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eio: update example for openning and closing file asynchronously using a chain.

This commit is contained in:
Cedric Bail 2017-10-09 17:44:33 -07:00
parent c321def5fc
commit 0264e5cbf3
1 changed files with 44 additions and 17 deletions
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61
unsorted/eio/efl_io_manager_open.c
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@ -9,31 +9,56 @@
#include <Eio.h>
#include <Ecore.h>
void error_cb(void *data EINA_UNUSED, const Efl_Event *ev)
static Eina_Value
_closing_cb(void* data EINA_UNUSED,
const Eina_Value file,
const Eina_Future *dead EINA_UNUSED)
{
Efl_Future_Event_Failure *failure = ev->info;
const char *msg = eina_error_msg_get(failure->error);
EINA_LOG_ERR("error: %s", msg);
if (file.type == EINA_VALUE_TYPE_ERROR)
{
Eina_Error err;
eina_value_get(&file, &err);
fprintf(stderr, "Something has gone wrong: %s\n", eina_error_msg_get(err));
}
else
{
printf("%s closed file.\n", __FUNCTION__);
}
ecore_main_loop_quit();
return file;
}
void done_closing_cb(void* data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
static Eina_Value
_open_cb(void *data,
const Eina_Value file,
const Eina_Future *dead EINA_UNUSED)
{
printf("%s closed file.\n", __FUNCTION__);
ecore_main_loop_quit();
}
void done_open_cb(void *data, const Efl_Event *ev)
{
Efl_Future_Event_Success *success = ev->info;
Eina_File *file = success->value;
Efl_Io_Manager *job = data;
printf("%s opened file %s\n", __FUNCTION__, eina_file_filename_get(file));
if (file.type == EINA_VALUE_TYPE_ERROR)
{
Eina_Error err;
efl_future_then(efl_io_manager_close(job, file), &done_closing_cb, &error_cb, NULL, NULL);
eina_value_get(&file, &err);
fprintf(stderr, "Something has gone wrong: %s\n", eina_error_msg_get(err));
ecore_main_loop_quit();
return file;
}
if (file.type == EINA_VALUE_TYPE_FILE)
{
Eina_File *f;
eina_value_get(&file, &f);
printf("%s opened file %s\n", __FUNCTION__, eina_file_filename_get(f));
return eina_future_as_value(efl_io_manager_close(job, f));
}
return file;
}
void open_file(const char *path)
@ -42,7 +67,9 @@ void open_file(const char *path)
job = efl_add(EFL_IO_MANAGER_CLASS, ecore_main_loop_get());
efl_future_then(efl_io_manager_open(job, path, EINA_FALSE), &done_open_cb, &error_cb, NULL, job);
eina_future_chain(efl_io_manager_open(job, path, EINA_FALSE),
{ .cb = _open_cb, .data = job },
{ .cb = _closing_cb, .data = NULL });
}
int main(int argc, char const *argv[])