Revert "add source code"

This reverts commit 4b0f20eed87e8b1542f991e06f4868b05f36dd64.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I81a3d178c661bbc4e6fd9b0d6063a12bbfc0817c
Signed-off-by: Junfeng Wang <drenfong.wang@intel.com>

1 files changed, 0 insertions, 330 deletions

diff --git a/src/dpi.h b/src/dpi.h
deleted file mode 100644
index e3d0add..0000000
--- a/src/dpi.h
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2018 Intel, Travelping and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * 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 included_vnet_dpi_h
-#define included_vnet_dpi_h
-
-#include <vppinfra/lock.h>
-#include <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/udp/udp.h>
-#include <vnet/dpo/dpo.h>
-#include <vppinfra/bihash_8_8.h>
-#include <vppinfra/bihash_24_8.h>
-#include <vppinfra/bihash_48_8.h>
-
-#include <hs/hs.h>
-#include <hs/hs_common.h>
-#include <hs/hs_compile.h>
-#include <hs/hs_runtime.h>
-#include "dpi_app_match.h"
-
-typedef u8 *regex_t;
-
-typedef struct
-{
-  u8 *name;
-  regex_t *expressions;
-  u32 *flags;
-  u32 *ids;
-  hs_database_t *database;
-  hs_scratch_t *scratch;
-  u32 ref_cnt;
-} dpi_entry_t;
-
-typedef struct
-{
-  int res;
-  u32 id;
-} dpi_cb_args_t;
-
-typedef struct
-{
-  union
-  {
-    struct
-    {
-      ip46_address_t src_ip;
-      ip46_address_t dst_ip;
-      u16 src_port;
-      u16 dst_port;
-      u8 protocol;
-      u32 fib_index;
-    };
-    u64 key[6];
-  };
-} dpi_flow_key_t;
-
-typedef clib_bihash_kv_24_8_t dpi4_flow_key_t;
-typedef clib_bihash_kv_48_8_t dpi6_flow_key_t;
-
-typedef struct
-{
-  /* SSL */
-  u8 ssl_stage;
-  u8 ssl_got_server_cert;
-} dpi_flow_tcp_t;
-
-typedef struct
-{
-  /* TBD */
-} dpi_flow_udp_t;
-
-typedef struct segment_
-{
-  u32 send_sn;
-  u8 *data;
-  u32 len;
-  u32 bi;			/* vlib buffer index */
-  struct segment_ *next;
-} segment;
-
-typedef struct tcp_stream_
-{
-  u32 send_sn;			/* expected segment sn */
-  u32 ack_sn;			/* acked segment sn */
-  segment *seg_queue;		/* store out-of-order segments */
-} tcp_stream_t;
-
-typedef struct dpi_flow_info
-{
-  /* Required for pool_get_aligned  */
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-
-  u16 detected_protocol[2];
-  u16 protocol_stack_info;
-  u16 pkt_num;
-  u16 pkt_direct_counter[2];
-
-  hs_stream_t *stream;
-  u8 detect_begin;
-  u8 detect_done;
-  u32 app_id;			/* L7 APP ID */
-
-  u16 guessed_protocol_id;
-  u16 guessed_host_protocol_id;
-
-  u8 max_more_pkts_to_check;
-
-  int (*more_pkts_func) (u8 * payload, u32 payload_len,
-			 struct dpi_flow_info * flow);
-
-  u16 dst_port;
-  u8 l4_protocol;
-  union
-  {
-    dpi_flow_tcp_t tcp;
-    dpi_flow_udp_t udp;
-  } l4;
-
-  u8 ssl_cert_detected:4;
-  u8 ssl_cert_num_checks:4;
-
-  union
-  {
-    struct
-    {
-      char server_cert[64];
-    } ssl;
-    /* TBD: Add more protocols */
-  } protos;
-} dpi_flow_info_t;
-
-typedef enum
-{
-  TCP_STATE_SYN = 1,
-  TCP_STATE_SYN_ACK = 2,
-  TCP_STATE_ACK = 3,
-  TCP_STATE_ESTABLISH = 4,
-  TCP_STATE_FIN1 = 5,
-  TCP_STATE_CLOSE = 6,
-} tcp_state_t;
-
-/* tcp packet direction */
-#define DIR_C2S 0
-#define DIR_S2C 1
-
-/* tcp reassembly side */
-#define REASS_C2S 0
-#define REASS_S2C 1
-#define REASS_BOTH 2
-
-/* Macros to handle sequence numbers */
-#define SN_LT(a,b)  ((int)((a) - (b)) <  0)
-#define SN_GT(a,b)  ((int)((a) - (b)) >  0)
-#define SN_EQ(a,b)  ((int)((a) - (b)) == 0)
-
-typedef struct
-{
-  /* Required for pool_get_aligned  */
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-
-  u32 flow_index;		/* infra flow index */
-  u32 next_index;
-
-  u8 check_more_pkts:1;
-  u8 pkt_dir:1;
-  u8 forward_is_c2s:1;
-  u8 consumed:1;
-  u8 reass_en:1;
-  u8 reass_dir:2;
-
-  dpi_flow_key_t key;
-  dpi_flow_info_t *info;
-
-  /* TCP stream reassembly */
-  tcp_state_t tcp_state;
-  tcp_stream_t c2s;
-  tcp_stream_t s2c;
-  segment *first_seg;
-
-} dpi_flow_entry_t;
-
-typedef struct
-{
-  u32 flow_id;
-  u8 reass_en;
-  u8 reass_dir;
-} tcp_reass_args_t;
-
-typedef struct
-{
-  u8 is_add;
-  u8 is_ipv6;
-  ip46_address_t src_ip;
-  ip46_address_t dst_ip;
-  u16 src_port;
-  u16 dst_port;
-  u8 protocol;
-  u32 fib_index;
-} dpi_add_del_flow_args_t;
-
-typedef struct
-{
-  u32 app_id;
-  u32 db_id;
-} dpi_adr_t;
-
-typedef struct
-{
-  /* lookup tunnel by key */
-  clib_bihash_24_8_t dpi4_flow_by_key;
-  clib_bihash_48_8_t dpi6_flow_by_key;
-
-  /* vector of dpi flow instances */
-  dpi_flow_entry_t *dpi_flows;
-  u32 flow_id_start;
-  dpi_flow_info_t *dpi_infos;
-  segment *seg_pool;
-
-  /* Default hyperscan database */
-  dpi_entry_t default_db;
-
-  /* graph node state */
-  uword *bm_ip4_bypass_enabled_by_sw_if;
-  uword *bm_ip6_bypass_enabled_by_sw_if;
-
-  /* API message ID base */
-  u16 msg_id_base;
-
-  /* convenience */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-} dpi_main_t;
-
-extern dpi_main_t dpi_main;
-
-#define foreach_copy_field              \
-_(src_ip)                               \
-_(dst_ip)                               \
-_(src_port)                             \
-_(dst_port)                             \
-_(protocol)                             \
-_(fib_index)
-
-
-#define dpi_enqueue_tcp_segments(seg,vm,node,next_index,to_next,n_left_to_next,bi0,next0) \
-while(seg)        \
-  {               \
-    bi0 = seg->bi;  \
-    to_next[0] = bi0; \
-    to_next++;        \
-    n_left_to_next--; \
-    next0 = flow0->next_index;         \
-    vlib_validate_buffer_enqueue_x1 (vm, node, next_index,  \
-                     to_next, n_left_to_next,   \
-                     bi0, next0);   \
-    prev_seg = seg;  \
-    seg=seg->next;   \
-    pool_put(dm->seg_pool, prev_seg);  \
-  }
-
-
-#define get_u16_t(X,O)  (*(u16 *)(((u8 *)X) + O))
-#define DPI_MAX_SSL_REQUEST_SIZE 10000
-
-int dpi_flow_add_del (dpi_add_del_flow_args_t * a, u32 * flow_idp);
-int dpi_reverse_flow_add_del (dpi_add_del_flow_args_t * a, u32 flow_id);
-int dpi_add_del_rx_flow (u32 hw_if_index, u32 flow_id, int is_add,
-			 u32 is_ipv6);
-int dpi_tcp_reass (tcp_reass_args_t * a);
-void dpi_flow_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable);
-int dpi_search_host_protocol (dpi_flow_info_t * flow,
-			      char *str_to_match,
-			      u32 str_to_match_len,
-			      u16 master_protocol_id, u32 * host_protocol_id);
-void dpi_search_tcp_ssl (u8 * payload, u32 payload_len,
-			 dpi_flow_info_t * flow);
-
-void dpi_detect_application (u8 * payload, u32 payload_len,
-			     dpi_flow_info_t * flow);
-
-typedef enum
-{
-  DPI_PROTOCOL_UNKNOWN = 0,
-  DPI_PROTOCOL_SSL = 1,
-  DPI_PROTOCOL_SSL_NO_CERT = 2,
-  DPI_N_PROTOCOL
-} dpi_protocol_id_t;
-
-#define foreach_dpi_input_next        \
-_(DROP, "error-drop")                 \
-_(IP4_LOOKUP, "ip4-lookup")
-
-typedef enum
-{
-#define _(s,n) DPI_INPUT_NEXT_##s,
-  foreach_dpi_input_next
-#undef _
-    DPI_INPUT_N_NEXT,
-} dpi_input_next_t;
-
-#endif /* included_vnet_dpi_h */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */