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add multicast groups param to nellie.open

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This commit is contained in:
Daniel Barlow 2024-04-11 23:03:49 +01:00
parent f233acf9ff
commit f3a13630d3
2 changed files with 10 additions and 2 deletions
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10
pkgs/nellie/nellie.c
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@ -44,10 +44,18 @@ static int l_open_socket(lua_State *L) {
memset(&sa, 0, sizeof(sa)); memset(&sa, 0, sizeof(sa));
sa.nl_family = AF_NETLINK; sa.nl_family = AF_NETLINK;
sa.nl_pid = getpid(); sa.nl_pid = getpid();
sa.nl_groups = 4; /* rebroadcasts from mdevd */
if(lua_isnumber(L, 1)) {
sa.nl_groups = lua_tointeger(L, 1);
lua_pop(L, 1);
}
else {
sa.nl_groups = 4; /* group 4 is rebroadcasts from mdevd */
}
if(bind(netlink_fd, (struct sockaddr *) &sa, sizeof(sa))==0) { if(bind(netlink_fd, (struct sockaddr *) &sa, sizeof(sa))==0) {
lua_newtable(L); lua_newtable(L);
lua_pushliteral(L, "fileno"); lua_pushliteral(L, "fileno");
lua_pushinteger(L, netlink_fd); lua_pushinteger(L, netlink_fd);
lua_settable(L, 1); lua_settable(L, 1);

2
pkgs/nellie/test.lua
View file

@ -1,5 +1,5 @@
local nellie = require('nellie') local nellie = require('nellie')
print('dfg') print('dfg')
local f = nellie.open() local f = nellie.open(2)
print(string.byte(f:read(1000), 0, 60)) print(string.byte(f:read(1000), 0, 60))