int rdp_guac_client_free_handler(guac_client* client) { rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data; freerdp* rdp_inst = guac_client_data->rdp_inst; rdpChannels* channels = rdp_inst->context->channels; /* Clean up RDP client */ freerdp_channels_close(channels, rdp_inst); freerdp_channels_free(channels); freerdp_disconnect(rdp_inst); freerdp_clrconv_free(((rdp_freerdp_context*) rdp_inst->context)->clrconv); cache_free(rdp_inst->context->cache); freerdp_free(rdp_inst); /* Clean up filesystem, if allocated */ if (guac_client_data->filesystem != NULL) guac_rdp_fs_free(guac_client_data->filesystem); /* Free SVC list */ guac_common_list_free(guac_client_data->available_svc); /* Free client data */ guac_common_clipboard_free(guac_client_data->clipboard); guac_common_surface_free(guac_client_data->default_surface); free(guac_client_data); return 0; }
static gboolean remmina_rdp_close_connection(RemminaProtocolWidget* gp) { rfContext* rfi; freerdp* instance; rfi = GET_DATA(gp); instance = rfi->instance; if (rfi->thread) { pthread_cancel(rfi->thread); if (rfi->thread) pthread_join(rfi->thread, NULL); } pthread_mutex_destroy(&rfi->mutex); g_mutex_free(rfi->gmutex); g_cond_free(rfi->gcond); remmina_rdp_event_uninit(gp); remmina_plugin_service->protocol_plugin_emit_signal(gp, "disconnect"); if (instance) { if ( rfi->connected ) { if (instance->context->channels) freerdp_channels_close(instance->context->channels, instance); freerdp_disconnect(instance); rfi->connected = False; } } if (rfi->rfx_context) { rfx_context_free(rfi->rfx_context); rfi->rfx_context = NULL; } if (instance) { /* Remove instance->context from gp object data to avoid double free */ g_object_steal_data(G_OBJECT(gp), "plugin-data"); if (instance->context->channels) { freerdp_channels_free(instance->context->channels); instance->context->channels = NULL; } freerdp_context_free(instance); /* context is rfContext* rfi */ freerdp_free(instance); rfi->instance = NULL; } return FALSE; }
static int wlfreerdp_run(freerdp* instance) { DWORD count; HANDLE handles[64]; DWORD status; if (!freerdp_connect(instance)) { printf("Failed to connect\n"); return -1; } handle_uwac_events(instance, g_display); while (!freerdp_shall_disconnect(instance)) { handles[0] = g_displayHandle; count = freerdp_get_event_handles(instance->context, &handles[1], 63); if (!count) { printf("Failed to get FreeRDP file descriptor\n"); break; } status = WaitForMultipleObjects(count+1, handles, FALSE, INFINITE); if (WAIT_FAILED == status) { printf("%s: WaitForMultipleObjects failed\n", __FUNCTION__); break; } if (!handle_uwac_events(instance, g_display)) { printf("error handling UWAC events\n"); break; } //if (WaitForMultipleObjects(count, &handles[1], FALSE, INFINITE)) { if (freerdp_check_event_handles(instance->context) != TRUE) { printf("Failed to check FreeRDP file descriptor\n"); break; } //} } freerdp_channels_disconnect(instance->context->channels, instance); freerdp_disconnect(instance); return 0; }
static gboolean remmina_rdp_close_connection(RemminaProtocolWidget* gp) { rfContext* rfi; freerdp* instance; rfi = GET_DATA(gp); instance = rfi->instance; if (rfi->thread) { pthread_cancel(rfi->thread); if (rfi->thread) pthread_join(rfi->thread, NULL); } pthread_mutex_destroy(&rfi->mutex); g_mutex_free(rfi->gmutex); g_cond_free(rfi->gcond); remmina_rdp_event_uninit(gp); remmina_plugin_service->protocol_plugin_emit_signal(gp, "disconnect"); if (instance) { if (rfi->channels) { //freerdp_channels_close(rfi->channels, instance); freerdp_channels_free(rfi->channels); rfi->channels = NULL; } if (freerdp_shall_disconnect(instance)) { freerdp_disconnect(instance); } } if (rfi->rfx_context) { rfx_context_free(rfi->rfx_context); rfi->rfx_context = NULL; } if (instance) { //freerdp_context_free(instance); /* context is rfContext* rfi */ freerdp_free(instance); } return FALSE; }
static DWORD WINAPI tf_client_thread_proc(LPVOID arg) { freerdp* instance = (freerdp*)arg; DWORD nCount; DWORD status; HANDLE handles[64]; if (!freerdp_connect(instance)) { WLog_ERR(TAG, "connection failure"); return 0; } while (!freerdp_shall_disconnect(instance)) { nCount = freerdp_get_event_handles(instance->context, &handles[0], 64); if (nCount == 0) { WLog_ERR(TAG, "%s: freerdp_get_event_handles failed", __FUNCTION__); break; } status = WaitForMultipleObjects(nCount, handles, FALSE, 100); if (status == WAIT_FAILED) { WLog_ERR(TAG, "%s: WaitForMultipleObjects failed with %"PRIu32"", __FUNCTION__, status); break; } if (!freerdp_check_event_handles(instance->context)) { if (freerdp_get_last_error(instance->context) == FREERDP_ERROR_SUCCESS) WLog_ERR(TAG, "Failed to check FreeRDP event handles"); break; } } freerdp_disconnect(instance); ExitThread(0); return 0; }
static int runInstance(int argc, char* argv[], freerdp** inst) { int rc = -1; freerdp* instance = freerdp_new(); if (!instance) goto finish; if (inst) *inst = instance; if (!freerdp_context_new(instance)) goto finish; if (freerdp_client_settings_parse_command_line(instance->settings, argc, argv, FALSE) < 0) goto finish; if (!freerdp_client_load_addins(instance->context->channels, instance->settings)) goto finish; if (s_sync) { if (!SetEvent(s_sync)) goto finish; } rc = 1; if (!freerdp_connect(instance)) goto finish; rc = 2; if (!freerdp_disconnect(instance)) goto finish; rc = 0; finish: freerdp_context_free(instance); freerdp_free(instance); return rc; }
static void* android_thread_func(void* param) { DWORD status = ERROR_BAD_ARGUMENTS; freerdp* instance = param; WLog_DBG(TAG, "Start..."); if (!instance || !instance->context) goto fail; if (freerdp_client_start(instance->context) != CHANNEL_RC_OK) goto fail; WLog_DBG(TAG, "Connect..."); if (!freerdp_connect(instance)) status = GetLastError(); else { status = android_freerdp_run(instance); WLog_DBG(TAG, "Disonnect..."); if (!freerdp_disconnect(instance)) status = GetLastError(); } WLog_DBG(TAG, "Stop..."); if (freerdp_client_stop(instance->context) != CHANNEL_RC_OK) goto fail; fail: WLog_DBG(TAG, "Session ended with %08lX", status); if (status == CHANNEL_RC_OK) freerdp_callback("OnDisconnected", "(I)V", instance); else freerdp_callback("OnConnectionFailure", "(I)V", instance); WLog_DBG(TAG, "Quit."); ExitThread(status); return NULL; }
static void* tf_client_thread_proc(freerdp* instance) { DWORD nCount; DWORD status; HANDLE handles[64]; if (!freerdp_connect(instance)) { WLog_ERR(TAG, "connection failure"); return NULL; } while (!freerdp_shall_disconnect(instance)) { nCount = freerdp_get_event_handles(instance->context, &handles[0], 64); if (nCount == 0) { WLog_ERR(TAG, "%s: freerdp_get_event_handles failed", __FUNCTION__); break; } status = WaitForMultipleObjects(nCount, handles, FALSE, 100); if (status == WAIT_FAILED) { WLog_ERR(TAG, "%s: WaitForMultipleObjects failed with %lu", __FUNCTION__, (unsigned long) status); break; } if (!freerdp_check_event_handles(instance->context)) { WLog_ERR(TAG, "Failed to check FreeRDP event handles"); break; } } freerdp_disconnect(instance); ExitThread(0); return NULL; }
static int wlfreerdp_run(freerdp* instance) { DWORD count; HANDLE handles[64]; DWORD status; if (!freerdp_connect(instance)) { printf("Failed to connect\n"); return -1; } while (!freerdp_shall_disconnect(instance)) { count = freerdp_get_event_handles(instance->context, handles, 64); if (!count) { printf("Failed to get FreeRDP file descriptor\n"); break; } status = WaitForMultipleObjects(count, handles, FALSE, INFINITE); if (WAIT_FAILED == status) { printf("%s: WaitForMultipleObjects failed\n", __FUNCTION__); break; } if (freerdp_check_event_handles(instance->context) != TRUE) { printf("Failed to check FreeRDP file descriptor\n"); break; } } freerdp_channels_disconnect(instance->context->channels, instance); freerdp_disconnect(instance); return 0; }
/***************************************************************************** * Close: *****************************************************************************/ static void Close( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = p_demux->p_sys; vlc_cancel( p_sys->thread ); vlc_join( p_sys->thread, NULL ); if ( p_sys->es ) es_out_Del( p_demux->out, p_sys->es ); freerdp_disconnect( p_sys->p_instance ); freerdp_free( p_sys->p_instance ); #if FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR < 2 freerdp_channels_global_uninit(); #endif if ( p_sys->p_block ) block_Release( p_sys->p_block ); free( p_sys->psz_hostname ); }
/***************************************************************************** * Open: *****************************************************************************/ static int Open( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; if (p_demux->out == NULL) return VLC_EGENERIC; p_sys = vlc_obj_calloc( p_this, 1, sizeof(demux_sys_t) ); if( !p_sys ) return VLC_ENOMEM; p_sys->f_fps = var_InheritFloat( p_demux, CFG_PREFIX "fps" ); if ( p_sys->f_fps <= 0 ) p_sys->f_fps = 1.0; p_sys->i_frame_interval = CLOCK_FREQ / p_sys->f_fps; #if FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR < 2 freerdp_channels_global_init(); #endif p_sys->p_instance = freerdp_new(); if ( !p_sys->p_instance ) { msg_Err( p_demux, "rdp instantiation error" ); return VLC_EGENERIC; } p_demux->p_sys = p_sys; p_sys->p_instance->PreConnect = preConnectHandler; p_sys->p_instance->PostConnect = postConnectHandler; p_sys->p_instance->Authenticate = authenticateHandler; /* Set up context handlers and let it be allocated */ p_sys->p_instance->ContextSize = sizeof( vlcrdp_context_t ); freerdp_context_new( p_sys->p_instance ); vlcrdp_context_t * p_vlccontext = (vlcrdp_context_t *) p_sys->p_instance->context; p_vlccontext->p_demux = p_demux; /* Parse uri params for pre-connect */ vlc_url_t url; vlc_UrlParse( &url, p_demux->psz_location ); if ( !EMPTY_STR(url.psz_host) ) p_sys->psz_hostname = strdup( url.psz_host ); else p_sys->psz_hostname = strdup( "localhost" ); p_sys->i_port = ( url.i_port > 0 ) ? url.i_port : 3389; vlc_UrlClean( &url ); if ( ! freerdp_connect( p_sys->p_instance ) ) { msg_Err( p_demux, "can't connect to rdp server" ); goto error; } if ( vlc_clone( &p_sys->thread, DemuxThread, p_demux, VLC_THREAD_PRIORITY_INPUT ) != VLC_SUCCESS ) { msg_Err( p_demux, "can't spawn thread" ); freerdp_disconnect( p_sys->p_instance ); goto error; } p_demux->pf_demux = NULL; p_demux->pf_control = Control; return VLC_SUCCESS; error: freerdp_free( p_sys->p_instance ); free( p_sys->psz_hostname ); return VLC_EGENERIC; }
int android_freerdp_run(freerdp* instance) { int i; int fds; int max_fds; int rcount; int wcount; void* rfds[32]; void* wfds[32]; fd_set rfds_set; fd_set wfds_set; int select_status; struct timeval timeout; assert(instance); memset(rfds, 0, sizeof(rfds)); memset(wfds, 0, sizeof(wfds)); if (!freerdp_connect(instance)) { freerdp_callback("OnConnectionFailure", "(I)V", instance); return 0; } ((androidContext*)instance->context)->is_connected = TRUE; while (!freerdp_shall_disconnect(instance)) { rcount = 0; wcount = 0; if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get FreeRDP file descriptor\n"); break; } if (freerdp_channels_get_fds(instance->context->channels, instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get channel manager file descriptor\n"); break; } if (android_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get android file descriptor\n"); break; } max_fds = 0; FD_ZERO(&rfds_set); FD_ZERO(&wfds_set); for (i = 0; i < rcount; i++) { fds = (int)(long)(rfds[i]); if (fds > max_fds) max_fds = fds; FD_SET(fds, &rfds_set); } if (max_fds == 0) break; timeout.tv_sec = 1; timeout.tv_usec = 0; select_status = select(max_fds + 1, &rfds_set, NULL, NULL, &timeout); if (select_status == 0) continue; else if (select_status == -1) { /* these are not really errors */ if (!((errno == EAGAIN) || (errno == EWOULDBLOCK) || (errno == EINPROGRESS) || (errno == EINTR))) /* signal occurred */ { DEBUG_ANDROID("android_run: select failed\n"); break; } } if (freerdp_shall_disconnect(instance)) break; if (freerdp_check_fds(instance) != TRUE) { DEBUG_ANDROID("Failed to check FreeRDP file descriptor\n"); break; } if (android_check_fds(instance) != TRUE) { DEBUG_ANDROID("Failed to check android file descriptor\n"); break; } if (freerdp_channels_check_fds(instance->context->channels, instance) != TRUE) { DEBUG_ANDROID("Failed to check channel manager file descriptor\n"); break; } android_process_channel_event(instance->context->channels, instance); } // issue another OnDisconnecting here in case the disconnect was initiated by the sever and not our client freerdp_callback("OnDisconnecting", "(I)V", instance); freerdp_channels_close(instance->context->channels, instance); freerdp_disconnect(instance); gdi_free(instance); cache_free(instance->context->cache); android_cliprdr_uninit(instance); freerdp_callback("OnDisconnected", "(I)V", instance); return 0; }
DWORD WINAPI wf_client_thread(LPVOID lpParam) { MSG msg; int width; int height; BOOL msg_ret; int quit_msg; DWORD nCount; HANDLE handles[64]; wfContext* wfc; freerdp* instance; rdpContext* context; rdpChannels* channels; rdpSettings* settings; BOOL async_input; BOOL async_transport; HANDLE input_thread; instance = (freerdp*) lpParam; context = instance->context; wfc = (wfContext*) instance->context; if (!freerdp_connect(instance)) return 0; channels = instance->context->channels; settings = instance->context->settings; async_input = settings->AsyncInput; async_transport = settings->AsyncTransport; if (async_input) { if (!(input_thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) wf_input_thread, instance, 0, NULL))) { WLog_ERR(TAG, "Failed to create async input thread."); goto disconnect; } } while (1) { nCount = 0; if (freerdp_focus_required(instance)) { wf_event_focus_in(wfc); wf_event_focus_in(wfc); } if (!async_transport) { DWORD tmp = freerdp_get_event_handles(context, &handles[nCount], 64 - nCount); if (tmp == 0) { WLog_ERR(TAG, "freerdp_get_event_handles failed"); break; } nCount += tmp; } if (MsgWaitForMultipleObjects(nCount, handles, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED) { WLog_ERR(TAG, "wfreerdp_run: WaitForMultipleObjects failed: 0x%04X", GetLastError()); break; } if (!async_transport) { if (!freerdp_check_event_handles(context)) { if (wf_auto_reconnect(instance)) continue; WLog_ERR(TAG, "Failed to check FreeRDP file descriptor"); break; } } if (freerdp_shall_disconnect(instance)) break; quit_msg = FALSE; while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { msg_ret = GetMessage(&msg, NULL, 0, 0); if (instance->settings->EmbeddedWindow) { if ((msg.message == WM_SETFOCUS) && (msg.lParam == 1)) { PostMessage(wfc->hwnd, WM_SETFOCUS, 0, 0); } else if ((msg.message == WM_KILLFOCUS) && (msg.lParam == 1)) { PostMessage(wfc->hwnd, WM_KILLFOCUS, 0, 0); } } if (msg.message == WM_SIZE) { width = LOWORD(msg.lParam); height = HIWORD(msg.lParam); SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED); } if ((msg_ret == 0) || (msg_ret == -1)) { quit_msg = TRUE; break; } TranslateMessage(&msg); DispatchMessage(&msg); } if (quit_msg) break; } /* cleanup */ freerdp_channels_disconnect(channels, instance); if (async_input) { wMessageQueue* input_queue; input_queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE); if (MessageQueue_PostQuit(input_queue, 0)) WaitForSingleObject(input_thread, INFINITE); CloseHandle(input_thread); } disconnect: freerdp_disconnect(instance); WLog_DBG(TAG, "Main thread exited."); ExitThread(0); return 0; }
DWORD WINAPI wf_client_thread(LPVOID lpParam) { MSG msg; int index; int rcount; int wcount; int width; int height; BOOL msg_ret; int quit_msg; void* rfds[32]; void* wfds[32]; int fds_count; HANDLE fds[64]; wfContext* wfc; freerdp* instance; rdpChannels* channels; instance = (freerdp*) lpParam; assert(NULL != instance); wfc = (wfContext*) instance->context; assert(NULL != wfc); ZeroMemory(rfds, sizeof(rfds)); ZeroMemory(wfds, sizeof(wfds)); if (freerdp_connect(instance) != TRUE) return 0; channels = instance->context->channels; while (1) { rcount = 0; wcount = 0; if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get FreeRDP file descriptor\n"); break; } if (wf_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get wfreerdp file descriptor\n"); break; } if (freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get channel manager file descriptor\n"); break; } fds_count = 0; /* setup read fds */ for (index = 0; index < rcount; index++) { fds[fds_count++] = rfds[index]; } /* setup write fds */ for (index = 0; index < wcount; index++) { fds[fds_count++] = wfds[index]; } /* exit if nothing to do */ if (fds_count == 0) { fprintf(stderr, "wfreerdp_run: fds_count is zero\n"); break; } /* do the wait */ if (MsgWaitForMultipleObjects(fds_count, fds, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED) { fprintf(stderr, "wfreerdp_run: WaitForMultipleObjects failed: 0x%04X\n", GetLastError()); break; } if (freerdp_check_fds(instance) != TRUE) { fprintf(stderr, "Failed to check FreeRDP file descriptor\n"); break; } if (freerdp_shall_disconnect(instance)) { break; } if (wf_check_fds(instance) != TRUE) { fprintf(stderr, "Failed to check wfreerdp file descriptor\n"); break; } if (freerdp_channels_check_fds(channels, instance) != TRUE) { fprintf(stderr, "Failed to check channel manager file descriptor\n"); break; } wf_process_channel_event(channels, instance); quit_msg = FALSE; while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { msg_ret = GetMessage(&msg, NULL, 0, 0); if (instance->settings->EmbeddedWindow) { if ((msg.message == WM_SETFOCUS) && (msg.lParam == 1)) { PostMessage(wfc->hwnd, WM_SETFOCUS, 0, 0); } else if ((msg.message == WM_KILLFOCUS) && (msg.lParam == 1)) { PostMessage(wfc->hwnd, WM_KILLFOCUS, 0, 0); } } if (msg.message == WM_SIZE) { width = LOWORD(msg.lParam); height = HIWORD(msg.lParam); //wfc->client_width = width; //wfc->client_height = height; SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED); } if ((msg_ret == 0) || (msg_ret == -1)) { quit_msg = TRUE; break; } TranslateMessage(&msg); DispatchMessage(&msg); } if (quit_msg) break; } /* cleanup */ freerdp_channels_close(channels, instance); freerdp_disconnect(instance); printf("Main thread exited.\n"); ExitThread(0); return 0; }
DWORD WINAPI wf_thread(LPVOID lpParam) { MSG msg; int index; int rcount; int wcount; BOOL msg_ret; int quit_msg; void* rfds[32]; void* wfds[32]; int fds_count; HANDLE fds[64]; freerdp* instance; rdpChannels* channels; instance = (freerdp*) lpParam; ZeroMemory(rfds, sizeof(rfds)); ZeroMemory(wfds, sizeof(wfds)); if (freerdp_connect(instance) != TRUE) return 0; channels = instance->context->channels; while (1) { rcount = 0; wcount = 0; if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get FreeRDP file descriptor\n"); break; } if (wf_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get wfreerdp file descriptor\n"); break; } if (freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get channel manager file descriptor\n"); break; } fds_count = 0; /* setup read fds */ for (index = 0; index < rcount; index++) { fds[fds_count++] = rfds[index]; } /* setup write fds */ for (index = 0; index < wcount; index++) { fds[fds_count++] = wfds[index]; } /* exit if nothing to do */ if (fds_count == 0) { fprintf(stderr, "wfreerdp_run: fds_count is zero\n"); break; } /* do the wait */ if (MsgWaitForMultipleObjects(fds_count, fds, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED) { fprintf(stderr, "wfreerdp_run: WaitForMultipleObjects failed: 0x%04X\n", GetLastError()); break; } if (freerdp_check_fds(instance) != TRUE) { fprintf(stderr, "Failed to check FreeRDP file descriptor\n"); break; } if (freerdp_shall_disconnect(instance)) { break; } if (wf_check_fds(instance) != TRUE) { fprintf(stderr, "Failed to check wfreerdp file descriptor\n"); break; } if (freerdp_channels_check_fds(channels, instance) != TRUE) { fprintf(stderr, "Failed to check channel manager file descriptor\n"); break; } wf_process_channel_event(channels, instance); quit_msg = FALSE; while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE)) { msg_ret = GetMessage(&msg, NULL, 0, 0); if (msg_ret == 0 || msg_ret == -1) { quit_msg = TRUE; break; } TranslateMessage(&msg); DispatchMessage(&msg); } if (quit_msg) break; } /* cleanup */ freerdp_channels_close(channels, instance); freerdp_disconnect(instance); return 0; }
/** Creates a new connection based on the settings found in the "instance" parameter * It will use the callbacks registered on the structure to process the pre/post connect operations * that the caller requires. * @see struct rdp_freerdp in freerdp.h * * @param instance - pointer to a rdp_freerdp structure that contains base information to establish the connection. * On return, this function will be initialized with the new connection's settings. * * @return TRUE if successful. FALSE otherwise. * */ BOOL freerdp_connect(freerdp* instance) { UINT status2 = CHANNEL_RC_OK; rdpRdp* rdp; BOOL status = TRUE; rdpSettings* settings; ConnectionResultEventArgs e; if (!instance) return FALSE; /* We always set the return code to 0 before we start the connect sequence*/ connectErrorCode = 0; instance->context->LastError = FREERDP_ERROR_SUCCESS; clearChannelError(instance->context); ResetEvent(instance->context->abortEvent); rdp = instance->context->rdp; settings = instance->settings; instance->context->codecs = codecs_new(instance->context); IFCALLRET(instance->PreConnect, status, instance); if (status) status2 = freerdp_channels_pre_connect(instance->context->channels, instance); if (settings->KeyboardLayout == KBD_JAPANESE_INPUT_SYSTEM_MS_IME2002) { settings->KeyboardType = 7; settings->KeyboardSubType = 2; settings->KeyboardFunctionKey = 12; } if (!status || (status2 != CHANNEL_RC_OK)) { if (!freerdp_get_last_error(rdp->context)) freerdp_set_last_error(instance->context, FREERDP_ERROR_PRE_CONNECT_FAILED); WLog_ERR(TAG, "freerdp_pre_connect failed"); goto freerdp_connect_finally; } status = rdp_client_connect(rdp); /* --authonly tests the connection without a UI */ if (instance->settings->AuthenticationOnly) { WLog_ERR(TAG, "Authentication only, exit status %"PRId32"", !status); goto freerdp_connect_finally; } if (!status) goto freerdp_connect_finally; if (status) { UINT status2; if (instance->settings->DumpRemoteFx) { instance->update->pcap_rfx = pcap_open(instance->settings->DumpRemoteFxFile, TRUE); if (instance->update->pcap_rfx) instance->update->dump_rfx = TRUE; } IFCALLRET(instance->PostConnect, status, instance); if (status) status2 = freerdp_channels_post_connect(instance->context->channels, instance); if (!status || (status2 != CHANNEL_RC_OK) || !update_post_connect(instance->update)) { WLog_ERR(TAG, "freerdp_post_connect failed"); if (!freerdp_get_last_error(rdp->context)) freerdp_set_last_error(instance->context, FREERDP_ERROR_POST_CONNECT_FAILED); status = FALSE; goto freerdp_connect_finally; } if (instance->settings->PlayRemoteFx) { wStream* s; rdpUpdate* update; pcap_record record; update = instance->update; update->pcap_rfx = pcap_open(settings->PlayRemoteFxFile, FALSE); status = FALSE; if (!update->pcap_rfx) goto freerdp_connect_finally; else update->play_rfx = TRUE; status = TRUE; while (pcap_has_next_record(update->pcap_rfx) && status) { pcap_get_next_record_header(update->pcap_rfx, &record); if (!(s = StreamPool_Take(rdp->transport->ReceivePool, record.length))) break; record.data = Stream_Buffer(s); pcap_get_next_record_content(update->pcap_rfx, &record); Stream_SetLength(s, record.length); Stream_SetPosition(s, 0); if (!update->BeginPaint(update->context)) status = FALSE; else if (update_recv_surfcmds(update, s) < 0) status = FALSE; else if (!update->EndPaint(update->context)) status = FALSE; Stream_Release(s); } pcap_close(update->pcap_rfx); update->pcap_rfx = NULL; goto freerdp_connect_finally; } } if (rdp->errorInfo == ERRINFO_SERVER_INSUFFICIENT_PRIVILEGES) freerdp_set_last_error(instance->context, FREERDP_ERROR_INSUFFICIENT_PRIVILEGES); SetEvent(rdp->transport->connectedEvent); freerdp_connect_finally: EventArgsInit(&e, "freerdp"); e.result = status ? 0 : -1; PubSub_OnConnectionResult(instance->context->pubSub, instance->context, &e); if (!status) freerdp_disconnect(instance); return status; }
/** * Connects to an RDP server as described by the guac_rdp_settings structure * associated with the given client, allocating and freeing all objects * directly related to the RDP connection. It is expected that all objects * which are independent of FreeRDP's state (the clipboard, display update * management, etc.) will already be allocated and associated with the * guac_rdp_client associated with the given guac_client. This function blocks * for the duration of the RDP session, returning only after the session has * completely disconnected. * * @param client * The guac_client associated with the RDP settings describing the * connection that should be established. * * @return * Zero if the connection successfully terminated and a reconnect is * desired, non-zero if an error occurs or the connection was disconnected * and a reconnect is NOT desired. */ static int guac_rdp_handle_connection(guac_client* client) { guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; guac_rdp_settings* settings = rdp_client->settings; /* Init random number generator */ srandom(time(NULL)); /* Set up screen recording, if requested */ if (settings->recording_path != NULL) { guac_common_recording_create(client, settings->recording_path, settings->recording_name, settings->create_recording_path); } /* Create display */ rdp_client->display = guac_common_display_alloc(client, rdp_client->settings->width, rdp_client->settings->height); rdp_client->current_surface = rdp_client->display->default_surface; rdp_client->requested_clipboard_format = CB_FORMAT_TEXT; rdp_client->available_svc = guac_common_list_alloc(); #ifdef HAVE_FREERDP_CHANNELS_GLOBAL_INIT freerdp_channels_global_init(); #endif /* Init client */ freerdp* rdp_inst = freerdp_new(); rdp_inst->PreConnect = rdp_freerdp_pre_connect; rdp_inst->PostConnect = rdp_freerdp_post_connect; rdp_inst->Authenticate = rdp_freerdp_authenticate; rdp_inst->VerifyCertificate = rdp_freerdp_verify_certificate; rdp_inst->ReceiveChannelData = __guac_receive_channel_data; /* Allocate FreeRDP context */ #ifdef LEGACY_FREERDP rdp_inst->context_size = sizeof(rdp_freerdp_context); #else rdp_inst->ContextSize = sizeof(rdp_freerdp_context); #endif rdp_inst->ContextNew = (pContextNew) rdp_freerdp_context_new; rdp_inst->ContextFree = (pContextFree) rdp_freerdp_context_free; freerdp_context_new(rdp_inst); ((rdp_freerdp_context*) rdp_inst->context)->client = client; /* Load keymap into client */ rdp_client->keyboard = guac_rdp_keyboard_alloc(client, settings->server_layout); /* Send connection name */ guac_protocol_send_name(client->socket, settings->hostname); /* Set default pointer */ guac_common_cursor_set_pointer(rdp_client->display->cursor); /* Push desired settings to FreeRDP */ guac_rdp_push_settings(settings, rdp_inst); /* Connect to RDP server */ if (!freerdp_connect(rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Error connecting to RDP server"); return 1; } /* Connection complete */ rdp_client->rdp_inst = rdp_inst; rdpChannels* channels = rdp_inst->context->channels; guac_timestamp last_frame_end = guac_timestamp_current(); /* Signal that reconnect has been completed */ guac_rdp_disp_reconnect_complete(rdp_client->disp); /* Handle messages from RDP server while client is running */ while (client->state == GUAC_CLIENT_RUNNING && !guac_rdp_disp_reconnect_needed(rdp_client->disp)) { /* Update remote display size */ pthread_mutex_lock(&(rdp_client->rdp_lock)); guac_rdp_disp_update_size(rdp_client->disp, settings, rdp_inst); pthread_mutex_unlock(&(rdp_client->rdp_lock)); /* Wait for data and construct a reasonable frame */ int wait_result = rdp_guac_client_wait_for_messages(client, GUAC_RDP_FRAME_START_TIMEOUT); if (wait_result > 0) { int processing_lag = guac_client_get_processing_lag(client); guac_timestamp frame_start = guac_timestamp_current(); /* Read server messages until frame is built */ do { guac_timestamp frame_end; int frame_remaining; pthread_mutex_lock(&(rdp_client->rdp_lock)); /* Check the libfreerdp fds */ if (!freerdp_check_fds(rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Error handling RDP file descriptors"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } /* Check channel fds */ if (!freerdp_channels_check_fds(channels, rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Error handling RDP channel file descriptors"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } /* Check for channel events */ wMessage* event = freerdp_channels_pop_event(channels); if (event) { /* Handle channel events (clipboard and RAIL) */ #ifdef LEGACY_EVENT if (event->event_class == CliprdrChannel_Class) guac_rdp_process_cliprdr_event(client, event); else if (event->event_class == RailChannel_Class) guac_rdp_process_rail_event(client, event); #else if (GetMessageClass(event->id) == CliprdrChannel_Class) guac_rdp_process_cliprdr_event(client, event); else if (GetMessageClass(event->id) == RailChannel_Class) guac_rdp_process_rail_event(client, event); #endif freerdp_event_free(event); } /* Handle RDP disconnect */ if (freerdp_shall_disconnect(rdp_inst)) { guac_client_stop(client); guac_client_log(client, GUAC_LOG_INFO, "RDP server closed connection"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } pthread_mutex_unlock(&(rdp_client->rdp_lock)); /* Calculate time remaining in frame */ frame_end = guac_timestamp_current(); frame_remaining = frame_start + GUAC_RDP_FRAME_DURATION - frame_end; /* Calculate time that client needs to catch up */ int time_elapsed = frame_end - last_frame_end; int required_wait = processing_lag - time_elapsed; /* Increase the duration of this frame if client is lagging */ if (required_wait > GUAC_RDP_FRAME_TIMEOUT) wait_result = rdp_guac_client_wait_for_messages(client, required_wait); /* Wait again if frame remaining */ else if (frame_remaining > 0) wait_result = rdp_guac_client_wait_for_messages(client, GUAC_RDP_FRAME_TIMEOUT); else break; } while (wait_result > 0); /* Record end of frame, excluding server-side rendering time (we * assume server-side rendering time will be consistent between any * two subsequent frames, and that this time should thus be * excluded from the required wait period of the next frame). */ last_frame_end = frame_start; } /* If an error occurred, fail */ if (wait_result < 0) guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Connection closed."); /* Flush frame */ guac_common_display_flush(rdp_client->display); guac_client_end_frame(client); guac_socket_flush(client->socket); } pthread_mutex_lock(&(rdp_client->rdp_lock)); /* Disconnect client and channels */ freerdp_channels_close(channels, rdp_inst); freerdp_channels_free(channels); freerdp_disconnect(rdp_inst); /* Clean up RDP client context */ freerdp_clrconv_free(((rdp_freerdp_context*) rdp_inst->context)->clrconv); cache_free(rdp_inst->context->cache); freerdp_context_free(rdp_inst); /* Clean up RDP client */ freerdp_free(rdp_inst); rdp_client->rdp_inst = NULL; /* Free SVC list */ guac_common_list_free(rdp_client->available_svc); /* Free RDP keyboard state */ guac_rdp_keyboard_free(rdp_client->keyboard); /* Free display */ guac_common_display_free(rdp_client->display); pthread_mutex_unlock(&(rdp_client->rdp_lock)); /* Client is now disconnected */ guac_client_log(client, GUAC_LOG_INFO, "Internal RDP client disconnected"); return 0; }
static int android_freerdp_run(freerdp* instance) { int i; int fds; int max_fds; int rcount; int wcount; int fd_input_event; HANDLE input_event = NULL; void* rfds[32]; void* wfds[32]; fd_set rfds_set; fd_set wfds_set; int select_status; struct timeval timeout; const rdpSettings* settings = instance->context->settings; HANDLE input_thread = NULL; HANDLE channels_thread = NULL; BOOL async_input = settings->AsyncInput; BOOL async_channels = settings->AsyncChannels; BOOL async_transport = settings->AsyncTransport; DEBUG_ANDROID("AsyncUpdate=%d", settings->AsyncUpdate); DEBUG_ANDROID("AsyncInput=%d", settings->AsyncInput); DEBUG_ANDROID("AsyncChannels=%d", settings->AsyncChannels); DEBUG_ANDROID("AsyncTransport=%d", settings->AsyncTransport); memset(rfds, 0, sizeof(rfds)); memset(wfds, 0, sizeof(wfds)); if (!freerdp_connect(instance)) { freerdp_callback("OnConnectionFailure", "(I)V", instance); return 0; } if (async_input) { if (!(input_thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) jni_input_thread, instance, 0, NULL))) { DEBUG_ANDROID("Failed to create async input thread\n"); goto disconnect; } } if (async_channels) { if (!(channels_thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) jni_channels_thread, instance, 0, NULL))) { DEBUG_ANDROID("Failed to create async channels thread\n"); goto disconnect; } } ((androidContext*)instance->context)->is_connected = TRUE; while (!freerdp_shall_disconnect(instance)) { rcount = 0; wcount = 0; if (!async_transport) { if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get FreeRDP file descriptor\n"); break; } } if (!async_channels) { if (freerdp_channels_get_fds(instance->context->channels, instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get channel manager file descriptor\n"); break; } } if (!async_input) { if (android_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { DEBUG_ANDROID("Failed to get android file descriptor\n"); break; } } else { input_event = freerdp_get_message_queue_event_handle(instance, FREERDP_INPUT_MESSAGE_QUEUE); fd_input_event = GetEventFileDescriptor(input_event); rfds[rcount++] = (void*) (long) fd_input_event; } max_fds = 0; FD_ZERO(&rfds_set); FD_ZERO(&wfds_set); for (i = 0; i < rcount; i++) { fds = (int)(long)(rfds[i]); if (fds > max_fds) max_fds = fds; FD_SET(fds, &rfds_set); } if (max_fds == 0) break; timeout.tv_sec = 1; timeout.tv_usec = 0; select_status = select(max_fds + 1, &rfds_set, NULL, NULL, &timeout); if (select_status == 0) continue; else if (select_status == -1) { /* these are not really errors */ if (!((errno == EAGAIN) || (errno == EWOULDBLOCK) || (errno == EINPROGRESS) || (errno == EINTR))) /* signal occurred */ { DEBUG_ANDROID("android_run: select failed\n"); break; } } if (freerdp_shall_disconnect(instance)) break; if (!async_transport) { if (freerdp_check_fds(instance) != TRUE) { DEBUG_ANDROID("Failed to check FreeRDP file descriptor\n"); break; } } if (!async_input) { if (android_check_fds(instance) != TRUE) { DEBUG_ANDROID("Failed to check android file descriptor\n"); break; } } else if (input_event) { if (WaitForSingleObject(input_event, 0) == WAIT_OBJECT_0) { if (!freerdp_message_queue_process_pending_messages(instance, FREERDP_INPUT_MESSAGE_QUEUE)) { DEBUG_ANDROID("User Disconnect"); break; } } } if (!async_channels) { if (freerdp_channels_check_fds(instance->context->channels, instance) != TRUE) { DEBUG_ANDROID("Failed to check channel manager file descriptor\n"); break; } } } disconnect: DEBUG_ANDROID("Prepare shutdown..."); // issue another OnDisconnecting here in case the disconnect was initiated by the server and not our client freerdp_callback("OnDisconnecting", "(I)V", instance); DEBUG_ANDROID("Close channels..."); freerdp_channels_disconnect(instance->context->channels, instance); DEBUG_ANDROID("Cleanup threads..."); if (async_channels && channels_thread) { WaitForSingleObject(channels_thread, INFINITE); CloseHandle(channels_thread); } if (async_input && input_thread) { wMessageQueue* input_queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE); if (input_queue) { if (MessageQueue_PostQuit(input_queue, 0)) WaitForSingleObject(input_thread, INFINITE); } CloseHandle(input_thread); } DEBUG_ANDROID("run Disconnecting..."); freerdp_disconnect(instance); freerdp_callback("OnDisconnected", "(I)V", instance); DEBUG_ANDROID("run Quit."); return 0; }
/** * Waits for messages from the RDP server for the given number of microseconds. * * @param client * The client associated with the current RDP session. * * @param timeout_usecs * The maximum amount of time to wait, in microseconds. * * @return * A positive value if messages are ready, zero if the specified timeout * period elapsed, or a negative value if an error occurs. */ static int rdp_guac_client_wait_for_messages(guac_client* client, int timeout_usecs) { guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; freerdp* rdp_inst = rdp_client->rdp_inst; rdpChannels* channels = rdp_inst->context->channels; int result; int index; int max_fd, fd; void* read_fds[32]; void* write_fds[32]; int read_count = 0; int write_count = 0; fd_set rfds, wfds; struct timeval timeout = { .tv_sec = 0, .tv_usec = timeout_usecs }; /* Get RDP fds */ if (!freerdp_get_fds(rdp_inst, read_fds, &read_count, write_fds, &write_count)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Unable to read RDP file descriptors."); return -1; } /* Get channel fds */ if (!freerdp_channels_get_fds(channels, rdp_inst, read_fds, &read_count, write_fds, &write_count)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Unable to read RDP channel file descriptors."); return -1; } /* Construct read fd_set */ max_fd = 0; FD_ZERO(&rfds); for (index = 0; index < read_count; index++) { fd = (int)(long) (read_fds[index]); if (fd > max_fd) max_fd = fd; FD_SET(fd, &rfds); } /* Construct write fd_set */ FD_ZERO(&wfds); for (index = 0; index < write_count; index++) { fd = (int)(long) (write_fds[index]); if (fd > max_fd) max_fd = fd; FD_SET(fd, &wfds); } /* If no file descriptors, error */ if (max_fd == 0) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "No file descriptors associated with RDP connection."); return -1; } /* Wait for all RDP file descriptors */ result = select(max_fd + 1, &rfds, &wfds, NULL, &timeout); if (result < 0) { /* If error ignorable, pretend timout occurred */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == EINTR) return 0; /* Otherwise, return as error */ guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Error waiting for file descriptor."); return -1; } /* Return wait result */ return result; } /** * Connects to an RDP server as described by the guac_rdp_settings structure * associated with the given client, allocating and freeing all objects * directly related to the RDP connection. It is expected that all objects * which are independent of FreeRDP's state (the clipboard, display update * management, etc.) will already be allocated and associated with the * guac_rdp_client associated with the given guac_client. This function blocks * for the duration of the RDP session, returning only after the session has * completely disconnected. * * @param client * The guac_client associated with the RDP settings describing the * connection that should be established. * * @return * Zero if the connection successfully terminated and a reconnect is * desired, non-zero if an error occurs or the connection was disconnected * and a reconnect is NOT desired. */ static int guac_rdp_handle_connection(guac_client* client) { guac_rdp_client* rdp_client = (guac_rdp_client*) client->data; guac_rdp_settings* settings = rdp_client->settings; /* Init random number generator */ srandom(time(NULL)); /* Set up screen recording, if requested */ if (settings->recording_path != NULL) { guac_common_recording_create(client, settings->recording_path, settings->recording_name, settings->create_recording_path); } /* Create display */ rdp_client->display = guac_common_display_alloc(client, rdp_client->settings->width, rdp_client->settings->height); rdp_client->current_surface = rdp_client->display->default_surface; rdp_client->requested_clipboard_format = CB_FORMAT_TEXT; rdp_client->available_svc = guac_common_list_alloc(); #ifdef HAVE_FREERDP_CHANNELS_GLOBAL_INIT freerdp_channels_global_init(); #endif /* Init client */ freerdp* rdp_inst = freerdp_new(); rdp_inst->PreConnect = rdp_freerdp_pre_connect; rdp_inst->PostConnect = rdp_freerdp_post_connect; rdp_inst->Authenticate = rdp_freerdp_authenticate; rdp_inst->VerifyCertificate = rdp_freerdp_verify_certificate; rdp_inst->ReceiveChannelData = __guac_receive_channel_data; /* Allocate FreeRDP context */ #ifdef LEGACY_FREERDP rdp_inst->context_size = sizeof(rdp_freerdp_context); #else rdp_inst->ContextSize = sizeof(rdp_freerdp_context); #endif rdp_inst->ContextNew = (pContextNew) rdp_freerdp_context_new; rdp_inst->ContextFree = (pContextFree) rdp_freerdp_context_free; freerdp_context_new(rdp_inst); ((rdp_freerdp_context*) rdp_inst->context)->client = client; /* Load keymap into client */ __guac_rdp_client_load_keymap(client, settings->server_layout); /* Send connection name */ guac_protocol_send_name(client->socket, settings->hostname); /* Set default pointer */ guac_common_cursor_set_pointer(rdp_client->display->cursor); /* Push desired settings to FreeRDP */ guac_rdp_push_settings(settings, rdp_inst); /* Connect to RDP server */ if (!freerdp_connect(rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Error connecting to RDP server"); return 1; } /* Connection complete */ rdp_client->rdp_inst = rdp_inst; rdpChannels* channels = rdp_inst->context->channels; guac_timestamp last_frame_end = guac_timestamp_current(); /* Signal that reconnect has been completed */ guac_rdp_disp_reconnect_complete(rdp_client->disp); /* Handle messages from RDP server while client is running */ while (client->state == GUAC_CLIENT_RUNNING && !guac_rdp_disp_reconnect_needed(rdp_client->disp)) { /* Update remote display size */ pthread_mutex_lock(&(rdp_client->rdp_lock)); guac_rdp_disp_update_size(rdp_client->disp, settings, rdp_inst); pthread_mutex_unlock(&(rdp_client->rdp_lock)); /* Wait for data and construct a reasonable frame */ int wait_result = rdp_guac_client_wait_for_messages(client, GUAC_RDP_FRAME_START_TIMEOUT); if (wait_result > 0) { int processing_lag = guac_client_get_processing_lag(client); guac_timestamp frame_start = guac_timestamp_current(); /* Read server messages until frame is built */ do { guac_timestamp frame_end; int frame_remaining; pthread_mutex_lock(&(rdp_client->rdp_lock)); /* Check the libfreerdp fds */ if (!freerdp_check_fds(rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Error handling RDP file descriptors"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } /* Check channel fds */ if (!freerdp_channels_check_fds(channels, rdp_inst)) { guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Error handling RDP channel file descriptors"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } /* Check for channel events */ wMessage* event = freerdp_channels_pop_event(channels); if (event) { /* Handle channel events (clipboard and RAIL) */ #ifdef LEGACY_EVENT if (event->event_class == CliprdrChannel_Class) guac_rdp_process_cliprdr_event(client, event); else if (event->event_class == RailChannel_Class) guac_rdp_process_rail_event(client, event); #else if (GetMessageClass(event->id) == CliprdrChannel_Class) guac_rdp_process_cliprdr_event(client, event); else if (GetMessageClass(event->id) == RailChannel_Class) guac_rdp_process_rail_event(client, event); #endif freerdp_event_free(event); } /* Handle RDP disconnect */ if (freerdp_shall_disconnect(rdp_inst)) { guac_client_stop(client); guac_client_log(client, GUAC_LOG_INFO, "RDP server closed connection"); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 1; } pthread_mutex_unlock(&(rdp_client->rdp_lock)); /* Calculate time remaining in frame */ frame_end = guac_timestamp_current(); frame_remaining = frame_start + GUAC_RDP_FRAME_DURATION - frame_end; /* Calculate time that client needs to catch up */ int time_elapsed = frame_end - last_frame_end; int required_wait = processing_lag - time_elapsed; /* Increase the duration of this frame if client is lagging */ if (required_wait > GUAC_RDP_FRAME_TIMEOUT) wait_result = rdp_guac_client_wait_for_messages(client, required_wait*1000); /* Wait again if frame remaining */ else if (frame_remaining > 0) wait_result = rdp_guac_client_wait_for_messages(client, GUAC_RDP_FRAME_TIMEOUT*1000); else break; } while (wait_result > 0); } /* If an error occurred, fail */ if (wait_result < 0) guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Connection closed."); /* End of frame */ guac_common_display_flush(rdp_client->display); guac_client_end_frame(client); guac_socket_flush(client->socket); /* Record end of frame */ last_frame_end = guac_timestamp_current(); } /* Kill client and finish connection */ guac_client_stop(client); guac_client_log(client, GUAC_LOG_INFO, "Internal RDP client disconnected"); pthread_mutex_lock(&(rdp_client->rdp_lock)); /* Disconnect client and channels */ freerdp_channels_close(channels, rdp_inst); freerdp_channels_free(channels); freerdp_disconnect(rdp_inst); /* Clean up RDP client context */ freerdp_clrconv_free(((rdp_freerdp_context*) rdp_inst->context)->clrconv); cache_free(rdp_inst->context->cache); freerdp_context_free(rdp_inst); /* Clean up RDP client */ freerdp_free(rdp_inst); rdp_client->rdp_inst = NULL; /* Free SVC list */ guac_common_list_free(rdp_client->available_svc); /* Free display */ guac_common_display_free(rdp_client->display); pthread_mutex_unlock(&(rdp_client->rdp_lock)); return 0; }
int dfreerdp_run(freerdp* instance) { int i; int fds; int max_fds; int rcount; int wcount; void* rfds[32]; void* wfds[32]; fd_set rfds_set; fd_set wfds_set; dfInfo* dfi; dfContext* context; rdpChannels* channels; ZeroMemory(rfds, sizeof(rfds)); ZeroMemory(wfds, sizeof(wfds)); if (!freerdp_connect(instance)) return 0; context = (dfContext*) instance->context; dfi = context->dfi; channels = instance->context->channels; while (1) { rcount = 0; wcount = 0; if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get FreeRDP file descriptor\n"); break; } if (freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get channel manager file descriptor\n"); break; } if (df_get_fds(instance, rfds, &rcount, wfds, &wcount) != TRUE) { fprintf(stderr, "Failed to get dfreerdp file descriptor\n"); break; } max_fds = 0; FD_ZERO(&rfds_set); FD_ZERO(&wfds_set); for (i = 0; i < rcount; i++) { fds = (int)(long)(rfds[i]); if (fds > max_fds) max_fds = fds; FD_SET(fds, &rfds_set); } if (max_fds == 0) break; if (select(max_fds + 1, &rfds_set, &wfds_set, NULL, NULL) == -1) { /* these are not really errors */ if (!((errno == EAGAIN) || (errno == EWOULDBLOCK) || (errno == EINPROGRESS) || (errno == EINTR))) /* signal occurred */ { fprintf(stderr, "dfreerdp_run: select failed\n"); break; } } if (freerdp_check_fds(instance) != TRUE) { fprintf(stderr, "Failed to check FreeRDP file descriptor\n"); break; } if (df_check_fds(instance, &rfds_set) != TRUE) { fprintf(stderr, "Failed to check dfreerdp file descriptor\n"); break; } if (freerdp_channels_check_fds(channels, instance) != TRUE) { fprintf(stderr, "Failed to check channel manager file descriptor\n"); break; } df_process_channel_event(channels, instance); } freerdp_channels_close(channels, instance); freerdp_channels_free(channels); df_free(dfi); gdi_free(instance); freerdp_disconnect(instance); freerdp_free(instance); return 0; }
int tfreerdp_run(freerdp* instance) { int i; int fds; int max_fds; int rcount; int wcount; void* rfds[32]; void* wfds[32]; fd_set rfds_set; fd_set wfds_set; rdpChannels* channels; channels = instance->context->channels; freerdp_connect(instance); while (1) { rcount = 0; wcount = 0; ZeroMemory(rfds, sizeof(rfds)); ZeroMemory(wfds, sizeof(wfds)); if (!freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount)) { WLog_ERR(TAG, "Failed to get FreeRDP file descriptor"); break; } if (!freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount)) { WLog_ERR(TAG, "Failed to get channel manager file descriptor"); break; } max_fds = 0; FD_ZERO(&rfds_set); FD_ZERO(&wfds_set); for (i = 0; i < rcount; i++) { fds = (int)(long)(rfds[i]); if (fds > max_fds) max_fds = fds; FD_SET(fds, &rfds_set); } if (max_fds == 0) break; if (select(max_fds + 1, &rfds_set, &wfds_set, NULL, NULL) == -1) { /* these are not really errors */ if (!((errno == EAGAIN) || (errno == EWOULDBLOCK) || (errno == EINPROGRESS) || (errno == EINTR))) /* signal occurred */ { WLog_ERR(TAG, "tfreerdp_run: select failed"); break; } } if (!freerdp_check_fds(instance)) { WLog_ERR(TAG, "Failed to check FreeRDP file descriptor"); break; } if (!freerdp_channels_check_fds(channels, instance)) { WLog_ERR(TAG, "Failed to check channel manager file descriptor"); break; } } freerdp_channels_disconnect(channels, instance); freerdp_disconnect(instance); freerdp_channels_close(channels, instance); freerdp_channels_free(channels); freerdp_free(instance); return 0; }