From ee312992a323530ea2cda8680f3a34746c72db8f Mon Sep 17 00:00:00 2001 From: Pavel Dovgalyuk Date: Thu, 17 Sep 2015 19:25:24 +0300 Subject: [PATCH] replay: recording of the user input This records user input (keyboard and mouse events) in record mode and replays these input events in replay mode. Signed-off-by: Pavel Dovgalyuk Message-Id: <20150917162524.8676.11696.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini Signed-off-by: Pavel Dovgalyuk --- include/sysemu/replay.h | 4 ++ include/ui/input.h | 2 + replay/Makefile.objs | 1 + replay/replay-events.c | 33 ++++++++++ replay/replay-input.c | 160 +++++++++++++++++++++++++++++++++++++++++++++++ replay/replay-internal.h | 13 ++++ ui/input.c | 27 +++++--- 7 files changed, 232 insertions(+), 8 deletions(-) create mode 100644 replay/replay-input.c diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h index 3b27f12633..abb4688200 100644 --- a/include/sysemu/replay.h +++ b/include/sysemu/replay.h @@ -112,5 +112,9 @@ void replay_disable_events(void); bool replay_events_enabled(void); /*! Adds bottom half event to the queue */ void replay_bh_schedule_event(QEMUBH *bh); +/*! Adds input event to the queue */ +void replay_input_event(QemuConsole *src, InputEvent *evt); +/*! Adds input sync event to the queue */ +void replay_input_sync_event(void); #endif diff --git a/include/ui/input.h b/include/ui/input.h index 5d5ac00663..d06a12dd4c 100644 --- a/include/ui/input.h +++ b/include/ui/input.h @@ -33,7 +33,9 @@ void qemu_input_handler_bind(QemuInputHandlerState *s, const char *device_id, int head, Error **errp); void qemu_input_event_send(QemuConsole *src, InputEvent *evt); +void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt); void qemu_input_event_sync(void); +void qemu_input_event_sync_impl(void); InputEvent *qemu_input_event_new_key(KeyValue *key, bool down); void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down); diff --git a/replay/Makefile.objs b/replay/Makefile.objs index 56328ac53b..232193a24b 100644 --- a/replay/Makefile.objs +++ b/replay/Makefile.objs @@ -2,3 +2,4 @@ common-obj-y += replay.o common-obj-y += replay-internal.o common-obj-y += replay-events.o common-obj-y += replay-time.o +common-obj-y += replay-input.o diff --git a/replay/replay-events.c b/replay/replay-events.c index 8db2c7ace0..402f644067 100644 --- a/replay/replay-events.c +++ b/replay/replay-events.c @@ -14,6 +14,7 @@ #include "sysemu/replay.h" #include "replay-internal.h" #include "block/aio.h" +#include "ui/input.h" typedef struct Event { ReplayAsyncEventKind event_kind; @@ -39,6 +40,13 @@ static void replay_run_event(Event *event) case REPLAY_ASYNC_EVENT_BH: aio_bh_call(event->opaque); break; + case REPLAY_ASYNC_EVENT_INPUT: + qemu_input_event_send_impl(NULL, (InputEvent *)event->opaque); + qapi_free_InputEvent((InputEvent *)event->opaque); + break; + case REPLAY_ASYNC_EVENT_INPUT_SYNC: + qemu_input_event_sync_impl(); + break; default: error_report("Replay: invalid async event ID (%d) in the queue", event->event_kind); @@ -131,6 +139,16 @@ void replay_bh_schedule_event(QEMUBH *bh) } } +void replay_add_input_event(struct InputEvent *event) +{ + replay_add_event(REPLAY_ASYNC_EVENT_INPUT, event, NULL, 0); +} + +void replay_add_input_sync_event(void) +{ + replay_add_event(REPLAY_ASYNC_EVENT_INPUT_SYNC, NULL, NULL, 0); +} + static void replay_save_event(Event *event, int checkpoint) { if (replay_mode != REPLAY_MODE_PLAY) { @@ -144,6 +162,11 @@ static void replay_save_event(Event *event, int checkpoint) case REPLAY_ASYNC_EVENT_BH: replay_put_qword(event->id); break; + case REPLAY_ASYNC_EVENT_INPUT: + replay_save_input_event(event->opaque); + break; + case REPLAY_ASYNC_EVENT_INPUT_SYNC: + break; default: error_report("Unknown ID %d of replay event", read_event_kind); exit(1); @@ -187,6 +210,16 @@ static Event *replay_read_event(int checkpoint) read_id = replay_get_qword(); } break; + case REPLAY_ASYNC_EVENT_INPUT: + event = g_malloc0(sizeof(Event)); + event->event_kind = read_event_kind; + event->opaque = replay_read_input_event(); + return event; + case REPLAY_ASYNC_EVENT_INPUT_SYNC: + event = g_malloc0(sizeof(Event)); + event->event_kind = read_event_kind; + event->opaque = 0; + return event; default: error_report("Unknown ID %d of replay event", read_event_kind); exit(1); diff --git a/replay/replay-input.c b/replay/replay-input.c new file mode 100644 index 0000000000..98798955a1 --- /dev/null +++ b/replay/replay-input.c @@ -0,0 +1,160 @@ +/* + * replay-input.c + * + * Copyright (c) 2010-2015 Institute for System Programming + * of the Russian Academy of Sciences. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu-common.h" +#include "sysemu/replay.h" +#include "replay-internal.h" +#include "qemu/notify.h" +#include "ui/input.h" +#include "qapi/qmp-output-visitor.h" +#include "qapi/qmp-input-visitor.h" +#include "qapi-visit.h" + +static InputEvent *qapi_clone_InputEvent(InputEvent *src) +{ + QmpOutputVisitor *qov; + QmpInputVisitor *qiv; + Visitor *ov, *iv; + QObject *obj; + InputEvent *dst = NULL; + + qov = qmp_output_visitor_new(); + ov = qmp_output_get_visitor(qov); + visit_type_InputEvent(ov, &src, NULL, &error_abort); + obj = qmp_output_get_qobject(qov); + qmp_output_visitor_cleanup(qov); + if (!obj) { + return NULL; + } + + qiv = qmp_input_visitor_new(obj); + iv = qmp_input_get_visitor(qiv); + visit_type_InputEvent(iv, &dst, NULL, &error_abort); + qmp_input_visitor_cleanup(qiv); + qobject_decref(obj); + + return dst; +} + +void replay_save_input_event(InputEvent *evt) +{ + replay_put_dword(evt->type); + + switch (evt->type) { + case INPUT_EVENT_KIND_KEY: + replay_put_dword(evt->u.key->key->type); + + switch (evt->u.key->key->type) { + case KEY_VALUE_KIND_NUMBER: + replay_put_qword(evt->u.key->key->u.number); + replay_put_byte(evt->u.key->down); + break; + case KEY_VALUE_KIND_QCODE: + replay_put_dword(evt->u.key->key->u.qcode); + replay_put_byte(evt->u.key->down); + break; + case KEY_VALUE_KIND_MAX: + /* keep gcc happy */ + break; + } + break; + case INPUT_EVENT_KIND_BTN: + replay_put_dword(evt->u.btn->button); + replay_put_byte(evt->u.btn->down); + break; + case INPUT_EVENT_KIND_REL: + replay_put_dword(evt->u.rel->axis); + replay_put_qword(evt->u.rel->value); + break; + case INPUT_EVENT_KIND_ABS: + replay_put_dword(evt->u.abs->axis); + replay_put_qword(evt->u.abs->value); + break; + case INPUT_EVENT_KIND_MAX: + /* keep gcc happy */ + break; + } +} + +InputEvent *replay_read_input_event(void) +{ + InputEvent evt; + KeyValue keyValue; + InputKeyEvent key; + key.key = &keyValue; + InputBtnEvent btn; + InputMoveEvent rel; + InputMoveEvent abs; + + evt.type = replay_get_dword(); + switch (evt.type) { + case INPUT_EVENT_KIND_KEY: + evt.u.key = &key; + evt.u.key->key->type = replay_get_dword(); + + switch (evt.u.key->key->type) { + case KEY_VALUE_KIND_NUMBER: + evt.u.key->key->u.number = replay_get_qword(); + evt.u.key->down = replay_get_byte(); + break; + case KEY_VALUE_KIND_QCODE: + evt.u.key->key->u.qcode = (QKeyCode)replay_get_dword(); + evt.u.key->down = replay_get_byte(); + break; + case KEY_VALUE_KIND_MAX: + /* keep gcc happy */ + break; + } + break; + case INPUT_EVENT_KIND_BTN: + evt.u.btn = &btn; + evt.u.btn->button = (InputButton)replay_get_dword(); + evt.u.btn->down = replay_get_byte(); + break; + case INPUT_EVENT_KIND_REL: + evt.u.rel = &rel; + evt.u.rel->axis = (InputAxis)replay_get_dword(); + evt.u.rel->value = replay_get_qword(); + break; + case INPUT_EVENT_KIND_ABS: + evt.u.abs = &abs; + evt.u.abs->axis = (InputAxis)replay_get_dword(); + evt.u.abs->value = replay_get_qword(); + break; + case INPUT_EVENT_KIND_MAX: + /* keep gcc happy */ + break; + } + + return qapi_clone_InputEvent(&evt); +} + +void replay_input_event(QemuConsole *src, InputEvent *evt) +{ + if (replay_mode == REPLAY_MODE_PLAY) { + /* Nothing */ + } else if (replay_mode == REPLAY_MODE_RECORD) { + replay_add_input_event(qapi_clone_InputEvent(evt)); + } else { + qemu_input_event_send_impl(src, evt); + } +} + +void replay_input_sync_event(void) +{ + if (replay_mode == REPLAY_MODE_PLAY) { + /* Nothing */ + } else if (replay_mode == REPLAY_MODE_RECORD) { + replay_add_input_sync_event(); + } else { + qemu_input_event_sync_impl(); + } +} diff --git a/replay/replay-internal.h b/replay/replay-internal.h index d40de2b3bd..77e0d292c7 100644 --- a/replay/replay-internal.h +++ b/replay/replay-internal.h @@ -42,6 +42,8 @@ enum ReplayEvents { enum ReplayAsyncEventKind { REPLAY_ASYNC_EVENT_BH, + REPLAY_ASYNC_EVENT_INPUT, + REPLAY_ASYNC_EVENT_INPUT_SYNC, REPLAY_ASYNC_COUNT }; @@ -124,4 +126,15 @@ void replay_save_events(int checkpoint); /*! Read events from the file into the input queue */ void replay_read_events(int checkpoint); +/* Input events */ + +/*! Saves input event to the log */ +void replay_save_input_event(InputEvent *evt); +/*! Reads input event from the log */ +InputEvent *replay_read_input_event(void); +/*! Adds input event to the queue */ +void replay_add_input_event(struct InputEvent *event); +/*! Adds input sync event to the queue */ +void replay_add_input_sync_event(void); + #endif diff --git a/ui/input.c b/ui/input.c index 643f885edf..a0f9873f59 100644 --- a/ui/input.c +++ b/ui/input.c @@ -6,6 +6,7 @@ #include "trace.h" #include "ui/input.h" #include "ui/console.h" +#include "sysemu/replay.h" struct QemuInputHandlerState { DeviceState *dev; @@ -300,14 +301,10 @@ static void qemu_input_queue_sync(struct QemuInputEventQueueHead *queue) QTAILQ_INSERT_TAIL(queue, item, node); } -void qemu_input_event_send(QemuConsole *src, InputEvent *evt) +void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt) { QemuInputHandlerState *s; - if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { - return; - } - qemu_input_event_trace(src, evt); /* pre processing */ @@ -324,14 +321,19 @@ void qemu_input_event_send(QemuConsole *src, InputEvent *evt) s->events++; } -void qemu_input_event_sync(void) +void qemu_input_event_send(QemuConsole *src, InputEvent *evt) { - QemuInputHandlerState *s; - if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { return; } + replay_input_event(src, evt); +} + +void qemu_input_event_sync_impl(void) +{ + QemuInputHandlerState *s; + trace_input_event_sync(); QTAILQ_FOREACH(s, &handlers, node) { @@ -345,6 +347,15 @@ void qemu_input_event_sync(void) } } +void qemu_input_event_sync(void) +{ + if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { + return; + } + + replay_input_sync_event(); +} + InputEvent *qemu_input_event_new_key(KeyValue *key, bool down) { InputEvent *evt = g_new0(InputEvent, 1); -- 2.11.0