Contains all the Google Cloud C++ Library APIs. More...

Namespaces
namespace	mocks
	Contains helpers for testing the Google Cloud C++ Client Libraries.

Classes
struct	AccessTokenLifetimeOption
	Configure the access token lifetime. More...

class	AsyncOperation
	Represents a pending asynchronous operation. More...

class	AsyncStreamingReadWriteRpc
	A streaming read-write RPC. More...

struct	AsyncTimerResult
	The result of an async timer operation. More...

struct	AuthorityOption
	Configure the "authority" attribute. More...

class	BackgroundThreads
	A object representing the background threads available to a Client. More...

struct	CARootsFilePathOption
	Configures a custom CA (Certificates Authority) certificates file. More...

class	CompletionQueue
	Call the functor associated with asynchronous operations when they complete. More...

class	ConnectionOptions
	The configuration parameters for client connections. More...

class	Credentials
	An opaque representation of the authentication configuration. More...

struct	DelegatesOption
	Configure the delegates for `MakeImpersonateServiceAccountCredentials()` More...

struct	EndpointOption
	Change the endpoint. More...

class	ErrorInfo
	Describes the cause of the error with structured details. More...

struct	ExperimentalTag
	An argument type to indicate experimental functions. More...

class	future
	Implement ISO/IEC TS 19571:2016 `future<T>`. More...

class	future< void >
	Implement ISO/IEC TS 19571:2016 future for void. More...

class	GenericPollingPolicy
	Construct a polling policy from existing Retry and Backoff policies. More...

struct	GrpcBackgroundThreadPoolSizeOption
	The size of the background thread pool. More...

struct	GrpcBackgroundThreadsFactoryOption
	Changes the `BackgroundThreadsFactory`. More...

struct	GrpcChannelArgumentsNativeOption
	The native `grpc::ChannelArguments` object. More...

struct	GrpcChannelArgumentsOption
	A string-string map of arguments for `grpc::ChannelArguments::SetString`. More...

struct	GrpcCompletionQueueOption
	The `CompletionQueue` to use for background gRPC work. More...

struct	GrpcCredentialOption
	The gRPC credentials used by clients configured with this object. More...

struct	GrpcNumChannelsOption
	The number of transport channels to create. More...

struct	GrpcTracingOptionsOption
	The `TracingOptions` to use when printing grpc protocol buffer messages. More...

class	KmsKeyName
	This class identifies a Google Cloud KMS Key. More...

class	LogBackend
	The logging backend interface. More...

class	Logger
	Define the class to capture a log message. More...

class	Logger< false >
	Define the logger for a disabled log level. More...

struct	LogRecord
	Represents a single log message. More...

class	LogSink
	A sink to receive log records. More...

struct	NullStream
	Implements operator<< for all types, without any effect. More...

class	Options
	A class that holds option structs indexed by their type. More...

class	PollingPolicy
	Control the Cloud C++ client library behavior with respect to polling on long running operations. More...

class	Project
	This class identifies a Cloud Project. More...

class	promise
	Implement `promise<T>` as defined in ISO/IEC TS 19571:2016. More...

class	promise< void >
	Specialize promise as defined in ISO/IEC TS 19571:2016 for void. More...

struct	QuotaUserOption
	Configure the QuotaUser system parameter. More...

struct	RestTracingOptionsOption
	The `TracingOptions` to use when printing REST transport http messages. More...

class	RuntimeStatusError
	A runtime error that wraps a `google::cloud::Status`. More...

struct	ScopesOption
	Configure the scopes for `MakeImpersonateServiceAccountCredentials()` More...

struct	ServerTimeoutOption
	Timeout for the server to finish processing the request. More...

class	Status
	Represents success or an error with info about the error. More...

class	StatusOr
	Holds a value or a `Status` indicating why there is no value. More...

class	StreamRange
	A `StreamRange<T>` is a range of `StatusOr<T>` where the end-of-stream is indicated by a non-OK `Status`. More...

struct	TracingComponentsOption
	Return whether tracing is enabled for the given `component`. More...

class	TracingOptions
	The configuration parameters for RPC/protobuf tracing. More...

struct	UnifiedCredentialsOption
	A wrapper to store credentials into an options. More...

struct	UserAgentProductsOption
	User-agent products to include with each request. More...

struct	UserIpOption
	Configure the UserIp query parameter. More...

struct	UserProjectOption
	Specifies a project for quota and billing purposes. More...

Typedefs
using	BackoffPolicy = ::google::cloud::internal::BackoffPolicy
	The base class for backoff policies. More...

using	ExponentialBackoffPolicy = google::cloud::internal::ExponentialBackoffPolicy
	A truncated exponential backoff policy with randomized periods. More...

using	CommonOptionList = OptionList< EndpointOption, UserAgentProductsOption, TracingComponentsOption, UserProjectOption, AuthorityOption >
	A list of all the common options. More...

using	UnifiedCredentialsOptionList = OptionList< AccessTokenLifetimeOption, CARootsFilePathOption, DelegatesOption, ScopesOption, TracingComponentsOption, UnifiedCredentialsOption >
	A list of options related to authentication. More...

using	BackgroundThreadsFactory = std::function< std::unique_ptr< BackgroundThreads >()>

using	GrpcOptionList = OptionList< GrpcCredentialOption, GrpcNumChannelsOption, GrpcChannelArgumentsOption, GrpcChannelArgumentsNativeOption, GrpcTracingOptionsOption, GrpcBackgroundThreadPoolSizeOption, GrpcCompletionQueueOption, GrpcBackgroundThreadsFactoryOption >
	A list of all the gRPC options. More...

using	IamUpdater = std::function< absl::optional< google::iam::v1::Policy >(google::iam::v1::Policy)>
	Used in the `SetIamPolicy()` read-modify-write cycles where an `etag` helps prevent simultaneous updates of a policy from overwriting each other. More...

template<typename T >
using	optional = absl::optional< T >
	Alias template for google::cloud::optional. More...

template<typename... T>
using	OptionList = internal::TypeList< T... >
	A template to hold a list of "option" types. More...

using	RestOptionList = ::google::cloud::OptionList< QuotaUserOption, RestTracingOptionsOption, ServerTimeoutOption, UserIpOption >
	The complete list of options accepted by `CurlRestClient` More...

using	TerminateHandler = std::function< void(char const *msg)>
	Terminate handler. More...

Enumerations
enum class	Idempotency { kIdempotent , kNonIdempotent }
	Whether a request is idempotent. More...

enum class	Severity : int { GCP_LS_TRACE , GCP_LS_DEBUG , GCP_LS_INFO , GCP_LS_NOTICE , GCP_LS_WARNING , GCP_LS_ERROR , GCP_LS_CRITICAL , GCP_LS_ALERT , GCP_LS_FATAL , GCP_LS_HIGHEST = GCP_LS_FATAL , GCP_LS_LOWEST = GCP_LS_TRACE , GCP_LS_LOWEST_ENABLED = GOOGLE_CLOUD_CPP_LOGGING_MIN_SEVERITY_ENABLED }
	Define the severity levels for Google Cloud Platform C++ Libraries logging. More...

enum class	StatusCode { kOk = 0 , kCancelled = 1 , kUnknown = 2 , kInvalidArgument = 3 , kDeadlineExceeded = 4 , kNotFound = 5 , kAlreadyExists = 6 , kPermissionDenied = 7 , kUnauthenticated = 16 , kResourceExhausted = 8 , kFailedPrecondition = 9 , kAborted = 10 , kOutOfRange = 11 , kUnimplemented = 12 , kInternal = 13 , kUnavailable = 14 , kDataLoss = 15 }
	Well-known status codes with `grpc::StatusCode`-compatible values. More...

Functions
std::shared_ptr< Credentials >	MakeInsecureCredentials (Options opts={})
	Create insecure (aka anonymous, aka unauthenticated) credentials. More...

std::shared_ptr< Credentials >	MakeGoogleDefaultCredentials (Options opts={})
	Creates the default credentials. More...

std::shared_ptr< Credentials >	MakeAccessTokenCredentials (std::string const &access_token, std::chrono::system_clock::time_point expiration, Options opts={})
	Creates credentials with a fixed access token. More...

std::shared_ptr< Credentials >	MakeImpersonateServiceAccountCredentials (std::shared_ptr< Credentials > base_credentials, std::string target_service_account, Options opts={})
	Creates credentials for service account impersonation. More...

std::shared_ptr< Credentials >	MakeServiceAccountCredentials (std::string json_object, Options opts={})
	Creates service account credentials from a service account key. More...

std::shared_ptr< Credentials >	MakeExternalAccountCredentials (std::string json_object, Options opts={})
	Creates credentials based on external accounts. More...

template<typename T >
future< typename internal::make_ready_return< T >::type >	make_ready_future (T &&t)
	Create a future<void> that is immediately ready. More...

future< void >	make_ready_future ()
	Create a future<void> that is immediately ready. More...

google::cloud::Status	MakeStatusFromRpcError (grpc::Status const &status)
	Creates a google::cloud::Status from a grpc::Status. More...

google::cloud::Status	MakeStatusFromRpcError (grpc::StatusCode code, std::string what)
	Creates a google::cloud::Status from a grpc::StatusCode and description. More...

google::cloud::Status	MakeStatusFromRpcError (google::rpc::Status const &proto)
	Creates a `google::cloud::Status` from a `google:rpc::Status` proto. More...

StatusOr< KmsKeyName >	MakeKmsKeyName (std::string const &full_name)
	Constructs a `KmsKeyName` from the given `full_name`. More...

std::ostream &	operator<< (std::ostream &os, Severity x)
	Streaming operator, writes a human readable representation. More...

std::ostream &	operator<< (std::ostream &os, LogRecord const &rhs)
	Default formatting of a LogRecord. More...

StatusOr< Project >	MakeProject (std::string const &full_name)
	Constructs a `Project` from the given `full_name`. More...

std::string	StatusCodeToString (StatusCode code)

std::ostream &	operator<< (std::ostream &os, StatusCode code)

std::ostream &	operator<< (std::ostream &os, Status const &s)
	Stream `s` to `os`. More...

template<typename T >
bool	operator== (StatusOr< T > const &a, StatusOr< T > const &b)

template<typename T >
bool	operator!= (StatusOr< T > const &a, StatusOr< T > const &b)

template<typename T >
StatusOr< T >	make_status_or (T rhs)

TerminateHandler	SetTerminateHandler (TerminateHandler f)
	Install terminate handler and get the old one atomically. More...

TerminateHandler	GetTerminateHandler ()
	Get the currently installed handler. More...

void	Terminate (char const *msg)
	Invoke the currently installed handler. More...

int constexpr	version_major ()
	The Google Cloud C++ Client major version. More...

int constexpr	version_minor ()
	The Google Cloud C++ Client minor version. More...

int constexpr	version_patch ()
	The Google Cloud C++ Client patch version. More...

constexpr char const *	version_pre_release ()
	The Google Cloud C++ Client pre-release version. More...

int constexpr	version ()
	A single integer representing the Major/Minor/Patch version. More...

std::string	version_string ()
	The version as a string, in MAJOR.MINOR.PATCH[-PRE][+gitrev] format. More...

Detailed Description

Contains all the Google Cloud C++ Library APIs.

Typedef Documentation

◆ BackgroundThreadsFactory

using google::cloud::BackgroundThreadsFactory = typedef std::function<std::unique_ptr<BackgroundThreads>()>

◆ BackoffPolicy

using google::cloud::BackoffPolicy = typedef ::google::cloud::internal::BackoffPolicy

The base class for backoff policies.

◆ CommonOptionList

using google::cloud::CommonOptionList = typedef OptionList<EndpointOption, UserAgentProductsOption, TracingComponentsOption, UserProjectOption, AuthorityOption>

A list of all the common options.

◆ ExponentialBackoffPolicy

using google::cloud::ExponentialBackoffPolicy = typedef google::cloud::internal::ExponentialBackoffPolicy

A truncated exponential backoff policy with randomized periods.

◆ GrpcOptionList

using google::cloud::GrpcOptionList = typedef OptionList<GrpcCredentialOption, GrpcNumChannelsOption, GrpcChannelArgumentsOption, GrpcChannelArgumentsNativeOption, GrpcTracingOptionsOption, GrpcBackgroundThreadPoolSizeOption, GrpcCompletionQueueOption, GrpcBackgroundThreadsFactoryOption>

A list of all the gRPC options.

◆ IamUpdater

using google::cloud::IamUpdater = typedef std::function<absl::optional<google::iam::v1::Policy>( google::iam::v1::Policy)>

Used in the SetIamPolicy() read-modify-write cycles where an etag helps prevent simultaneous updates of a policy from overwriting each other.

The updater is called with a recently fetched policy, and should either return an empty optional if no changes are required, or return a new policy to be set. In the latter case the updater should either (1) set the etag of the returned policy to that of the recently fetched policy (strongly suggested), or (2) not set the etag at all.

In case (1) if the etag does not match the existing policy (i.e., there has been an intermediate update), this update is dropped and a new cycle is initiated. In case (2) the existing policy is overwritten blindly.

◆ optional

template<typename T >

using google::cloud::optional = typedef absl::optional<T>

Alias template for google::cloud::optional.

Deprecated:: this alias is deprecated; use absl::optional<T> directly.

◆ OptionList

template<typename... T>

using google::cloud::OptionList = typedef internal::TypeList<T...>

A template to hold a list of "option" types.

This can be a useful way to create meaningful lists of options. For example, there could be a list containing all the gRPC options. Or a list of all ProductX options. This gives us a way to link to lists of options with doxygen, and to do some checking about what options a function may expect.

◆ RestOptionList

using google::cloud::RestOptionList = typedef ::google::cloud::OptionList<QuotaUserOption, RestTracingOptionsOption, ServerTimeoutOption, UserIpOption>

The complete list of options accepted by CurlRestClient

◆ UnifiedCredentialsOptionList

using google::cloud::UnifiedCredentialsOptionList = typedef OptionList<AccessTokenLifetimeOption, CARootsFilePathOption, DelegatesOption, ScopesOption, TracingComponentsOption, UnifiedCredentialsOption>

A list of options related to authentication.

Enumeration Type Documentation

◆ Idempotency

enum class google::cloud::Idempotency

strong

Whether a request is idempotent.

When a RPC fails with a retryable error, the google-cloud-cpp client libraries automatically retry the RPC if the RPC is idempotent. For each service, the library define a policy that determines whether a given request is idempotent. In many cases this can be determined statically, for example, read-only operations are always idempotent. In some cases, the contents of the request may need to be examined to determine if the operation is idempotent. For example, performing operations with pre-conditions, such that the pre-conditions change when the operation succeed, is typically idempotent.

Applications may override the default idempotency policy, though we anticipate that this would be needed only in very rare circumstances. A few examples include:

In some services deleting "the most recent" entry may be idempotent if the system has been configured to keep no history or versions, as the deletion may succeed only once. In contrast, deleting "the most recent entry" is not idempotent if the system keeps multiple versions. Google Cloud Storage or Bigtable can be configured either way.
In some applications, creating a duplicate entry may be acceptable as the system will deduplicate them later. In such systems it may be preferable to retry the operation even though it is not idempotent.

Enumerator
kIdempotent	The operation is idempotent and can be retried after a transient failure.
kNonIdempotent	The operation is not idempotent and should not be retried after a transient failure.

◆ Severity

enum class google::cloud::Severity : int

strong

Define the severity levels for Google Cloud Platform C++ Libraries logging.

These are modelled after the severity level in syslog(1) and many derived tools.

We force the enum to be represented as an int because we will store the values in an std::atomic<> and the implementations usually optimize std::atomic<int> but not std::atomic<Foo>

Enumerator
GCP_LS_TRACE	Use this level for messages that indicate the code is entering and leaving functions.
GCP_LS_DEBUG	Use this level for debug messages that should not be present in production.
GCP_LS_INFO	Informational messages, such as normal progress.
GCP_LS_NOTICE	Informational messages, such as unusual, but expected conditions.
GCP_LS_WARNING	An indication of problems, users may need to take action.
GCP_LS_ERROR	An error has been detected. Do not use for normal conditions, such as remote servers disconnecting.
GCP_LS_CRITICAL	The system is in a critical state, such as running out of local resources.
GCP_LS_ALERT	The system is at risk of immediate failure.
GCP_LS_FATAL	The system is unusable. GCP_LOG(FATAL) will call std::abort().
GCP_LS_HIGHEST	The highest possible severity level.
GCP_LS_LOWEST	The lowest possible severity level.
GCP_LS_LOWEST_ENABLED	The lowest level that is enabled at compile-time.

◆ StatusCode

enum class google::cloud::StatusCode

strong

Well-known status codes with grpc::StatusCode-compatible values.

The semantics of these values are documented in: https://grpc.io/grpc/cpp/classgrpc_1_1_status.html

Enumerator
kOk	Not an error; returned on success.
kCancelled
kUnknown
kInvalidArgument
kDeadlineExceeded
kNotFound
kAlreadyExists
kPermissionDenied
kUnauthenticated
kResourceExhausted
kFailedPrecondition
kAborted
kOutOfRange
kUnimplemented
kInternal
kUnavailable
kDataLoss

Function Documentation

◆ make_ready_future() [1/2]

future< void > google::cloud::make_ready_future ( )

inline

Create a future<void> that is immediately ready.

◆ make_ready_future() [2/2]

template<typename T >

future< typename internal::make_ready_return< T >::type > google::cloud::make_ready_future ( T && t )

inline

Create a future<void> that is immediately ready.

◆ make_status_or()

template<typename T >

StatusOr< T > google::cloud::make_status_or ( T rhs )

◆ MakeKmsKeyName()

StatusOr< KmsKeyName > google::cloud::MakeKmsKeyName ( std::string const & full_name )

Constructs a KmsKeyName from the given full_name.

Returns a non-OK Status if full_name is improperly formed.

◆ MakeProject()

StatusOr< Project > google::cloud::MakeProject ( std::string const & full_name )

Constructs a Project from the given full_name.

Returns a non-OK Status if full_name is improperly formed.

◆ MakeStatusFromRpcError() [1/3]

google::cloud::Status google::cloud::MakeStatusFromRpcError ( google::rpc::Status const & proto )

Creates a google::cloud::Status from a google:rpc::Status proto.

Some gRPC services return the google::rpc::Status proto for errors. The libraries in google-cloud-cpp represent these errors using a google::cloud::Status.

◆ MakeStatusFromRpcError() [2/3]

google::cloud::Status google::cloud::MakeStatusFromRpcError ( grpc::Status const & status )

Creates a google::cloud::Status from a grpc::Status.

◆ MakeStatusFromRpcError() [3/3]

google::cloud::Status google::cloud::MakeStatusFromRpcError	(	grpc::StatusCode	code,
		std::string	what
	)

Creates a google::cloud::Status from a grpc::StatusCode and description.

◆ operator!=()

template<typename T >

bool google::cloud::operator!=	(	StatusOr< T > const &	a,
		StatusOr< T > const &	b
	)

◆ operator<<() [1/4]

std::ostream & google::cloud::operator<<	(	std::ostream &	os,
		LogRecord const &	rhs
	)

Default formatting of a LogRecord.

◆ operator<<() [2/4]

std::ostream & google::cloud::operator<<	(	std::ostream &	os,
		Severity	x
	)

Streaming operator, writes a human readable representation.

◆ operator<<() [3/4]

std::ostream & google::cloud::operator<<	(	std::ostream &	os,
		Status const &	s
	)

Stream s to os.

This in intended for logging and troubleshooting. Applications should not depend on the format of this output.

◆ operator<<() [4/4]

std::ostream & google::cloud::operator<<	(	std::ostream &	os,
		StatusCode	code
	)

◆ operator==()

template<typename T >

bool google::cloud::operator==	(	StatusOr< T > const &	a,
		StatusOr< T > const &	b
	)

◆ StatusCodeToString()

std::string google::cloud::StatusCodeToString ( StatusCode code )

◆ version()

int constexpr google::cloud::version ( )

constexpr

A single integer representing the Major/Minor/Patch version.

◆ version_major()

int constexpr google::cloud::version_major ( )

constexpr

The Google Cloud C++ Client major version.

See also: https://semver.org/spec/v2.0.0.html for details.

◆ version_minor()

int constexpr google::cloud::version_minor ( )

constexpr

The Google Cloud C++ Client minor version.

See also: https://semver.org/spec/v2.0.0.html for details.

◆ version_patch()

int constexpr google::cloud::version_patch ( )

constexpr

The Google Cloud C++ Client patch version.

See also: https://semver.org/spec/v2.0.0.html for details.

◆ version_pre_release()

constexpr char const * google::cloud::version_pre_release ( )

constexpr

The Google Cloud C++ Client pre-release version.

See also: https://semver.org/spec/v2.0.0.html for details.

◆ version_string()

std::string google::cloud::version_string ( )

The version as a string, in MAJOR.MINOR.PATCH[-PRE][+gitrev] format.

Namespaces

Classes

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

◆ BackgroundThreadsFactory

◆ BackoffPolicy

◆ CommonOptionList

◆ ExponentialBackoffPolicy

◆ GrpcOptionList

◆ IamUpdater

◆ optional

◆ OptionList

◆ RestOptionList

◆ UnifiedCredentialsOptionList

Enumeration Type Documentation

◆ Idempotency

◆ Severity

◆ StatusCode

Function Documentation

◆ make_ready_future() [1/2]

◆ make_ready_future() [2/2]

◆ make_status_or()

◆ MakeKmsKeyName()

◆ MakeProject()

◆ MakeStatusFromRpcError() [1/3]

◆ MakeStatusFromRpcError() [2/3]

◆ MakeStatusFromRpcError() [3/3]

◆ operator!=()

◆ operator<<() [1/4]

◆ operator<<() [2/4]

◆ operator<<() [3/4]

◆ operator<<() [4/4]

◆ operator==()

◆ StatusCodeToString()

◆ version()

◆ version_major()

◆ version_minor()

◆ version_patch()

◆ version_pre_release()

◆ version_string()