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ecore_con_url_download_example.c

Shows how to download a file using an Ecore_Con_Url object. See the complete example description at Ecore_Con_Url - downloading a file

//Compile with:
// gcc -o ecore_con_url_download_example ecore_con_url_download_example.c `pkg-config --libs --cflags ecore ecore-con`
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <Ecore.h>
#include <Ecore_Con.h>
struct _request
{
long size;
};
static Eina_Bool
_url_progress_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *event_info)
{
Ecore_Con_Event_Url_Progress *url_progress = event_info;
float percent;
if (url_progress->down.total > 0)
{
struct _request *req = ecore_con_url_data_get(url_progress->url_con);
req->size = url_progress->down.now;
percent = (url_progress->down.now / url_progress->down.total) * 100;
printf("Total of download complete: %0.1f (%0.0f)%%\n",
percent, url_progress->down.now);
}
return EINA_TRUE;
}
static Eina_Bool
_url_complete_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *event_info)
{
Ecore_Con_Event_Url_Complete *url_complete = event_info;
struct _request *req = ecore_con_url_data_get(url_complete->url_con);
int nbytes = ecore_con_url_received_bytes_get(url_complete->url_con);
printf("\n");
printf("download completed with status code: %d\n", url_complete->status);
printf("Total size of downloaded file: %ld bytes\n", req->size);
printf("Total size of downloaded file: %d bytes "
"(from received_bytes_get)\n", nbytes);
ecore_main_loop_quit();
return EINA_TRUE;
}
int
main(int argc, const char *argv[])
{
Ecore_Con_Url *ec_url = NULL;
struct _request *req;
int fd;
const char *filename = "downloadedfile.dat";
if (argc < 2)
{
printf("need one parameter: <url>\n");
return -1;
}
fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0644);
if (fd == -1)
{
printf("error: could not open file for writing: \"%s\"\n",
filename);
return -1;
}
ecore_init();
ecore_con_init();
ecore_con_url_init();
ec_url = ecore_con_url_new(argv[1]);
if (!ec_url)
{
printf("error when creating ecore con url object.\n");
goto end;
}
req = malloc(sizeof(*req));
req->size = 0;
ecore_con_url_data_set(ec_url, req);
ecore_con_url_fd_set(ec_url, fd);
ecore_event_handler_add(ECORE_CON_EVENT_URL_PROGRESS, _url_progress_cb, NULL);
ecore_event_handler_add(ECORE_CON_EVENT_URL_COMPLETE, _url_complete_cb, NULL);
if (!ecore_con_url_get(ec_url))
{
printf("could not realize request.\n");
goto free_ec_url;
}
ecore_main_loop_begin();
free_ec_url:
free(req);
ecore_con_url_free(ec_url);
end:
close(fd);
ecore_con_url_shutdown();
ecore_con_shutdown();
ecore_shutdown();
return 0;
}