summaryrefslogtreecommitdiff
path: root/src/main.zig
diff options
context:
space:
mode:
authorMartin Ashby <martin@ashbysoft.com>2023-07-18 13:32:04 +0000
committerMartin Ashby <martin@ashbysoft.com>2023-07-18 13:32:04 +0000
commit47214a1b045ed8aac7166828bf67dea2769148f0 (patch)
tree0660feeec2d04aaa16887bf08c0af9dbf3b72e45 /src/main.zig
downloadzigwebserver-47214a1b045ed8aac7166828bf67dea2769148f0.tar.gz
zigwebserver-47214a1b045ed8aac7166828bf67dea2769148f0.tar.bz2
zigwebserver-47214a1b045ed8aac7166828bf67dea2769148f0.tar.xz
zigwebserver-47214a1b045ed8aac7166828bf67dea2769148f0.zip
enough of a web server to host the zig docs
Diffstat (limited to 'src/main.zig')
-rw-r--r--src/main.zig63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/main.zig b/src/main.zig
new file mode 100644
index 0000000..335e80c
--- /dev/null
+++ b/src/main.zig
@@ -0,0 +1,63 @@
+const std = @import("std");
+
+// extremely basic http file server
+pub fn main() !void {
+ var allocator = std.heap.GeneralPurposeAllocator(.{}){};
+ defer _ = allocator.deinit();
+ const alloc = allocator.allocator();
+ var svr = std.http.Server.init(alloc, .{.reuse_address = true});
+ defer svr.deinit();
+ const addr = try std.net.Address.resolveIp("127.0.0.1", 8080);
+
+ try svr.listen(addr);
+ while (true) {
+ var res = try svr.accept(.{.allocator = alloc });
+ defer res.deinit();
+ try res.wait();
+ const target = res.request.target;
+ const path = try std.fs.path.join(alloc, &[_][]const u8{".", target});
+ defer alloc.free(path);
+ if (std.fs.cwd().openFile(path, .{})) |file| {
+ const md = try file.metadata();
+ if (md.kind() == .directory) {
+ const index_path = try std.fs.path.join(alloc, &[_][]const u8{path, "index.html"});
+ defer alloc.free(index_path);
+ if (std.fs.cwd().openFile(index_path, .{})) |index_file| {
+ const index_md = try index_file.metadata();
+ try serve_file(&res, index_file, index_md);
+ } else |_| {
+ try serve_error(&res, .not_found);
+ }
+ } else {
+ try serve_file(&res, file, md);
+ }
+ } else |err| {
+ switch (err) {
+ error.FileNotFound => try serve_error(&res, .not_found),
+ else => try serve_error(&res, .bad_request),
+ }
+ }
+ try res.finish();
+ }
+}
+
+fn serve_file(res: *std.http.Server.Response, file: std.fs.File, md: std.fs.File.Metadata) !void {
+ res.transfer_encoding = .{ .content_length = md.size() };
+ try res.do();
+ var buf = [_]u8{0} ** 1024;
+ while (true) {
+ const read = try file.read(&buf);
+ if (read == 0) break;
+ _ = try res.write(buf[0..read]);
+ }
+}
+
+fn serve_error(res: *std.http.Server.Response, status: std.http.Status) !void {
+ res.status = status;
+ const msg =
+ \\ <!doctype html><html><body>error!</body></html>
+ ;
+ res.transfer_encoding = . { .content_length = msg.len };
+ try res.do();
+ _ = try res.write(msg);
+}