- if (!dc->header_sent && af->get_header_info && current_chunk) {
- header_buf = af->get_header_info(&header_len);
- if (!header_buf || header_len <= 0)
- continue; /* header not yet available */
- ret = dccp_write(dc->fd, header_buf, header_len);
- if (ret != header_len) {
- int err = errno;
- PARA_ERROR_LOG("header write: %d/%d (%s)\n",
- ret, header_len, ret < 0?
- strerror(err) : "");
- dccp_shutdown_client(dc);
- continue;
- }
- dc->header_sent = 1;
- ret = write_ok(dc->fd);
- if (ret < 0) {
- dccp_shutdown_client(dc);
- continue;
+ if (!dc->header_sent && current_chunk) {
+ header_buf = afs_get_header(&header_len);
+ if (header_buf && header_len > 0) {
+ ret = dccp_write(dc->fd, header_buf, header_len);
+ if (ret != header_len) {
+ int err = errno;
+ PARA_ERROR_LOG("header write: %d/%d (%s)\n",
+ ret, header_len, ret < 0?
+ strerror(err) : "");
+ dccp_shutdown_client(dc);
+ continue;
+ }
+ dc->header_sent = 1;
+ ret = write_ok(dc->fd);
+ if (ret < 0) {
+ dccp_shutdown_client(dc);
+ continue;
+ }
+ if (!ret)
+ continue;