To be honest, to me it feels like the benefit from this change is not
worth the added complexity of generating GEnums and modifying the
channel clients, etc. Do you have plans to use this somewhere? Or do
you just call it from gdb or something?
Jonathon
On Thu, 2017-10-12 at 12:13 +0200, Christophe Fergeau wrote:
> Given a RedPipeItem, this returns a string corresponding to its type,
> which is useful while debugging to get a better feel of what's going
> on.
>
> This is achieved by introducing a new
> RedChannelClientClass::red_pipe_item_type member, which is then used
> together with the enum data generated by glib-mkenums to turn an enum
> int value into a string.
> ---
> server/common-graphics-channel.c | 2 ++
> server/cursor-channel-client.c | 2 ++
> server/dcc.c | 2 ++
> server/inputs-channel-client.c | 2 ++
> server/main-channel-client.c | 2 ++
> server/red-channel-client.c | 39
> +++++++++++++++++++++++++++++++++++++++
> server/red-channel-client.h | 2 ++
> server/smartcard-channel-client.c | 2 ++
> server/spicevmc.c | 27 ++++++++++++++++++++++++++-
> 9 files changed, 79 insertions(+), 1 deletion(-)
>
> diff --git a/server/common-graphics-channel.c b/server/common-
> graphics-channel.c
> index 0cbc2762c..c36f2966f 100644
> --- a/server/common-graphics-channel.c
> +++ b/server/common-graphics-channel.c
> @@ -23,6 +23,7 @@
> #include "common-graphics-channel.h"
> #include "dcc.h"
> #include "red-client.h"
> +#include "red-pipe-item-enums.h"
>
> #define CHANNEL_RECEIVE_BUF_SIZE 1024
>
> @@ -134,6 +135,7 @@
> common_graphics_channel_client_class_init(CommonGraphicsChannelClient
> Class *klas
>
> g_type_class_add_private(klass,
> sizeof(CommonGraphicsChannelClientPrivate));
>
> + client_class->red_pipe_item_type =
> COMMON_GRAPHICS_CHANNEL_PIPE_ITEM_TYPE;
> client_class->config_socket =
> common_channel_client_config_socket;
> client_class->alloc_recv_buf = common_alloc_recv_buf;
> client_class->release_recv_buf = common_release_recv_buf;
> diff --git a/server/cursor-channel-client.c b/server/cursor-channel-
> client.c
> index 42ab5d763..e3a452cac 100644
> --- a/server/cursor-channel-client.c
> +++ b/server/cursor-channel-client.c
> @@ -23,6 +23,7 @@
>
> #include "common-graphics-channel.h"
> #include "red-channel-client.h"
> +#include "red-pipe-item-enums.h"
> #include "cache-item.h"
> #include "cursor-channel.h"
> #include "cursor-channel-client.h"
> @@ -57,6 +58,7 @@
> cursor_channel_client_class_init(CursorChannelClientClass *klass)
>
> g_type_class_add_private(klass,
> sizeof(CursorChannelClientPrivate));
>
> + client_class->red_pipe_item_type =
> CURSOR_CHANNEL_PIPE_ITEM_TYPE;
> client_class->on_disconnect =
> cursor_channel_client_on_disconnect;
> }
>
> diff --git a/server/dcc.c b/server/dcc.c
> index 90684e17c..6360d0b8e 100644
> --- a/server/dcc.c
> +++ b/server/dcc.c
> @@ -24,6 +24,7 @@
> #include "display-channel-private.h"
> #include "red-client.h"
> #include "main-channel-client.h"
> +#include "red-pipe-item-enums.h"
> #include "spice-server-enums.h"
> #include "glib-compat.h"
>
> @@ -133,6 +134,7 @@
> display_channel_client_class_init(DisplayChannelClientClass *klass)
> object_class->constructed = display_channel_client_constructed;
> object_class->finalize = display_channel_client_finalize;
>
> + client_class->red_pipe_item_type =
> DISPLAY_CHANNEL_PIPE_ITEM_TYPE;
> client_class->config_socket = dcc_config_socket;
> client_class->on_disconnect = dcc_on_disconnect;
>
> diff --git a/server/inputs-channel-client.c b/server/inputs-channel-
> client.c
> index c9c88da23..35fab1051 100644
> --- a/server/inputs-channel-client.c
> +++ b/server/inputs-channel-client.c
> @@ -21,6 +21,7 @@
> #include "inputs-channel-client.h"
> #include "migration-protocol.h"
> #include "red-channel-client.h"
> +#include "red-pipe-item-enums.h"
>
> G_DEFINE_TYPE(InputsChannelClient, inputs_channel_client,
> RED_TYPE_CHANNEL_CLIENT)
>
> @@ -78,6 +79,7 @@
> inputs_channel_client_class_init(InputsChannelClientClass *klass)
>
> g_type_class_add_private(klass,
> sizeof(InputsChannelClientPrivate));
>
> + client_class->red_pipe_item_type = INPUT_CHANNEL_PIPE_ITEM_TYPE;
> client_class->alloc_recv_buf =
> inputs_channel_client_alloc_msg_rcv_buf;
> client_class->release_recv_buf =
> inputs_channel_client_release_msg_rcv_buf;
> client_class->on_disconnect =
> inputs_channel_client_on_disconnect;
> diff --git a/server/main-channel-client.c b/server/main-channel-
> client.c
> index bdcc1e825..61700bb51 100644
> --- a/server/main-channel-client.c
> +++ b/server/main-channel-client.c
> @@ -25,6 +25,7 @@
> #include "main-channel.h"
> #include "red-channel-client.h"
> #include "red-client.h"
> +#include "red-pipe-item-enums.h"
> #include "reds.h"
>
> #define NET_TEST_WARMUP_BYTES 0
> @@ -210,6 +211,7 @@ static void
> main_channel_client_class_init(MainChannelClientClass *klass)
> object_class->get_property = main_channel_client_get_property;
> object_class->set_property = main_channel_client_set_property;
>
> + client_class->red_pipe_item_type = MAIN_CHANNEL_PIPE_ITEM_TYPE;
> client_class->alloc_recv_buf =
> main_channel_client_alloc_msg_rcv_buf;
> client_class->release_recv_buf =
> main_channel_client_release_msg_rcv_buf;
> client_class->on_disconnect = main_channel_client_on_disconnect;
> diff --git a/server/red-channel-client.c b/server/red-channel-
> client.c
> index ca0a6d19f..5be4a40dc 100644
> --- a/server/red-channel-client.c
> +++ b/server/red-channel-client.c
> @@ -35,6 +35,7 @@
>
> #include "red-channel-client.h"
> #include "red-client.h"
> +#include "red-pipe-item-enums.h"
> #include "glib-compat.h"
>
> #define CLIENT_ACK_WINDOW 20
> @@ -406,6 +407,8 @@ static void
> red_channel_client_class_init(RedChannelClientClass *klass)
> g_debug("%s", G_STRFUNC);
> g_type_class_add_private(klass,
> sizeof(RedChannelClientPrivate));
>
> + klass->red_pipe_item_type = RED_CHANNEL_PIPE_ITEM_TYPE;
> +
> object_class->get_property = red_channel_client_get_property;
> object_class->set_property = red_channel_client_set_property;
> object_class->finalize = red_channel_client_finalize;
> @@ -1898,3 +1901,39 @@ GQuark spice_server_error_quark(void)
> {
> return g_quark_from_static_string("spice-server-error-quark");
> }
> +
> +const char *red_channel_client_get_pipe_item_name(RedChannelClient
> *rcc, RedPipeItem *item)
> +{
> + RedChannelClientClass *klass;
> + GEnumValue *enum_value = NULL;
> +
> + g_return_val_if_fail(RED_IS_CHANNEL_CLIENT(rcc), NULL);
> + klass = RED_CHANNEL_CLIENT_GET_CLASS(rcc);
> + g_return_val_if_fail(G_TYPE_IS_ENUM(klass->red_pipe_item_type),
> NULL);
> +
> + while (RED_IS_CHANNEL_CLIENT_CLASS(klass)) {
> + GEnumClass *enum_class;
> +
> + enum_class = g_type_class_ref(klass->red_pipe_item_type);
> + if (item->type < enum_class->minimum) {
> + g_type_class_unref(enum_class);
> + klass = g_type_class_peek_parent(klass);
> + continue;
> + }
> +
> + if (item->type > enum_class->maximum) {
> + g_type_class_unref(enum_class);
> + g_warn_if_reached();
> + break;
> + }
> +
> + enum_value = g_enum_get_value(enum_class, item->type);
> + g_type_class_unref(enum_class);
> + break;
> + }
> +
> + if (enum_value != NULL)
> + return enum_value->value_name;
> +
> + g_return_val_if_reached(NULL);
> +}
> diff --git a/server/red-channel-client.h b/server/red-channel-
> client.h
> index 572831dd3..f0484a400 100644
> --- a/server/red-channel-client.h
> +++ b/server/red-channel-client.h
> @@ -151,6 +151,7 @@ void
> red_channel_client_init_outgoing_messages_window(RedChannelClient
> *rcc);
> gboolean red_channel_client_set_migration_seamless(RedChannelClient
> *rcc);
> void red_channel_client_set_destroying(RedChannelClient *rcc);
> bool red_channel_client_is_destroying(RedChannelClient *rcc);
> +const char *red_channel_client_get_pipe_item_name(RedChannelClient
> *rcc, RedPipeItem *item);
>
> struct RedChannelClient
> {
> @@ -162,6 +163,7 @@ struct RedChannelClient
> struct RedChannelClientClass
> {
> GObjectClass parent_class;
> + GType red_pipe_item_type;
>
> /* configure socket connected to the client */
> bool (*config_socket)(RedChannelClient *rcc);
> diff --git a/server/smartcard-channel-client.c b/server/smartcard-
> channel-client.c
> index b1652e769..4c6bf2376 100644
> --- a/server/smartcard-channel-client.c
> +++ b/server/smartcard-channel-client.c
> @@ -18,6 +18,7 @@
> #include <config.h>
> #endif
>
> +#include "red-pipe-item-enums.h"
> #include "smartcard-channel-client.h"
>
> G_DEFINE_TYPE(SmartCardChannelClient, smart_card_channel_client,
> RED_TYPE_CHANNEL_CLIENT)
> @@ -91,6 +92,7 @@ static void
> smart_card_channel_client_class_init(SmartCardChannelClientClass *kl
> g_type_class_add_private(klass,
> sizeof(SmartCardChannelClientPrivate));
>
> RedChannelClientClass *client_class =
> RED_CHANNEL_CLIENT_CLASS(klass);
> + client_class->red_pipe_item_type =
> SMARTCARD_CHANNEL_PIPE_ITEM_TYPE;
> client_class->alloc_recv_buf =
> smartcard_channel_client_alloc_msg_rcv_buf;
> client_class->release_recv_buf =
> smartcard_channel_client_release_msg_rcv_buf;
> client_class->on_disconnect =
> smartcard_channel_client_on_disconnect;
> diff --git a/server/spicevmc.c b/server/spicevmc.c
> index fb760944b..1fe9922b5 100644
> --- a/server/spicevmc.c
> +++ b/server/spicevmc.c
> @@ -316,13 +316,37 @@ typedef struct RedPortEventPipeItem {
> uint8_t event;
> } RedPortEventPipeItem;
>
> -enum {
> +typedef enum {
> RED_PIPE_ITEM_TYPE_SPICEVMC_DATA =
> RED_PIPE_ITEM_TYPE_CHANNEL_BASE,
> RED_PIPE_ITEM_TYPE_SPICEVMC_MIGRATE_DATA,
> RED_PIPE_ITEM_TYPE_PORT_INIT,
> RED_PIPE_ITEM_TYPE_PORT_EVENT,
> +} SpiceVmcPipeItemType;
> +
> +static const GEnumValue _spicevmc_channel_pipe_item_type_values[] =
> {
> + { RED_PIPE_ITEM_TYPE_SPICEVMC_DATA,
> "RED_PIPE_ITEM_TYPE_SPICEVMC_DATA", "data" },
> + { RED_PIPE_ITEM_TYPE_SPICEVMC_MIGRATE_DATA,
> "RED_PIPE_ITEM_TYPE_SPICEVMC_MIGRATE_DATA", "migrate-data" },
> + { RED_PIPE_ITEM_TYPE_PORT_INIT, "RED_PIPE_ITEM_TYPE_PORT_INIT",
> "port-init" },
> + { RED_PIPE_ITEM_TYPE_PORT_EVENT,
> "RED_PIPE_ITEM_TYPE_PORT_EVENT", "port-event" },
> + { 0, NULL, NULL }
> };
>
> +static GType
> +spicevmc_channel_pipe_item_type_get_type (void)
> +{
> + static GType type = 0;
> + static volatile gsize type_volatile = 0;
> +
> + if (g_once_init_enter(&type_volatile)) {
> + type = g_enum_register_static
> ("SpiceVmlChannelPipeItemType",
> _spicevmc_channel_pipe_item_type_values);
> + g_once_init_leave(&type_volatile, type);
> + }
> +
> + return type;
> +}
> +
> +#define SPICEVMC_CHANNEL_PIPE_ITEM_TYPE
> spicevmc_channel_pipe_item_type_get_type()
> +
> static void
> spicevmc_red_channel_release_msg_rcv_buf(RedChannelClient *rcc,
> uint16_t type,
> uint32_t size,
> @@ -987,6 +1011,7 @@
> vmc_channel_client_class_init(VmcChannelClientClass *klass)
> {
> RedChannelClientClass *client_class =
> RED_CHANNEL_CLIENT_CLASS(klass);
>
> + client_class->red_pipe_item_type =
> SPICEVMC_CHANNEL_PIPE_ITEM_TYPE;
> client_class->alloc_recv_buf =
> spicevmc_red_channel_alloc_msg_rcv_buf;
> client_class->release_recv_buf =
> spicevmc_red_channel_release_msg_rcv_buf;
> client_class->on_disconnect =
> spicevmc_red_channel_client_on_disconnect;
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