1 files changed, 123 insertions, 0 deletions

diff --git a/toxcore/group_chats.h b/toxcore/group_chats.h
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+/* group_chats.h
+ *
+ * An implementation of massive text only group chats.
+ *
+ *
+ *  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/>.
+ *
+ */
+
+#ifndef GROUP_CHATS_H
+#define GROUP_CHATS_H
+
+#include "net_crypto.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    uint8_t     client_id[crypto_box_PUBLICKEYBYTES];
+    uint64_t    pingid;
+    uint64_t    last_pinged;
+
+    uint64_t    last_recv;
+    uint64_t    last_recv_msgping;
+    uint32_t    last_message_number;
+} Group_Peer;
+
+typedef struct {
+    uint8_t     client_id[crypto_box_PUBLICKEYBYTES];
+    IP_Port     ip_port;
+    uint64_t    last_recv;
+
+} Group_Close;
+
+#define GROUP_CLOSE_CONNECTIONS 6
+
+typedef struct Group_Chat {
+    Networking_Core *net;
+    uint8_t     self_public_key[crypto_box_PUBLICKEYBYTES];
+    uint8_t     self_secret_key[crypto_box_SECRETKEYBYTES];
+
+    Group_Peer *group;
+    Group_Close  close[GROUP_CLOSE_CONNECTIONS];
+    uint32_t numpeers;
+
+    uint32_t message_number;
+    void (*group_message)(struct Group_Chat *m, int, uint8_t *, uint16_t, void *);
+    void *group_message_userdata;
+
+} Group_Chat;
+
+/*
+ * Set callback function for chat messages.
+ *
+ * format of function is: function(Group_Chat *chat, peer number, message, message length, userdata)
+ */
+
+void callback_groupmessage(Group_Chat *chat, void (*function)(Group_Chat *chat, int, uint8_t *, uint16_t, void *),
+                           void *userdata);
+
+/*
+ * Send a message to the group.
+ *
+ */
+uint32_t group_sendmessage(Group_Chat *chat, uint8_t *message, uint32_t length);
+
+
+/*
+ * Tell everyone about a new peer (a person we are inviting for example.)
+ *
+ */
+uint32_t group_newpeer(Group_Chat *chat, uint8_t *client_id);
+
+
+/* Create a new group chat.
+ *
+ * Returns a new group chat instance if success.
+ *
+ * Returns a NULL pointer if fail.
+ */
+Group_Chat *new_groupchat(Networking_Core *net);
+
+
+/* Kill a group chat
+ *
+ * Frees the memory and everything.
+ */
+void kill_groupchat(Group_Chat *chat);
+
+/*
+ * This is the main loop.
+ */
+void do_groupchat(Group_Chat *chat);
+
+/* if we receive a group chat packet we call this function so it can be handled.
+    return 0 if packet is handled correctly.
+    return 1 if it didn't handle the packet or if the packet was shit. */
+int handle_groupchatpacket(Group_Chat *chat, IP_Port source, uint8_t *packet, uint32_t length);
+
+
+void chat_bootstrap(Group_Chat *chat, IP_Port ip_port, uint8_t *client_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif