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lua plugin now used a separated process to handle requests

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This commit is contained in:
DanyLE 2022-08-27 21:44:55 +02:00 committed by Dany LE
parent 7814611008
commit c7ea2af3f1
6 changed files with 997 additions and 1018 deletions
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133
APIs/api.lua
View File

@ -1,32 +1,23 @@
package.cpath = __api__.apiroot..'/?.so' package.cpath = __api__.apiroot..'/?.so'
require("antd") require("antd")
std = modules.std()
local readline = function()
local s = ""
repeat
local c = modules.std().antd_recv(HTTP_REQUEST.id,1)
if c ~= 0 and c ~= 10 then
s = s..utf8.char(c)
end
until(c == 0 or c == 10)
return s
end
local read_header =function() local read_header =function()
local l
repeat repeat
local l = readline() l = std.antd_recv(HTTP_REQUEST.id)
if l ~= '\r' then if l and l ~= '\r' then
if l == "HTTP_REQUEST" or l == "request" or l == "COOKIE" or l == "REQUEST_HEADER" or l == "REQUEST_DATA" then if l == "HTTP_REQUEST" or l == "request" or l == "COOKIE" or l == "REQUEST_HEADER" or l == "REQUEST_DATA" then
coroutine.yield(l, "LUA_TABLE") coroutine.yield(l, "LUA_TABLE")
else else
local l1 = readline() local l1 = std.antd_recv(HTTP_REQUEST.id)
if l1 ~= '\r' then if l1 ~= '\r' then
coroutine.yield(l, l1) coroutine.yield(l, l1)
end end
l = l1 l = l1
end end
end end
until l == '\r' until not l or l == '\r'
end end
@ -85,11 +76,11 @@ if HEADER["User-Agent"] and HEADER["User-Agent"]:match("Mobi") then
end end
function LOG_INFO(fmt,...) function LOG_INFO(fmt,...)
ulib.syslog(5,string.format(fmt, table.unpack({...}))) ulib.syslog(5,string.format(fmt or "LOG", table.unpack({...}) or ""))
end end
function LOG_ERROR(fmt,...) function LOG_ERROR(fmt,...)
ulib.syslog(3,string.format(fmt, table.unpack({...}))) ulib.syslog(3,string.format(fmt or "ERROR", table.unpack({...}) or ""))
end end
function has_module(m) function has_module(m)
@ -190,88 +181,13 @@ function loadscript(file, args)
end end
end end
local decode_post_data = function(ctype, clen, is_url)
local raw_data,size = std.antd_recv(HTTP_REQUEST.id, clen)
if not raw_data or size ~= clen then
LOG_ERROR("Unable to read request data: received %d bytes expected %d bytes", size, clen)
return 400, "Unable to read request data"
end
if is_url then
local str = tostring(raw)
local arr = explode(str, "&")
LOG_INFO("encoded POST URI: %s", str)
for i,v in ipairs(arr) do
local assoc = explode(v,"=")
if #assoc == 2 then
REQUEST[assoc[1]] = untils.decodeURI(assoc[2])
else
REQUEST[assoc[1]] = ""
end
end
else
local key = ctype:gsub("^[^/]*", "")
REQUEST[key] = raw_data
end
return 0
end
local decode_multi_part = function(ctype, clen)
--[[
local arr = explode(ctype, "=")
if #arr ~= 2 then
LOG_ERROR("Unable to parsed boundary for: %s", ctype)
return 400, "Multipart Boundary not found"
end
local boundary = std.trim(arr[2]," ")
local boundary_end = boundary.."--"
LOG_INFO("Boundary found: %s", boundary)
local line = nil
repeat
line = readline()
until not line or line:find(boundary) or line == ""
if not line or line == "" then
LOG_ERROR("Cannot find first match for boundary %s", boundary)
return 400, "Unable to decode data based on content boundary"
end
repeat
line = readline()
until not line or line:find("Content-Disposition:") or line == ""
if not line or line == "" then
LOG_ERROR("Content-Disposition meta data not fond")
return 400, "Unable to query Content-Disposition from request"
end
line = line:gsub("Content-Disposition:",""):gsub("\r\n","")
-- extract parameters from header
arr = explode(line,";")
local part_name, part_file = nil, nil
for i,v in ipairs(arr) do
LOG_INFO('Decoding: %s', v)
local assoc = explode(v, "=")
local key = std.trim(assoc[1])
local val = assoc[1]
if val then
val = std.trim(val, " ")
if key == "name" then
LOG_INFO("Part name: %s", val)
part_name = val
end
if key == "filename" then
LOG_INFO("Part file: %s", val)
part_file = val
end
end
end
-- TODO: to be continue
]]
return 0
end
-- decode post data if any -- decode post data if any
local decode_request = function() local decode_request_data = function()
LOG_INFO("Request method %s", REQUEST.method)
if (not REQUEST.method) if (not REQUEST.method)
or (REQUEST.method ~= "POST" or (REQUEST.method ~= "POST"
and REQUEST.method ~= "PUT" and REQUEST.method ~= "PUT"
and REQUEST.method ~= "PATCH") then and REQUEST.method ~= "PATCH")
or (not REQUEST.HAS_RAW_BODY) then
return 0 return 0
end end
local ctype = HEADER['Content-Type'] local ctype = HEADER['Content-Type']
@ -283,16 +199,31 @@ local decode_request = function()
LOG_ERROR("Invalid content type %s or content length %d", ctype, clen) LOG_ERROR("Invalid content type %s or content length %d", ctype, clen)
return 400, "Bad Request, missing content description" return 400, "Bad Request, missing content description"
end end
if ctype == "application/x-www-form-urlencoded" then local raw_data, len = std.antd_recv(HTTP_REQUEST.id, clen)
return decode_post_data(ctype, clen, true) if len ~= clen then
elseif ctype == "multipart/form-data" then LOG_ERROR("Unable to read all data: read %d expected %d", len, clen)
return decode_multi_part(ctype, clen) return 400, "Bad Request, missing content data"
end
if ctype:find("application/json") then
REQUEST.json = bytes.__tostring(raw_data)
else else
return decode_post_data(ctype, clen, false) REQUEST[ctype] = raw_data
end
REQUEST.HAS_RAW_BODY = nil
return 0
end
-- set compression level
local accept_encoding = HEADER["Accept-Encoding"]
if accept_encoding then
if accept_encoding:find("gzip") then
std.antd_set_zlevel(HTTP_REQUEST.id, "gzip")
elseif accept_encoding:find("deflate") then
std.antd_set_zlevel(HTTP_REQUEST.id, "deflate")
end end
end end
local code, error = decode_request() local code, error = decode_request_data()
if code ~= 0 then if code ~= 0 then
LOG_ERROR(error) LOG_ERROR(error)

4
APIs/extra_mime.lua
View File

@ -1,5 +1,5 @@
function std.extra_mime(name) function std.extra_mime(name)
local ext = std.ext(name); local ext = std.ext(name)
local mpath = __ROOT__.."/".."mimes.json" local mpath = __ROOT__.."/".."mimes.json"
local xmimes = {} local xmimes = {}
if utils.file_exists(mpath) then if utils.file_exists(mpath) then
@ -15,7 +15,7 @@ function std.extra_mime(name)
elseif ext == "cpp" or ext == "hpp" then return "text/cpp",false elseif ext == "cpp" or ext == "hpp" then return "text/cpp",false
elseif ext == "md" then return "text/markdown",false elseif ext == "md" then return "text/markdown",false
elseif ext == "lua" then return "text/lua",false elseif ext == "lua" then return "text/lua",false
elseif ext == "yaml" then return "application/x-yaml", false elseif ext == "yml" then return "application/x-yaml", false
elseif xmimes[ext] then return xmimes[ext].mime, xmimes[ext].binary elseif xmimes[ext] then return xmimes[ext].mime, xmimes[ext].binary
--elseif ext == "pgm" then return "image/x-portable-graymap", true --elseif ext == "pgm" then return "image/x-portable-graymap", true
else else

4
APIs/std.lua
View File

@ -1,4 +1,3 @@
std = modules.std()
bytes = modules.bytes() bytes = modules.bytes()
array = modules.array() array = modules.array()
@ -61,7 +60,8 @@ function std.b(s)
std._b(HTTP_REQUEST.id,s) std._b(HTTP_REQUEST.id,s)
end end
function std.f(v) function std.f(v)
ulib.send_file(v, HTTP_REQUEST.socket) std._f(HTTP_REQUEST.id,v)
--ulib.send_file(v, HTTP_REQUEST.socket)
end end
function std.setCookie(v) function std.setCookie(v)

1272
lib/asl/antd.c
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File diff suppressed because it is too large Load Diff

177
lib/asl/handle.c
View File

@ -1,6 +1,4 @@
#include <antd/plugin.h> #include <antd/plugin.h>
#include <sys/stat.h>
#include <sys/types.h> /* See NOTES */
#include <sys/socket.h> #include <sys/socket.h>
#include <netinet/tcp.h> #include <netinet/tcp.h>
#include <errno.h> #include <errno.h>
@ -8,105 +6,100 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "../lualib.h" #include "../lualib.h"
typedef struct { typedef struct {
plugin_header_t* __plugin__; plugin_header_t* __plugin__;
int fd; int fd;
} lua_thread_data_t; } lua_thread_data_t;
void* lua_handle(void* ptr) void* lua_handle(void* ptr)
{ {
lua_thread_data_t* data = (lua_thread_data_t**)ptr; lua_thread_data_t* data = (lua_thread_data_t*)ptr;
lua_State* L = NULL; lua_State* L = NULL;
antd_client_t cl = {0}; antd_client_t* cl = (antd_client_t*) malloc(sizeof(antd_client_t));
cl.sock = data->fd; cl->sock = data->fd;
time(&cl.last_io); time(&cl->last_io);
cl.ssl = NULL; cl->ssl = NULL;
cl.state = ANTD_CLIENT_PLUGIN_EXEC; cl->state = ANTD_CLIENT_PLUGIN_EXEC;
cl.z_status = 0; cl->z_status = 0;
cl.z_level = ANTD_CNONE; cl->z_level = ANTD_CNONE;
cl.zstream = NULL; cl->zstream = NULL;
//char * index = __s("%s/%s",__plugin__->htdocs,"router.lua"); //char * index = __s("%s/%s",__plugin__->htdocs,"router.lua");
char* cnf = __s("%s%s%s", data->__plugin__->pdir,DIR_SEP, data->__plugin__->name); char* cnf = __s("%s%s%s", data->__plugin__->pdir,DIR_SEP, data->__plugin__->name);
char * apis = __s("%s/%s",cnf,"api.lua"); char * apis = __s("%s/%s",cnf,"api.lua");
L = luaL_newstate(); L = luaL_newstate();
luaL_openlibs(L); luaL_openlibs(L);
//module loader //module loader
//luaL_newlib(L, modules); //luaL_newlib(L, modules);
//lua_setglobal(L, "modules"); //lua_setglobal(L, "modules");
// set up global variable // set up global variable
// API header // API header
lua_newtable(L); lua_newtable(L);
lua_pushstring(L,"name"); lua_pushstring(L,"name");
lua_pushstring(L, data->__plugin__->name); lua_pushstring(L, data->__plugin__->name);
lua_settable(L,-3); lua_settable(L,-3);
//lua_pushstring(L,"root"); //lua_pushstring(L,"root");
//htdocs(rq, buf); //htdocs(rq, buf);
//lua_pushstring(L, data->__plugin__->htdocs); //lua_pushstring(L, data->__plugin__->htdocs);
//lua_settable(L,-3); //lua_settable(L,-3);
lua_pushstring(L,"apiroot"); lua_pushstring(L,"apiroot");
lua_pushstring(L, cnf); lua_pushstring(L, cnf);
lua_settable(L,-3); lua_settable(L,-3);
lua_pushstring(L,"tmpdir"); lua_pushstring(L,"tmpdir");
lua_pushstring(L, data->__plugin__->tmpdir); lua_pushstring(L, data->__plugin__->tmpdir);
lua_settable(L,-3); lua_settable(L,-3);
lua_pushstring(L,"dbpath"); lua_pushstring(L,"dbpath");
lua_pushstring(L, data->__plugin__->dbpath); lua_pushstring(L, data->__plugin__->dbpath);
lua_settable(L,-3); lua_settable(L,-3);
lua_setglobal(L, "__api__"); lua_setglobal(L, "__api__");
// Request // Request
lua_newtable(L); lua_newtable(L);
lua_pushstring(L,"id"); lua_pushstring(L,"id");
lua_pushlightuserdata(L, &cl); lua_pushlightuserdata(L, cl);
//lua_pushnumber(L,client); //lua_pushnumber(L,client);
lua_settable(L, -3); lua_settable(L, -3);
lua_pushstring(L,"socket"); lua_pushstring(L,"socket");
lua_pushnumber(L, cl.sock); lua_pushnumber(L, cl->sock);
//lua_pushnumber(L,client); //lua_pushnumber(L,client);
lua_settable(L, -3); lua_settable(L, -3);
int flag = 1; //lua_pushstring(L,"request");
//push_dict_to_lua(L,rq->request);
if (setsockopt(cl.sock, IPPROTO_TCP, TCP_NODELAY, &(int){1}, sizeof(int)) == -1) //lua_settable(L, -3);
{ lua_setglobal(L, "HTTP_REQUEST");
ERROR("Unable to set TCP_NODELAY on %d - setsockopt: %s", cl.sock, strerror(errno)); free(ptr);
} // load major apis
//lua_pushstring(L,"request"); if(is_file(apis))
//push_dict_to_lua(L,rq->request); if (luaL_loadfile(L, apis) || lua_pcall(L, 0, 0, 0))
//lua_settable(L, -3); {
lua_setglobal(L, "HTTP_REQUEST"); ERROR("cannot start API file: [%s] %s\n", apis, lua_tostring(L, -1));
free(ptr); }
// load major apis
if(is_file(apis)) /*if (luaL_loadfile(L, index) || lua_pcall(L, 0, 0, 0))
if (luaL_loadfile(L, apis) || lua_pcall(L, 0, 0, 0)) {
{ text(client);
ERROR( "cannot start API file: [%s] %s\n", apis, lua_tostring(L, -1)); __t(client, "Cannot run router: %s", lua_tostring(L, -1));
antd_error(&cl, 503, "Internal server error"); }
} free(index);*/
LOG("LUA handle exit on %d", cl->sock);
/*if (luaL_loadfile(L, index) || lua_pcall(L, 0, 0, 0)) // clear request
{ if(L)
text(client); lua_close(L);
__t(client, "Cannot run router: %s", lua_tostring(L, -1)); if(cnf)
} free(cnf);
free(index);*/ if(apis)
LOG("LUA handle exit on %d", cl.sock); free(apis);
// clear request (void) antd_close(cl);
if(L) return 0;
lua_close(L); //lua_close(L);
if(cnf)
free(cnf);
if(apis)
free(apis);
(void) close(cl.sock);
return 0;
//lua_close(L);
} }

425
lua-api.c
View File

@ -30,19 +30,18 @@
#define PROCESS_TIMEOUT 200u //100ms #define PROCESS_TIMEOUT 200u //100ms
typedef struct { typedef struct {
plugin_header_t* __plugin__; plugin_header_t* __plugin__;
int fd; int fd;
} lua_thread_data_t; } lua_thread_data_t;
static pid_t pid = 0; static pid_t pid = 0;
static char sock_path[108];
static int open_unix_socket() static int open_unix_socket()
{ {
struct sockaddr_un address; struct sockaddr_un address;
address.sun_family = AF_UNIX; address.sun_family = AF_UNIX;
char path[sizeof(address.sun_path)]; (void) strncpy(address.sun_path, sock_path, sizeof(address.sun_path));
(void)snprintf(path, sizeof(address.sun_path), "%s/%s", __plugin__.tmpdir, SOCKET_NAME);
(void) strncpy(address.sun_path, path, sizeof(address.sun_path));
int fd = socket(AF_UNIX, SOCK_STREAM, 0); int fd = socket(AF_UNIX, SOCK_STREAM, 0);
if(fd == -1) if(fd == -1)
{ {
@ -54,20 +53,16 @@ static int open_unix_socket()
ERROR( "Unable to connect to socket '%s': %s", address.sun_path, strerror(errno)); ERROR( "Unable to connect to socket '%s': %s", address.sun_path, strerror(errno));
return -1; return -1;
} }
LOG( "Socket %s is created successfully", path); LOG( "Socket %s is created successfully", sock_path);
return fd; return fd;
} }
static int mk_socket() static int mk_socket()
{ {
struct sockaddr_un address; struct sockaddr_un address;
char path[sizeof(address.sun_path)];
(void)snprintf(path, sizeof(address.sun_path), "%s/%s", __plugin__.tmpdir, SOCKET_NAME);
address.sun_family = AF_UNIX; address.sun_family = AF_UNIX;
// create the socket // create the socket
(void)snprintf(path, sizeof(address.sun_path), "%s/%s", __plugin__.tmpdir, SOCKET_NAME); (void)strncpy(address.sun_path, sock_path, sizeof(address.sun_path));
(void)strncpy(address.sun_path, path, sizeof(address.sun_path));
int fd = socket(AF_UNIX, SOCK_STREAM, 0); int fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) if (fd == -1)
{ {
@ -82,231 +77,247 @@ static int mk_socket()
// mark the socket as passive mode // mark the socket as passive mode
if (listen(fd, 500) == -1) if (listen(fd, 500) == -1)
{ {
ERROR("Unable to listen to socket: %d (%s): %s", fd, path, strerror(errno)); ERROR("Unable to listen to socket: %d (%s): %s", fd, sock_path, strerror(errno));
return -1; return -1;
} }
LOG("Socket %s is created successfully: %d", path, fd); LOG("Socket %s is created successfully: %d", sock_path, fd);
return fd; return fd;
} }
static void lua_serve() static void lua_serve()
{ {
void* core = NULL; void* core = NULL;
void* lua_handle = NULL; void* lua_handle = NULL;
void *(*handle_fn)(void*); void *(*handle_fn)(void*);
char path[BUFFLEN]; char path[BUFFLEN];
char* error; char* error;
(void)snprintf(path, BUFFLEN, "%s/lua/core.so", __plugin__.pdir); (void)snprintf(path, BUFFLEN, "%s/lua/core.so", __plugin__.pdir);
core = dlopen(path, RTLD_NOW| RTLD_GLOBAL); core = dlopen(path, RTLD_NOW| RTLD_GLOBAL);
if(!core) if(!core)
{ {
ERROR("Cannot load Lua core: %s", dlerror()); ERROR("Cannot load Lua core: %s", dlerror());
return; return;
} }
LOG("Lua core loaded"); // now load the handle
// now load the handle (void)snprintf(path, BUFFLEN, "%s/lua/handle.so", __plugin__.pdir);
(void)snprintf(path, BUFFLEN, "%s/lua/handle.so", __plugin__.pdir); lua_handle = dlopen(path, RTLD_LAZY);
lua_handle = dlopen(path, RTLD_LAZY); if(!lua_handle)
if(!lua_handle) {
{ ERROR("Cannot load lua_handle: %s", dlerror());
ERROR("Cannot load lua_handle: %s", dlerror()); return;
return; }
} // find the fn
// find the fn handle_fn = (void *(*)(void*))dlsym(lua_handle, LUA_HDL_FN);
handle_fn = (void *(*)(void*))dlsym(lua_handle, LUA_HDL_FN); if ((error = dlerror()) != NULL)
if ((error = dlerror()) != NULL) {
{ ERROR("Problem when finding %s method from handle : %s", LUA_HDL_FN, error);
ERROR("Problem when finding %s method from handle : %s", LUA_HDL_FN, error); handle_fn = NULL;
handle_fn = NULL; return;
return; }
} int socket = mk_socket();
int socket = mk_socket(); if(socket != -1)
if(socket != -1) {
{ int fd;
int fd; if (setsockopt(socket, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) == -1)
if (setsockopt(socket, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) == -1) {
ERROR("Unable to set reuse address on %d - setsockopt: %s", socket, strerror(errno));
}
LOG("LUA server online");
/*set log level*/
const char * enable_debug = getenv("ANTD_DEBUG");
int log_level = LOG_ERR;
if(enable_debug)
{ {
ERROR("Unable to set reuse address on %d - setsockopt: %s", socket, strerror(errno)); if(atoi(enable_debug))
{
LOG("LUA Debug is enabled");
log_level = LOG_NOTICE;
}
} }
while((fd = accept(socket, NULL, NULL)) > 0) setlogmask(LOG_UPTO(log_level));
{ while((fd = accept(socket, NULL, NULL)) > 0)
pthread_t thread; {
lua_thread_data_t* data = (lua_thread_data_t*)malloc(sizeof(lua_thread_data_t)); pthread_t thread;
data->__plugin__ = &__plugin__; lua_thread_data_t* data = (lua_thread_data_t*)malloc(sizeof(lua_thread_data_t));
data->fd = fd; data->__plugin__ = &__plugin__;
set_nonblock(fd); data->fd = fd;
if (pthread_create(&thread, NULL, (void *(*)(void*))handle_fn, (void *)data) != 0) set_nonblock(fd);
{ if (pthread_create(&thread, NULL, (void *(*)(void*))handle_fn, (void *)data) != 0)
ERROR("pthread_create: cannot create lua thread: %s", strerror(errno)); {
(void)close(fd); ERROR("pthread_create: cannot create lua thread: %s", strerror(errno));
} (void)close(fd);
else }
{ else
LOG("Serve thread created for %d", fd); {
pthread_detach(thread); LOG("Serve thread created for %d", fd);
} pthread_detach(thread);
}
} }
if (fd < 0) if (fd < 0)
{ {
ERROR("Unable to accept the new connection: %s", strerror(errno)); ERROR("Unable to accept the new connection: %s", strerror(errno));
} }
} }
if(core) if(core)
(void)dlclose(core); (void)dlclose(core);
if(lua_handle) if(lua_handle)
(void)dlclose(lua_handle); (void)dlclose(lua_handle);
LOG("lua_serve: stop serve due to error"); LOG("lua_serve: stop serve due to error");
} }
void init() void init()
{ {
use_raw_body(); (void)snprintf(sock_path, sizeof(sock_path), "%s/%s", __plugin__.tmpdir, SOCKET_NAME);
pid = fork(); LOG("Lua socket will be stored in %s", sock_path);
if (pid == 0) pid = fork();
if (pid == 0)
{ {
// child // child
lua_serve(); lua_serve();
} }
// parent LOG("Lua module initialized");
LOG("Lua module initialized");
} }
static void push_dict_to_socket(antd_client_t* cl, char* name, char* parent_name, dictionary_t d) static void push_dict_to_socket(antd_client_t* cl, char* name, char* parent_name, dictionary_t d)
{ {
antd_send(cl,name, strlen(name)); antd_send(cl,name, strlen(name));
antd_send(cl,"\n", 1); antd_send(cl,"\n", 1);
chain_t as; chain_t as;
if(d) if(d)
for_each_assoc(as, d) for_each_assoc(as, d)
{ {
if(EQU(as->key,"COOKIE") || EQU(as->key,"REQUEST_HEADER") || EQU(as->key,"REQUEST_DATA") ) if(EQU(as->key,"COOKIE") || EQU(as->key,"REQUEST_HEADER") || EQU(as->key,"REQUEST_DATA") )
push_dict_to_socket(cl, as->key, name, (dictionary_t)as->value); push_dict_to_socket(cl, as->key, name, (dictionary_t)as->value);
else if(as->value) else if(as->value)
{ {
antd_send(cl,as->key, strlen(as->key)); antd_send(cl,as->key, strlen(as->key));
antd_send(cl,"\n", 1); antd_send(cl,"\n", 1);
antd_send(cl,as->value, strlen(as->value)); antd_send(cl,as->value, strlen(as->value));
antd_send(cl,"\n", 1); antd_send(cl,"\n", 1);
} }
} }
antd_send(cl,parent_name, strlen(parent_name)); antd_send(cl,parent_name, strlen(parent_name));
antd_send(cl,"\n", 1); antd_send(cl,"\n", 1);
} }
static void *process(void *data) static void *process(void *data)
{ {
fd_set fd_in; fd_set fd_in;
antd_request_t *rq = (antd_request_t *)data; antd_request_t *rq = (antd_request_t *)data;
antd_client_t* cl = (antd_client_t* ) dvalue(rq->request, "LUA_CL_DATA"); antd_client_t* cl = (antd_client_t* ) dvalue(rq->request, "LUA_CL_DATA");
struct timeval timeout; struct timeval timeout;
timeout.tv_sec = 0; timeout.tv_sec = 0;
timeout.tv_usec = PROCESS_TIMEOUT; timeout.tv_usec = PROCESS_TIMEOUT;
FD_ZERO(&fd_in); FD_ZERO(&fd_in);
FD_SET(rq->client->sock, &fd_in); FD_SET(rq->client->sock, &fd_in);
FD_SET(cl->sock, &fd_in); FD_SET(cl->sock, &fd_in);
int max_fdm = rq->client->sock > cl->sock ? rq->client->sock : cl->sock; int max_fdm = rq->client->sock > cl->sock ? rq->client->sock : cl->sock;
int rc = select(max_fdm + 1, &fd_in, NULL, NULL, &timeout); int rc = select(max_fdm + 1, &fd_in, NULL, NULL, &timeout);
antd_task_t* task; antd_task_t* task;
uint8_t buff[BUFFLEN]; uint8_t buff[BUFFLEN];
int ret; int ret;
switch (rc) switch (rc)
{ {
case -1: case -1:
ERROR("Error on select(): %s", strerror(errno)); ERROR("Error on select(): %s", strerror(errno));
close(cl->sock); antd_close(cl);
return antd_create_task(NULL, data, NULL, rq->client->last_io); dput(rq->request, "LUA_CL_DATA", NULL);
case 0: return antd_create_task(NULL, data, NULL, rq->client->last_io);
// time out case 0:
task = antd_create_task(process, (void *)rq, NULL, time(NULL)); // time out
//antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE); task = antd_create_task(process, (void *)rq, NULL, time(NULL));
//antd_task_bind_event(task, cl->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE); //antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE);
return task; //antd_task_bind_event(task, cl->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE);
// we have data return task;
default: // we have data
// If data is on webserver default:
if (FD_ISSET(rq->client->sock, &fd_in)) // If data is on webserver
{ if (FD_ISSET(rq->client->sock, &fd_in))
while((ret = antd_recv_upto(rq->client,buff, BUFFLEN)) > 0) {
{ while((ret = antd_recv_upto(rq->client,buff, BUFFLEN)) > 0)
LOG("Receive %d bytes from antd ", ret); {
// write data to the other side // write data to the other side
if(antd_send(cl,buff, ret) != ret) if(antd_send(cl,buff, ret) != ret)
{ {
ERROR("Error atnd_send(): %s", strerror(errno)); ERROR("Error on atnd_send(): %s", strerror(errno));
close(cl->sock); antd_close(cl);
return antd_create_task(NULL, data, NULL, rq->client->last_io); dput(rq->request, "LUA_CL_DATA", NULL);
} return antd_create_task(NULL, data, NULL, rq->client->last_io);
} }
if(ret <= 0) }
{ if(ret < 0)
ERROR("Error antd_recv_upto() on %d: %s",rq->client->sock, strerror(errno)); {
close(cl->sock); LOG("antd_recv_upto() on %d: %s",rq->client->sock, strerror(errno));
return antd_create_task(NULL, data, NULL, rq->client->last_io); antd_close(cl);
} dput(rq->request, "LUA_CL_DATA", NULL);
} return antd_create_task(NULL, data, NULL, rq->client->last_io);
else if(FD_ISSET(cl->sock, &fd_in)) }
{ }
while((ret = antd_recv_upto(cl,buff, BUFFLEN)) > 0) else if(FD_ISSET(cl->sock, &fd_in))
{ {
LOG("Receive %d bytes from LUA %d", ret, cl->sock); while((ret = antd_recv_upto(cl,buff, BUFFLEN)) > 0)
// write data to the other side {
if(antd_send(rq->client,buff, ret) != ret) // write data to the other side
{ if(antd_send(rq->client,buff, ret) != ret)
ERROR("Error atnd_send(): %s", strerror(errno)); {
close(cl->sock); ERROR("Error atnd_send(): %s", strerror(errno));
return antd_create_task(NULL, data, NULL, rq->client->last_io); antd_close(cl);
} dput(rq->request, "LUA_CL_DATA", NULL);
} return antd_create_task(NULL, data, NULL, rq->client->last_io);
if(ret < 0) }
{ }
ERROR("Error antd_recv_upto() on %d: %s", cl->sock, strerror(errno)); if(ret < 0)
close(cl->sock); {
return antd_create_task(NULL, data, NULL, rq->client->last_io); LOG("antd_recv_upto() on %d: %s", cl->sock, strerror(errno));
} antd_close(cl);
} dput(rq->request, "LUA_CL_DATA", NULL);
task = antd_create_task(process, (void *)rq, NULL, time(NULL)); return antd_create_task(NULL, data, NULL, rq->client->last_io);
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE); }
antd_task_bind_event(task, cl->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE); }
return task; task = antd_create_task(process, (void *)rq, NULL, time(NULL));
} antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE);
antd_task_bind_event(task, cl->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE);
return task;
}
} }
void* handle(void* data) void* handle(void* data)
{ {
antd_request_t *rq = (antd_request_t *)data; antd_request_t *rq = (antd_request_t *)data;
// connect to socket // connect to socket
int fd = open_unix_socket(); int fd = open_unix_socket();
if(fd < 0) if(fd < 0)
{ {
antd_error(rq->client, 503, "Service unavailable"); antd_error(rq->client, 503, "Service unavailable");
return antd_create_task(NULL, data, NULL, rq->client->last_io); return antd_create_task(NULL, data, NULL, rq->client->last_io);
} }
LOG("Connected to lua server at %d", fd); LOG("Connected to lua server at %d", fd);
set_nonblock(fd); set_nonblock(fd);
// write all header to lua // write all header to lua
antd_client_t* cl = (antd_client_t*) malloc(sizeof(antd_client_t)); antd_client_t* cl = (antd_client_t*) malloc(sizeof(antd_client_t));
(void)memset(cl, 0, sizeof(antd_client_t)); (void)memset(cl, 0, sizeof(antd_client_t));
cl->sock = fd; cl->sock = fd;
time(&cl->last_io); time(&cl->last_io);
cl->ssl = NULL; cl->ssl = NULL;
cl->state = ANTD_CLIENT_PLUGIN_EXEC; cl->state = ANTD_CLIENT_PLUGIN_EXEC;
cl->z_status = 0; cl->z_status = 0;
cl->z_level = ANTD_CNONE; cl->z_level = ANTD_CNONE;
cl->zstream = NULL; cl->zstream = NULL;
push_dict_to_socket(cl, "request","HTTP_REQUEST", rq->request); rq->client->z_level = ANTD_CNONE;
antd_send(cl,"\r\n", 2); push_dict_to_socket(cl, "request","HTTP_REQUEST", rq->request);
dput(rq->request, "LUA_CL_DATA", cl); antd_send(cl,"\r\n", 2);
antd_task_t* task = antd_create_task(process, (void *)rq, NULL, time(NULL)); dput(rq->request, "LUA_CL_DATA", cl);
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE); antd_task_t* task = antd_create_task(process, (void *)rq, NULL, time(NULL));
antd_task_bind_event(task, fd, 0, TASK_EVT_ON_READABLE); antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_WRITABLE | TASK_EVT_ON_READABLE);
return task; antd_task_bind_event(task, fd, 0, TASK_EVT_ON_READABLE);
return task;
} }
void destroy() void destroy()
{ {
if(pid > 0) if(pid > 0)
{ {
kill(pid, SIGKILL); kill(pid, SIGHUP);
} }
LOG("Exit LUA Handle"); LOG("Exit LUA Handle");
} }