diff options
Diffstat (limited to 'testing/web-platform/tests/tools/third_party/pywebsocket3/mod_pywebsocket/fast_masking.i')
-rw-r--r-- | testing/web-platform/tests/tools/third_party/pywebsocket3/mod_pywebsocket/fast_masking.i | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/testing/web-platform/tests/tools/third_party/pywebsocket3/mod_pywebsocket/fast_masking.i b/testing/web-platform/tests/tools/third_party/pywebsocket3/mod_pywebsocket/fast_masking.i deleted file mode 100644 index ddaad27f53..0000000000 --- a/testing/web-platform/tests/tools/third_party/pywebsocket3/mod_pywebsocket/fast_masking.i +++ /dev/null @@ -1,98 +0,0 @@ -// Copyright 2013, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -%module fast_masking - -%include "cstring.i" - -%{ -#include <cstring> - -#ifdef __SSE2__ -#include <emmintrin.h> -#endif -%} - -%apply (char *STRING, int LENGTH) { - (const char* payload, int payload_length), - (const char* masking_key, int masking_key_length) }; -%cstring_output_allocate_size( - char** result, int* result_length, delete [] *$1); - -%inline %{ - -void mask( - const char* payload, int payload_length, - const char* masking_key, int masking_key_length, - int masking_key_index, - char** result, int* result_length) { - *result = new char[payload_length]; - *result_length = payload_length; - memcpy(*result, payload, payload_length); - - char* cursor = *result; - char* cursor_end = *result + *result_length; - -#ifdef __SSE2__ - while ((cursor < cursor_end) && - (reinterpret_cast<size_t>(cursor) & 0xf)) { - *cursor ^= masking_key[masking_key_index]; - ++cursor; - masking_key_index = (masking_key_index + 1) % masking_key_length; - } - if (cursor == cursor_end) { - return; - } - - const int kBlockSize = 16; - __m128i masking_key_block; - for (int i = 0; i < kBlockSize; ++i) { - *(reinterpret_cast<char*>(&masking_key_block) + i) = - masking_key[masking_key_index]; - masking_key_index = (masking_key_index + 1) % masking_key_length; - } - - while (cursor + kBlockSize <= cursor_end) { - __m128i payload_block = - _mm_load_si128(reinterpret_cast<__m128i*>(cursor)); - _mm_stream_si128(reinterpret_cast<__m128i*>(cursor), - _mm_xor_si128(payload_block, masking_key_block)); - cursor += kBlockSize; - } -#endif - - while (cursor < cursor_end) { - *cursor ^= masking_key[masking_key_index]; - ++cursor; - masking_key_index = (masking_key_index + 1) % masking_key_length; - } -} - -%} |