version 0.3.0

[fms.git] / libs / shttpd / io_file.c

diff --git a/libs/shttpd/io_file.c b/libs/shttpd/io_file.c
deleted file mode 100644 (file)
index 1dce074..0000000
--- a/libs/shttpd/io_file.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2004-2005 Sergey Lyubka <valenok@gmail.com>
- * All rights reserved
- *
- * "THE BEER-WARE LICENSE" (Revision 42):
- * Sergey Lyubka wrote this file.  As long as you retain this notice you
- * can do whatever you want with this stuff. If we meet some day, and you think
- * this stuff is worth it, you can buy me a beer in return.
- */
-
-#include "defs.h"
-
-static int
-write_file(struct stream *stream, const void *buf, size_t len)
-{
-       struct stat     st;
-       struct stream   *rem = &stream->conn->rem;
-       int             n, fd = stream->chan.fd;
-
-       assert(fd != -1);
-       n = write(fd, buf, len);
-
-       DBG(("put_file(%p, %d): %d bytes", (void *) stream, len, n));
-
-       if (n <= 0 || (rem->io.total >= (big_int_t) rem->headers_len)) {
-               (void) fstat(fd, &st);
-               stream->io.head = stream->headers_len =
-                   my_snprintf(stream->io.buf,
-                   stream->io.size, "HTTP/1.1 %d OK\r\n"
-                   "Content-Length: %lu\r\nConnection: close\r\n\r\n",
-                   stream->conn->status, st.st_size);
-               stop_stream(stream);
-       }
-
-       return (n);
-}
-
-static int
-read_file(struct stream *stream, void *buf, size_t len)
-{
-#ifdef USE_SENDFILE
-       struct  iovec   vec;
-       struct  sf_hdtr hd = {&vec, 1, NULL, 0}, *hdp = &hd;
-       int             sock, fd, n;
-       size_t          nbytes;
-       off_t           sent;
-
-       sock = stream->conn->rem.chan.sock;
-       fd = stream->chan.fd;
-
-       /* If this is the first call for this file, send the headers */
-       vec.iov_base = stream->io.buf;
-       vec.iov_len = stream->headers_len;
-       if (stream->io.total > 0)
-               hdp = NULL;
-
-       nbytes = stream->content_len - stream->io.total;
-       n = sendfile(fd, sock, lseek(fd, 0, SEEK_CUR), nbytes, hdp, &sent, 0);
-
-       if (n == -1 && ERRNO != EAGAIN) {
-               stream->flags &= ~FLAG_DONT_CLOSE;
-               return (n);
-       }
-
-       stream->conn->ctx->out += sent;
-
-       /* If we have sent the HTTP headers in this turn, clear them off */
-       if (stream->io.total == 0) {
-               assert(sent >= stream->headers_len);
-               sent -= stream->headers_len;
-               io_clear(&stream->io);
-       }
-
-       (void) lseek(fd, sent, SEEK_CUR);
-       stream->io.total += sent;
-       stream->flags |= FLAG_DONT_CLOSE;
-
-       return (0);
-#endif /* USE_SENDFILE */
-
-       assert(stream->chan.fd != -1);
-       return (read(stream->chan.fd, buf, len));
-}
-
-static void
-close_file(struct stream *stream)
-{
-       assert(stream->chan.fd != -1);
-       (void) close(stream->chan.fd);
-}
-
-void
-get_file(struct conn *c, struct stat *stp)
-{
-       char            date[64], lm[64], etag[64], range[64] = "";
-       size_t          n, status = 200;
-       unsigned long   r1, r2;
-       const char      *fmt = "%a, %d %b %Y %H:%M:%S GMT", *msg = "OK";
-       big_int_t       cl; /* Content-Length */
-
-       if (c->mime_type.len == 0)
-               get_mime_type(c->ctx, c->uri, strlen(c->uri), &c->mime_type); 
-       cl = (big_int_t) stp->st_size;
-
-       /* If Range: header specified, act accordingly */
-       if (c->ch.range.v_vec.len > 0 &&
-           (n = sscanf(c->ch.range.v_vec.ptr,"bytes=%lu-%lu",&r1, &r2)) > 0) {
-               status = 206;
-               (void) lseek(c->loc.chan.fd, r1, SEEK_SET);
-               cl = n == 2 ? r2 - r1 + 1: cl - r1;
-               (void) my_snprintf(range, sizeof(range),
-                   "Content-Range: bytes %lu-%lu/%lu\r\n",
-                   r1, r1 + cl - 1, (unsigned long) stp->st_size);
-               msg = "Partial Content";
-       }
-
-       /* Prepare Etag, Date, Last-Modified headers */
-       (void) strftime(date, sizeof(date), fmt, localtime(&current_time));
-       (void) strftime(lm, sizeof(lm), fmt, localtime(&stp->st_mtime));
-       (void) my_snprintf(etag, sizeof(etag), "%lx.%lx",
-           (unsigned long) stp->st_mtime, (unsigned long) stp->st_size);
-
-       /*
-        * We do not do io_inc_head here, because it will increase 'total'
-        * member in io. We want 'total' to be equal to the content size,
-        * and exclude the headers length from it.
-        */
-       c->loc.io.head = c->loc.headers_len = my_snprintf(c->loc.io.buf,
-           c->loc.io.size,
-           "HTTP/1.1 %d %s\r\n"
-           "Date: %s\r\n"
-           "Last-Modified: %s\r\n"
-           "Etag: \"%s\"\r\n"
-           "Content-Type: %.*s\r\n"
-           "Content-Length: %lu\r\n"
-           "Accept-Ranges: bytes\r\n"
-           "%s\r\n",
-           status, msg, date, lm, etag,
-           c->mime_type.len, c->mime_type.ptr, cl, range);
-
-       c->status = status;
-       c->loc.content_len = cl;
-       c->loc.io_class = &io_file;
-       c->loc.flags |= FLAG_R | FLAG_ALWAYS_READY;
-
-       if (c->method == METHOD_HEAD)
-               stop_stream(&c->loc);
-}
-
-const struct io_class  io_file =  {
-       "file",
-       read_file,
-       write_file,
-       close_file
-};