diff options
Diffstat (limited to 'src/bin/dhcp4/dhcp4_srv.h')
| -rw-r--r-- | src/bin/dhcp4/dhcp4_srv.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/bin/dhcp4/dhcp4_srv.h b/src/bin/dhcp4/dhcp4_srv.h index 324ba4fa0d..ec63e7fcef 100644 --- a/src/bin/dhcp4/dhcp4_srv.h +++ b/src/bin/dhcp4/dhcp4_srv.h @@ -167,6 +167,21 @@ public: protected: + /// @brief Verifies if the server id belongs to our server. + /// + /// This function checks if the server identifier carried in the specified + /// DHCPv4 message belongs to this server. If the server identifier option + /// is absent or the value carried by this option is equal to one of the + /// server identifiers used by the server, the true is returned. If the + /// server identifier option is present, but it doesn't match any server + /// identifier used by this server, the false value is returned. + /// + /// @param pkt DHCPv4 message which server identifier is to be checked. + /// + /// @return true, if the server identifier is absent or matches one of the + /// server identifiers that the server is using; false otherwise. + bool acceptServerId(const Pkt4Ptr& pkt) const; + /// @brief verifies if specified packet meets RFC requirements /// /// Checks if mandatory option is really there, that forbidden option @@ -247,7 +262,7 @@ protected: /// using separate options within their respective vendor-option spaces. /// /// @param question DISCOVER or REQUEST message from a client. - /// @param msg outgoing message (options will be added here) + /// @param answer outgoing message (options will be added here) void appendRequestedVendorOptions(const Pkt4Ptr& question, Pkt4Ptr& answer); /// @brief Assigns a lease and appends corresponding options @@ -544,6 +559,25 @@ protected: const std::string& option_space, isc::dhcp::OptionCollection& options); + /// @brief Assigns incoming packet to zero or more classes. + /// + /// @note For now, the client classification is very simple. It just uses + /// content of the vendor-class-identifier option as a class. The resulting + /// class will be stored in packet (see @ref isc::dhcp::Pkt4::classes_ and + /// @ref isc::dhcp::Pkt4::inClass). + /// + /// @param pkt packet to be classified + void classifyPacket(const Pkt4Ptr& pkt); + + /// @brief Performs packet processing specific to a class + /// + /// This processing is a likely candidate to be pushed into hooks. + /// + /// @param query incoming client's packet + /// @param rsp server's response + /// @return true if successful, false otherwise (will prevent sending response) + bool classSpecificProcessing(const Pkt4Ptr& query, const Pkt4Ptr& rsp); + private: /// @brief Constructs netmask option based on subnet4 |