From efa9a0f99c17b2b937120bcad6e3d45944122ed9 Mon Sep 17 00:00:00 2001 From: Nat Goodspeed Date: Fri, 10 Jul 2015 19:30:10 -0400 Subject: Backed out changeset bab1000e1b2d: restore 'selfless' changes --- indra/llcommon/lleventcoro.cpp | 113 +++++++++++++++++++++++++++++++++++------ 1 file changed, 98 insertions(+), 15 deletions(-) (limited to 'indra/llcommon/lleventcoro.cpp') diff --git a/indra/llcommon/lleventcoro.cpp b/indra/llcommon/lleventcoro.cpp index 81cc33fbba..be93e9c83b 100755 --- a/indra/llcommon/lleventcoro.cpp +++ b/indra/llcommon/lleventcoro.cpp @@ -34,33 +34,24 @@ #include // std headers // external library headers +#include +#include // other Linden headers #include "llsdserialize.h" #include "llerror.h" #include "llcoros.h" -std::string LLEventDetail::listenerNameForCoroImpl(const void* self_id) +std::string LLEventDetail::listenerNameForCoro() { - // First, if this coroutine was launched by LLCoros::launch(), find that name. - std::string name(LLCoros::instance().getNameByID(self_id)); + // If this coroutine was launched by LLCoros::launch(), find that name. + std::string name(LLCoros::instance().getName()); if (! name.empty()) { return name; } - // Apparently this coroutine wasn't launched by LLCoros::launch(). Check - // whether we have a memo for this self_id. - typedef std::map MapType; - static MapType memo; - MapType::const_iterator found = memo.find(self_id); - if (found != memo.end()) - { - // this coroutine instance has called us before, reuse same name - return found->second; - } // this is the first time we've been called for this coroutine instance name = LLEventPump::inventName("coro"); - memo[self_id] = name; - LL_INFOS("LLEventCoro") << "listenerNameForCoroImpl(" << self_id << "): inventing coro name '" + LL_INFOS("LLEventCoro") << "listenerNameForCoro(): inventing coro name '" << name << "'" << LL_ENDL; return name; } @@ -118,6 +109,98 @@ void LLEventDetail::storeToLLSDPath(LLSD& dest, const LLSD& rawPath, const LLSD& *pdest = value; } +LLSD postAndWait(const LLSD& event, const LLEventPumpOrPumpName& requestPump, + const LLEventPumpOrPumpName& replyPump, const LLSD& replyPumpNamePath) +{ + // declare the future + boost::dcoroutines::future future(LLCoros::get_self()); + // make a callback that will assign a value to the future, and listen on + // the specified LLEventPump with that callback + std::string listenerName(LLEventDetail::listenerNameForCoro()); + LLTempBoundListener connection( + replyPump.getPump().listen(listenerName, + voidlistener(boost::dcoroutines::make_callback(future)))); + // skip the "post" part if requestPump is default-constructed + if (requestPump) + { + // If replyPumpNamePath is non-empty, store the replyPump name in the + // request event. + LLSD modevent(event); + LLEventDetail::storeToLLSDPath(modevent, replyPumpNamePath, replyPump.getPump().getName()); + LL_DEBUGS("lleventcoro") << "postAndWait(): coroutine " << listenerName + << " posting to " << requestPump.getPump().getName() + << LL_ENDL; + + // *NOTE:Mani - Removed because modevent could contain user's hashed passwd. + // << ": " << modevent << LL_ENDL; + requestPump.getPump().post(modevent); + } + LL_DEBUGS("lleventcoro") << "postAndWait(): coroutine " << listenerName + << " about to wait on LLEventPump " << replyPump.getPump().getName() + << LL_ENDL; + // trying to dereference ("resolve") the future makes us wait for it + LLSD value; + { + // instantiate Suspending to manage the "current" coroutine + LLCoros::Suspending suspended; + value = *future; + } // destroy Suspending as soon as we're back + LL_DEBUGS("lleventcoro") << "postAndWait(): coroutine " << listenerName + << " resuming with " << value << LL_ENDL; + // returning should disconnect the connection + return value; +} + +LLEventWithID postAndWait2(const LLSD& event, + const LLEventPumpOrPumpName& requestPump, + const LLEventPumpOrPumpName& replyPump0, + const LLEventPumpOrPumpName& replyPump1, + const LLSD& replyPump0NamePath, + const LLSD& replyPump1NamePath) +{ + // declare the future + boost::dcoroutines::future future(LLCoros::get_self()); + // either callback will assign a value to this future; listen on + // each specified LLEventPump with a callback + std::string name(LLEventDetail::listenerNameForCoro()); + LLTempBoundListener connection0( + replyPump0.getPump().listen(name + "a", + LLEventDetail::wfeoh(boost::dcoroutines::make_callback(future), 0))); + LLTempBoundListener connection1( + replyPump1.getPump().listen(name + "b", + LLEventDetail::wfeoh(boost::dcoroutines::make_callback(future), 1))); + // skip the "post" part if requestPump is default-constructed + if (requestPump) + { + // If either replyPumpNamePath is non-empty, store the corresponding + // replyPump name in the request event. + LLSD modevent(event); + LLEventDetail::storeToLLSDPath(modevent, replyPump0NamePath, + replyPump0.getPump().getName()); + LLEventDetail::storeToLLSDPath(modevent, replyPump1NamePath, + replyPump1.getPump().getName()); + LL_DEBUGS("lleventcoro") << "postAndWait2(): coroutine " << name + << " posting to " << requestPump.getPump().getName() + << ": " << modevent << LL_ENDL; + requestPump.getPump().post(modevent); + } + LL_DEBUGS("lleventcoro") << "postAndWait2(): coroutine " << name + << " about to wait on LLEventPumps " << replyPump0.getPump().getName() + << ", " << replyPump1.getPump().getName() << LL_ENDL; + // trying to dereference ("resolve") the future makes us wait for it + LLEventWithID value; + { + // instantiate Suspending to manage "current" coroutine + LLCoros::Suspending suspended; + value = *future; + } // destroy Suspending as soon as we're back + LL_DEBUGS("lleventcoro") << "postAndWait(): coroutine " << name + << " resuming with (" << value.first << ", " << value.second << ")" + << LL_ENDL; + // returning should disconnect both connections + return value; +} + LLSD errorException(const LLEventWithID& result, const std::string& desc) { // If the result arrived on the error pump (pump 1), instead of -- cgit v1.2.3