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https://github.com/RGBCube/serenity
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Browser+WebDriver: Remove the connection between Browser and WebDriver
WebDriver now only has an IPC connection to WebContent. WebDriver still launches the browser, but now when the session ends, we simply send a SIGTERM signal to the browser.
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11 changed files with 20 additions and 219 deletions
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@ -9,7 +9,6 @@
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*/
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#include "Session.h"
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#include "BrowserConnection.h"
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#include "Client.h"
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#include <AK/JsonObject.h>
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#include <AK/JsonParser.h>
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@ -55,42 +54,24 @@ ErrorOr<void, Web::WebDriver::Error> Session::check_for_open_top_level_browsing_
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return {};
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}
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ErrorOr<NonnullRefPtr<Core::LocalServer>> Session::create_server(String const& socket_path, ServerType type, NonnullRefPtr<ServerPromise> promise)
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ErrorOr<NonnullRefPtr<Core::LocalServer>> Session::create_server(String const& socket_path, NonnullRefPtr<ServerPromise> promise)
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{
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dbgln("Listening for WebDriver connection on {}", socket_path);
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auto server = TRY(Core::LocalServer::try_create());
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server->listen(socket_path);
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server->on_accept = [this, type, promise](auto client_socket) mutable {
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switch (type) {
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case ServerType::Browser: {
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auto maybe_connection = adopt_nonnull_ref_or_enomem(new (nothrow) BrowserConnection(move(client_socket), m_client, session_id()));
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if (maybe_connection.is_error()) {
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promise->resolve(maybe_connection.release_error());
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return;
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}
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dbgln("WebDriver is connected to Browser socket");
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m_browser_connection = maybe_connection.release_value();
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break;
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server->on_accept = [this, promise](auto client_socket) mutable {
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auto maybe_connection = adopt_nonnull_ref_or_enomem(new (nothrow) WebContentConnection(move(client_socket), m_client, session_id()));
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if (maybe_connection.is_error()) {
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promise->resolve(maybe_connection.release_error());
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return;
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}
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case ServerType::WebContent: {
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auto maybe_connection = adopt_nonnull_ref_or_enomem(new (nothrow) WebContentConnection(move(client_socket), m_client, session_id()));
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if (maybe_connection.is_error()) {
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promise->resolve(maybe_connection.release_error());
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return;
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}
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dbgln("WebDriver is connected to WebContent socket");
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m_web_content_connection = maybe_connection.release_value();
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dbgln("WebDriver is connected to WebContent socket");
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m_web_content_connection = maybe_connection.release_value();
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break;
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}
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}
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if (m_browser_connection && m_web_content_connection)
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promise->resolve({});
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promise->resolve({});
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};
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server->on_accept_error = [promise](auto error) mutable {
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@ -104,22 +85,17 @@ ErrorOr<void> Session::start()
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{
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auto promise = TRY(ServerPromise::try_create());
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auto browser_socket_path = String::formatted("/tmp/webdriver/browser_{}_{}", getpid(), m_id);
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auto browser_server = TRY(create_server(browser_socket_path, ServerType::Browser, promise));
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auto web_content_socket_path = String::formatted("/tmp/webdriver/content_{}_{}", getpid(), m_id);
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auto web_content_server = TRY(create_server(web_content_socket_path, ServerType::WebContent, promise));
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auto web_content_socket_path = String::formatted("/tmp/webdriver/session_{}_{}", getpid(), m_id);
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auto web_content_server = TRY(create_server(web_content_socket_path, promise));
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char const* argv[] = {
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"/bin/Browser",
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"--webdriver-browser-path",
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browser_socket_path.characters(),
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"--webdriver-content-path",
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web_content_socket_path.characters(),
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nullptr,
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};
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TRY(Core::System::posix_spawn("/bin/Browser"sv, nullptr, nullptr, const_cast<char**>(argv), environ));
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m_browser_pid = TRY(Core::System::posix_spawn("/bin/Browser"sv, nullptr, nullptr, const_cast<char**>(argv), environ));
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// FIXME: Allow this to be more asynchronous. For now, this at least allows us to propagate
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// errors received while accepting the Browser and WebContent sockets.
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@ -144,7 +120,11 @@ Web::WebDriver::Response Session::stop()
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// NOTE: Handled by WebDriver::Client.
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// 3. Perform any implementation-specific cleanup steps.
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m_browser_connection->async_quit();
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if (m_browser_pid.has_value()) {
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MUST(Core::System::kill(*m_browser_pid, SIGTERM));
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m_browser_pid = {};
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}
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m_started = false;
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// 4. If an error has occurred in any of the steps above, return the error, otherwise return success with data null.
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