diff options
Diffstat (limited to 'indra/llcommon/llsd.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llcommon/llsd.cpp | 270 |
1 files changed, 206 insertions, 64 deletions
diff --git a/indra/llcommon/llsd.cpp b/indra/llcommon/llsd.cpp index c863d4e266..57aa7d9c07 100644..100755 --- a/indra/llcommon/llsd.cpp +++ b/indra/llcommon/llsd.cpp @@ -2,34 +2,31 @@ * @file llsd.cpp * @brief LLSD flexible data system * - * $LicenseInfo:firstyear=2005&license=viewergpl$ - * - * Copyright (c) 2005-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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 * $/LicenseInfo$ */ +// Must turn on conditional declarations in header file so definitions end up +// with proper linkage. +#define LLSD_DEBUG_INFO #include "linden_common.h" #include "llsd.h" @@ -37,6 +34,7 @@ #include "../llmath/llmath.h" #include "llformat.h" #include "llsdserialize.h" +#include "stringize.h" #ifndef LL_RELEASE_FOR_DOWNLOAD #define NAME_UNNAMED_NAMESPACE @@ -56,6 +54,18 @@ namespace using namespace LLSDUnnamedNamespace; #endif +namespace llsd +{ + +// statics +S32 sLLSDAllocationCount = 0; +S32 sLLSDNetObjects = 0; + +} // namespace llsd + +#define ALLOC_LLSD_OBJECT { llsd::sLLSDNetObjects++; llsd::sLLSDAllocationCount++; } +#define FREE_LLSD_OBJECT { llsd::sLLSDNetObjects--; } + class LLSD::Impl /**< This class is the abstract base class of the implementation of LLSD It provides the reference counting implementation, and the default @@ -64,13 +74,10 @@ class LLSD::Impl */ { -private: - U32 mUseCount; - protected: Impl(); - enum StaticAllocationMarker { STATIC }; + enum StaticAllocationMarker { STATIC_USAGE_COUNT = 0xFFFFFFFF }; Impl(StaticAllocationMarker); ///< This constructor is used for static objects and causes the // suppresses adjusting the debugging counters when they are @@ -78,8 +85,10 @@ protected: virtual ~Impl(); - bool shared() const { return mUseCount > 1; } + bool shared() const { return (mUseCount > 1) && (mUseCount != STATIC_USAGE_COUNT); } + U32 mUseCount; + public: static void reset(Impl*& var, Impl* impl); ///< safely set var to refer to the new impl (possibly shared) @@ -117,7 +126,9 @@ public: virtual UUID asUUID() const { return LLUUID(); } virtual Date asDate() const { return LLDate(); } virtual URI asURI() const { return LLURI(); } - virtual Binary asBinary() const { return std::vector<U8>(); } + virtual const Binary& asBinary() const { static const std::vector<U8> empty; return empty; } + + virtual const String& asStringRef() const { static const std::string empty; return empty; } virtual bool has(const String&) const { return false; } virtual LLSD get(const String&) const { return LLSD(); } @@ -134,6 +145,18 @@ public: virtual LLSD::array_const_iterator beginArray() const { return endArray(); } virtual LLSD::array_const_iterator endArray() const { static const std::vector<LLSD> empty; return empty.end(); } + virtual void dumpStats() const; + virtual void calcStats(S32 type_counts[], S32 share_counts[]) const; + // Container subclasses contain LLSD objects, rather than directly + // containing Impl objects. This helper forwards through LLSD. + void calcStats(const LLSD& llsd, S32 type_counts[], S32 share_counts[]) const + { + safe(llsd.impl).calcStats(type_counts, share_counts); + } + + static const Impl& getImpl(const LLSD& llsd) { return safe(llsd.impl); } + static Impl& getImpl(LLSD& llsd) { return safe(llsd.impl); } + static const LLSD& undef(); static U32 sAllocationCount; @@ -248,6 +271,8 @@ namespace virtual LLSD::UUID asUUID() const { return LLUUID(mValue); } virtual LLSD::Date asDate() const { return LLDate(mValue); } virtual LLSD::URI asURI() const { return LLURI(mValue); } + virtual int size() const { return mValue.size(); } + virtual const LLSD::String& asStringRef() const { return mValue; } }; LLSD::Integer ImplString::asInteger() const @@ -326,7 +351,7 @@ namespace public: ImplBinary(const LLSD::Binary& v) : Base(v) { } - virtual LLSD::Binary asBinary() const{ return mValue; } + virtual const LLSD::Binary& asBinary() const{ return mValue; } }; @@ -366,6 +391,9 @@ namespace LLSD::map_iterator endMap() { return mData.end(); } virtual LLSD::map_const_iterator beginMap() const { return mData.begin(); } virtual LLSD::map_const_iterator endMap() const { return mData.end(); } + + virtual void dumpStats() const; + virtual void calcStats(S32 type_counts[], S32 share_counts[]) const; }; ImplMap& ImplMap::makeMap(LLSD::Impl*& var) @@ -420,6 +448,34 @@ namespace return i->second; } + void ImplMap::dumpStats() const + { + std::cout << "Map size: " << mData.size() << std::endl; + + std::cout << "LLSD Net Objects: " << llsd::sLLSDNetObjects << std::endl; + std::cout << "LLSD allocations: " << llsd::sLLSDAllocationCount << std::endl; + + std::cout << "LLSD::Impl Net Objects: " << sOutstandingCount << std::endl; + std::cout << "LLSD::Impl allocations: " << sAllocationCount << std::endl; + + Impl::dumpStats(); + } + + void ImplMap::calcStats(S32 type_counts[], S32 share_counts[]) const + { + LLSD::map_const_iterator iter = beginMap(); + while (iter != endMap()) + { + //std::cout << " " << (*iter).first << ": " << (*iter).second << std::endl; + Impl::calcStats((*iter).second, type_counts, share_counts); + iter++; + } + + // Add in the values for this map + Impl::calcStats(type_counts, share_counts); + } + + class ImplArray : public LLSD::Impl { private: @@ -453,8 +509,12 @@ namespace LLSD::array_iterator beginArray() { return mData.begin(); } LLSD::array_iterator endArray() { return mData.end(); } + LLSD::reverse_array_iterator rbeginArray() { return mData.rbegin(); } + LLSD::reverse_array_iterator rendArray() { return mData.rend(); } virtual LLSD::array_const_iterator beginArray() const { return mData.begin(); } virtual LLSD::array_const_iterator endArray() const { return mData.end(); } + + virtual void calcStats(S32 type_counts[], S32 share_counts[]) const; }; ImplArray& ImplArray::makeArray(Impl*& var) @@ -496,12 +556,13 @@ namespace void ImplArray::insert(LLSD::Integer i, const LLSD& v) { - if (i < 0) { + if (i < 0) + { return; } DataVector::size_type index = i; - if (index >= mData.size()) + if (index >= mData.size()) // tbd - sanity check limit for index ? { mData.resize(index + 1); } @@ -549,6 +610,19 @@ namespace return mData[index]; } + + void ImplArray::calcStats(S32 type_counts[], S32 share_counts[]) const + { + LLSD::array_const_iterator iter = beginArray(); + while (iter != endArray()) + { // Add values for all items held in the array + Impl::calcStats((*iter), type_counts, share_counts); + iter++; + } + + // Add in the values for this array + Impl::calcStats(type_counts, share_counts); + } } LLSD::Impl::Impl() @@ -570,8 +644,11 @@ LLSD::Impl::~Impl() void LLSD::Impl::reset(Impl*& var, Impl* impl) { - if (impl) ++impl->mUseCount; - if (var && --var->mUseCount == 0) + if (impl && impl->mUseCount != STATIC_USAGE_COUNT) + { + ++impl->mUseCount; + } + if (var && var->mUseCount != STATIC_USAGE_COUNT && --var->mUseCount == 0) { delete var; } @@ -580,13 +657,13 @@ void LLSD::Impl::reset(Impl*& var, Impl* impl) LLSD::Impl& LLSD::Impl::safe(Impl* impl) { - static Impl theUndefined(STATIC); + static Impl theUndefined(STATIC_USAGE_COUNT); return impl ? *impl : theUndefined; } const LLSD::Impl& LLSD::Impl::safe(const Impl* impl) { - static Impl theUndefined(STATIC); + static Impl theUndefined(STATIC_USAGE_COUNT); return impl ? *impl : theUndefined; } @@ -662,6 +739,43 @@ const LLSD& LLSD::Impl::undef() return immutableUndefined; } +void LLSD::Impl::dumpStats() const +{ + S32 type_counts[LLSD::TypeLLSDNumTypes + 1]; + memset(&type_counts, 0, sizeof(type_counts)); + + S32 share_counts[LLSD::TypeLLSDNumTypes + 1]; + memset(&share_counts, 0, sizeof(share_counts)); + + // Add info from all the values this object has + calcStats(type_counts, share_counts); + + S32 type_index = LLSD::TypeLLSDTypeBegin; + while (type_index != LLSD::TypeLLSDTypeEnd) + { + std::cout << LLSD::typeString((LLSD::Type)type_index) << " type " + << type_counts[type_index] << " objects, " + << share_counts[type_index] << " shared" + << std::endl; + type_index++; + } +} + + +void LLSD::Impl::calcStats(S32 type_counts[], S32 share_counts[]) const +{ + S32 tp = S32(type()); + if (0 <= tp && tp < LLSD::TypeLLSDNumTypes) + { + type_counts[tp]++; + if (shared()) + { + share_counts[tp]++; + } + } +} + + U32 LLSD::Impl::sAllocationCount = 0; U32 LLSD::Impl::sOutstandingCount = 0; @@ -675,10 +789,7 @@ namespace { inline LLSD::Impl& safe(LLSD::Impl* impl) { return LLSD::Impl::safe(impl); } - - inline const LLSD::Impl& safe(const LLSD::Impl* impl) - { return LLSD::Impl::safe(impl); } - + inline ImplMap& makeMap(LLSD::Impl*& var) { return safe(var).makeMap(var); } @@ -687,10 +798,10 @@ namespace } -LLSD::LLSD() : impl(0) { } -LLSD::~LLSD() { Impl::reset(impl, 0); } +LLSD::LLSD() : impl(0) { ALLOC_LLSD_OBJECT; } +LLSD::~LLSD() { FREE_LLSD_OBJECT; Impl::reset(impl, 0); } -LLSD::LLSD(const LLSD& other) : impl(0) { assign(other); } +LLSD::LLSD(const LLSD& other) : impl(0) { ALLOC_LLSD_OBJECT; assign(other); } void LLSD::assign(const LLSD& other) { Impl::assign(impl, other.impl); } @@ -698,18 +809,18 @@ void LLSD::clear() { Impl::assignUndefined(impl); } LLSD::Type LLSD::type() const { return safe(impl).type(); } -// Scaler Constructors -LLSD::LLSD(Boolean v) : impl(0) { assign(v); } -LLSD::LLSD(Integer v) : impl(0) { assign(v); } -LLSD::LLSD(Real v) : impl(0) { assign(v); } -LLSD::LLSD(const UUID& v) : impl(0) { assign(v); } -LLSD::LLSD(const String& v) : impl(0) { assign(v); } -LLSD::LLSD(const Date& v) : impl(0) { assign(v); } -LLSD::LLSD(const URI& v) : impl(0) { assign(v); } -LLSD::LLSD(const Binary& v) : impl(0) { assign(v); } +// Scalar Constructors +LLSD::LLSD(Boolean v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(Integer v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(Real v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(const UUID& v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(const String& v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(const Date& v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(const URI& v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } +LLSD::LLSD(const Binary& v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } // Convenience Constructors -LLSD::LLSD(F32 v) : impl(0) { assign((Real)v); } +LLSD::LLSD(F32 v) : impl(0) { ALLOC_LLSD_OBJECT; assign((Real)v); } // Scalar Assignment void LLSD::assign(Boolean v) { safe(impl).assign(impl, v); } @@ -729,10 +840,12 @@ LLSD::String LLSD::asString() const { return safe(impl).asString(); } LLSD::UUID LLSD::asUUID() const { return safe(impl).asUUID(); } LLSD::Date LLSD::asDate() const { return safe(impl).asDate(); } LLSD::URI LLSD::asURI() const { return safe(impl).asURI(); } -LLSD::Binary LLSD::asBinary() const { return safe(impl).asBinary(); } +const LLSD::Binary& LLSD::asBinary() const { return safe(impl).asBinary(); } + +const LLSD::String& LLSD::asStringRef() const { return safe(impl).asStringRef(); } // const char * helpers -LLSD::LLSD(const char* v) : impl(0) { assign(v); } +LLSD::LLSD(const char* v) : impl(0) { ALLOC_LLSD_OBJECT; assign(v); } void LLSD::assign(const char* v) { if(v) assign(std::string(v)); @@ -790,9 +903,6 @@ LLSD& LLSD::operator[](Integer i) const LLSD& LLSD::operator[](Integer i) const { return safe(impl).ref(i); } -U32 LLSD::allocationCount() { return Impl::sAllocationCount; } -U32 LLSD::outstandingCount() { return Impl::sOutstandingCount; } - static const char *llsd_dump(const LLSD &llsd, bool useXMLFormat) { // sStorage is used to hold the string representation of the llsd last @@ -807,15 +917,9 @@ static const char *llsd_dump(const LLSD &llsd, bool useXMLFormat) { std::ostringstream out; if (useXMLFormat) - { - LLSDXMLStreamer xml_streamer(llsd); - out << xml_streamer; - } + out << LLSDXMLStreamer(llsd); else - { - LLSDNotationStreamer notation_streamer(llsd); - out << notation_streamer; - } + out << LLSDNotationStreamer(llsd); out_string = out.str(); } int len = out_string.length(); @@ -846,3 +950,41 @@ LLSD::array_iterator LLSD::beginArray() { return makeArray(impl).beginArray(); LLSD::array_iterator LLSD::endArray() { return makeArray(impl).endArray(); } LLSD::array_const_iterator LLSD::beginArray() const{ return safe(impl).beginArray(); } LLSD::array_const_iterator LLSD::endArray() const { return safe(impl).endArray(); } + +LLSD::reverse_array_iterator LLSD::rbeginArray() { return makeArray(impl).rbeginArray(); } +LLSD::reverse_array_iterator LLSD::rendArray() { return makeArray(impl).rendArray(); } + +namespace llsd +{ + +U32 allocationCount() { return LLSD::Impl::sAllocationCount; } +U32 outstandingCount() { return LLSD::Impl::sOutstandingCount; } + +// Diagnostic dump of contents in an LLSD object +void dumpStats(const LLSD& llsd) { LLSD::Impl::getImpl(llsd).dumpStats(); } + +} // namespace llsd + +// static +std::string LLSD::typeString(Type type) +{ + static const char * sTypeNameArray[] = { + "Undefined", + "Boolean", + "Integer", + "Real", + "String", + "UUID", + "Date", + "URI", + "Binary", + "Map", + "Array" + }; + + if (0 <= type && type < LL_ARRAY_SIZE(sTypeNameArray)) + { + return sTypeNameArray[type]; + } + return STRINGIZE("** invalid type value " << type); +} |