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Diff: features/netsocket/NetworkInterface.h
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- 0:f269e3021894
diff -r 000000000000 -r f269e3021894 features/netsocket/NetworkInterface.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/features/netsocket/NetworkInterface.h Sun Oct 23 15:10:02 2016 +0000 @@ -0,0 +1,161 @@ + +/** \addtogroup netsocket */ +/** @{*/ +/* NetworkStack + * Copyright (c) 2015 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef NETWORK_INTERFACE_H +#define NETWORK_INTERFACE_H + +#include "netsocket/nsapi_types.h" +#include "netsocket/SocketAddress.h" + +// Predeclared class +class NetworkStack; + + +/** NetworkInterface class + * + * Common interface that is shared between network devices + */ +class NetworkInterface { +public: + virtual ~NetworkInterface() {}; + + /** Get the local MAC address + * + * Provided MAC address is intended for info or debug purposes and + * may not be provided if the underlying network interface does not + * provide a MAC address + * + * @return Null-terminated representation of the local MAC address + * or null if no MAC address is available + */ + virtual const char *get_mac_address(); + + /** Get the local IP address + * + * @return Null-terminated representation of the local IP address + * or null if no IP address has been recieved + */ + virtual const char *get_ip_address(); + + /** Get the local network mask + * + * @return Null-terminated representation of the local network mask + * or null if no network mask has been recieved + */ + virtual const char *get_netmask(); + + /** Get the local gateway + * + * @return Null-terminated representation of the local gateway + * or null if no network mask has been recieved + */ + virtual const char *get_gateway(); + + /** Set a static IP address + * + * Configures this network interface to use a static IP address. + * Implicitly disables DHCP, which can be enabled in set_dhcp. + * Requires that the network is disconnected. + * + * @param address Null-terminated representation of the local IP address + * @param netmask Null-terminated representation of the local network mask + * @param gateway Null-terminated representation of the local gateway + * @return 0 on success, negative error code on failure + */ + virtual int set_network(const char *ip_address, const char *netmask, const char *gateway); + + /** Enable or disable DHCP on the network + * + * Enables DHCP on connecting the network. Defaults to enabled unless + * a static IP address has been assigned. Requires that the network is + * disconnected. + * + * @param dhcp True to enable DHCP + * @return 0 on success, negative error code on failure + */ + virtual int set_dhcp(bool dhcp); + + /** Start the interface + * + * @return 0 on success, negative error code on failure + */ + virtual int connect() = 0; + + /** Stop the interface + * + * @return 0 on success, negative error code on failure + */ + virtual int disconnect() = 0; + + /** Translates a hostname to an IP address + * + * The hostname may be either a domain name or an IP address. If the + * hostname is an IP address, no network transactions will be performed. + * + * If no stack-specific DNS resolution is provided, the hostname + * will be resolve using a UDP socket on the stack. + * + * @param address Destination for the host SocketAddress + * @param host Hostname to resolve + * @return 0 on success, negative error code on failure + */ + virtual int gethostbyname(const char *host, SocketAddress *address); + + /** Translates a hostname to an IP address with specific version + * + * The hostname may be either a domain name or an IP address. If the + * hostname is an IP address, no network transactions will be performed. + * + * If no stack-specific DNS resolution is provided, the hostname + * will be resolve using a UDP socket on the stack. + * + * @param address Destination for the host SocketAddress + * @param host Hostname to resolve + * @param version IP version of address to resolve + * @return 0 on success, negative error code on failure + */ + virtual int gethostbyname(const char *host, SocketAddress *address, nsapi_version_t version); + + /** Add a domain name server to list of servers to query + * + * @param addr Destination for the host address + * @return 0 on success, negative error code on failure + */ + virtual int add_dns_server(const SocketAddress &address); + +protected: + friend class Socket; + friend class UDPSocket; + friend class TCPSocket; + friend class TCPServer; + friend class SocketAddress; + template <typename IF> + friend NetworkStack *nsapi_create_stack(IF *iface); + + /** Provide access to the NetworkStack object + * + * @return The underlying NetworkStack object + */ + virtual NetworkStack *get_stack() = 0; +}; + + +#endif + +/** @}*/