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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/transport/timeout_encoding.h"
#include <stdio.h>
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/gpr/murmur_hash.h"
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/gpr/useful.h"
#include "test/core/util/test_config.h"
#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
static void assert_encodes_as(grpc_millis ts, const char* s) {
char buffer[GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE];
grpc_http2_encode_timeout(ts, buffer);
gpr_log(GPR_INFO, "check '%s' == '%s'", buffer, s);
GPR_ASSERT(0 == strcmp(buffer, s));
}
void test_encoding(void) {
LOG_TEST("test_encoding");
assert_encodes_as(-1, "1n");
assert_encodes_as(-10, "1n");
assert_encodes_as(1, "1m");
assert_encodes_as(10, "10m");
assert_encodes_as(100, "100m");
assert_encodes_as(890, "890m");
assert_encodes_as(900, "900m");
assert_encodes_as(901, "901m");
assert_encodes_as(1000, "1S");
assert_encodes_as(2000, "2S");
assert_encodes_as(2500, "2500m");
assert_encodes_as(59900, "59900m");
assert_encodes_as(50000, "50S");
assert_encodes_as(59000, "59S");
assert_encodes_as(60000, "1M");
assert_encodes_as(80000, "80S");
assert_encodes_as(90000, "90S");
assert_encodes_as(120000, "2M");
assert_encodes_as(20 * 60 * GPR_MS_PER_SEC, "20M");
assert_encodes_as(60 * 60 * GPR_MS_PER_SEC, "1H");
assert_encodes_as(10 * 60 * 60 * GPR_MS_PER_SEC, "10H");
}
static void assert_decodes_as(const char* buffer, grpc_millis expected) {
grpc_millis got;
uint32_t hash = gpr_murmur_hash3(buffer, strlen(buffer), 0);
gpr_log(GPR_INFO, "check decoding '%s' (hash=0x%x)", buffer, hash);
GPR_ASSERT(1 == grpc_http2_decode_timeout(
grpc_slice_from_static_string(buffer), &got));
if (got != expected) {
gpr_log(GPR_ERROR, "got:'%" PRId64 "' != expected:'%" PRId64 "'", got,
expected);
abort();
}
}
void decode_suite(char ext, grpc_millis (*answer)(int64_t x)) {
long test_vals[] = {1, 12, 123, 1234, 12345, 123456,
1234567, 12345678, 123456789, 98765432, 9876543, 987654,
98765, 9876, 987, 98, 9};
unsigned i;
char* input;
for (i = 0; i < GPR_ARRAY_SIZE(test_vals); i++) {
gpr_asprintf(&input, "%ld%c", test_vals[i], ext);
assert_decodes_as(input, answer(test_vals[i]));
gpr_free(input);
gpr_asprintf(&input, " %ld%c", test_vals[i], ext);
assert_decodes_as(input, answer(test_vals[i]));
gpr_free(input);
gpr_asprintf(&input, "%ld %c", test_vals[i], ext);
assert_decodes_as(input, answer(test_vals[i]));
gpr_free(input);
gpr_asprintf(&input, "%ld %c ", test_vals[i], ext);
assert_decodes_as(input, answer(test_vals[i]));
gpr_free(input);
}
}
static grpc_millis millis_from_nanos(int64_t x) {
return static_cast<grpc_millis>(x / GPR_NS_PER_MS + (x % GPR_NS_PER_MS != 0));
}
static grpc_millis millis_from_micros(int64_t x) {
return static_cast<grpc_millis>(x / GPR_US_PER_MS + (x % GPR_US_PER_MS != 0));
}
static grpc_millis millis_from_millis(int64_t x) {
return static_cast<grpc_millis>(x);
}
static grpc_millis millis_from_seconds(int64_t x) {
return static_cast<grpc_millis>(x * GPR_MS_PER_SEC);
}
static grpc_millis millis_from_minutes(int64_t x) {
return static_cast<grpc_millis>(x * 60 * GPR_MS_PER_SEC);
}
static grpc_millis millis_from_hours(int64_t x) {
return static_cast<grpc_millis>(x * 3600 * GPR_MS_PER_SEC);
}
void test_decoding(void) {
LOG_TEST("test_decoding");
decode_suite('n', millis_from_nanos);
decode_suite('u', millis_from_micros);
decode_suite('m', millis_from_millis);
decode_suite('S', millis_from_seconds);
decode_suite('M', millis_from_minutes);
decode_suite('H', millis_from_hours);
assert_decodes_as("1000000000S", millis_from_seconds(1000 * 1000 * 1000));
assert_decodes_as("1000000000000000000000u", GRPC_MILLIS_INF_FUTURE);
assert_decodes_as("1000000001S", GRPC_MILLIS_INF_FUTURE);
assert_decodes_as("2000000001S", GRPC_MILLIS_INF_FUTURE);
assert_decodes_as("9999999999S", GRPC_MILLIS_INF_FUTURE);
}
static void assert_decoding_fails(const char* s) {
grpc_millis x;
GPR_ASSERT(0 ==
grpc_http2_decode_timeout(grpc_slice_from_static_string(s), &x));
}
void test_decoding_fails(void) {
LOG_TEST("test_decoding_fails");
assert_decoding_fails("");
assert_decoding_fails(" ");
assert_decoding_fails("x");
assert_decoding_fails("1");
assert_decoding_fails("1x");
assert_decoding_fails("1ux");
assert_decoding_fails("!");
assert_decoding_fails("n1");
assert_decoding_fails("-1u");
}
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
test_encoding();
test_decoding();
test_decoding_fails();
return 0;
}
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