forked from enlightenment/efl
772 lines
19 KiB
C
772 lines
19 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <process.h>
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#include <Evil.h>
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#include <Ecore.h>
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#include "Ecore_Con.h"
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#include "ecore_con_private.h"
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#define BUFSIZE 512
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static int _ecore_con_local_init_count = 0;
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int
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ecore_con_local_init(void)
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{
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if (++_ecore_con_local_init_count != 1)
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return _ecore_con_local_init_count;
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return _ecore_con_local_init_count;
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}
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int
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ecore_con_local_shutdown(void)
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{
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if (--_ecore_con_local_init_count != 0)
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return _ecore_con_local_init_count;
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return _ecore_con_local_init_count;
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}
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static Eina_Bool
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_ecore_con_local_win32_server_read_client_handler(void *data, Ecore_Win32_Handler *wh)
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{
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Ecore_Con_Client *cl;
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void *buf;
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DWORD n;
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Eina_Bool broken_pipe = EINA_FALSE;
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cl = (Ecore_Con_Client *)data;
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if (!ResetEvent(cl->host_server->event_read))
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return ECORE_CALLBACK_RENEW;
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buf = malloc(cl->host_server->nbr_bytes);
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if (!buf)
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return ECORE_CALLBACK_RENEW;
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if (ReadFile(cl->host_server->pipe, buf, cl->host_server->nbr_bytes, &n, NULL))
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{
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if (!cl->delete_me)
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ecore_con_event_client_data(cl, buf, cl->host_server->nbr_bytes, EINA_FALSE);
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cl->host_server->want_write = 1;
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}
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else
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{
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if (GetLastError() == ERROR_BROKEN_PIPE)
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broken_pipe = EINA_TRUE;
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}
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if (broken_pipe)
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{
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#if 0
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char *msg;
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msg = evil_last_error_get();
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if (msg)
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{
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ecore_con_event_client_error(cl, msg);
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free(msg);
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}
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#endif
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if (!cl->delete_me)
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ecore_con_event_client_del(cl);
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cl->dead = EINA_TRUE;
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return ECORE_CALLBACK_CANCEL;
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}
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if (cl->host_server->want_write)
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ecore_con_local_win32_client_flush(cl);
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ecore_main_win32_handler_del(wh);
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return ECORE_CALLBACK_DONE;
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}
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static Eina_Bool
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_ecore_con_local_win32_server_peek_client_handler(void *data, Ecore_Win32_Handler *wh)
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{
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Ecore_Con_Client *cl;
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#if 0
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char *msg;
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#endif
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cl = (Ecore_Con_Client *)data;
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if (!ResetEvent(cl->host_server->event_peek))
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return ECORE_CALLBACK_RENEW;
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#if 0
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msg = evil_last_error_get();
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if (msg)
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{
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ecore_con_event_server_error(cl->host_server, msg);
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free(msg);
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}
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#endif
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if (!cl->host_server->delete_me)
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ecore_con_event_server_del(cl->host_server);
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cl->host_server->dead = EINA_TRUE;
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return ECORE_CALLBACK_CANCEL;
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ecore_main_win32_handler_del(wh);
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return ECORE_CALLBACK_DONE;
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}
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static Eina_Bool
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_ecore_con_local_win32_client_peek_server_handler(void *data, Ecore_Win32_Handler *wh)
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{
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Ecore_Con_Server *svr;
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#if 0
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char *msg;
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#endif
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svr = (Ecore_Con_Server *)data;
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if (!ResetEvent(svr->event_peek))
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return ECORE_CALLBACK_RENEW;
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#if 0
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msg = evil_last_error_get();
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if (msg)
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{
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ecore_con_event_server_error(svr, msg);
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free(msg);
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}
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#endif
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if (!svr->delete_me)
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ecore_con_event_server_del(svr);
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svr->dead = EINA_TRUE;
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return ECORE_CALLBACK_CANCEL;
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ecore_main_win32_handler_del(wh);
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return ECORE_CALLBACK_DONE;
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}
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static Eina_Bool
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_ecore_con_local_win32_client_read_server_handler(void *data, Ecore_Win32_Handler *wh)
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{
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Ecore_Con_Server *svr;
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void *buf;
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DWORD n;
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Eina_Bool broken_pipe = EINA_FALSE;
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svr = (Ecore_Con_Server *)data;
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if (!ResetEvent(svr->event_read))
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return ECORE_CALLBACK_RENEW;
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buf = malloc(svr->nbr_bytes);
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if (!buf)
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return ECORE_CALLBACK_RENEW;
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if (ReadFile(svr->pipe, buf, svr->nbr_bytes, &n, NULL))
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{
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if (!svr->delete_me)
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ecore_con_event_server_data(svr, buf, svr->nbr_bytes, EINA_FALSE);
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svr->want_write = 1;
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}
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else
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{
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if (GetLastError() == ERROR_BROKEN_PIPE)
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broken_pipe = EINA_TRUE;
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}
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if (broken_pipe)
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{
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#if 0
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char *msg;
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msg = evil_last_error_get();
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if (msg)
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{
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ecore_con_event_server_error(svr, msg);
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free(msg);
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}
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#endif
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if (!svr->delete_me)
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ecore_con_event_server_del(svr);
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svr->dead = EINA_TRUE;
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return ECORE_CALLBACK_CANCEL;
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}
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if (svr->want_write)
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ecore_con_local_win32_server_flush(svr);
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ecore_main_win32_handler_del(wh);
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return ECORE_CALLBACK_DONE;
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}
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/* thread to read data sent by the server to the client */
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static unsigned int __stdcall
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_ecore_con_local_win32_client_read_server_thread(void *data)
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{
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Ecore_Con_Server *svr;
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DWORD nbr_bytes = 0;
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svr = (Ecore_Con_Server *)data;
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svr->read_stopped = EINA_FALSE;
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while (!svr->read_stop)
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{
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if (PeekNamedPipe(svr->pipe, NULL, 0, NULL, &nbr_bytes, NULL))
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{
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if (nbr_bytes <= 0)
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continue;
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svr->nbr_bytes = nbr_bytes;
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if (!SetEvent(svr->event_read))
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continue;
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}
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else
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{
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if (GetLastError() == ERROR_BROKEN_PIPE)
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{
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if (!SetEvent(svr->event_peek))
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continue;
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break;
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}
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}
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}
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printf(" ### %s\n", __FUNCTION__);
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svr->read_stopped = EINA_TRUE;
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_endthreadex(0);
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return 0;
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}
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/* thread to read data sent by the client to the server */
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static unsigned int __stdcall
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_ecore_con_local_win32_server_read_client_thread(void *data)
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{
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Ecore_Con_Client *cl;
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DWORD nbr_bytes = 0;
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cl = (Ecore_Con_Client *)data;
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cl->host_server->read_stopped = EINA_FALSE;
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while (!cl->host_server->read_stop)
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{
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if (PeekNamedPipe(cl->host_server->pipe, NULL, 0, NULL, &nbr_bytes, NULL))
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{
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if (nbr_bytes <= 0)
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continue;
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cl->host_server->nbr_bytes = nbr_bytes;
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if (!SetEvent(cl->host_server->event_read))
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continue;
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}
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else
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{
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if (GetLastError() == ERROR_BROKEN_PIPE)
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{
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if (!SetEvent(cl->host_server->event_peek))
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continue;
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break;
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}
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}
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}
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printf(" ### %s\n", __FUNCTION__);
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cl->host_server->read_stopped = EINA_TRUE;
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_endthreadex(0);
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return 0;
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}
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static Eina_Bool
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_ecore_con_local_win32_client_add(void *data, Ecore_Win32_Handler *wh)
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{
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Ecore_Con_Client *cl = NULL;
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Ecore_Con_Server *svr;
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Ecore_Win32_Handler *handler_read;
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Ecore_Win32_Handler *handler_peek;
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svr = (Ecore_Con_Server *)data;
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if (!svr->pipe)
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return ECORE_CALLBACK_CANCEL;
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if (svr->dead)
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return ECORE_CALLBACK_CANCEL;
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if (svr->delete_me)
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return ECORE_CALLBACK_CANCEL;
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if ((svr->client_limit >= 0) && (!svr->reject_excess_clients) &&
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(svr->client_count >= (unsigned int)svr->client_limit))
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return ECORE_CALLBACK_CANCEL;
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cl = calloc(1, sizeof(Ecore_Con_Client));
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if (!cl)
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{
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ERR("allocation failed");
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return ECORE_CALLBACK_CANCEL;
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}
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cl->host_server = svr;
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ECORE_MAGIC_SET(cl, ECORE_MAGIC_CON_CLIENT);
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cl->host_server->event_read = CreateEvent(NULL, TRUE, FALSE, NULL);
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if (!cl->host_server->event_read)
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{
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ERR("Can not create event read");
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goto free_cl;
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}
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handler_read = ecore_main_win32_handler_add(cl->host_server->event_read,
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_ecore_con_local_win32_server_read_client_handler,
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cl);
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if (!handler_read)
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{
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ERR("Can not create handler read");
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goto close_event_read;
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}
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cl->host_server->event_peek = CreateEvent(NULL, TRUE, FALSE, NULL);
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if (!cl->host_server->event_peek)
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{
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ERR("Can not create event peek");
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goto del_handler_read;
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}
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handler_peek = ecore_main_win32_handler_add(cl->host_server->event_peek,
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_ecore_con_local_win32_server_peek_client_handler,
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cl);
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if (!handler_peek)
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{
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ERR("Can not create handler peek");
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goto close_event_peek;
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}
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cl->host_server->read_stopped = EINA_TRUE;
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cl->host_server->thread_read = (HANDLE)_beginthreadex(NULL, 0, _ecore_con_local_win32_server_read_client_thread, cl, CREATE_SUSPENDED, NULL);
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if (!cl->host_server->thread_read)
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{
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ERR("Can not launch thread");
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goto del_handler_peek;
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}
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svr->clients = eina_list_append(svr->clients, cl);
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svr->client_count++;
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if (!cl->delete_me)
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ecore_con_event_client_add(cl);
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ecore_main_win32_handler_del(wh);
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ResumeThread(cl->host_server->thread_read);
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return ECORE_CALLBACK_DONE;
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del_handler_peek:
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ecore_main_win32_handler_del(handler_peek);
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close_event_peek:
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CloseHandle(cl->host_server->event_peek);
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del_handler_read:
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ecore_main_win32_handler_del(handler_read);
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close_event_read:
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CloseHandle(cl->host_server->event_read);
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free_cl:
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free(cl);
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return ECORE_CALLBACK_CANCEL;
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}
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static unsigned int __stdcall
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_ecore_con_local_win32_listening(void *data)
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{
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Ecore_Con_Server *svr;
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BOOL res;
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svr = (Ecore_Con_Server *)data;
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while (1)
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{
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res = ConnectNamedPipe(svr->pipe, NULL);
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if (!res)
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{
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ERR("Opening the connection to the client failed");
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CloseHandle(svr->pipe);
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svr->pipe = NULL;
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}
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break;
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}
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DBG("Client connected");
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printf(" ### %s\n", __FUNCTION__);
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_endthreadex(0);
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return 0;
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}
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Eina_Bool
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ecore_con_local_listen(Ecore_Con_Server *svr)
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{
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char buf[256];
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HANDLE thread_listening;
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Ecore_Win32_Handler *handler;
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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{
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ERR("Your system does not support abstract sockets!");
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return EINA_FALSE;
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}
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_USER)
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snprintf(buf, sizeof(buf), "\\\\.\\pipe\\%s", svr->name);
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else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_SYSTEM)
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{
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const char *computername;
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computername = getenv("CoMPUTERNAME");
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snprintf(buf, sizeof(buf), "\\\\%s\\pipe\\%s", computername, svr->name);
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}
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svr->path = strdup(buf);
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if (!svr->path)
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{
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ERR("Allocation failed");
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return EINA_FALSE;
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}
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/*
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* synchronuous
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* block mode
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* wait mode
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*/
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svr->pipe = CreateNamedPipe(svr->path,
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PIPE_ACCESS_DUPLEX,
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PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT,
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PIPE_UNLIMITED_INSTANCES,
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BUFSIZE,
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BUFSIZE,
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5000,
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NULL);
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if (svr->pipe == INVALID_HANDLE_VALUE)
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{
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ERR("Creation of the named pipe failed");
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goto free_path;
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}
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/*
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* We use ConnectNamedPipe() to wait for a client to connect.
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* As the function is blocking, to let the main loop continuing
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* its iterations, we call ConnectNamedPipe() in a thread
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*/
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thread_listening = (HANDLE)_beginthreadex(NULL, 0, _ecore_con_local_win32_listening, svr, CREATE_SUSPENDED, NULL);
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if (!thread_listening)
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{
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ERR("Creation of the listening thread failed");
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goto close_pipe;
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}
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handler = ecore_main_win32_handler_add(thread_listening,
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_ecore_con_local_win32_client_add,
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svr);
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if (!handler)
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{
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ERR("Creation of the client add handler failed");
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goto del_handler;
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}
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svr->read_stopped = EINA_TRUE;
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ResumeThread(thread_listening);
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return EINA_TRUE;
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del_handler:
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ecore_main_win32_handler_del(handler);
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close_pipe:
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CloseHandle(svr->pipe);
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free_path:
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free(svr->path);
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svr->path = NULL;
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return EINA_FALSE;
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}
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void
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ecore_con_local_win32_server_del(Ecore_Con_Server *svr)
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{
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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return;
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if (((svr->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_USER) &&
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((svr->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_SYSTEM))
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return;
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svr->read_stop = 1;
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while (!svr->read_stopped)
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Sleep(100);
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if (svr->event_peek)
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CloseHandle(svr->event_peek);
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svr->event_peek = NULL;
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if (svr->event_read)
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CloseHandle(svr->event_read);
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svr->event_read = NULL;
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free(svr->path);
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svr->path = NULL;
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if (svr->pipe)
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CloseHandle(svr->pipe);
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svr->pipe = NULL;
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}
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void
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ecore_con_local_win32_client_del(Ecore_Con_Client *cl)
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{
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if ((cl->host_server->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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return;
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if (((cl->host_server->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_USER) &&
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((cl->host_server->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_SYSTEM))
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return;
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cl->host_server->read_stop = 1;
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while (!cl->host_server->read_stopped)
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Sleep(100);
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if (cl->host_server->event_peek)
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CloseHandle(cl->host_server->event_peek);
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cl->host_server->event_peek = NULL;
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if (cl->host_server->event_read)
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CloseHandle(cl->host_server->event_read);
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cl->host_server->event_read = NULL;
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free(cl->host_server->path);
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cl->host_server->path = NULL;
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if (cl->host_server->pipe)
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CloseHandle(cl->host_server->pipe);
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cl->host_server->pipe = NULL;
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}
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Eina_Bool
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|
ecore_con_local_connect(Ecore_Con_Server *svr,
|
|
Eina_Bool (*cb_done)(void *data,
|
|
Ecore_Fd_Handler *fd_handler))
|
|
{
|
|
char buf[256];
|
|
Ecore_Win32_Handler *handler_read;
|
|
Ecore_Win32_Handler *handler_peek;
|
|
|
|
if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
|
|
{
|
|
ERR("Your system does not support abstract sockets!");
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_USER)
|
|
snprintf(buf, sizeof(buf), "\\\\.\\pipe\\%s", svr->name);
|
|
else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_SYSTEM)
|
|
{
|
|
const char *computername;
|
|
|
|
computername = getenv("COMPUTERNAME");
|
|
snprintf(buf, sizeof(buf), "\\\\%s\\pipe\\%s", computername, svr->name);
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
svr->pipe = CreateFile(buf,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
0,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
0,
|
|
NULL);
|
|
if (svr->pipe != INVALID_HANDLE_VALUE)
|
|
break;
|
|
|
|
/* if pipe not busy, we exit */
|
|
if (GetLastError() != ERROR_PIPE_BUSY)
|
|
{
|
|
ERR("Connection to a server failed");
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/* pipe busy, so we wait for it */
|
|
if (!WaitNamedPipe(buf, NMPWAIT_WAIT_FOREVER))
|
|
{
|
|
ERR("Can not wait for a server");
|
|
goto close_pipe;
|
|
}
|
|
}
|
|
|
|
svr->path = strdup(buf);
|
|
if (!svr->path)
|
|
{
|
|
ERR("Allocation failed");
|
|
goto close_pipe;
|
|
}
|
|
|
|
svr->event_read = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!svr->event_read)
|
|
{
|
|
ERR("Can not create event read");
|
|
goto free_path;
|
|
}
|
|
|
|
handler_read = ecore_main_win32_handler_add(svr->event_read,
|
|
_ecore_con_local_win32_client_read_server_handler,
|
|
svr);
|
|
if (!handler_read)
|
|
{
|
|
ERR("Can not create handler read");
|
|
goto close_event_read;
|
|
}
|
|
|
|
svr->event_peek = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!svr->event_peek)
|
|
{
|
|
ERR("Can not create event peek");
|
|
goto del_handler_read;
|
|
}
|
|
|
|
handler_peek = ecore_main_win32_handler_add(svr->event_peek,
|
|
_ecore_con_local_win32_client_peek_server_handler,
|
|
svr);
|
|
if (!handler_peek)
|
|
{
|
|
ERR("Can not create handler peek");
|
|
goto close_event_peek;
|
|
}
|
|
|
|
svr->thread_read = (HANDLE)_beginthreadex(NULL, 0, _ecore_con_local_win32_client_read_server_thread, svr, CREATE_SUSPENDED, NULL);
|
|
if (!svr->thread_read)
|
|
{
|
|
ERR("Can not launch thread");
|
|
goto del_handler_peek;
|
|
}
|
|
|
|
if (!svr->delete_me) ecore_con_event_server_add(svr);
|
|
|
|
ResumeThread(svr->thread_read);
|
|
|
|
return EINA_TRUE;
|
|
|
|
del_handler_peek:
|
|
ecore_main_win32_handler_del(handler_peek);
|
|
close_event_peek:
|
|
CloseHandle(svr->event_peek);
|
|
del_handler_read:
|
|
ecore_main_win32_handler_del(handler_read);
|
|
close_event_read:
|
|
CloseHandle(svr->event_read);
|
|
free_path:
|
|
free(svr->path);
|
|
svr->path = NULL;
|
|
close_pipe:
|
|
CloseHandle(svr->pipe);
|
|
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
Eina_Bool
|
|
ecore_con_local_win32_server_flush(Ecore_Con_Server *svr)
|
|
{
|
|
int num;
|
|
BOOL res;
|
|
DWORD written;
|
|
|
|
/* This check should never be true */
|
|
if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
|
|
return EINA_TRUE;
|
|
|
|
if (((svr->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_USER) &&
|
|
((svr->type & ECORE_CON_TYPE) != ECORE_CON_LOCAL_SYSTEM))
|
|
return EINA_FALSE;
|
|
|
|
num = svr->write_buf_size - svr->write_buf_offset;
|
|
if (num <= 0) return EINA_TRUE;
|
|
|
|
res = WriteFile(svr->pipe, svr->write_buf + svr->write_buf_offset, num, &written, NULL);
|
|
if (!res)
|
|
{
|
|
char *msg;
|
|
|
|
msg = evil_last_error_get();
|
|
if (msg)
|
|
{
|
|
ecore_con_event_server_error(svr, msg);
|
|
free(msg);
|
|
}
|
|
if (!svr->delete_me)
|
|
ecore_con_event_server_del(svr);
|
|
svr->dead = EINA_TRUE;
|
|
}
|
|
|
|
svr->write_buf_offset += written;
|
|
if (svr->write_buf_offset >= svr->write_buf_size)
|
|
{
|
|
svr->write_buf_size = 0;
|
|
svr->write_buf_offset = 0;
|
|
free(svr->write_buf);
|
|
svr->write_buf = NULL;
|
|
svr->want_write = 0;
|
|
}
|
|
else if (written < (DWORD)num)
|
|
svr->want_write = 1;
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
Eina_Bool
|
|
ecore_con_local_win32_client_flush(Ecore_Con_Client *cl)
|
|
{
|
|
Ecore_Con_Type type;
|
|
int num;
|
|
BOOL res;
|
|
DWORD written;
|
|
|
|
type = cl->host_server->type & ECORE_CON_TYPE;
|
|
|
|
/* This check should never be true */
|
|
if (type == ECORE_CON_LOCAL_ABSTRACT)
|
|
return EINA_TRUE;
|
|
|
|
if ((type != ECORE_CON_LOCAL_USER) &&
|
|
(type != ECORE_CON_LOCAL_SYSTEM))
|
|
return EINA_FALSE;
|
|
|
|
num = cl->buf_size - cl->buf_offset;
|
|
if (num <= 0) return EINA_TRUE;
|
|
|
|
res = WriteFile(cl->host_server->pipe, cl->buf + cl->buf_offset, num, &written, NULL);
|
|
if (!res)
|
|
{
|
|
char *msg;
|
|
|
|
msg = evil_last_error_get();
|
|
if (msg)
|
|
{
|
|
ecore_con_event_client_error(cl, msg);
|
|
free(msg);
|
|
}
|
|
if (!cl->delete_me)
|
|
ecore_con_event_client_del(cl);
|
|
cl->dead = EINA_TRUE;
|
|
}
|
|
|
|
cl->buf_offset += written;
|
|
if (cl->buf_offset >= cl->buf_size)
|
|
{
|
|
cl->buf_size = 0;
|
|
cl->buf_offset = 0;
|
|
free(cl->buf);
|
|
cl->buf = NULL;
|
|
cl->host_server->want_write = 0;
|
|
}
|
|
else if (written < (DWORD)num)
|
|
cl->host_server->want_write = 1;
|
|
|
|
return EINA_TRUE;
|
|
}
|