57 lines
1.7 KiB
Zig
57 lines
1.7 KiB
Zig
// Zig HTTP server — equivalent to 32-http-server.sx
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// Single-threaded, blocking, static response. Raw C sockets.
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const std = @import("std");
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const c = @cImport({
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@cInclude("sys/socket.h");
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@cInclude("netinet/in.h");
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@cInclude("unistd.h");
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});
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const body = "<html><body><h1>Hello from zig!</h1></body></html>";
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const response = "HTTP/1.1 200 OK\r\n" ++
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"Content-Type: text/html\r\n" ++
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"Connection: close\r\n" ++
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std.fmt.comptimePrint("Content-Length: {d}\r\n", .{body.len}) ++
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"\r\n" ++ body;
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pub fn main() !void {
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const port: u16 = 8081;
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const fd = c.socket(c.AF_INET, c.SOCK_STREAM, 0);
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if (fd < 0) return error.SocketFailed;
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var opt: c_int = 1;
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_ = c.setsockopt(fd, c.SOL_SOCKET, c.SO_REUSEADDR, &opt, @sizeOf(c_int));
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var addr: c.struct_sockaddr_in = std.mem.zeroes(c.struct_sockaddr_in);
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addr.sin_len = @sizeOf(c.struct_sockaddr_in);
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addr.sin_family = c.AF_INET;
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addr.sin_port = std.mem.nativeToBig(u16, port);
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addr.sin_addr.s_addr = 0;
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if (c.bind(fd, @ptrCast(&addr), @sizeOf(c.struct_sockaddr_in)) < 0)
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return error.BindFailed;
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if (c.listen(fd, 10) < 0)
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return error.ListenFailed;
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std.debug.print("listening on http://localhost:{d}\n", .{port});
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var count: u64 = 0;
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while (true) {
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const client = c.accept(fd, null, null);
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if (client < 0) continue;
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var buf: [4096]u8 = undefined;
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_ = c.read(client, &buf, buf.len);
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_ = c.write(client, response.ptr, response.len);
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_ = c.close(client);
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count += 1;
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if (count % 10000 == 0) {
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std.debug.print("[http] served {d} requests\n", .{count});
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}
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}
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}
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