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#pragma once
#include <asm/types.h>
#include <linux/netlink.h>
#include <sys/socket.h>
#include <iostream>
#include <list>
#include <map>
#include <string>
namespace phosphor
{
namespace network
{
namespace route
{
constexpr auto BUFSIZE = 4096;
struct Entry
{
// destination network
std::string destination;
// gateway for this network.
std::string gateway;
// interface for this route
std::string interface;
Entry(const std::string& dest, const std::string& gtw,
const std::string& intf) :
destination(dest),
gateway(gtw), interface(intf)
{
}
bool operator==(const Entry& rhs)
{
return this->destination == rhs.destination &&
this->gateway == rhs.gateway && this->interface == rhs.interface;
}
};
// Map of network address and the route entry
using Map = std::map<std::string, struct Entry>;
class Table
{
public:
Table();
~Table() = default;
Table(const Table&) = default;
Table& operator=(const Table&) = default;
Table(Table&&) = default;
Table& operator=(Table&&) = default;
/**
* @brief gets the list of routes.
*
* @returns list of routes.
*/
Map getRoutes();
/**
* @brief gets the default v4 gateway.
*
* @returns the default v4 gateway.
*/
std::string getDefaultGateway() const
{
return defaultGateway;
};
/**
* @brief gets the default v6 gateway.
*
* @returns the default v6 gateway.
*/
std::string getDefaultGateway6() const
{
return defaultGateway6;
};
/**
* @brief get the gateway for the network.
* @param[in] addressFamily - ip address family(AF_INET/AF_INET6)
* @param[in] ipaddress - ip address.
* @param[in] prefix - prefix length.
* @returns the gatway for the given network.
*/
std::string getGateway(int addressFamily, const std::string& ipaddress,
uint8_t prefix) const;
private:
/**
* @brief read the routing data from the socket and fill the buffer.
*
* @param[in] bufPtr - unique pointer to confidentiality algorithm
* instance
*/
int readNetLinkSock(int sockFd, std::array<char, BUFSIZE>& buff);
/**
* @brief Parse the route and add it to the route list.
*
* @param[in] nlHdr - net link message header.
*/
void parseRoutes(const struct nlmsghdr* nlHdr);
std::string defaultGateway; // default gateway
std::string defaultGateway6; // default gateway
Map routeList; // List of routes
};
} // namespace route
} // namespace network
} // namespace phosphor
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