diff options
Diffstat (limited to 'pkg/flipcall/flipcall_unsafe.go')
| -rw-r--r-- | pkg/flipcall/flipcall_unsafe.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pkg/flipcall/flipcall_unsafe.go b/pkg/flipcall/flipcall_unsafe.go index 7c8977893..73e6eef29 100644 --- a/pkg/flipcall/flipcall_unsafe.go +++ b/pkg/flipcall/flipcall_unsafe.go @@ -19,15 +19,15 @@ import ( "unsafe" ) -// Packets consist of an 8-byte header followed by an arbitrarily-sized +// Packets consist of a 16-byte header followed by an arbitrarily-sized // datagram. The header consists of: // // - A 4-byte native-endian connection state. // // - A 4-byte native-endian datagram length in bytes. +// +// - 8 reserved bytes. const ( - sizeofUint32 = unsafe.Sizeof(uint32(0)) - // PacketHeaderBytes is the size of a flipcall packet header in bytes. The // maximum datagram size supported by a flipcall connection is equal to the // length of the packet window minus PacketHeaderBytes. @@ -35,7 +35,7 @@ const ( // PacketHeaderBytes is exported to support its use in constant // expressions. Non-constant expressions may prefer to use // PacketWindowLengthForDataCap(). - PacketHeaderBytes = 2 * sizeofUint32 + PacketHeaderBytes = 16 ) func (ep *Endpoint) connState() *uint32 { @@ -43,7 +43,7 @@ func (ep *Endpoint) connState() *uint32 { } func (ep *Endpoint) dataLen() *uint32 { - return (*uint32)((unsafe.Pointer)(ep.packet + sizeofUint32)) + return (*uint32)((unsafe.Pointer)(ep.packet + 4)) } // Data returns the datagram part of ep's packet window as a byte slice. |