Nicolas Borla
BBR 1 Ebene
Diff: mbed-os/features/nanostack/nanostack-interface/NanostackInterface.h
- Revision:
- 0:fbdae7e6d805
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/features/nanostack/nanostack-interface/NanostackInterface.h Mon May 14 11:29:06 2018 +0000
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2016-2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 NANOSTACK_INTERFACE_H_
+#define NANOSTACK_INTERFACE_H_
+
+#include "mbed.h"
+#include "NetworkStack.h"
+#include "MeshInterface.h"
+// Include here for backward compatibility
+#include "LoWPANNDInterface.h"
+#include "ThreadInterface.h"
+#include "NanostackEthernetInterface.h"
+#include "MeshInterfaceNanostack.h"
+
+struct ns_address;
+
+/** Network interface class for Nanostack */
+class NanostackInterface : public NetworkStack {
+public:
+ static NanostackInterface *get_stack();
+
+protected:
+
+ /** Get the local IP address
+ *
+ * @return Null-terminated representation of the local IP address
+ * or null if not yet connected
+ */
+ virtual const char *get_ip_address();
+
+ /** Opens a socket
+ *
+ * Creates a network socket and stores it in the specified handle.
+ * The handle must be passed to following calls on the socket.
+ *
+ * A stack may have a finite number of sockets, in this case
+ * NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
+ *
+ * @param handle Destination for the handle to a newly created socket
+ * @param proto Protocol of socket to open, NSAPI_TCP or NSAPI_UDP
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t socket_open(void **handle, nsapi_protocol_t proto);
+
+ /** Close the socket
+ *
+ * Closes any open connection and deallocates any memory associated
+ * with the socket.
+ *
+ * @param handle Socket handle
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t socket_close(void *handle);
+
+ /** Bind a specific address to a socket
+ *
+ * Binding a socket specifies the address and port on which to recieve
+ * data. If the IP address is zeroed, only the port is bound.
+ *
+ * @param handle Socket handle
+ * @param address Local address to bind
+ * @return 0 on success, negative error code on failure.
+ */
+ virtual nsapi_error_t socket_bind(void *handle, const SocketAddress &address);
+
+ /** Listen for connections on a TCP socket
+ *
+ * Marks the socket as a passive socket that can be used to accept
+ * incoming connections.
+ *
+ * @param handle Socket handle
+ * @param backlog Number of pending connections that can be queued
+ * simultaneously
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t socket_listen(void *handle, int backlog);
+
+ /** Connects TCP socket to a remote host
+ *
+ * Initiates a connection to a remote server specified by the
+ * indicated address.
+ *
+ * @param handle Socket handle
+ * @param address The SocketAddress of the remote host
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t socket_connect(void *handle, const SocketAddress &address);
+
+ /** Accepts a connection on a TCP socket
+ *
+ * The server socket must be bound and set to listen for connections.
+ * On a new connection, creates a network socket and stores it in the
+ * specified handle. The handle must be passed to following calls on
+ * the socket.
+ *
+ * A stack may have a finite number of sockets, in this case
+ * NSAPI_ERROR_NO_SOCKET is returned if no socket is available.
+ *
+ * This call is non-blocking. If accept would block,
+ * NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+ *
+ * @param server Socket handle to server to accept from
+ * @param handle Destination for a handle to the newly created socket
+ * @param address Destination for the remote address or NULL
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t socket_accept(void *handle, void **server, SocketAddress *address);
+
+ /** Send data over a TCP socket
+ *
+ * The socket must be connected to a remote host. Returns the number of
+ * bytes sent from the buffer.
+ *
+ * This call is non-blocking. If send would block,
+ * NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+ *
+ * @param handle Socket handle
+ * @param data Buffer of data to send to the host
+ * @param size Size of the buffer in bytes
+ * @return Number of sent bytes on success, negative error
+ * code on failure
+ */
+ virtual nsapi_size_or_error_t socket_send(void *handle, const void *data, nsapi_size_t size);
+
+ /** Receive data over a TCP socket
+ *
+ * The socket must be connected to a remote host. Returns the number of
+ * bytes received into the buffer.
+ *
+ * This call is non-blocking. If recv would block,
+ * NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+ *
+ * @param handle Socket handle
+ * @param data Destination buffer for data received from the host
+ * @param size Size of the buffer in bytes
+ * @return Number of received bytes on success, negative error
+ * code on failure
+ */
+ virtual nsapi_size_or_error_t socket_recv(void *handle, void *data, nsapi_size_t size);
+
+ /** Send a packet over a UDP socket
+ *
+ * Sends data to the specified address. Returns the number of bytes
+ * sent from the buffer.
+ *
+ * This call is non-blocking. If sendto would block,
+ * NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+ *
+ * @param handle Socket handle
+ * @param address The SocketAddress of the remote host
+ * @param data Buffer of data to send to the host
+ * @param size Size of the buffer in bytes
+ * @return Number of sent bytes on success, negative error
+ * code on failure
+ */
+ virtual nsapi_size_or_error_t socket_sendto(void *handle, const SocketAddress &address, const void *data, nsapi_size_t size);
+
+ /** Receive a packet over a UDP socket
+ *
+ * Receives data and stores the source address in address if address
+ * is not NULL. Returns the number of bytes received into the buffer.
+ *
+ * This call is non-blocking. If recvfrom would block,
+ * NSAPI_ERROR_WOULD_BLOCK is returned immediately.
+ *
+ * @param handle Socket handle
+ * @param address Destination for the source address or NULL
+ * @param buffer Destination buffer for data received from the host
+ * @param size Size of the buffer in bytes
+ * @return Number of received bytes on success, negative error
+ * code on failure
+ */
+ virtual nsapi_size_or_error_t socket_recvfrom(void *handle, SocketAddress *address, void *buffer, nsapi_size_t size);
+
+ /** Register a callback on state change of the socket
+ *
+ * The specified callback will be called on state changes such as when
+ * the socket can recv/send/accept successfully and on when an error
+ * occurs. The callback may also be called spuriously without reason.
+ *
+ * The callback may be called in an interrupt context and should not
+ * perform expensive operations such as recv/send calls.
+ *
+ * @param handle Socket handle
+ * @param callback Function to call on state change
+ * @param data Argument to pass to callback
+ */
+ virtual void socket_attach(void *handle, void (*callback)(void *), void *data);
+
+ /* Set stack-specific socket options
+ *
+ * The setsockopt allow an application to pass stack-specific hints
+ * to the underlying stack. For unsupported options,
+ * NSAPI_ERROR_UNSUPPORTED is returned and the socket is unmodified.
+ *
+ * @param handle Socket handle
+ * @param level Stack-specific protocol level
+ * @param optname Stack-specific option identifier
+ * @param optval Option value
+ * @param optlen Length of the option value
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t setsockopt(void *handle, int level, int optname, const void *optval, unsigned optlen);
+
+ /* Get stack-specific socket options
+ *
+ * The getstackopt allow an application to retrieve stack-specific hints
+ * from the underlying stack. For unsupported options,
+ * NSAPI_ERROR_UNSUPPORTED is returned and optval is unmodified.
+ *
+ * @param handle Socket handle
+ * @param level Stack-specific protocol level
+ * @param optname Stack-specific option identifier
+ * @param optval Destination for option value
+ * @param optlen Length of the option value
+ * @return 0 on success, negative error code on failure
+ */
+ virtual nsapi_error_t getsockopt(void *handle, int level, int optname, void *optval, unsigned *optlen);
+
+private:
+ nsapi_size_or_error_t do_sendto(void *handle, const struct ns_address *address, const void *data, nsapi_size_t size);
+ char text_ip_address[40];
+ static NanostackInterface * _ns_interface;
+};
+
+nsapi_error_t map_mesh_error(mesh_error_t err);
+
+#endif /* NANOSTACK_INTERFACE_H_ */