94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* gcc -o ecore_fd_handler_example ecore_fd_handler_example.c `pkg-config --cflags --libs ecore`
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*/
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#include <Ecore.h>
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#include <unistd.h>
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struct context
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{
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Ecore_Fd_Handler *handler;
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Ecore_Timer *timer;
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};
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static void
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_fd_prepare_cb(void *data EINA_UNUSED, Ecore_Fd_Handler *handler EINA_UNUSED)
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{
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printf("prepare_cb called.\n");
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}
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static Eina_Bool
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_fd_handler_cb(void *data, Ecore_Fd_Handler *handler)
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{
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struct context *ctxt = data;
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char buf[1024];
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size_t nbytes;
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int fd;
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if (ecore_main_fd_handler_active_get(handler, ECORE_FD_ERROR))
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{
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printf("An error has occurred. Stop watching this fd and quit.\n");
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ecore_main_loop_quit();
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ctxt->handler = NULL;
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return ECORE_CALLBACK_CANCEL;
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}
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fd = ecore_main_fd_handler_fd_get(handler);
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nbytes = read(fd, buf, sizeof(buf));
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if (nbytes == 0)
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{
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printf("Nothing to read, exiting...\n");
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ecore_main_loop_quit();
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ctxt->handler = NULL;
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return ECORE_CALLBACK_CANCEL;
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}
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buf[nbytes - 1] = '\0';
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printf("Read %zd bytes from input: \"%s\"\n", nbytes - 1, buf);
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return ECORE_CALLBACK_RENEW;
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}
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static Eina_Bool
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_timer_cb(void *data EINA_UNUSED)
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{
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printf("Timer expired after 5 seconds...\n");
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return ECORE_CALLBACK_RENEW;
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}
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int
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main(void)
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{
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struct context ctxt = {0};
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if (!ecore_init())
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{
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printf("ERROR: Cannot init Ecore!\n");
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return -1;
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}
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ctxt.handler = ecore_main_fd_handler_add(STDIN_FILENO,
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ECORE_FD_READ | ECORE_FD_ERROR,
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_fd_handler_cb,
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&ctxt, NULL, NULL);
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ecore_main_fd_handler_prepare_callback_set(ctxt.handler, _fd_prepare_cb, &ctxt);
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ctxt.timer = ecore_timer_add(5, _timer_cb, &ctxt);
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printf("Starting the main loop. Type anything and hit <enter> to "
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"activate the fd_handler callback, or CTRL+d to shutdown.\n");
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ecore_main_loop_begin();
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if (ctxt.handler)
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ecore_main_fd_handler_del(ctxt.handler);
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if (ctxt.timer)
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ecore_timer_del(ctxt.timer);
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ecore_shutdown();
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return 0;
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}
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