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const is_debug = builtin.mode == .Debug;
const help =
\\-h, --help Display this help and exit.
\\-r, --relay <str> A relay message to send.
\\-d, --dest <str> An IPv4 or <= 4 ASCII byte string.
\\-c, --connect <str> A connection message to send.
\\
;
const Option = enum { help, relay, dest, connect };
const to_option: StaticStringMap(Option) = .initComptime(.{
.{ "-h", .help },
.{ "--help", .help },
.{ "-r", .relay },
.{ "--relay", .relay },
.{ "-d", .dest },
.{ "--dest", .dest },
.{ "-c", .connect },
.{ "--connect", .connect },
});
pub fn main(init: std.process.Init) !void {
// CLI parsing adapted from the example here
// https://codeberg.org/ziglang/zig/pulls/30644
const args = try init.minimal.args.toSlice(init.arena.allocator());
if (args.len == 1) {
std.debug.print("{s}", .{help});
return;
}
var flags: struct {
relay: ?[]const u8 = null,
dest: ?[]const u8 = null,
connect: ?[]const u8 = null,
} = .{};
{
var i: usize = 1;
while (i < args.len) : (i += 1) {
if (to_option.get(args[i])) |opt| {
switch (opt) {
.help => {
std.debug.print("{s}\n", .{help});
return;
},
.relay => {
i += 1;
if (i < args.len) {
flags.relay = args[i];
} else {
std.debug.print("-r/--relay requires a string\n", .{});
return;
}
},
.dest => {
i += 1;
if (i < args.len) {
flags.dest = args[i];
} else {
std.debug.print("-d/--dest requires a string\n", .{});
return;
}
},
.connect => {
i += 1;
if (i < args.len) {
flags.connect = args[i];
} else {
std.debug.print("-c/--connect requires a string\n", .{});
return;
}
},
}
} else {
std.debug.print("Unknown argument: {s}\n", .{args[i]});
}
}
}
std.debug.print("relay: {s}\n", .{flags.relay orelse "<null>"});
std.debug.print("dest: {s}\n", .{flags.dest orelse "<null>"});
std.debug.print("connect: {s}\n", .{flags.connect orelse "<null>"});
// var sock_buffer: [1500]u8 = undefined;
// var raw_socket_writer: RawSocketWriter = try .init("enp7s0", &sock_buffer); // /proc/net/dev
// var net_buffer: [1500]u8 = undefined;
// var net_writer: NetWriter = try .init(&raw_socket_writer.interface, &net_buffer);
// var client = try SaprusClient.init(&net_writer.interface);
// defer client.deinit();
// if (res.args.relay) |r| {
// const dest = parseDest(res.args.dest);
// try client.sendRelay(
// if (r.len > 0) r else "Hello darkness my old friend",
// dest,
// );
// return;
// } else if (res.args.connect) |c| {
// if (false) {
// _ = client.connect(if (c.len > 0) c else "Hello darkness my old friend") catch |err| switch (err) {
// error.WouldBlock => null,
// else => return err,
// };
// return;
// }
// @panic("Not implemented");
// }
// return clap.helpToFile(.stderr(), clap.Help, ¶ms, .{});
}
fn parseDest(in: ?[]const u8) [4]u8 {
if (in) |dest| {
if (dest.len <= 4) {
var res: [4]u8 = @splat(0);
@memcpy(res[0..dest.len], dest);
return res;
}
const addr = std.Io.net.Ip4Address.parse(dest, 0) catch return "FAIL".*;
return addr.bytes;
}
return "zap\x00".*;
}
const builtin = @import("builtin");
const std = @import("std");
const ArrayList = std.ArrayList;
const StaticStringMap = std.StaticStringMap;
const zaprus = @import("zaprus");
const SaprusClient = zaprus.Client;
const SaprusMessage = zaprus.Message;
const RawSocketWriter = zaprus.RawSocketWriter;
// const NetWriter = zaprus.NetWriter;
|
