X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fstream-ssl.c;h=6839341c1cf56161fedfb4923c35ce50ea38b2fa;hb=557092898d7ac9d7451d565720c56fba811494e8;hp=11bbf4adae73460427c7a6272ad5ecf2b31a6e6c;hpb=42967038cbbb56b894e99eb17e5de7cfb11de9cf;p=openvswitch

diff --git a/lib/stream-ssl.c b/lib/stream-ssl.c
index 11bbf4ad..6839341c 100644
--- a/lib/stream-ssl.c
+++ b/lib/stream-ssl.c
@@ -437,6 +437,14 @@ ssl_close(struct stream *stream)
 {
     struct ssl_stream *sslv = ssl_stream_cast(stream);
     ssl_clear_txbuf(sslv);
+
+    /* Attempt clean shutdown of the SSL connection.  This will work most of
+     * the time, as long as the kernel send buffer has some free space and the
+     * SSL connection isn't renegotiating, etc.  That has to be good enough,
+     * since we don't have any way to continue the close operation in the
+     * background. */
+    SSL_shutdown(sslv->ssl);
+
     SSL_free(sslv->ssl);
     close(sslv->fd);
     free(sslv);
@@ -541,7 +549,8 @@ ssl_recv(struct stream *stream, void *buffer, size_t n)
         if (error == SSL_ERROR_ZERO_RETURN) {
             return 0;
         } else {
-            return interpret_ssl_error("SSL_read", ret, error, &sslv->rx_want);
+            return -interpret_ssl_error("SSL_read", ret, error,
+                                        &sslv->rx_want);
         }
     }
 }
@@ -589,7 +598,7 @@ ssl_send(struct stream *stream, const void *buffer, size_t n)
     struct ssl_stream *sslv = ssl_stream_cast(stream);
 
     if (sslv->txbuf) {
-        return EAGAIN;
+        return -EAGAIN;
     } else {
         int error;
 
@@ -598,13 +607,13 @@ ssl_send(struct stream *stream, const void *buffer, size_t n)
         switch (error) {
         case 0:
             ssl_clear_txbuf(sslv);
-            return 0;
+            return n;
         case EAGAIN:
             leak_checker_claim(buffer);
-            return 0;
+            return n;
         default:
             sslv->txbuf = NULL;
-            return error;
+            return -error;
         }
     }
 }