diff options
| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
| commit | d7ce700605e1af0e455e31ec11f19ff21d26b525 (patch) | |
| tree | 243b582ac3350e8c6ce6ca96fff13805318fd65c /StdLib/BsdSocketLib/socket.c | |
| parent | f766dd76fde231ecd4f2e9faf99293e90902cebb (diff) | |
| download | edk2-platforms-d7ce700605e1af0e455e31ec11f19ff21d26b525.tar.xz | |
Add Socket Libraries.
Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
setenv(), fparseln(), GetFileNameFromPath(), rename(),
realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
bcopy(),
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'StdLib/BsdSocketLib/socket.c')
| -rw-r--r-- | StdLib/BsdSocketLib/socket.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/StdLib/BsdSocketLib/socket.c b/StdLib/BsdSocketLib/socket.c new file mode 100644 index 0000000000..3754a29eb0 --- /dev/null +++ b/StdLib/BsdSocketLib/socket.c @@ -0,0 +1,286 @@ +/** @file
+ Implement the socket API.
+
+ Copyright (c) 2011, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <SocketInternals.h>
+
+
+const struct fileops SocketOperations = {
+ BslSocketClose, // close
+ BslSocketRead, // read
+ BslSocketWrite, // write
+
+ //
+ // Not supported
+ //
+ fnullop_fcntl, // fcntl
+ BslSocketPoll, // poll
+ fnullop_flush, // flush
+
+ fbadop_stat, // stat
+ fbadop_ioctl, // ioctl
+ fbadop_delete, // delete
+ fbadop_rmdir, // rmdir
+ fbadop_mkdir, // mkdir
+ fbadop_rename, // rename
+
+ NULL // lseek
+};
+
+
+/**
+ Translate from the socket file descriptor to the socket protocol.
+
+ @param [in] s Socket file descriptor returned from ::socket.
+
+ @param [in] ppDescriptor Address to receive the descriptor structure
+ address for the file
+ @param [in] pErrno Address of the errno variable
+
+ @returns A pointer to the socket protocol structure or NULL if
+ an invalid file descriptor was passed in.
+
+ **/
+EFI_SOCKET_PROTOCOL *
+BslFdToSocketProtocol (
+ int s,
+ struct __filedes ** ppDescriptor,
+ int * pErrno
+ )
+{
+ struct __filedes * pDescriptor;
+ EFI_SOCKET_PROTOCOL * pSocketProtocol;
+
+ //
+ // Assume failure
+ //
+ pSocketProtocol = NULL;
+
+ //
+ // Validate the file descriptor
+ //
+ if ( !ValidateFD ( s, TRUE )) {
+ //
+ // Bad file descriptor
+ //
+ *pErrno = EBADF;
+ }
+ else {
+ //
+ // Get the descriptor for the file
+ //
+ pDescriptor = &gMD->fdarray [ s ];
+
+ //
+ // Validate that the descriptor is associated with sockets
+ //
+ pSocketProtocol = BslValidateSocketFd ( pDescriptor, pErrno );
+ if (( NULL != ppDescriptor ) && ( NULL != pSocketProtocol )) {
+ *ppDescriptor = pDescriptor;
+ }
+ }
+
+ //
+ // Return the socket protocol
+ //
+ return pSocketProtocol;
+}
+
+
+/**
+ Build a file descriptor for a socket.
+
+ @param [in] pSocketProtocol Socket protocol structure address
+
+ @param [in] pErrno Address of the errno variable
+
+ @returns The file descriptor for the socket or -1 if an error occurs.
+
+ **/
+int
+BslSocketProtocolToFd (
+ IN EFI_SOCKET_PROTOCOL * pSocketProtocol,
+ IN int * pErrno
+ )
+{
+ int FileDescriptor;
+ struct __filedes * pDescriptor;
+
+ //
+ // Assume failure
+ //
+ FileDescriptor = -1;
+
+ //
+ // Locate a file descriptor
+ //
+ FileDescriptor = FindFreeFD ( VALID_CLOSED );
+ if( FileDescriptor < 0 ) {
+ //
+ // All available FDs are in use
+ //
+ errno = EMFILE;
+ }
+ else {
+ //
+ // Initialize the file descriptor
+ //
+ pDescriptor = &gMD->fdarray [ FileDescriptor ];
+ pDescriptor->f_offset = 0;
+ pDescriptor->f_flag = 0;
+ pDescriptor->f_iflags = DTYPE_SOCKET;
+ pDescriptor->MyFD = (UINT16)FileDescriptor;
+ pDescriptor->Oflags = 0;
+ pDescriptor->Omode = S_ACC_READ | S_ACC_WRITE;
+ pDescriptor->RefCount = 1;
+ FILE_SET_MATURE ( pDescriptor );
+
+ //
+ // Socket specific file descriptor initialization
+ //
+ pDescriptor->devdata = pSocketProtocol;
+ pDescriptor->f_ops = &SocketOperations;
+ }
+
+ //
+ // Return the socket's file descriptor
+ //
+ return FileDescriptor;
+}
+
+
+/**
+ Creates an endpoint for network communication.
+
+ The ::Socket routine initializes the communication endpoint by providing
+ the support for the socket library function ::socket. The
+ <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html">POSIX</a>
+ documentation for the socket routine is available online for reference.
+
+ @param [in] domain Select the family of protocols for the client or server
+ application.
+
+ @param [in] type Specifies how to make the network connection. The following values
+ are supported:
+ <ul>
+ <li>
+ SOCK_STREAM - Connect to TCP, provides a byte stream
+ that is manipluated by read, recv, send and write.
+ </li>
+ <li>
+ SOCK_SEQPACKET - Connect to TCP, provides sequenced packet stream
+ that is manipulated by read, recv, send and write.
+ </li>
+ <li>
+ SOCK_DGRAM - Connect to UDP, provides a datagram service that is
+ manipulated by recvfrom and sendto.
+ </li>
+ </ul>
+
+ @param [in] protocol Specifies the lower layer protocol to use. The following
+ values are supported:
+ <ul>
+ <li>IPPROTO_TCP</li> - This value must be combined with SOCK_STREAM.</li>
+ <li>IPPROTO_UDP</li> - This value must be combined with SOCK_DGRAM.</li>
+ </ul>
+
+ @returns This routine returns a file descriptor for the socket.
+
+ **/
+INT32
+socket (
+ IN INT32 domain,
+ IN INT32 type,
+ IN INT32 protocol
+ )
+{
+ INT32 FileDescriptor;
+ EFI_SOCKET_PROTOCOL * pSocketProtocol;
+ EFI_STATUS Status;
+
+ //
+ // Assume failure
+ //
+ FileDescriptor = -1;
+
+ //
+ // Locate the socket protocol
+ //
+ errno = EslServiceGetProtocol ( &pSocketProtocol );
+ if ( 0 == errno ) {
+ //
+ // Initialize the socket
+ //
+ Status = pSocketProtocol->pfnSocket ( pSocketProtocol,
+ domain,
+ type,
+ protocol,
+ &errno );
+ if ( !EFI_ERROR ( Status ))
+ {
+ //
+ // Build the file descriptor for the socket
+ //
+ FileDescriptor = BslSocketProtocolToFd ( pSocketProtocol,
+ &errno );
+ }
+ }
+
+ //
+ // Return the socket's file descriptor
+ //
+ return FileDescriptor;
+}
+
+
+/**
+ Validate the socket's file descriptor
+
+ @param [in] pDescriptor Descriptor for the file
+
+ @param [in] pErrno Address of the errno variable
+
+ @returns A pointer to the socket protocol structure or NULL if
+ an invalid file descriptor was passed in.
+
+ **/
+EFI_SOCKET_PROTOCOL *
+BslValidateSocketFd (
+ struct __filedes * pDescriptor,
+ int * pErrno
+ )
+{
+ EFI_SOCKET_PROTOCOL * pSocketProtocol;
+
+ //
+ // Assume failure
+ //
+ *pErrno = ENOTSOCK;
+ pSocketProtocol = NULL;
+
+ //
+ // Validate that the descriptor is associated with sockets
+ //
+ if ( DTYPE_SOCKET == ( pDescriptor->f_iflags & DTYPE_MASK )) {
+ //
+ // Locate the socket protocol
+ //
+ pSocketProtocol = pDescriptor->devdata;
+ *pErrno = 0;
+ }
+
+ //
+ // Return the socket protocol
+ //
+ return pSocketProtocol;
+}
|