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/*
* @author Tobias Frisch
* @file gnunet_chat_context.c
*/
#include "gnunet_chat_lib.h"
#include "gnunet_chat_context.h"
#include "gnunet_chat_handle.h"
struct GNUNET_CHAT_Context*
context_create (struct GNUNET_CHAT_Handle *handle,
const struct GNUNET_HashCode *key)
{
struct GNUNET_MESSENGER_Handle *messenger = handle->handles.messenger;
struct GNUNET_HashCode _room_key;
const struct GNUNET_HashCode *room_key;
if (key)
room_key = key;
else
{
GNUNET_CRYPTO_random_block(
GNUNET_CRYPTO_QUALITY_WEAK,
&_room_key,
sizeof(_room_key)
);
room_key = &_room_key;
}
struct GNUNET_MESSENGER_Room *room = GNUNET_MESSENGER_open_room(
messenger, room_key
);
if (!room)
return NULL;
struct GNUNET_CHAT_Context* context = GNUNET_new(struct GNUNET_CHAT_Context);
context->handle = handle;
context->room = room;
GNUNET_memcpy(&(context->key), room_key, sizeof(_room_key));
return context;
}
void
context_destroy (struct GNUNET_CHAT_Context* context)
{
GNUNET_free(context);
}
const struct GNUNET_HashCode*
context_get_key (struct GNUNET_CHAT_Context* context)
{
return &(context->key);
}
void
GNUNET_CHAT_context_send_text (struct GNUNET_CHAT_Context *context,
const char *text)
{
if (!context)
return;
struct GNUNET_MESSENGER_Message message;
message.header.kind = GNUNET_MESSENGER_KIND_TEXT;
message.body.text.text = text;
GNUNET_MESSENGER_send_message(context->room, &message, NULL);
}
void
GNUNET_CHAT_context_send_file (struct GNUNET_CHAT_Context *context,
const char *path)
{
//TODO: generate key, hash file, encrypt file, upload file, share uri & info
}
void
GNUNET_CHAT_context_send_uri (struct GNUNET_CHAT_Context *context,
const char *uri)
{
if (!context)
return;
struct GNUNET_MESSENGER_Message message;
message.header.kind = GNUNET_MESSENGER_KIND_FILE;
memset(&(message.body.file.key), 0, sizeof(message.body.file.key));
message.body.file.hash; // TODO: download & hash
GNUNET_memcpy(message.body.file.name, "", 1); // TODO: cut from uri or get from download?
message.body.file.uri = uri;
GNUNET_MESSENGER_send_message(context->room, &message, NULL);
}
void
GNUNET_CHAT_context_share_file (struct GNUNET_CHAT_Context *context,
const struct GNUNET_CHAT_File *file)
{
//TODO: send copied message basically
}
void
GNUNET_CHAT_context_delete_message (struct GNUNET_CHAT_Context *context,
const struct GNUNET_HashCode *hash,
struct GNUNET_TIME_Relative delay)
{
if (!context)
return;
struct GNUNET_MESSENGER_Message message;
message.header.kind = GNUNET_MESSENGER_KIND_TEXT;
GNUNET_memcpy(&(message.body.delete.hash), hash, sizeof(*hash));
message.body.delete.delay = GNUNET_TIME_relative_hton(delay);
GNUNET_MESSENGER_send_message(context->room, &message, NULL);
}
const struct GNUNET_CHAT_Message*
GNUNET_CHAT_context_get_message (struct GNUNET_CHAT_Context *context,
const struct GNUNET_HashCode *hash)
{
if (!context)
return NULL;
struct GNUNET_MESSENGER_Message *message = GNUNET_MESSENGER_get_message(
context->room, hash
);
//TODO: convert messenger-message to chat-message
return NULL;
}
int
GNUNET_CHAT_context_iterate_messages (struct GNUNET_CHAT_Context *context,
GNUNET_CHAT_ContextMessageCallback callback,
void *cls)
{
return GNUNET_SYSERR;
}
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