Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 1 | #ifndef _TYPES_HLUA_H |
| 2 | #define _TYPES_HLUA_H |
| 3 | |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 4 | #ifdef USE_LUA |
| 5 | |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 6 | #include <lua.h> |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 7 | #include <lauxlib.h> |
| 8 | |
| 9 | #include <types/proxy.h> |
| 10 | #include <types/server.h> |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 11 | |
Thierry FOURNIER | 0efc94c | 2015-09-16 21:22:28 +0200 | [diff] [blame] | 12 | #define CLASS_CORE "Core" |
| 13 | #define CLASS_TXN "TXN" |
| 14 | #define CLASS_FETCHES "Fetches" |
| 15 | #define CLASS_CONVERTERS "Converters" |
| 16 | #define CLASS_SOCKET "Socket" |
| 17 | #define CLASS_CHANNEL "Channel" |
| 18 | #define CLASS_HTTP "HTTP" |
| 19 | #define CLASS_MAP "Map" |
Thierry FOURNIER | f0a64b6 | 2015-09-19 12:36:17 +0200 | [diff] [blame] | 20 | #define CLASS_APPLET_TCP "AppletTCP" |
Thierry FOURNIER | a30b5db | 2015-09-18 09:04:27 +0200 | [diff] [blame] | 21 | #define CLASS_APPLET_HTTP "AppletHTTP" |
Thierry Fournier | f61aa63 | 2016-02-19 20:56:00 +0100 | [diff] [blame] | 22 | #define CLASS_PROXY "Proxy" |
Thierry Fournier | f2fdc9d | 2016-02-22 08:21:39 +0100 | [diff] [blame] | 23 | #define CLASS_SERVER "Server" |
Thierry Fournier | ff48042 | 2016-02-25 08:36:46 +0100 | [diff] [blame] | 24 | #define CLASS_LISTENER "Listener" |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 25 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 26 | struct stream; |
Thierry FOURNIER | 2ba18a2 | 2015-01-23 14:07:08 +0100 | [diff] [blame] | 27 | |
Thierry FOURNIER | a097fdf | 2015-03-03 15:17:35 +0100 | [diff] [blame] | 28 | #define HLUA_RUN 0x00000001 |
Thierry FOURNIER | 4abd3ae | 2015-03-03 17:29:06 +0100 | [diff] [blame] | 29 | #define HLUA_CTRLYIELD 0x00000002 |
Thierry FOURNIER | ef6a211 | 2015-03-05 17:45:34 +0100 | [diff] [blame] | 30 | #define HLUA_WAKERESWR 0x00000004 |
Thierry FOURNIER | 53e08ec | 2015-03-06 00:35:53 +0100 | [diff] [blame] | 31 | #define HLUA_WAKEREQWR 0x00000008 |
Thierry FOURNIER | 0a99b89 | 2015-08-26 00:14:17 +0200 | [diff] [blame] | 32 | #define HLUA_EXIT 0x00000010 |
Thierry FOURNIER | 7c39ab4 | 2015-09-27 22:53:33 +0200 | [diff] [blame] | 33 | #define HLUA_MUST_GC 0x00000020 |
Thierry FOURNIER | 9bd52d4 | 2016-07-14 11:45:33 +0200 | [diff] [blame] | 34 | #define HLUA_STOP 0x00000040 |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 35 | |
Thierry FOURNIER | 7fa0549 | 2015-12-20 18:42:25 +0100 | [diff] [blame] | 36 | #define HLUA_F_AS_STRING 0x01 |
Thierry FOURNIER | ca98866 | 2015-12-20 18:43:03 +0100 | [diff] [blame] | 37 | #define HLUA_F_MAY_USE_HTTP 0x02 |
Thierry FOURNIER | 7fa0549 | 2015-12-20 18:42:25 +0100 | [diff] [blame] | 38 | |
Thierry FOURNIER | ab00df6 | 2016-07-14 11:42:37 +0200 | [diff] [blame] | 39 | #define HLUA_TXN_NOTERM 0x00000001 |
| 40 | |
Thierry Fournier | 49d4842 | 2016-02-19 12:09:29 +0100 | [diff] [blame] | 41 | #define HLUA_CONCAT_BLOCSZ 2048 |
| 42 | |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 43 | enum hlua_exec { |
| 44 | HLUA_E_OK = 0, |
| 45 | HLUA_E_AGAIN, /* LUA yield, must resume the stack execution later, when |
| 46 | the associatedtask is waked. */ |
| 47 | HLUA_E_ERRMSG, /* LUA stack execution failed with a string error message |
| 48 | in the top of stack. */ |
| 49 | HLUA_E_ERR, /* LUA stack execution failed without error message. */ |
| 50 | }; |
| 51 | |
Thierry FOURNIER | 11cfb3d | 2016-12-13 13:06:23 +0100 | [diff] [blame] | 52 | /* This struct is use for storing HAProxy parsers state |
| 53 | * before executing some Lua code. The goal is we can |
| 54 | * check and compare the parser state a the end of Lua |
| 55 | * execution. If the state is changed by Lua towards |
| 56 | * an unexpected state, we can abort the transaction. |
| 57 | */ |
| 58 | struct hlua_consistency { |
| 59 | enum pr_mode mode; |
| 60 | union { |
| 61 | struct { |
| 62 | int dir; |
| 63 | enum ht_state state; |
| 64 | } http; |
| 65 | } data; |
| 66 | }; |
| 67 | |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 68 | struct hlua { |
| 69 | lua_State *T; /* The LUA stack. */ |
| 70 | int Tref; /* The reference of the stack in coroutine case. |
| 71 | -1 for the main lua stack. */ |
| 72 | int Mref; /* The reference of the memory context in coroutine case. |
| 73 | -1 if the memory context is not used. */ |
| 74 | int nargs; /* The number of arguments in the stack at the start of execution. */ |
Thierry FOURNIER | a097fdf | 2015-03-03 15:17:35 +0100 | [diff] [blame] | 75 | unsigned int flags; /* The current execution flags. */ |
Thierry FOURNIER | c42c1ae | 2015-03-03 17:17:55 +0100 | [diff] [blame] | 76 | int wake_time; /* The lua wants to be waked at this time, or before. */ |
Thierry FOURNIER | 10770fa | 2015-09-29 01:59:42 +0200 | [diff] [blame] | 77 | unsigned int max_time; /* The max amount of execution time for an Lua process, in ms. */ |
| 78 | unsigned int start_time; /* The ms time when the Lua starts the last execution. */ |
| 79 | unsigned int run_time; /* Lua total execution time in ms. */ |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 80 | struct task *task; /* The task associated with the lua stack execution. |
| 81 | We must wake this task to continue the task execution */ |
Thierry FOURNIER | 9ff7e6e | 2015-01-23 11:08:20 +0100 | [diff] [blame] | 82 | struct list com; /* The list head of the signals attached to this task. */ |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 83 | struct ebpt_node node; |
Thierry FOURNIER | 11cfb3d | 2016-12-13 13:06:23 +0100 | [diff] [blame] | 84 | struct hlua_consistency cons; /* Store data consistency check. */ |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 85 | }; |
| 86 | |
Thierry FOURNIER | 9ff7e6e | 2015-01-23 11:08:20 +0100 | [diff] [blame] | 87 | struct hlua_com { |
| 88 | struct list purge_me; /* Part of the list of signals to be purged in the |
| 89 | case of the LUA execution stack crash. */ |
| 90 | struct list wake_me; /* Part of list of signals to be targeted if an |
| 91 | event occurs. */ |
| 92 | struct task *task; /* The task to be wake if an event occurs. */ |
| 93 | }; |
| 94 | |
Thierry FOURNIER | a4a0f3d | 2015-01-23 12:08:30 +0100 | [diff] [blame] | 95 | /* This is a part of the list containing references to functions |
| 96 | * called at the initialisation time. |
| 97 | */ |
| 98 | struct hlua_init_function { |
| 99 | struct list l; |
| 100 | int function_ref; |
| 101 | }; |
| 102 | |
Thierry FOURNIER | fa0e5dd | 2015-02-16 20:19:18 +0100 | [diff] [blame] | 103 | /* This struct contains the lua data used to bind |
| 104 | * Lua function on HAProxy hook like sample-fetches |
| 105 | * or actions. |
| 106 | */ |
| 107 | struct hlua_function { |
| 108 | char *name; |
| 109 | int function_ref; |
Thierry FOURNIER / OZON.IO | 4b123be | 2016-12-09 18:03:31 +0100 | [diff] [blame] | 110 | int nargs; |
Thierry FOURNIER | fa0e5dd | 2015-02-16 20:19:18 +0100 | [diff] [blame] | 111 | }; |
| 112 | |
Thierry FOURNIER | 258d8aa | 2015-02-16 20:23:40 +0100 | [diff] [blame] | 113 | /* This struct is used with the structs: |
| 114 | * - http_req_rule |
| 115 | * - http_res_rule |
| 116 | * - tcp_rule |
| 117 | * It contains the lua execution configuration. |
| 118 | */ |
| 119 | struct hlua_rule { |
| 120 | struct hlua_function fcn; |
| 121 | char **args; |
| 122 | }; |
| 123 | |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 124 | /* This struct contains the pointer provided on the most |
| 125 | * of internal HAProxy calls during the processing of |
| 126 | * rules, converters and sample-fetches. This struct is |
| 127 | * associated with the lua object called "TXN". |
| 128 | */ |
| 129 | struct hlua_txn { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 130 | struct stream *s; |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 131 | struct proxy *p; |
Thierry FOURNIER | c4eebc8 | 2015-11-02 10:01:59 +0100 | [diff] [blame] | 132 | int dir; /* SMP_OPT_DIR_{REQ,RES} */ |
Thierry FOURNIER | ab00df6 | 2016-07-14 11:42:37 +0200 | [diff] [blame] | 133 | int flags; |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 134 | }; |
| 135 | |
Thierry FOURNIER | f0a64b6 | 2015-09-19 12:36:17 +0200 | [diff] [blame] | 136 | /* This struct contains the applet context. */ |
| 137 | struct hlua_appctx { |
| 138 | struct appctx *appctx; |
| 139 | luaL_Buffer b; /* buffer used to prepare strings. */ |
| 140 | struct hlua_txn htxn; |
| 141 | }; |
| 142 | |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 143 | /* This struc is used with sample fetches and sample converters. */ |
| 144 | struct hlua_smp { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 145 | struct stream *s; |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 146 | struct proxy *p; |
Thierry FOURNIER | 7fa0549 | 2015-12-20 18:42:25 +0100 | [diff] [blame] | 147 | unsigned int flags; /* LUA_F_OPT_* */ |
Thierry FOURNIER | c4eebc8 | 2015-11-02 10:01:59 +0100 | [diff] [blame] | 148 | int dir; /* SMP_OPT_DIR_{REQ,RES} */ |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 149 | }; |
| 150 | |
Thierry FOURNIER | 5b8608f | 2015-02-16 19:43:25 +0100 | [diff] [blame] | 151 | /* This struct contains data used with sleep functions. */ |
| 152 | struct hlua_sleep { |
| 153 | struct task *task; /* task associated with sleep. */ |
| 154 | struct list com; /* list of signal to wake at the end of sleep. */ |
| 155 | unsigned int wakeup_ms; /* hour to wakeup. */ |
| 156 | }; |
| 157 | |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 158 | /* This struct is used to create coprocess doing TCP or |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 159 | * SSL I/O. It uses a fake stream. |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 160 | */ |
| 161 | struct hlua_socket { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 162 | struct stream *s; /* Stream used for socket I/O. */ |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 163 | luaL_Buffer b; /* buffer used to prepare strings. */ |
| 164 | }; |
| 165 | |
Thierry Fournier | 49d4842 | 2016-02-19 12:09:29 +0100 | [diff] [blame] | 166 | struct hlua_concat { |
| 167 | int size; |
| 168 | int len; |
| 169 | }; |
| 170 | |
Thierry FOURNIER / OZON.IO | 62fec75 | 2016-11-10 20:38:11 +0100 | [diff] [blame] | 171 | struct hlua_addr { |
| 172 | union { |
| 173 | struct { |
| 174 | struct in_addr ip; |
| 175 | struct in_addr mask; |
| 176 | } v4; |
| 177 | struct { |
| 178 | struct in6_addr ip; |
| 179 | struct in6_addr mask; |
| 180 | } v6; |
| 181 | } addr; |
| 182 | int type; |
| 183 | }; |
| 184 | |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 185 | #else /* USE_LUA */ |
| 186 | |
| 187 | /* Empty struct for compilation compatibility */ |
| 188 | struct hlua { }; |
| 189 | struct hlua_socket { }; |
Thierry FOURNIER | 231ef1d | 2015-07-30 19:03:55 +0200 | [diff] [blame] | 190 | struct hlua_rule { }; |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 191 | |
| 192 | #endif /* USE_LUA */ |
| 193 | |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 194 | #endif /* _TYPES_HLUA_H */ |