50 lines
1.6 KiB
Zig
50 lines
1.6 KiB
Zig
const std = @import("std");
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const net = std.net;
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const fmt = std.fmt;
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const os = std.os;
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const print = std.debug.print;
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const testing = std.testing;
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const print_eq = @import("./util.zig").print_eq;
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const URI = @import("./util.zig").URI;
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fn connect_tcp(allocator: std.mem.Allocator) !net.Stream {
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var buffer: [1000]u8 = undefined;
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var fbs = std.io.fixedBufferStream(&buffer);
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var writer = fbs.writer();
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var address = std.process.getEnvVarOwned(allocator, "ADDRESS") catch |err| switch(err) {
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error.EnvironmentVariableNotFound => blk: {
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print("no ADDRESS envvar: connecting on 127.0.0.1:9000\n", .{});
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break :blk try allocator.dupe(u8, "127.0.0.1:9000");
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},
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else => { return err; },
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};
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defer allocator.free(address);
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try writer.print("{s}", .{address});
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var tcp_address = fbs.getWritten();
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var iterator = std.mem.split(u8, tcp_address, ":");
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var real_tcp_address = iterator.first();
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var real_tcp_port = try std.fmt.parseUnsigned(u16, iterator.rest(), 10);
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print ("TCP address [{s}] port [{}]\n", .{real_tcp_address, real_tcp_port});
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var socket_addr = try net.Address.parseIp(real_tcp_address, real_tcp_port);
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var stream = try net.tcpConnectToAddress(socket_addr);
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return stream;
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}
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pub fn main() !u8 {
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const config = .{.safety = true};
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var gpa = std.heap.GeneralPurposeAllocator(config){};
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defer _ = gpa.deinit();
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const allocator = gpa.allocator();
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var stream = try connect_tcp(allocator);
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_ = try stream.write("coucou");
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stream.close();
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return 0;
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}
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