Re: [Qemu-devel] [PATCH v10 17/24] migration: Export functions to create send channels

2018-03-07 Thread Daniel P . Berrangé
On Wed, Mar 07, 2018 at 12:00:03PM +0100, Juan Quintela wrote:
> Signed-off-by: Juan Quintela 
> ---
>  migration/socket.c | 28 +++-
>  migration/socket.h |  3 +++
>  2 files changed, 30 insertions(+), 1 deletion(-)
> 
> diff --git a/migration/socket.c b/migration/socket.c
> index 26110739cf..b3b5571ebb 100644
> --- a/migration/socket.c
> +++ b/migration/socket.c
> @@ -39,6 +39,28 @@ int socket_recv_channel_unref(QIOChannel *recv)
>  return 0;
>  }
>  
> +struct SocketOutgoingArgs {
> +SocketAddress *saddr;
> +} outgoing_args;
> +
> +void socket_send_channel_create(void (*f)(QIOTask *, gpointer), void *data)

This should use the proper typedef

   socket_send_channel_create(QIOTaskFunc f, void *data)

> +{
> +QIOChannelSocket *sioc = qio_channel_socket_new();
> +qio_channel_socket_connect_async(sioc, outgoing_args.saddr,
> + f, data, NULL);
> +}
> +
> +int socket_send_channel_destroy(QIOChannel *send)
> +{
> +/* Remove channel */
> +object_unref(OBJECT(send));
> +if (outgoing_args.saddr) {
> +qapi_free_SocketAddress(outgoing_args.saddr);
> +outgoing_args.saddr = NULL;
> +}
> +return 0;
> +}
> +
>  static SocketAddress *tcp_build_address(const char *host_port, Error **errp)
>  {
>  SocketAddress *saddr;
> @@ -106,6 +128,11 @@ static void 
> socket_start_outgoing_migration(MigrationState *s,
>  struct SocketConnectData *data = g_new0(struct SocketConnectData, 1);
>  
>  data->s = s;
> +
> +/* in case previous migration leaked it */
> +qapi_free_SocketAddress(outgoing_args.saddr);
> +outgoing_args.saddr = saddr;
> +
>  if (saddr->type == SOCKET_ADDRESS_TYPE_INET) {
>  data->hostname = g_strdup(saddr->u.inet.host);
>  }
> @@ -116,7 +143,6 @@ static void 
> socket_start_outgoing_migration(MigrationState *s,
>   socket_outgoing_migration,
>   data,
>   socket_connect_data_free);
> -qapi_free_SocketAddress(saddr);
>  }
>  
>  void tcp_start_outgoing_migration(MigrationState *s,
> diff --git a/migration/socket.h b/migration/socket.h
> index 638a85255a..cbdb8d64c3 100644
> --- a/migration/socket.h
> +++ b/migration/socket.h
> @@ -23,6 +23,9 @@
>  int socket_recv_channel_ref(QIOChannel *recv);
>  int socket_recv_channel_unref(QIOChannel *recv);
>  
> +void socket_send_channel_create(void (*f)(QIOTask *, gpointer), void *data);

Again use the proper typedef for the callback


> +int socket_send_channel_destroy(QIOChannel *send);
> +
>  void tcp_start_incoming_migration(const char *host_port, Error **errp);
>  
>  void tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
> -- 
> 2.14.3
> 
> 

Regards,
Daniel
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[Qemu-devel] [PATCH v10 17/24] migration: Export functions to create send channels

2018-03-07 Thread Juan Quintela
Signed-off-by: Juan Quintela 
---
 migration/socket.c | 28 +++-
 migration/socket.h |  3 +++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/migration/socket.c b/migration/socket.c
index 26110739cf..b3b5571ebb 100644
--- a/migration/socket.c
+++ b/migration/socket.c
@@ -39,6 +39,28 @@ int socket_recv_channel_unref(QIOChannel *recv)
 return 0;
 }
 
+struct SocketOutgoingArgs {
+SocketAddress *saddr;
+} outgoing_args;
+
+void socket_send_channel_create(void (*f)(QIOTask *, gpointer), void *data)
+{
+QIOChannelSocket *sioc = qio_channel_socket_new();
+qio_channel_socket_connect_async(sioc, outgoing_args.saddr,
+ f, data, NULL);
+}
+
+int socket_send_channel_destroy(QIOChannel *send)
+{
+/* Remove channel */
+object_unref(OBJECT(send));
+if (outgoing_args.saddr) {
+qapi_free_SocketAddress(outgoing_args.saddr);
+outgoing_args.saddr = NULL;
+}
+return 0;
+}
+
 static SocketAddress *tcp_build_address(const char *host_port, Error **errp)
 {
 SocketAddress *saddr;
@@ -106,6 +128,11 @@ static void socket_start_outgoing_migration(MigrationState 
*s,
 struct SocketConnectData *data = g_new0(struct SocketConnectData, 1);
 
 data->s = s;
+
+/* in case previous migration leaked it */
+qapi_free_SocketAddress(outgoing_args.saddr);
+outgoing_args.saddr = saddr;
+
 if (saddr->type == SOCKET_ADDRESS_TYPE_INET) {
 data->hostname = g_strdup(saddr->u.inet.host);
 }
@@ -116,7 +143,6 @@ static void socket_start_outgoing_migration(MigrationState 
*s,
  socket_outgoing_migration,
  data,
  socket_connect_data_free);
-qapi_free_SocketAddress(saddr);
 }
 
 void tcp_start_outgoing_migration(MigrationState *s,
diff --git a/migration/socket.h b/migration/socket.h
index 638a85255a..cbdb8d64c3 100644
--- a/migration/socket.h
+++ b/migration/socket.h
@@ -23,6 +23,9 @@
 int socket_recv_channel_ref(QIOChannel *recv);
 int socket_recv_channel_unref(QIOChannel *recv);
 
+void socket_send_channel_create(void (*f)(QIOTask *, gpointer), void *data);
+int socket_send_channel_destroy(QIOChannel *send);
+
 void tcp_start_incoming_migration(const char *host_port, Error **errp);
 
 void tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
-- 
2.14.3