From fa900b4658b21294682760bdf84071cbb2b79aa4 Mon Sep 17 00:00:00 2001
From: Stephan Schwaer
Date: Mon, 4 May 2015 17:23:42 +0200
Subject: Removed dnbd3_printClients, added clients to statistics json in rpc.

---
 src/server/rpc.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 47 insertions(+), 10 deletions(-)

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

diff --git a/src/server/rpc.c b/src/server/rpc.c
index b2dc088..ae01a0e 100644
--- a/src/server/rpc.c
+++ b/src/server/rpc.c
@@ -1,18 +1,55 @@
 #include <unistd.h>
+#include <string.h>
 #include <jansson.h>
 
 #include "rpc.h"
+#include "server.h"
+#include "net.h"
+#include "uplink.h"
+#include "log.h"
+#include "locks.h"
+#include "helper.h"
+
+static void clientsToJson(json_t *jsonClients);
 
 void rpc_sendStatsJson(int sock)
 {
-	int receivedBytes = 0;
-	int sentBytes = 1;
-	json_t *statisticsJson = json_pack( "{sisi}", "receivedBytes", receivedBytes, "sentBytes", sentBytes );
-	char* jsonString = json_dumps(statisticsJson, 0);
-	char bla[500];
-	snprintf(bla, sizeof bla, "HTTP/1.1 200 OK\r\nConnection: Close\r\nContent-Length: %d\r\nContent-Type: application/json\r\n\r\n", (int)strlen(jsonString));
-	write( sock, bla, strlen(bla) );
-	int n = write( sock, jsonString, strlen(jsonString));
-	json_decref(statisticsJson);
-	free(jsonString);
+	uint64_t receivedBytes = uplink_getTotalBytesReceived();
+	uint64_t sentBytes = net_getTotalBytesSent();
+
+	json_t *jsonClients = json_array();
+	clientsToJson( jsonClients );
+
+	json_t *statisticsJson = json_pack( "{sisi}", "receivedBytes", (json_int_t) receivedBytes, "sentBytes", (json_int_t) sentBytes );
+	json_object_set( statisticsJson, "clients", jsonClients );
+	char *jsonString = json_dumps( statisticsJson, 0 );
+
+	char buffer[500];
+	snprintf(buffer, sizeof(buffer), "HTTP/1.1 200 OK\r\nConnection: Close\r\nContent-Length: %d\r\nContent-Type: application/json\r\n\r\n",
+			(int) strlen( jsonString ) );
+	write( sock, buffer, strlen( buffer ) );
+	write( sock, jsonString, strlen( jsonString ) );
+	json_decref( statisticsJson );
+	json_decref( jsonClients );
+	free( jsonString );
+}
+
+static void clientsToJson(json_t *jsonClients)
+{
+	json_t *clientStats;
+	int i;
+	char clientName[100];
+	const char *imageName;
+	spin_lock( &_clients_lock );
+	for (i = 0; i < _num_clients; ++i) {
+		if ( _clients[i] == NULL ) continue;
+		spin_lock( &_clients[i]->lock );
+		host_to_string( &_clients[i]->host, clientName, sizeof(clientName) );
+		imageName =_clients[i]->image != NULL ? _clients[i]->image->lower_name : "NULL";
+		clientStats = json_pack( "{sssssi}", "client", clientName, "image", imageName , "bytesSent", (json_int_t) _clients[i]->bytesSent );
+		json_array_append( jsonClients, clientStats );
+		json_decref( clientStats );
+		spin_unlock( &_clients[i]->lock );
+	}
+	spin_unlock( &_clients_lock );
 }
-- 
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