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-rw-r--r--src/messenger/messenger_api.c568
1 files changed, 0 insertions, 568 deletions
diff --git a/src/messenger/messenger_api.c b/src/messenger/messenger_api.c
deleted file mode 100644
index 6401b18d7..000000000
--- a/src/messenger/messenger_api.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/*
- This file is part of GNUnet.
- Copyright (C) 2020 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Tobias Frisch
- * @file src/messenger/messenger_api.c
- * @brief messenger api: client implementation of GNUnet MESSENGER service
- */
-
-#include "gnunet_messenger_service.h"
-
-#include "gnunet-service-messenger.h"
-
-#include "messenger_api_handle.h"
-#include "messenger_api_message.h"
-
-const char*
-GNUNET_MESSENGER_name_of_kind (enum GNUNET_MESSENGER_MessageKind kind)
-{
- switch (kind)
- {
- case GNUNET_MESSENGER_KIND_INFO:
- return "INFO";
- case GNUNET_MESSENGER_KIND_JOIN:
- return "JOIN";
- case GNUNET_MESSENGER_KIND_LEAVE:
- return "LEAVE";
- case GNUNET_MESSENGER_KIND_NAME:
- return "NAME";
- case GNUNET_MESSENGER_KIND_KEY:
- return "KEY";
- case GNUNET_MESSENGER_KIND_PEER:
- return "PEER";
- case GNUNET_MESSENGER_KIND_ID:
- return "ID";
- case GNUNET_MESSENGER_KIND_MISS:
- return "MISS";
- case GNUNET_MESSENGER_KIND_MERGE:
- return "MERGE";
- case GNUNET_MESSENGER_KIND_REQUEST:
- return "REQUEST";
- case GNUNET_MESSENGER_KIND_INVITE:
- return "INVITE";
- case GNUNET_MESSENGER_KIND_TEXT:
- return "TEXT";
- case GNUNET_MESSENGER_KIND_FILE:
- return "FILE";
- default:
- return "UNKNOWN";
- }
-}
-
-static int
-check_get_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
- GNUNET_MQ_check_zero_termination(msg);
- return GNUNET_OK;
-}
-
-static void
-handle_get_name (void *cls, const struct GNUNET_MESSENGER_NameMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const char *name = ((const char*) msg) + sizeof(*msg);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set name of handle: %s\n", name);
-
- set_handle_name (handle, strlen(name) > 0? name : NULL);
-}
-
-static void
-handle_get_key (void *cls, const struct GNUNET_MESSENGER_KeyMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_IDENTITY_PublicKey *pubkey = &(msg->pubkey);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set key of handle: %s\n", GNUNET_IDENTITY_public_key_to_string (pubkey));
-
- set_handle_key (handle, pubkey);
-
- if (handle->identity_callback)
- handle->identity_callback (handle->identity_cls, handle);
-}
-
-static void
-handle_member_id (void *cls, const struct GNUNET_MESSENGER_MemberMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_HashCode *key = &(msg->key);
- const struct GNUNET_ShortHashCode *id = &(msg->id);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Set id of handle in room: %s\n", GNUNET_h2s (key));
-
- struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
-
- if (room)
- {
- if (!room->contact_id)
- room->contact_id = GNUNET_new(struct GNUNET_ShortHashCode);
-
- GNUNET_memcpy(room->contact_id, id, sizeof(*id));
- }
-}
-
-static void
-handle_room_open (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_HashCode *key = &(msg->key);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Opened room: %s\n", GNUNET_h2s (key));
-
- open_handle_room (handle, key);
-}
-
-static void
-handle_room_entry (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_PeerIdentity *door = &(msg->door);
- const struct GNUNET_HashCode *key = &(msg->key);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Entered room: %s\n", GNUNET_h2s (key));
-
- entry_handle_room_at (handle, door, key);
-}
-
-static void
-handle_room_close (void *cls, const struct GNUNET_MESSENGER_RoomMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_HashCode *key = &(msg->key);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Closed room: %s\n", GNUNET_h2s (key));
-
- close_handle_room (handle, key);
-}
-
-static int
-check_recv_message (void *cls, const struct GNUNET_MESSENGER_RecvMessage *msg)
-{
- const uint16_t full_length = ntohs (msg->header.size) - sizeof(msg->header);
-
- if (full_length < sizeof(msg->hash))
- return GNUNET_NO;
-
- const uint16_t length = full_length - sizeof(msg->hash);
- const char *buffer = ((const char*) msg) + sizeof(*msg);
-
- struct GNUNET_MESSENGER_Message message;
-
- if (length < sizeof(message.header))
- return GNUNET_NO;
-
- if (GNUNET_YES != decode_message (&message, length, buffer))
- return GNUNET_NO;
-
- return GNUNET_OK;
-}
-
-static void
-handle_recv_message (void *cls, const struct GNUNET_MESSENGER_RecvMessage *msg)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- const struct GNUNET_HashCode *key = &(msg->key);
- const struct GNUNET_HashCode *hash = &(msg->hash);
-
- const char *buffer = ((const char*) msg) + sizeof(*msg);
-
- const uint16_t length = ntohs (msg->header.size) - sizeof(*msg);
-
- struct GNUNET_MESSENGER_Message message;
- decode_message (&message, length, buffer);
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Receiving message: %s\n", GNUNET_MESSENGER_name_of_kind (message.header.kind));
-
- struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
-
- if (room)
- {
- handle_room_message (room, &message, hash);
-
- if (handle->msg_callback)
- handle->msg_callback (handle->msg_cls, room, &message, hash);
- }
- else
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "MESSENGER ERROR: Room not found\n");
-}
-
-static void
-reconnect (struct GNUNET_MESSENGER_Handle *handle);
-
-static void
-send_open_room (struct GNUNET_MESSENGER_Handle *handle, struct GNUNET_MESSENGER_Room *room)
-{
- struct GNUNET_MESSENGER_RoomMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN);
- GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
- GNUNET_MQ_send (handle->mq, env);
-}
-
-static void
-send_entry_room (struct GNUNET_MESSENGER_Handle *handle, struct GNUNET_MESSENGER_Room *room,
- const struct GNUNET_PeerIdentity *door)
-{
- struct GNUNET_MESSENGER_RoomMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY);
- GNUNET_memcpy(&(msg->door), door, sizeof(*door));
- GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
- GNUNET_MQ_send (handle->mq, env);
-}
-
-static void
-send_close_room (struct GNUNET_MESSENGER_Handle *handle, struct GNUNET_MESSENGER_Room *room)
-{
- struct GNUNET_MESSENGER_RoomMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE);
- GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
- GNUNET_MQ_send (handle->mq, env);
-}
-
-static int
-iterate_reset_room (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
- struct GNUNET_MESSENGER_Room *room = value;
-
- if (GNUNET_YES == room->opened)
- send_open_room (handle, room);
-
- struct GNUNET_MESSENGER_ListTunnel *entry = room->entries.head;
-
- struct GNUNET_PeerIdentity door;
-
- while (entry)
- {
- GNUNET_PEER_resolve (entry->peer, &door);
-
- send_entry_room (handle, room, &door);
-
- entry = entry->next;
- }
-
- return GNUNET_YES;
-}
-
-static void
-callback_reconnect (void *cls)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- handle->reconnect_task = NULL;
- handle->reconnect_time = GNUNET_TIME_STD_BACKOFF(handle->reconnect_time)
- ;
-
- reconnect (handle);
-
- GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_reset_room, handle);
-}
-
-static int
-iterate_close_room (void *cls, const struct GNUNET_HashCode *key, void *value)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
- struct GNUNET_MESSENGER_Room *room = value;
-
- send_close_room (handle, room);
-
- return GNUNET_YES;
-}
-
-static void
-callback_mq_error (void *cls, enum GNUNET_MQ_Error error)
-{
- struct GNUNET_MESSENGER_Handle *handle = cls;
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "MQ ERROR: %u\n", error);
-
- GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_close_room, handle);
-
- if (handle->mq)
- {
- GNUNET_MQ_destroy (handle->mq);
- handle->mq = NULL;
- }
-
- handle->reconnect_task = GNUNET_SCHEDULER_add_delayed (handle->reconnect_time, &callback_reconnect, handle);
-}
-
-static void
-reconnect (struct GNUNET_MESSENGER_Handle *handle)
-{
- const struct GNUNET_MQ_MessageHandler handlers[] = { GNUNET_MQ_hd_var_size(
- get_name, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_NAME, struct GNUNET_MESSENGER_NameMessage, handle),
- GNUNET_MQ_hd_fixed_size(
- get_key, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_GET_KEY,
- struct GNUNET_MESSENGER_KeyMessage, handle),
- GNUNET_MQ_hd_fixed_size(
- member_id,
- GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_MEMBER_ID,
- struct GNUNET_MESSENGER_MemberMessage, handle),
- GNUNET_MQ_hd_fixed_size(room_open,
- GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_OPEN,
- struct GNUNET_MESSENGER_RoomMessage,
- handle),
- GNUNET_MQ_hd_fixed_size(room_entry,
- GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_ENTRY,
- struct GNUNET_MESSENGER_RoomMessage,
- handle),
- GNUNET_MQ_hd_fixed_size(room_close,
- GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_CLOSE,
- struct GNUNET_MESSENGER_RoomMessage,
- handle),
- GNUNET_MQ_hd_var_size(
- recv_message,
- GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_RECV_MESSAGE,
- struct GNUNET_MESSENGER_RecvMessage, handle),
- GNUNET_MQ_handler_end() };
-
- handle->mq = GNUNET_CLIENT_connect (handle->cfg,
- GNUNET_MESSENGER_SERVICE_NAME,
- handlers, &callback_mq_error, handle);
-}
-
-struct GNUNET_MESSENGER_Handle*
-GNUNET_MESSENGER_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, const char *name,
- GNUNET_MESSENGER_IdentityCallback identity_callback, void *identity_cls,
- GNUNET_MESSENGER_MessageCallback msg_callback, void *msg_cls)
-{
- struct GNUNET_MESSENGER_Handle *handle = create_handle (cfg, identity_callback, identity_cls, msg_callback, msg_cls);
-
- reconnect (handle);
-
- if (handle->mq)
- {
- const uint16_t name_len = name ? strlen (name) : 0;
-
- struct GNUNET_MESSENGER_CreateMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg_extra(msg, name_len + 1, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_CREATE);
-
- char *extra = ((char*) msg) + sizeof(*msg);
-
- if (name_len)
- GNUNET_memcpy(extra, name, name_len);
-
- extra[name_len] = '\0';
-
- GNUNET_MQ_send (handle->mq, env);
- return handle;
- }
- else
- {
- destroy_handle (handle);
- return NULL;
- }
-}
-
-int
-GNUNET_MESSENGER_update (struct GNUNET_MESSENGER_Handle *handle)
-{
- if ((!handle) || (!get_handle_name(handle)))
- return GNUNET_SYSERR;
-
- struct GNUNET_MESSENGER_UpdateMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_UPDATE);
- GNUNET_MQ_send (handle->mq, env);
- return GNUNET_OK;
-}
-
-void
-GNUNET_MESSENGER_disconnect (struct GNUNET_MESSENGER_Handle *handle)
-{
- if (!handle)
- return;
-
- struct GNUNET_MESSENGER_DestroyMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_DESTROY);
- GNUNET_MQ_send (handle->mq, env);
-
- destroy_handle (handle);
-}
-
-const char*
-GNUNET_MESSENGER_get_name (const struct GNUNET_MESSENGER_Handle *handle)
-{
- if (!handle)
- return NULL;
-
- return get_handle_name (handle);
-}
-
-int
-GNUNET_MESSENGER_set_name (struct GNUNET_MESSENGER_Handle *handle, const char *name)
-{
- if (!handle)
- return GNUNET_SYSERR;
-
- const uint16_t name_len = name ? strlen (name) : 0;
-
- struct GNUNET_MESSENGER_NameMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg_extra(msg, name_len + 1, GNUNET_MESSAGE_TYPE_MESSENGER_CONNECTION_SET_NAME);
-
- char *extra = ((char*) msg) + sizeof(*msg);
-
- if (name_len)
- GNUNET_memcpy(extra, name, name_len);
-
- extra[name_len] = '\0';
-
- GNUNET_MQ_send (handle->mq, env);
- return GNUNET_YES;
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_get_key (const struct GNUNET_MESSENGER_Handle *handle)
-{
- if (!handle)
- return NULL;
-
- return get_handle_key (handle);
-}
-
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_open_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_HashCode *key)
-{
- struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
-
- if (!room)
- {
- room = create_room (handle, key);
-
- if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->rooms, key, room,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
- {
- destroy_room (room);
- return NULL;
- }
- }
-
- send_open_room (handle, room);
- return room;
-}
-
-struct GNUNET_MESSENGER_Room*
-GNUNET_MESSENGER_entry_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_PeerIdentity *door,
- const struct GNUNET_HashCode *key)
-{
- struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
-
- if (!room)
- {
- room = create_room (handle, key);
-
- if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (handle->rooms, key, room,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
- {
- destroy_room (room);
- return NULL;
- }
- }
-
- send_entry_room (handle, room, door);
- return room;
-}
-
-void
-GNUNET_MESSENGER_close_room (struct GNUNET_MESSENGER_Room *room)
-{
- send_close_room (room->handle, room);
-}
-
-struct GNUNET_MESSENGER_Contact*
-GNUNET_MESSENGER_get_member (const struct GNUNET_MESSENGER_Room *room, const struct GNUNET_ShortHashCode *id)
-{
- return GNUNET_CONTAINER_multishortmap_get (room->members, id);
-}
-
-const char*
-GNUNET_MESSENGER_contact_get_name (const struct GNUNET_MESSENGER_Contact *contact)
-{
- if (!contact)
- return NULL;
-
- return get_contact_name (contact);
-}
-
-const struct GNUNET_IDENTITY_PublicKey*
-GNUNET_MESSENGER_contact_get_key (const struct GNUNET_MESSENGER_Contact *contact)
-{
- if (!contact)
- return NULL;
-
- return get_contact_key (contact);
-}
-
-void
-GNUNET_MESSENGER_send_message (struct GNUNET_MESSENGER_Room *room, const struct GNUNET_MESSENGER_Message *message)
-{
- const uint16_t length = get_message_size (message);
-
- struct GNUNET_MESSENGER_SendMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg_extra(msg, length, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_SEND_MESSAGE);
-
- GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
-
- char *buffer = ((char*) msg) + sizeof(*msg);
- encode_message (message, length, buffer);
-
- GNUNET_MQ_send (room->handle->mq, env);
-}
-
-const struct GNUNET_MESSENGER_Message*
-GNUNET_MESSENGER_get_message (const struct GNUNET_MESSENGER_Room *room, const struct GNUNET_HashCode *hash)
-{
- const struct GNUNET_MESSENGER_Message *message = get_room_message (room, hash);
-
- if (!message)
- {
- struct GNUNET_MESSENGER_RecvMessage *msg;
- struct GNUNET_MQ_Envelope *env;
-
- env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_MESSENGER_ROOM_GET_MESSAGE);
- GNUNET_memcpy(&(msg->key), &(room->key), sizeof(room->key));
- GNUNET_memcpy(&(msg->hash), hash, sizeof(*hash));
- GNUNET_MQ_send (room->handle->mq, env);
- }
-
- return message;
-}