pdcomm::opcua::buffer

Class

Owned, immutable byte buffer returned by the library.

class buffer : public owned

Declared in: #include <pdcomm/opcua/pdcomm_opcua.hpp>

Holds a discovery result, a local address, a DataValue or (as response) a service response. The bytes stay valid after the client or server that produced them is closed or destroyed.

Notes

const member functions may be called from any thread.

Members

`buffer`

Constructor

Takes ownership of a buffer handle.

explicit buffer(pdcomm_opcua_handle handle) noexcept

Declared in: #include <pdcomm/opcua/pdcomm_opcua.hpp>

Parameters

Name	Description
`handle`	Buffer handle returned by the C ABI.

`copy`

Method

Copies the buffer contents.

std::vector<uint8_t> copy() const

Declared in: #include <pdcomm/opcua/pdcomm_opcua.hpp>

Returns

The bytes, without a terminator.

Notes

Throws error: if the handle is empty or invalid.