move code to its own files

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

1 files changed, 141 insertions, 0 deletions

diff --git a/udev_event.c b/udev_event.c
new file mode 100644
index 0000000000..8a3ed29315
--- /dev/null
+++ b/udev_event.c
@@ -0,0 +1,141 @@
+/*
+ * udev_event.c - udev event process
+ *
+ * Copyright (C) 2004, 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This program is free software; you can redistribute it and/or modify it
+ *	under the terms of the GNU General Public License as published by the
+ *	Free Software Foundation version 2 of the License.
+ * 
+ *	This program is distributed in the hope that it will be useful, but
+ *	WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *	General Public License for more details.
+ * 
+ *	You should have received a copy of the GNU General Public License along
+ *	with this program; if not, write to the Free Software Foundation, Inc.,
+ *	675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <ctype.h>
+#include <dirent.h>
+#include <syslog.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/utsname.h>
+
+#include "udev_libc_wrapper.h"
+#include "udev.h"
+#include "logging.h"
+#include "udev_rules.h"
+#include "udev_utils.h"
+#include "udev_sysfs.h"
+#include "list.h"
+
+
+int udev_process_event(struct udev_rules *rules, struct udevice *udev)
+{
+	int retval;
+	char path[PATH_SIZE];
+	const char *error;
+
+	if (udev->type == DEV_BLOCK || udev->type == DEV_CLASS || udev->type == DEV_NET) {
+		/* handle device node */
+		if (strcmp(udev->action, "add") == 0) {
+			struct sysfs_class_device *class_dev;
+
+			/* wait for sysfs of /sys/class /sys/block */
+			dbg("node add");
+			snprintf(path, sizeof(path), "%s%s", sysfs_path, udev->devpath);
+			path[sizeof(path)-1] = '\0';
+			class_dev = wait_class_device_open(path);
+			if (class_dev == NULL) {
+				dbg("open class device failed");
+				return 0;
+			}
+			dbg("opened class_dev->name='%s'", class_dev->name);
+			wait_for_class_device(class_dev, &error);
+
+			/* get major/minor */
+			if (udev->type == DEV_BLOCK || udev->type == DEV_CLASS)
+				udev->devt = get_devt(class_dev);
+
+			if (udev->type == DEV_NET || udev->devt) {
+				/* name device */
+				udev_rules_get_name(rules, udev, class_dev);
+				if (udev->ignore_device) {
+					info("device event will be ignored");
+					sysfs_close_class_device(class_dev);
+					return -1;
+				}
+				if (udev->name[0] == '\0') {
+					info("device node creation supressed");
+					sysfs_close_class_device(class_dev);
+					return -1;
+				}
+				/* create node, store in db */
+				retval = udev_add_device(udev, class_dev);
+			} else {
+				dbg("no dev-file found");
+				udev_rules_get_run(rules, udev, class_dev, NULL);
+				if (udev->ignore_device) {
+					info("device event will be ignored");
+					sysfs_close_class_device(class_dev);
+					return -1;
+				}
+			}
+			sysfs_close_class_device(class_dev);
+		} else if (strcmp(udev->action, "remove") == 0) {
+			dbg("node remove");
+			udev_rules_get_run(rules, udev, NULL, NULL);
+			if (udev->ignore_device) {
+				dbg("device event will be ignored");
+				return -1;
+			}
+
+			/* get name from db, remove db-entry, delete node */
+			retval = udev_remove_device(udev);
+		}
+
+		/* export name of device node or netif */
+		if (udev->devname[0] != '\0')
+			setenv("DEVNAME", udev->devname, 1);
+	} else if (udev->type == DEV_DEVICE && strcmp(udev->action, "add") == 0) {
+		struct sysfs_device *devices_dev;
+
+		/* wait for sysfs of /sys/devices/ */
+		dbg("devices add");
+		snprintf(path, sizeof(path), "%s%s", sysfs_path, udev->devpath);
+		path[sizeof(path)-1] = '\0';
+		devices_dev = wait_devices_device_open(path);
+		if (!devices_dev) {
+			dbg("devices device unavailable (probably remove has beaten us)");
+			return 0;
+		}
+		dbg("devices device opened '%s'", path);
+		wait_for_devices_device(devices_dev, &error);
+		udev_rules_get_run(rules, udev, NULL, devices_dev);
+		sysfs_close_device(devices_dev);
+		if (udev->ignore_device) {
+			info("device event will be ignored");
+			return -1;
+		}
+	} else {
+		dbg("default handling");
+		udev_rules_get_run(rules, udev, NULL, NULL);
+		if (udev->ignore_device) {
+			info("device event will be ignored");
+			return -1;
+		}
+	}
+	return 0;
+}