From 84b57000a176f676e2b70b29127455524e578f01 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 11 Oct 2017 16:00:00 +0200
Subject: [SERVER] rpc: Support querying storage size + available space

---
 src/server/rpc.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/server/rpc.c')

diff --git a/src/server/rpc.c b/src/server/rpc.c
index fef7f85..7f57b0a 100644
--- a/src/server/rpc.c
+++ b/src/server/rpc.c
@@ -105,13 +105,19 @@ void rpc_sendStatsJson(int sock, dnbd3_host_t* host, const void* data, const int
 static bool handleStatus(int sock, const char *request, int permissions)
 {
 	bool ok;
-	bool stats = false, images = false, clients = false;
+	bool stats = false, images = false, clients = false, space = false;
 	if ( strstr( request, "stats" ) != NULL ) {
 		if ( !(permissions & ACL_STATS) ) {
 			return sendReply( sock, "403 Forbidden", "text/plain", "No permission to access statistics", -1, HTTP_KEEPALIVE );
 		}
 		stats = true;
 	}
+	if ( strstr( request, "space" ) != NULL ) {
+		if ( !(permissions & ACL_STATS) ) {
+			return sendReply( sock, "403 Forbidden", "text/plain", "No permission to access statistics", -1, HTTP_KEEPALIVE );
+		}
+		space = true;
+	}
 	if ( strstr( request, "images" ) != NULL ) {
 		if ( !(permissions & ACL_IMAGE_LIST) ) {
 			return sendReply( sock, "403 Forbidden", "text/plain", "No permission to access image list", -1, HTTP_KEEPALIVE );
@@ -142,6 +148,12 @@ static bool handleStatus(int sock, const char *request, int permissions)
 		statisticsJson = json_pack( "{sI}",
 				"runId", randomRunId );
 	}
+	if ( space ) {
+		uint64_t spaceTotal = 0, spaceAvail = 0;
+		file_freeDiskSpace( _basePath, &spaceTotal, &spaceAvail );
+		json_object_set_new( statisticsJson, "spaceTotal", json_integer( spaceTotal ) );
+		json_object_set_new( statisticsJson, "spaceFree", json_integer( spaceAvail ) );
+	}
 	if ( jsonClients != NULL ) {
 		if ( clients ) {
 			json_object_set_new( statisticsJson, "clients", jsonClients );
-- 
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