Separation Generator to a dedicated repo

Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 97 insertions, 0 deletions

diff --git a/low-can-binding/utils/socketcan.cpp b/low-can-binding/utils/socketcan.cpp
new file mode 100644
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+++ b/low-can-binding/utils/socketcan.cpp
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+/*
+ * Copyright (C) 2015, 2016 ,2017 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ * Author "Loïc Collignon" <loic.collignon@iot.bzh>
+ * 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.
+ */
+
+#include <unistd.h>
+#include <string>
+#include <linux/can/raw.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include "socketcan.hpp"
+
+namespace utils
+{
+
+	/// @brief Construct a default, invalid, socket.
+	socketcan_t::socketcan_t()
+		: socket_{INVALID_SOCKET}
+	{}
+
+	/// @brief Construct a socket by moving an existing one.
+	socketcan_t::socketcan_t(socketcan_t&& s)
+		: socket_{s.socket_}
+	{
+		::memset(&tx_address_, 0, sizeof(tx_address_));
+	}
+
+	socketcan_t& socketcan_t::operator=(const socketcan_t& s)
+	{
+		socket_ = std::move(s.socket_);
+		return *this;
+	}
+
+	socketcan_t::~socketcan_t()
+	{
+		close();
+		socket_ = INVALID_SOCKET;
+	}
+
+	const struct sockaddr_can& socketcan_t::get_tx_address() const
+	{
+		return tx_address_;
+	}
+
+	/// @brief Test if socket is valid.
+	/// @return true if valid, false otherwise.
+	socketcan_t::operator bool() const
+	{
+		return socket_ != INVALID_SOCKET;
+	}
+
+	/// @brief Open the socket.
+	/// @param[in] domain Specifies the communications domain in which a socket is to be created.
+	/// @param[in] type Specifies the type of socket to be created.
+	/// @param[in] protocol Specifies a particular protocol to be used with the socket. Specifying a protocol of 0 causes socket() to use an unspecified default protocol appropriate for the requested socket type.
+	/// @return Upon successful completion, shall return a non-negative integer, the socket file descriptor. Otherwise, a value of -1 shall be returned and errno set to indicate the error.
+	int socketcan_t::open(int domain, int type, int protocol)
+	{
+		close();
+		socket_ = ::socket(domain, type, protocol);
+		return socket_;
+	}
+
+	/// @brief Close the socket.
+	/// @return 0 if success.
+	int socketcan_t::close()
+	{
+		return socket_ != INVALID_SOCKET ? ::close(socket_) : 0;
+	}
+
+	/// @brief Set socket option.
+	/// @return 0 if success.
+	int socketcan_t::setopt(int level, int optname, const void* optval, socklen_t optlen)
+	{
+		return socket_ != INVALID_SOCKET ? ::setsockopt(socket_, level, optname, optval, optlen) : 0;
+	}
+
+	/// @brief Get the file descriptor.
+	/// @return The socket's file descriptor
+	int socketcan_t::socket() const
+	{
+		return socket_;
+	}
+}
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