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Implemented some ugc remote storage functions related to fileshare.

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This commit is contained in:
Mr_Goldberg 2019-07-31 10:01:55 -04:00
parent 42fd868099
commit 26c5b7949f
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GPG Key ID: 8597D87419DEF278
4 changed files with 56 additions and 15 deletions
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11
dll/local_storage.cpp
View File

@ -537,22 +537,19 @@ int Local_Storage::store_data_settings(std::string file, char *data, unsigned in
return store_file_data(get_global_settings_path(), file, data, length);
}
int Local_Storage::get_file_data(std::string full_path, char *data, unsigned int max_length)
int Local_Storage::get_file_data(std::string full_path, char *data, unsigned int max_length, unsigned int offset)
{
std::ifstream myfile;
myfile.open(full_path, std::ios::binary | std::ios::in);
if (!myfile.is_open()) return -1;
std::streampos size = myfile.tellg();
myfile.seekg (0, std::ios::beg);
if (size > max_length) max_length = size;
myfile.seekg (offset, std::ios::beg);
myfile.read (data, max_length);
myfile.close();
return myfile.gcount();
}
int Local_Storage::get_data(std::string folder, std::string file, char *data, unsigned int max_length)
int Local_Storage::get_data(std::string folder, std::string file, char *data, unsigned int max_length, unsigned int offset)
{
file = sanitize_file_name(file);
if (folder.back() != *PATH_SEPARATOR) {
@ -560,7 +557,7 @@ int Local_Storage::get_data(std::string folder, std::string file, char *data, un
}
std::string full_path = save_directory + appid + folder + file;
return get_file_data(full_path, data, max_length);
return get_file_data(full_path, data, max_length, offset);
}
int Local_Storage::get_data_settings(std::string file, char *data, unsigned int max_length)

4
dll/local_storage.h
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@ -40,14 +40,14 @@ public:
static std::string get_game_settings_path();
static std::string get_user_appdata_path();
Local_Storage(std::string save_directory);
static int get_file_data(std::string full_path, char *data, unsigned int max_length);
static int get_file_data(std::string full_path, char *data, unsigned int max_length, unsigned int offset=0);
void setAppId(uint32 appid);
static int store_file_data(std::string folder, std::string file, char *data, unsigned int length);
static std::vector<std::string> get_filenames_path(std::string path);
int store_data(std::string folder, std::string file, char *data, unsigned int length);
int store_data_settings(std::string file, char *data, unsigned int length);
int get_data(std::string folder, std::string file, char *data, unsigned int max_length);
int get_data(std::string folder, std::string file, char *data, unsigned int max_length, unsigned int offset=0);
int get_data_settings(std::string file, char *data, unsigned int max_length);
int count_files(std::string folder);
bool iterate_file(std::string folder, int index, char *output_filename, int32 *output_size);

2
dll/steam_client.cpp
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@ -311,7 +311,7 @@ Steam_Client::Steam_Client()
steam_user_stats = new Steam_User_Stats(settings_client, local_storage, callback_results_client, callbacks_client);
steam_apps = new Steam_Apps(settings_client, callback_results_client);
steam_networking = new Steam_Networking(settings_client, network, callbacks_client, run_every_runcb);
steam_remote_storage = new Steam_Remote_Storage(local_storage, callback_results_client);
steam_remote_storage = new Steam_Remote_Storage(settings_client, local_storage, callback_results_client);
steam_screenshots = new Steam_Screenshots();
steam_http = new Steam_HTTP(settings_client, network, callback_results_client, callbacks_client);
steam_controller = new Steam_Controller();

48
dll/steam_remote_storage.h
View File

@ -31,6 +31,10 @@ struct Stream_Write {
std::vector<char> file_data;
};
struct Downloaded_File {
std::string file;
uint64 total_size;
};
class Steam_Remote_Storage :
public ISteamRemoteStorage001,
@ -49,15 +53,19 @@ public ISteamRemoteStorage013,
public ISteamRemoteStorage
{
private:
class Settings *settings;
Local_Storage *local_storage;
class SteamCallResults *callback_results;
bool steam_cloud_enabled;
std::vector<struct Async_Read> async_reads;
std::vector<struct Stream_Write> stream_writes;
std::map<UGCHandle_t, std::string> shared_files;
std::map<UGCHandle_t, struct Downloaded_File> downloaded_files;
public:
Steam_Remote_Storage(Local_Storage *local_storage, class SteamCallResults *callback_results)
Steam_Remote_Storage(class Settings *settings, Local_Storage *local_storage, class SteamCallResults *callback_results)
{
this->settings = settings;
this->local_storage = local_storage;
this->callback_results = callback_results;
steam_cloud_enabled = true;
@ -176,9 +184,14 @@ SteamAPICall_t FileShare( const char *pchFile )
PRINT_DEBUG("Steam_Remote_Storage::FileShare\n");
std::lock_guard<std::recursive_mutex> lock(global_mutex);
RemoteStorageFileShareResult_t data = {};
if (local_storage->file_exists(REMOTE_STORAGE_FOLDER, pchFile)) {
data.m_eResult = k_EResultOK;
data.m_hFile = generate_steam_api_call_id();
strncpy(data.m_rgchFilename, pchFile, sizeof(data.m_rgchFilename) - 1);
shared_files[data.m_hFile] = pchFile;
} else {
data.m_eResult = k_EResultFileNotFound;
}
return callback_results->addCallResult(data.k_iCallback, &data, sizeof(data));
}
@ -354,12 +367,28 @@ STEAM_CALL_RESULT( RemoteStorageDownloadUGCResult_t )
SteamAPICall_t UGCDownload( UGCHandle_t hContent, uint32 unPriority )
{
PRINT_DEBUG("Steam_Remote_Storage::UGCDownload\n");
RemoteStorageDownloadUGCResult_t data = {};
if (shared_files.count(hContent)) {
data.m_eResult = k_EResultOK;
data.m_hFile = hContent;
data.m_nAppID = settings->get_local_game_id().AppID();
data.m_nSizeInBytes = local_storage->file_size(REMOTE_STORAGE_FOLDER, shared_files[hContent]);
shared_files[hContent].copy(data.m_pchFileName, sizeof(data.m_pchFileName) - 1);
data.m_ulSteamIDOwner = settings->get_local_steam_id().ConvertToUint64();
downloaded_files[hContent].file = shared_files[hContent];
downloaded_files[hContent].total_size = data.m_nSizeInBytes;
} else {
data.m_eResult = k_EResultFileNotFound; //TODO: not sure if this is the right result
}
return callback_results->addCallResult(data.k_iCallback, &data, sizeof(data));
}
STEAM_CALL_RESULT( RemoteStorageDownloadUGCResult_t )
SteamAPICall_t UGCDownload( UGCHandle_t hContent )
{
PRINT_DEBUG("Steam_Remote_Storage::UGCDownload old\n");
return UGCDownload(hContent, 1);
}
@ -392,16 +421,31 @@ bool GetUGCDetails( UGCHandle_t hContent, AppId_t *pnAppID, STEAM_OUT_STRING() c
int32 UGCRead( UGCHandle_t hContent, void *pvData, int32 cubDataToRead, uint32 cOffset, EUGCReadAction eAction )
{
PRINT_DEBUG("Steam_Remote_Storage::UGCRead\n");
if (!downloaded_files.count(hContent) || cubDataToRead < 0) {
return -1; //TODO: is this the right return value?
}
Downloaded_File f = downloaded_files[hContent];
int read_data = local_storage->get_data(REMOTE_STORAGE_FOLDER, f.file, (char* )pvData, cubDataToRead, cOffset);
if (eAction == k_EUGCRead_Close || (eAction == k_EUGCRead_ContinueReadingUntilFinished && (read_data < cubDataToRead || (cOffset + cubDataToRead) >= f.total_size))) {
downloaded_files.erase(hContent);
}
PRINT_DEBUG("Read %i\n", read_data);
return read_data;
}
int32 UGCRead( UGCHandle_t hContent, void *pvData, int32 cubDataToRead )
{
PRINT_DEBUG("Steam_Remote_Storage::UGCRead old\n");
return UGCRead( hContent, pvData, cubDataToRead, 0);
}
int32 UGCRead( UGCHandle_t hContent, void *pvData, int32 cubDataToRead, uint32 cOffset)
{
PRINT_DEBUG("Steam_Remote_Storage::UGCRead old\n");
PRINT_DEBUG("Steam_Remote_Storage::UGCRead old2\n");
return UGCRead(hContent, pvData, cubDataToRead, cOffset, k_EUGCRead_ContinueReadingUntilFinished);
}
// Functions to iterate through UGC that has finished downloading but has not yet been read via UGCRead()