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/*
*
* 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 <grpc/byte_buffer.h>
#include <grpc/byte_buffer_reader.h>
#include <grpc/grpc.h>
#include <grpc/slice.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include "src/core/lib/compression/message_compress.h"
#include "src/core/lib/iomgr/exec_ctx.h"
#include "test/core/util/test_config.h"
#include <string.h>
#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
static void test_read_one_slice(void) {
grpc_slice slice;
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
grpc_slice first_slice, second_slice;
int first_code, second_code;
LOG_TEST("test_read_one_slice");
slice = grpc_slice_from_copied_string("test");
buffer = grpc_raw_byte_buffer_create(&slice, 1);
grpc_slice_unref(slice);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
GPR_ASSERT(first_code != 0);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4) == 0);
grpc_slice_unref(first_slice);
second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
GPR_ASSERT(second_code == 0);
grpc_byte_buffer_destroy(buffer);
}
static void test_read_one_slice_malloc(void) {
grpc_slice slice;
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
grpc_slice first_slice, second_slice;
int first_code, second_code;
LOG_TEST("test_read_one_slice_malloc");
slice = grpc_slice_malloc(4);
memcpy(GRPC_SLICE_START_PTR(slice), "test", 4);
buffer = grpc_raw_byte_buffer_create(&slice, 1);
grpc_slice_unref(slice);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
GPR_ASSERT(first_code != 0);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4) == 0);
grpc_slice_unref(first_slice);
second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
GPR_ASSERT(second_code == 0);
grpc_byte_buffer_destroy(buffer);
}
static void test_read_none_compressed_slice(void) {
grpc_slice slice;
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
grpc_slice first_slice, second_slice;
int first_code, second_code;
LOG_TEST("test_read_none_compressed_slice");
slice = grpc_slice_from_copied_string("test");
buffer = grpc_raw_byte_buffer_create(&slice, 1);
grpc_slice_unref(slice);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
GPR_ASSERT(first_code != 0);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4) == 0);
grpc_slice_unref(first_slice);
second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
GPR_ASSERT(second_code == 0);
grpc_byte_buffer_destroy(buffer);
}
static void test_read_corrupted_slice(void) {
grpc_slice slice;
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
LOG_TEST("test_read_corrupted_slice");
slice = grpc_slice_from_copied_string("test");
buffer = grpc_raw_byte_buffer_create(&slice, 1);
buffer->data.raw.compression = GRPC_COMPRESS_GZIP; /* lies! */
grpc_slice_unref(slice);
GPR_ASSERT(!grpc_byte_buffer_reader_init(&reader, buffer));
grpc_byte_buffer_destroy(buffer);
}
static void read_compressed_slice(grpc_compression_algorithm algorithm,
size_t input_size) {
grpc_slice input_slice;
grpc_slice_buffer sliceb_in;
grpc_slice_buffer sliceb_out;
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
grpc_slice read_slice;
size_t read_count = 0;
grpc_slice_buffer_init(&sliceb_in);
grpc_slice_buffer_init(&sliceb_out);
input_slice = grpc_slice_malloc(input_size);
memset(GRPC_SLICE_START_PTR(input_slice), 'a', input_size);
grpc_slice_buffer_add(&sliceb_in, input_slice); /* takes ownership */
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GPR_ASSERT(
grpc_msg_compress(&exec_ctx, algorithm, &sliceb_in, &sliceb_out));
grpc_exec_ctx_finish(&exec_ctx);
}
buffer = grpc_raw_compressed_byte_buffer_create(sliceb_out.slices,
sliceb_out.count, algorithm);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
while (grpc_byte_buffer_reader_next(&reader, &read_slice)) {
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(read_slice),
GRPC_SLICE_START_PTR(input_slice) + read_count,
GRPC_SLICE_LENGTH(read_slice)) == 0);
read_count += GRPC_SLICE_LENGTH(read_slice);
grpc_slice_unref(read_slice);
}
GPR_ASSERT(read_count == input_size);
grpc_byte_buffer_reader_destroy(&reader);
grpc_byte_buffer_destroy(buffer);
grpc_slice_buffer_destroy(&sliceb_out);
grpc_slice_buffer_destroy(&sliceb_in);
}
static void test_read_gzip_compressed_slice(void) {
const size_t INPUT_SIZE = 2048;
LOG_TEST("test_read_gzip_compressed_slice");
read_compressed_slice(GRPC_COMPRESS_GZIP, INPUT_SIZE);
}
static void test_read_deflate_compressed_slice(void) {
const size_t INPUT_SIZE = 2048;
LOG_TEST("test_read_deflate_compressed_slice");
read_compressed_slice(GRPC_COMPRESS_DEFLATE, INPUT_SIZE);
}
static void test_byte_buffer_from_reader(void) {
grpc_slice slice;
grpc_byte_buffer *buffer, *buffer_from_reader;
grpc_byte_buffer_reader reader;
LOG_TEST("test_byte_buffer_from_reader");
slice = grpc_slice_malloc(4);
memcpy(GRPC_SLICE_START_PTR(slice), "test", 4);
buffer = grpc_raw_byte_buffer_create(&slice, 1);
grpc_slice_unref(slice);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
buffer_from_reader = grpc_raw_byte_buffer_from_reader(&reader);
GPR_ASSERT(buffer->type == buffer_from_reader->type);
GPR_ASSERT(buffer_from_reader->data.raw.compression == GRPC_COMPRESS_NONE);
GPR_ASSERT(buffer_from_reader->data.raw.slice_buffer.count == 1);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(
buffer_from_reader->data.raw.slice_buffer.slices[0]),
"test", 4) == 0);
grpc_byte_buffer_destroy(buffer);
grpc_byte_buffer_destroy(buffer_from_reader);
}
static void test_readall(void) {
char *lotsa_as[512];
char *lotsa_bs[1024];
grpc_slice slices[2];
grpc_byte_buffer *buffer;
grpc_byte_buffer_reader reader;
grpc_slice slice_out;
LOG_TEST("test_readall");
memset(lotsa_as, 'a', 512);
memset(lotsa_bs, 'b', 1024);
/* use slices large enough to overflow inlining */
slices[0] = grpc_slice_malloc(512);
memcpy(GRPC_SLICE_START_PTR(slices[0]), lotsa_as, 512);
slices[1] = grpc_slice_malloc(1024);
memcpy(GRPC_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
buffer = grpc_raw_byte_buffer_create(slices, 2);
grpc_slice_unref(slices[0]);
grpc_slice_unref(slices[1]);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
slice_out = grpc_byte_buffer_reader_readall(&reader);
GPR_ASSERT(GRPC_SLICE_LENGTH(slice_out) == 512 + 1024);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(slice_out), lotsa_as, 512) == 0);
GPR_ASSERT(memcmp(&(GRPC_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024) ==
0);
grpc_slice_unref(slice_out);
grpc_byte_buffer_destroy(buffer);
}
static void test_byte_buffer_copy(void) {
char *lotsa_as[512];
char *lotsa_bs[1024];
grpc_slice slices[2];
grpc_byte_buffer *buffer;
grpc_byte_buffer *copied_buffer;
grpc_byte_buffer_reader reader;
grpc_slice slice_out;
LOG_TEST("test_byte_buffer_copy");
memset(lotsa_as, 'a', 512);
memset(lotsa_bs, 'b', 1024);
/* use slices large enough to overflow inlining */
slices[0] = grpc_slice_malloc(512);
memcpy(GRPC_SLICE_START_PTR(slices[0]), lotsa_as, 512);
slices[1] = grpc_slice_malloc(1024);
memcpy(GRPC_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
buffer = grpc_raw_byte_buffer_create(slices, 2);
grpc_slice_unref(slices[0]);
grpc_slice_unref(slices[1]);
copied_buffer = grpc_byte_buffer_copy(buffer);
GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, buffer) &&
"Couldn't init byte buffer reader");
slice_out = grpc_byte_buffer_reader_readall(&reader);
GPR_ASSERT(GRPC_SLICE_LENGTH(slice_out) == 512 + 1024);
GPR_ASSERT(memcmp(GRPC_SLICE_START_PTR(slice_out), lotsa_as, 512) == 0);
GPR_ASSERT(memcmp(&(GRPC_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024) ==
0);
grpc_slice_unref(slice_out);
grpc_byte_buffer_destroy(buffer);
grpc_byte_buffer_destroy(copied_buffer);
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
test_read_one_slice();
test_read_one_slice_malloc();
test_read_none_compressed_slice();
test_read_gzip_compressed_slice();
test_read_deflate_compressed_slice();
test_read_corrupted_slice();
test_byte_buffer_from_reader();
test_byte_buffer_copy();
test_readall();
return 0;
}
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