Files
uWebSockets/main.cpp
T
2018-08-30 00:27:23 +02:00

149 lines
4.3 KiB
C++

#include "uWS.h"
#include <fstream>
#include <sstream>
std::string buffer;
int connections = 0;
template<int SIZE, class T>
void respond(T *s) {
s->writeStatus("200 OK")->write([](int offset) {
return std::string_view(buffer.data() + offset, SIZE - offset);
}, SIZE);
}
#define USE_SSL
#include <map>
std::string_view getFile(std::string_view file) {
static std::map<std::string_view, std::string_view> cache;
auto it = cache.find(file);
if (it == cache.end()) {
std::cout << "Did not have file: " << file << std::endl;
std::ifstream fin("rocket_files/" + std::string(file), std::ios::binary);
std::ostringstream oss;
oss << fin.rdbuf();
char *cachedFile = (char *) malloc(oss.str().size());
memcpy(cachedFile, oss.str().data(), oss.str().size());
char *key = (char *) malloc(file.length());
memcpy(key, file.data(), file.length());
std::cout << "Size: " << oss.str().size() << std::endl;
cache[std::string_view(key, file.length())] = std::string_view(cachedFile, oss.str().size());
return getFile(file);
} else {
return it->second;
}
}
int main(int argc, char **argv) {
// 50 mb for huge
buffer.resize(52428800);
//uWS::init();
//uWS::Loop loop();
#ifdef USE_SSL
uWS::SSLApp app(uWS::SSLOptions()
.keyFileName("/home/alexhultman/uWebSockets/misc/ssl/key.pem")
.certFileName("/home/alexhultman/uWebSockets/misc/ssl/cert.pem")
.passphrase("1234"));
#else
uWS::App app;
#endif
struct UserData {
};
// serve a chat page with pub/sub and index.html and get (should be the main app of use)
// basically take the old web chat page and upgrade it
uWS::App a; // or uWS::SSLApp(options) for SSL
a.onGet("/", [](auto *s, auto *req, auto *args) {
std::cout << "URL: <" << req->getUrl() << ">" << std::endl;
std::cout << "Query: <" << req->getQuery() << ">" << std::endl;
std::cout << "User-Agent: <" << req->getHeader("user-agent") << ">" << std::endl;
}).onWebSocket<UserData>("/ws", [](auto *ws, auto *req, auto *args) {
std::cout << "WebSocket connected to /wsApi" << std::endl;
}).onMessage([](auto *ws, auto message/*, auto opCode*/) {
std::cout << "WebSocket data: " << message << std::endl;
//ws->send(message, opCode);
}).onClose([](/*auto *ws, int code, auto message*/) {
std::cout << "WebSocket disconnected from /wsApi" << std::endl;
}).listen("localhost", 3000, 0);
/*auto serve = [](auto *s, auto *req, auto *args) {
//std::cout << "URL: " << req->getUrl() << std::endl;
s->writeStatus("200 OK");
std::string_view file;
if (args->size() != 2) {
file = getFile("rocket.html");
} else {
file = getFile((*args)[1]);
std::string_view name = (*args)[1];
if (name.length() > 4 && name.substr(name.length() - 4) == ".svg") {
s->writeHeader("Content-type", "image/svg+xml");
}
}
s->write([file](int offset) {
return std::string_view(file.data() + offset, file.size() - offset);
}, file.size());
};
app.onGet("/", serve).onGet("/:folder/:file", serve).onGet("/tiny", [](auto *s, auto *req, auto *args) {
respond<512>(s);
}).onGet("/small", [](auto *s, auto *req, auto *args) {
respond<4096>(s);
}).onGet("/medium", [](auto *s, auto *req, auto *args) {
respond<16384>(s);
}).onGet("/large", [](auto *s, auto *req, auto *args) {
respond<51200>(s);
}).onGet("/huge", [](auto *s, auto *req, auto *args) {
respond<52428800>(s);
}).onPost("/upload", [](auto *s, auto *req, auto *args) {
s->read([s](std::string_view chunk) {
std::cout << "Received chunk on URL /upload: <" << chunk << ">" << std::endl;
s->writeStatus("200 OK")->end("Thanks for posting!");
});
}).onWebSocket("/wsApi", []() {
}).onHttpConnection([](auto *s) {
std::cout << "Connections: " << ++connections << std::endl;
}).onHttpDisconnection([](auto *s) {
std::cout << "Connections: " << --connections << std::endl;
}).listen(nullptr, 3000, 0);*/
uWS::run();
// loop.run();
}