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-rw-r--r--include/haproxy/shctx.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/include/haproxy/shctx.h b/include/haproxy/shctx.h
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+++ b/include/haproxy/shctx.h
@@ -0,0 +1,80 @@
+/*
+ * include/haproxy/shctx.h - shared context management functions for SSL
+ *
+ * Copyright (C) 2011-2012 EXCELIANCE
+ *
+ * Author: Emeric Brun - emeric@exceliance.fr
+ *
+ * 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef __HAPROXY_SHCTX_H
+#define __HAPROXY_SHCTX_H
+
+#include <haproxy/api.h>
+#include <haproxy/list.h>
+#include <haproxy/shctx-t.h>
+#include <haproxy/thread.h>
+
+int shctx_init(struct shared_context **orig_shctx,
+ int maxblocks, int blocksize, unsigned int maxobjsz,
+ int extra);
+struct shared_block *shctx_row_reserve_hot(struct shared_context *shctx,
+ struct shared_block *last, int data_len);
+void shctx_row_detach(struct shared_context *shctx, struct shared_block *first);
+void shctx_row_reattach(struct shared_context *shctx, struct shared_block *first);
+int shctx_row_data_append(struct shared_context *shctx,
+ struct shared_block *first,
+ unsigned char *data, int len);
+int shctx_row_data_get(struct shared_context *shctx, struct shared_block *first,
+ unsigned char *dst, int offset, int len);
+
+
+/* Lock functions */
+
+static inline void shctx_rdlock(struct shared_context *shctx)
+{
+ HA_RWLOCK_RDLOCK(SHCTX_LOCK, &shctx->lock);
+}
+static inline void shctx_rdunlock(struct shared_context *shctx)
+{
+ HA_RWLOCK_RDUNLOCK(SHCTX_LOCK, &shctx->lock);
+}
+static inline void shctx_wrlock(struct shared_context *shctx)
+{
+ HA_RWLOCK_WRLOCK(SHCTX_LOCK, &shctx->lock);
+}
+static inline void shctx_wrunlock(struct shared_context *shctx)
+{
+ HA_RWLOCK_WRUNLOCK(SHCTX_LOCK, &shctx->lock);
+}
+
+/* List Macros */
+
+/*
+ * Insert <s> block after <head> which is not necessarily the head of a list,
+ * so between <head> and the next element after <head>.
+ */
+static inline void shctx_block_append_hot(struct shared_context *shctx,
+ struct shared_block *first,
+ struct shared_block *s)
+{
+ shctx->nbav--;
+ LIST_DELETE(&s->list);
+ LIST_APPEND(&first->list, &s->list);
+}
+
+static inline struct shared_block *shctx_block_detach(struct shared_context *shctx,
+ struct shared_block *s)
+{
+ shctx->nbav--;
+ LIST_DELETE(&s->list);
+ LIST_INIT(&s->list);
+ return s;
+}
+
+#endif /* __HAPROXY_SHCTX_H */
+