wip html returning on GET to route
This commit is contained in:
parent
c19af600f2
commit
70fbe8668b
61
build.zig
61
build.zig
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@ -1,5 +1,5 @@
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const std = @import("std");
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const std = @import("std");
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const htzx = @import("build/htzx_build.zig");
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pub fn build(b: *std.Build) !void {
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pub fn build(b: *std.Build) !void {
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const target = b.standardTargetOptions(.{});
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const optimize = b.standardOptimizeOption(.{});
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@ -37,63 +37,6 @@ pub fn build(b: *std.Build) !void {
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const test_step = b.step("test", "Run library tests");
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const test_step = b.step("test", "Run library tests");
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test_step.dependOn(&run_main_tests.step);
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test_step.dependOn(&run_main_tests.step);
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// // Setup comptime parsing for /lib files
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try htzx.build_htzx(b, exe);
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// var markup_files = std.ArrayList([]const u8).init(b.allocator);
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// var zig_files = std.ArrayList([]const u8).init(b.allocator);
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// defer markup_files.deinit();
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// defer zig_files.deinit();
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// var options = b.addOptions();
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// // Add all files names in the src folder to `files`
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// var iter_dir = try std.fs.cwd().openIterableDir("lib", .{});
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// var src_dir = try std.fs.cwd().openDir("src", .{});
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// var lib_walker = try iter_dir.walk(b.allocator);
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// var walking = true;
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// while (walking) blk: {
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// var file = lib_walker.next() catch {
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// walking = false;
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// break :blk;
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// };
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// if (file == null) {
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// walking = false;
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// break :blk;
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// }
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// if (file.?.kind == .file) {
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// const path = file.?.path;
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// var split_iter = std.mem.splitBackwardsAny(u8, path, ".");
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// var extension = split_iter.first();
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// if (std.mem.eql(u8, extension, "zig")) {
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// std.debug.print("Adding zig file {s}...\n", .{path});
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// try zig_files.append(b.dupe(path));
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// var arr: [50]u8 = undefined;
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// var buf = arr[0..];
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// var z_file_path = try std.fmt.bufPrint(buf, "lib/{s}", .{path});
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// var z_file = try std.fs.cwd().openFile(z_file_path, .{});
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// const zig_contents = try z_file.readToEndAlloc(b.allocator, 64000);
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// const index = std.mem.indexOf(u8, zig_contents, "pub fn post");
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// if (index) |i| {
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// std.debug.print("Found post endpoint in {s}\n", .{z_file_path});
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// var routes_file = try src_dir.createFile("routes.zig", .{});
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// _ = try routes_file.write(zig_contents[i..]);
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// std.debug.print("Wrote {s}... to routes.zig\n", .{zig_contents[0..10]});
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// }
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// }
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// else if (std.mem.eql(u8, extension, "html")) {
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// std.debug.print("Adding markup file {s}...\n", .{path});
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// try markup_files.append(b.dupe(path));
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// } else {
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// std.debug.print("Unrecognized file extension {s}\t{s}\n", .{extension, path});
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// }
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// }
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// // std.debug.print("Got entry in `versions:` base: {s}, path: {s}, kind: {any}\n", .{ ver.?.basename, ver.?.path, ver.?.kind });
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// }
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// // Add the file names as an option to the exe, making it available
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// // as a string array at comptime in main.zig
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// options.addOption([]const []const u8, "zig_files", zig_files.items);
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// options.addOption([]const []const u8, "markup_files", markup_files.items);
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// exe.addOptions("options", options);
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}
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}
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64
build/htzx_build.zig
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64
build/htzx_build.zig
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@ -0,0 +1,64 @@
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const std = @import("std");
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const log = std.log.scoped(.htzx_comp);
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pub fn build_htzx(b: *std.Build, exe: *std.Build.Step.Compile) !void {
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// Setup comptime parsing for /lib files
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var markup_files = std.ArrayList([]const u8).init(b.allocator);
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// var zig_files = std.ArrayList([]const u8).init(b.allocator);
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defer markup_files.deinit();
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// defer zig_files.deinit();
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var options = b.addOptions();
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// Add all files names in the src folder to `files`
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// var iter_dir = try std.fs.cwd().openIterableDir("lib", .{});
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const lib_dir_path = "src/lib/";
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var lib_dir = try std.fs.cwd().openIterableDir(lib_dir_path, .{});
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var lib_walker = try lib_dir.walk(b.allocator);
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var walking = true;
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while (walking) blk: {
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var file = lib_walker.next() catch {
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walking = false;
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break :blk;
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};
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if (file == null) {
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walking = false;
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break :blk;
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}
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if (file.?.kind == .file) {
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const relative_path = file.?.path;
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const file_path = try std.mem.concat(b.allocator, u8, &[_][]const u8{lib_dir_path, relative_path});
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var split_iter = std.mem.splitBackwardsAny(u8, relative_path, ".");
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var extension = split_iter.first();
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// if (std.mem.eql(u8, extension, "zig")) {
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// std.debug.print("Adding zig file {s}...\n", .{path});
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// try zig_files.append(b.dupe(path));
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// var arr: [50]u8 = undefined;
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// var buf = arr[0..];
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// var z_file_path = try std.fmt.bufPrint(buf, "lib/{s}", .{path});
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// var z_file = try std.fs.cwd().openFile(z_file_path, .{});
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// const zig_contents = try z_file.readToEndAlloc(b.allocator, 64000);
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// const index = std.mem.indexOf(u8, zig_contents, "pub fn post");
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// if (index) |i| {
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// std.debug.print("Found post endpoint in {s}\n", .{z_file_path});
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// var routes_file = try src_dir.createFile("routes.zig", .{});
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// _ = try routes_file.write(zig_contents[i..]);
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// std.debug.print("Wrote {s}... to routes.zig\n", .{zig_contents[0..10]});
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// }
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// } else
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if (std.mem.eql(u8, extension, "html")) {
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log.info("Adding html file {s}...", .{file_path});
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try markup_files.append(b.dupe(file_path));
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} else {
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log.info("Unrecognized file extension '.{s}'\t{s}", .{ extension, file_path });
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}
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}
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// std.debug.print("Got entry in `versions:` base: {s}, path: {s}, kind: {any}\n", .{ ver.?.basename, ver.?.path, ver.?.kind });
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}
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// Add the file names as an option to the exe, making it available
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// as a string array at comptime in main.zig
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// options.addOption([]const []const u8, "zig_files", zig_files.items);
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options.addOption([]const []const u8, "markup_files", markup_files.items);
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exe.addOptions("options", options);
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}
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17
src/htzx/utils.zig
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17
src/htzx/utils.zig
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@ -0,0 +1,17 @@
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const std = @import("std");
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const one_megabyte: usize = 1024 * 1024;
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const string = []const u8;
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// Caller owns the returned StringArrayHashMap
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pub fn open_html_load(allocator: std.mem.Allocator, filenames: []const []const u8) !std.StringArrayHashMap(string) {
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var dir = std.fs.cwd();
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var html_file_map = std.StringArrayHashMap(string).init(allocator);
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for (filenames) |file_name| {
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var f = try dir.openFile(file_name, .{});
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var html_content = try f.readToEndAlloc(allocator, one_megabyte);
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try html_file_map.putNoClobber(file_name, html_content);
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}
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return html_file_map;
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}
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0
src/lib/users/user_routes.zig
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0
src/lib/users/user_routes.zig
Normal file
88
src/main.zig
88
src/main.zig
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@ -1,72 +1,8 @@
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const std = @import("std");
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const std = @import("std");
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const http = std.http;
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const http = std.http;
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const log = std.log.scoped(.server);
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const log = std.log.scoped(.server);
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const Zx = @import("zx.zig").Zx;
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const server_addr = "127.0.0.1";
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const index = @import("routes/index.zig");
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const server_port = 8000;
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// Run the server and handle incoming requests.
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fn runServer(server: *http.Server, allocator: std.mem.Allocator) !void {
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outer: while (true) {
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// Accept incoming connection.
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var response = try server.accept(.{
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.allocator = allocator,
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});
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defer response.deinit();
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while (response.reset() != .closing) {
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// Handle errors during request processing.
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response.wait() catch |err| switch (err) {
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error.HttpHeadersInvalid => continue :outer,
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error.EndOfStream => continue,
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else => return err,
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};
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// Process the request.
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try handleRequest(&response, allocator);
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}
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}
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}
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// Handle an individual request.
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fn handleRequest(response: *http.Server.Response, allocator: std.mem.Allocator) !void {
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// Log the request details.
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log.info("{s} {s} {s}", .{ @tagName(response.request.method), @tagName(response.request.version), response.request.target });
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// Read the request body.
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const body = try response.reader().readAllAlloc(allocator, 8192);
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defer allocator.free(body);
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// Set "connection" header to "keep-alive" if present in request headers.
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if (response.request.headers.contains("connection")) {
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try response.headers.append("connection", "keep-alive");
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}
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// Check if the request target starts with "/get".
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if (std.mem.startsWith(u8, response.request.target, "/get")) {
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// Check if the request target contains "?chunked".
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if (std.mem.indexOf(u8, response.request.target, "?chunked") != null) {
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response.transfer_encoding = .chunked;
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} else {
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response.transfer_encoding = .{ .content_length = 10 };
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}
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// Set "content-type" header to "text/plain".
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try response.headers.append("content-type", "text/plain");
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// Write the response body.
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try response.do();
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if (response.request.method != .HEAD) {
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try response.writeAll("Zig ");
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try response.writeAll("Bits!\n");
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try response.finish();
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}
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} else {
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// Set the response status to 404 (not found).
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response.status = .not_found;
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try response.do();
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}
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}
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pub fn main() !void {
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pub fn main() !void {
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// Create an allocator.
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// Create an allocator.
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@ -75,23 +11,13 @@ pub fn main() !void {
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const allocator = gpa.allocator();
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const allocator = gpa.allocator();
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// Initialize the server.
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// Initialize the server.
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var server = http.Server.init(allocator, .{ .reuse_address = true });
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var server = Zx.init(allocator);
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defer server.deinit();
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defer server.deinit();
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// Log the server address and port.
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try server.GET("/zig", index.getIndex);
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log.info("Server is running at {s}:{d}", .{ server_addr, server_port });
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// Parse the server address.
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server.runServer() catch |err| {
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const address = try std.net.Address.parseIp(server_addr, server_port);
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log.err("Server exited with err: {any}\nDumping trace:\n", .{err});
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try server.listen(address);
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std.debug.dumpCurrentStackTrace(null);
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// Run the server.
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runServer(&server, allocator) catch |err| {
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// Handle server errors.
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log.err("server error: {}\n", .{err});
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if (@errorReturnTrace()) |trace| {
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std.debug.dumpStackTrace(trace.*);
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}
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std.os.exit(1);
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};
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};
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}
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}
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11
src/routes/index.zig
Normal file
11
src/routes/index.zig
Normal file
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@ -0,0 +1,11 @@
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const std = @import("std");
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const http = std.http;
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const zx = @import("../zx.zig");
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pub fn getIndex(ctz: *zx.ZxContext) zx.ZxError!void {
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ctz.json(.{ .success = true, .message = "hello did you get this?", .age = 1 }) catch |err| {
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std.debug.print("Got error {any}\n", .{err});
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return zx.ZxError.Unexpected;
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};
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return;
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}
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205
src/zx.zig
205
src/zx.zig
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@ -1,32 +1,213 @@
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const std = @import("std");
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const std = @import("std");
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const options = @import("options");
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const zx_utils = @import("htzx/utils.zig");
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const markup_files = options.markup_files;
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const http = std.http;
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const http = std.http;
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const log = std.log.scoped(.server);
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const log = std.log.scoped(.server);
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const string = []const u8;
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const server_addr = "127.0.0.1";
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const server_addr = "127.0.0.1";
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const server_port = 8000;
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const server_port = 8000;
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pub const ZxError = error{
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DoError,
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FinishError,
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OutOfMemory,
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RedefinedRoute,
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Unexpected,
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};
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pub const ZxRouteFn = *const fn (*ZxContext) ZxError!void;
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pub const Zx = struct {
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pub const Zx = struct {
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server: http.Server,
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allocator: std.mem.Allocator,
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routes: std.StringArrayHashMap(ZxRouteFn),
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html_files_map: std.StringArrayHashMap(string),
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pub fn init( allocator: std.mem.Allocator,) Zx {
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pub fn init(
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allocator: std.mem.Allocator,
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) Zx {
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var server = http.Server.init(allocator, .{ .reuse_address = true });
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var server = http.Server.init(allocator, .{ .reuse_address = true });
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defer server.deinit();
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var routes = std.StringArrayHashMap(ZxRouteFn).init(allocator);
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var html_files_map = std.StringArrayHashMap(string).init(allocator);
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return .{ .server = server, .allocator = allocator, .routes = routes, .html_files_map = html_files_map };
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}
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// Log the server address and port.
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pub fn deinit(zx: *Zx) void {
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zx.server.deinit();
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zx.routes.deinit();
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// free html file content values
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for (zx.html_files_map.keys()) |key| {
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var entry = zx.html_files_map.getEntry(key);
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zx.allocator.free(entry.?.value_ptr);
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}
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zx.html_files_map.deinit();
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}
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pub fn runServer(zx: *Zx) !void {
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log.info("Server is running at {s}:{d}", .{ server_addr, server_port });
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log.info("Server is running at {s}:{d}", .{ server_addr, server_port });
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for (markup_files) |file| {
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log.info("{s}", .{file});
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}
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zx.html_files_map = try zx_utils.open_html_load(zx.allocator, markup_files);
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// Parse the server address.
|
// Parse the server address.
|
||||||
const address = try std.net.Address.parseIp(server_addr, server_port);
|
const address = try std.net.Address.parseIp(server_addr, server_port);
|
||||||
try server.listen(address);
|
zx.server.listen(address) catch return ZxError.Unexpected;
|
||||||
|
|
||||||
// Run the server.
|
outer: while (true) {
|
||||||
runServer(&server, allocator) catch |err| {
|
// Accept incoming connection.
|
||||||
// Handle server errors.
|
var response = zx.server.accept(.{
|
||||||
log.err("server error: {}\n", .{err});
|
.allocator = zx.allocator,
|
||||||
if (@errorReturnTrace()) |trace| {
|
}) catch return ZxError.Unexpected;
|
||||||
std.debug.dumpStackTrace(trace.*);
|
defer response.deinit();
|
||||||
|
|
||||||
|
while (response.reset() != .closing) {
|
||||||
|
// Handle errors during request processing.
|
||||||
|
response.wait() catch |err| switch (err) {
|
||||||
|
error.HttpHeadersInvalid => continue :outer,
|
||||||
|
error.EndOfStream => continue,
|
||||||
|
else => return err,
|
||||||
|
};
|
||||||
|
|
||||||
|
// Process the request.
|
||||||
|
try handleRequest(zx, &response, zx.allocator);
|
||||||
}
|
}
|
||||||
std.os.exit(1);
|
}
|
||||||
};
|
}
|
||||||
|
|
||||||
|
pub fn POST(comptime path: string, handler: ZxRouteFn) void {
|
||||||
|
_ = handler;
|
||||||
|
_ = path;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn GET(zx: *Zx, comptime path: string, handler: ZxRouteFn) ZxError!void {
|
||||||
|
zx.routes.putNoClobber(path, handler) catch |err| {
|
||||||
|
std.debug.print("{any}\nCant add another route at {s}\n", .{ err, path });
|
||||||
|
return ZxError.RedefinedRoute;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/// [/ <----------------------------------- \]
|
||||||
|
/// Order of operations: accept -> wait -> do [ -> write -> finish][ -> reset /]
|
||||||
|
/// \ -> read /
|
||||||
|
fn handleRequest(zx: *Zx, response: *http.Server.Response, allocator: std.mem.Allocator) ZxError!void {
|
||||||
|
|
||||||
|
// Read the request body.
|
||||||
|
const body = response.reader().readAllAlloc(allocator, 8192) catch return ZxError.Unexpected;
|
||||||
|
defer allocator.free(body);
|
||||||
|
|
||||||
|
// Log the request details.
|
||||||
|
log.info("{s} {s}", .{ @tagName(response.request.method), response.request.target });
|
||||||
|
|
||||||
|
// Set "connection" header to "keep-alive" if present in request headers.
|
||||||
|
if (response.request.headers.contains("connection")) {
|
||||||
|
response.headers.append("connection", "keep-alive") catch return ZxError.Unexpected;
|
||||||
|
}
|
||||||
|
|
||||||
|
response.headers.append("Server", "Htzx") catch return ZxError.Unexpected;
|
||||||
|
|
||||||
|
// if (std.mem.indexOf(u8, response.request.target, "?chunked") != null) {
|
||||||
|
// response.transfer_encoding = .chunked;
|
||||||
|
// } else {
|
||||||
|
// response.transfer_encoding = .{ .content_length = 10 };
|
||||||
|
// }
|
||||||
|
|
||||||
|
// Set "content-type" header to "text/plain".
|
||||||
|
// response.headers.append("content-type", "text/plain") catch return ZxError.Unexpected;
|
||||||
|
|
||||||
|
// Write the response body.
|
||||||
|
|
||||||
|
if (response.request.method != .HEAD) {
|
||||||
|
var ctz = ZxContext.init(allocator, response, body);
|
||||||
|
if (response.request.method == .GET and zx.has_html_route(response.request.target)) {
|
||||||
|
log.info("Returning html file at {s}...", .{response.request.target});
|
||||||
|
try zx.return_html(&ctz);
|
||||||
|
} else {
|
||||||
|
var handler = zx.routes.get(response.request.target);
|
||||||
|
if (handler) |h| {
|
||||||
|
h(&ctz) catch |err| {
|
||||||
|
errorHandler(response, err);
|
||||||
|
};
|
||||||
|
} else {
|
||||||
|
std.debug.print("No route defined for {s}\n", .{response.request.target});
|
||||||
|
|
||||||
|
response.status = .not_found;
|
||||||
|
response.do() catch return ZxError.DoError;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
response.finish() catch |err| {
|
||||||
|
log.err("Got finish error {any}\n", .{err});
|
||||||
|
return ZxError.FinishError;
|
||||||
|
};
|
||||||
|
} else {
|
||||||
|
response.do() catch return ZxError.Unexpected;
|
||||||
|
response.finish() catch return ZxError.FinishError;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn has_html_route(zx: *Zx, route_target: string) bool {
|
||||||
|
return zx.html_files_map.contains(route_target);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn return_html(zx: *Zx, ctz: *ZxContext) ZxError!void {
|
||||||
|
var html = zx.html_files_map.get(ctz.response.request.target).?;
|
||||||
|
try ctz.html(html);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn errorHandler(response: *http.Server.Response, err: ZxError) void {
|
||||||
|
log.err("Got error while handling route {any}\n", .{err});
|
||||||
|
response.status = .internal_server_error;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
pub const ZxContext = struct {
|
||||||
|
allocator: std.mem.Allocator,
|
||||||
|
response: *http.Server.Response,
|
||||||
|
req_body: string,
|
||||||
|
|
||||||
|
pub fn init(alloc: std.mem.Allocator, res: *http.Server.Response, body: string) ZxContext {
|
||||||
|
return ZxContext{
|
||||||
|
.allocator = alloc,
|
||||||
|
.response = res,
|
||||||
|
.req_body = body,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Helper function to return JSON to the client
|
||||||
|
pub fn json(ctz: *ZxContext, content: anytype) ZxError!void {
|
||||||
|
// Add json header
|
||||||
|
ctz.response.headers.append("Content-Type", "application/json") catch return ZxError.Unexpected;
|
||||||
|
|
||||||
|
const json_content = std.json.stringifyAlloc(ctz.allocator, content, .{}) catch return ZxError.OutOfMemory;
|
||||||
|
defer ctz.allocator.free(json_content);
|
||||||
|
|
||||||
|
try ctz.respond(json_content);
|
||||||
|
}
|
||||||
|
|
||||||
|
test "json helper function" {}
|
||||||
|
|
||||||
|
pub fn html(ctz: *ZxContext, html_content: string) ZxError!void {
|
||||||
|
// Add html header
|
||||||
|
ctz.response.headers.append("Content-Type", "text/html") catch return ZxError.Unexpected;
|
||||||
|
|
||||||
|
try ctz.respond(html_content);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Helper function to return body to the client
|
||||||
|
pub fn respond(ctz: *ZxContext, body: string) ZxError!void {
|
||||||
|
if (!ctz.response.headers.contains("Content-Type")) {
|
||||||
|
ctz.response.headers.append("Content-Type", "text/html") catch return ZxError.Unexpected;
|
||||||
|
}
|
||||||
|
|
||||||
|
ctz.response.transfer_encoding = .{ .content_length = body.len };
|
||||||
|
// Send headers
|
||||||
|
ctz.response.do() catch return ZxError.DoError;
|
||||||
|
// Send html body
|
||||||
|
ctz.response.writeAll(body) catch return ZxError.Unexpected;
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
Loading…
Reference in New Issue
Block a user