VirtualBox

source: vbox/trunk/src/VBox/GuestHost/OpenGL/include/cr_net.h@ 41057

Last change on this file since 41057 was 39288, checked in by vboxsync, 13 years ago

CrOpenGL: avoid blocked client polling & extra memcpy (block hgsmi command until completion)
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 10.3 KB
Line 
1/* Copyright (c) 2001, Stanford University
2 * All rights reserved.
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#ifndef CR_NET_H
8#define CR_NET_H
9
10#ifdef WINDOWS
11#define WIN32_LEAN_AND_MEAN
12#pragma warning( push, 3 ) /* shut up about warnings in YOUR OWN HEADER FILES!!! */
13#include <winsock.h>
14#endif
15
16#include <stdio.h>
17
18#ifndef WINDOWS
19#include <sys/socket.h>
20#ifndef DARWIN
21#ifdef AF_INET6
22/* getaddrinfo & co appeared with ipv6 */
23#define ADDRINFO
24#endif
25#endif
26#include <netinet/in.h>
27#endif
28
29#ifdef SunOS
30#include <sys/types.h>
31#endif
32
33#include "cr_protocol.h"
34#include "cr_threads.h"
35
36#include <iprt/types.h>
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42#define DEFAULT_SERVER_PORT 7000
43
44/* If you change this, update DefaultMothershipPort in mothership.py */
45#define DEFAULT_MOTHERSHIP_PORT 10000
46
47typedef struct CRConnection CRConnection;
48
49typedef enum {
50 CR_NO_CONNECTION,
51 CR_SDP,
52 CR_TCPIP,
53 CR_UDPTCPIP,
54 CR_FILE,
55 CR_GM,
56 CR_IB,
57 CR_TEAC,
58 CR_TCSCOMM,
59 CR_VBOXHGCM,
60 CR_DROP_PACKETS
61} CRConnectionType;
62
63#if defined(WINDOWS)
64typedef SOCKET CRSocket;
65#else
66typedef int CRSocket;
67#endif
68
69typedef void (*CRVoidFunc)( void );
70typedef int (*CRNetReceiveFunc)( CRConnection *conn, CRMessage *msg, unsigned int len );
71typedef int (*CRNetConnectFunc)( CRConnection *conn );
72typedef void (*CRNetCloseFunc)( unsigned int sender_id );
73
74typedef struct __recvFuncList {
75 CRNetReceiveFunc recv;
76 struct __recvFuncList *next;
77} CRNetReceiveFuncList;
78
79typedef struct __closeFuncList {
80 CRNetCloseFunc close;
81 struct __closeFuncList *next;
82} CRNetCloseFuncList;
83
84typedef struct __messageListNode {
85 CRMessage *mesg; /* the actual message (header + payload) */
86 unsigned int len; /* length of message (header + payload) */
87 CRConnection *conn; /* some messages are assoc. with specific connections*/
88 struct __messageListNode *next; /* next in list */
89} CRMessageListNode;
90
91typedef struct {
92 CRMessageListNode *head, *tail;
93 int numMessages;
94 CRmutex lock;
95 CRcondition nonEmpty;
96} CRMessageList;
97
98
99/**
100 * Used to accumulate CR_MESSAGE_MULTI_BODY/TAIL chunks into one big buffer.
101 */
102typedef struct CRMultiBuffer {
103 unsigned int len; /* current length (<= max) (with sizeof_buffer_header) */
104 unsigned int max; /* size in bytes of data buffer */
105 void *buf; /* data buffer */
106} CRMultiBuffer;
107
108#ifdef VBOX_WITH_CRHGSMI
109# ifdef IN_GUEST
110typedef struct CRVBOXHGSMI_CLIENT {
111 struct VBOXUHGSMI *pHgsmi;
112 struct VBOXUHGSMI_BUFFER *pCmdBuffer;
113 struct VBOXUHGSMI_BUFFER *pHGBuffer;
114 void *pvHGBuffer;
115 struct CRBufferPool_t *bufpool;
116} CRVBOXHGSMI_CLIENT, *PCRVBOXHGSMI_CLIENT;
117#endif /* IN_GUEST */
118#endif /* #ifdef VBOX_WITH_CRHGSMI */
119/**
120 * Chromium network connection (bidirectional).
121 */
122struct CRConnection {
123 int ignore;
124 CRConnectionType type;
125 unsigned int id; /* obtained from the mothership (if brokered) */
126
127 /* List of messages that we've received on the network connection but
128 * nobody has yet consumed.
129 */
130 CRMessageList messageList;
131
132 CRMultiBuffer multi;
133
134 unsigned int mtu; /* max transmission unit size (in bytes) */
135 unsigned int buffer_size;
136 unsigned int krecv_buf_size;
137 int broker; /* is connection brokered through mothership? */
138 int threaded; /* is this a threaded connection? */
139 int endianness, swap;
140 int actual_network; /* is this a real network? */
141
142 unsigned char *userbuf;
143 int userbuf_len;
144
145 char *hostname;
146 int port;
147
148 /* To allocate a data buffer of size conn->buffer_size bytes */
149 void *(*Alloc)( CRConnection *conn );
150 /* To indicate the client's done with a data buffer */
151 void (*Free)( CRConnection *conn, void *buf );
152 /* To send a data buffer. If bufp is non-null, it must have been obtained
153 * from Alloc() and it'll be freed when Send() returns.
154 */
155 void (*Send)( CRConnection *conn, void **buf, const void *start, unsigned int len );
156 /* To send a data buffer than can optionally be dropped on the floor */
157 void (*Barf)( CRConnection *conn, void **buf, const void *start, unsigned int len );
158 /* To send 'len' bytes from buffer at 'start', no funny business */
159 void (*SendExact)( CRConnection *conn, const void *start, unsigned int len );
160 /* To receive data. 'len' bytes will be placed into 'buf'. */
161 void (*Recv)( CRConnection *conn, void *buf, unsigned int len );
162 /* To receive one message on the connection */
163 void (*RecvMsg)( CRConnection *conn );
164 /* What's this??? */
165 void (*InstantReclaim)( CRConnection *conn, CRMessage *mess );
166 /* Called when a full CR_MESSAGE_MULTI_HEAD/TAIL message has been received */
167 void (*HandleNewMessage)( CRConnection *conn, CRMessage *mess, unsigned int len );
168 /* To accept a new connection from a client */
169 void (*Accept)( CRConnection *conn, const char *hostname, unsigned short port );
170 /* To connect to a server (return 0 if error, 1 if success) */
171 int (*Connect)( CRConnection *conn );
172 /* To disconnect from a server */
173 void (*Disconnect)( CRConnection *conn );
174
175 unsigned int sizeof_buffer_header;
176
177 /* logging */
178 int total_bytes_sent;
179 int total_bytes_recv;
180 int recv_count;
181 int opcodes_count;
182
183 /* credits for flow control */
184 int send_credits;
185 int recv_credits;
186
187 /* TCP/IP */
188 CRSocket tcp_socket;
189 int index;
190
191 CRSocket sdp_socket;
192
193 /* UDP/IP */
194 CRSocket udp_socket;
195#ifndef ADDRINFO
196 struct sockaddr_in remoteaddr;
197#else
198 struct sockaddr_storage remoteaddr;
199#endif
200
201 /* UDP/TCP/IP */
202 unsigned int seq;
203 unsigned int ack;
204 void *udp_packet;
205 int udp_packetlen;
206
207 /* FILE Tracing */
208 enum { CR_FILE_WRITE, CR_FILE_READ } file_direction;
209 char *filename;
210 int fd;
211
212 /* Myrinet GM */
213 unsigned int gm_node_id;
214 unsigned int gm_port_num;
215
216 /* Mellanox IB */
217 unsigned int ib_node_id;
218 unsigned int ib_port_num;
219
220 /* Quadrics Elan3 (teac) */
221 int teac_id;
222 int teac_rank;
223
224 /* Quadrics Elan3 (tcscomm) */
225 int tcscomm_id;
226 int tcscomm_rank;
227
228 /* VBox HGCM */
229 uint32_t u32ClientID;
230 uint8_t *pBuffer;
231 uint32_t cbBuffer;
232 uint8_t *pHostBuffer;
233 uint32_t cbHostBufferAllocated;
234 uint32_t cbHostBuffer;
235#ifdef IN_GUEST
236 uint32_t u32InjectClientID;
237# ifdef VBOX_WITH_CRHGSMI
238# ifndef VBOX_CRHGSMI_WITH_D3DDEV
239 CRVBOXHGSMI_CLIENT HgsmiClient;
240# endif
241# endif
242#else
243# ifdef VBOX_WITH_CRHGSMI
244 struct _crclient *pClient; /* back reference, just for simplicity */
245 CRVBOXHGSMI_CMDDATA CmdData;
246# endif
247#endif
248 /* Used on host side to indicate that we are not allowed to store above pointers for later use
249 * in crVBoxHGCMReceiveMessage. As those messages are going to be processed after the corresponding
250 * HGCM call is finished and memory is freed. So we have to store a copy.
251 * This happens when message processing for client associated with this connection
252 * is blocked by another client, which has send us glBegin call and we're waiting to receive glEnd.
253 */
254 uint8_t allow_redir_ptr;
255
256 uint32_t vMajor, vMinor; /*Protocol version*/
257};
258
259
260/*
261 * Network functions
262 */
263extern DECLEXPORT(int) crGetHostname( char *buf, unsigned int len );
264
265extern DECLEXPORT(void) crNetInit( CRNetReceiveFunc recvFunc, CRNetCloseFunc closeFunc );
266extern DECLEXPORT(void) crNetTearDown();
267
268extern DECLEXPORT(void) *crNetAlloc( CRConnection *conn );
269extern DECLEXPORT(void) crNetFree( CRConnection *conn, void *buf );
270
271extern DECLEXPORT(void) crNetAccept( CRConnection *conn, const char *hostname, unsigned short port );
272extern DECLEXPORT(int) crNetConnect( CRConnection *conn );
273extern DECLEXPORT(void) crNetDisconnect( CRConnection *conn );
274extern DECLEXPORT(void) crNetFreeConnection( CRConnection *conn );
275extern DECLEXPORT(void) crCloseSocket( CRSocket sock );
276
277extern DECLEXPORT(void) crNetSend( CRConnection *conn, void **bufp, const void *start, unsigned int len );
278extern DECLEXPORT(void) crNetBarf( CRConnection *conn, void **bufp, const void *start, unsigned int len );
279extern DECLEXPORT(void) crNetSendExact( CRConnection *conn, const void *start, unsigned int len );
280extern DECLEXPORT(void) crNetSingleRecv( CRConnection *conn, void *buf, unsigned int len );
281extern DECLEXPORT(unsigned int) crNetGetMessage( CRConnection *conn, CRMessage **message );
282extern DECLEXPORT(unsigned int) crNetPeekMessage( CRConnection *conn, CRMessage **message );
283extern DECLEXPORT(int) crNetNumMessages(CRConnection *conn);
284extern DECLEXPORT(void) crNetReadline( CRConnection *conn, void *buf );
285extern DECLEXPORT(int) crNetRecv( void );
286#define CR_WRITEBACK_WAIT() do { \
287 while (writeback) { \
288 crNetRecv(); \
289 } \
290 } while (0)
291extern DECLEXPORT(void) crNetDefaultRecv( CRConnection *conn, CRMessage *msg, unsigned int len );
292extern DECLEXPORT(void) crNetDispatchMessage( CRNetReceiveFuncList *rfl, CRConnection *conn, CRMessage *msg, unsigned int len );
293
294extern DECLEXPORT(CRConnection *) crNetConnectToServer( const char *server, unsigned short default_port, int mtu, int broker );
295extern DECLEXPORT(CRConnection *) crNetAcceptClient( const char *protocol, const char *hostname, unsigned short port, unsigned int mtu, int broker );
296
297
298extern DECLEXPORT(void) crInitMessageList(CRMessageList *list);
299extern DECLEXPORT(void) crEnqueueMessage(CRMessageList *list, CRMessage *msg, unsigned int len, CRConnection *conn);
300extern DECLEXPORT(void) crDequeueMessage(CRMessageList *list, CRMessage **msg, unsigned int *len, CRConnection **conn);
301
302extern DECLEXPORT(void) crNetRecvReadPixels( const CRMessageReadPixels *rp, unsigned int len );
303
304
305/*
306 * Quadrics stuff
307 */
308#define CR_QUADRICS_DEFAULT_LOW_CONTEXT 32
309#define CR_QUADRICS_DEFAULT_HIGH_CONTEXT 35
310
311extern DECLEXPORT(void) crNetSetRank( int my_rank );
312extern DECLEXPORT(void) crNetSetContextRange( int low_context, int high_context );
313extern DECLEXPORT(void) crNetSetNodeRange( const char *low_node, const char *high_node );
314extern DECLEXPORT(void) crNetSetKey( const unsigned char* key, const int keyLength );
315
316
317/*
318 * Socket callback facility
319 */
320#define CR_SOCKET_CREATE 1
321#define CR_SOCKET_DESTROY 2
322typedef void (*CRSocketCallbackProc)(int mode, int socket);
323extern DECLEXPORT(void) crRegisterSocketCallback(int mode, CRSocketCallbackProc proc);
324
325
326#ifdef __cplusplus
327}
328#endif
329
330#endif /* CR_NET_H */
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette