mv some app examples in app- folders

[simgrid.git] / examples / msg / app-bittorrent / peer.h

diff --git a/examples/msg/app-bittorrent/peer.h b/examples/msg/app-bittorrent/peer.h
new file mode 100644 (file)
index 0000000..009de84
--- /dev/null
+++ b/examples/msg/app-bittorrent/peer.h
@@ -0,0 +1,97 @@
+/* Copyright (c) 2012-2016. 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. */
+
+#ifndef BITTORRENT_PEER_H
+#define BITTORRENT_PEER_H
+#include <simgrid/msg.h>
+#include <xbt/dict.h>
+#include <xbt/dynar.h>
+#include <xbt/RngStream.h>
+#include "connection.h"
+#include "bittorrent.h"
+
+/** Peer data */
+typedef struct s_peer {
+  int id;                       //peer id
+
+  int pieces;                   //number of pieces the peer has.
+  char *bitfield;               //list of pieces the peer has.
+  char *bitfield_blocks;        //list of blocks the peer has.
+  short *pieces_count;          //number of peers that have each piece.
+
+  xbt_dynar_t current_pieces;   //current pieces the peer is downloading
+
+  xbt_dict_t peers;             //peers list
+  xbt_dict_t active_peers;      //active peers list
+  int round;                    //current round for the chocking algorithm.
+
+
+  char mailbox[MAILBOX_SIZE];   //peer mailbox.
+  char mailbox_tracker[MAILBOX_SIZE];   //pair mailbox while communicating with the tracker.
+  const char *hostname;         //peer hostname
+
+  msg_task_t task_received;     //current task being received
+  msg_comm_t comm_received;     //current comm
+
+
+  RngStream stream;             //RngStream for
+
+  double begin_receive_time;    //time when the receiving communication has begun, useful for calculating host speed.
+
+} s_peer_t, *peer_t;
+
+/** Peer main function */
+int peer(int argc, char *argv[]);
+
+int get_peers_data(peer_t peer);
+void leech_loop(peer_t peer, double deadline);
+void seed_loop(peer_t peer, double deadline);
+
+void peer_init(peer_t, int id, int seed);
+void peer_free(peer_t peer);
+
+int has_finished(char *bitfield);
+
+void handle_message(peer_t peer, msg_task_t task);
+
+void update_pieces_count_from_bitfield(peer_t peer, char *bitfield);
+void update_choked_peers(peer_t peer);
+
+void update_interested_after_receive(peer_t peer);
+
+void update_bitfield_blocks(peer_t peer, int index, int block_index, int block_length);
+int piece_complete(peer_t peer, int index);
+int get_first_block(peer_t peer, int piece);
+
+
+int nb_interested_peers(peer_t peer);
+int is_interested(peer_t peer, connection_t remote_peer);
+int is_interested_and_free(peer_t peer, connection_t remote_peer);
+int in_current_pieces(peer_t peer, int piece);
+int partially_downloaded_piece(peer_t peer, connection_t remote_peer);
+
+void request_new_piece_to_peer(peer_t peer, connection_t remote_peer);
+void send_request_to_peer(peer_t peer, connection_t remote_peer, int piece);
+void remove_current_piece(peer_t peer, connection_t remote_peer, int current_piece);
+
+void update_active_peers_set(peer_t peer, connection_t remote_peer);
+int select_piece_to_download(peer_t peer, connection_t remote_peer);
+
+void send_handshake_all(peer_t peer);
+
+void send_interested(peer_t peer, const char *mailbox);
+
+void send_notinterested(peer_t peer, const char *mailbox);
+void send_handshake(peer_t peer, const char *mailbox);
+void send_bitfield(peer_t peer, const char *mailbox);
+void send_choked(peer_t peer, const char *mailbox);
+void send_unchoked(peer_t peer, const char *mailbox);
+void send_have(peer_t peer, int piece);
+
+void send_request(peer_t peer, const char *mailbox, int piece, int block_index, int block_length);
+void send_piece(peer_t peer, const char *mailbox, int piece, int block_index, int block_length);
+
+#endif                          /* BITTORRENT_PEER_H */