netdev-dpdk: fix mbuf leaks
[cascardo/ovs.git] / lib / vconn-stream.c
index 82854e9..2858462 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2016 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,7 +15,6 @@
  */
 
 #include <config.h>
-#include <assert.h>
 #include <errno.h>
 #include <poll.h>
 #include <stdlib.h>
@@ -23,7 +22,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include "fatal-signal.h"
-#include "leak-checker.h"
 #include "ofpbuf.h"
 #include "openflow/openflow.h"
 #include "poll-loop.h"
@@ -31,8 +29,8 @@
 #include "stream.h"
 #include "util.h"
 #include "vconn-provider.h"
-#include "vconn.h"
-#include "vlog.h"
+#include "openvswitch/vconn.h"
+#include "openvswitch/vlog.h"
 
 VLOG_DEFINE_THIS_MODULE(vconn_stream);
 
@@ -47,28 +45,25 @@ struct vconn_stream
     int n_packets;
 };
 
-static struct vconn_class stream_vconn_class;
+static const struct vconn_class stream_vconn_class;
 
 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 25);
 
 static void vconn_stream_clear_txbuf(struct vconn_stream *);
 
 static struct vconn *
-vconn_stream_new(struct stream *stream, int connect_status)
+vconn_stream_new(struct stream *stream, int connect_status,
+                 uint32_t allowed_versions)
 {
     struct vconn_stream *s;
 
     s = xmalloc(sizeof *s);
     vconn_init(&s->vconn, &stream_vconn_class, connect_status,
-               stream_get_name(stream));
+               stream_get_name(stream), allowed_versions);
     s->stream = stream;
     s->txbuf = NULL;
     s->rxbuf = NULL;
     s->n_packets = 0;
-    s->vconn.remote_ip = stream_get_remote_ip(stream);
-    s->vconn.remote_port = stream_get_remote_port(stream);
-    s->vconn.local_ip = stream_get_local_ip(stream);
-    s->vconn.local_port = stream_get_local_port(stream);
     return &s->vconn;
 }
 
@@ -77,18 +72,17 @@ vconn_stream_new(struct stream *stream, int connect_status)
  *
  * Returns 0 if successful, otherwise a positive errno value. */
 static int
-vconn_stream_open(const char *name, char *suffix OVS_UNUSED,
-                  struct vconn **vconnp)
+vconn_stream_open(const char *name, uint32_t allowed_versions,
+                  char *suffix OVS_UNUSED, struct vconn **vconnp, uint8_t dscp)
 {
     struct stream *stream;
     int error;
 
-    error = stream_open_with_default_ports(name, OFP_TCP_PORT, OFP_SSL_PORT,
-                                           &stream);
+    error = stream_open_with_default_port(name, OFP_PORT, &stream, dscp);
     if (!error) {
         error = stream_connect(stream);
         if (!error || error == EAGAIN) {
-            *vconnp = vconn_stream_new(stream, error);
+            *vconnp = vconn_stream_new(stream, error, allowed_versions);
             return 0;
         }
     }
@@ -110,7 +104,7 @@ vconn_stream_close(struct vconn *vconn)
 
     if ((vconn->error == EPROTO || s->n_packets < 1) && s->rxbuf) {
         stream_report_content(s->rxbuf->data, s->rxbuf->size, STREAM_OPENFLOW,
-                              THIS_MODULE, vconn_get_name(vconn));
+                              &this_module, vconn_get_name(vconn));
     }
 
     stream_close(s->stream);
@@ -210,7 +204,6 @@ vconn_stream_send(struct vconn *vconn, struct ofpbuf *buffer)
         ofpbuf_delete(buffer);
         return 0;
     } else if (retval >= 0 || retval == -EAGAIN) {
-        leak_checker_claim(buffer);
         s->txbuf = buffer;
         if (retval > 0) {
             ofpbuf_pull(buffer, retval);
@@ -227,6 +220,7 @@ vconn_stream_run(struct vconn *vconn)
     struct vconn_stream *s = vconn_stream_cast(vconn);
     ssize_t retval;
 
+    stream_run(s->stream);
     if (!s->txbuf) {
         return;
     }
@@ -234,7 +228,7 @@ vconn_stream_run(struct vconn *vconn)
     retval = stream_send(s->stream, s->txbuf->data, s->txbuf->size);
     if (retval < 0) {
         if (retval != -EAGAIN) {
-            VLOG_ERR_RL(&rl, "send: %s", strerror(-retval));
+            VLOG_ERR_RL(&rl, "send: %s", ovs_strerror(-retval));
             vconn_stream_clear_txbuf(s);
             return;
         }
@@ -252,6 +246,7 @@ vconn_stream_run_wait(struct vconn *vconn)
 {
     struct vconn_stream *s = vconn_stream_cast(vconn);
 
+    stream_run_wait(s->stream);
     if (s->txbuf) {
         stream_send_wait(s->stream);
     }
@@ -282,7 +277,7 @@ vconn_stream_wait(struct vconn *vconn, enum vconn_wait_type wait)
         break;
 
     default:
-        NOT_REACHED();
+        OVS_NOT_REACHED();
     }
 }
 \f
@@ -294,7 +289,7 @@ struct pvconn_pstream
     struct pstream *pstream;
 };
 
-static struct pvconn_class pstream_pvconn_class;
+static const struct pvconn_class pstream_pvconn_class;
 
 static struct pvconn_pstream *
 pvconn_pstream_cast(struct pvconn *pvconn)
@@ -308,21 +303,21 @@ pvconn_pstream_cast(struct pvconn *pvconn)
  * Returns 0 if successful, otherwise a positive errno value.  (The current
  * implementation never fails.) */
 static int
-pvconn_pstream_listen(const char *name, char *suffix OVS_UNUSED,
-                      struct pvconn **pvconnp)
+pvconn_pstream_listen(const char *name, uint32_t allowed_versions,
+                      char *suffix OVS_UNUSED, struct pvconn **pvconnp,
+                      uint8_t dscp)
 {
     struct pvconn_pstream *ps;
     struct pstream *pstream;
     int error;
 
-    error = pstream_open_with_default_ports(name, OFP_TCP_PORT, OFP_SSL_PORT,
-                                            &pstream);
+    error = pstream_open_with_default_port(name, OFP_PORT, &pstream, dscp);
     if (error) {
         return error;
     }
 
     ps = xmalloc(sizeof *ps);
-    pvconn_init(&ps->pvconn, &pstream_pvconn_class, name);
+    pvconn_init(&ps->pvconn, &pstream_pvconn_class, name, allowed_versions);
     ps->pstream = pstream;
     *pvconnp = &ps->pvconn;
     return 0;
@@ -347,12 +342,12 @@ pvconn_pstream_accept(struct pvconn *pvconn, struct vconn **new_vconnp)
     if (error) {
         if (error != EAGAIN) {
             VLOG_DBG_RL(&rl, "%s: accept: %s",
-                        pstream_get_name(ps->pstream), strerror(error));
+                        pstream_get_name(ps->pstream), ovs_strerror(error));
         }
         return error;
     }
 
-    *new_vconnp = vconn_stream_new(stream, 0);
+    *new_vconnp = vconn_stream_new(stream, 0, pvconn->allowed_versions);
     return 0;
 }
 
@@ -365,9 +360,9 @@ pvconn_pstream_wait(struct pvconn *pvconn)
 \f
 /* Stream-based vconns and pvconns. */
 
-#define DEFINE_VCONN_STREAM_CLASS(NAME)             \
-        struct vconn_class NAME##_vconn_class = {   \
-            #NAME,                                  \
+#define STREAM_INIT(NAME)                           \
+    {                                               \
+            NAME,                                   \
             vconn_stream_open,                      \
             vconn_stream_close,                     \
             vconn_stream_connect,                   \
@@ -376,27 +371,27 @@ pvconn_pstream_wait(struct pvconn *pvconn)
             vconn_stream_run,                       \
             vconn_stream_run_wait,                  \
             vconn_stream_wait,                      \
-        };
+    }
 
-#define DEFINE_PVCONN_STREAM_CLASS(NAME)            \
-        struct pvconn_class NAME##_pvconn_class = { \
-            #NAME,                                  \
+#define PSTREAM_INIT(NAME)                          \
+    {                                               \
+            NAME,                                   \
             pvconn_pstream_listen,                  \
             pvconn_pstream_close,                   \
             pvconn_pstream_accept,                  \
             pvconn_pstream_wait                     \
-        };
+    }
 
-static DEFINE_VCONN_STREAM_CLASS(stream);
-static DEFINE_PVCONN_STREAM_CLASS(pstream);
+static const struct vconn_class stream_vconn_class = STREAM_INIT("stream");
+static const struct pvconn_class pstream_pvconn_class = PSTREAM_INIT("pstream");
 
-DEFINE_VCONN_STREAM_CLASS(tcp);
-DEFINE_PVCONN_STREAM_CLASS(ptcp);
+const struct vconn_class tcp_vconn_class = STREAM_INIT("tcp");
+const struct pvconn_class ptcp_pvconn_class = PSTREAM_INIT("ptcp");
 
-DEFINE_VCONN_STREAM_CLASS(unix);
-DEFINE_PVCONN_STREAM_CLASS(punix);
+const struct vconn_class unix_vconn_class = STREAM_INIT("unix");
+const struct pvconn_class punix_pvconn_class = PSTREAM_INIT("punix");
 
 #ifdef HAVE_OPENSSL
-DEFINE_VCONN_STREAM_CLASS(ssl);
-DEFINE_PVCONN_STREAM_CLASS(pssl);
+const struct vconn_class ssl_vconn_class = STREAM_INIT("ssl");
+const struct pvconn_class pssl_pvconn_class = PSTREAM_INIT("pssl");
 #endif