rtnl: add event loop integration

[elogind.git] / src / libsystemd-rtnl / rtnl-internal.h

diff --git a/src/libsystemd-rtnl/rtnl-internal.h b/src/libsystemd-rtnl/rtnl-internal.h
index b34e7ea126f63345074462456f3f04e11090dba7..c8a97da398dffbbb22b13bd0b4d382f3d38bd672 100644 (file)
--- a/src/libsystemd-rtnl/rtnl-internal.h
+++ b/src/libsystemd-rtnl/rtnl-internal.h
@@ -21,7 +21,20 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <linux/netlink.h>
+
 #include "refcnt.h"
+#include "prioq.h"
+
+#include "sd-rtnl.h"
+
+struct reply_callback {
+        sd_rtnl_message_handler_t callback;
+        void *userdata;
+        usec_t timeout;
+        uint64_t serial;
+        unsigned prioq_idx;
+};
 
 struct sd_rtnl {
         RefCount n_ref;
@@ -33,15 +46,38 @@ struct sd_rtnl {
                 struct sockaddr_nl nl;
         } sockaddr;
 
+        sd_rtnl_message **rqueue;
+        unsigned rqueue_size;
+
+        sd_rtnl_message **wqueue;
+        unsigned wqueue_size;
+
+        bool processing:1;
+
         uint32_t serial;
 
+        struct Prioq *reply_callbacks_prioq;
+        Hashmap *reply_callbacks;
+
         pid_t original_pid;
+
+        sd_event_source *io_event_source;
+        sd_event_source *time_event_source;
+        sd_event_source *quit_event_source;
+        sd_event *event;
 };
 
 #define RTNL_DEFAULT_TIMEOUT ((usec_t) (10 * USEC_PER_SEC))
 
-int message_get_errno(sd_rtnl_message *m);
-int message_get_serial(sd_rtnl_message *m);
+#define RTNL_WQUEUE_MAX 1024
+#define RTNL_RQUEUE_MAX 64*1024
+
+int message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message **ret);
+uint32_t message_get_serial(sd_rtnl_message *m);
 int message_seal(sd_rtnl *nl, sd_rtnl_message *m);
 int socket_write_message(sd_rtnl *nl, sd_rtnl_message *m);
 int socket_read_message(sd_rtnl *nl, sd_rtnl_message **ret);
+
+/* Make sure callbacks don't destroy the rtnl connection */
+#define RTNL_DONT_DESTROY(rtnl) \
+        _cleanup_sd_rtnl_unref_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl)