AppMapServer::AppMapServer(int _port)
{
port = _port;
XMongoDBService::GetConnection().createIndex(MAPS_COLLECTION_NAME, BSON("loc" << "2d"));
CROW_ROUTE(app, "/getMap")
.methods("GET"_method)
([this](const crow::request& req){
auto params = req.url_params;
auto param_longitude = atof(params.get("longitude"));
auto param_latitude = atof(params.get("latitude"));
XMap retMap = this->getMap(param_longitude, param_latitude);
return retMap.toJSON();
});
CROW_ROUTE(app, "/postMap")
.methods("POST"_method)
([this](const crow::request& req){
XMapMessage mapmsg;
mapmsg.fromJSON(req.body);
return postMap(mapmsg);
});
CROW_ROUTE(app, "/getVersion")
.methods("GET"_method)
([this](const crow::request& req){
auto params = req.url_params;
auto param_longitude = atof(params.get("longitude"));
auto param_latitude = atof(params.get("latitude"));
XMap retMap = this->getMap(param_longitude, param_latitude);
std::stringstream output_string;
output_string << retMap.getVersion();
return output_string.str();
});
}
int main()
{
crow::Crow app;
CROW_ROUTE(app, "/")
.name("hello")
([]{
return "Hello World!";
});
CROW_ROUTE(app, "/about")
([](){
return "About Crow example.";
});
// simple json response
CROW_ROUTE(app, "/json")
([]{
crow::json::wvalue x;
x["message"] = "Hello, World!";
return x;
});
CROW_ROUTE(app,"/hello/<int>")
([](int count){
if (count > 100)
return crow::response(400);
std::ostringstream os;
os << count << " bottles of beer!";
return crow::response(os.str());
});
// Compile error with message "Handler type is mismatched with URL paramters"
//CROW_ROUTE(app,"/another/<int>")
//([](int a, int b){
//return crow::response(500);
//});
// more json example
CROW_ROUTE(app, "/add_json")
([](const crow::request& req){
auto x = crow::json::load(req.body);
if (!x)
return crow::response(400);
int sum = x["a"].i()+x["b"].i();
std::ostringstream os;
os << sum;
return crow::response{os.str()};
});
//crow::logger::setLogLevel(LogLevel::INFO);
//crow::logger::setHandler(std::make_shared<ExampleLogHandler>());
app.port(18080)
.multithreaded()
.run();
}
// The main function for the example program
int main() {
// Handles ctrl-c or other orderly exits
signal(SIGINT, exit_handler);
// check that we are running on Galileo or Edison
mraa_platform_t platform = mraa_get_platform_type();
if ((platform != MRAA_INTEL_GALILEO_GEN1) &&
(platform != MRAA_INTEL_GALILEO_GEN2) &&
(platform != MRAA_INTEL_EDISON_FAB_C)) {
std::cerr << "ERROR: Unsupported platform" << std::endl;
return MRAA_ERROR_INVALID_PLATFORM;
}
// create and initialize UPM devices
devices.init();
// start worker thread for device communication
std::thread t1(runner, std::ref(devices));
// define web server & routes
crow::SimpleApp app;
CROW_ROUTE(app, "/")
([]() {
std::stringstream text;
text << index_html;
return text.str();
});
CROW_ROUTE(app, "/data.json")
([](const crow::request& req) {
crow::json::wvalue result;
for (int i = 0; i < 360; i++) {
result[i] = degrees[i];
}
return crow::response{result};
});
CROW_ROUTE(app, "/styles.css")
([]() {
std::stringstream text;
text << styles_css;
return text.str();
});
// start web server
app.port(3000).multithreaded().run();
// wait forever for the thread to exit
t1.join();
return MRAA_SUCCESS;
}
int main()
{
crow::Crow app;
CROW_ROUTE(app, "/")
.name("hello")
([]{
return "Hello World!";
});
CROW_ROUTE(app, "/about")
([](){
return "About Crow example.";
});
// simple json response
CROW_ROUTE(app, "/json")
([]{
crow::json::wvalue x;
x["message"] = "Hello, World!";
return x;
});
CROW_ROUTE(app,"/hello/<int>")
([](int count){
if (count > 100)
return crow::response(400);
std::ostringstream os;
os << count << " bottles of beer!";
return crow::response(os.str());
});
// more json example
CROW_ROUTE(app, "/add_json")
([](const crow::request& req){
auto x = crow::json::load(req.body);
if (!x)
return crow::response(400);
int sum = x["a"].i()+x["b"].i();
std::ostringstream os;
os << sum;
return crow::response{os.str()};
});
app.port(18080)
.multithreaded()
.run();
}
int main()
{
crow::SimpleApp app;
CROW_ROUTE(app , "/about")
([](){
return "About Crow Exemplo C++ is power";
});
CROW_ROUTE(app, "/json")
([]{
crow::json::wvalue x;
x["message"] = "Hello, World!";
return x;
});
CROW_ROUTE(app,"/hello/<int>")
([](int count){
if (count > 100)
return crow::response(400);
std::ostringstream os;
os << count << " bottles of beer!";
return crow::response(os.str());
});
CROW_ROUTE(app, "/add_json")
.methods("POST"_method)
([](const crow::request& req){
auto x = crow::json::load(req.body);
if (!x)
return crow::response(400);
int sum = x["a"].i()+x["b"].i();
std::ostringstream os;
os << sum;
return crow::response{os.str()};
});
app.port(3000)
.multithreaded()
.run();
}
int main()
{
crow::SimpleApp app;
std::mutex mtx;;
std::unordered_set<crow::websocket::connection*> users;
CROW_ROUTE(app, "/ws")
.websocket()
.onopen([&](crow::websocket::connection& conn){
CROW_LOG_INFO << "new websocket connection";
std::lock_guard<std::mutex> _(mtx);
users.insert(&conn);
})
.onclose([&](crow::websocket::connection& conn, const std::string& reason){
CROW_LOG_INFO << "websocket connection closed: " << reason;
std::lock_guard<std::mutex> _(mtx);
users.erase(&conn);
})
.onmessage([&](crow::websocket::connection& /*conn*/, const std::string& data, bool is_binary){
std::lock_guard<std::mutex> _(mtx);
for(auto u:users)
if (is_binary)
u->send_binary(data);
else
u->send_text(data);
});
CROW_ROUTE(app, "/")
([]{
auto page = crow::mustache::load("ws.html");
return page.render();
});
app.port(40080)
.multithreaded()
.run();
}
int main()
{
crow::SimpleApp app;
CROW_ROUTE(app, "/")
.name("hello")
([]{
return "Hello World!";
});
CROW_ROUTE(app, "/about")
([](){
return "About Crow example.";
});
// simple json response
CROW_ROUTE(app, "/json")
([]{
crow::json::wvalue x;
x["message"] = "Hello, World!";
return x;
});
CROW_ROUTE(app,"/hello/<int>")
([](int count){
if (count > 100)
return crow::response(400);
std::ostringstream os;
os << count << " bottles of beer!";
return crow::response(os.str());
});
CROW_ROUTE(app, "/count")
([]() {
static std::atomic<int> count(0);
count = count + 1;
return crow::response(std::to_string(count));
});
CROW_ROUTE(app,"/add/<int>/<int>")
([](const crow::request& req, crow::response& res, int a, int b){
std::ostringstream os;
os << a+b;
res.write(os.str());
res.end();
});
// Compile error with message "Handler type is mismatched with URL paramters"
//CROW_ROUTE(app,"/another/<int>")
//([](int a, int b){
//return crow::response(500);
//});
// more json example
CROW_ROUTE(app, "/add_json")
([](const crow::request& req){
auto x = crow::json::load(req.body);
if (!x)
return crow::response(400);
int sum = x["a"].i()+x["b"].i();
std::ostringstream os;
os << sum;
return crow::response{os.str()};
});
CROW_ROUTE(app, "/params")
([](const crow::request& req){
std::ostringstream os;
os << "Params: " << req.url_params << "\n\n";
os << "The key 'foo' was " << (req.url_params.get("foo") == nullptr ? "not " : "") << "found.\n";
if(req.url_params.get("pew") != nullptr) {
double countD = boost::lexical_cast<double>(req.url_params.get("pew"));
os << "The value of 'pew' is " << countD << '\n';
}
auto count = req.url_params.get_list("count");
os << "The key 'count' contains " << count.size() << " value(s).\n";
for(const auto& countVal : count) {
os << " - " << countVal << '\n';
}
return crow::response{os.str()};
});
// ignore all log
crow::logger::setLogLevel(crow::LogLevel::DEBUG);
auto handler(std::make_shared<ExampleLogHandler>());
crow::logger::setHandler(handler.get());
app.port(18080)
.multithreaded()
.run();
}
int main()
{
crow::App<ExampleMiddleware> app;
app.get_middleware<ExampleMiddleware>().setMessage("hello");
CROW_ROUTE(app, "/")
.name("hello")
([]{
return "Hello World!";
});
CROW_ROUTE(app, "/about")
([](){
return "About Crow example.";
});
// a request to /path should be forwarded to /path/
CROW_ROUTE(app, "/path/")
([](){
return "Trailing slash test case..";
});
// simple json response
// To see it in action enter {ip}:18080/json
CROW_ROUTE(app, "/json")
([]{
crow::json::wvalue x;
x["message"] = "Hello, World!";
return x;
});
// To see it in action enter {ip}:18080/hello/{integer_between -2^32 and 100} and you should receive
// {integer_between -2^31 and 100} bottles of beer!
CROW_ROUTE(app,"/hello/<int>")
([](int count){
if (count > 100)
return crow::response(400);
std::ostringstream os;
os << count << " bottles of beer!";
return crow::response(os.str());
});
// To see it in action submit {ip}:18080/add/1/2 and you should receive 3 (exciting, isn't it)
CROW_ROUTE(app,"/add/<int>/<int>")
([](const crow::request& /*req*/, crow::response& res, int a, int b){
std::ostringstream os;
os << a+b;
res.write(os.str());
res.end();
});
// Compile error with message "Handler type is mismatched with URL paramters"
//CROW_ROUTE(app,"/another/<int>")
//([](int a, int b){
//return crow::response(500);
//});
// more json example
// To see it in action, I recommend to use the Postman Chrome extension:
// * Set the address to {ip}:18080/add_json
// * Set the method to post
// * Select 'raw' and then JSON
// * Add {"a": 1, "b": 1}
// * Send and you should receive 2
// A simpler way for json example:
// * curl -d '{"a":1,"b":2}' {ip}:18080/add_json
CROW_ROUTE(app, "/add_json")
.methods("POST"_method)
([](const crow::request& req){
auto x = crow::json::load(req.body);
if (!x)
return crow::response(400);
int sum = x["a"].i()+x["b"].i();
std::ostringstream os;
os << sum;
return crow::response{os.str()};
});
// Example of a request taking URL parameters
// If you want to activate all the functions just query
// {ip}:18080/params?foo='blabla'&pew=32&count[]=a&count[]=b
CROW_ROUTE(app, "/params")
([](const crow::request& req){
std::ostringstream os;
// To get a simple string from the url params
// To see it in action /params?foo='blabla'
os << "Params: " << req.url_params << "\n\n";
os << "The key 'foo' was " << (req.url_params.get("foo") == nullptr ? "not " : "") << "found.\n";
// To get a double from the request
// To see in action submit something like '/params?pew=42'
if(req.url_params.get("pew") != nullptr) {
double countD = boost::lexical_cast<double>(req.url_params.get("pew"));
os << "The value of 'pew' is " << countD << '\n';
}
// To get a list from the request
// You have to submit something like '/params?count[]=a&count[]=b' to have a list with two values (a and b)
auto count = req.url_params.get_list("count");
os << "The key 'count' contains " << count.size() << " value(s).\n";
for(const auto& countVal : count) {
os << " - " << countVal << '\n';
}
// To get a dictionary from the request
// You have to submit something like '/params?mydict[a]=b&mydict[abcd]=42' to have a list of pairs ((a, b) and (abcd, 42))
auto mydict = req.url_params.get_dict("mydict");
os << "The key 'dict' contains " << mydict.size() << " value(s).\n";
for(const auto& mydictVal : mydict) {
os << " - " << mydictVal.first << " -> " << mydictVal.second << '\n';
}
return crow::response{os.str()};
});
CROW_ROUTE(app, "/large")
([]{
return std::string(512*1024, ' ');
});
// enables all log
app.loglevel(crow::LogLevel::DEBUG);
//crow::logger::setHandler(std::make_shared<ExampleLogHandler>());
app.port(18080)
.multithreaded()
.run();
}
int main() {
crow::SimpleApp app;
CROW_ROUTE(app, "/")([]() { return "Hello World"; });
crow::logger::setLogLevel(crow::LogLevel::ERROR);
app.port(8080).multithreaded().run();
}