[PATCH 08/14] block/nbd: move nbd connect-thread to nbd/client-connect.c

[Vladimir Sementsov-Ogievskiy]

connect-thread part is not directly connected to  block-layer. Good
place for it is nbd/ directory.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/block/nbd.h  |  6 ++++
 block/nbd.c          | 46 ----------------------------
 nbd/client-connect.c | 72 ++++++++++++++++++++++++++++++++++++++++++++
 nbd/meson.build      |  1 +
 4 files changed, 79 insertions(+), 46 deletions(-)
 create mode 100644 nbd/client-connect.c

diff --git a/include/block/nbd.h b/include/block/nbd.h
index 5f34d23bb0..660ab4c266 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -406,4 +406,10 @@ const char *nbd_info_lookup(uint16_t info);
 const char *nbd_cmd_lookup(uint16_t info);
 const char *nbd_err_lookup(int err);
 
+
+typedef void (*NBDConnectThreadCallback)(QIOChannelSocket *sioc, int ret,
+                                         void *opaque);
+void nbd_connect_thread_start(const SocketAddress *saddr,
+                              NBDConnectThreadCallback cb, void *cb_opaque);
+
 #endif
diff --git a/block/nbd.c b/block/nbd.c
index 4e669d762a..ba281e2d5a 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -101,15 +101,6 @@ typedef struct NBDConnectCB {
     AioContext *bh_ctx; /* where to schedule bh (NULL means don't schedule) */
 } NBDConnectCB;
 
-typedef void (*NBDConnectThreadCallback)(QIOChannelSocket *sioc, int ret,
-                                         void *opaque);
-
-typedef struct NBDConnectThread {
-    SocketAddress *saddr; /* address to connect to */
-    NBDConnectThreadCallback cb;
-    void *cb_opaque;
-} NBDConnectThread;
-
 typedef struct BDRVNBDState {
     QIOChannelSocket *sioc; /* The master data channel */
     QIOChannel *ioc; /* The current I/O channel which may differ (eg TLS) */
@@ -415,43 +406,6 @@ static void connect_thread_cb(QIOChannelSocket *sioc, int 
ret, void *opaque)
     }
 }
 
-static void *connect_thread_func(void *opaque)
-{
-    NBDConnectThread *thr = opaque;
-    int ret;
-    QIOChannelSocket *sioc = qio_channel_socket_new();
-
-    ret = qio_channel_socket_connect_sync(sioc, thr->saddr, NULL);
-    if (ret < 0) {
-        object_unref(OBJECT(sioc));
-        sioc = NULL;
-    }
-
-    thr->cb(sioc, ret, thr->cb_opaque);
-
-    qapi_free_SocketAddress(thr->saddr);
-    g_free(thr);
-
-    return NULL;
-}
-
-static void nbd_connect_thread_start(const SocketAddress *saddr,
-                                     NBDConnectThreadCallback cb,
-                                     void *cb_opaque)
-{
-    QemuThread thread;
-    NBDConnectThread *thr = g_new(NBDConnectThread, 1);
-
-    *thr = (NBDConnectThread) {
-        .saddr = QAPI_CLONE(SocketAddress, saddr),
-        .cb = cb,
-        .cb_opaque = cb_opaque,
-    };
-
-    qemu_thread_create(&thread, "nbd-connect",
-                       connect_thread_func, thr, QEMU_THREAD_DETACHED);
-}
-
 static int coroutine_fn
 nbd_co_establish_connection(BlockDriverState *bs)
 {
diff --git a/nbd/client-connect.c b/nbd/client-connect.c
new file mode 100644
index 0000000000..9f22c41a34
--- /dev/null
+++ b/nbd/client-connect.c
@@ -0,0 +1,72 @@
+/*
+ * QEMU Block driver for  NBD
+ *
+ * Copyright (c) 2020 Virtuozzo International GmbH.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/qapi-visit-sockets.h"
+#include "qapi/clone-visitor.h"
+
+#include "block/nbd.h"
+
+typedef struct NBDConnectThread {
+    SocketAddress *saddr; /* address to connect to */
+    NBDConnectThreadCallback cb;
+    void *cb_opaque;
+} NBDConnectThread;
+
+static void *connect_thread_func(void *opaque)
+{
+    NBDConnectThread *thr = opaque;
+    int ret;
+    QIOChannelSocket *sioc = qio_channel_socket_new();
+
+    ret = qio_channel_socket_connect_sync(sioc, thr->saddr, NULL);
+    if (ret < 0) {
+        object_unref(OBJECT(sioc));
+        sioc = NULL;
+    }
+
+    thr->cb(sioc, ret, thr->cb_opaque);
+
+    qapi_free_SocketAddress(thr->saddr);
+    g_free(thr);
+
+    return NULL;
+}
+
+void nbd_connect_thread_start(const SocketAddress *saddr,
+                              NBDConnectThreadCallback cb, void *cb_opaque)
+{
+    QemuThread thread;
+    NBDConnectThread *thr = g_new(NBDConnectThread, 1);
+
+    *thr = (NBDConnectThread) {
+        .saddr = QAPI_CLONE(SocketAddress, saddr),
+        .cb = cb,
+        .cb_opaque = cb_opaque,
+    };
+
+    qemu_thread_create(&thread, "nbd-connect",
+                       connect_thread_func, thr, QEMU_THREAD_DETACHED);
+}
diff --git a/nbd/meson.build b/nbd/meson.build
index 2baaa36948..da8c65ae59 100644
--- a/nbd/meson.build
+++ b/nbd/meson.build
@@ -1,5 +1,6 @@
 block_ss.add(files(
   'client.c',
+  'client-connect.c',
   'common.c',
 ))
 blockdev_ss.add(files(
-- 
2.29.2