| #pragma once |
| |
| #include "net_iface.h" |
| #include "net_sockio.h" |
| |
| #include <sys/socket.h> |
| |
| #include <cstddef> |
| #include <cstring> |
| |
| namespace ncsi |
| { |
| |
| class SockIO : public net::SockIO |
| { |
| public: |
| SockIO() = default; |
| |
| explicit SockIO(int sockfd) : net::SockIO(sockfd) |
| {} |
| |
| // This function creates a raw socket and initializes sockfd_. |
| // If the default constructor for this class was used, |
| // this function MUST be called before the object can be used |
| // for anything else. |
| int init(); |
| |
| // Since raw packet socket is used for NC-SI, it needs to be bound |
| // to the interface. This function needs to be called after init, |
| // before the socket it used for communication. |
| int bind_to_iface(const net::IFaceBase& iface); |
| |
| // Applies a filter to the interface to ignore VLAN tagged packets |
| int filter_vlans(); |
| |
| // Non-blocking version of recv. Uses poll with timeout. |
| int recv(void* buf, size_t maxlen) override; |
| |
| private: |
| struct sockaddr_ll sock_addr_; |
| const int kpoll_timeout_ = 10; |
| }; |
| |
| } // namespace ncsi |