base::Bind: Convert Socket::Read.

net/socket/ssl_client_socket_mac.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/socket/ssl_client_socket_mac.h"
 
 #include <CoreServices/CoreServices.h>
 #include <netdb.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ skipping 514 matching lines @@
                                        const SSLConfig& ssl_config,
                                        const SSLClientSocketContext& context)
     : transport_read_callback_(this,
                                &SSLClientSocketMac::OnTransportReadComplete),
       transport_write_callback_(this,
                                 &SSLClientSocketMac::OnTransportWriteComplete),
       transport_(transport_socket),
       host_and_port_(host_and_port),
       ssl_config_(ssl_config),
       old_user_connect_callback_(NULL),
-      user_read_callback_(NULL),
+      old_user_read_callback_(NULL),
       user_write_callback_(NULL),
       user_read_buf_len_(0),
       user_write_buf_len_(0),
       next_handshake_state_(STATE_NONE),
       cert_verifier_(context.cert_verifier),
       renegotiating_(false),
       client_cert_requested_(false),
       ssl_context_(NULL),
       bytes_read_after_renegotiation_(0),
       pending_send_error_(OK),
@@ skipping 147 matching lines @@
   if (transport_.get() && transport_->socket()) {
     return transport_->socket()->GetConnectTimeMicros();
   }
   NOTREACHED();
   return base::TimeDelta::FromMicroseconds(-1);
 }
 
 int SSLClientSocketMac::Read(IOBuffer* buf, int buf_len,
                              OldCompletionCallback* callback) {
   DCHECK(completed_handshake());
-  DCHECK(!user_read_callback_);
+  DCHECK(!old_user_read_callback_ && user_read_callback_.is_null());
   DCHECK(!user_read_buf_);
 
   user_read_buf_ = buf;
+  user_read_buf_len_ = buf_len;
+
+  int rv = DoPayloadRead();
+  if (rv == ERR_IO_PENDING) {
+    old_user_read_callback_ = callback;
+  } else {
+    user_read_buf_ = NULL;
+    user_read_buf_len_ = 0;
+  }
+  return rv;
+}
+int SSLClientSocketMac::Read(IOBuffer* buf, int buf_len,
+                             const CompletionCallback& callback) {
+  DCHECK(completed_handshake());
+  DCHECK(!old_user_read_callback_ && user_read_callback_.is_null());
+  DCHECK(!user_read_buf_);
+
+  user_read_buf_ = buf;
   user_read_buf_len_ = buf_len;
 
   int rv = DoPayloadRead();
   if (rv == ERR_IO_PENDING) {
     user_read_callback_ = callback;
   } else {
     user_read_buf_ = NULL;
     user_read_buf_len_ = 0;
   }
   return rv;
@@ skipping 207 matching lines @@
     c->Run(rv > OK ? OK : rv);
   } else {
     CompletionCallback c = user_connect_callback_;
     user_connect_callback_.Reset();
     c.Run(rv > OK ? OK : rv);
   }
 }
 
 void SSLClientSocketMac::DoReadCallback(int rv) {
   DCHECK(rv != ERR_IO_PENDING);
-  DCHECK(user_read_callback_);
+  DCHECK(old_user_read_callback_ || !user_read_callback_.is_null());
 
   // Since Run may result in Read being called, clear user_read_callback_ up
   // front.
-  OldCompletionCallback* c = user_read_callback_;
-  user_read_callback_ = NULL;
-  user_read_buf_ = NULL;
-  user_read_buf_len_ = 0;
-  c->Run(rv);
+  if (old_user_read_callback_) {
+    OldCompletionCallback* c = old_user_read_callback_;
+    old_user_read_callback_ = NULL;
+    user_read_buf_ = NULL;
+    user_read_buf_len_ = 0;
+    c->Run(rv);
+  } else {
+    CompletionCallback c = user_read_callback_;
+    user_read_callback_.Reset();
+    user_read_buf_ = NULL;
+    user_read_buf_len_ = 0;
+    c.Run(rv);
+  }
 }
 
 void SSLClientSocketMac::DoWriteCallback(int rv) {
   DCHECK(rv != ERR_IO_PENDING);
   DCHECK(user_write_callback_);
 
   // Since Run may result in Write being called, clear user_write_callback_ up
   // front.
   OldCompletionCallback* c = user_write_callback_;
   user_write_callback_ = NULL;
@@ skipping 502 matching lines @@
   if (rv < 0 && rv != ERR_IO_PENDING) {
     us->write_io_buf_ = NULL;
     return OSStatusFromNetError(rv);
   }
 
   // always lie to our caller
   return noErr;
 }
 
 }  // namespace net