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+/*
+ Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ MA 02110-1301 USA.
+ */
+
+
+/* The socket wrapper header defines a Socket class that hides the differences
+ * between Berkely style sockets and Windows sockets, allowing transparent TCP
+ * access.
+ */
+
+
+#ifndef yaSSL_SOCKET_WRAPPER_HPP
+#define yaSSL_SOCKET_WRAPPER_HPP
+
+
+#ifdef _WIN32
+ #include <winsock2.h>
+#else
+ #include <sys/time.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <unistd.h>
+ #include <netinet/in.h>
+ #include <arpa/inet.h>
+#endif
+
+
+namespace yaSSL {
+
+typedef unsigned int uint;
+
+#ifdef _WIN32
+ typedef SOCKET socket_t;
+#else
+ typedef int socket_t;
+ const socket_t INVALID_SOCKET = -1;
+ const int SD_RECEIVE = 0;
+ const int SD_SEND = 1;
+ const int SD_BOTH = 2;
+ const int SOCKET_ERROR = -1;
+#endif
+
+ extern "C" {
+ #include "openssl/transport_types.h"
+ }
+
+typedef unsigned char byte;
+
+
+// Wraps Windows Sockets and BSD Sockets
+class Socket {
+ socket_t socket_; // underlying socket descriptor
+ bool wouldBlock_; // if non-blocking data, for last read
+ bool nonBlocking_; // is option set
+ void *ptr_; // Argument to transport function
+ yaSSL_send_func_t send_func_; // Function to send data
+ yaSSL_recv_func_t recv_func_; // Function to receive data
+public:
+ explicit Socket(socket_t s = INVALID_SOCKET);
+ ~Socket();
+
+ void set_fd(socket_t s);
+ uint get_ready() const;
+ socket_t get_fd() const;
+
+ void set_transport_ptr(void *ptr);
+ void set_transport_recv_function(yaSSL_recv_func_t recv_func);
+ void set_transport_send_function(yaSSL_send_func_t send_func);
+
+ uint send(const byte* buf, unsigned int len, unsigned int& sent);
+ uint receive(byte* buf, unsigned int len);
+
+ bool wait();
+ bool WouldBlock() const;
+ bool IsNonBlocking() const;
+
+ void closeSocket();
+ void shutDown(int how = SD_SEND);
+
+ static int get_lastError();
+ static void set_lastError(int error);
+private:
+ Socket(const Socket&); // hide copy
+ Socket& operator= (const Socket&); // and assign
+};
+
+
+} // naemspace
+
+#endif // yaSSL_SOCKET_WRAPPER_HPP