+++ /dev/null
- /* Copyright (c) 2012-2013. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-#include "messages.h"
-#include "bittorrent.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_messages,
- "Messages specific for the message factory");
-
-#define BITS_TO_BYTES(x) ((x / 8) + (x % 8) ? 1 : 0)
-
-/**
- * Build a new empty message
- * @param type type of the message
- * @param issuer_host_name hostname of the issuer, for debuging purposes
- * @param mailbox mailbox where the peer should answer
- * @param peer_id id of the issuer
- * @param size message size in bytes
- */
-msg_task_t task_message_new(e_message_type type, const char *issuer_host_name,
- const char *mailbox, int peer_id, int size)
-{
- message_t message = xbt_new(s_message_t, 1);
- message->issuer_host_name = issuer_host_name;
- message->peer_id = peer_id;
- message->mailbox = mailbox;
- message->type = type;
- msg_task_t task = MSG_task_create(NULL, 0, size, message);
- XBT_DEBUG("type: %d size: %d", (int) type, size);
- return task;
-}
-
-/**
- * Builds a message containing an index.
- */
-msg_task_t task_message_index_new(e_message_type type,
- const char *issuer_host_name,
- const char *mailbox, int peer_id,
- int index, int varsize)
-{
- msg_task_t task = task_message_new(type, issuer_host_name, mailbox, peer_id,
- task_message_size(type) + varsize);
- message_t message = MSG_task_get_data(task);
- message->index = index;
- return task;
-}
-
-msg_task_t task_message_bitfield_new(const char *issuer_host_name,
- const char *mailbox, int peer_id,
- char *bitfield, int bitfield_size)
-{
- msg_task_t task =
- task_message_new(MESSAGE_BITFIELD, issuer_host_name, mailbox, peer_id,
- task_message_size(MESSAGE_BITFIELD) +
- /* Size of bitfield in bytes */
- BITS_TO_BYTES(bitfield_size));
- message_t message = MSG_task_get_data(task);
- message->bitfield = bitfield;
- return task;
-}
-
-msg_task_t task_message_request_new(const char *issuer_host_name,
- const char *mailbox, int peer_id,
- int index, int block_index,
- int block_length)
-{
- msg_task_t task =
- task_message_index_new(MESSAGE_REQUEST, issuer_host_name, mailbox,
- peer_id, index, 0);
- message_t message = MSG_task_get_data(task);
- message->block_index = block_index;
- message->block_length = block_length;
- return task;
-}
-
-msg_task_t task_message_piece_new(const char *issuer_host_name,
- const char *mailbox, int peer_id, int index,
- int block_index,
- int block_length, int block_size)
-{
- msg_task_t task =
- task_message_index_new(MESSAGE_PIECE, issuer_host_name, mailbox, peer_id,
- index, block_length * block_size);
- message_t message = MSG_task_get_data(task);
- message->block_index = block_index;
- message->block_length = block_length;
- return task;
-}
-
-void task_message_free(void *task)
-{
- message_t message = MSG_task_get_data(task);
- xbt_free(message);
- MSG_task_destroy(task);
-}
-
-int task_message_size(e_message_type type)
-{
- int size = 0;
- switch (type) {
- case MESSAGE_HANDSHAKE:
- size = MESSAGE_HANDSHAKE_SIZE;
- break;
- case MESSAGE_CHOKE:
- size = MESSAGE_CHOKE_SIZE;
- break;
- case MESSAGE_UNCHOKE:
- size = MESSAGE_UNCHOKE_SIZE;
- break;
- case MESSAGE_INTERESTED:
- size = MESSAGE_INTERESTED_SIZE;
- break;
- case MESSAGE_NOTINTERESTED:
- size = MESSAGE_INTERESTED_SIZE;
- break;
- case MESSAGE_HAVE:
- size = MESSAGE_HAVE_SIZE;
- break;
- case MESSAGE_BITFIELD:
- size = MESSAGE_BITFIELD_SIZE;
- break;
- case MESSAGE_REQUEST:
- size = MESSAGE_REQUEST_SIZE;
- break;
- case MESSAGE_PIECE:
- size = MESSAGE_PIECE_SIZE;
- break;
- case MESSAGE_CANCEL:
- size = MESSAGE_CANCEL_SIZE;
- break;
- }
- return size;
-}
