aboutsummaryrefslogtreecommitdiff
path: root/src/http/serve.zig
blob: 587f4a36f2ab6dcae3a1945e111a1203d60424c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
const std = @import("std");

const RouteSet = @import("RouteSet.zig");

pub fn serve(
    gpa: std.mem.Allocator,
    comptime routes: RouteSet,
    address: std.Io.net.IpAddress,
) !void {
    var threaded: std.Io.Threaded = .init(gpa, .{});
    var group: std.Io.Group = .init;
    const io = threaded.io();
    var server = try address.listen(io, .{ .reuse_address = true });

    while (true) {
        const stream = try server.accept(io);
        group.async(io, handle, .{ io, gpa, stream, &routes });
    }
}

pub fn handle(
    io: std.Io,
    gpa: std.mem.Allocator,
    stream: std.Io.net.Stream,
    routes: *const RouteSet,
) void {
    var read_buffer: [1024 * 8]u8 = undefined;
    var write_buffer: [1024 * 8]u8 = undefined;

    defer stream.close(io);

    var arena: std.heap.ArenaAllocator = .init(gpa);
    defer arena.deinit();

    var reader = stream.reader(io, &read_buffer);
    var writer = stream.writer(io, &write_buffer);

    var server: std.http.Server = .init(&reader.interface, &writer.interface);
    var request = server.receiveHead() catch |e| {
        std.debug.print("error: {}\n", .{e});
        return;
    };

    std.debug.print("{s} {s}\n", .{ @tagName(request.head.method), request.head.target });

    if (routes.getInterface(request.head.target)) |interface| {
        const message = interface.handle(gpa, arena.allocator(), io, &request);
        message.send(io, &request) catch return;
    } else {
        request.respond("", .{ .status = .not_found }) catch return;
    }
}