ngx_http_bytes_filter_module: ngx_http_bytes_filter

Optimized version for last range and last buffer.

author	Maxim Dounin <mdounin@mdounin.ru>
date	Tue, 15 Jul 2008 06:20:32 +0400
parents	2e1eaf93e67e
children	4206defe5590

comparison

equal deleted inserted replaced

-:2e1eaf93e67e
+:60d65f2acaed
 }
 last = ctx->ranges.elts;
 last += ctx->ranges.nelts;
-#if 0
+/* optimized version for last range and last buffer */
-/* ... temp, rewrite */
+if (range == last - 1 && buf->last_buf) {
-if (ctx->ranges.nelts == 1) {
+size = ngx_buf_size(buf);
 if (buf->in_file) {
-buf->file_pos = range->start;
+if (range->start > ctx->offset) {
-buf->file_last = range->end;
+buf->file_pos += range->start - ctx->offset;
+}
+if (range->end < ctx->offset + size) {
+buf->file_last -= ctx->offset + size - range->end;
+}
 }
 if (ngx_buf_in_memory(buf)) {
-buf->pos = buf->start + (size_t) range->start;
+if (range->start > ctx->offset) {
-buf->last = buf->start + (size_t) range->end;
+buf->pos += (size_t) (range->start - ctx->offset);
+}
+if (range->end < ctx->offset + size) {
+buf->last -= (size_t) (ctx->offset + size - range->end);
+}
 }
 return ngx_http_next_body_filter(r, in);
 }
-#endif
-/* ... */
 for (ll = &in, cl = in; cl; ll = &cl->next, cl = cl->next,
 ctx->offset += size)
 {

Mercurial > hg > ngx_http_bytes_filter_module