1 files changed, 82 insertions, 0 deletions
diff --git a/usr.sbin/smtpd/stat_backend.c b/usr.sbin/smtpd/stat_backend.c
new file mode 100644
index 00000000000..b77ce3abc83
--- /dev/null
+++ b/usr.sbin/smtpd/stat_backend.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2012 Gilles Chehade <gilles@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/queue.h>
+#include <sys/tree.h>
+#include <sys/param.h>
+
+#include <event.h>
+#include <imsg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "log.h"
+#include "smtpd.h"
+
+struct stat_backend	stat_backend_ramstat;
+struct stat_backend	stat_backend_sqlite;
+
+struct stat_backend *
+stat_backend_lookup(const char *name)
+{
+	if (!strcmp(name, "ram"))
+		return &stat_backend_ramstat;
+
+	if (!strcmp(name, "sqlite"))
+		return &stat_backend_sqlite;
+
+	return (NULL);
+}
+
+void
+stat_increment(const char *name)
+{
+	char	key[STAT_KEY_SIZE];
+
+	if (strlcpy(key, name, sizeof key) >= sizeof key)
+		log_warn("stat_increment: truncated key '%s', ignored", name);
+
+	imsg_compose_event(env->sc_ievs[PROC_CONTROL],
+	    IMSG_STAT_INCREMENT, 0, 0, -1, key, sizeof key);
+}
+
+void
+stat_decrement(const char *name)
+{
+	char	key[STAT_KEY_SIZE];
+
+	if (strlcpy(key, name, sizeof key) >= sizeof key)
+		log_warn("stat_increment: truncated key '%s', ignored", name);
+
+	imsg_compose_event(env->sc_ievs[PROC_CONTROL],
+	    IMSG_STAT_DECREMENT, 0, 0, -1, key, sizeof key);
+}
+
+void
+stat_set(const char *name, size_t value)
+{
+	struct stat_kv	kv;
+
+	bzero(&kv, sizeof kv);
+	if (strlcpy(kv.key, name, sizeof kv.key) >= sizeof kv.key)
+		log_warn("stat_increment: truncated key '%s', ignored", name);
+	kv.val = value;
+
+	imsg_compose_event(env->sc_ievs[PROC_CONTROL],
+	    IMSG_STAT_SET, 0, 0, -1, &kv, sizeof kv);
+}