Starting revival of debugger system. Work on #41.

src/xenia/debug/protocols/ws/ws_protocol.cc

@@ -0,0 +1,88 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/debug/protocols/ws/ws_protocol.h>
+
+#include <xenia/debug/protocols/ws/ws_client.h>
+
+#include <gflags/gflags.h>
+
+
+using namespace xe;
+using namespace xe::debug;
+using namespace xe::debug::protocols::ws;
+
+
+DEFINE_int32(ws_debug_port, 6200,
+    "Remote debugging port for ws:// connections.");
+
+
+WSProtocol::WSProtocol(DebugServer* debug_server) :
+    Protocol(debug_server) {
+  port_ = FLAGS_ws_debug_port;
+}
+
+WSProtocol::~WSProtocol() {
+  if (socket_id_) {
+    xe_socket_close(socket_id_);
+  }
+}
+
+int WSProtocol::Setup() {
+  if (port_ == 0 || port_ == -1) {
+    return 0;
+  }
+
+  xe_socket_init();
+
+  socket_id_ = xe_socket_create_tcp();
+  if (socket_id_ == XE_INVALID_SOCKET) {
+    return 1;
+  }
+
+  xe_socket_set_keepalive(socket_id_, true);
+  xe_socket_set_reuseaddr(socket_id_, true);
+  xe_socket_set_nodelay(socket_id_, true);
+
+  if (xe_socket_bind(socket_id_, port_)) {
+    XELOGE("Could not bind listen socket: %d", errno);
+    return 1;
+  }
+
+  if (xe_socket_listen(socket_id_)) {
+    xe_socket_close(socket_id_);
+    return 1;
+  }
+
+  return 0;
+}
+
+int WSProtocol::WaitForClient() {
+  if (!socket_id_) {
+    return 1;
+  }
+
+  // Accept the first connection we get.
+  xe_socket_connection_t client_info;
+  if (xe_socket_accept(socket_id_, &client_info)) {
+    return 1;
+  }
+
+  XELOGI("WS debugger connected from %s", client_info.addr);
+
+  // Create the client object.
+  // Note that the client will delete itself when done.
+  WSClient* client = new WSClient(debug_server_, client_info.socket);
+  if (client->Setup()) {
+    // Client failed to setup - abort.
+    return 1;
+  }
+
+  return 0;
+}