Initial release
This commit is contained in:
parent
7ca34d6306
commit
b51fbc3868
370
src/download.c
Normal file
370
src/download.c
Normal file
@ -0,0 +1,370 @@
|
||||
/* $Id$ */
|
||||
/* Copyright (c) 2009 Pierre Pronchery <khorben@defora.org> */
|
||||
/* This file is part of DeforaOS Desktop Surfer */
|
||||
/* Surfer is free software; you can redistribute it and/or modify it under the
|
||||
* terms of the GNU General Public License version 2 as published by the Free
|
||||
* Software Foundation.
|
||||
*
|
||||
* Surfer is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||||
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along with
|
||||
* Surfer; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
|
||||
* Suite 330, Boston, MA 02111-1307 USA */
|
||||
|
||||
|
||||
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <libgen.h>
|
||||
#include <errno.h>
|
||||
#include <gtk/gtk.h>
|
||||
#define GNET_EXPERIMENTAL
|
||||
#include <gnet.h>
|
||||
|
||||
|
||||
/* Download */
|
||||
/* types */
|
||||
typedef struct _Prefs
|
||||
{
|
||||
char const * output;
|
||||
} Prefs;
|
||||
|
||||
typedef struct _Download
|
||||
{
|
||||
Prefs * prefs;
|
||||
char const * url;
|
||||
FILE * fp;
|
||||
|
||||
struct timeval tv;
|
||||
|
||||
GConnHttp * conn;
|
||||
guint64 content_length;
|
||||
guint64 data_received;
|
||||
|
||||
/* widgets */
|
||||
GtkWidget * window;
|
||||
GtkWidget * label;
|
||||
GtkWidget * status;
|
||||
GtkWidget * speed;
|
||||
GtkWidget * progress;
|
||||
} Download;
|
||||
|
||||
|
||||
/* prototypes */
|
||||
static int _download(Prefs * prefs, char const * url);
|
||||
static int _download_error(char const * message, int ret);
|
||||
static void _download_refresh(Download * download);
|
||||
|
||||
/* callbacks */
|
||||
static void _download_on_cancel(GtkWidget * widget, gpointer data);
|
||||
static gboolean _download_on_closex(GtkWidget * widget, GdkEvent * event,
|
||||
gpointer data);
|
||||
static void _download_on_http(GConnHttp * conn, GConnHttpEvent * event,
|
||||
gpointer data);
|
||||
static gboolean _download_on_idle(gpointer data);
|
||||
static gboolean _download_on_timeout(gpointer data);
|
||||
|
||||
|
||||
/* functions */
|
||||
static int _download(Prefs * prefs, char const * url)
|
||||
{
|
||||
static Download download;
|
||||
GtkWidget * vbox;
|
||||
GtkWidget * hbox;
|
||||
GtkWidget * widget;
|
||||
|
||||
download.prefs = prefs;
|
||||
download.url = url;
|
||||
if(prefs->output == NULL)
|
||||
prefs->output = basename(url);
|
||||
if(gettimeofday(&download.tv, NULL) != 0)
|
||||
return _download_error("gettimeofday", 1);
|
||||
download.data_received = 0;
|
||||
download.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
||||
gtk_window_set_title(GTK_WINDOW(download.window), "Download file");
|
||||
g_signal_connect(G_OBJECT(download.window), "delete-event", G_CALLBACK(
|
||||
_download_on_closex), NULL);
|
||||
vbox = gtk_vbox_new(FALSE, 4);
|
||||
download.label = gtk_label_new("");
|
||||
gtk_box_pack_start(GTK_BOX(vbox), download.label, TRUE, TRUE, 4);
|
||||
download.status = gtk_label_new("Resolving...");
|
||||
gtk_box_pack_start(GTK_BOX(vbox), download.status, TRUE, TRUE, 4);
|
||||
download.speed = gtk_label_new("0.0 kB/s");
|
||||
gtk_box_pack_start(GTK_BOX(vbox), download.speed, TRUE, TRUE, 4);
|
||||
download.progress = gtk_progress_bar_new();
|
||||
gtk_box_pack_start(GTK_BOX(vbox), download.progress, TRUE, TRUE, 4);
|
||||
hbox = gtk_hbox_new(FALSE, 4);
|
||||
widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
|
||||
g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
|
||||
_download_on_cancel), &download);
|
||||
gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 4);
|
||||
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 4);
|
||||
gtk_container_set_border_width(GTK_CONTAINER(download.window), 4);
|
||||
gtk_container_add(GTK_CONTAINER(download.window), vbox);
|
||||
g_idle_add(_download_on_idle, &download);
|
||||
_download_refresh(&download);
|
||||
gtk_widget_show_all(download.window);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* download_error */
|
||||
static int _download_error(char const * message, int ret)
|
||||
{
|
||||
GtkWidget * dialog;
|
||||
|
||||
if(ret < 0)
|
||||
{
|
||||
fputs("download: ", stderr);
|
||||
perror(message);
|
||||
return -ret;
|
||||
}
|
||||
dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_DESTROY_WITH_PARENT,
|
||||
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s: %s",
|
||||
message, strerror(errno));
|
||||
gtk_window_set_title(GTK_WINDOW(dialog), "Error");
|
||||
gtk_dialog_run(GTK_DIALOG(dialog));
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/* download_refresh */
|
||||
static void _download_refresh(Download * download)
|
||||
{
|
||||
char buf[256]; /* FIXME convert to UTF-8 */
|
||||
struct timeval tv;
|
||||
double rate;
|
||||
double fraction;
|
||||
|
||||
snprintf(buf, sizeof(buf), "Saving to file: %s",
|
||||
download->prefs->output);
|
||||
gtk_label_set_text(GTK_LABEL(download->label), buf);
|
||||
/* XXX should check gettimeofday() return value explicitly */
|
||||
if(download->data_received > 0 && gettimeofday(&tv, NULL) == 0)
|
||||
{
|
||||
if((tv.tv_sec = tv.tv_sec - download->tv.tv_sec) < 0)
|
||||
tv.tv_sec = 0;
|
||||
if((tv.tv_usec = tv.tv_usec - download->tv.tv_usec) < 0)
|
||||
{
|
||||
tv.tv_sec--;
|
||||
tv.tv_usec += 1000000;
|
||||
}
|
||||
rate = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
|
||||
rate = download->data_received / rate;
|
||||
snprintf(buf, sizeof(buf), "%.1f kB/s", rate);
|
||||
gtk_label_set_text(GTK_LABEL(download->speed), buf);
|
||||
}
|
||||
if(download->content_length == 0)
|
||||
buf[0] = '\0';
|
||||
else
|
||||
{
|
||||
fraction = (double)download->data_received
|
||||
/ (double)download->content_length;
|
||||
snprintf(buf, sizeof(buf), "%.1f%%", fraction * 100);
|
||||
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(
|
||||
download->progress), fraction);
|
||||
}
|
||||
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(download->progress), buf);
|
||||
}
|
||||
|
||||
|
||||
/* callbacks */
|
||||
static void _download_on_cancel(GtkWidget * widget, gpointer data)
|
||||
{
|
||||
Download * download = data;
|
||||
|
||||
gtk_widget_hide(download->window);
|
||||
/* FIXME cleanup */
|
||||
gtk_main_quit();
|
||||
}
|
||||
|
||||
|
||||
static gboolean _download_on_closex(GtkWidget * widget, GdkEvent * event,
|
||||
gpointer data)
|
||||
{
|
||||
gtk_widget_hide(widget);
|
||||
/* FIXME cleanup */
|
||||
gtk_main_quit();
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
/* download_on_http */
|
||||
static void _http_connected(Download * download);
|
||||
static void _http_error(GConnHttpEventError * event, Download * download);
|
||||
static void _http_data_complete(GConnHttpEventData * event,
|
||||
Download * download);
|
||||
static void _http_data_partial(GConnHttpEventData * event, Download * download);
|
||||
static void _http_redirect(GConnHttpEventRedirect * event, Download * download);
|
||||
static void _http_resolved(GConnHttpEventResolved * event, Download * download);
|
||||
static void _http_response(GConnHttpEventResponse * event, Download * download);
|
||||
static void _http_timeout(Download * download);
|
||||
|
||||
static void _download_on_http(GConnHttp * conn, GConnHttpEvent * event,
|
||||
gpointer data)
|
||||
{
|
||||
Download * download = data;
|
||||
|
||||
switch(event->type)
|
||||
{
|
||||
case GNET_CONN_HTTP_CONNECTED:
|
||||
return _http_connected(download);
|
||||
case GNET_CONN_HTTP_ERROR:
|
||||
return _http_error((GConnHttpEventError*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_DATA_COMPLETE:
|
||||
return _http_data_complete((GConnHttpEventData*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_DATA_PARTIAL:
|
||||
return _http_data_partial((GConnHttpEventData*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_REDIRECT:
|
||||
return _http_redirect((GConnHttpEventRedirect*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_RESOLVED:
|
||||
return _http_resolved((GConnHttpEventResolved*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_RESPONSE:
|
||||
return _http_response((GConnHttpEventResponse*)event,
|
||||
download);
|
||||
case GNET_CONN_HTTP_TIMEOUT:
|
||||
return _http_timeout(download);
|
||||
}
|
||||
}
|
||||
|
||||
static void _http_connected(Download * download)
|
||||
{
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Connected");
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
static void _http_error(GConnHttpEventError * event, Download * download)
|
||||
{
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Connected");
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
static void _http_data_complete(GConnHttpEventData * event,
|
||||
Download * download)
|
||||
{
|
||||
gchar * buf;
|
||||
gsize size;
|
||||
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Complete");
|
||||
download->data_received = event->data_received;
|
||||
download->content_length = event->content_length;
|
||||
if(gnet_conn_http_steal_buffer(download->conn, &buf, &size))
|
||||
{
|
||||
/* FIXME use a GIOChannel instead, check errors */
|
||||
fwrite(buf, sizeof(*buf), size, download->fp);
|
||||
g_free(buf);
|
||||
}
|
||||
fclose(download->fp); /* FIXME re-use cleanup code */
|
||||
}
|
||||
|
||||
static void _http_data_partial(GConnHttpEventData * event, Download * download)
|
||||
{
|
||||
gchar * buf;
|
||||
gsize size;
|
||||
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Downloading");
|
||||
/* FIXME code duplication */
|
||||
download->data_received = event->data_received;
|
||||
download->content_length = event->content_length;
|
||||
if(gnet_conn_http_steal_buffer(download->conn, &buf, &size))
|
||||
{
|
||||
/* FIXME use a GIOChannel instead, check errors */
|
||||
fwrite(buf, sizeof(*buf), size, download->fp);
|
||||
g_free(buf);
|
||||
}
|
||||
}
|
||||
|
||||
static void _http_redirect(GConnHttpEventRedirect * event, Download * download)
|
||||
{
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Redirecting");
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
static void _http_resolved(GConnHttpEventResolved * event, Download * download)
|
||||
{
|
||||
gtk_label_set_text(GTK_LABEL(download->status), "Resolved");
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
static void _http_response(GConnHttpEventResponse * event, Download * download)
|
||||
{
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
static void _http_timeout(Download * download)
|
||||
{
|
||||
/* FIXME implement */
|
||||
}
|
||||
|
||||
|
||||
static gboolean _download_on_idle(gpointer data)
|
||||
{
|
||||
Download * download = data;
|
||||
|
||||
if((download->fp = fopen(download->prefs->output, "w")) == NULL)
|
||||
{
|
||||
/* FIXME really report the error as such */
|
||||
gtk_label_set_text(GTK_LABEL(download->status), strerror(
|
||||
errno));
|
||||
return FALSE;
|
||||
}
|
||||
download->conn = gnet_conn_http_new();
|
||||
gnet_conn_http_set_method(download->conn, GNET_CONN_HTTP_METHOD_GET,
|
||||
NULL, 0);
|
||||
gnet_conn_http_set_uri(download->conn, download->url);
|
||||
gnet_conn_http_run_async(download->conn, _download_on_http, download);
|
||||
g_timeout_add(500, _download_on_timeout, download);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
static gboolean _download_on_timeout(gpointer data)
|
||||
{
|
||||
Download * download = data;
|
||||
|
||||
_download_refresh(download);
|
||||
/* FIXME check if we are still needed */
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* usage */
|
||||
static int _usage(void)
|
||||
{
|
||||
fputs("Usage: download [-O output] url\n", stderr);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* main */
|
||||
int main(int argc, char * argv[])
|
||||
{
|
||||
Prefs prefs;
|
||||
int o;
|
||||
|
||||
memset(&prefs, 0, sizeof(prefs));
|
||||
gtk_init(&argc, &argv);
|
||||
while((o = getopt(argc, argv, "O:")) != -1)
|
||||
switch(o)
|
||||
{
|
||||
case 'O':
|
||||
prefs.output = optarg;
|
||||
break;
|
||||
default:
|
||||
return _usage();
|
||||
}
|
||||
if(optind + 1 != argc)
|
||||
return _usage();
|
||||
_download(&prefs, argv[optind]);
|
||||
gtk_main();
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user