C++ SDK

class Runtime

The Runtime class.

class RuntimeHandler

Customer implement this interface to handle runtime message.

Subclassed by Function::RegisterRuntimeHandler

class Context

This is the class of context parameters passed when executing a function, and this object contains information such as the call, function and environment.

Subclassed by Function::ContextImpl

class FunctionLogger

The log class.

struct InvokeOptions

The struct is used to provide parameters for configuring function calls.

Public Members

int cpu = 0

CPU size (unit: mi/millicores).

int memory = 0

Memory size (unit: MB/megabytes).

std::unordered_map<std::string, std::string> aliasParams

Alias params.

class Function

class ObjectRef

The ObjectRef class.

class FunctionError : public std::exception

The exception class.

enum Function::ErrorCode

Error codes for runtime and user handler operations.

Constant.h “include/faas/Constant.h”

Values:

enumerator OK

Success.

enumerator ERROR

Generic error.

enumerator ILLEGAL_ACCESS

Illegal access to runtime.

enumerator FUNCTION_EXCEPTION

User function exception.

enumerator USER_STATE_LARGE_ERROR

enumerator ILLEGAL_RETURN

Illegal return value from user handler.

enumerator USER_STATE_UNDEFINED_ERROR

enumerator USER_INITIALIZATION_FUNCTION_EXCEPTION

User Initializer() function exception.

enumerator USER_LOAD_FUNCTION_EXCEPTION

User load function exception.

enumerator NO_SUCH_INSTANCE_NAME_ERROR_CODE

Instance name not found.

enumerator INVALID_PARAMETER

Invalid parameter.

enumerator NO_SUCH_STATE_ERROR_CODE

Illegal access to runtime.

enumerator INTERNAL_ERROR

Internal system error.