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+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SRC_VCL_VCL_DEBUG_H_
+#define SRC_VCL_VCL_DEBUG_H_
+
+#include <vppinfra/elog.h>
+
+#define VCL_ELOG 0
+
+#define VDBG(_lvl, _fmt, _args...) \
+ if (vcm->debug > _lvl) \
+ clib_warning (_fmt, ##_args)
+
+#define foreach_vcl_dbg_evt \
+ _(INIT, "vcl init track") \
+ _(TIMEOUT, "vcl timeout") \
+ _(DETACH, "vcl detach") \
+ _(SESSION_INIT, "init session track") \
+ _(SESSION_TIMEOUT, "session timeout") \
+ _(CREATE, "session create") \
+ _(CLOSE, "session close") \
+ _(BIND, "session bind") \
+ _(UNBIND, "session unbind") \
+ _(ACCEPT, "session accept") \
+ _(EPOLL_CREATE, "epoll session create") \
+ _(EPOLL_CTLADD, "epoll ctl add") \
+ _(EPOLL_CTLDEL, "epoll ctl del") \
+
+typedef enum vcl_dbg_evt_
+{
+#define _(sym, str) VCL_EVT_##sym,
+ foreach_vcl_dbg_evt
+#undef _
+} vcl_dbg_evt_e;
+
+#if VCL_ELOG
+
+#define VCL_DECLARE_ETD(_s, _e, _size) \
+ struct { u32 data[_size]; } * ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track) \
+
+#define VCL_EVT_INIT_HANDLER(_vcm, ...) \
+{ \
+ _vcm->elog_track.name = (char *) format (0, "P:%d:C:%d%c", getpid (), \
+ _vcm->my_client_index, 0); \
+ elog_track_register (&_vcm->elog_main, &_vcm->elog_track); \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "connect_vpp:rv:%d", \
+ .format_args = "i4", \
+ }; \
+ struct { u32 data; } *ed; \
+ ed = ELOG_TRACK_DATA (&_vcm->elog_main, e, _vcm->elog_track); \
+ ed->data = (u32) rv; \
+}
+
+#define VCL_EVT_SESSION_INIT_HANDLER(_s, _s_index, ...) \
+{ \
+ _s->elog_track.name = (char *) format (0, "CI:%d:S:%d%c", \
+ vcm->my_client_index, \
+ _s_index, 0); \
+ elog_track_register (&vcm->elog_main, &_s->elog_track); \
+}
+
+#define VCL_EVT_BIND_HANDLER(_s, ...) \
+{ \
+ if (_s->lcl_addr.is_ip4) \
+ { \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "bind local:%s:%d.%d.%d.%d:%d ", \
+ .format_args = "t1i1i1i1i1i2", \
+ .n_enum_strings = 2, \
+ .enum_strings = {"TCP", "UDP",}, \
+ }; \
+ CLIB_PACKED (struct { \
+ u8 proto; \
+ u8 addr[4]; \
+ u16 port; \
+ }) *ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track); \
+ ed->proto = _s->proto; \
+ ed->addr[0] = _s->lcl_addr.ip46.ip4.as_u8[0]; \
+ ed->addr[1] = _s->lcl_addr.ip46.ip4.as_u8[1]; \
+ ed->addr[2] = _s->lcl_addr.ip46.ip4.as_u8[2]; \
+ ed->addr[3] = _s->lcl_addr.ip46.ip4.as_u8[3]; \
+ ed->port = clib_net_to_host_u16 (_s->lcl_port); \
+ } \
+ else \
+ { \
+ /* TBD */ \
+ } \
+}
+
+#define VCL_EVT_ACCEPT_HANDLER(_s, _ls, _s_idx, ...) \
+{ \
+ VCL_EVT_SESSION_INIT_HANDLER (_s, _s_idx); \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "accept: listen_handle:%x from_handle:%x", \
+ .format_args = "i8i8", \
+ }; \
+ struct { u64 handle[2]; } *ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track); \
+ ed->handle[0] = _ls->vpp_handle; \
+ ed->handle[1] = _s->vpp_handle; \
+ if (_s->peer_addr.is_ip4) \
+ { \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "accept:S:%x addr:%d.%d.%d.%d:%d", \
+ .format_args = "i8i1i1i1i1i2", \
+ }; \
+ CLIB_PACKED (struct { \
+ u32 s_idx; \
+ u8 addr[4]; \
+ u16 port; \
+ }) * ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track); \
+ ed->s_idx = _s_idx; \
+ ed->addr[0] = _s->peer_addr.ip46.ip4.as_u8[0]; \
+ ed->addr[1] = _s->peer_addr.ip46.ip4.as_u8[1]; \
+ ed->addr[2] = _s->peer_addr.ip46.ip4.as_u8[2]; \
+ ed->addr[3] = _s->peer_addr.ip46.ip4.as_u8[3]; \
+ ed->port = clib_net_to_host_u16 (_s->peer_port); \
+ } \
+ else \
+ { \
+ /* TBD */ \
+ } \
+}
+
+#define VCL_EVT_CREATE_HANDLER(_s, _proto, _state, _is_nb, _s_idx, ...) \
+{ \
+ VCL_EVT_SESSION_INIT_HANDLER (_s, _s_idx); \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "create:proto:%d state:%d is_nonblk:%d idx: %d", \
+ .format_args = "i4i4i4i4", \
+ }; \
+ VCL_DECLARE_ETD (_s, _e, 4); \
+ ed->data[0] = _proto; \
+ ed->data[1] = _state; \
+ ed->data[2] = _is_nb; \
+ ed->data[3] = _s_idx; \
+}
+
+#define VCL_EVT_CLOSE_HANDLER(_s, _rv, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "session_close:rv:%d", \
+ .format_args = "i4", \
+ }; \
+ VCL_DECLARE_ETD (_s, _e, 1); \
+ ed->data[0] = _rv; \
+}
+
+#define VCL_EVT_SESSION_TIMEOUT_HANDLER(_s, _state, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "ERR: timeout state:%d", \
+ .format_args = "i4", \
+ }; \
+ VCL_DECLARE_ETD (_s, _e, 1); \
+ ed->data[0] = _state; \
+}
+
+#define VCL_EVT_TIMEOUT_HANDLER(_vcm, _state, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "ERR: timeout state:%d", \
+ .format_args = "i4", \
+ }; \
+ struct { u32 data; } * ed; \
+ ed = ELOG_TRACK_DATA (&_vcm->elog_main, _e, _vcm->elog_track); \
+ ed->data[0] = _state; \
+}
+
+#define VCL_EVT_DETACH_HANDLER(_vcm, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "app_detach:C:%d", \
+ .format_args = "i4", \
+ }; \
+ struct { u32 data; } * ed; \
+ ed = ELOG_TRACK_DATA (&_vcm->elog_main, _e, _vcm->elog_track); \
+ ed->data = _vcm->my_client_index; \
+}
+
+#define VCL_EVT_UNBIND_HANDLER(_s, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "unbind: handle:%x", \
+ .format_args = "i8", \
+ }; \
+ struct { u64 data; } * ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track); \
+ ed->data = _s->vpp_handle; \
+}
+
+#define VCL_EVT_EPOLL_CREATE_HANDLER(_s, _s_idx, ...) \
+{ \
+ VCL_EVT_SESSION_INIT_HANDLER (_s, _s_idx); \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "create epoll vep_idx: %d", \
+ .format_args = "i4", \
+ }; \
+ VCL_DECLARE_ETD (_s, _e, 1); \
+ ed->data[0] = _s_idx; \
+}
+
+#define VCL_EVT_EPOLL_CTLADD_HANDLER(_s, _evts, _evt_data, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "epoll_ctladd: events:%x data:%x", \
+ .format_args = "i4", \
+ }; \
+ struct { \
+ u32 events; \
+ u64 event_data; \
+ } * ed; \
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, _e, _s->elog_track); \
+ ed->events = _evts; \
+ ed->event_data = _evt_data; \
+}
+
+#define VCL_EVT_EPOLL_CTLDEL_HANDLER(_s, _vep_idx, ...) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "epoll_ctldel: vep:%d", \
+ .format_args = "i4", \
+ }; \
+ VCL_DECLARE_ETD (_s, _e, 1); \
+ ed->data[0] = _vep_idx; \
+}
+
+#define vcl_elog_init(_vcm) \
+{ \
+ _vcm->elog_main.lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, \
+ CLIB_CACHE_LINE_BYTES);\
+ _vcm->elog_main.lock[0] = 0; \
+ _vcm->elog_main.event_ring_size = _vcm->cfg.event_ring_size; \
+ elog_init (&_vcm->elog_main, _vcm->elog_main.event_ring_size); \
+ elog_enable_disable (&_vcm->elog_main, 1); \
+}
+
+#define vcl_elog_stop(_vcm) \
+{ \
+ clib_error_t *error = 0; \
+ char *chroot_file = (char *) format (0, "%s/%d-%d-vcl-elog%c", \
+ _vcm->cfg.event_log_path, \
+ _vcm->my_client_index, \
+ getpid (), 0); \
+ error = elog_write_file (&_vcm->elog_main, chroot_file, \
+ 1 /* flush ring */ ); \
+ if (error) \
+ clib_error_report (error); \
+ clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file); \
+ vec_free (chroot_file); \
+}
+
+#define CONCAT_HELPER(_a, _b) _a##_b
+#define CC(_a, _b) CONCAT_HELPER(_a, _b)
+#define vcl_evt(_evt, _args...) CC(_evt, _HANDLER)(_args)
+#else
+#define vcl_evt(_evt, _args...)
+#define vcl_elog_init(_vcm)
+#define vcl_elog_stop(_vcm)
+#endif
+
+#endif /* SRC_VCL_VCL_DEBUG_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */