Renamed dht server to dht node

1 files changed, 65 insertions, 0 deletions

diff --git a/other/bootstrap_node_packets.c b/other/bootstrap_node_packets.c
new file mode 100644
index 00000000..ea57b0d2
--- /dev/null
+++ b/other/bootstrap_node_packets.c
@@ -0,0 +1,65 @@
+/* bootstrap_node_packets.c
+ *
+ * Special bootstrap node only packets.
+ *
+ * Include it in your bootstrap node and use: bootstrap_set_callbacks() to enable.
+ *
+ *  Copyright (C) 2013 Tox project All Rights Reserved.
+ *
+ *  This file is part of Tox.
+ *
+ *  Tox is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Tox is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Tox.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define MAX_MOTD_LENGTH 256 /* I recommend you use a maximum of 96 bytes. The hard maximum is this though. */
+
+#define INFO_REQUEST_PACKET_LENGTH 78
+
+static uint32_t bootstrap_version;
+static uint8_t bootstrap_motd[MAX_MOTD_LENGTH];
+static uint16_t bootstrap_motd_length;
+
+/* To request this packet just send a packet of length INFO_REQUEST_PACKET_LENGTH
+ * with the first byte being BOOTSTRAP_INFO_PACKET_ID
+ */
+static int handle_info_request(void *object, IP_Port source, uint8_t *packet, uint32_t length)
+{
+    if (length != INFO_REQUEST_PACKET_LENGTH)
+        return 1;
+
+    uint8_t data[1 + sizeof(bootstrap_version) + MAX_MOTD_LENGTH];
+    data[0] = BOOTSTRAP_INFO_PACKET_ID;
+    memcpy(data + 1, &bootstrap_version, sizeof(bootstrap_version));
+    uint16_t len = 1 + sizeof(bootstrap_version) + bootstrap_motd_length;
+    memcpy(data + 1 + sizeof(bootstrap_version), bootstrap_motd, bootstrap_motd_length);
+
+    if (sendpacket(object, source, data, len) == len)
+        return 0;
+
+    return 1;
+}
+
+int bootstrap_set_callbacks(Networking_Core *net, uint32_t version, uint8_t *motd, uint16_t motd_length)
+{
+    if (motd_length > MAX_MOTD_LENGTH)
+        return -1;
+
+    bootstrap_version = htonl(version);
+    memcpy(bootstrap_motd, motd, motd_length);
+    bootstrap_motd_length = motd_length;
+
+    networking_registerhandler(net, BOOTSTRAP_INFO_PACKET_ID, &handle_info_request, net);
+    return 0;
+}