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/* |
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oscpack -- Open Sound Control packet manipulation library |
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http://www.audiomulch.com/~rossb/oscpack |
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Copyright (c) 2004-2005 Ross Bencina <rossb@audiomulch.com> |
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Permission is hereby granted, free of charge, to any person obtaining |
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a copy of this software and associated documentation files |
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(the "Software"), to deal in the Software without restriction, |
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including without limitation the rights to use, copy, modify, merge, |
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publish, distribute, sublicense, and/or sell copies of the Software, |
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and to permit persons to whom the Software is furnished to do so, |
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subject to the following conditions: |
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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Any person wishing to distribute modifications to the Software is |
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requested to send the modifications to the original developer so that |
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they can be incorporated into the canonical version. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR |
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
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CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "OscReceivedElements.h" |
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#include <cassert> |
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#include "OscHostEndianness.h" |
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namespace osc{ |
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// return the first 4 byte boundary after the end of a str4 |
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// be careful about calling this version if you don't know whether |
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// the string is terminated correctly. |
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static inline const char* FindStr4End( const char *p ) |
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{ |
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if( p[0] == '\0' ) // special case for SuperCollider integer address pattern |
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return p + 4; |
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p += 3; |
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while( *p ) |
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p += 4; |
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return p + 1; |
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} |
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// return the first 4 byte boundary after the end of a str4 |
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// returns 0 if p == end or if the string is unterminated |
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static inline const char* FindStr4End( const char *p, const char *end ) |
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{ |
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if( p >= end ) |
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return 0; |
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if( p[0] == '\0' ) // special case for SuperCollider integer address pattern |
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return p + 4; |
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p += 3; |
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end -= 1; |
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while( p < end && *p ) |
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p += 4; |
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if( *p ) |
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return 0; |
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else |
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return p + 1; |
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} |
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static inline unsigned long RoundUp4( unsigned long x ) |
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{ |
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unsigned long remainder = x & 0x3UL; |
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if( remainder ) |
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return x + (4 - remainder); |
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else |
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return x; |
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} |
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static inline int32 ToInt32( const char *p ) |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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osc::int32 i; |
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char c[4]; |
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} u; |
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u.c[0] = p[3]; |
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u.c[1] = p[2]; |
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u.c[2] = p[1]; |
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u.c[3] = p[0]; |
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return u.i; |
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#else |
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return *(int32*)p; |
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#endif |
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} |
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static inline uint32 ToUInt32( const char *p ) |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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osc::uint32 i; |
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char c[4]; |
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} u; |
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u.c[0] = p[3]; |
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u.c[1] = p[2]; |
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u.c[2] = p[1]; |
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u.c[3] = p[0]; |
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return u.i; |
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#else |
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return *(uint32*)p; |
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#endif |
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} |
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int64 ToInt64( const char *p ) |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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osc::int64 i; |
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char c[8]; |
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} u; |
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u.c[0] = p[7]; |
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u.c[1] = p[6]; |
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u.c[2] = p[5]; |
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u.c[3] = p[4]; |
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u.c[4] = p[3]; |
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u.c[5] = p[2]; |
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u.c[6] = p[1]; |
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u.c[7] = p[0]; |
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return u.i; |
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#else |
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return *(int64*)p; |
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#endif |
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} |
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uint64 ToUInt64( const char *p ) |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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osc::uint64 i; |
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char c[8]; |
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} u; |
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u.c[0] = p[7]; |
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u.c[1] = p[6]; |
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u.c[2] = p[5]; |
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u.c[3] = p[4]; |
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u.c[4] = p[3]; |
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u.c[5] = p[2]; |
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u.c[6] = p[1]; |
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u.c[7] = p[0]; |
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return u.i; |
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#else |
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return *(uint64*)p; |
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#endif |
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} |
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//------------------------------------------------------------------------------ |
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bool ReceivedPacket::IsBundle() const |
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{ |
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return (Size() > 0 && Contents()[0] == '#'); |
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} |
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//------------------------------------------------------------------------------ |
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bool ReceivedBundleElement::IsBundle() const |
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{ |
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return (Size() > 0 && Contents()[0] == '#'); |
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} |
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int32 ReceivedBundleElement::Size() const |
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{ |
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return ToUInt32( size_ ); |
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} |
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//------------------------------------------------------------------------------ |
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bool ReceivedMessageArgument::AsBool() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == TRUE_TYPE_TAG ) |
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return true; |
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else if( *typeTag_ == FALSE_TYPE_TAG ) |
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return false; |
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else |
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throw WrongArgumentTypeException(); |
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} |
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bool ReceivedMessageArgument::AsBoolUnchecked() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == TRUE_TYPE_TAG ) |
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return true; |
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else |
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return false; |
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} |
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int32 ReceivedMessageArgument::AsInt32() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == INT32_TYPE_TAG ) |
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return AsInt32Unchecked(); |
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else |
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throw WrongArgumentTypeException(); |
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} |
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int32 ReceivedMessageArgument::AsInt32Unchecked() const |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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osc::int32 i; |
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char c[4]; |
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} u; |
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u.c[0] = argument_[3]; |
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u.c[1] = argument_[2]; |
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u.c[2] = argument_[1]; |
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u.c[3] = argument_[0]; |
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return u.i; |
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#else |
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return *(int32*)argument_; |
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#endif |
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} |
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float ReceivedMessageArgument::AsFloat() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == FLOAT_TYPE_TAG ) |
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return AsFloatUnchecked(); |
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else |
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throw WrongArgumentTypeException(); |
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} |
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float ReceivedMessageArgument::AsFloatUnchecked() const |
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{ |
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#ifdef OSC_HOST_LITTLE_ENDIAN |
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union{ |
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float f; |
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char c[4]; |
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} u; |
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u.c[0] = argument_[3]; |
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u.c[1] = argument_[2]; |
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u.c[2] = argument_[1]; |
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u.c[3] = argument_[0]; |
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return u.f; |
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#else |
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return *(float*)argument_; |
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#endif |
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} |
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284 |
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char ReceivedMessageArgument::AsChar() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == CHAR_TYPE_TAG ) |
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return AsCharUnchecked(); |
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else |
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throw WrongArgumentTypeException(); |
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} |
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294 |
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295 |
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char ReceivedMessageArgument::AsCharUnchecked() const |
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{ |
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return (char)ToInt32( argument_ ); |
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} |
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300 |
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301 |
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uint32 ReceivedMessageArgument::AsRgbaColor() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == RGBA_COLOR_TYPE_TAG ) |
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return AsRgbaColorUnchecked(); |
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else |
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throw WrongArgumentTypeException(); |
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} |
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311 |
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312 |
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313 |
uint32 ReceivedMessageArgument::AsRgbaColorUnchecked() const |
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{ |
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return ToUInt32( argument_ ); |
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} |
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317 |
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318 |
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uint32 ReceivedMessageArgument::AsMidiMessage() const |
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{ |
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if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == MIDI_MESSAGE_TYPE_TAG ) |
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return AsMidiMessageUnchecked(); |
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else |
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throw WrongArgumentTypeException(); |
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} |
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328 |
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329 |
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330 |
uint32 ReceivedMessageArgument::AsMidiMessageUnchecked() const |
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{ |
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return ToUInt32( argument_ ); |
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} |
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334 |
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335 |
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336 |
int64 ReceivedMessageArgument::AsInt64() const |
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{ |
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338 |
if( !typeTag_ ) |
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throw MissingArgumentException(); |
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else if( *typeTag_ == INT64_TYPE_TAG ) |
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return AsInt64Unchecked(); |
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else |
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343 |
throw WrongArgumentTypeException(); |
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} |
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345 |
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346 |
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347 |
int64 ReceivedMessageArgument::AsInt64Unchecked() const |
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348 |
{ |
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349 |
return ToInt64( argument_ ); |
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350 |
} |
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351 |
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352 |
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353 |
uint64 ReceivedMessageArgument::AsTimeTag() const |
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{ |
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if( !typeTag_ ) |
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356 |
throw MissingArgumentException(); |
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else if( *typeTag_ == TIME_TAG_TYPE_TAG ) |
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358 |
return AsTimeTagUnchecked(); |
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359 |
else |
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360 |
throw WrongArgumentTypeException(); |
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361 |
} |
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362 |
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363 |
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364 |
uint64 ReceivedMessageArgument::AsTimeTagUnchecked() const |
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365 |
{ |
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366 |
return ToUInt64( argument_ ); |
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367 |
} |
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368 |
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369 |
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370 |
double ReceivedMessageArgument::AsDouble() const |
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371 |
{ |
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372 |
if( !typeTag_ ) |
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373 |
throw MissingArgumentException(); |
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28
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374 |
else if( *typeTag_ == DOUBLE_TYPE_TAG ) |
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375 |
return AsDoubleUnchecked(); |
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376 |
else |
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377 |
throw WrongArgumentTypeException(); |
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21
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378 |
} |
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379 |
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380 |
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381 |
double ReceivedMessageArgument::AsDoubleUnchecked() const |
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|
382 |
{ |
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383 |
#ifdef OSC_HOST_LITTLE_ENDIAN |
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384 |
union{ |
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|
385 |
double d; |
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|
386 |
char c[8]; |
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|
387 |
} u; |
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|
388 |
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389 |
u.c[0] = argument_[7]; |
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390 |
u.c[1] = argument_[6]; |
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391 |
u.c[2] = argument_[5]; |
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392 |
u.c[3] = argument_[4]; |
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393 |
u.c[4] = argument_[3]; |
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394 |
u.c[5] = argument_[2]; |
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395 |
u.c[6] = argument_[1]; |
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396 |
u.c[7] = argument_[0]; |
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397 |
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398 |
return u.d; |
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399 |
#else |
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|
400 |
return *(double*)argument_; |
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401 |
#endif |
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402 |
} |
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|
403 |
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404 |
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405 |
const char* ReceivedMessageArgument::AsString() const |
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|
406 |
{ |
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|
407 |
if( !typeTag_ ) |
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408 |
throw MissingArgumentException(); |
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28
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409 |
else if( *typeTag_ == STRING_TYPE_TAG ) |
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410 |
return argument_; |
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411 |
else |
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412 |
throw WrongArgumentTypeException(); |
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21
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413 |
} |
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|
414 |
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415 |
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416 |
const char* ReceivedMessageArgument::AsSymbol() const |
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|
417 |
{ |
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|
418 |
if( !typeTag_ ) |
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419 |
throw MissingArgumentException(); |
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28
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420 |
else if( *typeTag_ == SYMBOL_TYPE_TAG ) |
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|
421 |
return argument_; |
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422 |
else |
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|
423 |
throw WrongArgumentTypeException(); |
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21
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424 |
} |
|
|
425 |
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|
426 |
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|
427 |
void ReceivedMessageArgument::AsBlob( const void*& data, unsigned long& size ) const |
|
|
428 |
{ |
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|
429 |
if( !typeTag_ ) |
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|
430 |
throw MissingArgumentException(); |
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28
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431 |
else if( *typeTag_ == BLOB_TYPE_TAG ) |
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|
432 |
AsBlobUnchecked( data, size ); |
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|
433 |
else |
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|
434 |
throw WrongArgumentTypeException(); |
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21
|
435 |
} |
|
|
436 |
|
|
|
437 |
|
|
|
438 |
void ReceivedMessageArgument::AsBlobUnchecked( const void*& data, unsigned long& size ) const |
|
|
439 |
{ |
|
|
440 |
size = ToUInt32( argument_ ); |
|
28
|
441 |
data = (void*)(argument_+4); |
|
21
|
442 |
} |
|
|
443 |
|
|
|
444 |
//------------------------------------------------------------------------------ |
|
|
445 |
|
|
|
446 |
void ReceivedMessageArgumentIterator::Advance() |
|
|
447 |
{ |
|
|
448 |
if( !value_.typeTag_ ) |
|
|
449 |
return; |
|
|
450 |
|
|
|
451 |
switch( *value_.typeTag_++ ){ |
|
|
452 |
case '\0': |
|
|
453 |
// don't advance past end |
|
|
454 |
--value_.typeTag_; |
|
|
455 |
break; |
|
|
456 |
|
|
|
457 |
case TRUE_TYPE_TAG: |
|
|
458 |
case FALSE_TYPE_TAG: |
|
|
459 |
case NIL_TYPE_TAG: |
|
|
460 |
case INFINITUM_TYPE_TAG: |
|
|
461 |
|
|
|
462 |
// zero length |
|
|
463 |
break; |
|
|
464 |
|
|
|
465 |
case INT32_TYPE_TAG: |
|
28
|
466 |
case FLOAT_TYPE_TAG: |
|
21
|
467 |
case CHAR_TYPE_TAG: |
|
|
468 |
case RGBA_COLOR_TYPE_TAG: |
|
|
469 |
case MIDI_MESSAGE_TYPE_TAG: |
|
|
470 |
|
|
|
471 |
value_.argument_ += 4; |
|
|
472 |
break; |
|
|
473 |
|
|
|
474 |
case INT64_TYPE_TAG: |
|
|
475 |
case TIME_TAG_TYPE_TAG: |
|
|
476 |
case DOUBLE_TYPE_TAG: |
|
28
|
477 |
|
|
21
|
478 |
value_.argument_ += 8; |
|
|
479 |
break; |
|
|
480 |
|
|
|
481 |
case STRING_TYPE_TAG: |
|
|
482 |
case SYMBOL_TYPE_TAG: |
|
|
483 |
|
|
|
484 |
// we use the unsafe function FindStr4End(char*) here because all of |
|
|
485 |
// the arguments have already been validated in |
|
|
486 |
// ReceivedMessage::Init() below. |
|
|
487 |
|
|
|
488 |
value_.argument_ = FindStr4End( value_.argument_ ); |
|
|
489 |
break; |
|
|
490 |
|
|
|
491 |
case BLOB_TYPE_TAG: |
|
|
492 |
{ |
|
|
493 |
uint32 blobSize = ToUInt32( value_.argument_ ); |
|
|
494 |
value_.argument_ = value_.argument_ + 4 + RoundUp4( blobSize ); |
|
|
495 |
} |
|
|
496 |
break; |
|
|
497 |
|
|
|
498 |
default: // unknown type tag |
|
|
499 |
// don't advance |
|
|
500 |
--value_.typeTag_; |
|
|
501 |
break; |
|
|
502 |
|
|
|
503 |
|
|
|
504 |
// not handled: |
|
|
505 |
// [ Indicates the beginning of an array. The tags following are for |
|
|
506 |
// data in the Array until a close brace tag is reached. |
|
|
507 |
// ] Indicates the end of an array. |
|
|
508 |
} |
|
|
509 |
} |
|
|
510 |
|
|
|
511 |
//------------------------------------------------------------------------------ |
|
|
512 |
|
|
|
513 |
ReceivedMessage::ReceivedMessage( const ReceivedPacket& packet ) |
|
|
514 |
: addressPattern_( packet.Contents() ) |
|
|
515 |
{ |
|
|
516 |
Init( packet.Contents(), packet.Size() ); |
|
|
517 |
} |
|
|
518 |
|
|
|
519 |
|
|
|
520 |
ReceivedMessage::ReceivedMessage( const ReceivedBundleElement& bundleElement ) |
|
|
521 |
: addressPattern_( bundleElement.Contents() ) |
|
|
522 |
{ |
|
|
523 |
Init( bundleElement.Contents(), bundleElement.Size() ); |
|
|
524 |
} |
|
|
525 |
|
|
|
526 |
|
|
|
527 |
bool ReceivedMessage::AddressPatternIsUInt32() const |
|
|
528 |
{ |
|
28
|
529 |
return (addressPattern_[0] == '\0'); |
|
21
|
530 |
} |
|
|
531 |
|
|
|
532 |
|
|
|
533 |
uint32 ReceivedMessage::AddressPatternAsUInt32() const |
|
|
534 |
{ |
|
|
535 |
return ToUInt32( addressPattern_ ); |
|
|
536 |
} |
|
|
537 |
|
|
|
538 |
|
|
|
539 |
void ReceivedMessage::Init( const char *message, unsigned long size ) |
|
|
540 |
{ |
|
|
541 |
if( size == 0 ) |
|
|
542 |
throw MalformedMessageException( "zero length messages not permitted" ); |
|
|
543 |
|
|
|
544 |
if( (size & 0x03L) != 0 ) |
|
|
545 |
throw MalformedMessageException( "message size must be multiple of four" ); |
|
|
546 |
|
|
|
547 |
const char *end = message + size; |
|
|
548 |
|
|
|
549 |
typeTagsBegin_ = FindStr4End( addressPattern_, end ); |
|
|
550 |
if( typeTagsBegin_ == 0 ){ |
|
|
551 |
// address pattern was not terminated before end |
|
|
552 |
throw MalformedMessageException( "unterminated address pattern" ); |
|
|
553 |
} |
|
|
554 |
|
|
|
555 |
if( typeTagsBegin_ == end ){ |
|
|
556 |
// message consists of only the address pattern - no arguments or type tags. |
|
|
557 |
typeTagsBegin_ = 0; |
|
|
558 |
typeTagsEnd_ = 0; |
|
|
559 |
arguments_ = 0; |
|
|
560 |
|
|
|
561 |
}else{ |
|
|
562 |
if( *typeTagsBegin_ != ',' ) |
|
|
563 |
throw MalformedMessageException( "type tags not present" ); |
|
|
564 |
|
|
|
565 |
if( *(typeTagsBegin_ + 1) == '\0' ){ |
|
|
566 |
// zero length type tags |
|
|
567 |
typeTagsBegin_ = 0; |
|
|
568 |
typeTagsEnd_ = 0; |
|
|
569 |
arguments_ = 0; |
|
|
570 |
|
|
|
571 |
}else{ |
|
|
572 |
// check that all arguments are present and well formed |
|
|
573 |
|
|
|
574 |
arguments_ = FindStr4End( typeTagsBegin_, end ); |
|
|
575 |
if( arguments_ == 0 ){ |
|
|
576 |
throw MalformedMessageException( "type tags were not terminated before end of message" ); |
|
|
577 |
} |
|
|
578 |
|
|
|
579 |
++typeTagsBegin_; // advance past initial ',' |
|
|
580 |
|
|
|
581 |
const char *typeTag = typeTagsBegin_; |
|
|
582 |
const char *argument = arguments_; |
|
|
583 |
|
|
|
584 |
do{ |
|
|
585 |
switch( *typeTag ){ |
|
|
586 |
case TRUE_TYPE_TAG: |
|
|
587 |
case FALSE_TYPE_TAG: |
|
|
588 |
case NIL_TYPE_TAG: |
|
|
589 |
case INFINITUM_TYPE_TAG: |
|
|
590 |
|
|
|
591 |
// zero length |
|
|
592 |
break; |
|
|
593 |
|
|
|
594 |
case INT32_TYPE_TAG: |
|
|
595 |
case FLOAT_TYPE_TAG: |
|
|
596 |
case CHAR_TYPE_TAG: |
|
|
597 |
case RGBA_COLOR_TYPE_TAG: |
|
|
598 |
case MIDI_MESSAGE_TYPE_TAG: |
|
|
599 |
|
|
|
600 |
if( argument == end ) |
|
|
601 |
throw MalformedMessageException( "arguments exceed message size" ); |
|
|
602 |
argument += 4; |
|
|
603 |
if( argument > end ) |
|
|
604 |
throw MalformedMessageException( "arguments exceed message size" ); |
|
|
605 |
break; |
|
|
606 |
|
|
|
607 |
case INT64_TYPE_TAG: |
|
|
608 |
case TIME_TAG_TYPE_TAG: |
|
|
609 |
case DOUBLE_TYPE_TAG: |
|
|
610 |
|
|
|
611 |
if( argument == end ) |
|
|
612 |
throw MalformedMessageException( "arguments exceed message size" ); |
|
|
613 |
argument += 8; |
|
|
614 |
if( argument > end ) |
|
|
615 |
throw MalformedMessageException( "arguments exceed message size" ); |
|
|
616 |
break; |
|
|
617 |
|
|
|
618 |
case STRING_TYPE_TAG: |
|
|
619 |
case SYMBOL_TYPE_TAG: |
|
|
620 |
|
|
|
621 |
if( argument == end ) |
|
|
622 |
throw MalformedMessageException( "arguments exceed message size" ); |
|
|
623 |
argument = FindStr4End( argument, end ); |
|
|
624 |
if( argument == 0 ) |
|
|
625 |
throw MalformedMessageException( "unterminated string argument" ); |
|
|
626 |
break; |
|
|
627 |
|
|
|
628 |
case BLOB_TYPE_TAG: |
|
|
629 |
{ |
|
|
630 |
if( argument + 4 > end ) |
|
|
631 |
MalformedMessageException( "arguments exceed message size" ); |
|
|
632 |
|
|
|
633 |
uint32 blobSize = ToUInt32( argument ); |
|
|
634 |
argument = argument + 4 + RoundUp4( blobSize ); |
|
|
635 |
if( argument > end ) |
|
|
636 |
MalformedMessageException( "arguments exceed message size" ); |
|
|
637 |
} |
|
|
638 |
break; |
|
|
639 |
|
|
|
640 |
default: |
|
|
641 |
throw MalformedMessageException( "unknown type tag" ); |
|
|
642 |
|
|
|
643 |
// not handled: |
|
|
644 |
// [ Indicates the beginning of an array. The tags following are for |
|
|
645 |
// data in the Array until a close brace tag is reached. |
|
|
646 |
// ] Indicates the end of an array. |
|
|
647 |
} |
|
|
648 |
|
|
|
649 |
}while( *++typeTag != '\0' ); |
|
|
650 |
typeTagsEnd_ = typeTag; |
|
|
651 |
} |
|
|
652 |
} |
|
|
653 |
} |
|
|
654 |
|
|
|
655 |
//------------------------------------------------------------------------------ |
|
|
656 |
|
|
|
657 |
ReceivedBundle::ReceivedBundle( const ReceivedPacket& packet ) |
|
|
658 |
: elementCount_( 0 ) |
|
|
659 |
{ |
|
|
660 |
Init( packet.Contents(), packet.Size() ); |
|
|
661 |
} |
|
|
662 |
|
|
|
663 |
|
|
|
664 |
ReceivedBundle::ReceivedBundle( const ReceivedBundleElement& bundleElement ) |
|
|
665 |
: elementCount_( 0 ) |
|
|
666 |
{ |
|
|
667 |
Init( bundleElement.Contents(), bundleElement.Size() ); |
|
|
668 |
} |
|
|
669 |
|
|
|
670 |
|
|
|
671 |
void ReceivedBundle::Init( const char *bundle, unsigned long size ) |
|
|
672 |
{ |
|
|
673 |
if( size < 16 ) |
|
|
674 |
throw MalformedBundleException( "packet too short for bundle" ); |
|
|
675 |
|
|
|
676 |
if( (size & 0x03L) != 0 ) |
|
|
677 |
throw MalformedBundleException( "bundle size must be multiple of four" ); |
|
|
678 |
|
|
|
679 |
if( bundle[0] != '#' |
|
|
680 |
|| bundle[1] != 'b' |
|
|
681 |
|| bundle[2] != 'u' |
|
|
682 |
|| bundle[3] != 'n' |
|
|
683 |
|| bundle[4] != 'd' |
|
|
684 |
|| bundle[5] != 'l' |
|
|
685 |
|| bundle[6] != 'e' |
|
|
686 |
|| bundle[7] != '\0' ) |
|
|
687 |
throw MalformedBundleException( "bad bundle address pattern" ); |
|
|
688 |
|
|
|
689 |
end_ = bundle + size; |
|
|
690 |
|
|
|
691 |
timeTag_ = bundle + 8; |
|
|
692 |
|
|
|
693 |
const char *p = timeTag_ + 8; |
|
|
694 |
|
|
|
695 |
while( p < end_ ){ |
|
|
696 |
if( p + 4 > end_ ) |
|
|
697 |
throw MalformedBundleException( "packet too short for elementSize" ); |
|
|
698 |
|
|
|
699 |
uint32 elementSize = ToUInt32( p ); |
|
|
700 |
if( (elementSize & 0x03L) != 0 ) |
|
|
701 |
throw MalformedBundleException( "bundle element size must be multiple of four" ); |
|
|
702 |
|
|
|
703 |
p += 4 + elementSize; |
|
|
704 |
if( p > end_ ) |
|
|
705 |
throw MalformedBundleException( "packet too short for bundle element" ); |
|
|
706 |
|
|
|
707 |
++elementCount_; |
|
|
708 |
} |
|
|
709 |
|
|
|
710 |
if( p != end_ ) |
|
|
711 |
throw MalformedBundleException( "bundle contents " ); |
|
|
712 |
} |
|
|
713 |
|
|
|
714 |
|
|
|
715 |
uint64 ReceivedBundle::TimeTag() const |
|
|
716 |
{ |
|
|
717 |
return ToUInt64( timeTag_ ); |
|
|
718 |
} |
|
|
719 |
|
|
|
720 |
|
|
|
721 |
} // namespace osc |
|
|
722 |
|