1 files changed, 93 insertions, 0 deletions
diff --git a/save_statuses.c b/save_statuses.c
new file mode 100644
index 0000000..d1178a4
--- /dev/null
+++ b/save_statuses.c
@@ -0,0 +1,93 @@
+/*
+
+(C) 2013 Mika Ilmaranta <ilmis@nullnet.fi>
+
+License: GPLv2
+
+*/
+
+#include <stdlib.h>
+#include <syslog.h>
+#include <string.h>
+
+#include "config.h"
+#include "lsm.h"
+#include "save_statuses.h"
+
+typedef struct status_data {
+	char *name;
+	STATUS status;
+	struct status_data *next;
+} STATUS_DATA;
+
+static STATUS_DATA *first_status = NULL;
+static STATUS_DATA *last_status = NULL;
+static STATUS_DATA *cur_status = NULL;
+
+void save_statuses(CONFIG *first)
+{
+	CONFIG *cur;
+
+	if(first_status != NULL) {
+		syslog(LOG_ERR, "%s: %s: statuses already saved?", __FILE__, __FUNCTION__);
+		return;
+	}
+
+	/* store connection statuses temporarily */
+	for(cur = first; cur; cur = cur->next) {
+		if((cur_status = malloc(sizeof(STATUS_DATA))) == NULL) {
+			syslog(LOG_ERR, "%s: %s: couldn't malloc for status_data", __FILE__, __FUNCTION__);
+			exit(1);
+		}
+		cur_status->name = strdup(cur->name);
+		cur_status->status = ((TARGET *)cur->data)->status;
+
+		if(last_status) {
+			last_status->next = cur_status;
+			last_status = cur_status;
+			cur_status->next = NULL;
+		} else {
+			first_status = cur_status;
+			last_status = cur_status;
+			cur_status->next = NULL;
+		}
+	}
+}
+
+void restore_statuses(CONFIG *first)
+{
+	CONFIG *cur;
+
+	if(first_status == NULL) {
+		syslog(LOG_ERR, "%s: %s: can't restore statuses, none saved?", __FILE__, __FUNCTION__);
+		return;
+	}
+
+	/* restore connection statuses */
+	for(cur_status = first_status; cur_status; cur_status = cur_status->next) {
+		for(cur = first; cur; cur = cur->next) {
+			if(strcmp(cur_status->name, cur->name) == 0) {
+				((TARGET *)cur->data)->status = cur_status->status;
+			}
+		}
+	}
+
+	/* get rid of temporary statuses */
+	cur_status = first_status;
+	while(cur_status) {
+		STATUS_DATA *tmp;
+
+		tmp = cur_status->next;
+
+		free(cur_status->name);
+		free(cur_status);
+
+		cur_status = tmp;
+	}
+
+	first_status = NULL;
+	last_status = NULL;
+	cur_status = NULL;
+}
+
+/* EOF */