Wed, 09 Oct 2013 10:57:01 +0200
8003420: NPG: make new GC root for pd_set
Summary: Move protection domain oops from system dictionary entries into a seperate set; the system dictionary references entries in that set now. This allows fast iteration during non-classunloading garbage collection. Implementation based on initial prototype from Ioi Lam (iklam).
Reviewed-by: coleenp, iklam
duke@435 | 1 | /* |
hseigel@4465 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "compiler/compileLog.hpp" |
stefank@2314 | 27 | #include "oops/oop.inline.hpp" |
stefank@2314 | 28 | #include "runtime/arguments.hpp" |
stefank@2314 | 29 | #include "utilities/defaultStream.hpp" |
stefank@2314 | 30 | #include "utilities/ostream.hpp" |
stefank@2314 | 31 | #include "utilities/top.hpp" |
stefank@2314 | 32 | #include "utilities/xmlstream.hpp" |
stefank@2314 | 33 | #ifdef TARGET_OS_FAMILY_linux |
stefank@2314 | 34 | # include "os_linux.inline.hpp" |
stefank@2314 | 35 | #endif |
stefank@2314 | 36 | #ifdef TARGET_OS_FAMILY_solaris |
stefank@2314 | 37 | # include "os_solaris.inline.hpp" |
stefank@2314 | 38 | #endif |
stefank@2314 | 39 | #ifdef TARGET_OS_FAMILY_windows |
stefank@2314 | 40 | # include "os_windows.inline.hpp" |
stefank@2314 | 41 | #endif |
never@3156 | 42 | #ifdef TARGET_OS_FAMILY_bsd |
never@3156 | 43 | # include "os_bsd.inline.hpp" |
never@3156 | 44 | #endif |
duke@435 | 45 | |
duke@435 | 46 | extern "C" void jio_print(const char* s); // Declarationtion of jvm method |
duke@435 | 47 | |
duke@435 | 48 | outputStream::outputStream(int width) { |
duke@435 | 49 | _width = width; |
duke@435 | 50 | _position = 0; |
duke@435 | 51 | _newlines = 0; |
duke@435 | 52 | _precount = 0; |
duke@435 | 53 | _indentation = 0; |
duke@435 | 54 | } |
duke@435 | 55 | |
duke@435 | 56 | outputStream::outputStream(int width, bool has_time_stamps) { |
duke@435 | 57 | _width = width; |
duke@435 | 58 | _position = 0; |
duke@435 | 59 | _newlines = 0; |
duke@435 | 60 | _precount = 0; |
duke@435 | 61 | _indentation = 0; |
duke@435 | 62 | if (has_time_stamps) _stamp.update(); |
duke@435 | 63 | } |
duke@435 | 64 | |
duke@435 | 65 | void outputStream::update_position(const char* s, size_t len) { |
duke@435 | 66 | for (size_t i = 0; i < len; i++) { |
duke@435 | 67 | char ch = s[i]; |
duke@435 | 68 | if (ch == '\n') { |
duke@435 | 69 | _newlines += 1; |
duke@435 | 70 | _precount += _position + 1; |
duke@435 | 71 | _position = 0; |
duke@435 | 72 | } else if (ch == '\t') { |
jrose@535 | 73 | int tw = 8 - (_position & 7); |
jrose@535 | 74 | _position += tw; |
jrose@535 | 75 | _precount -= tw-1; // invariant: _precount + _position == total count |
duke@435 | 76 | } else { |
duke@435 | 77 | _position += 1; |
duke@435 | 78 | } |
duke@435 | 79 | } |
duke@435 | 80 | } |
duke@435 | 81 | |
duke@435 | 82 | // Execute a vsprintf, using the given buffer if necessary. |
duke@435 | 83 | // Return a pointer to the formatted string. |
duke@435 | 84 | const char* outputStream::do_vsnprintf(char* buffer, size_t buflen, |
duke@435 | 85 | const char* format, va_list ap, |
duke@435 | 86 | bool add_cr, |
duke@435 | 87 | size_t& result_len) { |
duke@435 | 88 | const char* result; |
duke@435 | 89 | if (add_cr) buflen--; |
duke@435 | 90 | if (!strchr(format, '%')) { |
duke@435 | 91 | // constant format string |
duke@435 | 92 | result = format; |
duke@435 | 93 | result_len = strlen(result); |
duke@435 | 94 | if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate |
duke@435 | 95 | } else if (format[0] == '%' && format[1] == 's' && format[2] == '\0') { |
duke@435 | 96 | // trivial copy-through format string |
duke@435 | 97 | result = va_arg(ap, const char*); |
duke@435 | 98 | result_len = strlen(result); |
duke@435 | 99 | if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate |
duke@435 | 100 | } else if (vsnprintf(buffer, buflen, format, ap) >= 0) { |
duke@435 | 101 | result = buffer; |
duke@435 | 102 | result_len = strlen(result); |
duke@435 | 103 | } else { |
duke@435 | 104 | DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");) |
duke@435 | 105 | result = buffer; |
duke@435 | 106 | result_len = buflen - 1; |
duke@435 | 107 | buffer[result_len] = 0; |
duke@435 | 108 | } |
duke@435 | 109 | if (add_cr) { |
duke@435 | 110 | if (result != buffer) { |
duke@435 | 111 | strncpy(buffer, result, buflen); |
duke@435 | 112 | result = buffer; |
duke@435 | 113 | } |
duke@435 | 114 | buffer[result_len++] = '\n'; |
duke@435 | 115 | buffer[result_len] = 0; |
duke@435 | 116 | } |
duke@435 | 117 | return result; |
duke@435 | 118 | } |
duke@435 | 119 | |
duke@435 | 120 | void outputStream::print(const char* format, ...) { |
duke@435 | 121 | char buffer[O_BUFLEN]; |
duke@435 | 122 | va_list ap; |
duke@435 | 123 | va_start(ap, format); |
duke@435 | 124 | size_t len; |
duke@435 | 125 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, false, len); |
duke@435 | 126 | write(str, len); |
duke@435 | 127 | va_end(ap); |
duke@435 | 128 | } |
duke@435 | 129 | |
duke@435 | 130 | void outputStream::print_cr(const char* format, ...) { |
duke@435 | 131 | char buffer[O_BUFLEN]; |
duke@435 | 132 | va_list ap; |
duke@435 | 133 | va_start(ap, format); |
duke@435 | 134 | size_t len; |
duke@435 | 135 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, true, len); |
duke@435 | 136 | write(str, len); |
duke@435 | 137 | va_end(ap); |
duke@435 | 138 | } |
duke@435 | 139 | |
duke@435 | 140 | void outputStream::vprint(const char *format, va_list argptr) { |
duke@435 | 141 | char buffer[O_BUFLEN]; |
duke@435 | 142 | size_t len; |
duke@435 | 143 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, false, len); |
duke@435 | 144 | write(str, len); |
duke@435 | 145 | } |
duke@435 | 146 | |
duke@435 | 147 | void outputStream::vprint_cr(const char* format, va_list argptr) { |
duke@435 | 148 | char buffer[O_BUFLEN]; |
duke@435 | 149 | size_t len; |
duke@435 | 150 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, true, len); |
duke@435 | 151 | write(str, len); |
duke@435 | 152 | } |
duke@435 | 153 | |
duke@435 | 154 | void outputStream::fill_to(int col) { |
jrose@535 | 155 | int need_fill = col - position(); |
jrose@535 | 156 | sp(need_fill); |
jrose@535 | 157 | } |
jrose@535 | 158 | |
jrose@535 | 159 | void outputStream::move_to(int col, int slop, int min_space) { |
jrose@535 | 160 | if (position() >= col + slop) |
jrose@535 | 161 | cr(); |
jrose@535 | 162 | int need_fill = col - position(); |
jrose@535 | 163 | if (need_fill < min_space) |
jrose@535 | 164 | need_fill = min_space; |
jrose@535 | 165 | sp(need_fill); |
duke@435 | 166 | } |
duke@435 | 167 | |
duke@435 | 168 | void outputStream::put(char ch) { |
duke@435 | 169 | assert(ch != 0, "please fix call site"); |
duke@435 | 170 | char buf[] = { ch, '\0' }; |
duke@435 | 171 | write(buf, 1); |
duke@435 | 172 | } |
duke@435 | 173 | |
jrose@535 | 174 | #define SP_USE_TABS false |
jrose@535 | 175 | |
jrose@535 | 176 | void outputStream::sp(int count) { |
jrose@535 | 177 | if (count < 0) return; |
jrose@535 | 178 | if (SP_USE_TABS && count >= 8) { |
jrose@535 | 179 | int target = position() + count; |
jrose@535 | 180 | while (count >= 8) { |
jrose@535 | 181 | this->write("\t", 1); |
jrose@535 | 182 | count -= 8; |
jrose@535 | 183 | } |
jrose@535 | 184 | count = target - position(); |
jrose@535 | 185 | } |
jrose@535 | 186 | while (count > 0) { |
jrose@535 | 187 | int nw = (count > 8) ? 8 : count; |
jrose@535 | 188 | this->write(" ", nw); |
jrose@535 | 189 | count -= nw; |
jrose@535 | 190 | } |
duke@435 | 191 | } |
duke@435 | 192 | |
duke@435 | 193 | void outputStream::cr() { |
duke@435 | 194 | this->write("\n", 1); |
duke@435 | 195 | } |
duke@435 | 196 | |
duke@435 | 197 | void outputStream::stamp() { |
duke@435 | 198 | if (! _stamp.is_updated()) { |
duke@435 | 199 | _stamp.update(); // start at 0 on first call to stamp() |
duke@435 | 200 | } |
duke@435 | 201 | |
duke@435 | 202 | // outputStream::stamp() may get called by ostream_abort(), use snprintf |
duke@435 | 203 | // to avoid allocating large stack buffer in print(). |
duke@435 | 204 | char buf[40]; |
duke@435 | 205 | jio_snprintf(buf, sizeof(buf), "%.3f", _stamp.seconds()); |
duke@435 | 206 | print_raw(buf); |
duke@435 | 207 | } |
duke@435 | 208 | |
ysr@777 | 209 | void outputStream::stamp(bool guard, |
ysr@777 | 210 | const char* prefix, |
ysr@777 | 211 | const char* suffix) { |
ysr@777 | 212 | if (!guard) { |
ysr@777 | 213 | return; |
ysr@777 | 214 | } |
ysr@777 | 215 | print_raw(prefix); |
ysr@777 | 216 | stamp(); |
ysr@777 | 217 | print_raw(suffix); |
ysr@777 | 218 | } |
ysr@777 | 219 | |
duke@435 | 220 | void outputStream::date_stamp(bool guard, |
duke@435 | 221 | const char* prefix, |
duke@435 | 222 | const char* suffix) { |
duke@435 | 223 | if (!guard) { |
duke@435 | 224 | return; |
duke@435 | 225 | } |
duke@435 | 226 | print_raw(prefix); |
duke@435 | 227 | static const char error_time[] = "yyyy-mm-ddThh:mm:ss.mmm+zzzz"; |
duke@435 | 228 | static const int buffer_length = 32; |
duke@435 | 229 | char buffer[buffer_length]; |
duke@435 | 230 | const char* iso8601_result = os::iso8601_time(buffer, buffer_length); |
duke@435 | 231 | if (iso8601_result != NULL) { |
duke@435 | 232 | print_raw(buffer); |
duke@435 | 233 | } else { |
duke@435 | 234 | print_raw(error_time); |
duke@435 | 235 | } |
duke@435 | 236 | print_raw(suffix); |
duke@435 | 237 | return; |
duke@435 | 238 | } |
duke@435 | 239 | |
kamg@3992 | 240 | outputStream& outputStream::indent() { |
duke@435 | 241 | while (_position < _indentation) sp(); |
kamg@3992 | 242 | return *this; |
duke@435 | 243 | } |
duke@435 | 244 | |
duke@435 | 245 | void outputStream::print_jlong(jlong value) { |
hseigel@4465 | 246 | print(JLONG_FORMAT, value); |
duke@435 | 247 | } |
duke@435 | 248 | |
duke@435 | 249 | void outputStream::print_julong(julong value) { |
hseigel@4465 | 250 | print(JULONG_FORMAT, value); |
duke@435 | 251 | } |
duke@435 | 252 | |
kamg@3992 | 253 | /** |
kamg@3992 | 254 | * This prints out hex data in a 'windbg' or 'xxd' form, where each line is: |
kamg@3992 | 255 | * <hex-address>: 8 * <hex-halfword> <ascii translation (optional)> |
kamg@3992 | 256 | * example: |
kamg@3992 | 257 | * 0000000: 7f44 4f46 0102 0102 0000 0000 0000 0000 .DOF............ |
kamg@3992 | 258 | * 0000010: 0000 0000 0000 0040 0000 0020 0000 0005 .......@... .... |
kamg@3992 | 259 | * 0000020: 0000 0000 0000 0040 0000 0000 0000 015d .......@.......] |
kamg@3992 | 260 | * ... |
kamg@3992 | 261 | * |
kamg@3992 | 262 | * indent is applied to each line. Ends with a CR. |
kamg@3992 | 263 | */ |
kamg@3992 | 264 | void outputStream::print_data(void* data, size_t len, bool with_ascii) { |
kamg@3992 | 265 | size_t limit = (len + 16) / 16 * 16; |
kamg@3992 | 266 | for (size_t i = 0; i < limit; ++i) { |
kamg@3992 | 267 | if (i % 16 == 0) { |
kamg@3992 | 268 | indent().print("%07x:", i); |
kamg@3992 | 269 | } |
kamg@3992 | 270 | if (i % 2 == 0) { |
kamg@3992 | 271 | print(" "); |
kamg@3992 | 272 | } |
kamg@3992 | 273 | if (i < len) { |
kamg@3992 | 274 | print("%02x", ((unsigned char*)data)[i]); |
kamg@3992 | 275 | } else { |
kamg@3992 | 276 | print(" "); |
kamg@3992 | 277 | } |
kamg@3992 | 278 | if ((i + 1) % 16 == 0) { |
kamg@3992 | 279 | if (with_ascii) { |
kamg@3992 | 280 | print(" "); |
kamg@3992 | 281 | for (size_t j = 0; j < 16; ++j) { |
kamg@3992 | 282 | size_t idx = i + j - 15; |
kamg@3992 | 283 | if (idx < len) { |
kamg@3992 | 284 | char c = ((char*)data)[idx]; |
kamg@3992 | 285 | print("%c", c >= 32 && c <= 126 ? c : '.'); |
kamg@3992 | 286 | } |
kamg@3992 | 287 | } |
kamg@3992 | 288 | } |
kamg@3992 | 289 | print_cr(""); |
kamg@3992 | 290 | } |
kamg@3992 | 291 | } |
kamg@3992 | 292 | } |
kamg@3992 | 293 | |
duke@435 | 294 | stringStream::stringStream(size_t initial_size) : outputStream() { |
duke@435 | 295 | buffer_length = initial_size; |
duke@435 | 296 | buffer = NEW_RESOURCE_ARRAY(char, buffer_length); |
duke@435 | 297 | buffer_pos = 0; |
duke@435 | 298 | buffer_fixed = false; |
fparain@5409 | 299 | DEBUG_ONLY(rm = Thread::current()->current_resource_mark();) |
duke@435 | 300 | } |
duke@435 | 301 | |
duke@435 | 302 | // useful for output to fixed chunks of memory, such as performance counters |
duke@435 | 303 | stringStream::stringStream(char* fixed_buffer, size_t fixed_buffer_size) : outputStream() { |
duke@435 | 304 | buffer_length = fixed_buffer_size; |
duke@435 | 305 | buffer = fixed_buffer; |
duke@435 | 306 | buffer_pos = 0; |
duke@435 | 307 | buffer_fixed = true; |
duke@435 | 308 | } |
duke@435 | 309 | |
duke@435 | 310 | void stringStream::write(const char* s, size_t len) { |
duke@435 | 311 | size_t write_len = len; // number of non-null bytes to write |
duke@435 | 312 | size_t end = buffer_pos + len + 1; // position after write and final '\0' |
duke@435 | 313 | if (end > buffer_length) { |
duke@435 | 314 | if (buffer_fixed) { |
duke@435 | 315 | // if buffer cannot resize, silently truncate |
duke@435 | 316 | end = buffer_length; |
duke@435 | 317 | write_len = end - buffer_pos - 1; // leave room for the final '\0' |
duke@435 | 318 | } else { |
duke@435 | 319 | // For small overruns, double the buffer. For larger ones, |
duke@435 | 320 | // increase to the requested size. |
duke@435 | 321 | if (end < buffer_length * 2) { |
duke@435 | 322 | end = buffer_length * 2; |
duke@435 | 323 | } |
duke@435 | 324 | char* oldbuf = buffer; |
fparain@5409 | 325 | assert(rm == NULL || Thread::current()->current_resource_mark() == rm, |
fparain@5409 | 326 | "stringStream is re-allocated with a different ResourceMark"); |
duke@435 | 327 | buffer = NEW_RESOURCE_ARRAY(char, end); |
duke@435 | 328 | strncpy(buffer, oldbuf, buffer_pos); |
duke@435 | 329 | buffer_length = end; |
duke@435 | 330 | } |
duke@435 | 331 | } |
duke@435 | 332 | // invariant: buffer is always null-terminated |
duke@435 | 333 | guarantee(buffer_pos + write_len + 1 <= buffer_length, "stringStream oob"); |
duke@435 | 334 | buffer[buffer_pos + write_len] = 0; |
duke@435 | 335 | strncpy(buffer + buffer_pos, s, write_len); |
duke@435 | 336 | buffer_pos += write_len; |
duke@435 | 337 | |
duke@435 | 338 | // Note that the following does not depend on write_len. |
duke@435 | 339 | // This means that position and count get updated |
duke@435 | 340 | // even when overflow occurs. |
duke@435 | 341 | update_position(s, len); |
duke@435 | 342 | } |
duke@435 | 343 | |
duke@435 | 344 | char* stringStream::as_string() { |
minqi@5683 | 345 | char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos + 1); |
duke@435 | 346 | strncpy(copy, buffer, buffer_pos); |
duke@435 | 347 | copy[buffer_pos] = 0; // terminating null |
duke@435 | 348 | return copy; |
duke@435 | 349 | } |
duke@435 | 350 | |
duke@435 | 351 | stringStream::~stringStream() {} |
duke@435 | 352 | |
duke@435 | 353 | xmlStream* xtty; |
duke@435 | 354 | outputStream* tty; |
duke@435 | 355 | outputStream* gclog_or_tty; |
duke@435 | 356 | extern Mutex* tty_lock; |
duke@435 | 357 | |
minqi@5683 | 358 | #define EXTRACHARLEN 32 |
minqi@5683 | 359 | #define CURRENTAPPX ".current" |
minqi@5683 | 360 | #define FILENAMEBUFLEN 1024 |
minqi@5683 | 361 | // convert YYYY-MM-DD HH:MM:SS to YYYY-MM-DD_HH-MM-SS |
minqi@5683 | 362 | char* get_datetime_string(char *buf, size_t len) { |
minqi@5683 | 363 | os::local_time_string(buf, len); |
minqi@5683 | 364 | int i = (int)strlen(buf); |
minqi@5683 | 365 | while (i-- >= 0) { |
minqi@5683 | 366 | if (buf[i] == ' ') buf[i] = '_'; |
minqi@5683 | 367 | else if (buf[i] == ':') buf[i] = '-'; |
minqi@5683 | 368 | } |
minqi@5683 | 369 | return buf; |
minqi@5683 | 370 | } |
minqi@5683 | 371 | |
minqi@5683 | 372 | static const char* make_log_name_internal(const char* log_name, const char* force_directory, |
minqi@5683 | 373 | int pid, const char* tms) { |
minqi@5683 | 374 | const char* basename = log_name; |
minqi@5683 | 375 | char file_sep = os::file_separator()[0]; |
minqi@5683 | 376 | const char* cp; |
minqi@5683 | 377 | char pid_text[32]; |
minqi@5683 | 378 | |
minqi@5683 | 379 | for (cp = log_name; *cp != '\0'; cp++) { |
minqi@5683 | 380 | if (*cp == '/' || *cp == file_sep) { |
minqi@5683 | 381 | basename = cp + 1; |
minqi@5683 | 382 | } |
minqi@5683 | 383 | } |
minqi@5683 | 384 | const char* nametail = log_name; |
minqi@5683 | 385 | // Compute buffer length |
minqi@5683 | 386 | size_t buffer_length; |
minqi@5683 | 387 | if (force_directory != NULL) { |
minqi@5683 | 388 | buffer_length = strlen(force_directory) + strlen(os::file_separator()) + |
minqi@5683 | 389 | strlen(basename) + 1; |
minqi@5683 | 390 | } else { |
minqi@5683 | 391 | buffer_length = strlen(log_name) + 1; |
minqi@5683 | 392 | } |
minqi@5683 | 393 | |
minqi@5683 | 394 | // const char* star = strchr(basename, '*'); |
minqi@5683 | 395 | const char* pts = strstr(basename, "%p"); |
minqi@5683 | 396 | int pid_pos = (pts == NULL) ? -1 : (pts - nametail); |
minqi@5683 | 397 | |
minqi@5683 | 398 | if (pid_pos >= 0) { |
minqi@5683 | 399 | jio_snprintf(pid_text, sizeof(pid_text), "pid%u", pid); |
minqi@5683 | 400 | buffer_length += strlen(pid_text); |
minqi@5683 | 401 | } |
minqi@5683 | 402 | |
minqi@5683 | 403 | pts = strstr(basename, "%t"); |
minqi@5683 | 404 | int tms_pos = (pts == NULL) ? -1 : (pts - nametail); |
minqi@5683 | 405 | if (tms_pos >= 0) { |
minqi@5683 | 406 | buffer_length += strlen(tms); |
minqi@5683 | 407 | } |
minqi@5683 | 408 | |
minqi@5683 | 409 | // Create big enough buffer. |
minqi@5683 | 410 | char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
minqi@5683 | 411 | |
minqi@5683 | 412 | strcpy(buf, ""); |
minqi@5683 | 413 | if (force_directory != NULL) { |
minqi@5683 | 414 | strcat(buf, force_directory); |
minqi@5683 | 415 | strcat(buf, os::file_separator()); |
minqi@5683 | 416 | nametail = basename; // completely skip directory prefix |
minqi@5683 | 417 | } |
minqi@5683 | 418 | |
minqi@5683 | 419 | // who is first, %p or %t? |
minqi@5683 | 420 | int first = -1, second = -1; |
minqi@5683 | 421 | const char *p1st = NULL; |
minqi@5683 | 422 | const char *p2nd = NULL; |
minqi@5683 | 423 | |
minqi@5683 | 424 | if (pid_pos >= 0 && tms_pos >= 0) { |
minqi@5683 | 425 | // contains both %p and %t |
minqi@5683 | 426 | if (pid_pos < tms_pos) { |
minqi@5683 | 427 | // case foo%pbar%tmonkey.log |
minqi@5683 | 428 | first = pid_pos; |
minqi@5683 | 429 | p1st = pid_text; |
minqi@5683 | 430 | second = tms_pos; |
minqi@5683 | 431 | p2nd = tms; |
minqi@5683 | 432 | } else { |
minqi@5683 | 433 | // case foo%tbar%pmonkey.log |
minqi@5683 | 434 | first = tms_pos; |
minqi@5683 | 435 | p1st = tms; |
minqi@5683 | 436 | second = pid_pos; |
minqi@5683 | 437 | p2nd = pid_text; |
minqi@5683 | 438 | } |
minqi@5683 | 439 | } else if (pid_pos >= 0) { |
minqi@5683 | 440 | // contains %p only |
minqi@5683 | 441 | first = pid_pos; |
minqi@5683 | 442 | p1st = pid_text; |
minqi@5683 | 443 | } else if (tms_pos >= 0) { |
minqi@5683 | 444 | // contains %t only |
minqi@5683 | 445 | first = tms_pos; |
minqi@5683 | 446 | p1st = tms; |
minqi@5683 | 447 | } |
minqi@5683 | 448 | |
minqi@5683 | 449 | int buf_pos = (int)strlen(buf); |
minqi@5683 | 450 | const char* tail = nametail; |
minqi@5683 | 451 | |
minqi@5683 | 452 | if (first >= 0) { |
minqi@5683 | 453 | tail = nametail + first + 2; |
minqi@5683 | 454 | strncpy(&buf[buf_pos], nametail, first); |
minqi@5683 | 455 | strcpy(&buf[buf_pos + first], p1st); |
minqi@5683 | 456 | buf_pos = (int)strlen(buf); |
minqi@5683 | 457 | if (second >= 0) { |
minqi@5683 | 458 | strncpy(&buf[buf_pos], tail, second - first - 2); |
minqi@5683 | 459 | strcpy(&buf[buf_pos + second - first - 2], p2nd); |
minqi@5683 | 460 | tail = nametail + second + 2; |
minqi@5683 | 461 | } |
minqi@5683 | 462 | } |
minqi@5683 | 463 | strcat(buf, tail); // append rest of name, or all of name |
minqi@5683 | 464 | return buf; |
minqi@5683 | 465 | } |
minqi@5683 | 466 | |
minqi@5683 | 467 | // log_name comes from -XX:LogFile=log_name or -Xloggc:log_name |
minqi@5683 | 468 | // in log_name, %p => pipd1234 and |
minqi@5683 | 469 | // %t => YYYY-MM-DD_HH-MM-SS |
minqi@5683 | 470 | static const char* make_log_name(const char* log_name, const char* force_directory) { |
minqi@5683 | 471 | char timestr[32]; |
minqi@5683 | 472 | get_datetime_string(timestr, sizeof(timestr)); |
minqi@5683 | 473 | return make_log_name_internal(log_name, force_directory, os::current_process_id(), |
minqi@5683 | 474 | timestr); |
minqi@5683 | 475 | } |
minqi@5683 | 476 | |
minqi@5683 | 477 | #ifndef PRODUCT |
minqi@5683 | 478 | void test_loggc_filename() { |
minqi@5683 | 479 | int pid; |
minqi@5683 | 480 | char tms[32]; |
minqi@5683 | 481 | char i_result[FILENAMEBUFLEN]; |
minqi@5683 | 482 | const char* o_result; |
minqi@5683 | 483 | get_datetime_string(tms, sizeof(tms)); |
minqi@5683 | 484 | pid = os::current_process_id(); |
minqi@5683 | 485 | |
minqi@5683 | 486 | // test.log |
minqi@5683 | 487 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test.log", tms); |
minqi@5683 | 488 | o_result = make_log_name_internal("test.log", NULL, pid, tms); |
minqi@5683 | 489 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test.log\", NULL)"); |
minqi@5683 | 490 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 491 | |
minqi@5683 | 492 | // test-%t-%p.log |
minqi@5683 | 493 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%s-pid%u.log", tms, pid); |
minqi@5683 | 494 | o_result = make_log_name_internal("test-%t-%p.log", NULL, pid, tms); |
minqi@5683 | 495 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t-%%p.log\", NULL)"); |
minqi@5683 | 496 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 497 | |
minqi@5683 | 498 | // test-%t%p.log |
minqi@5683 | 499 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%spid%u.log", tms, pid); |
minqi@5683 | 500 | o_result = make_log_name_internal("test-%t%p.log", NULL, pid, tms); |
minqi@5683 | 501 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t%%p.log\", NULL)"); |
minqi@5683 | 502 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 503 | |
minqi@5683 | 504 | // %p%t.log |
minqi@5683 | 505 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u%s.log", pid, tms); |
minqi@5683 | 506 | o_result = make_log_name_internal("%p%t.log", NULL, pid, tms); |
minqi@5683 | 507 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p%%t.log\", NULL)"); |
minqi@5683 | 508 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 509 | |
minqi@5683 | 510 | // %p-test.log |
minqi@5683 | 511 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u-test.log", pid); |
minqi@5683 | 512 | o_result = make_log_name_internal("%p-test.log", NULL, pid, tms); |
minqi@5683 | 513 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p-test.log\", NULL)"); |
minqi@5683 | 514 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 515 | |
minqi@5683 | 516 | // %t.log |
minqi@5683 | 517 | jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "%s.log", tms); |
minqi@5683 | 518 | o_result = make_log_name_internal("%t.log", NULL, pid, tms); |
minqi@5683 | 519 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%t.log\", NULL)"); |
minqi@5683 | 520 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
minqi@5683 | 521 | } |
minqi@5683 | 522 | #endif // PRODUCT |
minqi@5683 | 523 | |
duke@435 | 524 | fileStream::fileStream(const char* file_name) { |
duke@435 | 525 | _file = fopen(file_name, "w"); |
minqi@5683 | 526 | if (_file != NULL) { |
minqi@5683 | 527 | _need_close = true; |
minqi@5683 | 528 | } else { |
minqi@5683 | 529 | warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); |
minqi@5683 | 530 | _need_close = false; |
minqi@5683 | 531 | } |
duke@435 | 532 | } |
duke@435 | 533 | |
kamg@2515 | 534 | fileStream::fileStream(const char* file_name, const char* opentype) { |
kamg@2515 | 535 | _file = fopen(file_name, opentype); |
minqi@5683 | 536 | if (_file != NULL) { |
minqi@5683 | 537 | _need_close = true; |
minqi@5683 | 538 | } else { |
minqi@5683 | 539 | warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); |
minqi@5683 | 540 | _need_close = false; |
minqi@5683 | 541 | } |
kamg@2515 | 542 | } |
kamg@2515 | 543 | |
duke@435 | 544 | void fileStream::write(const char* s, size_t len) { |
xlu@948 | 545 | if (_file != NULL) { |
xlu@948 | 546 | // Make an unused local variable to avoid warning from gcc 4.x compiler. |
xlu@948 | 547 | size_t count = fwrite(s, 1, len, _file); |
xlu@948 | 548 | } |
duke@435 | 549 | update_position(s, len); |
duke@435 | 550 | } |
duke@435 | 551 | |
kamg@2515 | 552 | long fileStream::fileSize() { |
kamg@2515 | 553 | long size = -1; |
kamg@2515 | 554 | if (_file != NULL) { |
kamg@2515 | 555 | long pos = ::ftell(_file); |
kamg@2515 | 556 | if (::fseek(_file, 0, SEEK_END) == 0) { |
kamg@2515 | 557 | size = ::ftell(_file); |
kamg@2515 | 558 | } |
kamg@2515 | 559 | ::fseek(_file, pos, SEEK_SET); |
kamg@2515 | 560 | } |
kamg@2515 | 561 | return size; |
kamg@2515 | 562 | } |
kamg@2515 | 563 | |
kamg@2515 | 564 | char* fileStream::readln(char *data, int count ) { |
kamg@2515 | 565 | char * ret = ::fgets(data, count, _file); |
kamg@2515 | 566 | //Get rid of annoying \n char |
kamg@2515 | 567 | data[::strlen(data)-1] = '\0'; |
kamg@2515 | 568 | return ret; |
kamg@2515 | 569 | } |
kamg@2515 | 570 | |
duke@435 | 571 | fileStream::~fileStream() { |
duke@435 | 572 | if (_file != NULL) { |
duke@435 | 573 | if (_need_close) fclose(_file); |
minqi@2964 | 574 | _file = NULL; |
duke@435 | 575 | } |
duke@435 | 576 | } |
duke@435 | 577 | |
duke@435 | 578 | void fileStream::flush() { |
duke@435 | 579 | fflush(_file); |
duke@435 | 580 | } |
duke@435 | 581 | |
duke@435 | 582 | fdStream::fdStream(const char* file_name) { |
duke@435 | 583 | _fd = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
duke@435 | 584 | _need_close = true; |
duke@435 | 585 | } |
duke@435 | 586 | |
duke@435 | 587 | fdStream::~fdStream() { |
duke@435 | 588 | if (_fd != -1) { |
duke@435 | 589 | if (_need_close) close(_fd); |
duke@435 | 590 | _fd = -1; |
duke@435 | 591 | } |
duke@435 | 592 | } |
duke@435 | 593 | |
duke@435 | 594 | void fdStream::write(const char* s, size_t len) { |
xlu@948 | 595 | if (_fd != -1) { |
xlu@948 | 596 | // Make an unused local variable to avoid warning from gcc 4.x compiler. |
xlu@948 | 597 | size_t count = ::write(_fd, s, (int)len); |
xlu@948 | 598 | } |
duke@435 | 599 | update_position(s, len); |
duke@435 | 600 | } |
duke@435 | 601 | |
minqi@5683 | 602 | // dump vm version, os version, platform info, build id, |
minqi@5683 | 603 | // memory usage and command line flags into header |
minqi@5683 | 604 | void gcLogFileStream::dump_loggc_header() { |
minqi@5683 | 605 | if (is_open()) { |
minqi@5683 | 606 | print_cr(Abstract_VM_Version::internal_vm_info_string()); |
minqi@5683 | 607 | os::print_memory_info(this); |
minqi@5683 | 608 | print("CommandLine flags: "); |
minqi@5683 | 609 | CommandLineFlags::printSetFlags(this); |
minqi@5683 | 610 | } |
minqi@5683 | 611 | } |
minqi@5683 | 612 | |
minqi@5683 | 613 | gcLogFileStream::~gcLogFileStream() { |
minqi@2964 | 614 | if (_file != NULL) { |
minqi@2964 | 615 | if (_need_close) fclose(_file); |
minqi@5683 | 616 | _file = NULL; |
minqi@5683 | 617 | } |
minqi@5683 | 618 | if (_file_name != NULL) { |
zgu@3900 | 619 | FREE_C_HEAP_ARRAY(char, _file_name, mtInternal); |
minqi@2964 | 620 | _file_name = NULL; |
minqi@2964 | 621 | } |
minqi@2964 | 622 | } |
minqi@2964 | 623 | |
minqi@5683 | 624 | gcLogFileStream::gcLogFileStream(const char* file_name) { |
minqi@2964 | 625 | _cur_file_num = 0; |
jwilhelm@4647 | 626 | _bytes_written = 0L; |
minqi@5683 | 627 | _file_name = make_log_name(file_name, NULL); |
minqi@5683 | 628 | |
minqi@5683 | 629 | // gc log file rotation |
minqi@5683 | 630 | if (UseGCLogFileRotation && NumberOfGCLogFiles > 1) { |
minqi@5683 | 631 | char tempbuf[FILENAMEBUFLEN]; |
minqi@5683 | 632 | jio_snprintf(tempbuf, sizeof(tempbuf), "%s.%d" CURRENTAPPX, _file_name, _cur_file_num); |
minqi@5683 | 633 | _file = fopen(tempbuf, "w"); |
minqi@5683 | 634 | } else { |
minqi@5683 | 635 | _file = fopen(_file_name, "w"); |
minqi@5683 | 636 | } |
minqi@5683 | 637 | if (_file != NULL) { |
minqi@5683 | 638 | _need_close = true; |
minqi@5683 | 639 | dump_loggc_header(); |
minqi@5683 | 640 | } else { |
minqi@5683 | 641 | warning("Cannot open file %s due to %s\n", _file_name, strerror(errno)); |
minqi@5683 | 642 | _need_close = false; |
minqi@5683 | 643 | } |
minqi@2964 | 644 | } |
minqi@2964 | 645 | |
minqi@5683 | 646 | void gcLogFileStream::write(const char* s, size_t len) { |
jwilhelm@4647 | 647 | if (_file != NULL) { |
minqi@2964 | 648 | size_t count = fwrite(s, 1, len, _file); |
jwilhelm@4647 | 649 | _bytes_written += count; |
minqi@2964 | 650 | } |
minqi@2964 | 651 | update_position(s, len); |
minqi@2964 | 652 | } |
minqi@2964 | 653 | |
minqi@2964 | 654 | // rotate_log must be called from VMThread at safepoint. In case need change parameters |
minqi@2964 | 655 | // for gc log rotation from thread other than VMThread, a sub type of VM_Operation |
minqi@2964 | 656 | // should be created and be submitted to VMThread's operation queue. DO NOT call this |
minqi@2964 | 657 | // function directly. Currently, it is safe to rotate log at safepoint through VMThread. |
minqi@2964 | 658 | // That is, no mutator threads and concurrent GC threads run parallel with VMThread to |
minqi@2964 | 659 | // write to gc log file at safepoint. If in future, changes made for mutator threads or |
minqi@2964 | 660 | // concurrent GC threads to run parallel with VMThread at safepoint, write and rotate_log |
minqi@2964 | 661 | // must be synchronized. |
minqi@5683 | 662 | void gcLogFileStream::rotate_log() { |
minqi@5683 | 663 | char time_msg[FILENAMEBUFLEN]; |
minqi@5683 | 664 | char time_str[EXTRACHARLEN]; |
minqi@5683 | 665 | char current_file_name[FILENAMEBUFLEN]; |
minqi@5683 | 666 | char renamed_file_name[FILENAMEBUFLEN]; |
minqi@5683 | 667 | |
jwilhelm@4647 | 668 | if (_bytes_written < (jlong)GCLogFileSize) { |
jwilhelm@4647 | 669 | return; |
jwilhelm@4647 | 670 | } |
jwilhelm@4647 | 671 | |
minqi@2964 | 672 | #ifdef ASSERT |
minqi@2964 | 673 | Thread *thread = Thread::current(); |
minqi@2964 | 674 | assert(thread == NULL || |
minqi@2964 | 675 | (thread->is_VM_thread() && SafepointSynchronize::is_at_safepoint()), |
minqi@2964 | 676 | "Must be VMThread at safepoint"); |
minqi@2964 | 677 | #endif |
minqi@2964 | 678 | if (NumberOfGCLogFiles == 1) { |
minqi@2964 | 679 | // rotate in same file |
minqi@2964 | 680 | rewind(); |
jwilhelm@4647 | 681 | _bytes_written = 0L; |
minqi@5683 | 682 | jio_snprintf(time_msg, sizeof(time_msg), "File %s rotated at %s\n", |
minqi@5683 | 683 | _file_name, os::local_time_string((char *)time_str, sizeof(time_str))); |
minqi@5683 | 684 | write(time_msg, strlen(time_msg)); |
minqi@5683 | 685 | dump_loggc_header(); |
minqi@2964 | 686 | return; |
minqi@2964 | 687 | } |
minqi@2964 | 688 | |
minqi@5683 | 689 | #if defined(_WINDOWS) |
minqi@5683 | 690 | #ifndef F_OK |
minqi@5683 | 691 | #define F_OK 0 |
minqi@5683 | 692 | #endif |
minqi@5683 | 693 | #endif // _WINDOWS |
minqi@5683 | 694 | |
minqi@5683 | 695 | // rotate file in names extended_filename.0, extended_filename.1, ..., |
minqi@5683 | 696 | // extended_filename.<NumberOfGCLogFiles - 1>. Current rotation file name will |
minqi@5683 | 697 | // have a form of extended_filename.<i>.current where i is the current rotation |
minqi@5683 | 698 | // file number. After it reaches max file size, the file will be saved and renamed |
minqi@5683 | 699 | // with .current removed from its tail. |
minqi@5683 | 700 | size_t filename_len = strlen(_file_name); |
minqi@2964 | 701 | if (_file != NULL) { |
minqi@5683 | 702 | jio_snprintf(renamed_file_name, filename_len + EXTRACHARLEN, "%s.%d", |
minqi@5683 | 703 | _file_name, _cur_file_num); |
minqi@5683 | 704 | jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, |
minqi@5683 | 705 | _file_name, _cur_file_num); |
minqi@5683 | 706 | jio_snprintf(time_msg, sizeof(time_msg), "%s GC log file has reached the" |
minqi@5683 | 707 | " maximum size. Saved as %s\n", |
minqi@5683 | 708 | os::local_time_string((char *)time_str, sizeof(time_str)), |
minqi@5683 | 709 | renamed_file_name); |
minqi@5683 | 710 | write(time_msg, strlen(time_msg)); |
minqi@5683 | 711 | |
minqi@2964 | 712 | fclose(_file); |
minqi@2964 | 713 | _file = NULL; |
minqi@5683 | 714 | |
minqi@5683 | 715 | bool can_rename = true; |
minqi@5683 | 716 | if (access(current_file_name, F_OK) != 0) { |
minqi@5683 | 717 | // current file does not exist? |
minqi@5683 | 718 | warning("No source file exists, cannot rename\n"); |
minqi@5683 | 719 | can_rename = false; |
minqi@5683 | 720 | } |
minqi@5683 | 721 | if (can_rename) { |
minqi@5683 | 722 | if (access(renamed_file_name, F_OK) == 0) { |
minqi@5683 | 723 | if (remove(renamed_file_name) != 0) { |
minqi@5683 | 724 | warning("Could not delete existing file %s\n", renamed_file_name); |
minqi@5683 | 725 | can_rename = false; |
minqi@5683 | 726 | } |
minqi@5683 | 727 | } else { |
minqi@5683 | 728 | // file does not exist, ok to rename |
minqi@5683 | 729 | } |
minqi@5683 | 730 | } |
minqi@5683 | 731 | if (can_rename && rename(current_file_name, renamed_file_name) != 0) { |
minqi@5683 | 732 | warning("Could not rename %s to %s\n", _file_name, renamed_file_name); |
minqi@5683 | 733 | } |
minqi@2964 | 734 | } |
minqi@5683 | 735 | |
minqi@5683 | 736 | _cur_file_num++; |
minqi@5683 | 737 | if (_cur_file_num > NumberOfGCLogFiles - 1) _cur_file_num = 0; |
minqi@5683 | 738 | jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, |
minqi@5683 | 739 | _file_name, _cur_file_num); |
minqi@5683 | 740 | _file = fopen(current_file_name, "w"); |
minqi@5683 | 741 | |
minqi@2964 | 742 | if (_file != NULL) { |
jwilhelm@4647 | 743 | _bytes_written = 0L; |
minqi@2964 | 744 | _need_close = true; |
minqi@5683 | 745 | // reuse current_file_name for time_msg |
minqi@5683 | 746 | jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, |
minqi@5683 | 747 | "%s.%d", _file_name, _cur_file_num); |
minqi@5683 | 748 | jio_snprintf(time_msg, sizeof(time_msg), "%s GC log file created %s\n", |
minqi@5683 | 749 | os::local_time_string((char *)time_str, sizeof(time_str)), |
minqi@5683 | 750 | current_file_name); |
minqi@5683 | 751 | write(time_msg, strlen(time_msg)); |
minqi@5683 | 752 | dump_loggc_header(); |
minqi@5683 | 753 | // remove the existing file |
minqi@5683 | 754 | if (access(current_file_name, F_OK) == 0) { |
minqi@5683 | 755 | if (remove(current_file_name) != 0) { |
minqi@5683 | 756 | warning("Could not delete existing file %s\n", current_file_name); |
minqi@5683 | 757 | } |
minqi@5683 | 758 | } |
minqi@2964 | 759 | } else { |
minqi@5683 | 760 | warning("failed to open rotation log file %s due to %s\n" |
minqi@5683 | 761 | "Turned off GC log file rotation\n", |
minqi@2964 | 762 | _file_name, strerror(errno)); |
minqi@2964 | 763 | _need_close = false; |
minqi@5683 | 764 | FLAG_SET_DEFAULT(UseGCLogFileRotation, false); |
minqi@2964 | 765 | } |
minqi@2964 | 766 | } |
minqi@2964 | 767 | |
duke@435 | 768 | defaultStream* defaultStream::instance = NULL; |
duke@435 | 769 | int defaultStream::_output_fd = 1; |
duke@435 | 770 | int defaultStream::_error_fd = 2; |
duke@435 | 771 | FILE* defaultStream::_output_stream = stdout; |
duke@435 | 772 | FILE* defaultStream::_error_stream = stderr; |
duke@435 | 773 | |
duke@435 | 774 | #define LOG_MAJOR_VERSION 160 |
duke@435 | 775 | #define LOG_MINOR_VERSION 1 |
duke@435 | 776 | |
duke@435 | 777 | void defaultStream::init() { |
duke@435 | 778 | _inited = true; |
duke@435 | 779 | if (LogVMOutput || LogCompilation) { |
duke@435 | 780 | init_log(); |
duke@435 | 781 | } |
duke@435 | 782 | } |
duke@435 | 783 | |
duke@435 | 784 | bool defaultStream::has_log_file() { |
duke@435 | 785 | // lazily create log file (at startup, LogVMOutput is false even |
duke@435 | 786 | // if +LogVMOutput is used, because the flags haven't been parsed yet) |
duke@435 | 787 | // For safer printing during fatal error handling, do not init logfile |
duke@435 | 788 | // if a VM error has been reported. |
duke@435 | 789 | if (!_inited && !is_error_reported()) init(); |
duke@435 | 790 | return _log_file != NULL; |
duke@435 | 791 | } |
duke@435 | 792 | |
duke@435 | 793 | void defaultStream::init_log() { |
duke@435 | 794 | // %%% Need a MutexLocker? |
vlivanov@5725 | 795 | const char* log_name = LogFile != NULL ? LogFile : "hotspot_pid%p.log"; |
coleenp@1788 | 796 | const char* try_name = make_log_name(log_name, NULL); |
zgu@3900 | 797 | fileStream* file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
duke@435 | 798 | if (!file->is_open()) { |
duke@435 | 799 | // Try again to open the file. |
duke@435 | 800 | char warnbuf[O_BUFLEN*2]; |
coleenp@1788 | 801 | jio_snprintf(warnbuf, sizeof(warnbuf), |
coleenp@1788 | 802 | "Warning: Cannot open log file: %s\n", try_name); |
duke@435 | 803 | // Note: This feature is for maintainer use only. No need for L10N. |
duke@435 | 804 | jio_print(warnbuf); |
zgu@3900 | 805 | FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
vlivanov@5725 | 806 | try_name = make_log_name(log_name, os::get_temp_directory()); |
coleenp@1788 | 807 | jio_snprintf(warnbuf, sizeof(warnbuf), |
coleenp@1788 | 808 | "Warning: Forcing option -XX:LogFile=%s\n", try_name); |
duke@435 | 809 | jio_print(warnbuf); |
duke@435 | 810 | delete file; |
zgu@3900 | 811 | file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
duke@435 | 812 | } |
vlivanov@5725 | 813 | FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
vlivanov@5725 | 814 | |
duke@435 | 815 | if (file->is_open()) { |
duke@435 | 816 | _log_file = file; |
zgu@3900 | 817 | xmlStream* xs = new(ResourceObj::C_HEAP, mtInternal) xmlStream(file); |
duke@435 | 818 | _outer_xmlStream = xs; |
duke@435 | 819 | if (this == tty) xtty = xs; |
duke@435 | 820 | // Write XML header. |
duke@435 | 821 | xs->print_cr("<?xml version='1.0' encoding='UTF-8'?>"); |
duke@435 | 822 | // (For now, don't bother to issue a DTD for this private format.) |
duke@435 | 823 | jlong time_ms = os::javaTimeMillis() - tty->time_stamp().milliseconds(); |
duke@435 | 824 | // %%% Should be: jlong time_ms = os::start_time_milliseconds(), if |
duke@435 | 825 | // we ever get round to introduce that method on the os class |
duke@435 | 826 | xs->head("hotspot_log version='%d %d'" |
duke@435 | 827 | " process='%d' time_ms='"INT64_FORMAT"'", |
duke@435 | 828 | LOG_MAJOR_VERSION, LOG_MINOR_VERSION, |
duke@435 | 829 | os::current_process_id(), time_ms); |
duke@435 | 830 | // Write VM version header immediately. |
duke@435 | 831 | xs->head("vm_version"); |
duke@435 | 832 | xs->head("name"); xs->text("%s", VM_Version::vm_name()); xs->cr(); |
duke@435 | 833 | xs->tail("name"); |
duke@435 | 834 | xs->head("release"); xs->text("%s", VM_Version::vm_release()); xs->cr(); |
duke@435 | 835 | xs->tail("release"); |
duke@435 | 836 | xs->head("info"); xs->text("%s", VM_Version::internal_vm_info_string()); xs->cr(); |
duke@435 | 837 | xs->tail("info"); |
duke@435 | 838 | xs->tail("vm_version"); |
duke@435 | 839 | // Record information about the command-line invocation. |
duke@435 | 840 | xs->head("vm_arguments"); // Cf. Arguments::print_on() |
duke@435 | 841 | if (Arguments::num_jvm_flags() > 0) { |
duke@435 | 842 | xs->head("flags"); |
duke@435 | 843 | Arguments::print_jvm_flags_on(xs->text()); |
duke@435 | 844 | xs->tail("flags"); |
duke@435 | 845 | } |
duke@435 | 846 | if (Arguments::num_jvm_args() > 0) { |
duke@435 | 847 | xs->head("args"); |
duke@435 | 848 | Arguments::print_jvm_args_on(xs->text()); |
duke@435 | 849 | xs->tail("args"); |
duke@435 | 850 | } |
duke@435 | 851 | if (Arguments::java_command() != NULL) { |
duke@435 | 852 | xs->head("command"); xs->text()->print_cr("%s", Arguments::java_command()); |
duke@435 | 853 | xs->tail("command"); |
duke@435 | 854 | } |
duke@435 | 855 | if (Arguments::sun_java_launcher() != NULL) { |
duke@435 | 856 | xs->head("launcher"); xs->text()->print_cr("%s", Arguments::sun_java_launcher()); |
duke@435 | 857 | xs->tail("launcher"); |
duke@435 | 858 | } |
duke@435 | 859 | if (Arguments::system_properties() != NULL) { |
duke@435 | 860 | xs->head("properties"); |
duke@435 | 861 | // Print it as a java-style property list. |
duke@435 | 862 | // System properties don't generally contain newlines, so don't bother with unparsing. |
duke@435 | 863 | for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) { |
duke@435 | 864 | xs->text()->print_cr("%s=%s", p->key(), p->value()); |
duke@435 | 865 | } |
duke@435 | 866 | xs->tail("properties"); |
duke@435 | 867 | } |
duke@435 | 868 | xs->tail("vm_arguments"); |
duke@435 | 869 | // tty output per se is grouped under the <tty>...</tty> element. |
duke@435 | 870 | xs->head("tty"); |
duke@435 | 871 | // All further non-markup text gets copied to the tty: |
duke@435 | 872 | xs->_text = this; // requires friend declaration! |
duke@435 | 873 | } else { |
duke@435 | 874 | delete(file); |
duke@435 | 875 | // and leave xtty as NULL |
duke@435 | 876 | LogVMOutput = false; |
duke@435 | 877 | DisplayVMOutput = true; |
duke@435 | 878 | LogCompilation = false; |
duke@435 | 879 | } |
duke@435 | 880 | } |
duke@435 | 881 | |
duke@435 | 882 | // finish_log() is called during normal VM shutdown. finish_log_on_error() is |
duke@435 | 883 | // called by ostream_abort() after a fatal error. |
duke@435 | 884 | // |
duke@435 | 885 | void defaultStream::finish_log() { |
duke@435 | 886 | xmlStream* xs = _outer_xmlStream; |
duke@435 | 887 | xs->done("tty"); |
duke@435 | 888 | |
duke@435 | 889 | // Other log forks are appended here, at the End of Time: |
duke@435 | 890 | CompileLog::finish_log(xs->out()); // write compile logging, if any, now |
duke@435 | 891 | |
duke@435 | 892 | xs->done("hotspot_log"); |
duke@435 | 893 | xs->flush(); |
duke@435 | 894 | |
duke@435 | 895 | fileStream* file = _log_file; |
duke@435 | 896 | _log_file = NULL; |
duke@435 | 897 | |
duke@435 | 898 | delete _outer_xmlStream; |
duke@435 | 899 | _outer_xmlStream = NULL; |
duke@435 | 900 | |
duke@435 | 901 | file->flush(); |
duke@435 | 902 | delete file; |
duke@435 | 903 | } |
duke@435 | 904 | |
duke@435 | 905 | void defaultStream::finish_log_on_error(char *buf, int buflen) { |
duke@435 | 906 | xmlStream* xs = _outer_xmlStream; |
duke@435 | 907 | |
duke@435 | 908 | if (xs && xs->out()) { |
duke@435 | 909 | |
duke@435 | 910 | xs->done_raw("tty"); |
duke@435 | 911 | |
duke@435 | 912 | // Other log forks are appended here, at the End of Time: |
duke@435 | 913 | CompileLog::finish_log_on_error(xs->out(), buf, buflen); // write compile logging, if any, now |
duke@435 | 914 | |
duke@435 | 915 | xs->done_raw("hotspot_log"); |
duke@435 | 916 | xs->flush(); |
duke@435 | 917 | |
duke@435 | 918 | fileStream* file = _log_file; |
duke@435 | 919 | _log_file = NULL; |
duke@435 | 920 | _outer_xmlStream = NULL; |
duke@435 | 921 | |
duke@435 | 922 | if (file) { |
duke@435 | 923 | file->flush(); |
duke@435 | 924 | |
duke@435 | 925 | // Can't delete or close the file because delete and fclose aren't |
duke@435 | 926 | // async-safe. We are about to die, so leave it to the kernel. |
duke@435 | 927 | // delete file; |
duke@435 | 928 | } |
duke@435 | 929 | } |
duke@435 | 930 | } |
duke@435 | 931 | |
duke@435 | 932 | intx defaultStream::hold(intx writer_id) { |
duke@435 | 933 | bool has_log = has_log_file(); // check before locking |
duke@435 | 934 | if (// impossible, but who knows? |
duke@435 | 935 | writer_id == NO_WRITER || |
duke@435 | 936 | |
duke@435 | 937 | // bootstrap problem |
duke@435 | 938 | tty_lock == NULL || |
duke@435 | 939 | |
duke@435 | 940 | // can't grab a lock or call Thread::current() if TLS isn't initialized |
duke@435 | 941 | ThreadLocalStorage::thread() == NULL || |
duke@435 | 942 | |
duke@435 | 943 | // developer hook |
duke@435 | 944 | !SerializeVMOutput || |
duke@435 | 945 | |
duke@435 | 946 | // VM already unhealthy |
duke@435 | 947 | is_error_reported() || |
duke@435 | 948 | |
duke@435 | 949 | // safepoint == global lock (for VM only) |
duke@435 | 950 | (SafepointSynchronize::is_synchronizing() && |
duke@435 | 951 | Thread::current()->is_VM_thread()) |
duke@435 | 952 | ) { |
duke@435 | 953 | // do not attempt to lock unless we know the thread and the VM is healthy |
duke@435 | 954 | return NO_WRITER; |
duke@435 | 955 | } |
duke@435 | 956 | if (_writer == writer_id) { |
duke@435 | 957 | // already held, no need to re-grab the lock |
duke@435 | 958 | return NO_WRITER; |
duke@435 | 959 | } |
duke@435 | 960 | tty_lock->lock_without_safepoint_check(); |
duke@435 | 961 | // got the lock |
duke@435 | 962 | if (writer_id != _last_writer) { |
duke@435 | 963 | if (has_log) { |
duke@435 | 964 | _log_file->bol(); |
duke@435 | 965 | // output a hint where this output is coming from: |
vlivanov@4154 | 966 | _log_file->print_cr("<writer thread='" UINTX_FORMAT "'/>", writer_id); |
duke@435 | 967 | } |
duke@435 | 968 | _last_writer = writer_id; |
duke@435 | 969 | } |
duke@435 | 970 | _writer = writer_id; |
duke@435 | 971 | return writer_id; |
duke@435 | 972 | } |
duke@435 | 973 | |
duke@435 | 974 | void defaultStream::release(intx holder) { |
duke@435 | 975 | if (holder == NO_WRITER) { |
duke@435 | 976 | // nothing to release: either a recursive lock, or we scribbled (too bad) |
duke@435 | 977 | return; |
duke@435 | 978 | } |
duke@435 | 979 | if (_writer != holder) { |
duke@435 | 980 | return; // already unlocked, perhaps via break_tty_lock_for_safepoint |
duke@435 | 981 | } |
duke@435 | 982 | _writer = NO_WRITER; |
duke@435 | 983 | tty_lock->unlock(); |
duke@435 | 984 | } |
duke@435 | 985 | |
duke@435 | 986 | |
duke@435 | 987 | // Yuck: jio_print does not accept char*/len. |
duke@435 | 988 | static void call_jio_print(const char* s, size_t len) { |
duke@435 | 989 | char buffer[O_BUFLEN+100]; |
duke@435 | 990 | if (len > sizeof(buffer)-1) { |
duke@435 | 991 | warning("increase O_BUFLEN in ostream.cpp -- output truncated"); |
duke@435 | 992 | len = sizeof(buffer)-1; |
duke@435 | 993 | } |
duke@435 | 994 | strncpy(buffer, s, len); |
duke@435 | 995 | buffer[len] = '\0'; |
duke@435 | 996 | jio_print(buffer); |
duke@435 | 997 | } |
duke@435 | 998 | |
duke@435 | 999 | |
duke@435 | 1000 | void defaultStream::write(const char* s, size_t len) { |
duke@435 | 1001 | intx thread_id = os::current_thread_id(); |
duke@435 | 1002 | intx holder = hold(thread_id); |
duke@435 | 1003 | |
duke@435 | 1004 | if (DisplayVMOutput && |
duke@435 | 1005 | (_outer_xmlStream == NULL || !_outer_xmlStream->inside_attrs())) { |
duke@435 | 1006 | // print to output stream. It can be redirected by a vfprintf hook |
duke@435 | 1007 | if (s[len] == '\0') { |
duke@435 | 1008 | jio_print(s); |
duke@435 | 1009 | } else { |
duke@435 | 1010 | call_jio_print(s, len); |
duke@435 | 1011 | } |
duke@435 | 1012 | } |
duke@435 | 1013 | |
duke@435 | 1014 | // print to log file |
duke@435 | 1015 | if (has_log_file()) { |
duke@435 | 1016 | int nl0 = _newlines; |
duke@435 | 1017 | xmlTextStream::write(s, len); |
duke@435 | 1018 | // flush the log file too, if there were any newlines |
duke@435 | 1019 | if (nl0 != _newlines){ |
duke@435 | 1020 | flush(); |
duke@435 | 1021 | } |
duke@435 | 1022 | } else { |
duke@435 | 1023 | update_position(s, len); |
duke@435 | 1024 | } |
duke@435 | 1025 | |
duke@435 | 1026 | release(holder); |
duke@435 | 1027 | } |
duke@435 | 1028 | |
duke@435 | 1029 | intx ttyLocker::hold_tty() { |
duke@435 | 1030 | if (defaultStream::instance == NULL) return defaultStream::NO_WRITER; |
duke@435 | 1031 | intx thread_id = os::current_thread_id(); |
duke@435 | 1032 | return defaultStream::instance->hold(thread_id); |
duke@435 | 1033 | } |
duke@435 | 1034 | |
duke@435 | 1035 | void ttyLocker::release_tty(intx holder) { |
duke@435 | 1036 | if (holder == defaultStream::NO_WRITER) return; |
duke@435 | 1037 | defaultStream::instance->release(holder); |
duke@435 | 1038 | } |
duke@435 | 1039 | |
never@2570 | 1040 | bool ttyLocker::release_tty_if_locked() { |
never@2570 | 1041 | intx thread_id = os::current_thread_id(); |
never@2570 | 1042 | if (defaultStream::instance->writer() == thread_id) { |
never@2570 | 1043 | // release the lock and return true so callers know if was |
never@2570 | 1044 | // previously held. |
never@2570 | 1045 | release_tty(thread_id); |
never@2570 | 1046 | return true; |
never@2570 | 1047 | } |
never@2570 | 1048 | return false; |
never@2570 | 1049 | } |
never@2570 | 1050 | |
duke@435 | 1051 | void ttyLocker::break_tty_lock_for_safepoint(intx holder) { |
duke@435 | 1052 | if (defaultStream::instance != NULL && |
duke@435 | 1053 | defaultStream::instance->writer() == holder) { |
duke@435 | 1054 | if (xtty != NULL) { |
duke@435 | 1055 | xtty->print_cr("<!-- safepoint while printing -->"); |
duke@435 | 1056 | } |
duke@435 | 1057 | defaultStream::instance->release(holder); |
duke@435 | 1058 | } |
duke@435 | 1059 | // (else there was no lock to break) |
duke@435 | 1060 | } |
duke@435 | 1061 | |
duke@435 | 1062 | void ostream_init() { |
duke@435 | 1063 | if (defaultStream::instance == NULL) { |
zgu@3900 | 1064 | defaultStream::instance = new(ResourceObj::C_HEAP, mtInternal) defaultStream(); |
duke@435 | 1065 | tty = defaultStream::instance; |
duke@435 | 1066 | |
duke@435 | 1067 | // We want to ensure that time stamps in GC logs consider time 0 |
duke@435 | 1068 | // the time when the JVM is initialized, not the first time we ask |
duke@435 | 1069 | // for a time stamp. So, here, we explicitly update the time stamp |
duke@435 | 1070 | // of tty. |
duke@435 | 1071 | tty->time_stamp().update_to(1); |
duke@435 | 1072 | } |
duke@435 | 1073 | } |
duke@435 | 1074 | |
duke@435 | 1075 | void ostream_init_log() { |
duke@435 | 1076 | // For -Xloggc:<file> option - called in runtime/thread.cpp |
duke@435 | 1077 | // Note : this must be called AFTER ostream_init() |
duke@435 | 1078 | |
duke@435 | 1079 | gclog_or_tty = tty; // default to tty |
duke@435 | 1080 | if (Arguments::gc_log_filename() != NULL) { |
minqi@5683 | 1081 | fileStream * gclog = new(ResourceObj::C_HEAP, mtInternal) |
minqi@5683 | 1082 | gcLogFileStream(Arguments::gc_log_filename()); |
duke@435 | 1083 | if (gclog->is_open()) { |
duke@435 | 1084 | // now we update the time stamp of the GC log to be synced up |
duke@435 | 1085 | // with tty. |
duke@435 | 1086 | gclog->time_stamp().update_to(tty->time_stamp().ticks()); |
duke@435 | 1087 | } |
minqi@2964 | 1088 | gclog_or_tty = gclog; |
duke@435 | 1089 | } |
duke@435 | 1090 | |
duke@435 | 1091 | // If we haven't lazily initialized the logfile yet, do it now, |
duke@435 | 1092 | // to avoid the possibility of lazy initialization during a VM |
duke@435 | 1093 | // crash, which can affect the stability of the fatal error handler. |
duke@435 | 1094 | defaultStream::instance->has_log_file(); |
duke@435 | 1095 | } |
duke@435 | 1096 | |
duke@435 | 1097 | // ostream_exit() is called during normal VM exit to finish log files, flush |
duke@435 | 1098 | // output and free resource. |
duke@435 | 1099 | void ostream_exit() { |
duke@435 | 1100 | static bool ostream_exit_called = false; |
duke@435 | 1101 | if (ostream_exit_called) return; |
duke@435 | 1102 | ostream_exit_called = true; |
duke@435 | 1103 | if (gclog_or_tty != tty) { |
duke@435 | 1104 | delete gclog_or_tty; |
duke@435 | 1105 | } |
duke@435 | 1106 | { |
duke@435 | 1107 | // we temporaly disable PrintMallocFree here |
duke@435 | 1108 | // as otherwise it'll lead to using of almost deleted |
duke@435 | 1109 | // tty or defaultStream::instance in logging facility |
duke@435 | 1110 | // of HeapFree(), see 6391258 |
duke@435 | 1111 | DEBUG_ONLY(FlagSetting fs(PrintMallocFree, false);) |
duke@435 | 1112 | if (tty != defaultStream::instance) { |
duke@435 | 1113 | delete tty; |
duke@435 | 1114 | } |
duke@435 | 1115 | if (defaultStream::instance != NULL) { |
duke@435 | 1116 | delete defaultStream::instance; |
duke@435 | 1117 | } |
duke@435 | 1118 | } |
duke@435 | 1119 | tty = NULL; |
duke@435 | 1120 | xtty = NULL; |
duke@435 | 1121 | gclog_or_tty = NULL; |
duke@435 | 1122 | defaultStream::instance = NULL; |
duke@435 | 1123 | } |
duke@435 | 1124 | |
duke@435 | 1125 | // ostream_abort() is called by os::abort() when VM is about to die. |
duke@435 | 1126 | void ostream_abort() { |
duke@435 | 1127 | // Here we can't delete gclog_or_tty and tty, just flush their output |
duke@435 | 1128 | if (gclog_or_tty) gclog_or_tty->flush(); |
duke@435 | 1129 | if (tty) tty->flush(); |
duke@435 | 1130 | |
duke@435 | 1131 | if (defaultStream::instance != NULL) { |
duke@435 | 1132 | static char buf[4096]; |
duke@435 | 1133 | defaultStream::instance->finish_log_on_error(buf, sizeof(buf)); |
duke@435 | 1134 | } |
duke@435 | 1135 | } |
duke@435 | 1136 | |
duke@435 | 1137 | staticBufferStream::staticBufferStream(char* buffer, size_t buflen, |
duke@435 | 1138 | outputStream *outer_stream) { |
duke@435 | 1139 | _buffer = buffer; |
duke@435 | 1140 | _buflen = buflen; |
duke@435 | 1141 | _outer_stream = outer_stream; |
kvn@2702 | 1142 | // compile task prints time stamp relative to VM start |
kvn@2702 | 1143 | _stamp.update_to(1); |
duke@435 | 1144 | } |
duke@435 | 1145 | |
duke@435 | 1146 | void staticBufferStream::write(const char* c, size_t len) { |
duke@435 | 1147 | _outer_stream->print_raw(c, (int)len); |
duke@435 | 1148 | } |
duke@435 | 1149 | |
duke@435 | 1150 | void staticBufferStream::flush() { |
duke@435 | 1151 | _outer_stream->flush(); |
duke@435 | 1152 | } |
duke@435 | 1153 | |
duke@435 | 1154 | void staticBufferStream::print(const char* format, ...) { |
duke@435 | 1155 | va_list ap; |
duke@435 | 1156 | va_start(ap, format); |
duke@435 | 1157 | size_t len; |
duke@435 | 1158 | const char* str = do_vsnprintf(_buffer, _buflen, format, ap, false, len); |
duke@435 | 1159 | write(str, len); |
duke@435 | 1160 | va_end(ap); |
duke@435 | 1161 | } |
duke@435 | 1162 | |
duke@435 | 1163 | void staticBufferStream::print_cr(const char* format, ...) { |
duke@435 | 1164 | va_list ap; |
duke@435 | 1165 | va_start(ap, format); |
duke@435 | 1166 | size_t len; |
duke@435 | 1167 | const char* str = do_vsnprintf(_buffer, _buflen, format, ap, true, len); |
duke@435 | 1168 | write(str, len); |
duke@435 | 1169 | va_end(ap); |
duke@435 | 1170 | } |
duke@435 | 1171 | |
duke@435 | 1172 | void staticBufferStream::vprint(const char *format, va_list argptr) { |
duke@435 | 1173 | size_t len; |
duke@435 | 1174 | const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, false, len); |
duke@435 | 1175 | write(str, len); |
duke@435 | 1176 | } |
duke@435 | 1177 | |
duke@435 | 1178 | void staticBufferStream::vprint_cr(const char* format, va_list argptr) { |
duke@435 | 1179 | size_t len; |
duke@435 | 1180 | const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, true, len); |
duke@435 | 1181 | write(str, len); |
duke@435 | 1182 | } |
duke@435 | 1183 | |
never@657 | 1184 | bufferedStream::bufferedStream(size_t initial_size, size_t bufmax) : outputStream() { |
duke@435 | 1185 | buffer_length = initial_size; |
zgu@3900 | 1186 | buffer = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
duke@435 | 1187 | buffer_pos = 0; |
duke@435 | 1188 | buffer_fixed = false; |
never@657 | 1189 | buffer_max = bufmax; |
duke@435 | 1190 | } |
duke@435 | 1191 | |
never@657 | 1192 | bufferedStream::bufferedStream(char* fixed_buffer, size_t fixed_buffer_size, size_t bufmax) : outputStream() { |
duke@435 | 1193 | buffer_length = fixed_buffer_size; |
duke@435 | 1194 | buffer = fixed_buffer; |
duke@435 | 1195 | buffer_pos = 0; |
duke@435 | 1196 | buffer_fixed = true; |
never@657 | 1197 | buffer_max = bufmax; |
duke@435 | 1198 | } |
duke@435 | 1199 | |
duke@435 | 1200 | void bufferedStream::write(const char* s, size_t len) { |
never@657 | 1201 | |
never@657 | 1202 | if(buffer_pos + len > buffer_max) { |
never@657 | 1203 | flush(); |
never@657 | 1204 | } |
never@657 | 1205 | |
duke@435 | 1206 | size_t end = buffer_pos + len; |
duke@435 | 1207 | if (end >= buffer_length) { |
duke@435 | 1208 | if (buffer_fixed) { |
duke@435 | 1209 | // if buffer cannot resize, silently truncate |
duke@435 | 1210 | len = buffer_length - buffer_pos - 1; |
duke@435 | 1211 | } else { |
duke@435 | 1212 | // For small overruns, double the buffer. For larger ones, |
duke@435 | 1213 | // increase to the requested size. |
duke@435 | 1214 | if (end < buffer_length * 2) { |
duke@435 | 1215 | end = buffer_length * 2; |
duke@435 | 1216 | } |
zgu@3900 | 1217 | buffer = REALLOC_C_HEAP_ARRAY(char, buffer, end, mtInternal); |
duke@435 | 1218 | buffer_length = end; |
duke@435 | 1219 | } |
duke@435 | 1220 | } |
duke@435 | 1221 | memcpy(buffer + buffer_pos, s, len); |
duke@435 | 1222 | buffer_pos += len; |
duke@435 | 1223 | update_position(s, len); |
duke@435 | 1224 | } |
duke@435 | 1225 | |
duke@435 | 1226 | char* bufferedStream::as_string() { |
duke@435 | 1227 | char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); |
duke@435 | 1228 | strncpy(copy, buffer, buffer_pos); |
duke@435 | 1229 | copy[buffer_pos] = 0; // terminating null |
duke@435 | 1230 | return copy; |
duke@435 | 1231 | } |
duke@435 | 1232 | |
duke@435 | 1233 | bufferedStream::~bufferedStream() { |
duke@435 | 1234 | if (!buffer_fixed) { |
zgu@3900 | 1235 | FREE_C_HEAP_ARRAY(char, buffer, mtInternal); |
duke@435 | 1236 | } |
duke@435 | 1237 | } |
duke@435 | 1238 | |
duke@435 | 1239 | #ifndef PRODUCT |
duke@435 | 1240 | |
never@3156 | 1241 | #if defined(SOLARIS) || defined(LINUX) || defined(_ALLBSD_SOURCE) |
duke@435 | 1242 | #include <sys/types.h> |
duke@435 | 1243 | #include <sys/socket.h> |
duke@435 | 1244 | #include <netinet/in.h> |
duke@435 | 1245 | #include <arpa/inet.h> |
duke@435 | 1246 | #endif |
duke@435 | 1247 | |
duke@435 | 1248 | // Network access |
never@657 | 1249 | networkStream::networkStream() : bufferedStream(1024*10, 1024*10) { |
duke@435 | 1250 | |
duke@435 | 1251 | _socket = -1; |
duke@435 | 1252 | |
ikrylov@2322 | 1253 | int result = os::socket(AF_INET, SOCK_STREAM, 0); |
duke@435 | 1254 | if (result <= 0) { |
duke@435 | 1255 | assert(false, "Socket could not be created!"); |
duke@435 | 1256 | } else { |
duke@435 | 1257 | _socket = result; |
duke@435 | 1258 | } |
duke@435 | 1259 | } |
duke@435 | 1260 | |
duke@435 | 1261 | int networkStream::read(char *buf, size_t len) { |
ikrylov@2322 | 1262 | return os::recv(_socket, buf, (int)len, 0); |
duke@435 | 1263 | } |
duke@435 | 1264 | |
duke@435 | 1265 | void networkStream::flush() { |
duke@435 | 1266 | if (size() != 0) { |
phh@3344 | 1267 | int result = os::raw_send(_socket, (char *)base(), size(), 0); |
never@657 | 1268 | assert(result != -1, "connection error"); |
never@657 | 1269 | assert(result == (int)size(), "didn't send enough data"); |
duke@435 | 1270 | } |
duke@435 | 1271 | reset(); |
duke@435 | 1272 | } |
duke@435 | 1273 | |
duke@435 | 1274 | networkStream::~networkStream() { |
duke@435 | 1275 | close(); |
duke@435 | 1276 | } |
duke@435 | 1277 | |
duke@435 | 1278 | void networkStream::close() { |
duke@435 | 1279 | if (_socket != -1) { |
duke@435 | 1280 | flush(); |
ikrylov@2322 | 1281 | os::socket_close(_socket); |
duke@435 | 1282 | _socket = -1; |
duke@435 | 1283 | } |
duke@435 | 1284 | } |
duke@435 | 1285 | |
duke@435 | 1286 | bool networkStream::connect(const char *ip, short port) { |
duke@435 | 1287 | |
duke@435 | 1288 | struct sockaddr_in server; |
duke@435 | 1289 | server.sin_family = AF_INET; |
duke@435 | 1290 | server.sin_port = htons(port); |
duke@435 | 1291 | |
duke@435 | 1292 | server.sin_addr.s_addr = inet_addr(ip); |
jcoomes@515 | 1293 | if (server.sin_addr.s_addr == (uint32_t)-1) { |
ikrylov@2322 | 1294 | struct hostent* host = os::get_host_by_name((char*)ip); |
duke@435 | 1295 | if (host != NULL) { |
duke@435 | 1296 | memcpy(&server.sin_addr, host->h_addr_list[0], host->h_length); |
duke@435 | 1297 | } else { |
duke@435 | 1298 | return false; |
duke@435 | 1299 | } |
duke@435 | 1300 | } |
duke@435 | 1301 | |
duke@435 | 1302 | |
ikrylov@2322 | 1303 | int result = os::connect(_socket, (struct sockaddr*)&server, sizeof(struct sockaddr_in)); |
duke@435 | 1304 | return (result >= 0); |
duke@435 | 1305 | } |
duke@435 | 1306 | |
duke@435 | 1307 | #endif |