From 66e80f38d9a287e622101ac733fbee053b9c9b2e Mon Sep 17 00:00:00 2001
From: txthinking <cloud@txthinking.com>
Date: Fri, 27 Sep 2024 07:58:01 +0800
Subject: [PATCH] optimize boot network detection

---
 src/helper.zig |  6 +++++-
 src/main.zig   | 12 +++++++-----
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/helper.zig b/src/helper.zig
index 679e3e6..1cfdb26 100644
--- a/src/helper.zig
+++ b/src/helper.zig
@@ -10,7 +10,6 @@ const datetime = @import("datetime");
 var mutex = std.Thread.Mutex{};
 
 pub fn syslog(err: anyerror) void {
-    std.debug.print("{}\n", .{err});
     std.c.syslog(c.LOG_ERR, "zhen: %s", @as([*c]const u8, @errorName(err)));
 }
 
@@ -83,6 +82,11 @@ pub fn testNetwork(dns: []const u8) !void {
     const addr = try std.net.Address.parseIp6(dns, 53);
     const s = try std.posix.socket(std.posix.AF.INET6, std.posix.SOCK.DGRAM, std.posix.IPPROTO.UDP);
     defer std.posix.close(s);
+    const recv_timeout = std.posix.timeval{
+        .tv_sec = 3,
+        .tv_usec = 0,
+    };
+    try std.posix.setsockopt(s, std.posix.SOL.SOCKET, std.posix.SO.RCVTIMEO, &std.mem.toBytes(recv_timeout));
     try std.posix.connect(s, &addr.any, addr.getOsSockLen());
     const in = .{ 0x67, 0x88, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x74, 0x78, 0x74, 0x68, 0x69, 0x6e, 0x6b, 0x69, 0x6e, 0x67, 0x3, 0x63, 0x6f, 0x6d, 0x0, 0x0, 0x1c, 0x0, 0x1 };
     _ = try std.posix.send(s, &in, 0);
diff --git a/src/main.zig b/src/main.zig
index 1730e40..5e84b1a 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -5,6 +5,7 @@ const client = @import("./client.zig");
 
 pub fn main() void {
     _main() catch |err| {
+        std.debug.print("{}\n", .{err});
         helper.syslog(err);
         if (err == error.ConnectionRefused) {
             std.debug.print("z might not be running?\n", .{});
@@ -30,6 +31,7 @@ pub fn _main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
     defer {
         if (gpa.deinit() != .ok) {
+            std.debug.print("{}\n", .{error.MemoryLeak});
             helper.syslog(error.MemoryLeak);
         }
     }
@@ -58,7 +60,7 @@ pub fn _main() !void {
         \\
         \\    stop                              stop z daemon
         \\
-        \\v20240727 https://github.com/txthinking/z
+        \\v20240927 https://github.com/txthinking/z
         \\
         \\
     ;
@@ -149,10 +151,10 @@ pub fn _main() !void {
                     std.c.exit(-1);
                 }
                 _ = std.c.umask(0);
-                const n = helper.getdtablesize();
-                for (0..@intCast(n)) |i| {
-                    _ = std.c.close(@intCast(i));
-                }
+                // const n = std.c.sysconf(std.c.OPEN_MAX);
+                // for (0..@intCast(n)) |i| {
+                //     _ = std.c.close(@intCast(i));
+                // }
                 var s = try Server.init(allocator);
                 defer s.deinit();
                 s.start() catch |err| {