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Minor tweaks to simplify the loop example

This commit is contained in:
Xavi Artigas 2017-11-24 13:52:42 +01:00
parent 597ba6d98c
commit e134283999
1 changed files with 35 additions and 43 deletions
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78
reference/c/core/src/core_loop.c
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@ -18,8 +18,7 @@
* read or write to an FD without blocking.
*/
static int _count = 0;
static void _loop_fd_read();
static void _read_loop_create();
static void
_print_loop(Efl_Loop *loop, const char *label)
@ -27,37 +26,21 @@ _print_loop(Efl_Loop *loop, const char *label)
printf("%s loop found at %p \"%s\"\n", label, loop, efl_name_get(loop));
}
static void
_loop_current(Efl_Loop *current)
{
Efl_Loop *loop;
loop = current;
_print_loop(loop, "Current");
loop = efl_loop_main_get(current);
_print_loop(loop, "Application Main");
loop = efl_add(EFL_LOOP_USER_CLASS, NULL,
efl_name_set(efl_added, "User Loop"));
_print_loop(loop, "Child");
efl_del(loop);
}
static void
_loop_fd_read_cb(void *data EINA_UNUSED, const Efl_Event *event)
{
Efl_Loop_Fd *fd;
Efl_Loop_Fd *loop_fd;
char buf[7];
int len;
fd = event->object;
loop_fd = event->object;
len = read(efl_loop_fd_file_get(fd), &buf, sizeof(buf));
len = read(efl_loop_fd_file_get(loop_fd), &buf, sizeof(buf));
// here we are exiting
if (len <= 0)
{
efl_del(fd);
efl_del(loop_fd);
unlink(FILENAME);
efl_exit(0);
@ -65,53 +48,53 @@ _loop_fd_read_cb(void *data EINA_UNUSED, const Efl_Event *event)
}
buf[len] = 0;
printf("READ %s", buf);
_print_loop(loop_fd, "Reading from");
}
static void
_loop_fd_write_cb(void *data EINA_UNUSED, const Efl_Event *event)
{
Efl_Loop_Fd *fd;
Efl_Loop_Fd *loop_fd;
static int _count = 0;
fd = event->object;
loop_fd = event->object;
// we have outputted all we want to, remove the write handler
// start checking for read availability instead
if (_count >= 5)
{
efl_del(fd);
efl_del(loop_fd);
_loop_fd_read();
_read_loop_create();
return;
}
_count++;
printf("WRITING %d\n", _count);
write(efl_loop_fd_file_get(fd), eina_slstr_printf("TEST %d\n", _count), 7);
_print_loop(loop_fd, "Writing from");
write(efl_loop_fd_file_get(loop_fd), eina_slstr_printf("TEST %d\n", _count), 7);
}
static void
_loop_fd_write()
_write_loop_create()
{
Efl_Loop_Fd *loop_fd;
FILE *file;
int fd;
loop_fd = efl_add(EFL_LOOP_FD_CLASS, NULL,
efl_name_set(efl_added, "Write Loop"));
efl_name_set(efl_added, "Write Loop"));
efl_event_callback_add(loop_fd, EFL_LOOP_FD_EVENT_WRITE, _loop_fd_write_cb, NULL);
file = fopen(FILENAME, "w+");
fd = fileno(file);
printf("Opened file with fd %d\n", fd);
printf("Opened file %s with fd %d\n", FILENAME, fd);
efl_loop_fd_file_set(loop_fd, fd);
}
static void
_loop_fd_read()
_read_loop_create()
{
Efl_Loop_Fd *loop_fd;
FILE *file;
@ -122,10 +105,10 @@ _loop_fd_read()
efl_event_callback_add(loop_fd, EFL_LOOP_FD_EVENT_READ, _loop_fd_read_cb, NULL);
file = fopen("/tmp/core_loop_test.txt", "r");
file = fopen(FILENAME, "r");
fd = fileno(file);
printf("Opened file with fd %d\n", fd);
printf("Opened file %s with fd %d\n", FILENAME, fd);
efl_loop_fd_file_set(loop_fd, fd);
}
@ -133,17 +116,26 @@ EAPI_MAIN void
efl_main(void *data EINA_UNUSED, const Efl_Event *ev)
{
const Efl_Version *version;
Efl_Loop *loop;
version = efl_loop_efl_version_get(ev->object);
printf("Running on EFL version %d.%d.%d [%s]\n", version->major, version->minor,
version->micro, version->build_id);
printf("Running on EFL version %d.%d.%d [%s]\n\n", version->major, version->minor,
version->micro, version->build_id);
loop = ev->object;
_print_loop(loop, "Current");
loop = efl_loop_main_get(loop);
_print_loop(loop, "Application Main");
loop = efl_add(EFL_LOOP_USER_CLASS, loop,
efl_name_set(efl_added, "User Loop"));
_print_loop(loop, "Child");
efl_del(loop);
printf("\n");
_loop_current(ev->object);
printf("\n");
_loop_fd_write();
// we will call _loop_fd_read() once write is complete!
_write_loop_create();
// we will call _read_loop_create() once write is complete!
// we will exit from the end of the read loop
}