blob: 5bec57926f998e63e18c6b032370168301d00524 [file] [log] [blame]
#include "extensions/openpower-pels/data_interface.hpp"
#include "extensions/openpower-pels/host_interface.hpp"
#include <fcntl.h>
#include <filesystem>
#include <sdeventplus/source/io.hpp>
#include <gmock/gmock.h>
namespace openpower
{
namespace pels
{
class MockDataInterface : public DataInterfaceBase
{
public:
MockDataInterface()
{
}
MOCK_METHOD(std::string, getMachineTypeModel, (), (const override));
MOCK_METHOD(std::string, getMachineSerialNumber, (), (const override));
MOCK_METHOD(std::string, getServerFWVersion, (), (const override));
MOCK_METHOD(std::string, getBMCFWVersion, (), (const override));
void changeHostState(bool newState)
{
setHostState(newState);
}
void setHMCManaged(bool managed)
{
_hmcManaged = managed;
}
};
/**
* @brief The mock HostInterface class
*
* This replaces the PLDM calls with a FIFO for the asynchronous
* responses.
*/
class MockHostInterface : public HostInterface
{
public:
/**
* @brief Constructor
*
* @param[in] event - The sd_event object
* @param[in] dataIface - The DataInterface class
*/
MockHostInterface(sd_event* event, DataInterfaceBase& dataIface) :
HostInterface(event, dataIface)
{
char templ[] = "/tmp/cmdfifoXXXXXX";
std::filesystem::path dir = mkdtemp(templ);
_fifo = dir / "fifo";
}
/**
* @brief Destructor
*/
virtual ~MockHostInterface()
{
std::filesystem::remove_all(_fifo.parent_path());
}
MOCK_METHOD(CmdStatus, sendNewLogCmd, (uint32_t, uint32_t), (override));
/**
* @brief Cancels waiting for a command response
*/
virtual void cancelCmd() override
{
_inProgress = false;
_source = nullptr;
}
/**
* @brief Returns the amount of time to wait before retrying after
* a failed send command.
*
* @return milliseconds - The amount of time to wait
*/
virtual std::chrono::milliseconds getSendRetryDelay() const override
{
return std::chrono::milliseconds(2);
}
/**
* @brief Returns the amount of time to wait before retrying after
* a command receive.
*
* @return milliseconds - The amount of time to wait
*/
virtual std::chrono::milliseconds getReceiveRetryDelay() const override
{
return std::chrono::milliseconds(2);
}
/**
* @brief Returns the amount of time to wait before retrying if the
* host firmware's PEL storage was full and it can't store
* any more logs until it is freed up somehow.
*
* @return milliseconds - The amount of time to wait
*/
virtual std::chrono::milliseconds getHostFullRetryDelay() const override
{
return std::chrono::milliseconds(20);
}
/**
* @brief Returns the number of commands processed
*/
size_t numCmdsProcessed() const
{
return _cmdsProcessed;
}
/**
* @brief Writes the data passed in to the FIFO
*
* @param[in] hostResponse - use a 0 to indicate success
*
* @return CmdStatus - success or failure
*/
CmdStatus send(uint8_t hostResponse)
{
// Create a FIFO once.
if (!std::filesystem::exists(_fifo))
{
if (mkfifo(_fifo.c_str(), 0622))
{
ADD_FAILURE() << "Failed mkfifo " << _fifo << strerror(errno);
exit(-1);
}
}
// Open it and register the reponse callback to
// be used on FD activity.
int fd = open(_fifo.c_str(), O_NONBLOCK | O_RDWR);
EXPECT_TRUE(fd >= 0) << "Unable to open FIFO";
auto callback = [this](sdeventplus::source::IO& source, int fd,
uint32_t events) {
this->receive(source, fd, events);
};
try
{
_source = std::make_unique<sdeventplus::source::IO>(
_event, fd, EPOLLIN,
std::bind(callback, std::placeholders::_1,
std::placeholders::_2, std::placeholders::_3));
}
catch (std::exception& e)
{
ADD_FAILURE() << "Event exception: " << e.what();
close(fd);
return CmdStatus::failure;
}
// Write the fake host reponse to the FIFO
auto bytesWritten = write(fd, &hostResponse, sizeof(hostResponse));
EXPECT_EQ(bytesWritten, sizeof(hostResponse));
_inProgress = true;
return CmdStatus::success;
}
protected:
/**
* @brief Reads the data written to the fifo and then calls
* the subscriber's callback.
*
* Nonzero data indicates a command failure (for testing bad path).
*
* @param[in] source - The event source object
* @param[in] fd - The file descriptor used
* @param[in] events - The event bits
*/
void receive(sdeventplus::source::IO& source, int fd,
uint32_t events) override
{
if (!(events & EPOLLIN))
{
return;
}
_inProgress = false;
int newFD = open(_fifo.c_str(), O_NONBLOCK | O_RDONLY);
ASSERT_TRUE(newFD >= 0) << "Failed to open FIFO";
// Read the host success/failure response from the FIFO.
uint8_t data;
auto bytesRead = read(newFD, &data, sizeof(data));
EXPECT_EQ(bytesRead, sizeof(data));
close(newFD);
ResponseStatus status = ResponseStatus::success;
if (data != 0)
{
status = ResponseStatus::failure;
}
if (_responseFunc)
{
(*_responseFunc)(status);
}
// Keep account of the number of commands responses for testing.
_cmdsProcessed++;
}
private:
/**
* @brief The event source for the fifo
*/
std::unique_ptr<sdeventplus::source::IO> _source;
/**
* @brief the path to the fifo
*/
std::filesystem::path _fifo;
/**
* @brief The number of commands processed
*/
size_t _cmdsProcessed = 0;
};
} // namespace pels
} // namespace openpower