28 |
* |
* |
29 |
* Author: Adam Dunkels <adam@sics.se> |
* Author: Adam Dunkels <adam@sics.se> |
30 |
* |
* |
31 |
|
* Improved by Marc Boucher <marc@mbsi.ca> and David Haas <dhaas@alum.rpi.edu> |
32 |
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* |
33 |
*/ |
*/ |
34 |
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|
35 |
#include "lwip/debug.h" |
#include "lwip/debug.h" |
36 |
#include "lwip/api.h" |
#include "lwip/api.h" |
37 |
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#include "lwip/arch.h" |
38 |
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#include "lwip/sys.h" |
39 |
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|
40 |
#include "lwip/sockets.h" |
#include "lwip/sockets.h" |
41 |
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|
42 |
#define NUM_SOCKETS 10 |
#define NUM_SOCKETS MEMP_NUM_NETCONN |
43 |
|
|
44 |
struct lwip_socket { |
struct lwip_socket { |
45 |
struct netconn *conn; |
struct netconn *conn; |
46 |
struct netbuf *lastdata; |
struct netbuf *lastdata; |
47 |
u16_t lastoffset; |
u16_t lastoffset; |
48 |
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u16_t rcvevent; |
49 |
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u16_t sendevent; |
50 |
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u16_t flags; |
51 |
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int err; |
52 |
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}; |
53 |
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|
54 |
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struct lwip_select_cb |
55 |
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{ |
56 |
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struct lwip_select_cb *next; |
57 |
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fd_set *readset; |
58 |
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fd_set *writeset; |
59 |
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fd_set *exceptset; |
60 |
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int sem_signalled; |
61 |
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sys_sem_t sem; |
62 |
}; |
}; |
63 |
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|
64 |
static struct lwip_socket sockets[NUM_SOCKETS]; |
static struct lwip_socket sockets[NUM_SOCKETS]; |
65 |
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static struct lwip_select_cb *select_cb_list = 0; |
66 |
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|
67 |
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static sys_sem_t socksem = 0; |
68 |
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static sys_sem_t selectsem = 0; |
69 |
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70 |
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static void |
71 |
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event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len); |
72 |
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|
73 |
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static int err_to_errno_table[11] = { |
74 |
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0, /* ERR_OK 0 No error, everything OK. */ |
75 |
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ENOMEM, /* ERR_MEM -1 Out of memory error. */ |
76 |
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ENOBUFS, /* ERR_BUF -2 Buffer error. */ |
77 |
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ECONNABORTED, /* ERR_ABRT -3 Connection aborted. */ |
78 |
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ECONNRESET, /* ERR_RST -4 Connection reset. */ |
79 |
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ESHUTDOWN, /* ERR_CLSD -5 Connection closed. */ |
80 |
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ENOTCONN, /* ERR_CONN -6 Not connected. */ |
81 |
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EINVAL, /* ERR_VAL -7 Illegal value. */ |
82 |
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EIO, /* ERR_ARG -8 Illegal argument. */ |
83 |
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EHOSTUNREACH, /* ERR_RTE -9 Routing problem. */ |
84 |
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EADDRINUSE /* ERR_USE -10 Address in use. */ |
85 |
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}; |
86 |
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|
87 |
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#define err_to_errno(err) \ |
88 |
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((err) < (sizeof(err_to_errno_table)/sizeof(int))) ? \ |
89 |
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err_to_errno_table[-(err)] : EIO |
90 |
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|
91 |
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#ifdef ERRNO |
92 |
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#define set_errno(err) errno = (err) |
93 |
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#else |
94 |
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#define set_errno(err) |
95 |
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#endif |
96 |
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97 |
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#define sock_set_errno(sk, e) do { \ |
98 |
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sk->err = (e); \ |
99 |
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set_errno(sk->err); \ |
100 |
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} while(0) |
101 |
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|
102 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
103 |
static struct lwip_socket * |
static struct lwip_socket * |
105 |
{ |
{ |
106 |
struct lwip_socket *sock; |
struct lwip_socket *sock; |
107 |
|
|
108 |
if(s > NUM_SOCKETS) { |
if((s < 0) || (s > NUM_SOCKETS)) { |
109 |
/* errno = EBADF; */ |
DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): invalid\n", s)); |
110 |
|
set_errno(EBADF); |
111 |
return NULL; |
return NULL; |
112 |
} |
} |
113 |
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|
114 |
sock = &sockets[s]; |
sock = &sockets[s]; |
115 |
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|
116 |
if(sock->conn == NULL) { |
if(!sock->conn) { |
117 |
/* errno = EBADF; */ |
DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): not active\n", s)); |
118 |
|
set_errno(EBADF); |
119 |
return NULL; |
return NULL; |
120 |
} |
} |
121 |
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|
122 |
return sock; |
return sock; |
123 |
} |
} |
124 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
126 |
alloc_socket(struct netconn *newconn) |
alloc_socket(struct netconn *newconn) |
127 |
{ |
{ |
128 |
int i; |
int i; |
129 |
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|
130 |
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if (!socksem) |
131 |
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socksem = sys_sem_new(1); |
132 |
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133 |
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/* Protect socket array */ |
134 |
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sys_sem_wait(socksem); |
135 |
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|
136 |
/* allocate a new socket identifier */ |
/* allocate a new socket identifier */ |
137 |
for(i = 0; i < NUM_SOCKETS; ++i) { |
for(i = 0; i < NUM_SOCKETS; ++i) { |
138 |
if(sockets[i].conn == NULL) { |
if(!sockets[i].conn) { |
139 |
sockets[i].conn = newconn; |
sockets[i].conn = newconn; |
140 |
sockets[i].lastdata = NULL; |
sockets[i].lastdata = NULL; |
141 |
sockets[i].lastoffset = 0; |
sockets[i].lastoffset = 0; |
142 |
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sockets[i].rcvevent = 0; |
143 |
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sockets[i].sendevent = 1; /* TCP send buf is empty */ |
144 |
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sockets[i].flags = 0; |
145 |
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sockets[i].err = 0; |
146 |
|
sys_sem_signal(socksem); |
147 |
return i; |
return i; |
148 |
} |
} |
149 |
} |
} |
150 |
|
sys_sem_signal(socksem); |
151 |
return -1; |
return -1; |
152 |
} |
} |
153 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
159 |
struct ip_addr naddr; |
struct ip_addr naddr; |
160 |
u16_t port; |
u16_t port; |
161 |
int newsock; |
int newsock; |
162 |
|
struct sockaddr_in sin; |
163 |
|
|
164 |
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DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d)...\n", s)); |
165 |
sock = get_socket(s); |
sock = get_socket(s); |
166 |
if(sock == NULL) { |
if(!sock) { |
167 |
return -1; |
return -1; |
168 |
} |
} |
169 |
|
|
172 |
/* get the IP address and port of the remote host */ |
/* get the IP address and port of the remote host */ |
173 |
netconn_peer(newconn, &naddr, &port); |
netconn_peer(newconn, &naddr, &port); |
174 |
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|
175 |
((struct sockaddr_in *)addr)->sin_addr.s_addr = naddr.addr; |
memset(&sin, 0, sizeof(sin)); |
176 |
((struct sockaddr_in *)addr)->sin_port = port; |
sin.sin_len = sizeof(sin); |
177 |
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sin.sin_family = AF_INET; |
178 |
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sin.sin_port = htons(port); |
179 |
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sin.sin_addr.s_addr = naddr.addr; |
180 |
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|
181 |
|
if(*addrlen > sizeof(sin)) |
182 |
|
*addrlen = sizeof(sin); |
183 |
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|
184 |
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memcpy(addr, &sin, *addrlen); |
185 |
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|
186 |
newsock = alloc_socket(newconn); |
newsock = alloc_socket(newconn); |
187 |
if(newsock == -1) { |
if(newsock == -1) { |
188 |
netconn_delete(newconn); |
netconn_delete(newconn); |
189 |
/* errno = ENOBUFS; */ |
sock_set_errno(sock, ENOBUFS); |
190 |
|
return -1; |
191 |
} |
} |
192 |
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newconn->callback = event_callback; |
193 |
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sock = get_socket(newsock); |
194 |
|
|
195 |
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sys_sem_wait(socksem); |
196 |
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sock->rcvevent += -1 - newconn->socket; |
197 |
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newconn->socket = newsock; |
198 |
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sys_sem_signal(socksem); |
199 |
|
|
200 |
|
#if SOCKETS_DEBUG |
201 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d) returning new sock=%d addr=", s, newsock)); |
202 |
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ip_addr_debug_print(&naddr); |
203 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%u\n", port)); |
204 |
|
#endif |
205 |
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|
206 |
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sock_set_errno(sock, 0); |
207 |
return newsock; |
return newsock; |
208 |
} |
} |
209 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
211 |
lwip_bind(int s, struct sockaddr *name, int namelen) |
lwip_bind(int s, struct sockaddr *name, int namelen) |
212 |
{ |
{ |
213 |
struct lwip_socket *sock; |
struct lwip_socket *sock; |
214 |
struct ip_addr remote_addr; |
struct ip_addr local_addr; |
215 |
u16_t remote_port; |
u16_t local_port; |
216 |
err_t err; |
err_t err; |
217 |
|
|
218 |
sock = get_socket(s); |
sock = get_socket(s); |
219 |
if(sock == NULL) { |
if(!sock) { |
220 |
return -1; |
return -1; |
221 |
} |
} |
222 |
|
|
223 |
remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr; |
local_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr; |
224 |
remote_port = ((struct sockaddr_in *)name)->sin_port; |
local_port = ((struct sockaddr_in *)name)->sin_port; |
225 |
|
|
226 |
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#if SOCKETS_DEBUG |
227 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s)); |
228 |
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ip_addr_debug_print(&local_addr); |
229 |
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DEBUGF(SOCKETS_DEBUG, (" port=%u)\n", ntohs(local_port))); |
230 |
|
#endif |
231 |
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|
232 |
err = netconn_bind(sock->conn, &remote_addr, ntohs(remote_port)); |
err = netconn_bind(sock->conn, &local_addr, ntohs(local_port)); |
233 |
|
|
234 |
if(err != ERR_OK) { |
if(err != ERR_OK) { |
235 |
/* errno = ... */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err)); |
236 |
|
sock_set_errno(sock, err_to_errno(err)); |
237 |
return -1; |
return -1; |
238 |
} |
} |
239 |
|
|
240 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s)); |
241 |
|
sock_set_errno(sock, 0); |
242 |
return 0; |
return 0; |
243 |
} |
} |
244 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
247 |
{ |
{ |
248 |
struct lwip_socket *sock; |
struct lwip_socket *sock; |
249 |
|
|
250 |
DEBUGF(SOCKETS_DEBUG, ("close: socket %d\n", s)); |
DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s)); |
251 |
|
if (!socksem) |
252 |
|
socksem = sys_sem_new(1); |
253 |
|
|
254 |
|
/* We cannot allow multiple closes of the same socket. */ |
255 |
|
sys_sem_wait(socksem); |
256 |
|
|
257 |
sock = get_socket(s); |
sock = get_socket(s); |
258 |
if(sock == NULL) { |
if(!sock) { |
259 |
return -1; |
sys_sem_signal(socksem); |
260 |
|
return -1; |
261 |
} |
} |
262 |
|
|
|
|
|
263 |
netconn_delete(sock->conn); |
netconn_delete(sock->conn); |
264 |
if(sock->lastdata != NULL) { |
if(sock->lastdata) { |
265 |
netbuf_delete(sock->lastdata); |
netbuf_delete(sock->lastdata); |
266 |
} |
} |
267 |
sock->lastdata = NULL; |
sock->lastdata = NULL; |
268 |
sock->lastoffset = 0; |
sock->lastoffset = 0; |
269 |
sock->conn = NULL; |
sock->conn = NULL; |
270 |
|
sys_sem_signal(socksem); |
271 |
|
sock_set_errno(sock, 0); |
272 |
return 0; |
return 0; |
273 |
} |
} |
274 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
276 |
lwip_connect(int s, struct sockaddr *name, int namelen) |
lwip_connect(int s, struct sockaddr *name, int namelen) |
277 |
{ |
{ |
278 |
struct lwip_socket *sock; |
struct lwip_socket *sock; |
|
struct ip_addr remote_addr; |
|
|
u16_t remote_port; |
|
279 |
err_t err; |
err_t err; |
280 |
|
|
281 |
sock = get_socket(s); |
sock = get_socket(s); |
282 |
if(sock == NULL) { |
if(!sock) { |
283 |
return -1; |
return -1; |
284 |
} |
} |
285 |
|
|
286 |
if (((struct sockaddr_in *)name)->sin_family == AF_UNSPEC) { |
if (((struct sockaddr_in *)name)->sin_family == AF_UNSPEC) { |
287 |
err = netconn_disconnect(sock->conn); |
DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s)); |
288 |
} else { |
err = netconn_disconnect(sock->conn); |
289 |
remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr; |
} else { |
290 |
remote_port = ((struct sockaddr_in *)name)->sin_port; |
struct ip_addr remote_addr; |
291 |
err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port)); |
u16_t remote_port; |
292 |
} |
|
293 |
|
remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr; |
294 |
|
remote_port = ((struct sockaddr_in *)name)->sin_port; |
295 |
|
|
296 |
|
#if SOCKETS_DEBUG |
297 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s)); |
298 |
|
ip_addr_debug_print(&remote_addr); |
299 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%u)\n", ntohs(remote_port))); |
300 |
|
#endif |
301 |
|
|
302 |
|
err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port)); |
303 |
|
} |
304 |
|
|
305 |
if(err != ERR_OK) { |
if(err != ERR_OK) { |
306 |
/* errno = ... */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err)); |
307 |
|
sock_set_errno(sock, err_to_errno(err)); |
308 |
return -1; |
return -1; |
309 |
} |
} |
310 |
|
|
311 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s)); |
312 |
|
sock_set_errno(sock, 0); |
313 |
return 0; |
return 0; |
314 |
} |
} |
315 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
319 |
struct lwip_socket *sock; |
struct lwip_socket *sock; |
320 |
err_t err; |
err_t err; |
321 |
|
|
322 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog)); |
323 |
sock = get_socket(s); |
sock = get_socket(s); |
324 |
if(sock == NULL) { |
if(!sock) { |
325 |
return -1; |
return -1; |
326 |
} |
} |
327 |
|
|
328 |
err = netconn_listen(sock->conn); |
err = netconn_listen(sock->conn); |
329 |
|
|
330 |
if(err != ERR_OK) { |
if(err != ERR_OK) { |
331 |
/* errno = ... */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err)); |
332 |
|
sock_set_errno(sock, err_to_errno(err)); |
333 |
return -1; |
return -1; |
334 |
} |
} |
335 |
|
|
336 |
|
sock_set_errno(sock, 0); |
337 |
return 0; |
return 0; |
338 |
} |
} |
339 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
348 |
u16_t port; |
u16_t port; |
349 |
|
|
350 |
|
|
351 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %d, 0x%x, ..)\n", s, mem, len, flags)); |
352 |
sock = get_socket(s); |
sock = get_socket(s); |
353 |
if(sock == NULL) { |
if(!sock) { |
354 |
return -1; |
return -1; |
355 |
} |
} |
356 |
|
|
357 |
/* Check if there is data left from the last recv operation. */ |
/* Check if there is data left from the last recv operation. */ |
358 |
if(sock->lastdata != NULL) { |
if(sock->lastdata) { |
359 |
buf = sock->lastdata; |
buf = sock->lastdata; |
360 |
} else { |
} else { |
361 |
|
/* If this is non-blocking call, then check first */ |
362 |
|
if (((flags & MSG_DONTWAIT) || (sock->flags & O_NONBLOCK)) |
363 |
|
&& !sock->rcvevent) |
364 |
|
{ |
365 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s)); |
366 |
|
sock_set_errno(sock, EWOULDBLOCK); |
367 |
|
return -1; |
368 |
|
} |
369 |
|
|
370 |
/* No data was left from the previous operation, so we try to get |
/* No data was left from the previous operation, so we try to get |
371 |
some from the network. */ |
some from the network. */ |
372 |
buf = netconn_recv(sock->conn); |
buf = netconn_recv(sock->conn); |
373 |
|
|
374 |
if(buf == NULL) { |
if(!buf) { |
375 |
/* We should really do some error checking here. */ |
/* We should really do some error checking here. */ |
376 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL!\n", s)); |
377 |
|
sock_set_errno(sock, 0); |
378 |
return 0; |
return 0; |
379 |
} |
} |
380 |
} |
} |
394 |
netbuf_copy_partial(buf, mem, copylen, sock->lastoffset); |
netbuf_copy_partial(buf, mem, copylen, sock->lastoffset); |
395 |
|
|
396 |
/* Check to see from where the data was. */ |
/* Check to see from where the data was. */ |
397 |
if(from != NULL && fromlen != NULL) { |
if(from && fromlen) { |
398 |
|
struct sockaddr_in sin; |
399 |
|
|
400 |
|
addr = netbuf_fromaddr(buf); |
401 |
|
port = netbuf_fromport(buf); |
402 |
|
|
403 |
|
memset(&sin, 0, sizeof(sin)); |
404 |
|
sin.sin_len = sizeof(sin); |
405 |
|
sin.sin_family = AF_INET; |
406 |
|
sin.sin_port = htons(port); |
407 |
|
sin.sin_addr.s_addr = addr->addr; |
408 |
|
|
409 |
|
if(*fromlen > sizeof(sin)) |
410 |
|
*fromlen = sizeof(sin); |
411 |
|
|
412 |
|
memcpy(from, &sin, *fromlen); |
413 |
|
|
414 |
|
#if SOCKETS_DEBUG |
415 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s)); |
416 |
|
ip_addr_debug_print(addr); |
417 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%u len=%u\n", port, copylen)); |
418 |
|
#endif |
419 |
|
} else { |
420 |
|
#if SOCKETS_DEBUG > 0 |
421 |
addr = netbuf_fromaddr(buf); |
addr = netbuf_fromaddr(buf); |
422 |
port = netbuf_fromport(buf); |
port = netbuf_fromport(buf); |
423 |
((struct sockaddr_in *)from)->sin_addr.s_addr = addr->addr; |
|
424 |
((struct sockaddr_in *)from)->sin_port = port; |
DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s)); |
425 |
((struct sockaddr_in *)from)->sin_family = AF_INET; |
ip_addr_debug_print(addr); |
426 |
*fromlen = sizeof(struct sockaddr_in); |
DEBUGF(SOCKETS_DEBUG, (" port=%u len=%u\n", port, copylen)); |
427 |
|
#endif |
428 |
|
|
429 |
} |
} |
430 |
|
|
431 |
/* If this is a TCP socket, check if there is data left in the |
/* If this is a TCP socket, check if there is data left in the |
441 |
} |
} |
442 |
|
|
443 |
|
|
444 |
|
sock_set_errno(sock, 0); |
445 |
return copylen; |
return copylen; |
446 |
} |
} |
447 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
448 |
int |
int |
449 |
lwip_read(int s, void *mem, int len) |
lwip_read(int s, void *mem, int len) |
450 |
{ |
{ |
451 |
return lwip_recv(s, mem, len, 0); |
return lwip_recvfrom(s, mem, len, 0, NULL, NULL); |
452 |
} |
} |
453 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
454 |
int |
int |
464 |
struct netbuf *buf; |
struct netbuf *buf; |
465 |
err_t err; |
err_t err; |
466 |
|
|
467 |
DEBUGF(SOCKETS_DEBUG, ("send: socket %d, size %d\n", s, size)); |
DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%d, flags=0x%x)\n", s, data, size, flags)); |
468 |
|
|
469 |
sock = get_socket(s); |
sock = get_socket(s); |
470 |
if(sock == NULL) { |
if(!sock) { |
471 |
return -1; |
return -1; |
472 |
} |
} |
473 |
|
|
476 |
/* create a buffer */ |
/* create a buffer */ |
477 |
buf = netbuf_new(); |
buf = netbuf_new(); |
478 |
|
|
479 |
if(buf == NULL) { |
if(!buf) { |
480 |
/* errno = ENOBUFS; */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) ENOBUFS\n", s)); |
481 |
|
sock_set_errno(sock, ENOBUFS); |
482 |
return -1; |
return -1; |
483 |
} |
} |
484 |
|
|
500 |
break; |
break; |
501 |
} |
} |
502 |
if(err != ERR_OK) { |
if(err != ERR_OK) { |
503 |
/* errno = ... */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d\n", s, err)); |
504 |
|
sock_set_errno(sock, err_to_errno(err)); |
505 |
return -1; |
return -1; |
506 |
} |
} |
507 |
|
|
508 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) ok size=%d\n", s, size)); |
509 |
|
sock_set_errno(sock, 0); |
510 |
return size; |
return size; |
511 |
} |
} |
512 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
520 |
int ret,connected; |
int ret,connected; |
521 |
|
|
522 |
sock = get_socket(s); |
sock = get_socket(s); |
523 |
if(sock == NULL) { |
if(!sock) { |
524 |
return -1; |
return -1; |
525 |
} |
} |
526 |
|
|
529 |
|
|
530 |
remote_addr.addr = ((struct sockaddr_in *)to)->sin_addr.s_addr; |
remote_addr.addr = ((struct sockaddr_in *)to)->sin_addr.s_addr; |
531 |
remote_port = ((struct sockaddr_in *)to)->sin_port; |
remote_port = ((struct sockaddr_in *)to)->sin_port; |
532 |
|
|
533 |
|
#if SOCKETS_DEBUG |
534 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_sendto(%d, data=%p, size=%d, flags=0x%x to=", s, data, size, flags)); |
535 |
|
ip_addr_debug_print(&remote_addr); |
536 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%u\n", ntohs(remote_port))); |
537 |
|
#endif |
538 |
|
|
539 |
netconn_connect(sock->conn, &remote_addr, ntohs(remote_port)); |
netconn_connect(sock->conn, &remote_addr, ntohs(remote_port)); |
540 |
|
|
541 |
ret = lwip_send(s, data, size, flags); |
ret = lwip_send(s, data, size, flags); |
542 |
|
|
543 |
/* reset the remote address and port number |
/* reset the remote address and port number |
544 |
of the connection */ |
of the connection */ |
545 |
if (connected) |
if(connected) |
546 |
netconn_connect(sock->conn, &addr, port); |
netconn_connect(sock->conn, &addr, port); |
547 |
else |
else |
548 |
netconn_disconnect(sock->conn); |
netconn_disconnect(sock->conn); |
549 |
return ret; |
return ret; |
550 |
} |
} |
551 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
558 |
/* create a netconn */ |
/* create a netconn */ |
559 |
switch(type) { |
switch(type) { |
560 |
case SOCK_DGRAM: |
case SOCK_DGRAM: |
561 |
conn = netconn_new(NETCONN_UDP); |
conn = netconn_new_with_callback(NETCONN_UDP, event_callback); |
562 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ", domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol)); |
563 |
break; |
break; |
564 |
case SOCK_STREAM: |
case SOCK_STREAM: |
565 |
conn = netconn_new(NETCONN_TCP); |
conn = netconn_new_with_callback(NETCONN_TCP, event_callback); |
566 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_STREAM, %d) = ", domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol)); |
567 |
break; |
break; |
568 |
default: |
default: |
569 |
/* errno = ... */ |
DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%d, %d/UNKNOWN, %d) = -1\n", domain, type, protocol)); |
570 |
|
set_errno(EINVAL); |
571 |
return -1; |
return -1; |
572 |
} |
} |
573 |
|
|
574 |
if(conn == NULL) { |
if(!conn) { |
575 |
DEBUGF(SOCKETS_DEBUG, ("socket: could not create netconn.\n")); |
DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create netconn)\n")); |
576 |
/* errno = ENOBUFS; */ |
set_errno(ENOBUFS); |
577 |
return -1; |
return -1; |
578 |
} |
} |
579 |
|
|
580 |
i = alloc_socket(conn); |
i = alloc_socket(conn); |
581 |
|
|
582 |
if(i == -1) { |
if(i == -1) { |
|
/* errno = ENOBUFS; */ |
|
583 |
netconn_delete(conn); |
netconn_delete(conn); |
584 |
|
set_errno(ENOBUFS); |
585 |
|
return -1; |
586 |
} |
} |
587 |
|
conn->socket = i; |
588 |
|
DEBUGF(SOCKETS_DEBUG, ("%d\n", i)); |
589 |
|
set_errno(0); |
590 |
return i; |
return i; |
591 |
} |
} |
592 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
595 |
{ |
{ |
596 |
return lwip_send(s, data, size, 0); |
return lwip_send(s, data, size, 0); |
597 |
} |
} |
598 |
|
|
599 |
|
/*-----------------------------------------------------------------------------------*/ |
600 |
|
static int |
601 |
|
lwip_selscan(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset) |
602 |
|
{ |
603 |
|
int i, nready = 0; |
604 |
|
fd_set lreadset, lwriteset, lexceptset; |
605 |
|
struct lwip_socket *p_sock; |
606 |
|
|
607 |
|
FD_ZERO(&lreadset); |
608 |
|
FD_ZERO(&lwriteset); |
609 |
|
FD_ZERO(&lexceptset); |
610 |
|
|
611 |
|
/* Go through each socket in each list to count number of sockets which |
612 |
|
currently match */ |
613 |
|
for(i = 0; i < maxfdp1; i++) |
614 |
|
{ |
615 |
|
if(FD_ISSET(i, readset)) |
616 |
|
{ |
617 |
|
/* See if netconn of this socket is ready for read */ |
618 |
|
p_sock = get_socket(i); |
619 |
|
if (p_sock && (p_sock->lastdata || p_sock->rcvevent)) |
620 |
|
{ |
621 |
|
FD_SET(i, &lreadset); |
622 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i)); |
623 |
|
nready++; |
624 |
|
} |
625 |
|
} |
626 |
|
if(FD_ISSET(i, writeset)) |
627 |
|
{ |
628 |
|
/* See if netconn of this socket is ready for write */ |
629 |
|
p_sock = get_socket(i); |
630 |
|
if (p_sock && p_sock->sendevent) |
631 |
|
{ |
632 |
|
FD_SET(i, &lwriteset); |
633 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i)); |
634 |
|
nready++; |
635 |
|
} |
636 |
|
} |
637 |
|
} |
638 |
|
*readset = lreadset; |
639 |
|
*writeset = lwriteset; |
640 |
|
FD_ZERO(exceptset); |
641 |
|
|
642 |
|
return nready; |
643 |
|
} |
644 |
|
|
645 |
|
|
646 |
|
/*-----------------------------------------------------------------------------------*/ |
647 |
|
int |
648 |
|
lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, |
649 |
|
const struct timeval *timeout) |
650 |
|
{ |
651 |
|
int i; |
652 |
|
int nready; |
653 |
|
fd_set lreadset, lwriteset, lexceptset; |
654 |
|
u32_t msectimeout; |
655 |
|
struct lwip_select_cb select_cb; |
656 |
|
struct lwip_select_cb *p_selcb; |
657 |
|
|
658 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_select(%d, %p, %p, %p, tvsec=%ld tvusec=%ld)\n", maxfdp1, (void *)readset, (void *) writeset, (void *) exceptset, timeout ? timeout->tv_sec : -1L, timeout ? timeout->tv_usec : -1L)); |
659 |
|
select_cb.next = 0; |
660 |
|
select_cb.readset = readset; |
661 |
|
select_cb.writeset = writeset; |
662 |
|
select_cb.exceptset = exceptset; |
663 |
|
select_cb.sem_signalled = 0; |
664 |
|
|
665 |
|
/* Protect ourselves searching through the list */ |
666 |
|
if (!selectsem) |
667 |
|
selectsem = sys_sem_new(1); |
668 |
|
sys_sem_wait(selectsem); |
669 |
|
|
670 |
|
if (readset) |
671 |
|
lreadset = *readset; |
672 |
|
else |
673 |
|
FD_ZERO(&lreadset); |
674 |
|
if (writeset) |
675 |
|
lwriteset = *writeset; |
676 |
|
else |
677 |
|
FD_ZERO(&lwriteset); |
678 |
|
if (exceptset) |
679 |
|
lexceptset = *exceptset; |
680 |
|
else |
681 |
|
FD_ZERO(&lexceptset); |
682 |
|
|
683 |
|
/* Go through each socket in each list to count number of sockets which |
684 |
|
currently match */ |
685 |
|
nready = lwip_selscan(maxfdp1, &lreadset, &lwriteset, &lexceptset); |
686 |
|
|
687 |
|
/* If we don't have any current events, then suspend if we are supposed to */ |
688 |
|
if (!nready) |
689 |
|
{ |
690 |
|
if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) |
691 |
|
{ |
692 |
|
sys_sem_signal(socksem); |
693 |
|
if (readset) |
694 |
|
FD_ZERO(readset); |
695 |
|
if (writeset) |
696 |
|
FD_ZERO(writeset); |
697 |
|
if (exceptset) |
698 |
|
FD_ZERO(exceptset); |
699 |
|
|
700 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n")); |
701 |
|
set_errno(0); |
702 |
|
return 0; |
703 |
|
} |
704 |
|
|
705 |
|
/* add our semaphore to list */ |
706 |
|
/* We don't actually need any dynamic memory. Our entry on the |
707 |
|
* list is only valid while we are in this function, so it's ok |
708 |
|
* to use local variables */ |
709 |
|
|
710 |
|
select_cb.sem = sys_sem_new(0); |
711 |
|
/* Note that we are still protected */ |
712 |
|
/* Put this select_cb on top of list */ |
713 |
|
select_cb.next = select_cb_list; |
714 |
|
select_cb_list = &select_cb; |
715 |
|
|
716 |
|
/* Now we can safely unprotect */ |
717 |
|
sys_sem_signal(selectsem); |
718 |
|
|
719 |
|
/* Now just wait to be woken */ |
720 |
|
if (timeout == 0) |
721 |
|
/* Wait forever */ |
722 |
|
msectimeout = 0; |
723 |
|
else |
724 |
|
msectimeout = ((timeout->tv_sec * 1000) + (timeout->tv_usec /1000)); |
725 |
|
|
726 |
|
i = sys_sem_wait_timeout(select_cb.sem, msectimeout); |
727 |
|
|
728 |
|
/* Take us off the list */ |
729 |
|
sys_sem_wait(selectsem); |
730 |
|
if (select_cb_list == &select_cb) |
731 |
|
select_cb_list = select_cb.next; |
732 |
|
else |
733 |
|
for (p_selcb = select_cb_list; p_selcb; p_selcb = p_selcb->next) |
734 |
|
if (p_selcb->next == &select_cb) |
735 |
|
{ |
736 |
|
p_selcb->next = select_cb.next; |
737 |
|
break; |
738 |
|
} |
739 |
|
|
740 |
|
sys_sem_signal(selectsem); |
741 |
|
|
742 |
|
sys_sem_free(select_cb.sem); |
743 |
|
if (i == 0) /* Timeout */ |
744 |
|
{ |
745 |
|
if (readset) |
746 |
|
FD_ZERO(readset); |
747 |
|
if (writeset) |
748 |
|
FD_ZERO(writeset); |
749 |
|
if (exceptset) |
750 |
|
FD_ZERO(exceptset); |
751 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n")); |
752 |
|
set_errno(0); |
753 |
|
return 0; |
754 |
|
} |
755 |
|
|
756 |
|
if (readset) |
757 |
|
lreadset = *readset; |
758 |
|
else |
759 |
|
FD_ZERO(&lreadset); |
760 |
|
if (writeset) |
761 |
|
lwriteset = *writeset; |
762 |
|
else |
763 |
|
FD_ZERO(&lwriteset); |
764 |
|
if (exceptset) |
765 |
|
lexceptset = *exceptset; |
766 |
|
else |
767 |
|
FD_ZERO(&lexceptset); |
768 |
|
|
769 |
|
/* See what's set */ |
770 |
|
nready = lwip_selscan(maxfdp1, &lreadset, &lwriteset, &lexceptset); |
771 |
|
} |
772 |
|
else |
773 |
|
sys_sem_signal(selectsem); |
774 |
|
|
775 |
|
if (readset) |
776 |
|
*readset = lreadset; |
777 |
|
if (writeset) |
778 |
|
*writeset = lwriteset; |
779 |
|
if (exceptset) |
780 |
|
*exceptset = lexceptset; |
781 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_select: nready=%d\n", nready)); |
782 |
|
set_errno(0); |
783 |
|
return nready; |
784 |
|
} |
785 |
|
|
786 |
/*-----------------------------------------------------------------------------------*/ |
/*-----------------------------------------------------------------------------------*/ |
787 |
|
static void |
788 |
|
event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len) |
789 |
|
{ |
790 |
|
int s; |
791 |
|
struct lwip_socket *sock; |
792 |
|
struct lwip_select_cb *scb; |
793 |
|
|
794 |
|
/* Get socket */ |
795 |
|
if (conn) |
796 |
|
{ |
797 |
|
s = conn->socket; |
798 |
|
if (s < 0) |
799 |
|
{ |
800 |
|
/* Data comes in right away after an accept, even though |
801 |
|
* the server task might not have created a new socket yet. |
802 |
|
* Just count down (or up) if that's the case and we |
803 |
|
* will use the data later. Note that only receive events |
804 |
|
* can happen before the new socket is set up. */ |
805 |
|
if (evt == NETCONN_EVT_RCVPLUS) |
806 |
|
conn->socket--; |
807 |
|
return; |
808 |
|
} |
809 |
|
|
810 |
|
sock = get_socket(s); |
811 |
|
if (!sock) |
812 |
|
return; |
813 |
|
} |
814 |
|
else |
815 |
|
return; |
816 |
|
|
817 |
|
if (!selectsem) |
818 |
|
selectsem = sys_sem_new(1); |
819 |
|
|
820 |
|
sys_sem_wait(selectsem); |
821 |
|
/* Set event as required */ |
822 |
|
switch (evt) |
823 |
|
{ |
824 |
|
case NETCONN_EVT_RCVPLUS: |
825 |
|
sock->rcvevent++; |
826 |
|
break; |
827 |
|
case NETCONN_EVT_RCVMINUS: |
828 |
|
sock->rcvevent--; |
829 |
|
break; |
830 |
|
case NETCONN_EVT_SENDPLUS: |
831 |
|
sock->sendevent = 1; |
832 |
|
break; |
833 |
|
case NETCONN_EVT_SENDMINUS: |
834 |
|
sock->sendevent = 0; |
835 |
|
break; |
836 |
|
} |
837 |
|
sys_sem_signal(selectsem); |
838 |
|
|
839 |
|
/* Now decide if anyone is waiting for this socket */ |
840 |
|
/* NOTE: This code is written this way to protect the select link list |
841 |
|
but to avoid a deadlock situation by releasing socksem before |
842 |
|
signalling for the select. This means we need to go through the list |
843 |
|
multiple times ONLY IF a select was actually waiting. We go through |
844 |
|
the list the number of waiting select calls + 1. This list is |
845 |
|
expected to be small. */ |
846 |
|
while (1) |
847 |
|
{ |
848 |
|
sys_sem_wait(selectsem); |
849 |
|
for (scb = select_cb_list; scb; scb = scb->next) |
850 |
|
{ |
851 |
|
if (scb->sem_signalled == 0) |
852 |
|
{ |
853 |
|
/* Test this select call for our socket */ |
854 |
|
if (scb->readset && FD_ISSET(s, scb->readset)) |
855 |
|
if (sock->rcvevent) |
856 |
|
break; |
857 |
|
if (scb->writeset && FD_ISSET(s, scb->writeset)) |
858 |
|
if (sock->sendevent) |
859 |
|
break; |
860 |
|
} |
861 |
|
} |
862 |
|
if (scb) |
863 |
|
{ |
864 |
|
scb->sem_signalled = 1; |
865 |
|
sys_sem_signal(selectsem); |
866 |
|
sys_sem_signal(scb->sem); |
867 |
|
} else { |
868 |
|
sys_sem_signal(selectsem); |
869 |
|
break; |
870 |
|
} |
871 |
|
} |
872 |
|
|
873 |
|
} |
874 |
|
|
875 |
|
/*-----------------------------------------------------------------------------------*/ |
876 |
|
|
877 |
|
|
878 |
|
int lwip_shutdown(int s, int how) |
879 |
|
{ |
880 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_shutdown(%d, how=%d)\n", s, how)); |
881 |
|
return lwip_close(s); /* XXX temporary hack until proper implementation */ |
882 |
|
} |
883 |
|
|
884 |
|
int lwip_getpeername (int s, struct sockaddr *name, int *namelen) |
885 |
|
{ |
886 |
|
struct lwip_socket *sock; |
887 |
|
struct sockaddr_in sin; |
888 |
|
struct ip_addr naddr; |
889 |
|
|
890 |
|
sock = get_socket(s); |
891 |
|
if(!sock) { |
892 |
|
return -1; |
893 |
|
} |
894 |
|
|
895 |
|
memset(&sin, 0, sizeof(sin)); |
896 |
|
sin.sin_len = sizeof(sin); |
897 |
|
sin.sin_family = AF_INET; |
898 |
|
|
899 |
|
/* get the IP address and port of the remote host */ |
900 |
|
netconn_peer(sock->conn, &naddr, &sin.sin_port); |
901 |
|
|
902 |
|
#if SOCKETS_DEBUG |
903 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_getpeername(%d, addr=", s)); |
904 |
|
ip_addr_debug_print(&naddr); |
905 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%d)\n", sin.sin_port)); |
906 |
|
#endif |
907 |
|
|
908 |
|
sin.sin_port = htons(sin.sin_port); |
909 |
|
sin.sin_addr.s_addr = naddr.addr; |
910 |
|
|
911 |
|
if(*namelen > sizeof(sin)) |
912 |
|
*namelen = sizeof(sin); |
913 |
|
|
914 |
|
memcpy(name, &sin, *namelen); |
915 |
|
sock_set_errno(sock, 0); |
916 |
|
return 0; |
917 |
|
} |
918 |
|
|
919 |
|
int lwip_getsockname (int s, struct sockaddr *name, int *namelen) |
920 |
|
{ |
921 |
|
struct lwip_socket *sock; |
922 |
|
struct sockaddr_in sin; |
923 |
|
struct ip_addr *naddr; |
924 |
|
|
925 |
|
sock = get_socket(s); |
926 |
|
if(!sock) { |
927 |
|
return -1; |
928 |
|
} |
929 |
|
|
930 |
|
memset(&sin, 0, sizeof(sin)); |
931 |
|
sin.sin_len = sizeof(sin); |
932 |
|
sin.sin_family = AF_INET; |
933 |
|
|
934 |
|
/* get the IP address and port of the remote host */ |
935 |
|
netconn_addr(sock->conn, &naddr, &sin.sin_port); |
936 |
|
|
937 |
|
#if SOCKETS_DEBUG |
938 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_getsockname(%d, addr=", s)); |
939 |
|
ip_addr_debug_print(naddr); |
940 |
|
DEBUGF(SOCKETS_DEBUG, (" port=%d)\n", sin.sin_port)); |
941 |
|
#endif |
942 |
|
|
943 |
|
sin.sin_port = htons(sin.sin_port); |
944 |
|
sin.sin_addr.s_addr = naddr->addr; |
945 |
|
|
946 |
|
if(*namelen > sizeof(sin)) |
947 |
|
*namelen = sizeof(sin); |
948 |
|
|
949 |
|
memcpy(name, &sin, *namelen); |
950 |
|
sock_set_errno(sock, 0); |
951 |
|
return 0; |
952 |
|
} |
953 |
|
|
954 |
|
int lwip_getsockopt (int s, int level, int optname, char *optval, int *optlen) |
955 |
|
{ |
956 |
|
int err = ENOSYS; |
957 |
|
struct lwip_socket *sock = get_socket(s); |
958 |
|
|
959 |
|
if(!sock) { |
960 |
|
return -1; |
961 |
|
} |
962 |
|
|
963 |
|
if(level == SOL_SOCKET) { |
964 |
|
switch(optname) { |
965 |
|
case SO_ERROR: |
966 |
|
if(!optval || !optlen || (*optlen != sizeof(int))) { |
967 |
|
err = EINVAL; |
968 |
|
break; |
969 |
|
} |
970 |
|
*(int *)optval = sock->err; |
971 |
|
sock->err = 0; |
972 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n", s, *(int *)optval)); |
973 |
|
err = 0; |
974 |
|
break; |
975 |
|
default: |
976 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n", s, optname)); |
977 |
|
break; |
978 |
|
} |
979 |
|
} else { |
980 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n", s, level, optname)); |
981 |
|
} |
982 |
|
sock_set_errno(sock, err); |
983 |
|
return err ? -1 : 0; |
984 |
|
} |
985 |
|
|
986 |
|
int lwip_setsockopt (int s, int level, int optname, const char *optval, int optlen) |
987 |
|
{ |
988 |
|
struct lwip_socket *sock = get_socket(s); |
989 |
|
int err = ENOSYS; |
990 |
|
|
991 |
|
if(!sock) { |
992 |
|
return -1; |
993 |
|
} |
994 |
|
|
995 |
|
if(level == SOL_SOCKET) { |
996 |
|
switch(optname) { |
997 |
|
case SO_REUSEADDR: |
998 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, SO_REUSEADDR, ..)\n", s)); |
999 |
|
/* XXX just pretend we support this for now */ |
1000 |
|
err = 0; |
1001 |
|
break; |
1002 |
|
default: |
1003 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n", s, optname)); |
1004 |
|
break; |
1005 |
|
} |
1006 |
|
} else { |
1007 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n", s, level, optname)); |
1008 |
|
} |
1009 |
|
|
1010 |
|
sock_set_errno(sock, err); |
1011 |
|
return err ? -1 : 0; |
1012 |
|
} |
1013 |
|
|
1014 |
|
int lwip_ioctl(int s, long cmd, void *argp) |
1015 |
|
{ |
1016 |
|
struct lwip_socket *sock = get_socket(s); |
1017 |
|
|
1018 |
|
if(!sock) { |
1019 |
|
return -1; |
1020 |
|
} |
1021 |
|
|
1022 |
|
switch(cmd) { |
1023 |
|
case FIONREAD: |
1024 |
|
if(!argp) { |
1025 |
|
sock_set_errno(sock, EINVAL); |
1026 |
|
return -1; |
1027 |
|
} |
1028 |
|
|
1029 |
|
*((u16_t*)argp) = sock->conn->recv_avail; |
1030 |
|
|
1031 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONREAD, %p) = %u\n", s, argp, *((u16_t*)argp))); |
1032 |
|
sock_set_errno(sock, 0); |
1033 |
|
return 0; |
1034 |
|
|
1035 |
|
case FIONBIO: |
1036 |
|
if(argp && *(u32_t*)argp) |
1037 |
|
sock->flags |= O_NONBLOCK; |
1038 |
|
else |
1039 |
|
sock->flags &= ~O_NONBLOCK; |
1040 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONBIO, %d)\n", s, !!(sock->flags & O_NONBLOCK))); |
1041 |
|
sock_set_errno(sock, 0); |
1042 |
|
return 0; |
1043 |
|
|
1044 |
|
default: |
1045 |
|
DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n", s, cmd, argp)); |
1046 |
|
sock_set_errno(sock, ENOSYS); /* not yet implemented */ |
1047 |
|
return -1; |
1048 |
|
} |
1049 |
|
} |
1050 |
|
|