blob: 8fec0ca59f26ae36caf59f70dafbdd0ad95cb019 [file] [log] [blame]
Patrick Williamsb48b7b42016-08-17 15:04:38 -05001From c2782a6ca968190e221c25b0890600ba8cd43798 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Fri, 23 Oct 2015 00:23:15 -0700
4Subject: [PATCH] libsinsp: Port to build with lua >= 5.2
5
6Signed-off-by: Khem Raj <raj.khem@gmail.com>
7---
8 userspace/libsinsp/chisel.cpp | 40 +++++++++++++++++++++++++++++-----------
9 1 file changed, 29 insertions(+), 11 deletions(-)
10
11diff --git a/userspace/libsinsp/chisel.cpp b/userspace/libsinsp/chisel.cpp
12index 3cfbd8d..2db9348 100644
13--- a/userspace/libsinsp/chisel.cpp
14+++ b/userspace/libsinsp/chisel.cpp
15@@ -94,7 +94,7 @@ void lua_stackdump(lua_State *L)
16 // Lua callbacks
17 ///////////////////////////////////////////////////////////////////////////////
18 #ifdef HAS_LUA_CHISELS
19-const static struct luaL_reg ll_sysdig [] =
20+const static struct luaL_Reg ll_sysdig [] =
21 {
22 {"set_filter", &lua_cbacks::set_global_filter},
23 {"set_snaplen", &lua_cbacks::set_snaplen},
24@@ -120,7 +120,7 @@ const static struct luaL_reg ll_sysdig [] =
25 {NULL,NULL}
26 };
27
28-const static struct luaL_reg ll_chisel [] =
29+const static struct luaL_Reg ll_chisel [] =
30 {
31 {"request_field", &lua_cbacks::request_field},
32 {"set_filter", &lua_cbacks::set_filter},
33@@ -131,7 +131,7 @@ const static struct luaL_reg ll_chisel [] =
34 {NULL,NULL}
35 };
36
37-const static struct luaL_reg ll_evt [] =
38+const static struct luaL_Reg ll_evt [] =
39 {
40 {"field", &lua_cbacks::field},
41 {"get_num", &lua_cbacks::get_num},
42@@ -853,10 +853,28 @@ bool sinsp_chisel::parse_view_info(lua_State *ls, OUT chisel_desc* cd)
43
44
45 #ifdef HAS_LUA_CHISELS
46+static void chisel_lua_registerlib(lua_State *L, const char *libname,
47+ const luaL_Reg *l, int ind)
48+{
49+#if LUA_VERSION_NUM >= 502
50+ if (libname)
51+ {
52+ lua_newtable(L);
53+ luaL_setfuncs(L, l, ind);
54+ lua_pushvalue(L, -1);
55+ lua_setglobal(L, libname);
56+ }
57+ else
58+ luaL_setfuncs(L, l, ind);
59+#else
60+ luaL_register(L, libname, l);
61+#endif
62+}
63+
64 // Initializes a lua chisel
65 bool sinsp_chisel::init_lua_chisel(chisel_desc &cd, string const &fpath)
66 {
67- lua_State* ls = lua_open();
68+ lua_State* ls = luaL_newstate();
69 if(ls == NULL)
70 {
71 return false;
72@@ -867,9 +885,9 @@ bool sinsp_chisel::init_lua_chisel(chisel_desc &cd, string const &fpath)
73 //
74 // Load our own lua libs
75 //
76- luaL_openlib(ls, "sysdig", ll_sysdig, 0);
77- luaL_openlib(ls, "chisel", ll_chisel, 0);
78- luaL_openlib(ls, "evt", ll_evt, 0);
79+ chisel_lua_registerlib(ls, "sysdig", ll_sysdig, 0);
80+ chisel_lua_registerlib(ls, "chisel", ll_chisel, 0);
81+ chisel_lua_registerlib(ls, "evt", ll_evt, 0);
82
83 //
84 // Add our chisel paths to package.path
85@@ -1111,16 +1129,16 @@ void sinsp_chisel::load(string cmdstr)
86 //
87 // Open the script
88 //
89- m_ls = lua_open();
90+ m_ls = luaL_newstate();
91
92 luaL_openlibs(m_ls);
93
94 //
95 // Load our own lua libs
96 //
97- luaL_openlib(m_ls, "sysdig", ll_sysdig, 0);
98- luaL_openlib(m_ls, "chisel", ll_chisel, 0);
99- luaL_openlib(m_ls, "evt", ll_evt, 0);
100+ chisel_lua_registerlib(m_ls, "sysdig", ll_sysdig, 0);
101+ chisel_lua_registerlib(m_ls, "chisel", ll_chisel, 0);
102+ chisel_lua_registerlib(m_ls, "evt", ll_evt, 0);
103
104 //
105 // Add our chisel paths to package.path
106--
1072.6.2
108