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Refine OEMCrypto Mock Logging

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Merge from Widevine repo of http://go/wvgerrit/24727

This separates out the logging of decrypt calls from all other calls.
This is useful because we sometimes want to trace all the calls in a
license request, but we don't want logging of decrypt calls which
would slow down playback.

b/37353534
b/35141278

Change-Id: I3f172c02778d86e66d0e1f90344a34c4d3b15a9e
This commit is contained in:
Fred Gylys-Colwell
2017-04-14 13:36:44 -07:00
parent 7ef74bf0bc
commit 86db60d097
3 changed files with 9 additions and 9 deletions
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10
libwvdrmengine/oemcrypto/include/oemcrypto_logging.h
View File

@@ -6,8 +6,8 @@
#include <iostream>
#include <string>
#include "log.h"
#include "OEMCryptoCENC.h"
#include "log.h"
namespace wvoec_mock {
@@ -20,13 +20,14 @@ namespace wvoec_mock {
// LogCategoryEnabled(category1 | category2) will return true if
// category1 and/or category2 are set to logging.
const int kLoggingTraceOEMCryptoCalls = 0x01;
const int kLoggingTraceOEMCryptoCalls = 0x01; // All except decrypt calls.
const int kLoggingDumpContentKeys = 0x02;
const int kLoggingDumpKeyControlBlocks = 0x04;
const int kLoggingDumpDerivedKeys = 0x08;
const int kLoggingTraceNonce = 0x10;
const int kLoggingTraceDecryption = 0x20;
const int kLoggingTraceUsageTable = 0x40;
const int kLoggingTraceDecryptCalls = 0x80;
const int kLoggingDumpTraceAll = 0xFF;
void SetLoggingSettings(int level, int categories);
@@ -56,10 +57,9 @@ void dump_array_part_helper(std::string& buffer, std::string array,
size_t index, std::string name,
const uint8_t* vector, size_t length);
void dump_array_part(std::string array, size_t index,
std::string name, const uint8_t* vector, size_t length);
void dump_array_part(std::string array, size_t index, std::string name,
const uint8_t* vector, size_t length);
} // namespace wvoec_mock
#endif

7
libwvdrmengine/oemcrypto/mock/src/oemcrypto_mock.cpp
View File

@@ -580,9 +580,8 @@ extern "C" OEMCryptoResult OEMCrypto_DecryptCENC(
bool is_encrypted, const uint8_t* iv, size_t block_offset,
OEMCrypto_DestBufferDesc* out_buffer,
const OEMCrypto_CENCEncryptPatternDesc* pattern, uint8_t subsample_flags) {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_DecryptCENC"
"(OEMCrypto_SESSION session,\n");
if (LogCategoryEnabled(kLoggingTraceDecryptCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_DecryptCENC(%d)", session);
}
if (!crypto_engine) {
LOGE("OEMCrypto_DecryptCENC: OEMCrypto Not Initialized.");
@@ -626,7 +625,7 @@ extern "C" OEMCryptoResult OEMCrypto_DecryptCENC(
extern "C" OEMCryptoResult OEMCrypto_CopyBuffer(
const uint8_t* data_addr, size_t data_length,
OEMCrypto_DestBufferDesc* out_buffer, uint8_t subsample_flags) {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
if (LogCategoryEnabled(kLoggingTraceDecryptCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_CopyBuffer(..)\n");
}
if (!crypto_engine) {

1
libwvdrmengine/oemcrypto/mock/test/oemcrypto_logging_test.cpp
View File

@@ -111,6 +111,7 @@ TEST_F(OEMCryptoLoggingTest, TestChangeLoggingCategories) {
ASSERT_TRUE(LogCategoryEnabled(kLoggingTraceNonce));
ASSERT_TRUE(LogCategoryEnabled(kLoggingTraceDecryption));
ASSERT_TRUE(LogCategoryEnabled(kLoggingTraceUsageTable));
ASSERT_TRUE(LogCategoryEnabled(kLoggingTraceDecryptCalls));
ASSERT_TRUE(LogCategoryEnabled(kLoggingDumpTraceAll));
RemoveLoggingForCategories(kLoggingDumpKeyControlBlocks);