From cd4ee93f8714b72f77efb5304bea694c4aef71ac Mon Sep 17 00:00:00 2001
From: Sebastian
Date: Wed, 10 Feb 2016 23:55:11 +0100
Subject: running FreeBSD sendfile

---
 src/server/net.c | 49 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 36 insertions(+), 13 deletions(-)

diff --git a/src/server/net.c b/src/server/net.c
index b919d62..181e44a 100644
--- a/src/server/net.c
+++ b/src/server/net.c
@@ -359,29 +359,52 @@ void *net_client_handler(void *dnbd3_client)
 					}
 					while ( done < realBytes ) {
 #ifdef __linux__
-						const ssize_t ret = sendfile( client->sock, image_file, &offset, realBytes - done );
-#elif defined(__FreeBSD__)
-					   off_t sent;
-					   int ret = sendfile( image_file, client->sock, offset, realBytes - done, NULL, &sent, 0 );
-#endif
-						if ( ret <= 0 ) {
+						const ssize_t ret = sendfile(client->sock, image_file, &offset, realBytes - done);
+						if (ret <= 0) {
 							const int err = errno;
-							if ( lock ) pthread_mutex_unlock( &client->sendMutex );
+							if (lock) pthread_mutex_unlock(&client->sendMutex);
+							if (ret == -1) {
+								if (err != EPIPE && err != ECONNRESET && err != ESHUTDOWN
+									&& err != EAGAIN && err != EWOULDBLOCK) {
+									logadd(LOG_DEBUG1, "sendfile to %s failed (image to net. sent %d/%d, errno=%d)",
+										   client->hostName, (int) done, (int) realBytes, err);
+								}
+								if (err == EBADF || err == EFAULT || err == EINVAL || err == EIO) {
+									logadd(LOG_INFO, "Disabling %s:%d", image->name, image->rid);
+									image->working = false;
+								}
+							}
+							goto exit_client_cleanup;
+						}
+						done += ret;
+#elif defined(__FreeBSD__)
+						off_t sent;
+						int ret = sendfile( image_file, client->sock, offset, realBytes - done, NULL, &sent, 0 );
+						const int err = errno;
+						if ( ret < 0 ) {
+							if (err == EAGAIN) {
+								done += sent;
+								continue;
+							}
 							if ( ret == -1 ) {
 								if ( err != EPIPE && err != ECONNRESET && err != ESHUTDOWN
-										&& err != EAGAIN && err != EWOULDBLOCK ) {
-									logadd( LOG_DEBUG1, "sendfile to %s failed (image to net. sent %d/%d, errno=%d)",
-											client->hostName, (int)done, (int)realBytes, err );
+									 	&& err != EAGAIN && err != EWOULDBLOCK ) {
+									 logadd( LOG_DEBUG1, "sendfile to %s failed (image to net. sent %d/%d, errno=%d)",
+										 client->hostName, (int)done, (int)realBytes, err );
 								}
 								if ( err == EBADF || err == EFAULT || err == EINVAL || err == EIO ) {
-									logadd( LOG_INFO, "Disabling %s:%d", image->name, image->rid );
-									image->working = false;
+									 logadd( LOG_INFO, "Disabling %s:%d", image->name, image->rid );
+									 image->working = false;
 								}
 							}
 							goto exit_client_cleanup;
+						} else {
+							done += sent;
+							if (sent == 0) break;
 						}
-						done += ret;
+#endif
 					}
+					logadd(LOG_DEBUG2, "Send %i to %s", realBytes, client->hostName);
 					if ( request.size > (uint32_t)realBytes ) {
 						if ( !sendPadding( client->sock, request.size - (uint32_t)realBytes ) ) {
 							if ( lock ) pthread_mutex_unlock( &client->sendMutex );
-- 
cgit v1.2.3-55-g7522