J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <stdlib.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/socket.h> |
| 29 | #include <netinet/in.h> |
| 30 | #include <arpa/inet.h> |
| 31 | #include <unistd.h> |
| 32 | #include <fcntl.h> |
| 33 | #include <errno.h> |
| 34 | #include <string.h> |
| 35 | #include <sys/time.h> |
| 36 | #ifdef __solaris__ |
| 37 | #include <thread.h> |
| 38 | #endif |
| 39 | #ifdef __linux__ |
| 40 | #include <pthread.h> |
| 41 | #include <sys/poll.h> |
| 42 | #endif |
| 43 | |
| 44 | #include "socket_md.h" |
| 45 | #include "sysSocket.h" |
| 46 | |
| 47 | int |
| 48 | dbgsysListen(int fd, INT32 count) { |
| 49 | return listen(fd, count); |
| 50 | } |
| 51 | |
| 52 | int |
| 53 | dbgsysConnect(int fd, struct sockaddr *name, int namelen) { |
| 54 | int rv = connect(fd, name, namelen); |
| 55 | if (rv < 0 && errno == EINPROGRESS) { |
| 56 | return DBG_EINPROGRESS; |
| 57 | } else { |
| 58 | return rv; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | int |
| 63 | dbgsysFinishConnect(int fd, long timeout) { |
| 64 | int rv = dbgsysPoll(fd, 0, 1, timeout); |
| 65 | if (rv == 0) { |
| 66 | return DBG_ETIMEOUT; |
| 67 | } |
| 68 | if (rv > 0) { |
| 69 | return 0; |
| 70 | } |
| 71 | return rv; |
| 72 | } |
| 73 | |
| 74 | int |
| 75 | dbgsysAccept(int fd, struct sockaddr *name, int *namelen) { |
| 76 | int rv; |
| 77 | for (;;) { |
| 78 | rv = accept(fd, name, namelen); |
| 79 | if (rv >= 0) { |
| 80 | return rv; |
| 81 | } |
| 82 | if (errno != ECONNABORTED) { |
| 83 | return rv; |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | int |
| 89 | dbgsysRecvFrom(int fd, char *buf, int nBytes, |
| 90 | int flags, struct sockaddr *from, int *fromlen) { |
| 91 | return recvfrom(fd, buf, nBytes, flags, from, fromlen); |
| 92 | } |
| 93 | |
| 94 | int |
| 95 | dbgsysSendTo(int fd, char *buf, int len, |
| 96 | int flags, struct sockaddr *to, int tolen) { |
| 97 | return sendto(fd, buf, len, flags, to, tolen); |
| 98 | } |
| 99 | |
| 100 | int |
| 101 | dbgsysRecv(int fd, char *buf, int nBytes, int flags) { |
| 102 | return recv(fd, buf, nBytes, flags); |
| 103 | } |
| 104 | |
| 105 | int |
| 106 | dbgsysSend(int fd, char *buf, int nBytes, int flags) { |
| 107 | return send(fd, buf, nBytes, flags); |
| 108 | } |
| 109 | |
| 110 | struct hostent * |
| 111 | dbgsysGetHostByName(char *hostname) { |
| 112 | return gethostbyname(hostname); |
| 113 | } |
| 114 | |
| 115 | unsigned short |
| 116 | dbgsysHostToNetworkShort(unsigned short hostshort) { |
| 117 | return htons(hostshort); |
| 118 | } |
| 119 | |
| 120 | int |
| 121 | dbgsysSocket(int domain, int type, int protocol) { |
| 122 | return socket(domain, type, protocol); |
| 123 | } |
| 124 | |
| 125 | int dbgsysSocketClose(int fd) { |
| 126 | return close(fd); |
| 127 | } |
| 128 | |
| 129 | int |
| 130 | dbgsysBind(int fd, struct sockaddr *name, int namelen) { |
| 131 | return bind(fd, name, namelen); |
| 132 | } |
| 133 | |
| 134 | UINT32 |
| 135 | dbgsysInetAddr(const char* cp) { |
| 136 | return (UINT32)inet_addr(cp); |
| 137 | } |
| 138 | |
| 139 | UINT32 |
| 140 | dbgsysHostToNetworkLong(UINT32 hostlong) { |
| 141 | return htonl(hostlong); |
| 142 | } |
| 143 | |
| 144 | unsigned short |
| 145 | dbgsysNetworkToHostShort(unsigned short netshort) { |
| 146 | return ntohs(netshort); |
| 147 | } |
| 148 | |
| 149 | int |
| 150 | dbgsysGetSocketName(int fd, struct sockaddr *name, int *namelen) { |
| 151 | return getsockname(fd, name, namelen); |
| 152 | } |
| 153 | |
| 154 | UINT32 |
| 155 | dbgsysNetworkToHostLong(UINT32 netlong) { |
| 156 | return ntohl(netlong); |
| 157 | } |
| 158 | |
| 159 | |
| 160 | int |
| 161 | dbgsysSetSocketOption(int fd, jint cmd, jboolean on, jvalue value) |
| 162 | { |
| 163 | if (cmd == TCP_NODELAY) { |
| 164 | struct protoent *proto = getprotobyname("TCP"); |
| 165 | int tcp_level = (proto == 0 ? IPPROTO_TCP: proto->p_proto); |
| 166 | INT32 onl = (INT32)on; |
| 167 | |
| 168 | if (setsockopt(fd, tcp_level, TCP_NODELAY, |
| 169 | (char *)&onl, sizeof(INT32)) < 0) { |
| 170 | return SYS_ERR; |
| 171 | } |
| 172 | } else if (cmd == SO_LINGER) { |
| 173 | struct linger arg; |
| 174 | arg.l_onoff = on; |
| 175 | |
| 176 | if(on) { |
| 177 | arg.l_linger = (unsigned short)value.i; |
| 178 | if(setsockopt(fd, SOL_SOCKET, SO_LINGER, |
| 179 | (char*)&arg, sizeof(arg)) < 0) { |
| 180 | return SYS_ERR; |
| 181 | } |
| 182 | } else { |
| 183 | if (setsockopt(fd, SOL_SOCKET, SO_LINGER, |
| 184 | (char*)&arg, sizeof(arg)) < 0) { |
| 185 | return SYS_ERR; |
| 186 | } |
| 187 | } |
| 188 | } else if (cmd == SO_SNDBUF) { |
| 189 | jint buflen = value.i; |
| 190 | if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, |
| 191 | (char *)&buflen, sizeof(buflen)) < 0) { |
| 192 | return SYS_ERR; |
| 193 | } |
| 194 | } else if (cmd == SO_REUSEADDR) { |
| 195 | int oni = (int)on; |
| 196 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
| 197 | (char *)&oni, sizeof(oni)) < 0) { |
| 198 | return SYS_ERR; |
| 199 | |
| 200 | } |
| 201 | } else { |
| 202 | return SYS_ERR; |
| 203 | } |
| 204 | return SYS_OK; |
| 205 | } |
| 206 | |
| 207 | int |
| 208 | dbgsysConfigureBlocking(int fd, jboolean blocking) { |
| 209 | int flags = fcntl(fd, F_GETFL); |
| 210 | |
| 211 | if ((blocking == JNI_FALSE) && !(flags & O_NONBLOCK)) { |
| 212 | return fcntl(fd, F_SETFL, flags | O_NONBLOCK); |
| 213 | } |
| 214 | if ((blocking == JNI_TRUE) && (flags & O_NONBLOCK)) { |
| 215 | return fcntl(fd, F_SETFL, flags & ~O_NONBLOCK); |
| 216 | } |
| 217 | return 0; |
| 218 | } |
| 219 | |
| 220 | int |
| 221 | dbgsysPoll(int fd, jboolean rd, jboolean wr, long timeout) { |
| 222 | struct pollfd fds[1]; |
| 223 | int rv; |
| 224 | |
| 225 | fds[0].fd = fd; |
| 226 | fds[0].events = 0; |
| 227 | if (rd) { |
| 228 | fds[0].events |= POLLIN; |
| 229 | } |
| 230 | if (wr) { |
| 231 | fds[0].events |= POLLOUT; |
| 232 | } |
| 233 | fds[0].revents = 0; |
| 234 | |
| 235 | rv = poll(&fds[0], 1, timeout); |
| 236 | if (rv >= 0) { |
| 237 | rv = 0; |
| 238 | if (fds[0].revents & POLLIN) { |
| 239 | rv |= DBG_POLLIN; |
| 240 | } |
| 241 | if (fds[0].revents & POLLOUT) { |
| 242 | rv |= DBG_POLLOUT; |
| 243 | } |
| 244 | } |
| 245 | return rv; |
| 246 | } |
| 247 | |
| 248 | int |
| 249 | dbgsysGetLastIOError(char *buf, jint size) { |
| 250 | char *msg = strerror(errno); |
| 251 | strncpy(buf, msg, size-1); |
| 252 | buf[size-1] = '\0'; |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | #ifdef __solaris__ |
| 257 | int |
| 258 | dbgsysTlsAlloc() { |
| 259 | thread_key_t tk; |
| 260 | if (thr_keycreate(&tk, NULL)) { |
| 261 | perror("thr_keycreate"); |
| 262 | exit(-1); |
| 263 | } |
| 264 | return (int)tk; |
| 265 | } |
| 266 | |
| 267 | void |
| 268 | dbgsysTlsFree(int index) { |
| 269 | /* no-op */ |
| 270 | } |
| 271 | |
| 272 | void |
| 273 | dbgsysTlsPut(int index, void *value) { |
| 274 | thr_setspecific((thread_key_t)index, value) ; |
| 275 | } |
| 276 | |
| 277 | void * |
| 278 | dbgsysTlsGet(int index) { |
| 279 | void* r = NULL; |
| 280 | thr_getspecific((thread_key_t)index, &r); |
| 281 | return r; |
| 282 | } |
| 283 | |
| 284 | #endif |
| 285 | |
| 286 | #ifdef __linux__ |
| 287 | int |
| 288 | dbgsysTlsAlloc() { |
| 289 | pthread_key_t key; |
| 290 | if (pthread_key_create(&key, NULL)) { |
| 291 | perror("pthread_key_create"); |
| 292 | exit(-1); |
| 293 | } |
| 294 | return (int)key; |
| 295 | } |
| 296 | |
| 297 | void |
| 298 | dbgsysTlsFree(int index) { |
| 299 | pthread_key_delete((pthread_key_t)index); |
| 300 | } |
| 301 | |
| 302 | void |
| 303 | dbgsysTlsPut(int index, void *value) { |
| 304 | pthread_setspecific((pthread_key_t)index, value) ; |
| 305 | } |
| 306 | |
| 307 | void * |
| 308 | dbgsysTlsGet(int index) { |
| 309 | return pthread_getspecific((pthread_key_t)index); |
| 310 | } |
| 311 | |
| 312 | #endif |
| 313 | |
| 314 | long |
| 315 | dbgsysCurrentTimeMillis() { |
| 316 | struct timeval t; |
| 317 | gettimeofday(&t, 0); |
| 318 | return ((jlong)t.tv_sec) * 1000 + (jlong)(t.tv_usec/1000); |
| 319 | } |