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slsDetectorPackage/slsDetectorServers/matterhonServer/include/BaseMatterhornServer.h
T

101 lines
3.1 KiB
C++

#pragma once
#include "DetectorServer.h"
#include "TCPInterface.h"
#include "communication_funcs.h"
#include "fmt/format.h"
#include "sls/logger.h"
#include "sls/network_utils.h"
#include "sls/sls_detector_defs.h"
#include "sls/versionAPI.h"
#include <array>
#include <cstring>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
namespace sls {
/// @brief Base class for Matterhorn Server, can be used to implement a virtual
/// server for testing and actual server
template <typename DerivedServer>
class BaseMatterhornServer
: public DetectorServer<BaseMatterhornServer<DerivedServer>> {
public:
/**
* Constructor
* Starts up a Matterhorn server.
* Assembles a Matterhorn server using TCP and UDP detector interfaces
* throws an exception in case of failure
* @param port TCP/IP port number
*/
explicit BaseMatterhornServer(uint16_t port = DEFAULT_TCP_CNTRL_PORTNO)
: DetectorServer<BaseMatterhornServer<DerivedServer>>(port) {}
~BaseMatterhornServer() = default;
ReturnCode get_version(ServerInterface &socket);
ReturnCode get_detector_type(ServerInterface &socket);
ReturnCode initial_checks(ServerInterface &socket);
/**
* @brief call function corresponding to the function ID received from the
* client and send back the result
* @param function_id the function ID received from the client
* @param socket the socket to send the result back to the client
*/
ReturnCode processFunction(const detFuncs function_id,
ServerInterface &socket);
private:
static std::string getMatterhornServerVersion();
};
template <typename DerivedServer>
ReturnCode
BaseMatterhornServer<DerivedServer>::processFunction(const detFuncs function_id,
ServerInterface &socket) {
switch (function_id) {
default:
throw RuntimeError(
fmt::format("Function {} not implemented",
getFunctionNameFromEnum((enum detFuncs)function_id)));
}
}
template <typename DerivedServer>
ReturnCode
BaseMatterhornServer<DerivedServer>::get_version(ServerInterface &socket) {
auto version = getMatterhornServerVersion();
char version_cstr[MAX_STR_LENGTH]{};
strncpy(version_cstr, version.c_str(), version.size());
LOG(TLogLevel::logDEBUG) << "Matterhorn Server Version: " << version;
return static_cast<ReturnCode>(socket.sendResult(
version_cstr)); // TODO: check what would be possible return codes!!!
}
template <typename DerivedServer>
ReturnCode BaseMatterhornServer<DerivedServer>::get_detector_type(
ServerInterface &socket) {
int detectortype = slsDetectorDefs::detectorType::MATTERHORN;
return static_cast<ReturnCode>(socket.sendResult(detectortype));
}
template <typename DerivedServer>
std::string BaseMatterhornServer<DerivedServer>::getMatterhornServerVersion() {
return APIMATTERHORN;
}
template <typename DerivedServer>
ReturnCode
BaseMatterhornServer<DerivedServer>::initial_checks(ServerInterface &socket) {
return static_cast<DerivedServer *>(this)->initial_checks(socket);
}
} // namespace sls