Function CheckCacheable

plugins/generator/generator.cc:735–746

Little helper function, to turn off the cache on requests which aren't cacheable to begin with. This helps performance, a lot.

// Little helper function, to turn off the cache on requests which aren't cacheable to begin with.
// This helps performance, a lot.
static void
CheckCacheable(TSHttpTxn txnp, TSMLoc url, TSMBuffer bufp)
{
  int         pathsz = 0;
  const char *path   = TSUrlPathGet(bufp, url, &pathsz);

  if (path && (pathsz >= 8) && (0 == memcmp(path, "nocache/", 8))) {
    // It's not cacheable, so, turn off the cache. This avoids major serialization and performance issues.
    VDEBUG("turning off the cache, uncacheable");
    TSHttpTxnConfigIntSet(txnp, TS_CONFIG_HTTP_CACHE_HTTP, 0);
  }
}

// Handle events that occur on the TSHttpTxn.
static int