Add the number of struct tcp_info bytes read from Netlink
This patch adds to the SockDiag TcpInfoReader callback the number of
bytes read from Netlink when parsing a struct tcp_info attribute with
attribute id INET_DIAG_INFO.
On different kernels, struct tcp_info will have different fields and
different sizes when serialized. A generic sock_diag struct tcp_info
handler can use the attribute byte size to distinguish between different
fields and safely read data inside struct tcp_info.
Bug: 64147860
Test: tested manually on sailfish with 3.18 kernel,
using $ adb shell dumpsys netd tcp_socket_info
Change-Id: I45da9ed787dc7f0c4873ce1132b5f8094bcffd0a
3 files changed