Add an Apply button to the Web UI when running as a Win32 Service (#700)

src/confighttp.cpp

@@ -494,6 +494,7 @@ void getConfig(resp_https_t response, req_https_t request) {
 
   outputTree.put("status", "true");
   outputTree.put("platform", SUNSHINE_PLATFORM);
+  outputTree.put("restart_supported", platf::restart_supported());
 
   auto vars = config::parse_config(read_file(config::sunshine.config_file.c_str()));
 
@@ -537,6 +538,37 @@ void saveConfig(resp_https_t response, req_https_t request) {
   }
 }
 
+void restart(resp_https_t response, req_https_t request) {
+  if(!authenticate(response, request)) return;
+
+  print_req(request);
+
+  std::stringstream ss;
+  std::stringstream configStream;
+  ss << request->content.rdbuf();
+  pt::ptree outputTree;
+  auto g = util::fail_guard([&]() {
+    std::ostringstream data;
+
+    pt::write_json(data, outputTree);
+    response->write(data.str());
+  });
+
+  if(!platf::restart_supported()) {
+    outputTree.put("status", false);
+    outputTree.put("error", "Restart is not currently supported on this platform");
+    return;
+  }
+
+  if(!platf::restart()) {
+    outputTree.put("status", false);
+    outputTree.put("error", "Restart failed");
+    return;
+  }
+
+  outputTree.put("status", true);
+}
+
 void savePassword(resp_https_t response, req_https_t request) {
   if(!config::sunshine.username.empty() && !authenticate(response, request)) return;
 
@@ -678,6 +710,7 @@ void start() {
   server.resource["^/api/apps$"]["POST"]                   = saveApp;
   server.resource["^/api/config$"]["GET"]                  = getConfig;
   server.resource["^/api/config$"]["POST"]                 = saveConfig;
+  server.resource["^/api/restart$"]["POST"]                = restart;
   server.resource["^/api/password$"]["POST"]               = savePassword;
   server.resource["^/api/apps/([0-9]+)$"]["DELETE"]        = deleteApp;
   server.resource["^/api/clients/unpair$"]["POST"]         = unpairAll;

src/platform/common.h

@@ -318,6 +318,9 @@ void adjust_thread_priority(thread_priority_e priority);
 void streaming_will_start();
 void streaming_will_stop();
 
+bool restart_supported();
+bool restart();
+
 input_t input();
 void move_mouse(input_t &input, int deltaX, int deltaY);
 void abs_mouse(input_t &input, const touch_port_t &touch_port, float x, float y);

src/platform/linux/misc.cpp

@@ -165,6 +165,16 @@ void streaming_will_stop() {
   // Nothing to do
 }
 
+bool restart_supported() {
+  // Restart not supported yet
+  return false;
+}
+
+bool restart() {
+  // Restart not supported yet
+  return false;
+}
+
 namespace source {
 enum source_e : std::size_t {
 #ifdef SUNSHINE_BUILD_CUDA

src/platform/macos/misc.cpp

@@ -143,6 +143,16 @@ void streaming_will_stop() {
   // Nothing to do
 }
 
+bool restart_supported() {
+  // Restart not supported yet
+  return false;
+}
+
+bool restart() {
+  // Restart not supported yet
+  return false;
+}
+
 } // namespace platf
 
 namespace dyn {

src/platform/windows/misc.cpp

@@ -1,3 +1,4 @@
+#include <csignal>
 #include <filesystem>
 #include <iomanip>
 #include <sstream>
@@ -522,4 +523,16 @@ void streaming_will_stop() {
   DwmEnableMMCSS(false);
 }
 
+bool restart_supported() {
+  // Restart is supported if we're running from the service
+  return (GetConsoleWindow() == NULL);
+}
+
+bool restart() {
+  // Raise SIGINT to trigger the graceful exit logic. The service will
+  // restart us in a few seconds.
+  std::raise(SIGINT);
+  return true;
+}
+
 } // namespace platf