| #ifndef _TYPES_HLUA_H |
| #define _TYPES_HLUA_H |
| |
| #ifdef USE_LUA |
| |
| #include <lua.h> |
| #include <lauxlib.h> |
| |
| #include <common/xref.h> |
| |
| #include <types/proxy.h> |
| #include <types/server.h> |
| |
| #define CLASS_CORE "Core" |
| #define CLASS_TXN "TXN" |
| #define CLASS_FETCHES "Fetches" |
| #define CLASS_CONVERTERS "Converters" |
| #define CLASS_SOCKET "Socket" |
| #define CLASS_CHANNEL "Channel" |
| #define CLASS_HTTP "HTTP" |
| #define CLASS_MAP "Map" |
| #define CLASS_APPLET_TCP "AppletTCP" |
| #define CLASS_APPLET_HTTP "AppletHTTP" |
| #define CLASS_PROXY "Proxy" |
| #define CLASS_SERVER "Server" |
| #define CLASS_LISTENER "Listener" |
| #define CLASS_REGEX "Regex" |
| |
| struct stream; |
| |
| #define HLUA_RUN 0x00000001 |
| #define HLUA_CTRLYIELD 0x00000002 |
| #define HLUA_WAKERESWR 0x00000004 |
| #define HLUA_WAKEREQWR 0x00000008 |
| #define HLUA_EXIT 0x00000010 |
| #define HLUA_MUST_GC 0x00000020 |
| #define HLUA_STOP 0x00000040 |
| |
| #define HLUA_F_AS_STRING 0x01 |
| #define HLUA_F_MAY_USE_HTTP 0x02 |
| |
| #define HLUA_TXN_NOTERM 0x00000001 |
| |
| #define HLUA_CONCAT_BLOCSZ 2048 |
| |
| enum hlua_exec { |
| HLUA_E_OK = 0, |
| HLUA_E_AGAIN, /* LUA yield, must resume the stack execution later, when |
| the associatedtask is waked. */ |
| HLUA_E_ERRMSG, /* LUA stack execution failed with a string error message |
| in the top of stack. */ |
| HLUA_E_ERR, /* LUA stack execution failed without error message. */ |
| }; |
| |
| /* This struct is use for storing HAProxy parsers state |
| * before executing some Lua code. The goal is we can |
| * check and compare the parser state a the end of Lua |
| * execution. If the state is changed by Lua towards |
| * an unexpected state, we can abort the transaction. |
| */ |
| struct hlua_consistency { |
| enum pr_mode mode; |
| union { |
| struct { |
| int dir; |
| enum h1_state state; |
| } http; |
| } data; |
| }; |
| |
| struct hlua { |
| lua_State *T; /* The LUA stack. */ |
| int Tref; /* The reference of the stack in coroutine case. |
| -1 for the main lua stack. */ |
| int Mref; /* The reference of the memory context in coroutine case. |
| -1 if the memory context is not used. */ |
| int nargs; /* The number of arguments in the stack at the start of execution. */ |
| unsigned int flags; /* The current execution flags. */ |
| int wake_time; /* The lua wants to be waked at this time, or before. */ |
| unsigned int max_time; /* The max amount of execution time for an Lua process, in ms. */ |
| unsigned int start_time; /* The ms time when the Lua starts the last execution. */ |
| unsigned int run_time; /* Lua total execution time in ms. */ |
| struct task *task; /* The task associated with the lua stack execution. |
| We must wake this task to continue the task execution */ |
| struct list com; /* The list head of the signals attached to this task. */ |
| struct ebpt_node node; |
| struct hlua_consistency cons; /* Store data consistency check. */ |
| }; |
| |
| /* This is a part of the list containing references to functions |
| * called at the initialisation time. |
| */ |
| struct hlua_init_function { |
| struct list l; |
| int function_ref; |
| }; |
| |
| /* This struct contains the lua data used to bind |
| * Lua function on HAProxy hook like sample-fetches |
| * or actions. |
| */ |
| struct hlua_function { |
| char *name; |
| int function_ref; |
| int nargs; |
| }; |
| |
| /* This struct is used with the structs: |
| * - http_req_rule |
| * - http_res_rule |
| * - tcp_rule |
| * It contains the lua execution configuration. |
| */ |
| struct hlua_rule { |
| struct hlua_function fcn; |
| char **args; |
| }; |
| |
| /* This struct contains the pointer provided on the most |
| * of internal HAProxy calls during the processing of |
| * rules, converters and sample-fetches. This struct is |
| * associated with the lua object called "TXN". |
| */ |
| struct hlua_txn { |
| struct stream *s; |
| struct proxy *p; |
| int dir; /* SMP_OPT_DIR_{REQ,RES} */ |
| int flags; |
| }; |
| |
| /* This struct contains the applet context. */ |
| struct hlua_appctx { |
| struct appctx *appctx; |
| luaL_Buffer b; /* buffer used to prepare strings. */ |
| struct hlua_txn htxn; |
| }; |
| |
| /* This struc is used with sample fetches and sample converters. */ |
| struct hlua_smp { |
| struct stream *s; |
| struct proxy *p; |
| unsigned int flags; /* LUA_F_OPT_* */ |
| int dir; /* SMP_OPT_DIR_{REQ,RES} */ |
| }; |
| |
| /* This struct contains data used with sleep functions. */ |
| struct hlua_sleep { |
| struct task *task; /* task associated with sleep. */ |
| struct list com; /* list of signal to wake at the end of sleep. */ |
| unsigned int wakeup_ms; /* hour to wakeup. */ |
| }; |
| |
| /* This struct is used to create coprocess doing TCP or |
| * SSL I/O. It uses a fake stream. |
| */ |
| struct hlua_socket { |
| struct xref xref; /* cross reference with the stream used for socket I/O. */ |
| luaL_Buffer b; /* buffer used to prepare strings. */ |
| }; |
| |
| struct hlua_concat { |
| int size; |
| int len; |
| }; |
| |
| struct hlua_addr { |
| union { |
| struct { |
| struct in_addr ip; |
| struct in_addr mask; |
| } v4; |
| struct { |
| struct in6_addr ip; |
| struct in6_addr mask; |
| } v6; |
| } addr; |
| int type; |
| }; |
| |
| #else /* USE_LUA */ |
| |
| /* Empty struct for compilation compatibility */ |
| struct hlua { }; |
| struct hlua_socket { }; |
| struct hlua_rule { }; |
| |
| #endif /* USE_LUA */ |
| |
| #endif /* _TYPES_HLUA_H */ |