Changeset b3c185b6 in mainline for uspace/lib/display/src/disp_srv.c

Timestamp:

2019-11-04T14:05:35Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

be15256

Parents:

22faaf2

git-author:

Jiri Svoboda <jiri@…> (2019-10-03 18:05:09)

git-committer:

Jiri Svoboda <jiri@…> (2019-11-04 14:05:35)

Message:

Window event delivery mechanism

File:

• uspace/lib/display/src/disp_srv.c (modified) (7 diffs)

uspace/lib/display/src/disp_srv.c

@@ -36 +36 @@
 
 #include <disp_srv.h>
+#include <display/event.h>
 #include <errno.h>
+#include <io/log.h>
 #include <ipc/display.h>
 #include <stdlib.h>
 #include <stddef.h>
+
+#include <stdio.h>
+static void display_callback_create_srv(display_srv_t *srv, ipc_call_t *call)
+{
+        printf("display_callback_create_srv\n");
+
+        async_sess_t *sess = async_callback_receive(EXCHANGE_SERIALIZE);
+        if (sess == NULL) {
+                async_answer_0(call, ENOMEM);
+                return;
+        }
+
+        srv->client_sess = sess;
+        async_answer_0(call, EOK);
+}
 
 static void display_window_create_srv(display_srv_t *srv, ipc_call_t *icall)
@@ -45 +62 @@
         sysarg_t wnd_id;
         errno_t rc;
+
+        printf("display_window_create_srv\n");
 
         if (srv->ops->window_create == NULL) {
@@ -60 +79 @@
         errno_t rc;
 
+        printf("display_window_destroy_srv\n");
+
         wnd_id = ipc_get_arg1(icall);
 
@@ -71 +92 @@
 }
 
+static void display_get_event_srv(display_srv_t *srv, ipc_call_t *icall)
+{
+        sysarg_t wnd_id;
+        display_wnd_ev_t event;
+        ipc_call_t call;
+        size_t size;
+        errno_t rc;
+
+        printf("display_get_event_srv\n");
+
+        if (srv->ops->get_event == NULL) {
+                async_answer_0(icall, ENOTSUP);
+                return;
+        }
+
+        rc = srv->ops->get_event(srv->arg, &wnd_id, &event);
+        if (rc != EOK)
+                async_answer_0(icall, rc);
+
+        /* Transfer event data */
+        if (!async_data_read_receive(&call, &size)) {
+                async_answer_0(icall, EREFUSED);
+                return;
+        }
+
+        if (size != sizeof(event)) {
+                async_answer_0(icall, EREFUSED);
+                async_answer_0(&call, EREFUSED);
+                return;
+        }
+
+        rc = async_data_read_finalize(&call, &event, sizeof(event));
+        if (rc != EOK) {
+                async_answer_0(icall, rc);
+                async_answer_0(&call, rc);
+                return;
+        }
+
+        async_answer_1(icall, EOK, wnd_id);
+}
+
 void display_conn(ipc_call_t *icall, display_srv_t *srv)
 {
         /* Accept the connection */
         async_accept_0(icall);
+        printf("display_conn\n");
 
         while (true) {
@@ -88 +151 @@
                 }
 
+                printf("display_conn method=%lu\n", method);
                 switch (method) {
+                case DISPLAY_CALLBACK_CREATE:
+                        display_callback_create_srv(srv, &call);
+                        break;
                 case DISPLAY_WINDOW_CREATE:
                         display_window_create_srv(srv, &call);
@@ -94 +161 @@
                 case DISPLAY_WINDOW_DESTROY:
                         display_window_destroy_srv(srv, &call);
+                        break;
+                case DISPLAY_GET_EVENT:
+                        display_get_event_srv(srv, &call);
                         break;
                 default:
@@ -101 +171 @@
 }
 
+/** Send 'pending' event to client.
+ *
+ * @param srv Display server structure
+ */
+void display_srv_ev_pending(display_srv_t *srv)
+{
+        async_exch_t *exch;
+
+        printf("display_srv_ev_pending()\n");
+
+        exch = async_exchange_begin(srv->client_sess);
+        async_msg_0(exch, DISPLAY_EV_PENDING);
+        async_exchange_end(exch);
+}
+
 /** @}
  */