Deploying the Networking TS Robert Leahy Lead Software Engineer rleahy@rleahy.ca Opening DataConn socket on 0.0.0.0:11653... Started (send SIGINT or SIGTERM to exit) 2021-10-06T04:01:26.490694105Z async_write_state& state, WaitableTimer& timer, Events events, CompletionToken&& token); 16 Events Complex asynchronous operations contain many parts Encapsulating increasing complexity creates a shared framework Shared CompletionToken> decltype(auto) async_wait(CompletionToken&& token); }; 25 Injecting Asynchronous Operations If an asynchronous operation completes immediately (that is, within the thread of execution calling

microbenchmarks and a real-world application • Conclusion 26Synchronous/Asynchronous Mechanisms Boil the water Synchronous Asynchronous Wait Polling Callback Check Do your things Multitasking! 27Taro’s motivation behind Taro • We have presented the Taro C++ programming model - Synchronous and Asynchronous mechanisms • We have presented the Taro coroutine-aware scheduling algorithm • We have presented

T C H Robert Leahy - rleahy@rleahy.caNetworking TS & Asio ISO C++ Networking is blocked on Executors (P0443) Target for Networking is currently C++23 (P0592) Used standalone Asio (1.18.0) to prepare P0443-friendly extensions to the Networking TS shipping in “standalone” Asio & Boost.Asio (P0958) 2async_wait_then_write 3Composed Asynchronous Operations Composing asynchronous operations enables the layered composed asynchronous operations from concrete types Customization points defer decisions to the consumer rather than the author making them arbitrarily 4async_wait_then_write 5Asynchronous Operations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 6.5 Index 259 iiiTornado Documentation, Release 6.5.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can wait() if __name__ == "__main__": asyncio.run(main()) This example does not use any of Tornado’s asynchronous features; for that see this simple chat room. 5Tornado Documentation, Release 6.5.1 6 Chapter

. . . . . . . . . 90 6 Virtual networking 91 6.1 Virtual networking hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 6.2 Introduction to networking modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 6.4 Bridged networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 6.5 Internal networking . . . . . . . . . . . . . . . . . . . . . . . . Host-only networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 6.7 UDP Tunnel networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 6.8 VDE networking . . .

. . . . . . . . . 91 6 Virtual networking 92 6.1 Virtual networking hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 6.2 Introduction to networking modes . . . . . . . . . . . . . (experimental) . . . . . . . . . . . . . . . 96 6.5 Bridged networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 6.6 Internal networking . . . . . . . . . . . . . . . . . . . . . . . . Host-only networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 6.8 UDP Tunnel networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 6.9 VDE networking . .

. . . . . . . . . 87 6 Virtual networking 88 6.1 Virtual networking hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 6.2 Introduction to networking modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 6.4 Bridged networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 6.5 Internal networking . . . . . . . . . . . . . . . . . . . . . . . . Host-only networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 6.7 UDP Tunnel networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 6.8 VDE networking . . .

and files, and abstracts away the underlying HTTP transport layer. Can send both synchronous and asynchronous requests using the same interface without requiring a dependency on a specific event loop. Pluggable $res->getBody(); // {"type":"User"...' var_export($res->json()); // Outputs the JSON decoded data // Send an asynchronous request. $req = $client->createRequest('GET', 'http://httpbin.org', ['future' => true]); $cl Adapter Test Web Server FAQ Why should I use Guzzle? Does Guzzle require cURL? Can Guzzle send asynchronous requests? How can I add custom cURL options? How can I add custom stream context options? Why

files, and abstracts away the underlying HTTP transport layer. • Can send both synchronous and asynchronous requests using the same interface without requiring a dependency on a specific event loop. • $res->getBody(); // {"type":"User"...' var_export($res->json()); // Outputs the JSON decoded data // Send an asynchronous request. $req = $client->createRequest('GET', 'http://httpbin.org', ['future' => true]); $cli Exceptions Guzzle throws exceptions for errors that occur during a transfer. • In the event of a networking error (connection timeout, DNS errors, etc.), a GuzzleHttp\Exception\RequestException is thrown

. . . . . . . . . 95 6 Virtual networking 96 6.1 Virtual networking hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 6.2 Introduction to networking modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 6.5 Bridged networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 6.6 Internal networking . . . . . . . . . . . . . . . . . . . . . . . Host-only networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 6.8 UDP Tunnel networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 6.9 VDE networking . .