4 /* ------------------------------------------------
5 Copyright 2014 AT&T Intellectual Property
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17 ------------------------------------------- */
24 #define IS_BIG_ENDIAN (*(uint16_t *)"\0\xff" < 0x100)
26 // struct string32 matches vstring32, its the packed record format.
27 // struct gs_string is the in-memory format.
36 /* struct gs_string has to match definition in host.h however, the data
49 /* Basic string operation */
51 gs_retval_t str_assign_with_copy(struct FTA *, struct gs_string * dest, struct gs_string * src);
53 gs_retval_t str_assign_with_copy_in_tuple(struct string32 * dest, struct gs_string * src,
54 gs_sp_t start, gs_sp_t buf);
56 #define str_destroy(s) {if ((s)->owner!=0) fta_free((s)->owner,(s)->data);}
58 gs_retval_t str_replace(struct FTA *, struct gs_string * dest, struct gs_string * src );
60 #define str_length(s) (s)->length
62 /* Searching within a string */
64 gs_retval_t str_exists_substr( struct gs_string * str1, struct gs_string * str2);
66 /* String comparison */
68 gs_retval_t str_compare( struct gs_string * str1, struct gs_string * str2);
71 /* Construct a string constant */
73 gs_retval_t str_constructor(struct gs_string *s, gs_sp_t l);
76 /* External Function definitions */
78 #define LLMIN(x,y) ((x)<(y)?(x):(y))
79 #define LLMAX(x,y) ((x)<(y)?(y):(x))
80 #define UMIN(x,y) ((x)<(y)?(x):(y))
81 #define UMAX(x,y) ((x)<(y)?(y):(x))
83 #define INT(c) ((int)(c))
84 #define UINT(c) ((unsigned int)(c))
85 #define ULLONG(c) ((unsigned long long)(c))
86 #define FLOAT(c) ((double)(c))
87 #define EQ(x,y) ((x)==(y))
88 #define GEQ(x,y) ((x)>=(y))
89 #define LEQ(x,y) ((x)<=(y))
91 // Cast away temporality
92 #define non_temporal(x)(x)
96 gs_uint32_t str_match_offset( gs_uint32_t offset, struct gs_string * s1, struct gs_string * s2);
97 gs_uint32_t byte_match_offset( gs_uint32_t offset, gs_uint32_t val, struct gs_string * s2);
98 gs_param_handle_t register_handle_for_str_regex_match_slot_1(struct FTA * f,
99 struct gs_string* pattern);
100 gs_uint32_t str_regex_match(struct gs_string* str, gs_param_handle_t pattern_handle);
101 gs_retval_t deregister_handle_for_str_regex_match_slot_1(gs_param_handle_t handle);
103 gs_param_handle_t register_handle_for_str_partial_regex_match_slot_1(struct FTA * f,
104 struct gs_string* pattern);
105 gs_uint32_t str_partial_regex_match(struct gs_string* str,
106 gs_param_handle_t pattern_handle,
108 gs_retval_t deregister_handle_for_str_partial_regex_match_slot_1(
112 inline static gs_retval_t str_truncate(struct gs_string * result, struct gs_string *str, gs_uint32_t length) {
113 result->data=str->data;
114 result->length=(str->length<length)?str->length:length;
118 // constant string conversions
119 gs_param_handle_t register_handle_for_strtoi_c_slot_0(struct FTA * f, struct gs_string* istr) ;
120 gs_retval_t deregister_handle_for_strtoi_c_slot_0(gs_param_handle_t h) ;
121 #define strtoi_c(h) ((unsigned int)(h))
123 gs_param_handle_t register_handle_for_strtoip_c_slot_0(struct FTA * f, struct gs_string* istr) ;
124 gs_retval_t deregister_handle_for_strtoip_c_slot_0(gs_param_handle_t h) ;
125 #define strtoip_c(h) ((unsigned int)(h))
129 ////////////////////////////////////////////////
139 gs_int32_t ipv6_compare( struct ipv6_str i1, struct ipv6_str i2);
140 gs_int32_t Ipv6_Constructor(struct ipv6_str *s, char *l);
141 struct ipv6_str And_Ipv6(const struct ipv6_str i1, const struct ipv6_str i2);
142 struct ipv6_str Or_Ipv6(const struct ipv6_str i1, const struct ipv6_str i2);
143 struct ipv6_str hton_ipv6(struct ipv6_str s);
144 struct ipv6_str ntoh_ipv6(struct ipv6_str s);
147 ////////////////////////////////////////////////
148 /// Regex pattern extraction based on signature library for VideoNOC
149 gs_param_handle_t register_handle_for_signaturelib_get_content_id_slot_2(struct FTA * f, struct gs_string* signature_file);
150 gs_uint32_t signaturelib_get_content_id(struct gs_string* result, struct gs_string* url, gs_uint32_t content_length, gs_param_handle_t handle);
151 gs_retval_t deregister_handle_for_signaturelib_get_content_id_slot_2(gs_param_handle_t handle);
153 gs_uint32_t signaturelib_get_fqdn(struct gs_string* result);
154 gs_uint32_t signaturelib_get_channel_type(struct gs_string* result);