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/**
* @file broker.cc
* @brief Implementation of the Broker class
* @author Andreas Aardal Hanssen
* @date 2002-2005
*/
#include "broker.h"
#include "convert.h"
#include "operators.h"
#include "recursivedescent.h"
#include "session.h"
#include <map>
#include <string>
using namespace Binc;
using std::string;
BrokerFactory::BrokerFactory()
{
brokers[Session::State::NONAUTHENTICATED] = new Broker();
brokers[Session::State::AUTHENTICATED] = new Broker();
brokers[Session::State::SELECTED] = new Broker();
}
BrokerFactory::~BrokerFactory()
{
for (auto &[_, second] : brokers)
delete second;
}
BrokerFactory &BrokerFactory::getInstance()
{
static BrokerFactory brokerfactory;
return brokerfactory;
}
void BrokerFactory::addCapability(const std::string &c)
{
for (const auto &[_, second] : brokers) {
auto o = dynamic_cast<CapabilityOperator *>(second->get("CAPABILITY"));
if (o != nullptr) {
o->addCapability(c);
break;
}
}
}
void BrokerFactory::assign(const string &fname, Operator *o)
{
int deletable = true;
for (const auto &[first, second] : brokers) {
if (first & o->getState()) {
second->assign(fname, o, deletable);
deletable = false;
}
}
}
Operator *BrokerFactory::getOperator(Session::State state, const string &name) const
{
if (brokers.find(state) == brokers.end())
return nullptr;
else
return brokers.find(state)->second->get(name);
}
Broker *BrokerFactory::getBroker(Session::State state)
{
auto it = brokers.find(state);
if (it == brokers.end()) {
setLastError("No appropriate broker for state.");
return nullptr;
}
return it->second;
}
void Broker::assign(const string &fname, Operator *o, bool deletable)
{
deletables[fname] = deletable;
operators[fname] = o;
}
Operator *Broker::get(const string &name) const
{
if (operators.find(name) == operators.end()) return nullptr;
return operators.find(name)->second;
}
Parser::ParseResult Broker::parseStub(Request &command)
{
constexpr auto ACCEPT = Parser::ParseResult::ACCEPT;
constexpr auto REJECT = Parser::ParseResult::REJECT;
constexpr auto ERROR = Parser::ParseResult::ERROR;
constexpr auto TIMEOUT = Parser::ParseResult::TIMEOUT;
Session &session = Session::getInstance();
string tag;
string cmd;
switch (expectTag(tag)) {
case ACCEPT:
break;
case REJECT:
session.setLastError("Syntax error; first token must be a tag");
[[fallthrough]];
case ERROR:
return ERROR;
case TIMEOUT:
return TIMEOUT;
}
switch (expectSPACE()) {
case ACCEPT:
break;
case REJECT:
session.setLastError("Syntax error; second token must be a SPACE");
[[fallthrough]];
case ERROR:
return ERROR;
case TIMEOUT:
return TIMEOUT;
}
switch (expectAstring(cmd)) {
case ACCEPT:
break;
case REJECT:
session.setLastError("Syntax error; third token must be a command");
[[fallthrough]];
case ERROR:
return ERROR;
case TIMEOUT:
return TIMEOUT;
}
uppercase(cmd);
if (cmd == "UID") {
command.setUidMode();
switch (expectSPACE()) {
case ACCEPT:
break;
case REJECT:
session.setLastError("Syntax error; after UID there must come a SPACE");
[[fallthrough]];
case ERROR:
return ERROR;
case TIMEOUT:
return TIMEOUT;
}
switch (expectAstring(cmd)) {
case ACCEPT:
break;
case REJECT:
session.setLastError("Syntax error; after UID SPACE there must come a command");
[[fallthrough]];
case ERROR:
return ERROR;
case TIMEOUT:
return TIMEOUT;
}
uppercase(cmd);
}
command.setTag(tag);
command.setName(cmd);
return ACCEPT;
}
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