114 lines
4.1 KiB
C++
114 lines
4.1 KiB
C++
// server-side logging of events
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#include "cube.h"
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#if !defined(WIN32) && !defined(__APPLE__)
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#include <syslog.h>
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#include <signal.h>
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#define AC_USE_SYSLOG
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static const int facilities[] = { LOG_LOCAL0, LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3, LOG_LOCAL4, LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7 };
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static const int levels[] = { LOG_DEBUG, LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERR };
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#else
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static const int levels[] = { 7, 7, 6, 4, 3 };
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ENetSocket logsock = ENET_SOCKET_NULL;
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ENetAddress logdest = { ENET_HOST_ANY, 514 };
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#endif
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static const char *levelprefix[] = { "", "", "", "WARNING: ", "ERROR: " };
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static const char *levelname[] = { "DEBUG", "VERBOSE", "INFO", "WARNING", "ERROR", "DISABLED" };
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static FILE *fp = NULL;
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static string filepath, ident;
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static int facility = -1,
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#ifdef AC_USE_SYSLOG
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filethreshold = ACLOG_NUM,
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syslogthreshold = ACLOG_INFO,
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#else
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filethreshold = ACLOG_INFO,
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syslogthreshold = ACLOG_NUM,
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#endif
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consolethreshold = ACLOG_INFO;
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static bool timestamp = false, enabled = false;
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bool initlogging(const char *identity, int facility_, int consolethres, int filethres, int syslogthres, bool logtimestamp)
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{
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facility = facility_;
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timestamp = logtimestamp;
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if(consolethres >= 0) consolethreshold = min(consolethres, (int)ACLOG_NUM);
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if(filethres >= 0) filethreshold = min(filethres, (int)ACLOG_NUM);
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if(syslogthres >= 0) syslogthreshold = min(syslogthres, (int)ACLOG_NUM);
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facility &= 7;
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formatstring(ident)("AssaultCube[%s]", identity);
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if(syslogthreshold < ACLOG_NUM)
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{
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#ifdef AC_USE_SYSLOG
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openlog(ident, LOG_NDELAY, facilities[facility]);
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#else
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if((logsock = enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM)) == ENET_SOCKET_NULL || enet_address_set_host(&logdest, "localhost") < 0) syslogthreshold = ACLOG_NUM;
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#endif
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}
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formatstring(filepath)("serverlog_%s_%s.txt", timestring(true), identity);
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if(fp) { fclose(fp); fp = NULL; }
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if(filethreshold < ACLOG_NUM)
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{
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fp = fopen(filepath, "w");
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if(!fp) printf("failed to open \"%s\" for writing\n", filepath);
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}
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defformatstring(msg)("logging started: console(%s), file(%s", levelname[consolethreshold], levelname[fp ? filethreshold : ACLOG_NUM]);
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if(fp) concatformatstring(msg, ", \"%s\"", filepath);
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concatformatstring(msg, "), syslog(%s", levelname[syslogthreshold]);
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if(syslogthreshold < ACLOG_NUM) concatformatstring(msg, ", \"%s\", local%d", ident, facility);
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concatformatstring(msg, "), timestamp(%s)", timestamp ? "ENABLED" : "DISABLED");
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enabled = consolethreshold < ACLOG_NUM || fp || syslogthreshold < ACLOG_NUM;
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if(enabled) printf("%s\n", msg);
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return enabled;
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}
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void exitlogging()
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{
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if(fp) { fclose(fp); fp = NULL; }
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#ifdef AC_USE_SYSLOG
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if(syslogthreshold < ACLOG_NUM) closelog();
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#endif
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syslogthreshold = ACLOG_NUM;
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enabled = false;
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}
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bool logline(int level, const char *msg, ...)
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{
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if(!enabled) return false;
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if(level < 0 || level >= ACLOG_NUM) return false;
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defvformatstring(sf, msg, msg);
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filtertext(sf, sf, FTXT__LOG);
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bool logtocon = consolethreshold <= level, logtofile = fp && filethreshold <= level, logtosyslog = syslogthreshold <= level;
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const char *ts = timestamp ? timestring(true, "%b %d %H:%M:%S ") : "", *ld = levelprefix[level];
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char *p, *l = sf;
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do
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{ // break into single lines first
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if((p = strchr(l, '\n'))) *p = '\0';
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if(logtocon) printf("%s%s%s\n", ts, ld, l);
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if(logtofile) fprintf(fp, "%s%s%s\n", ts, ld, l);
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if(logtosyslog)
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#ifdef AC_USE_SYSLOG
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syslog(levels[level], "%s", l);
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#else
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{
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defformatstring(text)("<%d>%s: %s", (16 + facility) * 8 + levels[level], ident, l); // no TIMESTAMP, no hostname: syslog will add this
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ENetBuffer buf;
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buf.data = text;
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buf.dataLength = strlen(text);
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enet_socket_send(logsock, &logdest, &buf, 1);
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}
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#endif
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l = p + 1;
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}
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while(p);
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#ifdef _DEBUG
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if(logtocon) fflush(stdout);
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if(logtofile) fflush(fp);
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#endif
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return logtocon;
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}
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