1 /*
2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 // Output streams for printing
26 //
27 // Printing guidelines:
28 // Where possible, please use tty->print() and tty->print_cr().
29 // For product mode VM warnings use warning() which internally uses tty.
30 // In places where tty is not initialized yet or too much overhead,
31 // we may use jio_printf:
32 // jio_fprintf(defaultStream::output_stream(), "Message");
33 // This allows for redirection via -XX:+DisplayVMOutputToStdout and
34 // -XX:+DisplayVMOutputToStderr
35 class outputStream : public ResourceObj {
36 protected:
37 int _indentation; // current indentation
38 int _width; // width of the page
39 int _position; // position on the current line
40 int _newlines; // number of '\n' output so far
41 julong _precount; // number of chars output, less _position
42 TimeStamp _stamp; // for time stamps
43
44 void update_position(const char* s, size_t len);
228
229 #ifndef PRODUCT
230
231 class networkStream : public bufferedStream {
232
233 private:
234 int _socket;
235
236 public:
237 networkStream();
238 ~networkStream();
239
240 bool connect(const char *host, short port);
241 bool is_open() const { return _socket != -1; }
242 int read(char *buf, size_t len);
243 void close();
244 virtual void flush();
245 };
246
247 #endif
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1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_UTILITIES_OSTREAM_HPP
26 #define SHARE_VM_UTILITIES_OSTREAM_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/timer.hpp"
30
31 // Output streams for printing
32 //
33 // Printing guidelines:
34 // Where possible, please use tty->print() and tty->print_cr().
35 // For product mode VM warnings use warning() which internally uses tty.
36 // In places where tty is not initialized yet or too much overhead,
37 // we may use jio_printf:
38 // jio_fprintf(defaultStream::output_stream(), "Message");
39 // This allows for redirection via -XX:+DisplayVMOutputToStdout and
40 // -XX:+DisplayVMOutputToStderr
41 class outputStream : public ResourceObj {
42 protected:
43 int _indentation; // current indentation
44 int _width; // width of the page
45 int _position; // position on the current line
46 int _newlines; // number of '\n' output so far
47 julong _precount; // number of chars output, less _position
48 TimeStamp _stamp; // for time stamps
49
50 void update_position(const char* s, size_t len);
234
235 #ifndef PRODUCT
236
237 class networkStream : public bufferedStream {
238
239 private:
240 int _socket;
241
242 public:
243 networkStream();
244 ~networkStream();
245
246 bool connect(const char *host, short port);
247 bool is_open() const { return _socket != -1; }
248 int read(char *buf, size_t len);
249 void close();
250 virtual void flush();
251 };
252
253 #endif
254
255 #endif // SHARE_VM_UTILITIES_OSTREAM_HPP
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