Patchwork [v3,2/3] Separate inet_connect into inet_connect (blocking) and inet_nonblocking_connect

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Submitter Orit Wasserman
Date Sept. 13, 2012, 6:58 p.m.
Message ID <1347562697-15411-3-git-send-email-owasserm@redhat.com>
Download mbox | patch
Permalink /patch/183700/
State New
Headers show

Comments

Orit Wasserman - Sept. 13, 2012, 6:58 p.m.
No need to add non blocking parameters to the blocking inet_connect
add block parameter for inet_connect_opts instead of using QemuOpt "block".

Signed-off-by: Orit Wasserman <owasserm@redhat.com>
---
 migration-tcp.c |    2 +-
 nbd.c           |    2 +-
 qemu-char.c     |    2 +-
 qemu-sockets.c  |   28 +++++++++++++++++++++-------
 qemu_socket.h   |    7 +++++--
 ui/vnc.c        |    2 +-
 6 files changed, 30 insertions(+), 13 deletions(-)
Juan Quintela - Sept. 14, 2012, 9:07 a.m.
Orit Wasserman <owasserm@redhat.com> wrote:
> No need to add non blocking parameters to the blocking inet_connect
> add block parameter for inet_connect_opts instead of using QemuOpt "block".
>
> Signed-off-by: Orit Wasserman <owasserm@redhat.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>
Markus Armbruster - Sept. 20, 2012, 12:44 p.m.
Orit Wasserman <owasserm@redhat.com> writes:

> No need to add non blocking parameters to the blocking inet_connect
> add block parameter for inet_connect_opts instead of using QemuOpt "block".

I believe option "block" in qemu-sockets.c's dummy_opts is now unused,
and should be dropped.  It was added in commit a6ba35b3.
Orit Wasserman - Sept. 20, 2012, 2:56 p.m.
On 09/20/2012 03:44 PM, Markus Armbruster wrote:
> Orit Wasserman <owasserm@redhat.com> writes:
> 
>> No need to add non blocking parameters to the blocking inet_connect
>> add block parameter for inet_connect_opts instead of using QemuOpt "block".
> 
> I believe option "block" in qemu-sockets.c's dummy_opts is now unused,
> and should be dropped.  It was added in commit a6ba35b3.
> 
You are right , I will remove it.

Orit

Patch

diff --git a/migration-tcp.c b/migration-tcp.c
index ac891c3..7f6ad98 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -88,7 +88,7 @@  int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
     s->write = socket_write;
     s->close = tcp_close;
 
-    s->fd = inet_connect(host_port, false, &in_progress, errp);
+    s->fd = inet_nonblocking_connect(host_port, &in_progress, errp);
     if (error_is_set(errp)) {
         migrate_fd_error(s);
         return -1;
diff --git a/nbd.c b/nbd.c
index 0dd60c5..206f75c 100644
--- a/nbd.c
+++ b/nbd.c
@@ -162,7 +162,7 @@  int tcp_socket_outgoing(const char *address, uint16_t port)
 
 int tcp_socket_outgoing_spec(const char *address_and_port)
 {
-    return inet_connect(address_and_port, true, NULL, NULL);
+    return inet_connect(address_and_port, NULL);
 }
 
 int tcp_socket_incoming(const char *address, uint16_t port)
diff --git a/qemu-char.c b/qemu-char.c
index 767da93..c442952 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2459,7 +2459,7 @@  static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
         if (is_listen) {
             fd = inet_listen_opts(opts, 0, NULL);
         } else {
-            fd = inet_connect_opts(opts, NULL, NULL);
+            fd = inet_connect_opts(opts, true, NULL, NULL);
         }
     }
     if (fd < 0) {
diff --git a/qemu-sockets.c b/qemu-sockets.c
index 939a453..212075d 100644
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -290,11 +290,11 @@  static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp)
     return res;
 }
 
-int inet_connect_opts(QemuOpts *opts, bool *in_progress, Error **errp)
+int inet_connect_opts(QemuOpts *opts, bool block, bool *in_progress,
+                      Error **errp)
 {
     struct addrinfo *res, *e;
     int sock = -1;
-    bool block = qemu_opt_get_bool(opts, "block", 0);
 
     res = inet_parse_connect_opts(opts, errp);
     if (!res) {
@@ -511,17 +511,31 @@  int inet_listen(const char *str, char *ostr, int olen,
     return sock;
 }
 
-int inet_connect(const char *str, bool block, bool *in_progress, Error **errp)
+int inet_connect(const char *str, Error **errp)
 {
     QemuOpts *opts;
     int sock = -1;
 
     opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
     if (inet_parse(opts, str) == 0) {
-        if (block) {
-            qemu_opt_set(opts, "block", "on");
-        }
-        sock = inet_connect_opts(opts, in_progress, errp);
+        sock = inet_connect_opts(opts, true, NULL, errp);
+    } else {
+        error_set(errp, QERR_SOCKET_CREATE_FAILED);
+    }
+    qemu_opts_del(opts);
+    return sock;
+}
+
+
+int inet_nonblocking_connect(const char *str, bool *in_progress,
+                             Error **errp)
+{
+    QemuOpts *opts;
+    int sock = -1;
+
+    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
+    if (inet_parse(opts, str) == 0) {
+        sock = inet_connect_opts(opts, false, in_progress, errp);
     } else {
         error_set(errp, QERR_SOCKET_CREATE_FAILED);
     }
diff --git a/qemu_socket.h b/qemu_socket.h
index 30ae6af..80696aa 100644
--- a/qemu_socket.h
+++ b/qemu_socket.h
@@ -42,8 +42,11 @@  int send_all(int fd, const void *buf, int len1);
 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp);
 int inet_listen(const char *str, char *ostr, int olen,
                 int socktype, int port_offset, Error **errp);
-int inet_connect_opts(QemuOpts *opts, bool *in_progress, Error **errp);
-int inet_connect(const char *str, bool block, bool *in_progress, Error **errp);
+int inet_connect_opts(QemuOpts *opts, bool block, bool *in_progress,
+                      Error **errp);
+int inet_connect(const char *str, Error **errp);
+int inet_nonblocking_connect(const char *str, bool *in_progress,
+                             Error **errp);
 int inet_dgram_opts(QemuOpts *opts);
 const char *inet_strfamily(int family);
 
diff --git a/ui/vnc.c b/ui/vnc.c
index 385e345..01b2daf 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3061,7 +3061,7 @@  int vnc_display_open(DisplayState *ds, const char *display)
         if (strncmp(display, "unix:", 5) == 0)
             vs->lsock = unix_connect(display+5);
         else
-            vs->lsock = inet_connect(display, true, NULL, NULL);
+            vs->lsock = inet_connect(display, NULL);
         if (-1 == vs->lsock) {
             g_free(vs->display);
             vs->display = NULL;