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(websocket server) add a new simpler API to handle client connections / that API does not trigger a memory leak while the previous one did

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This commit is contained in:
Benjamin Sergeant
2020-07-23 19:29:41 -07:00
parent ffde283a4b
commit 2798886c0b
16 changed files with 367 additions and 258 deletions
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69
test/IXWebSocketLeakTest.cpp
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@ -5,13 +5,11 @@
*/
#include "IXTest.h"
#include "catch.hpp"
#include <memory>
#include <sstream>
#include <ixwebsocket/IXWebSocket.h>
#include <ixwebsocket/IXWebSocketServer.h>
#include <memory>
#include <sstream>
using namespace ix;
@ -69,8 +67,7 @@ namespace
std::stringstream ss;
log(std::string("Connecting to url: ") + url);
_webSocket.setOnMessageCallback([this](const ix::WebSocketMessagePtr& msg)
{
_webSocket.setOnMessageCallback([this](const ix::WebSocketMessagePtr& msg) {
std::stringstream ss;
if (msg->type == ix::WebSocketMessageType::Open)
{
@ -118,34 +115,37 @@ TEST_CASE("Websocket leak test")
int port = getFreePort();
WebSocketServer server(port);
server.setOnConnectionCallback([&webSocketPtr](std::shared_ptr<ix::WebSocket> webSocket,
std::shared_ptr<ConnectionState> connectionState,
std::unique_ptr<ConnectionInfo> connectionInfo)
{
// original ptr in WebSocketServer::handleConnection and the callback argument
REQUIRE(webSocket.use_count() == 2);
webSocket->setOnMessageCallback([&webSocketPtr, webSocket, connectionState](const ix::WebSocketMessagePtr& msg)
{
if (msg->type == ix::WebSocketMessageType::Open)
{
log(std::string("New connection id: ") + connectionState->getId());
// original ptr in WebSocketServer::handleConnection, captured ptr of this callback, and ptr in WebSocketServer::_clients
REQUIRE(webSocket.use_count() == 3);
webSocketPtr = std::shared_ptr<WebSocket>(webSocket);
REQUIRE(webSocket.use_count() == 4);
}
else if (msg->type == ix::WebSocketMessageType::Close)
{
log(std::string("Client closed connection id: ") + connectionState->getId());
}
else
{
log(std::string(msg->str));
}
server.setOnConnectionCallback(
[&webSocketPtr](std::shared_ptr<ix::WebSocket> webSocket,
std::shared_ptr<ConnectionState> connectionState,
std::unique_ptr<ConnectionInfo> connectionInfo) {
// original ptr in WebSocketServer::handleConnection and the callback argument
REQUIRE(webSocket.use_count() == 2);
webSocket->setOnMessageCallback([&webSocketPtr, webSocket, connectionState](
const ix::WebSocketMessagePtr& msg) {
if (msg->type == ix::WebSocketMessageType::Open)
{
log(std::string("New connection id: ") + connectionState->getId());
// original ptr in WebSocketServer::handleConnection, captured ptr of
// this callback, and ptr in WebSocketServer::_clients
REQUIRE(webSocket.use_count() == 3);
webSocketPtr = std::shared_ptr<WebSocket>(webSocket);
REQUIRE(webSocket.use_count() == 4);
}
else if (msg->type == ix::WebSocketMessageType::Close)
{
log(std::string("Client closed connection id: ") +
connectionState->getId());
}
else
{
log(std::string(msg->str));
}
});
// original ptr in WebSocketServer::handleConnection, argument of this callback,
// and captured ptr in websocket callback
REQUIRE(webSocket.use_count() == 3);
});
// original ptr in WebSocketServer::handleConnection, argument of this callback, and captured ptr in websocket callback
REQUIRE(webSocket.use_count() == 3);
});
server.listen();
server.start();
@ -169,7 +169,8 @@ TEST_CASE("Websocket leak test")
ix::msleep(500);
REQUIRE(server.getClients().size() == 0);
// websocket should only be referenced by webSocketPtr but is still used by the websocket callback
// websocket should only be referenced by webSocketPtr but is still used by the
// websocket callback
REQUIRE(webSocketPtr.use_count() == 1);
webSocketPtr->setOnMessageCallback(nullptr);
// websocket should only be referenced by webSocketPtr