diff options
Diffstat (limited to 'src/core/transport/chttp2/frame_ping.c')
-rw-r--r-- | src/core/transport/chttp2/frame_ping.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/src/core/transport/chttp2/frame_ping.c b/src/core/transport/chttp2/frame_ping.c deleted file mode 100644 index c6ab522283..0000000000 --- a/src/core/transport/chttp2/frame_ping.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * - * Copyright 2015, 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. - * - */ - -#include "src/core/transport/chttp2/frame_ping.h" -#include "src/core/transport/chttp2/internal.h" - -#include <string.h> - -#include <grpc/support/alloc.h> -#include <grpc/support/log.h> - -gpr_slice grpc_chttp2_ping_create(uint8_t ack, uint8_t *opaque_8bytes) { - gpr_slice slice = gpr_slice_malloc(9 + 8); - uint8_t *p = GPR_SLICE_START_PTR(slice); - - *p++ = 0; - *p++ = 0; - *p++ = 8; - *p++ = GRPC_CHTTP2_FRAME_PING; - *p++ = ack ? 1 : 0; - *p++ = 0; - *p++ = 0; - *p++ = 0; - *p++ = 0; - memcpy(p, opaque_8bytes, 8); - - return slice; -} - -grpc_chttp2_parse_error grpc_chttp2_ping_parser_begin_frame( - grpc_chttp2_ping_parser *parser, uint32_t length, uint8_t flags) { - if (flags & 0xfe || length != 8) { - gpr_log(GPR_ERROR, "invalid ping: length=%d, flags=%02x", length, flags); - return GRPC_CHTTP2_CONNECTION_ERROR; - } - parser->byte = 0; - parser->is_ack = flags; - return GRPC_CHTTP2_PARSE_OK; -} - -grpc_chttp2_parse_error grpc_chttp2_ping_parser_parse( - grpc_exec_ctx *exec_ctx, void *parser, - grpc_chttp2_transport_parsing *transport_parsing, - grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last) { - uint8_t *const beg = GPR_SLICE_START_PTR(slice); - uint8_t *const end = GPR_SLICE_END_PTR(slice); - uint8_t *cur = beg; - grpc_chttp2_ping_parser *p = parser; - - while (p->byte != 8 && cur != end) { - p->opaque_8bytes[p->byte] = *cur; - cur++; - p->byte++; - } - - if (p->byte == 8) { - GPR_ASSERT(is_last); - if (p->is_ack) { - grpc_chttp2_ack_ping(exec_ctx, transport_parsing, p->opaque_8bytes); - } else { - gpr_slice_buffer_add(&transport_parsing->qbuf, - grpc_chttp2_ping_create(1, p->opaque_8bytes)); - } - } - - return GRPC_CHTTP2_PARSE_OK; -} |