The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofBackupDRClient.
The optionaloptionsargument may be used to configure aspects of the returnedBackupDRConnection. Expected options are any of the types in the following option lists:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the Google Cloud BackupDR service, specifically for C++ version 2.31.0.\u003c/p\u003e\n"],["\u003cp\u003eThe latest release candidate is version 2.37.0-rc, and documentation is available for versions ranging from 2.23.0 up to 2.37.0.\u003c/p\u003e\n"],["\u003cp\u003eKey classes include \u003ccode\u003eBackupDRClient\u003c/code\u003e and \u003ccode\u003eBackupDRConnection\u003c/code\u003e, which are used for interacting with the BackupDR service and managing connections, respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe page also details several structs used to configure policies for retries and backoff, such as \u003ccode\u003eBackupDRBackoffPolicyOption\u003c/code\u003e and \u003ccode\u003eBackupDRRetryPolicyOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeBackupDRConnection\u003c/code\u003e function creates a \u003ccode\u003eBackupDRConnection\u003c/code\u003e object and its returned value should not be used directly, instead passed as an argument to the constructor of \u003ccode\u003eBackupDRClient\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::backupdr_v1 (2.31.0)\n\nVersion 2.31.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/backupdr/latest/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.41.0](/cpp/docs/reference/backupdr/2.41.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.40.0](/cpp/docs/reference/backupdr/2.40.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.39.0](/cpp/docs/reference/backupdr/2.39.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.38.0](/cpp/docs/reference/backupdr/2.38.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.37.0](/cpp/docs/reference/backupdr/2.37.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.36.0](/cpp/docs/reference/backupdr/2.36.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.35.0](/cpp/docs/reference/backupdr/2.35.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.34.0](/cpp/docs/reference/backupdr/2.34.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.33.0](/cpp/docs/reference/backupdr/2.33.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.32.0](/cpp/docs/reference/backupdr/2.32.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.31.0](/cpp/docs/reference/backupdr/2.31.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.30.0](/cpp/docs/reference/backupdr/2.30.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.29.0](/cpp/docs/reference/backupdr/2.29.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.28.0](/cpp/docs/reference/backupdr/2.28.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.27.0](/cpp/docs/reference/backupdr/2.27.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.26.0](/cpp/docs/reference/backupdr/2.26.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.25.1](/cpp/docs/reference/backupdr/2.25.1/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.24.0](/cpp/docs/reference/backupdr/2.24.0/namespacegoogle_1_1cloud_1_1backupdr__v1)\n- [2.23.0](/cpp/docs/reference/backupdr/2.23.0/namespacegoogle_1_1cloud_1_1backupdr__v1) \n\nClasses\n-------\n\n### [BackupDRClient](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRClient)\n\nThe BackupDR Service.\n\n### [BackupDRConnection](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection)\n\nThe [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection) object for [`BackupDRClient`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRClient).\n\n### [BackupDRConnectionIdempotencyPolicy](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnectionIdempotencyPolicy)\n\n### [BackupDRLimitedErrorCountRetryPolicy](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRLimitedErrorCountRetryPolicy)\n\nA retry policy for [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection) based on counting errors.\n\n### [BackupDRLimitedTimeRetryPolicy](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRLimitedTimeRetryPolicy)\n\nA retry policy for [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection) based on elapsed time.\n\n### [BackupDRRetryPolicy](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRRetryPolicy)\n\nThe retry policy for [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection).\n\nStructs\n-------\n\n### [BackupDRBackoffPolicyOption](/cpp/docs/reference/backupdr/2.31.0/structgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [BackupDRConnectionIdempotencyPolicyOption](/cpp/docs/reference/backupdr/2.31.0/structgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [BackupDRPollingPolicyOption](/cpp/docs/reference/backupdr/2.31.0/structgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRPollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [BackupDRRetryPolicyOption](/cpp/docs/reference/backupdr/2.31.0/structgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeBackupDRConnection(Options)\n\nA factory function to construct an object of type [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [BackupDRClient](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`BackupDRConnection`](/cpp/docs/reference/backupdr/2.31.0/classgoogle_1_1cloud_1_1backupdr__v1_1_1BackupDRConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::backupdr_v1::BackupDRPolicyOptionList`](about:invalid#zCSafez)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultBackupDRConnectionIdempotencyPolicy()"]]