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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.6 by root, Thu Sep 14 22:34:06 2006 UTC vs.
Revision 1.10 by root, Wed Dec 13 18:51:50 2006 UTC

… …
72 } 72 }
73 } 73 }
74 74
75 int val; 75 int val;
76 76
77 val = 0;
78 setsockopt (ns->fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val)); 77 val = 0; setsockopt (ns->fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val));
79 val = 1;
80 setsockopt (ns->fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val)); 78 val = 1; setsockopt (ns->fd, IPPROTO_TCP, TCP_CORK, &val, sizeof (val));
81#endif 79#endif
82} 80}
83 81
84/*********************************************************************** 82/***********************************************************************
85 * 83 *
86 * SockList functions/utilities 84 * SockList functions/utilities
87 * 85 *
88 **********************************************************************/ 86 **********************************************************************/
89 87
90void 88SockList &SockList::operator <<(const data8 &v)
91SockList_Init (SockList * sl)
92{ 89{
93 sl->len = 0; 90 *this << uint8 (v.len);
94 sl->buf = NULL;
95}
96 91
97void 92 memcpy (buf + len, v.data, v.len);
98SockList_AddInt (SockList * sl, uint32 data) 93 len += v.len;
99{
100 sl->buf[sl->len++] = (data >> 24) & 0xff;
101 sl->buf[sl->len++] = (data >> 16) & 0xff;
102 sl->buf[sl->len++] = (data >> 8) & 0xff;
103 sl->buf[sl->len++] = data & 0xff;
104}
105 94
106void 95 return *this;
107SockList_AddInt64 (SockList * sl, uint64 data) 96}
108{
109 sl->buf[sl->len++] = (char) ((data >> 56) & 0xff);
110 sl->buf[sl->len++] = (char) ((data >> 48) & 0xff);
111 sl->buf[sl->len++] = (char) ((data >> 40) & 0xff);
112 sl->buf[sl->len++] = (char) ((data >> 32) & 0xff);
113 97
114 sl->buf[sl->len++] = (char) ((data >> 24) & 0xff); 98SockList &SockList::operator <<(const data16 &v)
115 sl->buf[sl->len++] = (char) ((data >> 16) & 0xff); 99{
116 sl->buf[sl->len++] = (char) ((data >> 8) & 0xff); 100 *this << uint16 (v.len);
117 sl->buf[sl->len++] = (char) (data & 0xff); 101
102 memcpy (buf + len, v.data, v.len);
103 len += v.len;
104
105 return *this;
106}
107
108SockList &SockList::operator <<(const char *v)
109{
110 if (v)
111 {
112 int l = strlen (v);
113 memcpy (buf + len, v, l);
114 len += l;
115 }
116
117 return *this;
118} 118}
119 119
120/* Basically does the reverse of SockList_AddInt, but on 120/* Basically does the reverse of SockList_AddInt, but on
121 * strings instead. Same for the GetShort, but for 16 bits. 121 * strings instead. Same for the GetShort, but for 16 bits.
122 */ 122 */
… …
157 abort (); 157 abort ();
158 } 158 }
159 /* We already have a partial packet */ 159 /* We already have a partial packet */
160 if (sl->len < 2) 160 if (sl->len < 2)
161 { 161 {
162#ifdef WIN32 /* ***WIN32 SockList_ReadPacket: change read() to recv() */
163
164 stat = recv (fd, sl->buf + sl->len, 2 - sl->len, 0);
165
166#else
167 do 162 do
168 { 163 {
169 stat = read (fd, sl->buf + sl->len, 2 - sl->len); 164 stat = read (fd, sl->buf + sl->len, 2 - sl->len);
170 } 165 }
171 while ((stat == -1) && (errno == EINTR)); 166 while ((stat == -1) && (errno == EINTR));
172#endif 167
173 if (stat < 0) 168 if (stat < 0)
174 { 169 {
175 /* In non blocking mode, EAGAIN is set when there is no 170 /* In non blocking mode, EAGAIN is set when there is no
176 * data available. 171 * data available.
177 */ 172 */
178#ifdef WIN32 /* ***WIN32 SockList_ReadPacket: error handling for win32 */
179 if ((stat == -1) && WSAGetLastError () != WSAEWOULDBLOCK)
180 {
181 if (WSAGetLastError () == WSAECONNRESET)
182 LOG (llevDebug, "Connection closed by client\n");
183 else
184 {
185 LOG (llevDebug, "ReadPacket got error %d, returning 0\n", WSAGetLastError ());
186 }
187 return -1; /* kick this user! */
188 }
189#else
190 if (errno != EAGAIN && errno != EWOULDBLOCK) 173 if (errno != EAGAIN && errno != EWOULDBLOCK)
191 { 174 {
192 LOG (llevDebug, "ReadPacket got error %s, returning 0\n", strerror (errno)); 175 LOG (llevDebug, "ReadPacket got error %s, returning 0\n", strerror (errno));
193 } 176 }
194#endif
195 return 0; /*Error */ 177 return 0; /*Error */
196 } 178 }
197 if (stat == 0) 179 if (stat == 0)
198 return -1; 180 return -1;
199 sl->len += stat; 181 sl->len += stat;
… …
213 LOG (llevError, "SockList_ReadPacket: Want to read more bytes than will fit in buffer (%d>=%d).\n", toread + sl->len, len); 195 LOG (llevError, "SockList_ReadPacket: Want to read more bytes than will fit in buffer (%d>=%d).\n", toread + sl->len, len);
214 /* Quick hack in case for 'oldsocketmode' input. If we are 196 /* Quick hack in case for 'oldsocketmode' input. If we are
215 * closing the socket anyways, then reading this extra 100 bytes 197 * closing the socket anyways, then reading this extra 100 bytes
216 * shouldn't hurt. 198 * shouldn't hurt.
217 */ 199 */
218#ifdef WIN32 /* ***win32 SockList_ReadPacket: change read() to recv() */
219 recv (fd, sl->buf + 2, 100, 0);
220#else
221 read (fd, sl->buf + 2, 100); 200 read (fd, sl->buf + 2, 100);
222#endif /* end win32 */
223 201
224 /* return error so the socket is closed */ 202 /* return error so the socket is closed */
225 return -1; 203 return -1;
226 } 204 }
227 do 205 do
228 { 206 {
229#ifdef WIN32 /* ***win32 SockList_ReadPacket: change read() to recv() */
230 stat = recv (fd, sl->buf + sl->len, toread, 0);
231#else
232 do 207 do
233 { 208 {
234 stat = read (fd, sl->buf + sl->len, toread); 209 stat = read (fd, sl->buf + sl->len, toread);
235 } 210 }
236 while ((stat < 0) && (errno == EINTR)); 211 while ((stat < 0) && (errno == EINTR));
237#endif
238 if (stat < 0) 212 if (stat < 0)
239 { 213 {
240 214
241#ifdef WIN32 /* ***win32 SockList_ReadPacket: change error handling for win32 */
242 if ((stat == -1) && WSAGetLastError () != WSAEWOULDBLOCK)
243 {
244 if (WSAGetLastError () == WSAECONNRESET)
245 LOG (llevDebug, "Connection closed by client\n");
246 else
247 {
248 LOG (llevDebug, "ReadPacket got error %d, returning 0\n", WSAGetLastError ());
249 }
250 return -1; /* kick this user! */
251 }
252#else
253 if (errno != EAGAIN && errno != EWOULDBLOCK) 215 if (errno != EAGAIN && errno != EWOULDBLOCK)
254 { 216 {
255 LOG (llevDebug, "ReadPacket got error %s, returning 0\n", strerror (errno)); 217 LOG (llevDebug, "ReadPacket got error %s, returning 0\n", strerror (errno));
256 } 218 }
257#endif
258 return 0; /*Error */ 219 return 0; /*Error */
259 } 220 }
260 if (stat == 0) 221 if (stat == 0)
261 return -1; 222 return -1;
262 sl->len += stat; 223 sl->len += stat;
… …
308 269
309 end = ns->outputbuffer.start + ns->outputbuffer.len; 270 end = ns->outputbuffer.start + ns->outputbuffer.len;
310 /* The buffer is already in a wrapped state, so adjust end */ 271 /* The buffer is already in a wrapped state, so adjust end */
311 if (end >= SOCKETBUFSIZE) 272 if (end >= SOCKETBUFSIZE)
312 end -= SOCKETBUFSIZE; 273 end -= SOCKETBUFSIZE;
274
313 avail = SOCKETBUFSIZE - end; 275 avail = SOCKETBUFSIZE - end;
314 276
315 /* We can all fit it behind the current data without wrapping */ 277 /* We can all fit it behind the current data without wrapping */
316 if (avail >= len) 278 if (avail >= len)
317 {
318 memcpy (ns->outputbuffer.data + end, buf, len); 279 memcpy (ns->outputbuffer.data + end, buf, len);
319 }
320 else 280 else
321 { 281 {
322 memcpy (ns->outputbuffer.data + end, buf, avail); 282 memcpy (ns->outputbuffer.data + end, buf, avail);
323 memcpy (ns->outputbuffer.data, buf + avail, len - avail); 283 memcpy (ns->outputbuffer.data, buf + avail, len - avail);
324 } 284 }
285
325 ns->outputbuffer.len += len; 286 ns->outputbuffer.len += len;
326#if 0 287#if 0
327 LOG (llevDebug, "Added %d to output buffer, total length now %d, start=%d\n", len, ns->outputbuffer.len, ns->outputbuffer.start); 288 LOG (llevDebug, "Added %d to output buffer, total length now %d, start=%d\n", len, ns->outputbuffer.len, ns->outputbuffer.start);
328#endif 289#endif
329} 290}
… …
349 { 310 {
350 max = SOCKETBUFSIZE - ns->outputbuffer.start; 311 max = SOCKETBUFSIZE - ns->outputbuffer.start;
351 if (ns->outputbuffer.len < max) 312 if (ns->outputbuffer.len < max)
352 max = ns->outputbuffer.len; 313 max = ns->outputbuffer.len;
353 314
354#ifdef WIN32 /* ***win32 write_socket_buffer: change write() to send() */
355 amt = send (ns->fd, ns->outputbuffer.data + ns->outputbuffer.start, max, 0);
356#else
357 do 315 do
358 { 316 {
359 amt = write (ns->fd, ns->outputbuffer.data + ns->outputbuffer.start, max); 317 amt = write (ns->fd, ns->outputbuffer.data + ns->outputbuffer.start, max);
360 } 318 }
361 while ((amt < 0) && (errno == EINTR)); 319 while ((amt < 0) && (errno == EINTR));
362#endif
363 320
364 if (amt < 0) 321 if (amt < 0)
365 { /* We got an error */ 322 { /* We got an error */
366 323
367#ifdef WIN32 /* ***win32 write_socket_buffer: change error handling */
368 if (amt == -1 && WSAGetLastError () != WSAEWOULDBLOCK)
369 {
370 LOG (llevError, "New socket write failed (wsb) (%d).\n", WSAGetLastError ());
371#else
372 if (errno != EWOULDBLOCK) 324 if (errno != EWOULDBLOCK)
373 { 325 {
374 LOG (llevError, "New socket write failed (wsb) (%d: %s).\n", errno, strerror (errno)); 326 LOG (llevError, "New socket write failed (wsb) (%d: %s).\n", errno, strerror (errno));
375#endif
376 ns->status = Ns_Dead; 327 ns->status = Ns_Dead;
377 return; 328 return;
378 } 329 }
379 else 330 else
380 { /* EWOULDBLOCK */ 331 { /* EWOULDBLOCK */
… …
424#endif 375#endif
425 /* If we manage to write more than we wanted, take it as a bonus */ 376 /* If we manage to write more than we wanted, take it as a bonus */
426 while (len > 0) 377 while (len > 0)
427 { 378 {
428 379
429#ifdef WIN32 /* ***win32 Write_To_Socket: change write() to send() */
430 amt = send (ns->fd, pos, len, 0);
431#else
432 do 380 do
433 { 381 {
434 amt = write (ns->fd, pos, len); 382 amt = write (ns->fd, pos, len);
435 } 383 }
436 while ((amt < 0) && (errno == EINTR)); 384 while ((amt < 0) && (errno == EINTR));
437#endif
438 385
439 if (amt < 0) 386 if (amt < 0)
440 { /* We got an error */ 387 { /* We got an error */
441#ifdef WIN32 /* ***win32 Write_To_Socket: change error handling */
442 if (amt == -1 && WSAGetLastError () != WSAEWOULDBLOCK)
443 {
444 LOG (llevError, "New socket write failed WTS (%d).\n", WSAGetLastError ());
445#else
446 if (errno != EWOULDBLOCK) 388 if (errno != EWOULDBLOCK)
447 { 389 {
448 LOG (llevError, "New socket write failed WTS (%d: %s).\n", /* ---WIN32 */ 390 LOG (llevError, "New socket write failed WTS (%d: %s).\n", /* ---WIN32 */
449 errno, strerror (errno)); 391 errno, strerror (errno));
450#endif
451 ns->status = Ns_Dead; 392 ns->status = Ns_Dead;
452 return; 393 return;
453 } 394 }
454 else 395 else
455 { /* EWOULDBLOCK */ 396 { /* EWOULDBLOCK */
… …
568 cst_lst.obytes = 0; 509 cst_lst.obytes = 0;
569 cst_lst.max_conn = socket_info.nconns; 510 cst_lst.max_conn = socket_info.nconns;
570 cst_lst.time_start = now; 511 cst_lst.time_start = now;
571} 512}
572#endif 513#endif
514

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