/// <summary>
/// 导出本地消息记录到云端
/// </summary>
/// <param name="export_info">导出需要的参数参考NIMLogsBackupExportInfo定义</param>
/// <param name="encrypt_key_">加密秘钥</param>
/// <returns>false 当前有导入/导出操作正在进行中</returns>
public static bool ExportBackupToRemote(NIMLogsBackupExportInfo export_info, string encrypt_key_)
{
bool ret = false;
if (export_info != null)
{
export_info_remain = export_info;
export_info_c.ToRemotePackageCallback_ = ExportBackupToRemotePackageCallback;
export_info_c.ToRemoteEncryptCallback_ = ExportBackupToRemoteEncryptCallback;
export_info_c.encrypt_key_ = Utf8StringMarshaler.GetInstance("").MarshalManagedToNative(encrypt_key_);
export_info_c.ProgressCallback_ = ExportLogsBackupProgressCallback;
export_info_c.CompleteCallback_ = ExportLogsBackupCompleteCallback;
export_info_c.ToRemoteLogFiter_ = ExportBackupToRemoteLogFiterCallback;
export_info_c.PathRelease_ = NewPathRelease;
//NIMLogsBackupExportInfo_Callback export_info_cb = new NIMLogsBackupExportInfo_Callback();
int nSizeOfParam = Marshal.SizeOf(export_info);
IntPtr param_ptr = Marshal.AllocHGlobal(nSizeOfParam);
try
{
Marshal.StructureToPtr(export_info, param_ptr, false);
export_info_c.user_data_ = param_ptr;
}
catch
{
}
//public _ExportBackupToRemoteEncryptCallback_C ToRemoteEncryptCallback_;
long param_value = param_ptr.ToInt64();
Debug.WriteLine("param_value user_data:" + param_value.ToString());
Debug.WriteLine("encrypt_key_ user_data:" + export_info_c.encrypt_key_.ToInt64().ToString());
ret = MsglogNativeMethods.nim_export_backup_to_remote(ref export_info_c);
}
return(ret);
}
private static void ExportLogsBackupProgressCallback(LogsBackupRemoteOperate operate, float progress, IntPtr user_data)
{
NIMLogsBackupExportInfo export_info = (NIMLogsBackupExportInfo)Marshal.PtrToStructure(user_data, typeof(NIMLogsBackupExportInfo));
if (export_info != null && export_info.ProgressCallback_ != null)
{
export_info.ProgressCallback_(operate, progress);
}
}
private static bool ExportBackupToRemoteLogFiterCallback(string msg, IntPtr user_data)
{
bool ret = false;
NIMLogsBackupExportInfo export_info = (NIMLogsBackupExportInfo)Marshal.PtrToStructure(user_data, typeof(NIMLogsBackupExportInfo));
if (export_info != null && export_info.ToRemoteLogFiter_ != null)
{
ret = export_info.ToRemoteLogFiter_(msg);
}
return(ret);
}
private static IntPtr ExportBackupToRemoteEncryptCallback(string file_path, string encrypt_key, IntPtr user_data)
{
IntPtr path = IntPtr.Zero;
NIMLogsBackupExportInfo export_info = (NIMLogsBackupExportInfo)Marshal.PtrToStructure(user_data, typeof(NIMLogsBackupExportInfo));
if (export_info != null && export_info.ToRemoteEncryptCallback_ != null)
{
string temp_path = export_info.ToRemoteEncryptCallback_(file_path, encrypt_key);
path = Utf8StringMarshaler.GetInstance("").MarshalManagedToNative(temp_path);
}
return(path);
}
private static void ExportLogsBackupCompleteCallback(LogsBackupRemoteOperate operate, LogsBackupRemoteState state, IntPtr user_data)
{
NIMLogsBackupExportInfo export_info = (NIMLogsBackupExportInfo)Marshal.PtrToStructure(user_data, typeof(NIMLogsBackupExportInfo));
if (export_info != null && export_info.CompleteCallback_ != null)
{
export_info.CompleteCallback_(operate, state);
}
//注意，这里应释放user_data
Marshal.FreeHGlobal(user_data);
}
