Adding 'compound assignment union operator' for folly::WriteFlags enum class

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

diff --git a/folly/io/async/AsyncTransport.h b/folly/io/async/AsyncTransport.h
index d421bb6be95709763cea7d46aa89779934b40304..8af868f7b79e586bedf18a3d706e67eac2658363 100644 (file)
--- a/folly/io/async/AsyncTransport.h
+++ b/folly/io/async/AsyncTransport.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,6 +71,14 @@ inline WriteFlags operator|(WriteFlags a, WriteFlags b) {
     static_cast<uint32_t>(a) | static_cast<uint32_t>(b));
 }
 
+/*
+ * compound assignment union operator
+ */
+inline WriteFlags& operator|=(WriteFlags& a, WriteFlags b) {
+  a = a | b;
+  return a;
+}
+
 /*
  * intersection operator
  */
@@ -79,6 +87,14 @@ inline WriteFlags operator&(WriteFlags a, WriteFlags b) {
     static_cast<uint32_t>(a) & static_cast<uint32_t>(b));
 }
 
+/*
+ * compound assignment intersection operator
+ */
+inline WriteFlags& operator&=(WriteFlags& a, WriteFlags b) {
+  a = a & b;
+  return a;
+}
+
 /*
  * exclusion parameter
  */
@@ -326,6 +342,13 @@ class AsyncTransport : public DelayedDestruction, public AsyncSocketBase {
    */
   virtual ssl::X509UniquePtr getPeerCert() const { return nullptr; }
 
+  /**
+   * The local certificate used for this connection. May be null
+   */
+  virtual const X509* getSelfCert() const {
+    return nullptr;
+  }
+
   /**
    * @return True iff end of record tracking is enabled
    */
@@ -464,6 +487,15 @@ class AsyncReader {
       return false;
     }
 
+    /**
+     * Suggested buffer size, allocated for read operations,
+     * if callback is movable and supports folly::IOBuf
+     */
+
+    virtual size_t maxBufferSize() const {
+      return 64 * 1024; // 64K
+    }
+
     /**
      * readBufferAvailable() will be invoked when data has been successfully
      * read.
@@ -477,7 +509,7 @@ class AsyncReader {
      */
 
     virtual void readBufferAvailable(std::unique_ptr<IOBuf> /*readBuf*/)
-      noexcept {};
+      noexcept {}
 
     /**
      * readEOF() will be invoked when the transport is closed.