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websocket: use Unix socket for internal server

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And add an option for TCP only server

Signed-off-by: Francis Bouvier <francis@lightpanda.io>
This commit is contained in:
Francis Bouvier
2024-11-27 21:16:16 +01:00
parent 27b50c46c3
commit 8449d5ab22
3 changed files with 49 additions and 25 deletions
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18
src/server.zig
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@@ -518,21 +518,29 @@ fn setSockOpt(fd: std.posix.socket_t, level: i32, option: u32, value: c_int) !vo
try std.posix.setsockopt(fd, level, option, &std.mem.toBytes(value));
}
fn isUnixSocket(addr: std.net.Address) bool {
return addr.any.family == std.posix.AF.UNIX;
}
pub fn listen(address: std.net.Address) !std.posix.socket_t {
// create socket
const flags = std.posix.SOCK.STREAM | std.posix.SOCK.CLOEXEC | std.posix.SOCK.NONBLOCK;
const sockfd = try std.posix.socket(address.any.family, flags, std.posix.IPPROTO.TCP);
const proto = if (isUnixSocket(address)) @as(u32, 0) else std.posix.IPPROTO.TCP;
const sockfd = try std.posix.socket(address.any.family, flags, proto);
errdefer std.posix.close(sockfd);
// socket options
try setSockOpt(sockfd, std.posix.SOL.SOCKET, std.posix.SO.REUSEADDR, 1);
if (@hasDecl(std.posix.SO, "REUSEPORT")) {
try setSockOpt(sockfd, std.posix.SOL.SOCKET, std.posix.SO.REUSEPORT, 1);
} else {
try setSockOpt(sockfd, std.posix.SOL.SOCKET, std.posix.SO.REUSEADDR, 1);
}
if (builtin.target.os.tag == .linux) { // posix.TCP not available on MacOS
// WARNING: disable Nagle's alogrithm to avoid latency issues
try setSockOpt(sockfd, std.posix.IPPROTO.TCP, std.posix.TCP.NODELAY, 1);
if (!isUnixSocket(address)) {
if (builtin.target.os.tag == .linux) { // posix.TCP not available on MacOS
// WARNING: disable Nagle's alogrithm to avoid latency issues
try setSockOpt(sockfd, std.posix.IPPROTO.TCP, std.posix.TCP.NODELAY, 1);
}
}
// bind & listen