Changeset 9546146 in mainline for uspace/srv/hid/display/idevcfg.c

Timestamp:

2024-08-23T18:02:06Z (4 weeks ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

4af6fb1

Parents:

ca95ccd

Message:

Persistently store display/seat configuration.

File:

• uspace/srv/hid/display/idevcfg.c (modified) (3 diffs)

uspace/srv/hid/display/idevcfg.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2023 Jiri Svoboda
+ * Copyright (c) 2024 Jiri Svoboda
  * All rights reserved.
  *
@@ -38 +38 @@
 #include <io/log.h>
 #include <loc.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include "display.h"
@@ -80 +81 @@
 }
 
+/** Load input device configuration entry from SIF node.
+ *
+ * @param display Display
+ * @param enode Entry node from which the entry should be loaded
+ * @param ridevcfg Place to store pointer to the newly loaded input device
+ *                 configuration entry
+ *
+ * @return EOK on success or an error code
+ */
+errno_t ds_idevcfg_load(ds_display_t *display, sif_node_t *enode,
+    ds_idevcfg_t **ridevcfg)
+{
+        const char *svc_name;
+        const char *sseat_id;
+        char *endptr;
+        unsigned long svc_id;
+        unsigned long seat_id;
+        ds_seat_t *seat;
+        ds_idevcfg_t *idevcfg;
+        errno_t rc;
+
+        svc_name = sif_node_get_attr(enode, "svc-name");
+        if (svc_name == NULL)
+                return EIO;
+
+        sseat_id = sif_node_get_attr(enode, "seat-id");
+        if (sseat_id == NULL)
+                return EIO;
+
+        rc = loc_service_get_id(svc_name, &svc_id, 0);
+        if (rc != EOK)
+                return rc;
+
+        seat_id = strtoul(sseat_id, &endptr, 10);
+        if (*endptr != '\0')
+                return EIO;
+
+        seat = ds_display_find_seat(display, seat_id);
+        if (seat == NULL)
+                return EIO;
+
+        rc = ds_idevcfg_create(display, svc_id, seat, &idevcfg);
+        if (rc != EOK)
+                return rc;
+
+        (void)idevcfg;
+        return EOK;
+}
+
+/** Save input device configuration entry to SIF node.
+ *
+ * @param idevcfg Input device configuration entry
+ * @param enode Entry node to which the entry should be saved
+ *
+ * @return EOK on success or an error code
+ */
+errno_t ds_idevcfg_save(ds_idevcfg_t *idevcfg, sif_node_t *enode)
+{
+        char *svc_name;
+        char *sseat_id;
+        errno_t rc;
+        int rv;
+
+        rc = loc_service_get_name(idevcfg->svc_id, &svc_name);
+        if (rc != EOK)
+                return rc;
+
+        rc = sif_node_set_attr(enode, "svc-name", svc_name);
+        if (rc != EOK) {
+                free(svc_name);
+                return rc;
+        }
+
+        free(svc_name);
+
+        rv = asprintf(&sseat_id, "%lu", (unsigned long)idevcfg->seat->id);
+        if (rv < 0) {
+                rc = ENOMEM;
+                return rc;
+        }
+
+        rc = sif_node_set_attr(enode, "seat-id", sseat_id);
+        if (rc != EOK) {
+                free(sseat_id);
+                return rc;
+        }
+
+        free(sseat_id);
+        return EOK;
+}
+
 /** @}
  */