Add TLS 1.2+ version for contexts

[folly.git] / folly / io / async / AsyncTransport.h

diff --git a/folly/io/async/AsyncTransport.h b/folly/io/async/AsyncTransport.h
index 8af868f7b79e586bedf18a3d706e67eac2658363..ca5cc4d2b4b2ae9b1eb1be56e1c1c49cc038102d 100644 (file)
--- a/folly/io/async/AsyncTransport.h
+++ b/folly/io/async/AsyncTransport.h
@@ -22,10 +22,9 @@
 #include <folly/io/async/AsyncSocketBase.h>
 #include <folly/io/async/DelayedDestruction.h>
 #include <folly/io/async/EventBase.h>
-#include <folly/io/async/ssl/OpenSSLPtrTypes.h>
+#include <folly/portability/OpenSSL.h>
 #include <folly/portability/SysUio.h>
-
-#include <openssl/ssl.h>
+#include <folly/ssl/OpenSSLPtrTypes.h>
 
 constexpr bool kOpenSslModeMoveBufferOwnership =
 #ifdef SSL_MODE_MOVE_BUFFER_OWNERSHIP
@@ -239,6 +238,16 @@ class AsyncTransport : public DelayedDestruction, public AsyncSocketBase {
    */
   virtual bool readable() const = 0;
 
+  /**
+   * Determine if the transport is writable or not.
+   *
+   * @return  true iff the transport is writable, false otherwise.
+   */
+  virtual bool writable() const {
+    // By default return good() - leave it to implementers to override.
+    return good();
+  }
+
   /**
    * Determine if the there is pending data on the transport.
    *
@@ -322,7 +331,21 @@ class AsyncTransport : public DelayedDestruction, public AsyncSocketBase {
    */
   virtual void getLocalAddress(SocketAddress* address) const = 0;
 
-  virtual void getAddress(SocketAddress* address) const {
+  /**
+   * Get the address of the remote endpoint to which this transport is
+   * connected.
+   *
+   * This function may throw AsyncSocketException on error.
+   *
+   * @return         Return the local address
+   */
+  SocketAddress getLocalAddress() const {
+    SocketAddress addr;
+    getLocalAddress(&addr);
+    return addr;
+  }
+
+  void getAddress(SocketAddress* address) const override {
     getLocalAddress(address);
   }
 
@@ -337,6 +360,20 @@ class AsyncTransport : public DelayedDestruction, public AsyncSocketBase {
    */
   virtual void getPeerAddress(SocketAddress* address) const = 0;
 
+  /**
+   * Get the address of the remote endpoint to which this transport is
+   * connected.
+   *
+   * This function may throw AsyncSocketException on error.
+   *
+   * @return         Return the remote endpoint's address
+   */
+  SocketAddress getPeerAddress() const {
+    SocketAddress addr;
+    getPeerAddress(&addr);
+    return addr;
+  }
+
   /**
    * Get the certificate used to authenticate the peer.
    */
@@ -401,7 +438,7 @@ class AsyncTransport : public DelayedDestruction, public AsyncSocketBase {
   }
 
  protected:
-  virtual ~AsyncTransport() = default;
+  ~AsyncTransport() override = default;
 };
 
 class AsyncReader {
@@ -593,15 +630,22 @@ class AsyncTransportWrapper : virtual public AsyncTransport,
   // to keep compatibility.
   using ReadCallback    = AsyncReader::ReadCallback;
   using WriteCallback   = AsyncWriter::WriteCallback;
-  virtual void setReadCB(ReadCallback* callback) override = 0;
-  virtual ReadCallback* getReadCallback() const override = 0;
-  virtual void write(WriteCallback* callback, const void* buf, size_t bytes,
-                     WriteFlags flags = WriteFlags::NONE) override = 0;
-  virtual void writev(WriteCallback* callback, const iovec* vec, size_t count,
-                      WriteFlags flags = WriteFlags::NONE) override = 0;
-  virtual void writeChain(WriteCallback* callback,
-                          std::unique_ptr<IOBuf>&& buf,
-                          WriteFlags flags = WriteFlags::NONE) override = 0;
+  void setReadCB(ReadCallback* callback) override = 0;
+  ReadCallback* getReadCallback() const override = 0;
+  void write(
+      WriteCallback* callback,
+      const void* buf,
+      size_t bytes,
+      WriteFlags flags = WriteFlags::NONE) override = 0;
+  void writev(
+      WriteCallback* callback,
+      const iovec* vec,
+      size_t count,
+      WriteFlags flags = WriteFlags::NONE) override = 0;
+  void writeChain(
+      WriteCallback* callback,
+      std::unique_ptr<IOBuf>&& buf,
+      WriteFlags flags = WriteFlags::NONE) override = 0;
   /**
    * The transport wrapper may wrap another transport. This returns the
    * transport that is wrapped. It returns nullptr if there is no wrapped
@@ -650,4 +694,4 @@ class AsyncTransportWrapper : virtual public AsyncTransport,
   virtual std::string getSecurityProtocol() const { return ""; }
 };
 
-} // folly
+} // namespace folly