Revision 0:1f77255a22f5, committed 2012-06-26

Comitter:

donatien

Date:

Tue Jun 26 13:16:26 2012 +0000

Child:

1:8080965f5d76

Commit message:

Initial Commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TCPSocket.cpp	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,280 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#include "TCPSocket.h"
+
+#include "bsd_socket.h"
+
+#include <cstring>
+
+using std::memset;
+
+TCPSocket::TCPSocket() : m_sock(-1)
+{
+}
+
+TCPSocket::~TCPSocket()
+{
+  close(); //Don't want to leak 
+}
+
+int TCPSocket::connect(char* host, int port, int timeout)
+{
+  int ret = init();
+  if( ret < 0 ) 
+  {
+    return -1;
+  }
+
+  //Populate m_remoteHost
+  std::memset(&m_remoteHost, 0, sizeof(struct sockaddr_in));
+
+  //Resolve DNS address or populate hard-coded IP address
+  struct hostent *server = ::gethostbyname(host);
+  if(server == NULL)
+  {
+    return -1; //Could not resolve address
+  }
+  std::memcpy((char*)&m_remoteHost.sin_addr.s_addr, (char*)server->h_addr_list[0], server->h_length);
+
+  m_remoteHost.sin_family = AF_INET;
+  m_remoteHost.sin_port = htons(port);
+  
+  ret = ::connect(m_sock, (const struct sockaddr *)&m_remoteHost, sizeof(m_remoteHost));
+  if (ret < 0)
+  {
+    close();
+    return -1;
+  }
+  
+  return 0;
+}
+
+int TCPSocket::bind(int port)
+{
+  int ret = init();
+  if( ret < 0 ) 
+  {
+    return -1;
+  }
+  
+  struct sockaddr_in localHost;
+  std::memset(&localHost, 0, sizeof(localHost));
+ 
+  localHost.sin_family = AF_INET;
+  localHost.sin_port = htons(port);
+  localHost.sin_addr.s_addr = INADDR_ANY;
+  
+  ret = ::bind(m_sock, (const struct sockaddr *)&localHost, sizeof(localHost));
+  if (ret < 0)
+  {
+    close();
+    return -1;
+  }
+
+  return 0;
+}
+
+int TCPSocket::listen(int max)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+  
+  int ret = ::listen(m_sock, max);
+  if (ret < 0)
+  {
+    close();
+    return -1;
+  }
+  
+  return 0;
+}
+
+int TCPSocket::accept(TCPSocket& socket, char** host, int* port, int timeout)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+
+  //Populate m_remoteHost
+  std::memset(&socket.m_remoteHost, 0, sizeof(struct sockaddr_in));
+
+  struct timeval t_val; //t_val will be decremented on each call to select()
+  t_val.tv_sec = timeout / 1000;
+  t_val.tv_usec = (timeout - (t_val.tv_sec * 1000)) * 1000;
+  //Wait for socket to get some connection request (i.e. to be "readable")
+  //Creating FS set
+  fd_set socksSet;
+  FD_ZERO(&socksSet);
+  FD_SET(m_sock, &socksSet);
+  int ret = ::select(FD_SETSIZE, &socksSet, NULL, NULL, &t_val);
+  if(ret <= 0 || !FD_ISSET(m_sock, &socksSet))
+  {
+    return -1; //Timeout
+  }
+  
+  socklen_t newSockRemoteHostLen = sizeof(socket.m_remoteHost);
+  
+  ret = ::accept(m_sock, (struct sockaddr*)&socket.m_remoteHost, &newSockRemoteHostLen);
+  if( ret < 0 )
+  {
+    return -1; //Accept failed
+  }
+  
+  socket.m_sock = ret; //ret is the new socket's fd
+  socket.m_closedByRemoteHost = false;
+  
+  static char hostBuf[16];
+  inet_ntoa_r(socket.m_remoteHost.sin_addr, hostBuf, sizeof(hostBuf));
+  
+  *host = hostBuf;
+  *port = ntohs(socket.m_remoteHost.sin_port);
+
+  return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocket::send(uint8_t* data, int length, int timeout)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+  
+  if( m_closedByRemoteHost )
+  {
+    return 0;
+  }
+
+  size_t writtenLen = 0;
+  struct timeval t_val; //t_val will be decremented on each call to select()
+  t_val.tv_sec = timeout / 1000;
+  t_val.tv_usec = (timeout - (t_val.tv_sec * 1000)) * 1000;
+  while(writtenLen < length)
+  {
+    //Wait for socket to be writeable
+    //Creating FS set
+    fd_set socksSet;
+    FD_ZERO(&socksSet);
+    FD_SET(m_sock, &socksSet);
+
+    int ret = ::select(FD_SETSIZE, NULL, &socksSet, NULL, &t_val);
+    if(ret <= 0 || !FD_ISSET(m_sock, &socksSet))
+    {
+      return writtenLen; //Timeout -- FIXME should we return -1 or writtenLength ?
+    }
+
+    ret = ::send(m_sock, data + writtenLen, length - writtenLen, 0);
+    if( ret > 0)
+    {
+      writtenLen += ret;
+      continue;
+    }
+    else if( ret == 0 )
+    {
+      m_closedByRemoteHost = true;
+      return writtenLen; //Connection was closed by remote host -- FIXME how do we signal that the connection was closed ?
+    }
+    else
+    {
+      return -1; //Connnection error
+    }
+  }
+  
+  return writtenLen;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocket::receive(uint8_t* data, int length, int timeout)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+  
+  if( m_closedByRemoteHost )
+  {
+    return 0;
+  }
+  
+  size_t readLen = 0;
+  struct timeval t_val; //t_val will be decremented on each call to select()
+  t_val.tv_sec = timeout / 1000;
+  t_val.tv_usec = (timeout - (t_val.tv_sec * 1000)) * 1000;
+  while(readLen < length)
+  {
+    //Wait for socket to be readable
+    //Creating FS set
+    fd_set socksSet;
+    FD_ZERO(&socksSet);
+    FD_SET(m_sock, &socksSet);
+    int ret = ::select(FD_SETSIZE, &socksSet, NULL, NULL, &t_val);
+    if(ret <= 0 || !FD_ISSET(m_sock, &socksSet))
+    {
+      return readLen; //Timeout -- FIXME should we return -1 or writtenLength ?
+    }
+
+    ret = ::recv(m_sock, data + readLen, length - readLen, 0);
+    if( ret > 0)
+    {
+      readLen += ret;
+      continue;
+    }
+    else if( ret == 0 )
+    {
+      m_closedByRemoteHost = true;
+      return readLen; //Connection was closed by remote host -- FIXME how do we signal that the connection was closed ?
+    }
+    else
+    {
+      return -1; //Connnection error
+    }
+  }
+  return readLen;
+}
+
+int TCPSocket::close()
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+
+  ::close(m_sock);
+  m_sock = -1;
+  
+  return 0;
+}
+
+int TCPSocket::init()
+{
+  if( m_sock != -1 )
+  {
+    return -1;
+  }
+  m_sock = ::socket(AF_INET, SOCK_STREAM, 0); //TCP socket
+  if (m_sock < 0)
+  {
+    return -1; //Could not create socket (Out of memory / available descriptors)
+  }
+  m_closedByRemoteHost = false;
+  return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TCPSocket.h	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,98 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include <cstdint>
+
+#include "bsd_socket.h"
+
+/**
+This is a C++ abstraction for TCP networking sockets.
+*/
+class TCPSocket
+{
+  public:
+  
+    /** Instantiate a TCP Socket.
+    */
+    TCPSocket();
+    
+    ~TCPSocket();
+
+    /** Connect the TCP Socket to the following host.
+    \param host The host to connect to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to connect to.
+    \param timeout The maximum time in ms during which to try to connect.
+    \return 0 on success, -1 on failure.
+    */
+    int connect(char* host, int port, int timeout = 0);
+
+    /** Bind a socket to a specific port.
+    For a listening socket, bind the socket to the following port. The socket will start listening for incoming connections on this port on the call to listen().
+    \param port The port to listen for incoming connections on.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+
+    /** Start listening for incoming connections.
+    \param max The maximum number of connections that can be accepted.
+    \return 0 on success, -1 on failure.
+    */
+    int listen(int max);
+
+    /** Accept a new connection.
+    \param socket A socket instance that will handle the incoming connection.
+    \param host The reference that will point to the client's IP address.
+    \param port The reference that will point to the client's port.
+    \param timeout The maximum time in ms during which to wait for an incoming connection.
+    \return 0 on success, -1 on failure.
+    */
+    int accept(TCPSocket& socket, char** host, int* port, int timeout = 0);
+
+    /** Send data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \param timeout The maximum amount of time in ms to wait while trying to send the buffer.
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int send(std::uint8_t* data, int length, int timeout = 0);
+
+    /** Receive data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \param timeout The maximum amount of time in ms to wait while trying to receive data.
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receive(std::uint8_t* data, int length, int timeout = 0);
+
+    /** Close the socket.
+    */
+    int close();
+    
+  private:
+    int init();
+
+    int m_sock;
+    bool m_closedByRemoteHost;
+    struct sockaddr_in m_remoteHost;
+
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UDPSocket.cpp	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,205 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "UDPSocket.h"
+#include "bsd_socket.h"
+
+#include <cstring>
+
+using std::memset;
+
+UDPSocket::UDPSocket() : m_sock(-1)
+{
+}
+
+UDPSocket::~UDPSocket()
+{
+  close(); //Don't want to leak
+}
+
+int UDPSocket::bind(int port)
+{
+  int ret = init();
+  if( ret < 0 ) 
+  {
+    return -1;
+  }
+  
+  struct sockaddr_in localHost;
+  std::memset(&localHost, 0, sizeof(localHost));
+ 
+  localHost.sin_family = AF_INET;
+  localHost.sin_port = htons(port);
+  localHost.sin_addr.s_addr = INADDR_ANY;
+  
+  ret = ::bind(m_sock, (const struct sockaddr *)&localHost, sizeof(localHost));
+  if (ret < 0)
+  {
+    close();
+    return -1;
+  }
+
+  return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(uint8_t* data, int length, char* host, int port, int timeout)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+  
+  struct sockaddr_in remoteHost;
+ 
+  //Populate m_remoteHost
+  std::memset(&remoteHost, 0, sizeof(struct sockaddr_in));
+
+  //Resolve DNS address or populate hard-coded IP address
+  struct hostent *server = ::gethostbyname(host);
+  if(server == NULL)
+  {
+    return -1; //Could not resolve address
+  }
+  std::memcpy((char*)&remoteHost.sin_addr.s_addr, (char*)server->h_addr_list[0], server->h_length);
+
+  remoteHost.sin_family = AF_INET;
+  remoteHost.sin_port = htons(port);
+
+  size_t writtenLen = 0;
+  struct timeval t_val; //t_val will be decremented on each call to select()
+  t_val.tv_sec = timeout / 1000;
+  t_val.tv_usec = (timeout - (t_val.tv_sec * 1000)) * 1000;
+  while(writtenLen < length)
+  {
+    //Wait for socket to be writeable
+    //Creating FS set
+    fd_set socksSet;
+    FD_ZERO(&socksSet);
+    FD_SET(m_sock, &socksSet);
+
+    int ret = ::select(FD_SETSIZE, NULL, &socksSet, NULL, &t_val);
+    if(ret <= 0 || !FD_ISSET(m_sock, &socksSet))
+    {
+      return writtenLen; //Timeout -- FIXME should we return -1 or writtenLength ?
+    }
+
+    ret = ::sendto(m_sock, data + writtenLen, length - writtenLen, 0, (const struct sockaddr *)&remoteHost, sizeof(remoteHost));
+    if( ret > 0)
+    {
+      writtenLen += ret;
+      continue;
+    }
+    else if( ret == 0 )
+    {
+      return writtenLen; //Connection was closed by server -- FIXME how do we signal that the connection was closed ?
+    }
+    else
+    {
+      return -1; //Connnection error
+    }
+  }
+  
+  return writtenLen;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(uint8_t* data, int length, char** host, int* port, int timeout)
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+
+  struct sockaddr_in remoteHost;
+ 
+  //Populate m_remoteHost
+  std::memset(&remoteHost, 0, sizeof(struct sockaddr_in));
+  
+  socklen_t remoteHostLen = sizeof(remoteHost);
+
+  size_t readLen = 0;
+  struct timeval t_val; //t_val will be decremented on each call to select()
+  t_val.tv_sec = timeout / 1000;
+  t_val.tv_usec = (timeout - (t_val.tv_sec * 1000)) * 1000;
+  
+  //No loop here as we don't want to mix packets from different sources
+  do
+  {
+    //Wait for socket to be readable
+    //Creating FS set
+    fd_set socksSet;
+    FD_ZERO(&socksSet);
+    FD_SET(m_sock, &socksSet);
+    int ret = ::select(FD_SETSIZE, &socksSet, NULL, NULL, &t_val);
+    if(ret <= 0 || !FD_ISSET(m_sock, &socksSet))
+    {
+      break; //Timeout -- FIXME should we return -1 or writtenLength ?
+    }
+    
+    ret = ::recvfrom(m_sock, data + readLen, length - readLen, 0, (struct sockaddr*)&remoteHost, &remoteHostLen);
+    if( ret > 0)
+    {
+      readLen += ret;
+    }
+    else if( ret == 0 )
+    {
+      //Connection was closed by server -- FIXME how do we signal that the connection was closed ?
+      //Continue and populate address
+    }
+    else
+    {
+      return -1; //Connection error
+    }
+  } while(0);
+  
+  static char hostBuf[16];
+  inet_ntoa_r(remoteHost.sin_addr, hostBuf, sizeof(hostBuf));
+  
+  *host = hostBuf;
+  *port = ntohs(remoteHost.sin_port);
+  
+  return readLen;
+}
+
+int UDPSocket::close()
+{
+  if( m_sock < 0 )
+  {
+    return -1;
+  }
+
+  ::close(m_sock);
+  m_sock = -1;
+  
+  return 0;
+}
+
+int UDPSocket::init()
+{
+  if( m_sock != -1 )
+  {
+    return -1;
+  }
+  m_sock = ::socket(AF_INET, SOCK_DGRAM, 0); //UDP socket
+  if (m_sock < 0)
+  {
+    return -1; //Could not create socket (Out of memory / available descriptors)
+  }
+  return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UDPSocket.h	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,75 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include <cstdint>
+
+/**
+This is a C++ abstraction for UDP networking sockets.
+*/
+class UDPSocket
+{
+  public:
+  
+    /** Instantiate a UDP Socket.
+    */
+    UDPSocket();
+    
+    ~UDPSocket();
+
+    /** Bind a socket to a specific port.
+    For a listening socket, bind the socket to the following port.
+    \param port The port to listen for incoming connections on, using 0 here will select a random port.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+
+    /** Send data to a remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \param host The host to send data to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to send data to.
+    \param timeout The maximum amount of time in ms to wait while trying to send the buffer.
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int sendTo(std::uint8_t* data, int length, char* host, int port, int timeout = 0);
+
+    /** Receive data from a remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \param host The reference that will point to the client's IP address.
+    \param port The reference that will point to the client's port.
+    \param timeout The maximum amount of time in ms to wait while trying to receive data.
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receiveFrom(std::uint8_t* data, int length, char** host, int* port, int timeout = 0);
+
+    /** Close the socket.
+    */
+    int close();
+
+  private:
+    int init();
+
+    int m_sock;
+  
+};
+
+#endif 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bsd_socket.h	Tue Jun 26 13:16:26 2012 +0000
@@ -0,0 +1,34 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef BSD_SOCKET_H_
+#define BSD_SOCKET_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "socket/sys/socket.h" //Must conform to <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html>
+#include "socket/netinet/in.h" //Must conform to <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html>
+#include "socket/netdb.h"      //Must conform to <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BSD_SOCKET_H_ */