J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * - Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * - Neither the name of Sun Microsystems nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <windows.h> |
| 33 | #include <io.h> |
| 34 | #include <sys/types.h> |
| 35 | #include <sys/stat.h> |
| 36 | #include <mmsystem.h> |
| 37 | #include <winsock2.h> |
| 38 | #include <fcntl.h> |
| 39 | #include <process.h> |
| 40 | |
| 41 | #include "jni.h" |
| 42 | #include "hprof.h" |
| 43 | |
| 44 | int |
| 45 | md_getpid(void) |
| 46 | { |
| 47 | static int pid = -1; |
| 48 | |
| 49 | if ( pid >= 0 ) { |
| 50 | return pid; |
| 51 | } |
| 52 | pid = getpid(); |
| 53 | return pid; |
| 54 | } |
| 55 | |
| 56 | void |
| 57 | md_sleep(unsigned seconds) |
| 58 | { |
| 59 | Sleep((DWORD)seconds*1000); |
| 60 | } |
| 61 | |
| 62 | void |
| 63 | md_init(void) |
| 64 | { |
| 65 | } |
| 66 | |
| 67 | int |
| 68 | md_connect(char *hostname, unsigned short port) |
| 69 | { |
| 70 | struct hostent *hentry; |
| 71 | struct sockaddr_in s; |
| 72 | int fd; |
| 73 | |
| 74 | /* create a socket */ |
| 75 | fd = (int)socket(AF_INET, SOCK_STREAM, 0); |
| 76 | |
| 77 | /* find remote host's addr from name */ |
| 78 | if ((hentry = gethostbyname(hostname)) == NULL) { |
| 79 | return -1; |
| 80 | } |
| 81 | (void)memset((char *)&s, 0, sizeof(s)); |
| 82 | /* set remote host's addr; its already in network byte order */ |
| 83 | (void)memcpy(&s.sin_addr.s_addr, *(hentry->h_addr_list), |
| 84 | (int)sizeof(s.sin_addr.s_addr)); |
| 85 | /* set remote host's port */ |
| 86 | s.sin_port = htons(port); |
| 87 | s.sin_family = AF_INET; |
| 88 | |
| 89 | /* now try connecting */ |
| 90 | if (-1 == connect(fd, (struct sockaddr*)&s, sizeof(s))) { |
| 91 | return 0; |
| 92 | } |
| 93 | return fd; |
| 94 | } |
| 95 | |
| 96 | int |
| 97 | md_recv(int f, char *buf, int len, int option) |
| 98 | { |
| 99 | return recv(f, buf, len, option); |
| 100 | } |
| 101 | |
| 102 | int |
| 103 | md_shutdown(int filedes, int option) |
| 104 | { |
| 105 | return shutdown(filedes, option); |
| 106 | } |
| 107 | |
| 108 | int |
| 109 | md_open(const char *filename) |
| 110 | { |
| 111 | return open(filename, O_RDONLY); |
| 112 | } |
| 113 | |
| 114 | int |
| 115 | md_open_binary(const char *filename) |
| 116 | { |
| 117 | return open(filename, O_RDONLY|O_BINARY); |
| 118 | } |
| 119 | |
| 120 | int |
| 121 | md_creat(const char *filename) |
| 122 | { |
| 123 | return open(filename, O_CREAT | O_WRONLY | O_TRUNC, |
| 124 | _S_IREAD | _S_IWRITE); |
| 125 | } |
| 126 | |
| 127 | int |
| 128 | md_creat_binary(const char *filename) |
| 129 | { |
| 130 | return open(filename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, |
| 131 | _S_IREAD | _S_IWRITE); |
| 132 | } |
| 133 | |
| 134 | jlong |
| 135 | md_seek(int filedes, jlong pos) |
| 136 | { |
| 137 | jlong new_pos; |
| 138 | |
| 139 | if ( pos == (jlong)-1 ) { |
| 140 | new_pos = _lseeki64(filedes, 0L, SEEK_END); |
| 141 | } else { |
| 142 | new_pos = _lseeki64(filedes, pos, SEEK_SET); |
| 143 | } |
| 144 | return new_pos; |
| 145 | } |
| 146 | |
| 147 | void |
| 148 | md_close(int filedes) |
| 149 | { |
| 150 | (void)close(filedes); |
| 151 | } |
| 152 | |
| 153 | int |
| 154 | md_send(int s, const char *msg, int len, int flags) |
| 155 | { |
| 156 | return send(s, msg, len, flags); |
| 157 | } |
| 158 | |
| 159 | int |
| 160 | md_read(int filedes, void *buf, int nbyte) |
| 161 | { |
| 162 | return read(filedes, buf, nbyte); |
| 163 | } |
| 164 | |
| 165 | int |
| 166 | md_write(int filedes, const void *buf, int nbyte) |
| 167 | { |
| 168 | return write(filedes, buf, nbyte); |
| 169 | } |
| 170 | |
| 171 | jlong |
| 172 | md_get_microsecs(void) |
| 173 | { |
| 174 | return (jlong)(timeGetTime())*(jlong)1000; |
| 175 | } |
| 176 | |
| 177 | #define FT2JLONG(ft) \ |
| 178 | ((jlong)(ft).dwHighDateTime << 32 | (jlong)(ft).dwLowDateTime) |
| 179 | |
| 180 | jlong |
| 181 | md_get_timemillis(void) |
| 182 | { |
| 183 | static jlong fileTime_1_1_70 = 0; |
| 184 | SYSTEMTIME st0; |
| 185 | FILETIME ft0; |
| 186 | |
| 187 | if (fileTime_1_1_70 == 0) { |
| 188 | /* Initialize fileTime_1_1_70 -- the Win32 file time of midnight |
| 189 | * 1/1/70. |
| 190 | */ |
| 191 | |
| 192 | memset(&st0, 0, sizeof(st0)); |
| 193 | st0.wYear = 1970; |
| 194 | st0.wMonth = 1; |
| 195 | st0.wDay = 1; |
| 196 | SystemTimeToFileTime(&st0, &ft0); |
| 197 | fileTime_1_1_70 = FT2JLONG(ft0); |
| 198 | } |
| 199 | |
| 200 | GetSystemTime(&st0); |
| 201 | SystemTimeToFileTime(&st0, &ft0); |
| 202 | |
| 203 | return (FT2JLONG(ft0) - fileTime_1_1_70) / 10000; |
| 204 | } |
| 205 | |
| 206 | jlong |
| 207 | md_get_thread_cpu_timemillis(void) |
| 208 | { |
| 209 | return md_get_timemillis(); |
| 210 | } |
| 211 | |
| 212 | HINSTANCE hJavaInst; |
| 213 | static int nError = 0; |
| 214 | |
| 215 | BOOL WINAPI |
| 216 | DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved) |
| 217 | { |
| 218 | WSADATA wsaData; |
| 219 | switch (reason) { |
| 220 | case DLL_PROCESS_ATTACH: |
| 221 | hJavaInst = hinst; |
| 222 | nError = WSAStartup(MAKEWORD(2,0), &wsaData); |
| 223 | break; |
| 224 | case DLL_PROCESS_DETACH: |
| 225 | WSACleanup(); |
| 226 | hJavaInst = NULL; |
| 227 | default: |
| 228 | break; |
| 229 | } |
| 230 | return TRUE; |
| 231 | } |
| 232 | |
| 233 | void |
| 234 | md_get_prelude_path(char *path, int path_len, char *filename) |
| 235 | { |
| 236 | char libdir[FILENAME_MAX+1]; |
| 237 | char *lastSlash; |
| 238 | |
| 239 | GetModuleFileName(hJavaInst, libdir, FILENAME_MAX); |
| 240 | |
| 241 | /* This is actually in the bin directory, so move above bin for lib */ |
| 242 | lastSlash = strrchr(libdir, '\\'); |
| 243 | if ( lastSlash != NULL ) { |
| 244 | *lastSlash = '\0'; |
| 245 | } |
| 246 | lastSlash = strrchr(libdir, '\\'); |
| 247 | if ( lastSlash != NULL ) { |
| 248 | *lastSlash = '\0'; |
| 249 | } |
| 250 | (void)md_snprintf(path, path_len, "%s\\lib\\%s", libdir, filename); |
| 251 | } |
| 252 | |
| 253 | int |
| 254 | md_vsnprintf(char *s, int n, const char *format, va_list ap) |
| 255 | { |
| 256 | return _vsnprintf(s, n, format, ap); |
| 257 | } |
| 258 | |
| 259 | int |
| 260 | md_snprintf(char *s, int n, const char *format, ...) |
| 261 | { |
| 262 | int ret; |
| 263 | va_list ap; |
| 264 | |
| 265 | va_start(ap, format); |
| 266 | ret = md_vsnprintf(s, n, format, ap); |
| 267 | va_end(ap); |
| 268 | return ret; |
| 269 | } |
| 270 | |
| 271 | void |
| 272 | md_system_error(char *buf, int len) |
| 273 | { |
| 274 | long errval; |
| 275 | |
| 276 | errval = GetLastError(); |
| 277 | buf[0] = '\0'; |
| 278 | if (errval != 0) { |
| 279 | int n; |
| 280 | |
| 281 | n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS, |
| 282 | NULL, errval, |
| 283 | 0, buf, len, NULL); |
| 284 | if (n > 3) { |
| 285 | /* Drop final '.', CR, LF */ |
| 286 | if (buf[n - 1] == '\n') n--; |
| 287 | if (buf[n - 1] == '\r') n--; |
| 288 | if (buf[n - 1] == '.') n--; |
| 289 | buf[n] = '\0'; |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | unsigned |
| 295 | md_htons(unsigned short s) |
| 296 | { |
| 297 | return htons(s); |
| 298 | } |
| 299 | |
| 300 | unsigned |
| 301 | md_htonl(unsigned l) |
| 302 | { |
| 303 | return htonl(l); |
| 304 | } |
| 305 | |
| 306 | unsigned |
| 307 | md_ntohs(unsigned short s) |
| 308 | { |
| 309 | return ntohs(s); |
| 310 | } |
| 311 | |
| 312 | unsigned |
| 313 | md_ntohl(unsigned l) |
| 314 | { |
| 315 | return ntohl(l); |
| 316 | } |
| 317 | |
| 318 | static int |
| 319 | get_last_error_string(char *buf, int len) |
| 320 | { |
| 321 | long errval; |
| 322 | |
| 323 | errval = GetLastError(); |
| 324 | if (errval != 0) { |
| 325 | /* DOS error */ |
| 326 | int n; |
| 327 | |
| 328 | n = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS, |
| 329 | NULL, errval, |
| 330 | 0, buf, len, NULL); |
| 331 | if (n > 3) { |
| 332 | /* Drop final '.', CR, LF */ |
| 333 | if (buf[n - 1] == '\n') n--; |
| 334 | if (buf[n - 1] == '\r') n--; |
| 335 | if (buf[n - 1] == '.') n--; |
| 336 | buf[n] = '\0'; |
| 337 | } |
| 338 | return n; |
| 339 | } |
| 340 | |
| 341 | if (errno != 0) { |
| 342 | /* C runtime error that has no corresponding DOS error code */ |
| 343 | const char *s; |
| 344 | int n; |
| 345 | |
| 346 | s = strerror(errno); |
| 347 | n = (int)strlen(s); |
| 348 | if (n >= len) { |
| 349 | n = len - 1; |
| 350 | } |
| 351 | (void)strncpy(buf, s, n); |
| 352 | buf[n] = '\0'; |
| 353 | return n; |
| 354 | } |
| 355 | |
| 356 | return 0; |
| 357 | } |
| 358 | |
| 359 | /* Build a machine dependent library name out of a path and file name. */ |
| 360 | void |
| 361 | md_build_library_name(char *holder, int holderlen, char *pname, char *fname) |
| 362 | { |
| 363 | int pnamelen; |
| 364 | char c; |
| 365 | |
| 366 | pnamelen = pname ? (int)strlen(pname) : 0; |
| 367 | c = (pnamelen > 0) ? pname[pnamelen-1] : 0; |
| 368 | |
| 369 | /* Quietly truncates on buffer overflow. Should be an error. */ |
| 370 | if (pnamelen + strlen(fname) + 10 > (unsigned int)holderlen) { |
| 371 | *holder = '\0'; |
| 372 | return; |
| 373 | } |
| 374 | |
| 375 | if (pnamelen == 0) { |
| 376 | sprintf(holder, "%s.dll", fname); |
| 377 | } else if (c == ':' || c == '\\') { |
| 378 | sprintf(holder, "%s%s.dll", pname, fname); |
| 379 | } else { |
| 380 | sprintf(holder, "%s\\%s.dll", pname, fname); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | void * |
| 385 | md_load_library(const char * name, char *err_buf, int err_buflen) |
| 386 | { |
| 387 | void *result; |
| 388 | |
| 389 | result = LoadLibrary(name); |
| 390 | if (result == NULL) { |
| 391 | /* Error message is pretty lame, try to make a better guess. */ |
| 392 | long errcode; |
| 393 | |
| 394 | errcode = GetLastError(); |
| 395 | if (errcode == ERROR_MOD_NOT_FOUND) { |
| 396 | strncpy(err_buf, "Can't find dependent libraries", err_buflen-2); |
| 397 | err_buf[err_buflen-1] = '\0'; |
| 398 | } else { |
| 399 | get_last_error_string(err_buf, err_buflen); |
| 400 | } |
| 401 | } |
| 402 | return result; |
| 403 | } |
| 404 | |
| 405 | void |
| 406 | md_unload_library(void *handle) |
| 407 | { |
| 408 | FreeLibrary(handle); |
| 409 | } |
| 410 | |
| 411 | void * |
| 412 | md_find_library_entry(void *handle, const char *name) |
| 413 | { |
| 414 | return GetProcAddress(handle, name); |
| 415 | } |