1655d891de
This CL updates has several changes. The document WidevineModularDRMSecurityIntegrationGuideforCENC_v14.pdf had an incorrect definition of the PST_Report structure. The header file had the correct definition. This has been updated and the version number of the document was rolled to 14.1 The unit tests TwoHundredEntries has been modifed to make sure that if the usage table is full, then OEMCrypto will return the error OEMCrypto_ERROR_INSUFFICIENT_RESOURCES. This is important for the CDM layer to correctly delete old licenses and secure stops when this happens. Several other unit tests covering corner cases have been added. The reference code has been cleaned up a bit. Some logging that might be dangerous has been removed.
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
|
|
// source code may only be used and distributed under the Widevine Master
|
|
// License Agreement.
|
|
//
|
|
// File - Platform independent interface for a File class
|
|
//
|
|
#ifndef WVCDM_UTIL_FILE_STORE_H_
|
|
#define WVCDM_UTIL_FILE_STORE_H_
|
|
|
|
#include <unistd.h>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "disallow_copy_and_assign.h"
|
|
|
|
namespace wvcdm {
|
|
|
|
// File class. The implementation is platform dependent.
|
|
class File {
|
|
public:
|
|
virtual ssize_t Read(char* buffer, size_t bytes);
|
|
virtual ssize_t Write(const char* buffer, size_t bytes);
|
|
virtual void Close();
|
|
|
|
protected:
|
|
class Impl;
|
|
|
|
File(Impl*);
|
|
virtual ~File();
|
|
|
|
private:
|
|
Impl* impl_;
|
|
|
|
friend class FileSystem;
|
|
CORE_DISALLOW_COPY_AND_ASSIGN(File);
|
|
};
|
|
|
|
class FileSystem {
|
|
public:
|
|
class Impl;
|
|
|
|
// defines as bit flag
|
|
enum OpenFlags {
|
|
kNoFlags = 0,
|
|
kCreate = 1,
|
|
kReadOnly = 2, // defaults to read and write access
|
|
kTruncate = 4
|
|
};
|
|
|
|
FileSystem();
|
|
FileSystem(const std::string& origin, void* extra_data);
|
|
virtual ~FileSystem();
|
|
|
|
virtual File* Open(const std::string& file_path, int flags);
|
|
|
|
virtual bool Exists(const std::string& file_path);
|
|
virtual bool Remove(const std::string& file_path);
|
|
virtual ssize_t FileSize(const std::string& file_path);
|
|
|
|
// Return the filenames stored at dir_path.
|
|
// dir_path will be stripped from the returned names.
|
|
virtual bool List(const std::string& dir_path,
|
|
std::vector<std::string>* names);
|
|
|
|
const std::string& origin() const { return origin_; }
|
|
void SetOrigin(const std::string& origin);
|
|
|
|
const std::string& identifier() const { return identifier_; }
|
|
void SetIdentifier(const std::string& identifier);
|
|
bool IsGlobal() const { return identifier_.empty(); }
|
|
|
|
private:
|
|
Impl* impl_;
|
|
std::string origin_;
|
|
std::string identifier_;
|
|
|
|
CORE_DISALLOW_COPY_AND_ASSIGN(FileSystem);
|
|
};
|
|
|
|
} // namespace wvcdm
|
|
|
|
#endif // WVCDM_UTIL_FILE_STORE_H_
|