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SDL_net.h
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1 /*
2 SDL_net: An example cross-platform network library for use with SDL
3 Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
4 Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
5
6 This software is provided 'as-is', without any express or implied
7 warranty. In no event will the authors be held liable for any damages
8 arising from the use of this software.
9
10 Permission is granted to anyone to use this software for any purpose,
11 including commercial applications, and to alter it and redistribute it
12 freely, subject to the following restrictions:
13
14 1. The origin of this software must not be misrepresented; you must not
15 claim that you wrote the original software. If you use this software
16 in a product, an acknowledgment in the product documentation would be
17 appreciated but is not required.
18 2. Altered source versions must be plainly marked as such, and must not be
19 misrepresented as being the original software.
20 3. This notice may not be removed or altered from any source distribution.
21 */
22
23 /* $Id$ */
24
25 #ifndef _SDL_NET_H
26 #define _SDL_NET_H
27
28 #ifdef WITHOUT_SDL
29 #include <stdint.h>
30 typedef uint8_t Uint8;
31 typedef uint16_t Uint16;
32 typedef uint32_t Uint32;
33
34 typedef struct SDLNet_version {
35 Uint8 major;
36 Uint8 minor;
37 Uint8 patch;
38 } SDLNet_version;
39
40 #else /* WITHOUT_SDL */
41
42 #include "SDL/SDL.h"
43 #include "SDL/SDL_endian.h"
44 #include "SDL/SDL_version.h"
45
46 typedef SDL_version SDLNet_version;
47
48 #endif /* WITHOUT_SDL */
49
50 #include "SDL/begin_code.h"
51
52 /* Set up for C function definitions, even when using C++ */
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56
57 /* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
58 */
59 #define SDL_NET_MAJOR_VERSION 2
60 #define SDL_NET_MINOR_VERSION 0
61 #define SDL_NET_PATCHLEVEL 0
62
63 /* This macro can be used to fill a version structure with the compile-time
64 * version of the SDL_net library.
65 */
66 #define SDL_NET_VERSION(X) \
67 { \
68 (X)->major = SDL_NET_MAJOR_VERSION; \
69 (X)->minor = SDL_NET_MINOR_VERSION; \
70 (X)->patch = SDL_NET_PATCHLEVEL; \
71 }
72
73 /* This function gets the version of the dynamically linked SDL_net library.
74 it should NOT be used to fill a version structure, instead you should
75 use the SDL_NET_VERSION() macro.
76 */
77 extern DECLSPEC const SDLNet_version * SDLCALL SDLNet_Linked_Version(void);
78
79 /* Initialize/Cleanup the network API
80 SDL must be initialized before calls to functions in this library,
81 because this library uses utility functions from the SDL library.
82 */
83 extern DECLSPEC int SDLCALL SDLNet_Init(void);
84 extern DECLSPEC void SDLCALL SDLNet_Quit(void);
85
86 /***********************************************************************/
87 /* IPv4 hostname resolution API */
88 /***********************************************************************/
89
90 typedef struct {
91 Uint32 host; /* 32-bit IPv4 host address */
92 Uint16 port; /* 16-bit protocol port */
93 } IPaddress;
94
95 /* Resolve a host name and port to an IP address in network form.
96 If the function succeeds, it will return 0.
97 If the host couldn't be resolved, the host portion of the returned
98 address will be INADDR_NONE, and the function will return -1.
99 If 'host' is NULL, the resolved host will be set to INADDR_ANY.
100 */
101 #ifndef INADDR_ANY
102 #define INADDR_ANY 0x00000000
103 #endif
104 #ifndef INADDR_NONE
105 #define INADDR_NONE 0xFFFFFFFF
106 #endif
107 #ifndef INADDR_LOOPBACK
108 #define INADDR_LOOPBACK 0x7f000001
109 #endif
110 #ifndef INADDR_BROADCAST
111 #define INADDR_BROADCAST 0xFFFFFFFF
112 #endif
113 extern DECLSPEC int SDLCALL SDLNet_ResolveHost(IPaddress *address, const char *host, Uint16 port);
114
115 /* Resolve an ip address to a host name in canonical form.
116 If the ip couldn't be resolved, this function returns NULL,
117 otherwise a pointer to a static buffer containing the hostname
118 is returned. Note that this function is not thread-safe.
119 */
120 extern DECLSPEC const char * SDLCALL SDLNet_ResolveIP(const IPaddress *ip);
121
122 /* Get the addresses of network interfaces on this system.
123 This returns the number of addresses saved in 'addresses'
124 */
125 extern DECLSPEC int SDLCALL SDLNet_GetLocalAddresses(IPaddress *addresses, int maxcount);
126
127 /***********************************************************************/
128 /* TCP network API */
129 /***********************************************************************/
130
131 typedef struct _TCPsocket *TCPsocket;
132
133 /* Open a TCP network socket
134 If ip.host is INADDR_NONE or INADDR_ANY, this creates a local server
135 socket on the given port, otherwise a TCP connection to the remote
136 host and port is attempted. The address passed in should already be
137 swapped to network byte order (addresses returned from
138 SDLNet_ResolveHost() are already in the correct form).
139 The newly created socket is returned, or NULL if there was an error.
140 */
141 extern DECLSPEC TCPsocket SDLCALL SDLNet_TCP_Open(IPaddress *ip);
142
143 /* Accept an incoming connection on the given server socket.
144 The newly created socket is returned, or NULL if there was an error.
145 */
146 extern DECLSPEC TCPsocket SDLCALL SDLNet_TCP_Accept(TCPsocket server);
147
148 /* Get the IP address of the remote system associated with the socket.
149 If the socket is a server socket, this function returns NULL.
150 */
151 extern DECLSPEC IPaddress * SDLCALL SDLNet_TCP_GetPeerAddress(TCPsocket sock);
152
153 /* Send 'len' bytes of 'data' over the non-server socket 'sock'
154 This function returns the actual amount of data sent. If the return value
155 is less than the amount of data sent, then either the remote connection was
156 closed, or an unknown socket error occurred.
157 */
158 extern DECLSPEC int SDLCALL SDLNet_TCP_Send(TCPsocket sock, const void *data,
159 int len);
160
161 /* Receive up to 'maxlen' bytes of data over the non-server socket 'sock',
162 and store them in the buffer pointed to by 'data'.
163 This function returns the actual amount of data received. If the return
164 value is less than or equal to zero, then either the remote connection was
165 closed, or an unknown socket error occurred.
166 */
167 extern DECLSPEC int SDLCALL SDLNet_TCP_Recv(TCPsocket sock, void *data, int maxlen);
168
169 /* Close a TCP network socket */
170 extern DECLSPEC void SDLCALL SDLNet_TCP_Close(TCPsocket sock);
171
172
173 /***********************************************************************/
174 /* UDP network API */
175 /***********************************************************************/
176
177 /* The maximum channels on a a UDP socket */
178 #define SDLNET_MAX_UDPCHANNELS 32
179 /* The maximum addresses bound to a single UDP socket channel */
180 #define SDLNET_MAX_UDPADDRESSES 4
181
182 typedef struct _UDPsocket *UDPsocket;
183 typedef struct {
184 int channel; /* The src/dst channel of the packet */
185 Uint8 *data; /* The packet data */
186 int len; /* The length of the packet data */
187 int maxlen; /* The size of the data buffer */
188 int status; /* packet status after sending */
189 IPaddress address; /* The source/dest address of an incoming/outgoing packet */
190 } UDPpacket;
191
192 /* Allocate/resize/free a single UDP packet 'size' bytes long.
193 The new packet is returned, or NULL if the function ran out of memory.
194 */
195 extern DECLSPEC UDPpacket * SDLCALL SDLNet_AllocPacket(int size);
196 extern DECLSPEC int SDLCALL SDLNet_ResizePacket(UDPpacket *packet, int newsize);
197 extern DECLSPEC void SDLCALL SDLNet_FreePacket(UDPpacket *packet);
198
199 /* Allocate/Free a UDP packet vector (array of packets) of 'howmany' packets,
200 each 'size' bytes long.
201 A pointer to the first packet in the array is returned, or NULL if the
202 function ran out of memory.
203 */
204 extern DECLSPEC UDPpacket ** SDLCALL SDLNet_AllocPacketV(int howmany, int size);
205 extern DECLSPEC void SDLCALL SDLNet_FreePacketV(UDPpacket **packetV);
206
207
208 /* Open a UDP network socket
209 If 'port' is non-zero, the UDP socket is bound to a local port.
210 The 'port' should be given in native byte order, but is used
211 internally in network (big endian) byte order, in addresses, etc.
212 This allows other systems to send to this socket via a known port.
213 */
214 extern DECLSPEC UDPsocket SDLCALL SDLNet_UDP_Open(Uint16 port);
215
216 /* Set the percentage of simulated packet loss for packets sent on the socket.
217 */
218 extern DECLSPEC void SDLCALL SDLNet_UDP_SetPacketLoss(UDPsocket sock, int percent);
219
220 /* Bind the address 'address' to the requested channel on the UDP socket.
221 If the channel is -1, then the first unbound channel that has not yet
222 been bound to the maximum number of addresses will be bound with
223 the given address as it's primary address.
224 If the channel is already bound, this new address will be added to the
225 list of valid source addresses for packets arriving on the channel.
226 If the channel is not already bound, then the address becomes the primary
227 address, to which all outbound packets on the channel are sent.
228 This function returns the channel which was bound, or -1 on error.
229 */
230 extern DECLSPEC int SDLCALL SDLNet_UDP_Bind(UDPsocket sock, int channel, const IPaddress *address);
231
232 /* Unbind all addresses from the given channel */
233 extern DECLSPEC void SDLCALL SDLNet_UDP_Unbind(UDPsocket sock, int channel);
234
235 /* Get the primary IP address of the remote system associated with the
236 socket and channel. If the channel is -1, then the primary IP port
237 of the UDP socket is returned -- this is only meaningful for sockets
238 opened with a specific port.
239 If the channel is not bound and not -1, this function returns NULL.
240 */
241 extern DECLSPEC IPaddress * SDLCALL SDLNet_UDP_GetPeerAddress(UDPsocket sock, int channel);
242
243 /* Send a vector of packets to the the channels specified within the packet.
244 If the channel specified in the packet is -1, the packet will be sent to
245 the address in the 'src' member of the packet.
246 Each packet will be updated with the status of the packet after it has
247 been sent, -1 if the packet send failed.
248 This function returns the number of packets sent.
249 */
250 extern DECLSPEC int SDLCALL SDLNet_UDP_SendV(UDPsocket sock, UDPpacket **packets, int npackets);
251
252 /* Send a single packet to the specified channel.
253 If the channel specified in the packet is -1, the packet will be sent to
254 the address in the 'src' member of the packet.
255 The packet will be updated with the status of the packet after it has
256 been sent.
257 This function returns 1 if the packet was sent, or 0 on error.
258
259 NOTE:
260 The maximum size of the packet is limited by the MTU (Maximum Transfer Unit)
261 of the transport medium. It can be as low as 250 bytes for some PPP links,
262 and as high as 1500 bytes for ethernet.
263 */
264 extern DECLSPEC int SDLCALL SDLNet_UDP_Send(UDPsocket sock, int channel, UDPpacket *packet);
265
266 /* Receive a vector of pending packets from the UDP socket.
267 The returned packets contain the source address and the channel they arrived
268 on. If they did not arrive on a bound channel, the the channel will be set
269 to -1.
270 The channels are checked in highest to lowest order, so if an address is
271 bound to multiple channels, the highest channel with the source address
272 bound will be returned.
273 This function returns the number of packets read from the network, or -1
274 on error. This function does not block, so can return 0 packets pending.
275 */
276 extern DECLSPEC int SDLCALL SDLNet_UDP_RecvV(UDPsocket sock, UDPpacket **packets);
277
278 /* Receive a single packet from the UDP socket.
279 The returned packet contains the source address and the channel it arrived
280 on. If it did not arrive on a bound channel, the the channel will be set
281 to -1.
282 The channels are checked in highest to lowest order, so if an address is
283 bound to multiple channels, the highest channel with the source address
284 bound will be returned.
285 This function returns the number of packets read from the network, or -1
286 on error. This function does not block, so can return 0 packets pending.
287 */
288 extern DECLSPEC int SDLCALL SDLNet_UDP_Recv(UDPsocket sock, UDPpacket *packet);
289
290 /* Close a UDP network socket */
291 extern DECLSPEC void SDLCALL SDLNet_UDP_Close(UDPsocket sock);
292
293
294 /***********************************************************************/
295 /* Hooks for checking sockets for available data */
296 /***********************************************************************/
297
298 typedef struct _SDLNet_SocketSet *SDLNet_SocketSet;
299
300 /* Any network socket can be safely cast to this socket type */
301 typedef struct _SDLNet_GenericSocket {
302 int ready;
303 } *SDLNet_GenericSocket;
304
305 /* Allocate a socket set for use with SDLNet_CheckSockets()
306 This returns a socket set for up to 'maxsockets' sockets, or NULL if
307 the function ran out of memory.
308 */
309 extern DECLSPEC SDLNet_SocketSet SDLCALL SDLNet_AllocSocketSet(int maxsockets);
310
311 /* Add a socket to a set of sockets to be checked for available data */
312 extern DECLSPEC int SDLCALL SDLNet_AddSocket(SDLNet_SocketSet set, SDLNet_GenericSocket sock);
313 static __inline__ int SDLNet_TCP_AddSocket(SDLNet_SocketSet set, TCPsocket sock)
314 {
315 return SDLNet_AddSocket(set, (SDLNet_GenericSocket)sock);
316 }
317 static __inline__ int SDLNet_UDP_AddSocket(SDLNet_SocketSet set, UDPsocket sock)
318 {
319 return SDLNet_AddSocket(set, (SDLNet_GenericSocket)sock);
320 }
321
322
323 /* Remove a socket from a set of sockets to be checked for available data */
324 extern DECLSPEC int SDLCALL SDLNet_DelSocket(SDLNet_SocketSet set, SDLNet_GenericSocket sock);
325 static __inline__ int SDLNet_TCP_DelSocket(SDLNet_SocketSet set, TCPsocket sock)
326 {
327 return SDLNet_DelSocket(set, (SDLNet_GenericSocket)sock);
328 }
329 static __inline__ int SDLNet_UDP_DelSocket(SDLNet_SocketSet set, UDPsocket sock)
330 {
331 return SDLNet_DelSocket(set, (SDLNet_GenericSocket)sock);
332 }
333
334 /* This function checks to see if data is available for reading on the
335 given set of sockets. If 'timeout' is 0, it performs a quick poll,
336 otherwise the function returns when either data is available for
337 reading, or the timeout in milliseconds has elapsed, which ever occurs
338 first. This function returns the number of sockets ready for reading,
339 or -1 if there was an error with the select() system call.
340 */
341 extern DECLSPEC int SDLCALL SDLNet_CheckSockets(SDLNet_SocketSet set, Uint32 timeout);
342
343 /* After calling SDLNet_CheckSockets(), you can use this function on a
344 socket that was in the socket set, to find out if data is available
345 for reading.
346 */
347 #define SDLNet_SocketReady(sock) _SDLNet_SocketReady((SDLNet_GenericSocket)(sock))
348 static __inline__ int _SDLNet_SocketReady(SDLNet_GenericSocket sock)
349 {
350 return (sock != NULL) && (sock->ready);
351 }
352
353 /* Free a set of sockets allocated by SDL_NetAllocSocketSet() */
354 extern DECLSPEC void SDLCALL SDLNet_FreeSocketSet(SDLNet_SocketSet set);
355
356 /***********************************************************************/
357 /* Error reporting functions */
358 /***********************************************************************/
359
360 extern DECLSPEC void SDLCALL SDLNet_SetError(const char *fmt, ...);
361 extern DECLSPEC const char * SDLCALL SDLNet_GetError(void);
362
363 /***********************************************************************/
364 /* Inline functions to read/write network data */
365 /***********************************************************************/
366
367 /* Warning, some systems have data access alignment restrictions */
368 #if defined(sparc) || defined(mips) || defined(__arm__)
369 #define SDL_DATA_ALIGNED 1
370 #endif
371 #ifndef SDL_DATA_ALIGNED
372 #define SDL_DATA_ALIGNED 0
373 #endif
374
375 /* Write a 16/32-bit value to network packet buffer */
376 #define SDLNet_Write16(value, areap) _SDLNet_Write16(value, areap)
377 #define SDLNet_Write32(value, areap) _SDLNet_Write32(value, areap)
378
379 /* Read a 16/32-bit value from network packet buffer */
380 #define SDLNet_Read16(areap) _SDLNet_Read16(areap)
381 #define SDLNet_Read32(areap) _SDLNet_Read32(areap)
382
383 #if !defined(WITHOUT_SDL) && !SDL_DATA_ALIGNED
384
385 static __inline__ void _SDLNet_Write16(Uint16 value, void *areap)
386 {
387 *(Uint16 *)areap = SDL_SwapBE16(value);
388 }
389
390 static __inline__ void _SDLNet_Write32(Uint32 value, void *areap)
391 {
392 *(Uint32 *)areap = SDL_SwapBE32(value);
393 }
394
395 static __inline__ Uint16 _SDLNet_Read16(const void *areap)
396 {
397 return SDL_SwapBE16(*(const Uint16 *)areap);
398 }
399
400 static __inline__ Uint32 _SDLNet_Read32(const void *areap)
401 {
402 return SDL_SwapBE32(*(const Uint32 *)areap);
403 }
404
405 #else /* !defined(WITHOUT_SDL) && !SDL_DATA_ALIGNED */
406
407 static __inline__ void _SDLNet_Write16(Uint16 value, void *areap)
408 {
409 Uint8 *area = (Uint8*)areap;
410 area[0] = (value >> 8) & 0xFF;
411 area[1] = value & 0xFF;
412 }
413
414 static __inline__ void _SDLNet_Write32(Uint32 value, void *areap)
415 {
416 Uint8 *area = (Uint8*)areap;
417 area[0] = (value >> 24) & 0xFF;
418 area[1] = (value >> 16) & 0xFF;
419 area[2] = (value >> 8) & 0xFF;
420 area[3] = value & 0xFF;
421 }
422
423 static __inline__ Uint16 _SDLNet_Read16(void *areap)
424 {
425 Uint8 *area = (Uint8*)areap;
426 return ((Uint16)area[0]) << 8 | ((Uint16)area[1]);
427 }
428
429 static __inline__ Uint32 _SDLNet_Read32(const void *areap)
430 {
431 const Uint8 *area = (const Uint8*)areap;
432 return ((Uint32)area[0]) << 24 | ((Uint32)area[1]) << 16 | ((Uint32)area[2]) << 8 | ((Uint32)area[3]);
433 }
434
435 #endif /* !defined(WITHOUT_SDL) && !SDL_DATA_ALIGNED */
436
437 /* Ends C function definitions when using C++ */
438 #ifdef __cplusplus
439 }
440 #endif
441 #include "SDL/close_code.h"
442
443 #endif /* _SDL_NET_H */
SDLNet_TCP_Send
DECLSPEC int SDLCALL SDLNet_TCP_Send(TCPsocket sock, const void *data, int len)
Definition: SDLnetTCP.c:236
SDLNet_SetError
DECLSPEC void SDLCALL SDLNet_SetError(const char *fmt,...)
Definition: SDLnet.c:65
__inline__
#define __inline__
Definition: begin_code.h:119
SDLNet_CheckSockets
DECLSPEC int SDLCALL SDLNet_CheckSockets(SDLNet_SocketSet set, Uint32 timeout)
Definition: SDLnetselect.c:110
IPaddress::host
Uint32 host
Definition: SDL_net.h:91
_SDLNet_Read32
static __inline__ Uint32 _SDLNet_Read32(const void *areap)
Definition: SDL_net.h:400
SDLNet_DelSocket
DECLSPEC int SDLCALL SDLNet_DelSocket(SDLNet_SocketSet set, SDLNet_GenericSocket sock)
Definition: SDLnetselect.c:81
UDPsocket
struct _UDPsocket * UDPsocket
Definition: SDL_net.h:182
SDLNet_UDP_DelSocket
static __inline__ int SDLNet_UDP_DelSocket(SDLNet_SocketSet set, UDPsocket sock)
Definition: SDL_net.h:329
SDLNet_UDP_Open
DECLSPEC UDPsocket SDLCALL SDLNet_UDP_Open(Uint16 port)
Definition: SDLnetUDP.c:139
NULL
#define NULL
Definition: ftobjs.h:61
uint16_t
unsigned short uint16_t
Definition: SDL_config_windows.h:60
SDLNet_FreeSocketSet
DECLSPEC void SDLCALL SDLNet_FreeSocketSet(SDLNet_SocketSet set)
Definition: SDLnetselect.c:156
IPaddress
Definition: SDL_net.h:90
SDLNet_Init
DECLSPEC int SDLCALL SDLNet_Init(void)
Definition: SDLnet.c:86
_SDLNet_Read16
static __inline__ Uint16 _SDLNet_Read16(const void *areap)
Definition: SDL_net.h:395
SDL_version::major
Uint8 major
Definition: SDL_version.h:53
UDPpacket
Definition: SDL_net.h:183
DECLSPEC
#define DECLSPEC
Definition: begin_code.h:62
SDLNet_GenericSocket
struct _SDLNet_GenericSocket * SDLNet_GenericSocket
_SDLNet_Write32
static __inline__ void _SDLNet_Write32(Uint32 value, void *areap)
Definition: SDL_net.h:390
len
GLenum GLsizei len
Definition: glew.h:7035
SDLCALL
#define SDLCALL
Definition: begin_code.h:72
begin_code.h
SDLNet_TCP_Accept
DECLSPEC TCPsocket SDLCALL SDLNet_TCP_Accept(TCPsocket server)
Definition: SDLnetTCP.c:166
SDL_SwapBE32
#define SDL_SwapBE32(X)
Definition: SDL_endian.h:216
SDLNet_AllocPacket
DECLSPEC UDPpacket *SDLCALL SDLNet_AllocPacket(int size)
Definition: SDLnetUDP.c:51
SDL_SwapBE16
#define SDL_SwapBE16(X)
Definition: SDL_endian.h:215
SDLNet_AddSocket
DECLSPEC int SDLCALL SDLNet_AddSocket(SDLNet_SocketSet set, SDLNet_GenericSocket sock)
Definition: SDLnetselect.c:68
UDPpacket::len
int len
Definition: SDL_net.h:186
UDPpacket::address
IPaddress address
Definition: SDL_net.h:189
SDLNet_Linked_Version
DECLSPEC const SDLNet_version *SDLCALL SDLNet_Linked_Version(void)
Definition: SDLnet.c:33
SDLNet_TCP_GetPeerAddress
DECLSPEC IPaddress *SDLCALL SDLNet_TCP_GetPeerAddress(TCPsocket sock)
Definition: SDLnetTCP.c:223
SDLNet_UDP_Unbind
DECLSPEC void SDLCALL SDLNet_UDP_Unbind(UDPsocket sock, int channel)
Definition: SDLnetUDP.c:287
packets
static UDPpacket ** packets
Definition: chat.cpp:46
Uint32
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:145
SDLNet_TCP_AddSocket
static __inline__ int SDLNet_TCP_AddSocket(SDLNet_SocketSet set, TCPsocket sock)
Definition: SDL_net.h:313
SDLNet_UDP_AddSocket
static __inline__ int SDLNet_UDP_AddSocket(SDLNet_SocketSet set, UDPsocket sock)
Definition: SDL_net.h:317
UDPpacket::channel
int channel
Definition: SDL_net.h:184
SDLNet_SocketSet
struct _SDLNet_SocketSet * SDLNet_SocketSet
Definition: SDL_net.h:298
_SDLNet_Write16
static __inline__ void _SDLNet_Write16(Uint16 value, void *areap)
Definition: SDL_net.h:385
SDL_version
Information the version of SDL in use.
Definition: SDL_version.h:51
close_code.h
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl2ext.h:848
SDLNet_UDP_SendV
DECLSPEC int SDLCALL SDLNet_UDP_SendV(UDPsocket sock, UDPpacket **packets, int npackets)
Definition: SDLnetUDP.c:326
SDLNet_FreePacketV
DECLSPEC void SDLCALL SDLNet_FreePacketV(UDPpacket **packetV)
Definition: SDLnetUDP.c:121
SDLNet_AllocPacketV
DECLSPEC UDPpacket **SDLCALL SDLNet_AllocPacketV(int howmany, int size)
Definition: SDLnetUDP.c:98
address
GLuint GLuint64EXT address
Definition: glew.h:13266
_SDLNet_SocketReady
static __inline__ int _SDLNet_SocketReady(SDLNet_GenericSocket sock)
Definition: SDL_net.h:348
SDL_version::minor
Uint8 minor
Definition: SDL_version.h:54
SDLNet_TCP_Open
DECLSPEC TCPsocket SDLCALL SDLNet_TCP_Open(IPaddress *ip)
Definition: SDLnetTCP.c:46
IPaddress::port
Uint16 port
Definition: SDL_net.h:92
SDLNet_ResolveIP
DECLSPEC const char *SDLCALL SDLNet_ResolveIP(const IPaddress *ip)
Definition: SDLnet.c:173
SDLNet_Quit
DECLSPEC void SDLCALL SDLNet_Quit(void)
Definition: SDLnet.c:110
timeout
GLbitfield GLuint64 timeout
Definition: glew.h:5938
SDLNet_UDP_Send
DECLSPEC int SDLCALL SDLNet_UDP_Send(UDPsocket sock, int channel, UDPpacket *packet)
Definition: SDLnetUDP.c:399
SDL_endian.h
SDLNet_GetLocalAddresses
DECLSPEC int SDLCALL SDLNet_GetLocalAddresses(IPaddress *addresses, int maxcount)
Definition: SDLnet.c:187
SDLNet_ResolveHost
DECLSPEC int SDLCALL SDLNet_ResolveHost(IPaddress *address, const char *host, Uint16 port)
Definition: SDLnet.c:138
uint8_t
unsigned char uint8_t
Definition: SDL_config_windows.h:58
uint32_t
unsigned int uint32_t
Definition: SDL_config_windows.h:62
SDLNet_UDP_SetPacketLoss
DECLSPEC void SDLCALL SDLNet_UDP_SetPacketLoss(UDPsocket sock, int percent)
Definition: SDLnetUDP.c:220
SDLNet_FreePacket
DECLSPEC void SDLCALL SDLNet_FreePacket(UDPpacket *packet)
Definition: SDLnetUDP.c:85
SDLNet_version
SDL_version SDLNet_version
Definition: SDL_net.h:46
value
EGLSurface EGLint void ** value
Definition: eglext.h:301
TCPsocket
struct _TCPsocket * TCPsocket
Definition: SDL_net.h:131
sock
TCPsocket sock
Definition: chatd.c:41
Uint8
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:129
SDLNet_TCP_DelSocket
static __inline__ int SDLNet_TCP_DelSocket(SDLNet_SocketSet set, TCPsocket sock)
Definition: SDL_net.h:325
UDPpacket::status
int status
Definition: SDL_net.h:188
SDLNet_UDP_Close
DECLSPEC void SDLCALL SDLNet_UDP_Close(UDPsocket sock)
Definition: SDLnetUDP.c:515
SDLNet_UDP_Bind
DECLSPEC int SDLCALL SDLNet_UDP_Bind(UDPsocket sock, int channel, const IPaddress *address)
Definition: SDLnetUDP.c:256
SDLNet_UDP_GetPeerAddress
DECLSPEC IPaddress *SDLCALL SDLNet_UDP_GetPeerAddress(UDPsocket sock, int channel)
Definition: SDLnetUDP.c:298
SDLNet_AllocSocketSet
DECLSPEC SDLNet_SocketSet SDLCALL SDLNet_AllocSocketSet(int maxsockets)
Definition: SDLnetselect.c:44
SDLNet_TCP_Recv
DECLSPEC int SDLCALL SDLNet_TCP_Recv(TCPsocket sock, void *data, int maxlen)
Definition: SDLnetTCP.c:269
_SDLNet_GenericSocket
Definition: SDL_net.h:301
Uint16
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:137
SDL_version.h
UDPpacket::maxlen
int maxlen
Definition: SDL_net.h:187
UDPpacket::data
Uint8 * data
Definition: SDL_net.h:185
SDLNet_TCP_Close
DECLSPEC void SDLCALL SDLNet_TCP_Close(TCPsocket sock)
Definition: SDLnetTCP.c:289
_SDLNet_GenericSocket::ready
int ready
Definition: SDL_net.h:302
SDLNet_GetError
DECLSPEC const char *SDLCALL SDLNet_GetError(void)
Definition: SDLnet.c:76
SDL_version::patch
Uint8 patch
Definition: SDL_version.h:55
SDLNet_ResizePacket
DECLSPEC int SDLCALL SDLNet_ResizePacket(UDPpacket *packet, int newsize)
Definition: SDLnetUDP.c:73
SDLNet_UDP_Recv
DECLSPEC int SDLCALL SDLNet_UDP_Recv(UDPsocket sock, UDPpacket *packet)
Definition: SDLnetUDP.c:504
SDLNet_UDP_RecvV
DECLSPEC int SDLCALL SDLNet_UDP_RecvV(UDPsocket sock, UDPpacket **packets)
Definition: SDLnetUDP.c:439
size
GLsizei size
Definition: gl2ext.h:1467