src/store_log.cc

   1
   2 #include "squid.h"
   3
   4 static char *storeLogTags[] =
   5 {
   6     "CREATE",
   7     "SWAPIN",
   8     "SWAPOUT",
   9     "RELEASE"
  10 };
  11
  12 static int storelog_fd = -1;
  13
  14 void
  15 storeLog(int tag, const StoreEntry * e)
  16 {
  17     LOCAL_ARRAY(char, logmsg, MAX_URL << 1);
  18     MemObject *mem = e->mem_obj;
  19     HttpReply *reply;
  20     if (storelog_fd < 0)
  21         return;
  22     if (mem == NULL)
  23         return;
  24     if (mem->log_url == NULL) {
  25         debug(20, 1) ("storeLog: NULL log_url for %s\n", mem->url);
  26         storeMemObjectDump(mem);
  27         mem->log_url = xstrdup(mem->url);
  28     }
  29     reply = mem->reply;
  30     snprintf(logmsg, MAX_URL << 1, "%9d.%03d %-7s %08X %4d %9d %9d %9d %s %d/%d %s %s\n",
  31         (int) current_time.tv_sec,
  32         (int) current_time.tv_usec / 1000,
  33         storeLogTags[tag],
  34         e->swap_file_number,
  35         reply->sline.status,
  36         (int) reply->date,
  37         (int) reply->last_modified,
  38         (int) reply->expires,
  39         strBuf(reply->content_type) ? strBuf(reply->content_type) : "unknown",
  40         reply->content_length,
  41         (int) (mem->inmem_hi - mem->reply->hdr_sz),
  42         RequestMethodStr[mem->method],
  43         mem->log_url);
  44     file_write(storelog_fd,
  45         -1,
  46         xstrdup(logmsg),
  47         strlen(logmsg),
  48         NULL,
  49         NULL,
  50         xfree);
  51 }
  52
  53 void
  54 storeLogRotate(void)
  55 {
  56     char *fname = NULL;
  57     int i;
  58     LOCAL_ARRAY(char, from, MAXPATHLEN);
  59     LOCAL_ARRAY(char, to, MAXPATHLEN);
  60 #ifdef S_ISREG
  61     struct stat sb;
  62 #endif
  63
  64     if (storelog_fd > -1) {
  65         file_close(storelog_fd);
  66         storelog_fd = -1;
  67     }
  68     if ((fname = Config.Log.store) == NULL)
  69         return;
  70     if (strcmp(fname, "none") == 0)
  71         return;
  72 #ifdef S_ISREG
  73     if (stat(fname, &sb) == 0)
  74         if (S_ISREG(sb.st_mode) == 0)
  75             return;
  76 #endif
  77
  78     debug(20, 1) ("storeLogRotate: Rotating.\n");
  79
  80     /* Rotate numbers 0 through N up one */
  81     for (i = Config.Log.rotateNumber; i > 1;) {
  82         i--;
  83         snprintf(from, MAXPATHLEN, "%s.%d", fname, i - 1);
  84         snprintf(to, MAXPATHLEN, "%s.%d", fname, i);
  85         rename(from, to);
  86     }
  87     /* Rotate the current log to .0 */
  88     if (Config.Log.rotateNumber > 0) {
  89         snprintf(to, MAXPATHLEN, "%s.%d", fname, 0);
  90         rename(fname, to);
  91     }
  92     storelog_fd = file_open(fname, O_WRONLY | O_CREAT, NULL, NULL, NULL);
  93     if (storelog_fd < 0) {
  94         debug(50, 0) ("storeLogRotate: %s: %s\n", fname, xstrerror());
  95         debug(20, 1) ("Store logging disabled\n");
  96     }
  97 }
  98
  99 void
 100 storeLogClose(void)
 101 {
 102     if (storelog_fd >= 0)
 103         file_close(storelog_fd);
 104 }
 105
 106 void
 107 storeLogOpen(void)
 108 {
 109     if (strcmp(Config.Log.store, "none") == 0)
 110         storelog_fd = -1;
 111     else
 112         storelog_fd = file_open(Config.Log.store,
 113             O_WRONLY | O_CREAT,
 114             NULL,
 115             NULL,
 116             NULL);
 117     if (storelog_fd < 0)
 118         debug(20, 1) ("Store logging disabled\n");
 119 }