From 0853d10684bea94a447a231ab5cfdb1a2258cfad Mon Sep 17 00:00:00 2001 From: sirlilpanda Date: Fri, 29 May 2026 09:51:27 +1200 Subject: [PATCH] init --- .gitignore | 3 + README.md | 0 build.zig | 44 +++++++ build.zig.zon | 48 ++++++++ src/main.zig | 331 ++++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 426 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 build.zig create mode 100644 build.zig.zon create mode 100644 src/main.zig diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..7e28a89 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +.zig-cache/ +zig-out/ +zig-pkg/ \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29 diff --git a/build.zig b/build.zig new file mode 100644 index 0000000..6bb7afc --- /dev/null +++ b/build.zig @@ -0,0 +1,44 @@ +const std = @import("std"); + +pub fn build(b: *std.Build) void { + const target = b.standardTargetOptions(.{}); + const optimize = b.standardOptimizeOption(.{}); + + const iface = b.dependency("interface_helper", .{ + .target = target, + .optimize = optimize, + }); + + const exe = b.addExecutable(.{ + .name = "zig_webserver", + .root_module = b.createModule(.{ + .root_source_file = b.path("src/main.zig"), + .target = target, + .optimize = optimize, + .imports = &.{}, + }), + }); + + exe.root_module.addImport("interface", iface.module("interface")); + b.installArtifact(exe); + + const run_step = b.step("run", "Run the app"); + + const run_cmd = b.addRunArtifact(exe); + run_step.dependOn(&run_cmd.step); + + run_cmd.step.dependOn(b.getInstallStep()); + + if (b.args) |args| { + run_cmd.addArgs(args); + } + + const exe_tests = b.addTest(.{ + .root_module = exe.root_module, + }); + + const run_exe_tests = b.addRunArtifact(exe_tests); + + const test_step = b.step("test", "Run tests"); + test_step.dependOn(&run_exe_tests.step); +} diff --git a/build.zig.zon b/build.zig.zon new file mode 100644 index 0000000..6a8bde8 --- /dev/null +++ b/build.zig.zon @@ -0,0 +1,48 @@ +.{ + // This is the default name used by packages depending on this one. For + // example, when a user runs `zig fetch --save `, this field is used + // as the key in the `dependencies` table. Although the user can choose a + // different name, most users will stick with this provided value. + // + // It is redundant to include "zig" in this name because it is already + // within the Zig package namespace. + .name = .zig_webserver, + // This is a [Semantic Version](https://semver.org/). + // In a future version of Zig it will be used for package deduplication. + .version = "0.0.0", + // Together with name, this represents a globally unique package + // identifier. This field is generated by the Zig toolchain when the + // package is first created, and then *never changes*. This allows + // unambiguous detection of one package being an updated version of + // another. + // + // When forking a Zig project, this id should be regenerated (delete the + // field and run `zig build`) if the upstream project is still maintained. + // Otherwise, the fork is *hostile*, attempting to take control over the + // original project's identity. Thus it is recommended to leave the comment + // on the following line intact, so that it shows up in code reviews that + // modify the field. + .fingerprint = 0xf09b7d9dd5d3c2c7, // Changing this has security and trust implications. + // Tracks the earliest Zig version that the package considers to be a + // supported use case. + .minimum_zig_version = "0.16.0", + // This field is optional. + // Each dependency must either provide a `url` and `hash`, or a `path`. + // `zig build --fetch` can be used to fetch all dependencies of a package, recursively. + // Once all dependencies are fetched, `zig build` no longer requires + // internet connectivity. + .dependencies = .{ + .interface_helper = .{ + .url = "git+https://git.sirlilpanda.studio/sirlilpanda/zig-interface-helpers#e64b016cfcefe93ede5eddd626fd373454167cbe", + .hash = "interface_helper-0.0.0--QUDPAtEAACFt9ZNHCzvbqGvgQgChObxyLSyA2bHWYK_", + }, + }, + .paths = .{ + "build.zig", + "build.zig.zon", + "src", + // For example... + //"LICENSE", + //"README.md", + }, +} diff --git a/src/main.zig b/src/main.zig new file mode 100644 index 0000000..fb1baf5 --- /dev/null +++ b/src/main.zig @@ -0,0 +1,331 @@ +const std = @import("std"); +const log = std.log.scoped(.server); +const iFace = @import("interface"); +const LISTEN_ADDR = "127.0.0.1"; +const LISTEN_PORT = 8000; + +const Route = struct { + const Request = *std.http.Server.Request; + const Self = @This(); + + userdata: *anyopaque, + vtable: *const Vtable, + + pub const Vtable = struct { + matchPath: *const iFace.VtableFn(fn (*anyopaque, []const u8) bool), + GET: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + POST: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + PUT: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + DELETE: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + HEAD: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + CONNECT: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + OPTIONS: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + TRACE: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + PATCH: *const iFace.VtableFn(fn (*anyopaque, std.Io, Request) anyerror!void), + }; + + pub fn init(route: anytype) Self { + return Self{ + .userdata = @ptrCast(route), + .vtable = &Vtable{ + .matchPath = iFace.ToVtableFn(@field(@TypeOf(route.*), "matchPath")), + .GET = iFace.ToVtableFn(@field(@TypeOf(route.*), "GET")), + .POST = iFace.ToVtableFn(@field(@TypeOf(route.*), "POST")), + .PUT = iFace.ToVtableFn(@field(@TypeOf(route.*), "PUT")), + .DELETE = iFace.ToVtableFn(@field(@TypeOf(route.*), "DELETE")), + .HEAD = iFace.ToVtableFn(@field(@TypeOf(route.*), "HEAD")), + .CONNECT = iFace.ToVtableFn(@field(@TypeOf(route.*), "CONNECT")), + .OPTIONS = iFace.ToVtableFn(@field(@TypeOf(route.*), "OPTIONS")), + .TRACE = iFace.ToVtableFn(@field(@TypeOf(route.*), "TRACE")), + .PATCH = iFace.ToVtableFn(@field(@TypeOf(route.*), "PATCH")), + }, + }; + } + + pub fn matchPath(self: Self, path: []const u8) bool { + return self.vtable.matchPath(.{ self.userdata, path }); + } + pub fn GET(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.GET(.{ self.userdata, io, request }); + } + pub fn POST(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.POST(.{ self.userdata, io, request }); + } + pub fn PUT(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.PUT(.{ self.userdata, io, request }); + } + pub fn DELETE(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.DELETE(.{ self.userdata, io, request }); + } + pub fn HEAD(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.HEAD(.{ self.userdata, io, request }); + } + pub fn CONNECT(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.CONNECT(.{ self.userdata, io, request }); + } + pub fn OPTIONS(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.OPTIONS(.{ self.userdata, io, request }); + } + pub fn TRACE(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.TRACE(.{ self.userdata, io, request }); + } + pub fn PATCH(self: Self, io: std.Io, request: Request) anyerror!void { + return self.vtable.PATCH(.{ self.userdata, io, request }); + } +}; + +const UsersRoute = struct { + const Self = @This(); + const UsersRouteLog = std.log.scoped(.userRoute); + + users: std.ArrayList([]const u8), + mutex: std.Io.Mutex, // dont forget the mutex + + pub fn init() !Self { + return Self{ + .users = .empty, + .mutex = undefined, + }; + } + + pub fn matchPath(self: Self, path: []const u8) bool { + _ = self; + return std.mem.startsWith(u8, "/users/", path); + } + + pub fn GET(self: *Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got GET request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + + pub fn PUT(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got PUT request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + + pub fn DELETE(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got DELETE request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + + pub fn POST(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got POST request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn HEAD(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got HEAD request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn CONNECT(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got CONNECT request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn OPTIONS(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got OPTIONS request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn TRACE(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got TRACE request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn PATCH(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + UsersRouteLog.info("got PATCH request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + + pub fn ERR(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + try request.respond("", .{ .status = .not_found }); + } +}; + +const HomeRoute = struct { + const Self = @This(); + const homeRouteLog = std.log.scoped(.homeRoute); + site_name: []const u8, + + pub fn init(name: []const u8) !Self { + return Self{ + .site_name = name, + }; + } + + pub fn matchPath(self: Self, path: []const u8) bool { + _ = self; + return std.mem.eql(u8, "/", path); + } + + pub fn GET(self: *Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got GET request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn PUT(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got PUT request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn DELETE(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got DELETE request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn POST(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got POST request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn HEAD(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got HEAD request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn CONNECT(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got CONNECT request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn OPTIONS(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got OPTIONS request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn TRACE(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got TRACE request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn PATCH(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + homeRouteLog.info("got PATCH request", .{}); + try request.respond("", .{ .status = .not_found }); + return; + } + pub fn ERR(self: Self, io: std.Io, request: *std.http.Server.Request) !void { + _ = self; + _ = io; + try request.respond("", .{ .status = .not_found }); + } +}; + +const Router = struct { + const Self = @This(); + + // will change this later to be just an array + // with some custom path parsing code + routes: []Route, + + pub fn processConnection(self: *Self, io: std.Io, stream: *std.Io.net.Stream) !void { + // Wrap the raw stream in buffered Io.Reader / Io.Writer + errdefer stream.close(io); + + var read_buffer: [1024]u8 = undefined; + var write_buffer: [1024]u8 = undefined; + var reader = stream.reader(io, &read_buffer); + var writer = stream.writer(io, &write_buffer); + + // HTTP layer: parse the byte stream at HTTP/1.1 + var http_server = std.http.Server.init(&reader.interface, &writer.interface); + + var req = try http_server.receiveHead(); + log.info("method : {s} target : \"{s}\"", .{ @tagName(req.head.method), req.head.target }); + + for (self.routes) |route| { + if (route.matchPath(req.head.target)) { + switch (req.head.method) { + .GET => try route.GET(io, &req), + .HEAD => try route.HEAD(io, &req), + .POST => try route.POST(io, &req), + .PUT => try route.PUT(io, &req), + .DELETE => try route.DELETE(io, &req), + .CONNECT => try route.CONNECT(io, &req), + .OPTIONS => try route.OPTIONS(io, &req), + .TRACE => try route.TRACE(io, &req), + .PATCH => try route.PATCH(io, &req), + } + log.info("Response sent, closing connection", .{}); + return; + } + } + + log.info("no path found, closing connection", .{}); + try req.respond("", .{ .status = .not_found }); + stream.close(io); + } +}; + +pub fn main(init: std.process.Init) !void { + var home_route = try HomeRoute.init("sir-pandas-site"); + var user_route = try UsersRoute.init(); + + // const home_route_route = home_route.toRoute(); + var routes = [_]Route{ + Route.init(&home_route), + Route.init(&user_route), + }; + + var router = Router{ .routes = routes[0..] }; + + // std.debug.print("route {any}\n", .{home_route_route}); + log.info("Listening on http://{s}:{d}", .{ LISTEN_ADDR, LISTEN_PORT }); + + // set the address and port + const addr = std.Io.net.IpAddress.parseIp4(LISTEN_ADDR, LISTEN_PORT) catch unreachable; + + // TCP layer: bind the port and accept the raw streams + var server = try addr.listen(init.io, .{ .reuse_address = true }); + defer server.deinit(init.io); + + while (true) { + log.info("Waiting for connection...", .{}); + var stream = try server.accept(init.io); + log.info("TCP connection established", .{}); + + _ = try init.io.concurrent(Router.processConnection, .{ &router, init.io, &stream }); + } +}