mirror of https://github.com/BOINC/boinc.git
203 lines
6.1 KiB
C
203 lines
6.1 KiB
C
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifdef _WIN32
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#include "boinc_win.h"
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#endif
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#ifndef _WIN32
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#include <cassert>
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#include <cstring>
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#include <string>
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#endif
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#include "util.h"
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#include "msg_log.h"
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#ifdef _USING_FCGI_
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#include "fcgi_stdio.h"
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#endif
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using std::string;
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// MSG_LOG is a base class for writing messages not intended for the end user.
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// This includes all server messages and client debugging messages.
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// SCHED_MSG_LOG (in sched/sched_msg_log.C) decides which scheduler messages
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// to print and formats the "kind" keyword;
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// CLIENT_MSG_LOG does the same thing for client debugging output.
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//
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// MSG_LOG has an "indent_level" state for how many spaces to indent output.
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// This corresponds in general to the function-call recursion level.
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// Call MSG_LOG::enter_level() to increase or decrease by 1 level.
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// The SCOPE_MSG_LOG class takes care of these calls for you.
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// Create a SCOPE_MSG_LOG object on the stack at the beginning of a function;
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// it will increment the level by 1 on construction,
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// and decrement the level by 1 on destruction at end of scope.
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// This way you don't have to worry about decrementing
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// before mid-function returns, exceptions, etc.
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// Each [v]printf* function prints the timestamp, the formatted KIND string,
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// indentation level, then the specified string.
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// The string to print can be a one-line string (including the trailing \n),
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// a multi-line string (it's broken up into lines
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// to get the prefix on each line), or a file (also broken up into lines).
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// Scheduler functions should use "sched_messages" which is an instance of
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// SCHED_MSG_LOG. Client functions should use "client_messages",
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// which is an instance of CLIENT_MSG_LOG.
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// See sched/sched_msg_log.C and client/client_msg_log.C for those classes.
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MSG_LOG::MSG_LOG(FILE* output_) {
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output = output_;
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indent_level = 0;
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spaces[0] = 0;
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pid = 0;
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strcpy(spaces+1, " ");
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}
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void MSG_LOG::enter_level(int diff) {
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assert (indent_level >= 0);
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spaces[indent_level] = ' ';
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indent_level += diff*2;
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spaces[indent_level] = 0;
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assert (indent_level >= 0);
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}
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void MSG_LOG::vprintf(int kind, const char* format, va_list va) {
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char buf[256];
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const char* now_timestamp = time_to_string(time(0));
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if (!v_message_wanted(kind)) return;
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if (pid) {
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sprintf(buf, " [PID=%-5d]", pid);
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} else {
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buf[0] = 0;
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}
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fprintf(output, "%s%s [%s]%s ", now_timestamp, buf, v_format_kind(kind), spaces);
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vfprintf(output, format, va);
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}
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// break a multi-line string into lines (so that we show prefix on each line)
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//
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void MSG_LOG::vprintf_multiline(
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int kind, const char* str, const char* prefix_format, va_list va
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) {
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if (!v_message_wanted(kind)) return;
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if (str == NULL) return;
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char sprefix[256] = "";
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if (prefix_format) {
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vsprintf(sprefix, prefix_format, va);
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}
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const char* now_timestamp = time_to_string(time(0));
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const char* skind = v_format_kind(kind);
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string line;
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while (*str) {
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if (*str == '\n') {
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fprintf(output, "%s [%s]%s %s%s\n", now_timestamp, skind, spaces, sprefix, line.c_str());
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line.erase();
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} else {
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line += *str;
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}
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++str;
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}
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if (!line.empty()) {
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fprintf(output, "%s %s[%s] %s%s\n", now_timestamp, spaces, skind, sprefix, line.c_str());
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}
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}
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void MSG_LOG::vprintf_file(
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int kind, const char* filename, const char* prefix_format, va_list va
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) {
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if (!v_message_wanted(kind)) return;
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char sprefix[256] = "";
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if (prefix_format) {
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vsprintf(sprefix, prefix_format, va);
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}
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const char* now_timestamp = time_to_string(time(0));
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const char* skind = v_format_kind(kind);
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FILE* f = fopen(filename, "r");
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if (!f) return;
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char buf[256];
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while (fgets(buf, 256, f)) {
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fprintf(output, "%s [%s]%s %s%s\n", now_timestamp, skind, spaces, sprefix, buf);
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}
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fclose(f);
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}
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void MSG_LOG::printf(int kind, const char* format, ...) {
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va_list va;
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va_start(va, format);
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vprintf(kind, format, va);
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va_end(va);
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}
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void MSG_LOG::printf_multiline(
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int kind, const char* str, const char* prefix_format, ...
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) {
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va_list va;
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va_start(va, prefix_format);
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vprintf_multiline(kind, str, prefix_format, va);
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va_end(va);
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}
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void MSG_LOG::printf_file(
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int kind, const char* filename, const char* prefix_format, ...
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) {
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va_list va;
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va_start(va, prefix_format);
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vprintf_file(kind, filename, prefix_format, va);
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va_end(va);
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}
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// These SCOPE_MSG_LOG functions are utility functions that call their
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// corresponding MSG_LOG functions with the same name, passing the KIND that
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// was specified on creation of the SCOPE_MSG_LOG object.
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void SCOPE_MSG_LOG::printf(const char* format, ...) {
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va_list va;
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va_start(va, format);
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messages.vprintf(kind, format, va);
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va_end(va);
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}
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void SCOPE_MSG_LOG::printf_multiline(
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const char* str, const char* prefix_format, ...
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) {
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va_list va;
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va_start(va, prefix_format);
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messages.vprintf_multiline(kind, str, prefix_format, va);
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va_end(va);
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}
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void SCOPE_MSG_LOG::printf_file(
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const char* filename, const char* prefix_format, ...
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) {
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va_list va;
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va_start(va, prefix_format);
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messages.vprintf_file(kind, filename, prefix_format, va);
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va_end(va);
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}
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const char *BOINC_RCSID_2e9a7d8610 = "$Id$";
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