[core] http_chunk_append_file_ref_range()

http_chunk_append_file_ref() and http_chunk_append_file_ref_range()
to take stat_cache_entry ref and append FILE_CHUNK

src/http_chunk.c

@@ -92,6 +92,26 @@ static int http_chunk_append_read_fd_range(request_st * const r, const buffer *
     return (rd >= 0) ? 0 : -1;
 }
 
+void http_chunk_append_file_ref_range(request_st * const r, stat_cache_entry * const sce, const off_t offset, const off_t len) {
+    chunkqueue * const cq = &r->write_queue;
+
+    if (r->resp_send_chunked)
+        http_chunk_len_append(cq, (uintmax_t)len);
+
+    const buffer * const fn = &sce->name;
+    const int fd = sce->fd;
+    chunkqueue_append_file_fd(cq, fn, fd, offset, len);
+    if (fd >= 0) {
+        chunk * const d = cq->last;
+        d->file.ref = sce;
+        d->file.refchg = stat_cache_entry_refchg;
+        stat_cache_entry_refchg(sce, 1);
+    }
+
+    if (r->resp_send_chunked)
+        chunkqueue_append_mem(cq, CONST_STR_LEN("\r\n"));
+}
+
 void http_chunk_append_file_fd_range(request_st * const r, const buffer * const fn, const int fd, const off_t offset, const off_t len) {
     chunkqueue * const cq = &r->write_queue;
 
@@ -145,6 +165,20 @@ int http_chunk_append_file_fd(request_st * const r, const buffer * const fn, con
     return rc;
 }
 
+int http_chunk_append_file_ref(request_st * const r, stat_cache_entry * const sce) {
+    const off_t sz = sce->st.st_size;
+    if (sz > 32768 || !r->resp_send_chunked) {
+        http_chunk_append_file_ref_range(r, sce, 0, sz);
+        return 0;
+    }
+
+    /*(read small files into memory)*/
+    const buffer * const fn = &sce->name;
+    const int fd = sce->fd;
+    int rc = (0 != sz) ? http_chunk_append_read_fd_range(r,fn,fd,0,sz) : 0;
+    return rc;
+}
+
 static int http_chunk_append_to_tempfile(request_st * const r, const char * const mem, const size_t len) {
     chunkqueue * const cq = &r->write_queue;
     log_error_st * const errh = r->conf.errh;

src/http_chunk.h

@@ -6,6 +6,8 @@
 #include "buffer.h"
 #include "chunk.h"
 
+struct stat_cache_entry; /* declaration */
+
 int http_chunk_append_mem(request_st *r, const char * mem, size_t len); /* copies memory */
 int http_chunk_append_buffer(request_st *r, buffer *mem); /* may reset "mem" */
 int http_chunk_decode_append_mem(request_st * const r, const char * const mem, const size_t len);
@@ -13,8 +15,10 @@ int http_chunk_decode_append_buffer(request_st * const r, buffer * const mem); /
 int http_chunk_transfer_cqlen(request_st *r, chunkqueue *src, size_t len);
 int http_chunk_append_file(request_st *r, const buffer *fn); /* copies "fn" */
 int http_chunk_append_file_fd(request_st *r, const buffer *fn, int fd, off_t sz);
+int http_chunk_append_file_ref(request_st *r, struct stat_cache_entry *sce); /* copies "fn" */
 int http_chunk_append_file_range(request_st *r, const buffer *fn, off_t offset, off_t len); /* copies "fn" */
 void http_chunk_append_file_fd_range(request_st *r, const buffer *fn, int fd, off_t offset, off_t len); /* copies "fn" */
+void http_chunk_append_file_ref_range(request_st *r, struct stat_cache_entry *sce, off_t offset, off_t len); /* copies "fn" */
 void http_chunk_close(request_st *r);
 
 #endif