/* * $Id: store_log.cc,v 1.35 2007/08/13 17:20:51 hno Exp $ * * DEBUG: section 20 Storage Manager Logging Functions * AUTHOR: Duane Wessels * * SQUID Web Proxy Cache http://www.squid-cache.org/ * ---------------------------------------------------------- * * Squid is the result of efforts by numerous individuals from * the Internet community; see the CONTRIBUTORS file for full * details. Many organizations have provided support for Squid's * development; see the SPONSORS file for full details. Squid is * Copyrighted (C) 2001 by the Regents of the University of * California; see the COPYRIGHT file for full details. Squid * incorporates software developed and/or copyrighted by other * sources; see the CREDITS file for full details. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. * */ #include "squid.h" #include "Store.h" #include "MemObject.h" #include "HttpReply.h" #include "CacheManager.h" static const char *storeLogTags[] = { "CREATE", "SWAPIN", "SWAPOUT", "RELEASE", "SO_FAIL", }; static int storeLogTagsCounts[STORE_LOG_SWAPOUTFAIL+1]; static OBJH storeLogTagsHist; static Logfile *storelog = NULL; void storeLog(int tag, const StoreEntry * e) { MemObject *mem = e->mem_obj; HttpReply const *reply; if (NULL == storelog) return; storeLogTagsCounts[tag]++; if (mem != NULL) { if (mem->log_url == NULL) { debugs(20, 1, "storeLog: NULL log_url for " << mem->url); mem->dump(); mem->log_url = xstrdup(mem->url); } reply = e->getReply(); /* * XXX Ok, where should we print the dir number here? * Because if we print it before the swap file number, it'll break * the existing log format. */ logfilePrintf(storelog, "%9d.%03d %-7s %02d %08X %s %4d %9d %9d %9d %s %"PRId64"/%"PRId64" %s %s\n", (int) current_time.tv_sec, (int) current_time.tv_usec / 1000, storeLogTags[tag], e->swap_dirn, e->swap_filen, e->getMD5Text(), reply->sline.status, (int) reply->date, (int) reply->last_modified, (int) reply->expires, reply->content_type.size() ? reply->content_type.buf() : "unknown", reply->content_length, e->contentLen(), RequestMethodStr[mem->method], mem->log_url); } else { /* no mem object. Most RELEASE cases */ logfilePrintf(storelog, "%9d.%03d %-7s %02d %08X %s ? ? ? ? ?/? ?/? ? ?\n", (int) current_time.tv_sec, (int) current_time.tv_usec / 1000, storeLogTags[tag], e->swap_dirn, e->swap_filen, e->getMD5Text()); } } void storeLogRotate(void) { if (NULL == storelog) return; logfileRotate(storelog); } void storeLogClose(void) { if (NULL == storelog) return; logfileClose(storelog); storelog = NULL; } void storeLogOpen(void) { if (Config.Log.store == NULL || strcmp(Config.Log.store, "none") == 0) { debugs(20, 1, "Store logging disabled"); return; } storelog = logfileOpen(Config.Log.store, 0, 1); } void storeLogRegisterWithCacheManager(CacheManager & manager) { manager.registerAction("store_log_tags", "Histogram of store.log tags", storeLogTagsHist, 0, 1); } void storeLogTagsHist(StoreEntry *e) { int tag; for (tag = 0; tag <= STORE_LOG_SWAPOUTFAIL; tag++) { storeAppendPrintf(e, "%s %d\n", storeLogTags[tag], storeLogTagsCounts[tag]); } }