| /* |
| * |
| * 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/ext/transport/chttp2/transport/incoming_metadata.h" |
| |
| #include <string.h> |
| |
| #include "src/core/ext/transport/chttp2/transport/internal.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| |
| void grpc_chttp2_incoming_metadata_buffer_init( |
| grpc_chttp2_incoming_metadata_buffer *buffer) { |
| buffer->deadline = gpr_inf_future(GPR_CLOCK_REALTIME); |
| } |
| |
| void grpc_chttp2_incoming_metadata_buffer_destroy( |
| grpc_chttp2_incoming_metadata_buffer *buffer) { |
| size_t i; |
| if (!buffer->published) { |
| for (i = 0; i < buffer->count; i++) { |
| GRPC_MDELEM_UNREF(buffer->elems[i].md); |
| } |
| } |
| gpr_free(buffer->elems); |
| } |
| |
| void grpc_chttp2_incoming_metadata_buffer_add( |
| grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem) { |
| GPR_ASSERT(!buffer->published); |
| if (buffer->capacity == buffer->count) { |
| buffer->capacity = GPR_MAX(8, 2 * buffer->capacity); |
| buffer->elems = |
| gpr_realloc(buffer->elems, sizeof(*buffer->elems) * buffer->capacity); |
| } |
| buffer->elems[buffer->count++].md = elem; |
| } |
| |
| void grpc_chttp2_incoming_metadata_buffer_set_deadline( |
| grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline) { |
| GPR_ASSERT(!buffer->published); |
| buffer->deadline = deadline; |
| } |
| |
| void grpc_chttp2_incoming_metadata_buffer_publish( |
| grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch) { |
| GPR_ASSERT(!buffer->published); |
| buffer->published = 1; |
| if (buffer->count > 0) { |
| size_t i; |
| for (i = 1; i < buffer->count; i++) { |
| buffer->elems[i].prev = &buffer->elems[i - 1]; |
| } |
| for (i = 0; i < buffer->count - 1; i++) { |
| buffer->elems[i].next = &buffer->elems[i + 1]; |
| } |
| buffer->elems[0].prev = NULL; |
| buffer->elems[buffer->count - 1].next = NULL; |
| batch->list.head = &buffer->elems[0]; |
| batch->list.tail = &buffer->elems[buffer->count - 1]; |
| } else { |
| batch->list.head = batch->list.tail = NULL; |
| } |
| batch->deadline = buffer->deadline; |
| } |