//!
//! Part of the Zap examples.
//!
//! Build me with `zig build accept`.
//! Run me with `zig build run-accept`.
//!
const std = @import("std");
const zap = @import("zap");
var gpa = std.heap.GeneralPurposeAllocator(.{
.thread_safe = true,
}){};
fn on_request_verbose(r: zap.Request) !void {
// use a local buffer for the parsed accept headers
var accept_buffer: [1024]u8 = undefined;
var fba = std.heap.FixedBufferAllocator.init(&accept_buffer);
const accept_allocator = fba.allocator();
const content_type: zap.ContentType = content_type: {
var accept_list = r.parseAcceptHeaders(accept_allocator) catch break :content_type .HTML;
defer accept_list.deinit(accept_allocator);
for (accept_list.items) |accept| {
break :content_type accept.toContentType() orelse continue;
}
break :content_type .HTML;
};
// just for fun: print ALL headers
var maybe_headers: ?zap.Request.HttpParamStrKVList = blk: {
const h = r.headersToOwnedList(gpa.allocator()) catch |err| {
std.debug.print("Error getting headers: {}\n", .{err});
break :blk null;
};
break :blk h;
};
if (maybe_headers) |*headers| {
defer headers.deinit();
for (headers.items) |header| {
std.debug.print("Header {s} = {s}\n", .{ header.key, header.value });
}
}
try r.setContentType(content_type);
switch (content_type) {
.TEXT => {
try r.sendBody("Hello from ZAP!!!");
},
.HTML => {
try r.sendBody("Hello from ZAP!!!
");
},
.XML => {
try r.sendBody(
\\
\\
\\
\\ Hello from ZAP!!!
\\
\\
);
},
.JSON => {
var buffer: [128]u8 = undefined;
const json = try zap.util.stringifyBuf(&buffer, .{ .message = "Hello from ZAP!!!" }, .{});
try r.sendJson(json);
},
.XHTML => {
try r.sendBody(
\\
\\
\\
\\ Hello from ZAP!!!
\\
\\
);
},
}
}
pub fn main() !void {
var listener = zap.HttpListener.init(.{
.port = 3000,
.on_request = on_request_verbose,
.log = true,
.max_clients = 100000,
});
try listener.listen();
std.debug.print(
\\ Listening on 0.0.0.0:3000
\\
\\ Test me with:
\\ curl --header "Accept: text/plain" localhost:3000
\\ curl --header "Accept: text/html" localhost:3000
\\ curl --header "Accept: application/xml" localhost:3000
\\ curl --header "Accept: application/json" localhost:3000
\\ curl --header "Accept: application/xhtml+xml" localhost:3000
\\
\\
, .{});
// start worker threads
zap.start(.{
.threads = 2,
.workers = 2,
});
}