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Improve streaming in and out over quic

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This commit is contained in:
Alex Hultman
2022-09-04 21:01:44 +02:00
parent 3b7475783d
commit 8456cb1a32
6 changed files with 78 additions and 45 deletions
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examples/Http3Server.cpp
+40 -12
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@@ -3,27 +3,55 @@
/* Do not rely on this API, it will change */
#include "Http3App.h"
#include <iostream>
#include <fstream>
/* Example of simple Http3 server handling both GET with headers and POST with body.
* You might be surprised to find out you can replace uWS::H3App with uWS::SSLApp and
* serve TCP/TLS-based HTTP instead of QUIC-based HTTP, using the same very code ;) */
/* This is an example serving a video over HTTP3, and echoing posted data back */
/* Todo: use onWritable and tryEnd instead of end */
int main() {
/* Read video file to memory */
std::ifstream file("video.mp4", std::ios::binary | std::ios::ate);
std::streamsize size = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<char> buffer(size);
if (!file.read(buffer.data(), size)) {
std::cout << "Failed to load video.mp4" << std::endl;
return 0;
}
/* We need a bootstrapping server that instructs
* the web browser to use HTTP3 */
(*new uWS::SSLApp({
.key_file_name = "misc/key.pem",
.cert_file_name = "misc/cert.pem",
.passphrase = "1234"
})).get("/video.mp4", [&buffer](auto *res, auto *req) {
res->writeHeader("Alt-Svc", "h3=\":9004\"");
res->writeHeader("Alternative-Protocol", "quic:9004");
res->end({"This is not HTTP3!", 18});
}).listen(9004, [](auto *listen_socket) {
if (listen_socket) {
std::cout << "Bootstrapping server Listening on port " << 9004 << std::endl;
}
});
/* And we serve the video over HTTP3 */
uWS::H3App({
.key_file_name = "misc/key.pem",
.cert_file_name = "misc/cert.pem",
.passphrase = "1234"
}).get("/*", [](auto *res, auto *req) {
}).get("/video.mp4", [&buffer](auto *res, auto *req) {
/* Send back a video */
res->end({&buffer[0], buffer.size()});
}).post("/*", [](auto *res, auto *req) {
/* Printing these should obviously be disabled if doing benchmarking */
std::cout << req->getHeader(":path") << std::endl;
std::cout << req->getHeader(":method") << std::endl;
res->end("Hello H3 from uWS!");
}).post("/*", [](auto *res, auto */*req*/) {
std::cout << "Got POST request at " << req->getHeader(":path") << std::endl;
/* You also need to set onAborted if receiving data */
res->onData([res, bodyBuffer = (std::string *)nullptr](std::string_view chunk, bool isLast) mutable {
if (isLast) {
std::cout << "Sending back posted body now" << std::endl;
if (bodyBuffer) {
/* Send back the (chunked) body we got, as response */
bodyBuffer->append(chunk);
@@ -52,11 +80,11 @@ int main() {
});
}).listen(9004, [](auto *listen_socket) {
if (listen_socket) {
std::cout << "Listening on port " << 9004 << std::endl;
std::cout << "HTTP/3 server Listening on port " << 9004 << std::endl;
}
}).run();
std::cout << "Failed to listen on port 3000" << std::endl;
std::cout << "Failed to listen on port 9004" << std::endl;
}
#else