From f685878d4eb057d29c2b8087a1c55eb027bb7dda Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Mon, 20 Jul 2015 22:33:46 +0200
Subject: server: determine the evdev that corresponds to a given rcdev

---
 rcm-server-main.c | 41 +++++++++++++++++++++++++++++++++++++++++
 rcm-server-main.h |  1 +
 2 files changed, 42 insertions(+)

diff --git a/rcm-server-main.c b/rcm-server-main.c
index cde13a0..5d9cb20 100644
--- a/rcm-server-main.c
+++ b/rcm-server-main.c
@@ -699,6 +699,9 @@ add_device(struct manager *mgr, struct udev_device *udev)
 	const char *str;
 	char *path;
 	struct device *device;
+	struct udev_enumerate *enumerate;
+	struct udev_list_entry *devices, *dev_list_entry;
+	struct udev_device *evdev;
 
 	name = udev_device_get_sysname(udev);
 	if (asprintf(&path, "/org/gnome/RemoteControlManager/%s", name) < 0) {
@@ -716,12 +719,49 @@ add_device(struct manager *mgr, struct udev_device *udev)
 	list_init(&device->keymaps);
 	device->path = path;
 	device->name = device->path + strlen("/org/gnome/RemoteControlManager/");
+	device->devnode = NULL;
 
 	if (keymaps_load(device) < 0) {
 		fprintf(stderr, "failed to load keymaps: %m\n");
 		free(path);
 		free(device);
+		return;
+	}
+
+	enumerate = udev_enumerate_new(mgr->udev);
+	udev_enumerate_add_match_parent(enumerate, udev);
+	udev_enumerate_add_match_sysname(enumerate, "event*");
+	udev_enumerate_scan_devices(enumerate);
+	devices = udev_enumerate_get_list_entry(enumerate);
+
+	udev_list_entry_foreach(dev_list_entry, devices) {
+		const char *path;
+		const char *devnode;
+
+		path = udev_list_entry_get_name(dev_list_entry);
+		if (!path) {
+			printf("Failed to get udev name\n");
+			continue;
+		}
+
+		evdev = udev_device_new_from_syspath(mgr->udev, path);
+		if (!evdev) {
+			printf("Failed to create udev device\n");
+			continue;
+		}
+
+		devnode = udev_device_get_devnode(evdev);
+		if (devnode && !device->devnode) {
+			device->devnode = strdup(devnode);
+			if (!device->devnode)
+				printf("Failed to strdup devnode\n");
+			else
+				printf("Devnode is %s\n", device->devnode);
+		}
+
+		udev_device_unref(evdev);
 	}
+	udev_enumerate_unref(enumerate);
 
 	str = udev_device_get_sysattr_value(udev, "uevent");
 	if (str) {
@@ -748,6 +788,7 @@ add_device(struct manager *mgr, struct udev_device *udev)
 	printf("\tAction    : %s\n", udev_device_get_action(udev));
 	printf("\tDriver    : %s\n", device->driver_name);
 	printf("\tKernel map: %s\n", device->keymap_name);
+	printf("\tDevnode   : %s\n", device->devnode);
 	printf("\tProtocols : %s\n",
 	       udev_device_get_sysattr_value(udev, "protocols"));
 
diff --git a/rcm-server-main.h b/rcm-server-main.h
index 188ffab..60b2968 100644
--- a/rcm-server-main.h
+++ b/rcm-server-main.h
@@ -6,6 +6,7 @@ struct device {
 	char *path;
 	char *driver_name;
 	char *keymap_name;
+	char *devnode;
 	struct list_head list;
 	struct list_head keymaps;
 };
-- 
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