lock(sInstancesMutex); + sInstances.push_back(this); + } } LLPluginProcessParent::~LLPluginProcessParent() { LL_DEBUGS("Plugin") << "destructor" << LL_ENDL; + // Remove from the global list before beginning destruction. + { + // Make sure to get the global mutex _first_ here, to avoid a possible deadlock against LLPluginProcessParent::poll() + LLMutexLock lock(sInstancesMutex); + { + LLMutexLock lock2(&mIncomingQueueMutex); + sInstances.remove(this); + } + } + // Destroy any remaining shared memory regions sharedMemoryRegionsType::iterator iter; while((iter = mSharedMemoryRegions.begin()) != mSharedMemoryRegions.end()) @@ -77,15 +134,17 @@ LLPluginProcessParent::~LLPluginProcessParent() mSharedMemoryRegions.erase(iter); } - // orphaning the process means it won't be killed when the LLProcessLauncher is destructed. - // This is what we want -- it should exit cleanly once it notices the sockets have been closed. - mProcess.orphan(); + mProcess.kill(); killSockets(); } void LLPluginProcessParent::killSockets(void) { - killMessagePipe(); + { + LLMutexLock lock(&mIncomingQueueMutex); + killMessagePipe(); + } + mListenSocket.reset(); mSocket.reset(); } @@ -159,21 +218,47 @@ void LLPluginProcessParent::idle(void) do { + // process queued messages + mIncomingQueueMutex.lock(); + while(!mIncomingQueue.empty()) + { + LLPluginMessage message = mIncomingQueue.front(); + mIncomingQueue.pop(); + mIncomingQueueMutex.unlock(); + + receiveMessage(message); + + mIncomingQueueMutex.lock(); + } + + mIncomingQueueMutex.unlock(); + // Give time to network processing if(mMessagePipe) { - if(!mMessagePipe->pump()) + // Drain any queued outgoing messages + mMessagePipe->pumpOutput(); + + // Only do input processing here if this instance isn't in a pollset. + if(!mPolledInput) { -// LL_WARNS("Plugin") << "Message pipe hit an error state" << LL_ENDL; - errorState(); + mMessagePipe->pumpInput(); } } - - if((mSocketError != APR_SUCCESS) && (mState <= STATE_RUNNING)) + + if(mState <= STATE_RUNNING) { - // The socket is in an error state -- the plugin is gone. - LL_WARNS("Plugin") << "Socket hit an error state (" << mSocketError << ")" << LL_ENDL; - errorState(); + 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(). @@ -354,7 +439,7 @@ void LLPluginProcessParent::idle(void) break; case STATE_HELLO: - LL_DEBUGS("Plugin") << "received hello message" << llendl; + LL_DEBUGS("Plugin") << "received hello message" << LL_ENDL; // Send the message to load the plugin { @@ -388,7 +473,7 @@ void LLPluginProcessParent::idle(void) } else if(pluginLockedUp()) { - LL_WARNS("Plugin") << "timeout in exiting state, bailing out" << llendl; + LL_WARNS("Plugin") << "timeout in exiting state, bailing out" << LL_ENDL; errorState(); } break; @@ -410,8 +495,7 @@ void LLPluginProcessParent::idle(void) break; case STATE_CLEANUP: - // Don't do a kill here anymore -- closing the sockets is the new 'kill'. - mProcess.orphan(); + mProcess.kill(); killSockets(); setState(STATE_DONE); break; @@ -479,23 +563,323 @@ void LLPluginProcessParent::setSleepTime(F64 sleep_time, bool force_send) 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(); + } +} + +//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(); + } +} + +//static +void LLPluginProcessParent::dirtyPollSet() +{ + 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; + } + + std::list<LLPluginProcessParent*>::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)->mPolledInput = false; + if((*iter)->mPollFD.client_data) + { + // 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) + { +#endif // APR_POLLSET_NOCOPY + 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++) + { + if((*iter)->mPollFD.client_data) + { + status = apr_pollset_add(sPollSet, &((*iter)->mPollFD)); + if(status == APR_SUCCESS) + { + (*iter)->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; + } + } + + } +} + +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. + for(int i = 0; i < count; i++) + { + LLPluginProcessParent *self = (LLPluginProcessParent *)(descriptors[i].client_data); + // NOTE: the descriptor returned here is actually a COPY of the original (even though we create the pollset with APR_POLLSET_NOCOPY). + // This means that even if the parent has set its mPollFD.client_data to NULL, the old pointer may still there in this descriptor. + // It's even possible that the old pointer no longer points to a valid LLPluginProcessParent. + // This means that we can't safely dereference the 'self' pointer here without some extra steps... + if(self) + { + // Make sure this pointer is still in the instances list + bool valid = false; + { + LLMutexLock lock(sInstancesMutex); + for(std::list<LLPluginProcessParent*>::iterator iter = sInstances.begin(); iter != sInstances.end(); ++iter) + { + if(*iter == self) + { + // Lock the instance's mutex before unlocking the global mutex. + // This avoids a possible race condition where the instance gets deleted between this check and the servicePoll() call. + self->mIncomingQueueMutex.lock(); + valid = true; + break; + } + } + } + + if(valid) + { + // The instance is still valid. + // Pull incoming messages off the socket + self->servicePoll(); + self->mIncomingQueueMutex.unlock(); + } + else + { + LL_DEBUGS("PluginPoll") << "detected deleted instance " << self << 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; + } + } +} + +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; + } +} void LLPluginProcessParent::receiveMessageRaw(const std::string &message) { LL_DEBUGS("Plugin") << "Received: " << message << LL_ENDL; - - // FIXME: should this go into a queue instead? LLPluginMessage parsed; if(parsed.parse(message) != -1) { - receiveMessage(parsed); + 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); } } @@ -689,18 +1073,15 @@ bool LLPluginProcessParent::pluginLockedUpOrQuit() { bool result = false; - if(!mDisableTimeout && !mDebug) + if(!mProcess.isRunning()) { - if(!mProcess.isRunning()) - { - LL_WARNS("Plugin") << "child exited" << llendl; - result = true; - } - else if(pluginLockedUp()) - { - LL_WARNS("Plugin") << "timeout" << llendl; - result = true; - } + LL_WARNS("Plugin") << "child exited" << LL_ENDL; + result = true; + } + else if(pluginLockedUp()) + { + LL_WARNS("Plugin") << "timeout" << LL_ENDL; + result = true; } return result; @@ -708,6 +1089,12 @@ bool LLPluginProcessParent::pluginLockedUpOrQuit() 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()); } diff --git a/indra/llplugin/llpluginprocessparent.h b/indra/llplugin/llpluginprocessparent.h index cc6c513615..32394809ef 100644 --- a/indra/llplugin/llpluginprocessparent.h +++ b/indra/llplugin/llpluginprocessparent.h @@ -3,30 +3,25 @@ * @brief LLPluginProcessParent handles the parent side of the external-process plugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ @@ -41,12 +36,14 @@ #include "llpluginsharedmemory.h" #include "lliosocket.h" +#include "llthread.h" class LLPluginProcessParentOwner { public: virtual ~LLPluginProcessParentOwner(); virtual void receivePluginMessage(const LLPluginMessage &message) = 0; + virtual bool receivePluginMessageEarly(const LLPluginMessage &message) {return false;}; // This will only be called when the plugin has died unexpectedly virtual void pluginLaunchFailed() {}; virtual void pluginDied() {}; @@ -74,6 +71,9 @@ public: // returns true if the process has exited or we've had a fatal error bool isDone(void); + // returns true if the process is currently waiting on a blocking request + bool isBlocked(void) { return mBlocked; }; + void killSockets(void); // Go to the proper error state @@ -87,7 +87,9 @@ public: void receiveMessage(const LLPluginMessage &message); // Inherited from LLPluginMessagePipeOwner - void receiveMessageRaw(const std::string &message); + /*virtual*/ void receiveMessageRaw(const std::string &message); + /*virtual*/ void receiveMessageEarly(const LLPluginMessage &message); + /*virtual*/ void setMessagePipe(LLPluginMessagePipe *message_pipe) ; // This adds a memory segment shared with the client, generating a name for the segment. The name generated is guaranteed to be unique on the host. // The caller must call removeSharedMemory first (and wait until getSharedMemorySize returns 0 for the indicated name) before re-adding a segment with the same name. @@ -110,7 +112,11 @@ public: void setLockupTimeout(F32 timeout) { mPluginLockupTimeout = timeout; }; F64 getCPUUsage() { return mCPUUsage; }; - + + static void poll(F64 timeout); + static bool canPollThreadRun() { return (sPollSet || sPollsetNeedsRebuild || sUseReadThread); }; + static void setUseReadThread(bool use_read_thread); + static bool getUseReadThread() { return sUseReadThread; }; private: enum EState @@ -160,12 +166,27 @@ private: bool mDisableTimeout; bool mDebug; + bool mBlocked; + bool mPolledInput; LLProcessLauncher mDebugger; F32 mPluginLaunchTimeout; // Somewhat longer timeout for initial launch. F32 mPluginLockupTimeout; // If we don't receive a heartbeat in this many seconds, we declare the plugin locked up. + static bool sUseReadThread; + apr_pollfd_t mPollFD; + static apr_pollset_t *sPollSet; + static bool sPollsetNeedsRebuild; + static LLMutex *sInstancesMutex; + static std::list<LLPluginProcessParent*> sInstances; + static void dirtyPollSet(); + static void updatePollset(); + void servicePoll(); + static LLThread *sReadThread; + + LLMutex mIncomingQueueMutex; + std::queue<LLPluginMessage> mIncomingQueue; }; #endif // LL_LLPLUGINPROCESSPARENT_H diff --git a/indra/llplugin/llpluginsharedmemory.cpp b/indra/llplugin/llpluginsharedmemory.cpp index 9c18b410c7..63ff5085c6 100644 --- a/indra/llplugin/llpluginsharedmemory.cpp +++ b/indra/llplugin/llpluginsharedmemory.cpp @@ -3,30 +3,25 @@ * LLPluginSharedMemory manages a shared memory segment for use by the LLPlugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/llpluginsharedmemory.h b/indra/llplugin/llpluginsharedmemory.h index 00c54ef08c..c6cd49cabb 100644 --- a/indra/llplugin/llpluginsharedmemory.h +++ b/indra/llplugin/llpluginsharedmemory.h @@ -2,30 +2,25 @@ * @file llpluginsharedmemory.h * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * 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. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * 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. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ diff --git a/indra/llplugin/slplugin/CMakeLists.txt b/indra/llplugin/slplugin/CMakeLists.txt index 4a7d670c23..08d35f9ae7 100644 --- a/indra/llplugin/slplugin/CMakeLists.txt +++ b/indra/llplugin/slplugin/CMakeLists.txt @@ -16,6 +16,7 @@ include_directories( if (DARWIN) include(CMakeFindFrameworks) find_library(CARBON_LIBRARY Carbon) + find_library(COCOA_LIBRARY Cocoa) endif (DARWIN) @@ -25,11 +26,33 @@ set(SLPlugin_SOURCE_FILES slplugin.cpp ) +if (DARWIN) + list(APPEND SLPlugin_SOURCE_FILES + slplugin-objc.mm + ) + list(APPEND SLPlugin_HEADER_FILES + slplugin-objc.h + ) +endif (DARWIN) + +set_source_files_properties(${SLPlugin_HEADER_FILES} + PROPERTIES HEADER_FILE_ONLY TRUE) + +if (SLPlugin_HEADER_FILES) + list(APPEND SLPlugin_SOURCE_FILES ${SLPlugin_HEADER_FILES}) +endif (SLPlugin_HEADER_FILES) + add_executable(SLPlugin WIN32 + MACOSX_BUNDLE ${SLPlugin_SOURCE_FILES} ) +set_target_properties(SLPlugin + PROPERTIES + MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/slplugin_info.plist + ) + target_link_libraries(SLPlugin ${LLPLUGIN_LIBRARIES} ${LLMESSAGE_LIBRARIES} @@ -44,12 +67,16 @@ add_dependencies(SLPlugin ) if (DARWIN) - # Mac version needs to link against carbon, and also needs an embedded plist (to set LSBackgroundOnly) - target_link_libraries(SLPlugin ${CARBON_LIBRARY}) - set_target_properties( - SLPlugin - PROPERTIES - LINK_FLAGS "-Wl,-sectcreate,__TEXT,__info_plist,${CMAKE_CURRENT_SOURCE_DIR}/slplugin_info.plist" + # Mac version needs to link against Carbon + target_link_libraries(SLPlugin ${CARBON_LIBRARY} ${COCOA_LIBRARY}) + # Make sure the app bundle has a Resources directory (it will get populated by viewer-manifest.py later) + add_custom_command( + TARGET SLPlugin POST_BUILD + COMMAND mkdir + ARGS + -p + ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/SLPlugin.app/Contents/Resources ) endif (DARWIN) +ll_deploy_sharedlibs_command(SLPlugin) diff --git a/indra/llplugin/slplugin/slplugin-objc.h b/indra/llplugin/slplugin/slplugin-objc.h new file mode 100644 index 0000000000..602d848f7e --- /dev/null +++ b/indra/llplugin/slplugin/slplugin-objc.h @@ -0,0 +1,35 @@ +/** + * @file slplugin-objc.h + * @brief Header file for slplugin-objc.mm. + * + * @cond + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 + */ + + +/* Defined in slplugin-objc.mm: */ +void setupCocoa(); +void createAutoReleasePool(); +void deleteAutoReleasePool(); diff --git a/indra/llplugin/slplugin/slplugin-objc.mm b/indra/llplugin/slplugin/slplugin-objc.mm new file mode 100644 index 0000000000..646416b9d2 --- /dev/null +++ b/indra/llplugin/slplugin/slplugin-objc.mm @@ -0,0 +1,82 @@ +/** + * @file slplugin-objc.mm + * @brief Objective-C++ file for use with the loader shell, so we can use a couple of Cocoa APIs. + * + * @cond + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 + */ + + +#include <AppKit/AppKit.h> + +#include "slplugin-objc.h" + + +void setupCocoa() +{ + static bool inited = false; + + if(!inited) + { + createAutoReleasePool(); + + // The following prevents the Cocoa command line parser from trying to open 'unknown' arguements as documents. + // ie. running './secondlife -set Language fr' would cause a pop-up saying can't open document 'fr' + // when init'ing the Cocoa App window. + [[NSUserDefaults standardUserDefaults] setObject:@"NO" forKey:@"NSTreatUnknownArgumentsAsOpen"]; + + // This is a bit of voodoo taken from the Apple sample code "CarbonCocoa_PictureCursor": + // http://developer.apple.com/samplecode/CarbonCocoa_PictureCursor/index.html + + // Needed for Carbon based applications which call into Cocoa + NSApplicationLoad(); + + // Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image + [[[NSWindow alloc] init] release]; + + deleteAutoReleasePool(); + + inited = true; + } +} + +static NSAutoreleasePool *sPool = NULL; + +void createAutoReleasePool() +{ + if(!sPool) + { + sPool = [[NSAutoreleasePool alloc] init]; + } +} + +void deleteAutoReleasePool() +{ + if(sPool) + { + [sPool release]; + sPool = NULL; + } +} diff --git a/indra/llplugin/slplugin/slplugin.cpp b/indra/llplugin/slplugin/slplugin.cpp index 77240ce546..7d69e1c5cd 100644 --- a/indra/llplugin/slplugin/slplugin.cpp +++ b/indra/llplugin/slplugin/slplugin.cpp @@ -4,30 +4,25 @@ * * @cond * - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 - * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception - * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. - * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 @@ -44,6 +39,7 @@ #if LL_DARWIN #include <Carbon/Carbon.h> + #include "slplugin-objc.h" #endif #if LL_DARWIN || LL_LINUX @@ -51,7 +47,7 @@ #endif /* - On Mac OS, since we call WaitNextEvent, this process will show up in the dock unless we set the LSBackgroundOnly flag in the Info.plist. + On Mac OS, since we call WaitNextEvent, this process will show up in the dock unless we set the LSBackgroundOnly or LSUIElement flag in the Info.plist. Normally non-bundled binaries don't have an info.plist file, but it's possible to embed one in the binary by adding this to the linker flags: @@ -60,7 +56,8 @@ which means adding this to the gcc flags: -Wl,-sectcreate,__TEXT,__info_plist,/path/to/slplugin_info.plist - + + Now that SLPlugin is a bundled app on the Mac, this is no longer necessary (it can just use a regular Info.plist file), but I'm leaving this comment in for posterity. */ #if LL_DARWIN || LL_LINUX @@ -228,10 +225,19 @@ int main(int argc, char **argv) signal(SIGSYS, &crash_handler); // non-existent system call invoked #endif +#if LL_DARWIN + setupCocoa(); + createAutoReleasePool(); +#endif + LLPluginProcessChild *plugin = new LLPluginProcessChild(); plugin->init(port); +#if LL_DARWIN + deleteAutoReleasePool(); +#endif + LLTimer timer; timer.start(); @@ -239,15 +245,114 @@ int main(int argc, char **argv) checkExceptionHandler(); #endif +#if LL_DARWIN + // If the plugin opens a new window (such as the Flash plugin's fullscreen player), we may need to bring this plugin process to the foreground. + // Use this to track the current frontmost window and bring this process to the front if it changes. + WindowRef front_window = NULL; + WindowGroupRef layer_group = NULL; + int window_hack_state = 0; + CreateWindowGroup(kWindowGroupAttrFixedLevel, &layer_group); + if(layer_group) + { + // Start out with a window layer that's way out in front (fixes the problem with the menubar not getting hidden on first switch to fullscreen youtube) + SetWindowGroupName(layer_group, CFSTR("SLPlugin Layer")); + SetWindowGroupLevel(layer_group, kCGOverlayWindowLevel); + } +#endif + +#if LL_DARWIN + EventTargetRef event_target = GetEventDispatcherTarget(); +#endif while(!plugin->isDone()) { +#if LL_DARWIN + createAutoReleasePool(); +#endif timer.reset(); plugin->idle(); #if LL_DARWIN { // Some plugins (webkit at least) will want an event loop. This qualifies. - EventRecord evt; - WaitNextEvent(0, &evt, 0, NULL); + EventRef event; + if(ReceiveNextEvent(0, 0, kEventDurationNoWait, true, &event) == noErr) + { + SendEventToEventTarget (event, event_target); + ReleaseEvent(event); + } + + // Check for a change in this process's frontmost window. + if(FrontWindow() != front_window) + { + ProcessSerialNumber self = { 0, kCurrentProcess }; + ProcessSerialNumber parent = { 0, kNoProcess }; + ProcessSerialNumber front = { 0, kNoProcess }; + Boolean this_is_front_process = false; + Boolean parent_is_front_process = false; + { + // Get this process's parent + ProcessInfoRec info; + info.processInfoLength = sizeof(ProcessInfoRec); + info.processName = NULL; + info.processAppSpec = NULL; + if(GetProcessInformation( &self, &info ) == noErr) + { + parent = info.processLauncher; + } + + // and figure out whether this process or its parent are currently frontmost + if(GetFrontProcess(&front) == noErr) + { + (void) SameProcess(&self, &front, &this_is_front_process); + (void) SameProcess(&parent, &front, &parent_is_front_process); + } + } + + if((FrontWindow() != NULL) && (front_window == NULL)) + { + // Opening the first window + + if(window_hack_state == 0) + { + // Next time through the event loop, lower the window group layer + window_hack_state = 1; + } + + if(layer_group) + { + SetWindowGroup(FrontWindow(), layer_group); + } + + if(parent_is_front_process) + { + // Bring this process's windows to the front. + (void) SetFrontProcess( &self ); + } + + ActivateWindow(FrontWindow(), true); + } + else if((FrontWindow() == NULL) && (front_window != NULL)) + { + // Closing the last window + + if(this_is_front_process) + { + // Try to bring this process's parent to the front + (void) SetFrontProcess(&parent); + } + } + else if(window_hack_state == 1) + { + if(layer_group) + { + // Set the window group level back to something less extreme + SetWindowGroupLevel(layer_group, kCGNormalWindowLevel); + } + window_hack_state = 2; + } + + front_window = FrontWindow(); + + } } #endif F64 elapsed = timer.getElapsedTimeF64(); @@ -280,6 +385,10 @@ int main(int argc, char **argv) // exception handler such as QuickTime. //checkExceptionHandler(); #endif + +#if LL_DARWIN + deleteAutoReleasePool(); +#endif } delete plugin; diff --git a/indra/llplugin/slplugin/slplugin_info.plist b/indra/llplugin/slplugin/slplugin_info.plist index b1daf87424..c4597380e0 100644 --- a/indra/llplugin/slplugin/slplugin_info.plist +++ b/indra/llplugin/slplugin/slplugin_info.plist @@ -6,7 +6,7 @@ <string>English</string> <key>CFBundleInfoDictionaryVersion</key> <string>6.0</string> - <key>LSBackgroundOnly</key> - <true/> + <key>LSUIElement</key> + <string>1</string> </dict> </plist> |