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[client] rework the start/restart logic to use an enum

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This commit is contained in:
Geoffrey McRae
2020-08-11 15:14:58 +10:00
parent 76e119f8ad
commit e3f97e384b
3 changed files with 48 additions and 44 deletions
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2
VERSION
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@@ -1 +1 @@
B2-rc3-12-gbfb12c74fb+1
B2-rc3-13-g76e119f8ad+1

80
client/src/main.c
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@@ -141,7 +141,7 @@ static int renderThread(void * unused)
{
if (!state.lgr->render_startup(state.lgrData, state.window))
{
state.running = false;
state.state = APP_STATE_SHUTDOWN;
/* unblock threads waiting on the condition */
lgSignalEvent(e_startup);
@@ -155,7 +155,7 @@ static int renderThread(void * unused)
struct timespec time;
clock_gettime(CLOCK_REALTIME, &time);
while(state.running || state.restart)
while(state.state != APP_STATE_SHUTDOWN)
{
if (state.frameTime > 0)
{
@@ -225,7 +225,7 @@ static int renderThread(void * unused)
}
}
state.running = false;
state.state = APP_STATE_SHUTDOWN;
if (t_cursor)
lgJoinThread(t_cursor, NULL);
@@ -247,7 +247,7 @@ static int cursorThread(void * unused)
lgWaitEvent(e_startup, TIMEOUT_INFINITE);
// subscribe to the pointer queue
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
status = lgmpClientSubscribe(state.lgmp, LGMP_Q_POINTER, &queue);
if (status == LGMP_OK)
@@ -260,11 +260,11 @@ static int cursorThread(void * unused)
}
DEBUG_ERROR("lgmpClientSubscribe Failed: %s", lgmpStatusString(status));
state.running = false;
state.state = APP_STATE_SHUTDOWN;
break;
}
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
LGMPMessage msg;
if ((status = lgmpClientProcess(queue, &msg)) != LGMP_OK)
@@ -288,11 +288,12 @@ static int cursorThread(void * unused)
}
if (status == LGMP_ERR_INVALID_SESSION)
state.restart = true;
state.state = APP_STATE_RESTART;
else
{
DEBUG_ERROR("lgmpClientProcess Failed: %s", lgmpStatusString(status));
state.running = false;
state.state = APP_STATE_SHUTDOWN;
}
break;
}
@@ -356,7 +357,6 @@ static int cursorThread(void * unused)
}
lgmpClientUnsubscribe(&queue);
state.running = false;
return 0;
}
@@ -367,11 +367,11 @@ static int frameThread(void * unused)
SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
lgWaitEvent(e_startup, TIMEOUT_INFINITE);
if (!state.running)
if (state.state != APP_STATE_RUNNING)
return 0;
// subscribe to the frame queue
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
status = lgmpClientSubscribe(state.lgmp, LGMP_Q_FRAME, &queue);
if (status == LGMP_OK)
@@ -384,11 +384,11 @@ static int frameThread(void * unused)
}
DEBUG_ERROR("lgmpClientSubscribe Failed: %s", lgmpStatusString(status));
state.running = false;
state.state = APP_STATE_SHUTDOWN;
break;
}
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
LGMPMessage msg;
if ((status = lgmpClientProcess(queue, &msg)) != LGMP_OK)
@@ -400,10 +400,12 @@ static int frameThread(void * unused)
}
if (status == LGMP_ERR_INVALID_SESSION)
state.restart = true;
state.state = APP_STATE_RESTART;
else
{
DEBUG_ERROR("lgmpClientProcess Failed: %s", lgmpStatusString(status));
state.state = APP_STATE_SHUTDOWN;
}
break;
}
@@ -443,6 +445,7 @@ static int frameThread(void * unused)
if (error)
{
lgmpClientMessageDone(queue);
state.state = APP_STATE_SHUTDOWN;
break;
}
@@ -461,6 +464,7 @@ static int frameThread(void * unused)
if (!state.lgr->on_frame_event(state.lgrData, lgrFormat, fb))
{
DEBUG_ERROR("renderer on frame event returned failure");
state.state = APP_STATE_SHUTDOWN;
break;
}
@@ -472,24 +476,23 @@ static int frameThread(void * unused)
}
lgmpClientUnsubscribe(&queue);
state.running = false;
return 0;
}
int spiceThread(void * arg)
{
while(state.running)
while(state.state != APP_STATE_SHUTDOWN)
if (!spice_process(1000))
{
if (state.running)
if (state.state != APP_STATE_SHUTDOWN)
{
state.running = false;
state.state = APP_STATE_SHUTDOWN;
DEBUG_ERROR("failed to process spice messages");
}
break;
}
state.running = false;
state.state = APP_STATE_SHUTDOWN;
return 0;
}
@@ -814,7 +817,7 @@ int eventFilter(void * userdata, SDL_Event * event)
if (!params.ignoreQuit)
{
DEBUG_INFO("Quit event received, exiting...");
state.running = false;
state.state = APP_STATE_SHUTDOWN;
}
return 0;
}
@@ -841,7 +844,7 @@ int eventFilter(void * userdata, SDL_Event * event)
// allow a window close event to close the application even if ignoreQuit is set
case SDL_WINDOWEVENT_CLOSE:
state.running = false;
state.state = APP_STATE_SHUTDOWN;
break;
}
return 0;
@@ -1041,7 +1044,7 @@ void int_handler(int signal)
case SIGINT:
case SIGTERM:
DEBUG_INFO("Caught signal, shutting down...");
state.running = false;
state.state = APP_STATE_SHUTDOWN;
break;
}
}
@@ -1089,7 +1092,7 @@ static void toggle_input(SDL_Scancode key, void * opaque)
static void quit(SDL_Scancode key, void * opaque)
{
state.running = false;
state.state = APP_STATE_SHUTDOWN;
}
static void mouse_sens_inc(SDL_Scancode key, void * opaque)
@@ -1172,7 +1175,7 @@ static void release_key_binds()
static int lg_run()
{
memset(&state, 0, sizeof(state));
state.running = true;
state.state = APP_STATE_RUNNING;
state.scaleX = 1.0f;
state.scaleY = 1.0f;
state.resizeDone = true;
@@ -1235,10 +1238,10 @@ static int lg_run()
return -1;
}
while(state.running && !spice_ready())
while(state.state != APP_STATE_SHUTDOWN && !spice_ready())
if (!spice_process(1000))
{
state.running = false;
state.state = APP_STATE_SHUTDOWN;
DEBUG_ERROR("Failed to process spice messages");
return -1;
}
@@ -1450,7 +1453,7 @@ static int lg_run()
LGMP_STATUS status;
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
if ((status = lgmpClientInit(state.shm.mem, state.shm.size, &state.lgmp)) == LGMP_OK)
break;
@@ -1468,7 +1471,7 @@ static int lg_run()
int waitCount = 0;
restart:
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
if ((status = lgmpClientSessionInit(state.lgmp, &udataSize, (uint8_t **)&udata)) == LGMP_OK)
break;
@@ -1497,7 +1500,7 @@ restart:
SDL_WaitEventTimeout(NULL, 1000);
}
if (!state.running)
if (state.state != APP_STATE_RUNNING)
return -1;
// dont show warnings again after the first startup
@@ -1539,20 +1542,18 @@ restart:
return -1;
}
while(state.running)
while(state.state == APP_STATE_RUNNING)
{
if (!lgmpClientSessionValid(state.lgmp))
{
state.restart = true;
state.state = APP_STATE_RESTART;
break;
}
SDL_WaitEventTimeout(NULL, 100);
}
if (state.restart)
if (state.state == APP_STATE_RESTART)
{
state.running = false;
lgSignalEvent(e_startup);
lgSignalEvent(e_frame);
lgJoinThread(t_frame , NULL);
@@ -1560,9 +1561,7 @@ restart:
t_frame = NULL;
t_cursor = NULL;
state.running = true;
state.restart = false;
state.state = APP_STATE_RUNNING;
state.lgr->on_restart(state.lgrData);
DEBUG_INFO("Waiting for the host to restart...");
@@ -1574,8 +1573,7 @@ restart:
static void lg_shutdown()
{
state.running = false;
state.state = APP_STATE_SHUTDOWN;
if (t_render)
{
lgSignalEvent(e_startup);

10
client/src/main.h
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@@ -29,10 +29,16 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "spice/spice.h"
#include <lgmp/client.h>
enum RunState
{
APP_STATE_RUNNING,
APP_STATE_RESTART,
APP_STATE_SHUTDOWN
};
struct AppState
{
bool running;
bool restart;
enum RunState state;
bool ignoreInput;
bool escapeActive;
SDL_Scancode escapeAction;