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sanya
2025-09-01 14:20:39 +00:00
committed by ExternPointer
commit 490fc11f6a
4328 changed files with 1796224 additions and 0 deletions
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12
third_party/socket.io-client-cpp/lib/websocketpp/examples/telemetry_server/CMakeLists.txt vendored Normal file
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file (GLOB SOURCE_FILES *.cpp)
file (GLOB HEADER_FILES *.hpp)
init_target (telemetry_server)
build_executable (${TARGET_NAME} ${SOURCE_FILES} ${HEADER_FILES})
link_boost ()
final_target ()
set_target_properties(${TARGET_NAME} PROPERTIES FOLDER "examples")

23
third_party/socket.io-client-cpp/lib/websocketpp/examples/telemetry_server/SConscript vendored Normal file
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## Main development example
##
Import('env')
Import('env_cpp11')
Import('boostlibs')
Import('platform_libs')
Import('polyfill_libs')
env = env.Clone ()
env_cpp11 = env_cpp11.Clone ()
prgs = []
# if a C++11 environment is available build using that, otherwise use boost
if env_cpp11.has_key('WSPP_CPP11_ENABLED'):
ALL_LIBS = boostlibs(['system'],env_cpp11) + [platform_libs] + [polyfill_libs]
prgs += env_cpp11.Program('telemetry_server', ["telemetry_server.cpp"], LIBS = ALL_LIBS)
else:
ALL_LIBS = boostlibs(['system'],env) + [platform_libs] + [polyfill_libs]
prgs += env.Program('telemetry_server', ["telemetry_server.cpp"], LIBS = ALL_LIBS)
Return('prgs')

85
third_party/socket.io-client-cpp/lib/websocketpp/examples/telemetry_server/index.html vendored Normal file
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<!doctype html>
<html>
<head>
<title>WebSocket++ Telemetry Client</title>
</head>
<body>
<script type="text/javascript">
var ws;
var url;
function connect() {
url = document.getElementById("server_url").value;
if ("WebSocket" in window) {
ws = new WebSocket(url);
} else if ("MozWebSocket" in window) {
ws = new MozWebSocket(url);
} else {
document.getElementById("messages").innerHTML += "This Browser does not support WebSockets<br />";
return;
}
ws.onopen = function(e) {
document.getElementById("messages").innerHTML += "Client: A connection to "+ws.url+" has been opened.<br />";
document.getElementById("server_url").disabled = true;
document.getElementById("toggle_connect").innerHTML = "Disconnect";
};
ws.onerror = function(e) {
document.getElementById("messages").innerHTML += "Client: An error occured, see console log for more details.<br />";
console.log(e);
};
ws.onclose = function(e) {
document.getElementById("messages").innerHTML += "Client: The connection to "+url+" was closed. ["+e.code+(e.reason != "" ? ","+e.reason : "")+"]<br />";
cleanup_disconnect();
};
ws.onmessage = function(e) {
document.getElementById("messages").innerHTML += "Server: "+e.data+"<br />";
};
}
function disconnect() {
ws.close();
cleanup_disconnect();
}
function cleanup_disconnect() {
document.getElementById("server_url").disabled = false;
document.getElementById("toggle_connect").innerHTML = "Connect";
}
function toggle_connect() {
if (document.getElementById("server_url").disabled === false) {
connect();
} else {
disconnect();
}
}
</script>
<style>
body,html {
margin: 0px;
padding: 0px;
}
#controls {
float:right;
background-color: #999;
}
</style>
<div id="controls">
<div id="server">
<input type="text" name="server_url" id="server_url" value="ws://localhost:9002" /><br />
<button id="toggle_connect" onclick="toggle_connect();">Connect</button>
</div>
</div>
<div id="messages"></div>
</body>
</html>

203
third_party/socket.io-client-cpp/lib/websocketpp/examples/telemetry_server/telemetry_server.cpp vendored Normal file
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#include <websocketpp/config/asio_no_tls.hpp>
#include <websocketpp/server.hpp>
#include <fstream>
#include <iostream>
#include <set>
#include <streambuf>
#include <string>
/**
* The telemetry server accepts connections and sends a message every second to
* each client containing an integer count. This example can be used as the
* basis for programs that expose a stream of telemetry data for logging,
* dashboards, etc.
*
* This example uses the timer based concurrency method and is self contained
* and singled threaded. Refer to telemetry client for an example of a similar
* telemetry setup using threads rather than timers.
*
* This example also includes an example simple HTTP server that serves a web
* dashboard displaying the count. This simple design is suitable for use
* delivering a small number of files to a small number of clients. It is ideal
* for cases like embedded dashboards that don't want the complexity of an extra
* HTTP server to serve static files.
*
* This design *will* fall over under high traffic or DoS conditions. In such
* cases you are much better off proxying to a real HTTP server for the http
* requests.
*/
class telemetry_server {
public:
typedef websocketpp::connection_hdl connection_hdl;
typedef websocketpp::server<websocketpp::config::asio> server;
telemetry_server() : m_count(0) {
// set up access channels to only log interesting things
m_endpoint.clear_access_channels(websocketpp::log::alevel::all);
m_endpoint.set_access_channels(websocketpp::log::alevel::access_core);
m_endpoint.set_access_channels(websocketpp::log::alevel::app);
// Initialize the Asio transport policy
m_endpoint.init_asio();
// Bind the handlers we are using
using websocketpp::lib::placeholders::_1;
using websocketpp::lib::bind;
m_endpoint.set_open_handler(bind(&telemetry_server::on_open,this,_1));
m_endpoint.set_close_handler(bind(&telemetry_server::on_close,this,_1));
m_endpoint.set_http_handler(bind(&telemetry_server::on_http,this,_1));
}
void run(std::string docroot, uint16_t port) {
std::stringstream ss;
ss << "Running telemetry server on port "<< port <<" using docroot=" << docroot;
m_endpoint.get_alog().write(websocketpp::log::alevel::app,ss.str());
m_docroot = docroot;
// listen on specified port
m_endpoint.listen(port);
// Start the server accept loop
m_endpoint.start_accept();
// Set the initial timer to start telemetry
set_timer();
// Start the ASIO io_service run loop
try {
m_endpoint.run();
} catch (websocketpp::exception const & e) {
std::cout << e.what() << std::endl;
}
}
void set_timer() {
m_timer = m_endpoint.set_timer(
1000,
websocketpp::lib::bind(
&telemetry_server::on_timer,
this,
websocketpp::lib::placeholders::_1
)
);
}
void on_timer(websocketpp::lib::error_code const & ec) {
if (ec) {
// there was an error, stop telemetry
m_endpoint.get_alog().write(websocketpp::log::alevel::app,
"Timer Error: "+ec.message());
return;
}
std::stringstream val;
val << "count is " << m_count++;
// Broadcast count to all connections
con_list::iterator it;
for (it = m_connections.begin(); it != m_connections.end(); ++it) {
m_endpoint.send(*it,val.str(),websocketpp::frame::opcode::text);
}
// set timer for next telemetry check
set_timer();
}
void on_http(connection_hdl hdl) {
// Upgrade our connection handle to a full connection_ptr
server::connection_ptr con = m_endpoint.get_con_from_hdl(hdl);
std::ifstream file;
std::string filename = con->get_resource();
std::string response;
m_endpoint.get_alog().write(websocketpp::log::alevel::app,
"http request1: "+filename);
if (filename == "/") {
filename = m_docroot+"index.html";
} else {
filename = m_docroot+filename.substr(1);
}
m_endpoint.get_alog().write(websocketpp::log::alevel::app,
"http request2: "+filename);
file.open(filename.c_str(), std::ios::in);
if (!file) {
// 404 error
std::stringstream ss;
ss << "<!doctype html><html><head>"
<< "<title>Error 404 (Resource not found)</title><body>"
<< "<h1>Error 404</h1>"
<< "<p>The requested URL " << filename << " was not found on this server.</p>"
<< "</body></head></html>";
con->set_body(ss.str());
con->set_status(websocketpp::http::status_code::not_found);
return;
}
file.seekg(0, std::ios::end);
response.reserve(file.tellg());
file.seekg(0, std::ios::beg);
response.assign((std::istreambuf_iterator<char>(file)),
std::istreambuf_iterator<char>());
con->set_body(response);
con->set_status(websocketpp::http::status_code::ok);
}
void on_open(connection_hdl hdl) {
m_connections.insert(hdl);
}
void on_close(connection_hdl hdl) {
m_connections.erase(hdl);
}
private:
typedef std::set<connection_hdl,std::owner_less<connection_hdl>> con_list;
server m_endpoint;
con_list m_connections;
server::timer_ptr m_timer;
std::string m_docroot;
// Telemetry data
uint64_t m_count;
};
int main(int argc, char* argv[]) {
telemetry_server s;
std::string docroot;
uint16_t port = 9002;
if (argc == 1) {
std::cout << "Usage: telemetry_server [documentroot] [port]" << std::endl;
return 1;
}
if (argc >= 2) {
docroot = std::string(argv[1]);
}
if (argc >= 3) {
int i = atoi(argv[2]);
if (i <= 0 || i > 65535) {
std::cout << "invalid port" << std::endl;
return 1;
}
port = uint16_t(i);
}
s.run(docroot, port);
return 0;
}