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 | 2ba18a2 | 2015-01-23 14:07:08 +0100 | [diff] [blame] | 12 | #define CLASS_CORE "Core" |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 13 | #define CLASS_TXN "TXN" |
Thierry FOURNIER | bb53c7b | 2015-03-11 18:28:02 +0100 | [diff] [blame] | 14 | #define CLASS_FETCHES "Fetches" |
Thierry FOURNIER | 594afe7 | 2015-03-10 23:58:30 +0100 | [diff] [blame] | 15 | #define CLASS_CONVERTERS "Converters" |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 16 | #define CLASS_SOCKET "Socket" |
Thierry FOURNIER | 5a6d3fd | 2015-02-09 16:38:34 +0100 | [diff] [blame] | 17 | #define CLASS_CHANNEL "Channel" |
Thierry FOURNIER | 08504f4 | 2015-03-16 14:17:08 +0100 | [diff] [blame] | 18 | #define CLASS_HTTP "HTTP" |
Thierry FOURNIER | 3def393 | 2015-04-07 11:27:54 +0200 | [diff] [blame] | 19 | #define CLASS_MAP "Map" |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 20 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 21 | struct stream; |
Thierry FOURNIER | 2ba18a2 | 2015-01-23 14:07:08 +0100 | [diff] [blame] | 22 | |
Thierry FOURNIER | a097fdf | 2015-03-03 15:17:35 +0100 | [diff] [blame] | 23 | #define HLUA_RUN 0x00000001 |
Thierry FOURNIER | 4abd3ae | 2015-03-03 17:29:06 +0100 | [diff] [blame] | 24 | #define HLUA_CTRLYIELD 0x00000002 |
Thierry FOURNIER | ef6a211 | 2015-03-05 17:45:34 +0100 | [diff] [blame] | 25 | #define HLUA_WAKERESWR 0x00000004 |
Thierry FOURNIER | 53e08ec | 2015-03-06 00:35:53 +0100 | [diff] [blame] | 26 | #define HLUA_WAKEREQWR 0x00000008 |
Thierry FOURNIER | 0a99b89 | 2015-08-26 00:14:17 +0200 | [diff] [blame] | 27 | #define HLUA_EXIT 0x00000010 |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 28 | |
| 29 | enum hlua_exec { |
| 30 | HLUA_E_OK = 0, |
| 31 | HLUA_E_AGAIN, /* LUA yield, must resume the stack execution later, when |
| 32 | the associatedtask is waked. */ |
| 33 | HLUA_E_ERRMSG, /* LUA stack execution failed with a string error message |
| 34 | in the top of stack. */ |
| 35 | HLUA_E_ERR, /* LUA stack execution failed without error message. */ |
| 36 | }; |
| 37 | |
| 38 | struct hlua { |
| 39 | lua_State *T; /* The LUA stack. */ |
| 40 | int Tref; /* The reference of the stack in coroutine case. |
| 41 | -1 for the main lua stack. */ |
| 42 | int Mref; /* The reference of the memory context in coroutine case. |
| 43 | -1 if the memory context is not used. */ |
| 44 | 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] | 45 | unsigned int flags; /* The current execution flags. */ |
Thierry FOURNIER | c42c1ae | 2015-03-03 17:17:55 +0100 | [diff] [blame] | 46 | int wake_time; /* The lua wants to be waked at this time, or before. */ |
Thierry FOURNIER | bd41349 | 2015-03-03 16:52:26 +0100 | [diff] [blame] | 47 | int expire; /* Lua execution must be stopped over this time. */ |
Thierry FOURNIER | 380d093 | 2015-01-23 14:27:52 +0100 | [diff] [blame] | 48 | struct task *task; /* The task associated with the lua stack execution. |
| 49 | We must wake this task to continue the task execution */ |
Thierry FOURNIER | 9ff7e6e | 2015-01-23 11:08:20 +0100 | [diff] [blame] | 50 | 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] | 51 | struct ebpt_node node; |
| 52 | }; |
| 53 | |
Thierry FOURNIER | 9ff7e6e | 2015-01-23 11:08:20 +0100 | [diff] [blame] | 54 | struct hlua_com { |
| 55 | struct list purge_me; /* Part of the list of signals to be purged in the |
| 56 | case of the LUA execution stack crash. */ |
| 57 | struct list wake_me; /* Part of list of signals to be targeted if an |
| 58 | event occurs. */ |
| 59 | struct task *task; /* The task to be wake if an event occurs. */ |
| 60 | }; |
| 61 | |
Thierry FOURNIER | a4a0f3d | 2015-01-23 12:08:30 +0100 | [diff] [blame] | 62 | /* This is a part of the list containing references to functions |
| 63 | * called at the initialisation time. |
| 64 | */ |
| 65 | struct hlua_init_function { |
| 66 | struct list l; |
| 67 | int function_ref; |
| 68 | }; |
| 69 | |
Thierry FOURNIER | fa0e5dd | 2015-02-16 20:19:18 +0100 | [diff] [blame] | 70 | /* This struct contains the lua data used to bind |
| 71 | * Lua function on HAProxy hook like sample-fetches |
| 72 | * or actions. |
| 73 | */ |
| 74 | struct hlua_function { |
| 75 | char *name; |
| 76 | int function_ref; |
| 77 | }; |
| 78 | |
Thierry FOURNIER | 258d8aa | 2015-02-16 20:23:40 +0100 | [diff] [blame] | 79 | /* This struct is used with the structs: |
| 80 | * - http_req_rule |
| 81 | * - http_res_rule |
| 82 | * - tcp_rule |
| 83 | * It contains the lua execution configuration. |
| 84 | */ |
| 85 | struct hlua_rule { |
| 86 | struct hlua_function fcn; |
| 87 | char **args; |
| 88 | }; |
| 89 | |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 90 | /* This struct contains the pointer provided on the most |
| 91 | * of internal HAProxy calls during the processing of |
| 92 | * rules, converters and sample-fetches. This struct is |
| 93 | * associated with the lua object called "TXN". |
| 94 | */ |
| 95 | struct hlua_txn { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 96 | struct stream *s; |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 97 | struct proxy *p; |
Thierry FOURNIER | 65f34c6 | 2015-02-16 20:11:43 +0100 | [diff] [blame] | 98 | }; |
| 99 | |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 100 | /* This struc is used with sample fetches and sample converters. */ |
| 101 | struct hlua_smp { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 102 | struct stream *s; |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 103 | struct proxy *p; |
Thierry FOURNIER | 2694a1a | 2015-03-11 20:13:36 +0100 | [diff] [blame] | 104 | int stringsafe; |
| 105 | }; |
| 106 | |
Thierry FOURNIER | 5b8608f | 2015-02-16 19:43:25 +0100 | [diff] [blame] | 107 | /* This struct contains data used with sleep functions. */ |
| 108 | struct hlua_sleep { |
| 109 | struct task *task; /* task associated with sleep. */ |
| 110 | struct list com; /* list of signal to wake at the end of sleep. */ |
| 111 | unsigned int wakeup_ms; /* hour to wakeup. */ |
| 112 | }; |
| 113 | |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 114 | /* This struct is used to create coprocess doing TCP or |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 115 | * SSL I/O. It uses a fake stream. |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 116 | */ |
| 117 | struct hlua_socket { |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 118 | struct stream *s; /* Stream used for socket I/O. */ |
Thierry FOURNIER | 7e7ac32 | 2015-02-16 19:27:16 +0100 | [diff] [blame] | 119 | luaL_Buffer b; /* buffer used to prepare strings. */ |
| 120 | }; |
| 121 | |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 122 | #else /* USE_LUA */ |
| 123 | |
| 124 | /* Empty struct for compilation compatibility */ |
| 125 | struct hlua { }; |
| 126 | struct hlua_socket { }; |
Thierry FOURNIER | 231ef1d | 2015-07-30 19:03:55 +0200 | [diff] [blame] | 127 | struct hlua_rule { }; |
Thierry FOURNIER | a718b29 | 2015-03-04 16:48:34 +0100 | [diff] [blame] | 128 | |
| 129 | #endif /* USE_LUA */ |
| 130 | |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 131 | #endif /* _TYPES_HLUA_H */ |