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-rw-r--r--xlators/performance/decompounder/src/decompounder.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/xlators/performance/decompounder/src/decompounder.h b/xlators/performance/decompounder/src/decompounder.h
new file mode 100644
index 0000000..1b8c1d6
--- /dev/null
+++ b/xlators/performance/decompounder/src/decompounder.h
@@ -0,0 +1,74 @@
+/*
+ Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef __DC_H__
+#define __DC_H__
+
+#include "defaults.h"
+#include "xlator.h"
+#include "call-stub.h"
+#include "decompounder-mem-types.h"
+#include "decompounder-messages.h"
+
+typedef struct {
+ compound_args_t *compound_req;
+ compound_args_cbk_t *compound_rsp;
+ int counter;
+ int length;
+} dc_local_t;
+
+#define DC_STACK_UNWIND(frame, op_ret, op_errno, rsp, xdata) do {\
+ dc_local_t *__local = NULL; \
+ if (frame) { \
+ __local = frame->local; \
+ frame->local = NULL; \
+ } \
+ STACK_UNWIND_STRICT (compound, frame, op_ret, op_errno, \
+ (void *)rsp, xdata); \
+ if (__local) { \
+ dc_local_cleanup (__local); \
+ mem_put (__local); \
+ } \
+ } while (0)
+
+int32_t
+dc_compound_fop_wind (call_frame_t *frame, xlator_t *this);
+
+void
+dc_local_cleanup (dc_local_t *local);
+
+#define DC_FOP_RESPONSE_STORE_AND_WIND_NEXT(fop, frame, op_ret, op_errno, params ...) do { \
+ dc_local_t *__local = frame->local; \
+ xlator_t *__this = frame->this; \
+ int __ret = 0; \
+ int __counter = __local->counter; \
+ compound_args_cbk_t *__compound_rsp = __local->compound_rsp; \
+ default_args_cbk_t *__fop_rsp = &__local->compound_rsp->rsp_list[__counter]; \
+ \
+ if (op_ret < 0) { \
+ gf_msg (__this->name, GF_LOG_ERROR, op_errno, DC_MSG_ERROR_RECEIVED, \
+ "fop number %d failed. Unwinding.", __counter+1); \
+ args_##fop##_cbk_store (__fop_rsp, \
+ op_ret, op_errno, params); \
+ /*TODO : Fill the rest of the responses to -1 or NULL*/ \
+ DC_STACK_UNWIND (frame, op_ret, op_errno, \
+ (void *)__compound_rsp, NULL); \
+ } else { \
+ args_##fop##_cbk_store (__fop_rsp, \
+ op_ret, op_errno, params); \
+ __local->counter++; \
+ __ret = dc_compound_fop_wind (frame, __this); \
+ if (__ret < 0) { \
+ DC_STACK_UNWIND (frame, -1, -__ret, \
+ (void *)__compound_rsp, NULL); \
+ } \
+ } \
+ } while (0)
+#endif /* DC_H__ */