///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2008-2012 Artyom Beilis (Tonkikh)
//
// See accompanying file COPYING.TXT file for licensing details.
//
///////////////////////////////////////////////////////////////////////////////
#define CPPCMS_SOURCE
#include
#include
#include "cache_storage.h"
#include "base_cache.h"
#include
#ifndef CPPCMS_NO_TCP_CACHE
#include "cache_over_ip.h"
#endif
#include
namespace cppcms {
struct cache_pool::_data {
booster::intrusive_ptr<:base_cache> module;
};
cache_pool::cache_pool(json::value const &settings) :
d(new _data())
{
std::string type = settings.get("cache.backend","none");
#ifndef CPPCMS_NO_CACHE
if(type=="thread_shared") {
if(settings.get("service.worker_processes",0)>1)
throw cppcms_error(
"Can't use `thread_shared' backend with more then one process ether set "
"service.worker_processes to 0 or 1 or use cache.backend=\"process_shared\"");
unsigned items = settings.get("cache.limit",64);
d->module=impl::thread_cache_factory(items);
}
else if(type=="process_shared") {
#if defined(CPPCMS_WIN32)
throw cppcms_error("The 'process_shared' backend is not supported under MS Windows and Cygwin platforms");
#elif defined(CPPCMS_NO_PREFOK_CACHE)
throw cppcms_error("The 'process_shared' backend is disabled during build procedure");
#else // has prefork cache
size_t memory = settings.get("cache.memory",16384);
if(memory < 512)
throw cppcms_error("'process_shared' cache backend requires at least 512 KB of cache memory: cache.memory >= 512");
unsigned items = settings.get("cache.limit",memory);
d->module=impl::process_cache_factory(memory*1024,items);
#endif // prefork cache
}
else
#endif // no cache
if(type != "none" ) {
throw cppcms_error("Unsupported cache backend `" + type + "'");
}
#ifndef CPPCMS_NO_TCP_CACHE
if(settings.find("cache.tcp").type()==json::is_object) {
std::vector<:string> ips=settings.get<:vector> >("cache.tcp.ips");
std::vector ports = settings.get<:vector> >("cache.tcp.ports");
if(ips.empty() || ports.empty() || ips.size()!=ports.size()) {
throw cppcms_error("Invalid settings in cache.tcp.ports or cache.tcp.ips");
}
booster::intrusive_ptr<:base_cache> l1=d->module;
d->module=impl::tcp_cache_factory(ips,ports,l1);
}
#endif // no tcp cace
}
cache_pool::~cache_pool()
{
}
booster::intrusive_ptr<:base_cache> cache_pool::get()
{
return d->module;
}
} // cppcms