1 files changed, 72 insertions, 0 deletions
diff --git a/include/haproxy/vars.h b/include/haproxy/vars.h
new file mode 100644
index 0000000..ebd1f15
--- /dev/null
+++ b/include/haproxy/vars.h
@@ -0,0 +1,72 @@
+/*
+ * include/haproxy/vars.h
+ * Prototypes for variables.
+ *
+ * Copyright (C) 2015 Thierry FOURNIER <tfournier@arpalert.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _HAPROXY_VARS_H
+#define _HAPROXY_VARS_H
+
+#include <haproxy/api-t.h>
+#include <haproxy/session-t.h>
+#include <haproxy/stream-t.h>
+#include <haproxy/vars-t.h>
+
+extern struct vars proc_vars;
+
+void vars_init_head(struct vars *vars, enum vars_scope scope);
+void var_accounting_diff(struct vars *vars, struct session *sess, struct stream *strm, int size);
+unsigned int var_clear(struct var *var, int force);
+void vars_prune(struct vars *vars, struct session *sess, struct stream *strm);
+void vars_prune_per_sess(struct vars *vars);
+int vars_get_by_name(const char *name, size_t len, struct sample *smp, const struct buffer *def);
+int vars_set_by_name_ifexist(const char *name, size_t len, struct sample *smp);
+int vars_set_by_name(const char *name, size_t len, struct sample *smp);
+int vars_unset_by_name_ifexist(const char *name, size_t len, struct sample *smp);
+int vars_get_by_desc(const struct var_desc *var_desc, struct sample *smp, const struct buffer *def);
+int vars_check_arg(struct arg *arg, char **err);
+
+/* locks the <vars> for writes if it's in a shared scope */
+static inline void vars_wrlock(struct vars *vars)
+{
+	if (vars->scope == SCOPE_PROC)
+		HA_RWLOCK_WRLOCK(VARS_LOCK, &vars->rwlock);
+}
+
+/* unlocks the <vars> for writes if it's in a shared scope */
+static inline void vars_wrunlock(struct vars *vars)
+{
+	if (vars->scope == SCOPE_PROC)
+		HA_RWLOCK_WRUNLOCK(VARS_LOCK, &vars->rwlock);
+}
+
+/* locks the <vars> for reads if it's in a shared scope */
+static inline void vars_rdlock(struct vars *vars)
+{
+	if (vars->scope == SCOPE_PROC)
+		HA_RWLOCK_RDLOCK(VARS_LOCK, &vars->rwlock);
+}
+
+/* unlocks the <vars> for reads if it's in a shared scope */
+static inline void vars_rdunlock(struct vars *vars)
+{
+	if (vars->scope == SCOPE_PROC)
+		HA_RWLOCK_RDUNLOCK(VARS_LOCK, &vars->rwlock);
+}
+
+#endif