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66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#ifndef LUALIB_H
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#define LUALIB_H
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <strings.h>
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#include <string.h>
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#include <stdlib.h>
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#include "lua54/lua.h"
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#include "lua54/lauxlib.h"
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#include "lua54/lualib.h"
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#define SLICE "slice"
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typedef struct {
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size_t magic;
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size_t len;
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uint8_t* data;
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} slice_t;
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#ifndef LUA_SLICE_MAGIC
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/**
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* @brief Send data to the server via fastCGI protocol
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* This function is defined by the luad fcgi server
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*
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* @param fd the socket fd
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* @param id the request id
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* @param ptr data pointer
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* @param size data size
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* @return int
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*/
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int fcgi_send_slice(int fd, uint16_t id, uint8_t* ptr, size_t size);
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/**
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* @brief Get the magic number of the slice
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* This value is defined by the luad fastCGI server
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*
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* @return size_t
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*/
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size_t lua_slice_magic();
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#else
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#define lua_slice_magic() (LUA_SLICE_MAGIC)
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#define fcgi_send_slice(fd,id,ptr,size) (-1)
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#endif
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void lua_new_slice(lua_State*L, int n)
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{
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size_t nbytes = sizeof(slice_t) + n * 1U;
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slice_t *a = (slice_t *)lua_newuserdata(L, nbytes);
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a->data = &((char *)a)[sizeof(slice_t)];
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a->magic = lua_slice_magic();
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luaL_getmetatable(L, SLICE);
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lua_setmetatable(L, -2);
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(void)memset(a->data,0,n);
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a->len = n;
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}
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slice_t * lua_check_slice(lua_State *L, int idx)
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{
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void *ud = luaL_checkudata(L, idx, SLICE);
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luaL_argcheck(L, ud != NULL, idx, "`slice' expected");
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return (slice_t *)ud;
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}
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#endif |