source: flair-src/trunk/lib/FlairCore/src/unexported/ui_com.h

Last change on this file was 456, checked in by Sanahuja Guillaume, 4 months ago

refactor nb_buffering

File size: 2.7 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5// created: 2011/05/01
6// filename: ui_com.h
7//
8// author: Guillaume Sanahuja
9// Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11// version: $Id: $
12//
13// purpose: classe permettant la lecture et l'ecriture RT sur socket UDT
14//
15//
16/*********************************************************************/
17
18#ifndef UI_COM_H
19#define UI_COM_H
20
21#include "Thread.h"
22#include <udt.h>
23#ifdef __XENO__
24#include <native/pipe.h>
25#endif
26
27namespace flair {
28namespace core {
29class Mutex;
30class Object;
31}
32namespace gui {
33class SendData;
34}
35}
36
37class ui_com : public flair::core::Thread {
38public:
39 ui_com(const flair::core::Object *parent, UDTSOCKET sock);
40 ~ui_com();
41 //Send, public part
42 void Send(char *buf, ssize_t size,int ttl = -1);//ttl in ms, -1 for infinite
43 ssize_t Receive(char *buf, ssize_t buf_size);
44 void AddSendData(const flair::gui::SendData *obj);
45 void UpdateSendData(const flair::gui::SendData *obj);//must be called with mutex locked
46 void RemoveSendData(const flair::gui::SendData *obj);
47 void UpdateDataToSendBufferSize(const flair::gui::SendData *obj);
48 void Block(void);
49 void UnBlock(void);
50 bool ConnectionLost(void);
51 void CheckConnection(void);
52private:
53 //datasToSend and resumeTimes are pushed/pop together
54 std::vector<const flair::gui::SendData *> datasToSend;
55 std::vector<flair::core::Time> resumeTimes;
56 flair::core::Mutex *send_mutex;
57 UDTSOCKET socket_fd;
58 bool connection_lost;
59 void Run(void);
60 void SendDatas(void);
61 //private part, called to effectively send to udt
62 void SendNRT(char *buf, ssize_t size,int ttl);
63 void PushDatasToSend(const flair::gui::SendData *dataToSend);
64 void UpdateResumeTime(const flair::gui::SendData *obj);//must be called with mutex locked
65 typedef struct {
66 char* buf;
67 size_t actual_size;
68 size_t final_size;
69 uint16_t period;
70 uint16_t nb_buffering;
71 } PushedData_t;
72 std::vector<PushedData_t> pushedDatas;
73 size_t CalcBufferSize(const PushedData_t* ptr) const;//must be called with mutex locked
74 PushedData_t* GetCorrespondingPushedData(const flair::gui::SendData *dataToSend);//returns null if no corresponding buffer
75 void AddPushedData(const flair::gui::SendData *obj);
76
77
78 static int compressBuffer(char *in, ssize_t in_size, char **out,
79 ssize_t *out_size, int level);
80 static int uncompressBuffer(unsigned char *in, ssize_t in_size,
81 unsigned char **out, ssize_t *out_size);
82#ifdef __XENO__
83 bool is_running;
84 static void *user_thread(void *arg);
85 pthread_t thread;
86 RT_PIPE pipe;
87#endif
88};
89
90#endif // UI_COM_H
Note: See TracBrowser for help on using the repository browser.