| Thierry FOURNIER | 4aec0a4 | 2018-02-23 11:42:57 +0100 | [diff] [blame^] | 1 | /* Main SPOA server includes |
| 2 | * |
| 3 | * Copyright 2016 HAProxy Technologies, Christopher Faulet <cfaulet@haproxy.com> |
| 4 | * Copyright 2018 OZON / Thierry Fournier <thierry.fournier@ozon.io> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | */ |
| 11 | #ifndef __SPOA_H__ |
| 12 | #define __SPOA_H__ |
| 13 | |
| 14 | #include <stdbool.h> |
| 15 | #include <stdint.h> |
| 16 | #include <netinet/in.h> |
| 17 | |
| 18 | #define MAX_FRAME_SIZE 16384 |
| 19 | #define SPOP_VERSION "1.0" |
| 20 | #define SPOA_CAPABILITIES "" |
| 21 | |
| 22 | /* All supported data types */ |
| 23 | enum spoe_data_type { |
| 24 | SPOE_DATA_T_NULL = 0, |
| 25 | SPOE_DATA_T_BOOL, |
| 26 | SPOE_DATA_T_INT32, |
| 27 | SPOE_DATA_T_UINT32, |
| 28 | SPOE_DATA_T_INT64, |
| 29 | SPOE_DATA_T_UINT64, |
| 30 | SPOE_DATA_T_IPV4, |
| 31 | SPOE_DATA_T_IPV6, |
| 32 | SPOE_DATA_T_STR, |
| 33 | SPOE_DATA_T_BIN, |
| 34 | SPOE_DATA_TYPES |
| 35 | }; |
| 36 | |
| 37 | /* Scopes used for variables set by agents. It is a way to be agnotic to vars |
| 38 | * scope. */ |
| 39 | enum spoe_vars_scope { |
| 40 | SPOE_SCOPE_PROC = 0, /* <=> SCOPE_PROC */ |
| 41 | SPOE_SCOPE_SESS, /* <=> SCOPE_SESS */ |
| 42 | SPOE_SCOPE_TXN, /* <=> SCOPE_TXN */ |
| 43 | SPOE_SCOPE_REQ, /* <=> SCOPE_REQ */ |
| 44 | SPOE_SCOPE_RES, /* <=> SCOPE_RES */ |
| 45 | }; |
| 46 | |
| 47 | struct worker { |
| 48 | unsigned int id; |
| 49 | char buf[MAX_FRAME_SIZE]; |
| 50 | unsigned int len; |
| 51 | unsigned int size; |
| 52 | int status_code; |
| 53 | unsigned int stream_id; |
| 54 | unsigned int frame_id; |
| 55 | bool healthcheck; |
| 56 | int ip_score; /* -1 if unset, else between 0 and 100 */ |
| 57 | }; |
| 58 | |
| 59 | struct chunk { |
| 60 | char *str; /* beginning of the string itself. Might not be 0-terminated */ |
| 61 | int len; /* current size of the string from first to last char */ |
| 62 | }; |
| 63 | |
| 64 | union spoe_value { |
| 65 | bool boolean; /* use for boolean */ |
| 66 | int32_t sint32; /* used for signed 32bits integers */ |
| 67 | uint32_t uint32; /* used for signed 32bits integers */ |
| 68 | int32_t sint64; /* used for signed 64bits integers */ |
| 69 | uint32_t uint64; /* used for signed 64bits integers */ |
| 70 | struct in_addr ipv4; /* used for ipv4 addresses */ |
| 71 | struct in6_addr ipv6; /* used for ipv6 addresses */ |
| 72 | struct chunk buffer; /* used for char strings or buffers */ |
| 73 | }; |
| 74 | |
| 75 | /* Used to store sample constant */ |
| 76 | struct spoe_data { |
| 77 | enum spoe_data_type type; /* SPOE_DATA_T_* */ |
| 78 | union spoe_value u; /* spoe data value */ |
| 79 | }; |
| 80 | |
| 81 | #endif /* __SPOA_H__ */ |