On Wed, Oct 19, 2005 at 08:50:20PM +1000, Jonathan Matthew wrote:
> The DAAP server code currently reads the whole file into memory in order
> to send it to the client. It really should be fixed so it only reads in
> small chunks, but that doesn't look too easy.
I may have spoken too soon.
Index: daapsharing/rb-daap-share.c
===================================================================
RCS file: /cvs/gnome/rhythmbox/daapsharing/rb-daap-share.c,v
retrieving revision 1.5
diff -u -r1.5 rb-daap-share.c
--- daapsharing/rb-daap-share.c 11 Sep 2005 10:31:45 -0000 1.5
+++ daapsharing/rb-daap-share.c 19 Oct 2005 12:27:41 -0000
@@ -59,6 +59,9 @@
#define CONF_NAME CONF_PREFIX "/sharing/share_name"
#define STANDARD_DAAP_PORT 3689
+/* HTTP chunk size used to send files to clients */
+#define DAAP_SHARE_CHUNK_SIZE 16384
+
struct RBDAAPSharePrivate {
gchar *name;
guint port;
@@ -753,6 +756,24 @@
return bits;
}
+static void
+write_next_chunk (SoupMessage *message, GnomeVFSHandle *handle)
+{
+ GnomeVFSFileSize read_size;
+ GnomeVFSResult result;
+ gchar *chunk = g_malloc (DAAP_SHARE_CHUNK_SIZE);
+
+ result = gnome_vfs_read (handle, chunk, DAAP_SHARE_CHUNK_SIZE,
&read_size);
+ if (result != GNOME_VFS_OK || read_size == 0) {
+ g_free (chunk);
+ gnome_vfs_close (handle);
+ soup_message_add_final_chunk (message);
+ return;
+ }
+
+ soup_message_add_chunk (message, SOUP_BUFFER_SYSTEM_OWNED, chunk,
read_size);
+}
+
static void
databases_cb (RBDAAPShare *share,
SoupMessage *message)
@@ -931,7 +952,6 @@
GnomeVFSResult result;
GnomeVFSHandle *handle;
const gchar *range_header;
- gchar *buf;
guint status_code = SOUP_STATUS_OK;
id_str = rest_of_path + 9;
@@ -972,35 +992,12 @@
file_size -= range;
}
-
- /* FIXME FIXME FIXME
- * Ideally, it seems that an mmap type solution should be used
- * here. However, this works for now.
- */
- buf = g_try_malloc (file_size);
- if (buf == NULL) {
- g_warning ("Unable to malloc %"G_GUINT64_FORMAT" bytes
to transfer file", file_size);
- soup_message_set_status (message,
SOUP_STATUS_INTERNAL_SERVER_ERROR);
- goto out;
- }
- result = gnome_vfs_read (handle, buf, file_size, NULL);
- if (result != GNOME_VFS_OK) {
- soup_message_set_status (message,
SOUP_STATUS_INTERNAL_SERVER_ERROR);
- g_free (buf);
- goto out;
- }
-
- message_add_standard_headers (message);
- soup_message_add_header (message->response_headers,
"Accept-Ranges", "bytes");
- message->response.owner = SOUP_BUFFER_SYSTEM_OWNED;
- message->response.length = file_size;
- message->response.body = buf;
-
- gnome_vfs_close (handle);
-
+ write_next_chunk (message, handle);
+ g_signal_connect (message, "wrote_chunk", G_CALLBACK
(write_next_chunk), handle);
+
soup_message_set_status (message, status_code);
- soup_server_message_set_encoding (SOUP_SERVER_MESSAGE
(message), SOUP_TRANSFER_CONTENT_LENGTH);
+ soup_server_message_set_encoding (SOUP_SERVER_MESSAGE
(message), SOUP_TRANSFER_CHUNKED);
} else {
g_print ("unhandled: %s\n", path);
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