+ BIO_clear_retry_flags(bio);
+
+ StreamSocket* sock = static_cast<StreamSocket*>(BIO_get_data(bio));
+ if (sock->GetEventMask() & FD_WRITE_WILL_BLOCK)
+ {
+ // Writes blocked earlier, don't retry syscall
+ BIO_set_retry_write(bio);
+ return -1;
+ }
+
+ int ret = SocketEngine::Send(sock, buffer, size, 0);
+ if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
+ {
+ // Blocked, set retry flag for OpenSSL
+ SocketEngine::ChangeEventMask(sock, FD_WRITE_WILL_BLOCK);
+ BIO_set_retry_write(bio);
+ }
+
+ return ret;
+}
+
+static int OpenSSL::BIOMethod::read(BIO* bio, char* buffer, int size)
+{
+ BIO_clear_retry_flags(bio);
+
+ StreamSocket* sock = static_cast<StreamSocket*>(BIO_get_data(bio));
+ if (sock->GetEventMask() & FD_READ_WILL_BLOCK)
+ {
+ // Reads blocked earlier, don't retry syscall
+ BIO_set_retry_read(bio);
+ return -1;
+ }
+
+ int ret = SocketEngine::Recv(sock, buffer, size, 0);
+ if ((ret < size) && ((ret > 0) || (SocketEngine::IgnoreError())))
+ {
+ // Blocked, set retry flag for OpenSSL
+ SocketEngine::ChangeEventMask(sock, FD_READ_WILL_BLOCK);
+ BIO_set_retry_read(bio);
+ }
+
+ return ret;
+}
+
+class OpenSSLIOHookProvider : public IOHookProvider
+{
+ OpenSSL::Profile profile;