error.h

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/*
 * Copyright 2015 Ettus Research LLC
 * Copyright 2018 Ettus Research, a National Instruments Company
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#pragma once
 
#include <stdlib.h>
 
 
typedef enum {
 
    UHD_ERROR_NONE = 0,
    UHD_ERROR_INVALID_DEVICE = 1,
 
    UHD_ERROR_INDEX = 10,
    UHD_ERROR_KEY = 11,
 
    UHD_ERROR_NOT_IMPLEMENTED = 20,
    UHD_ERROR_USB = 21,
 
    UHD_ERROR_IO = 30,
    UHD_ERROR_OS = 31,
 
    UHD_ERROR_ASSERTION = 40,
    UHD_ERROR_LOOKUP = 41,
    UHD_ERROR_TYPE = 42,
    UHD_ERROR_VALUE = 43,
    UHD_ERROR_RUNTIME = 44,
    UHD_ERROR_ENVIRONMENT = 45,
    UHD_ERROR_SYSTEM = 46,
    UHD_ERROR_EXCEPT = 47,
 
    UHD_ERROR_BOOSTEXCEPT = 60,
 
    UHD_ERROR_STDEXCEPT = 70,
 
    UHD_ERROR_UNKNOWN = 100
} uhd_error;
 
#ifdef __cplusplus
#    include <uhd/config.hpp>
#    include <uhd/exception.hpp>
 
#    include <boost/exception/diagnostic_information.hpp>
 
#    include <string>
 
UHD_API uhd_error error_from_uhd_exception(const uhd::exception* e);
 
UHD_API std::string get_c_global_error_string();
 
UHD_API void set_c_global_error_string(const std::string& msg);
 
#    define UHD_SAFE_C(...)                                              \
        try {                                                            \
            __VA_ARGS__                                                  \
        } catch (const uhd::exception& e) {                              \
            set_c_global_error_string(e.what());                         \
            return error_from_uhd_exception(&e);                         \
        } catch (const boost::exception& e) {                            \
            set_c_global_error_string(boost::diagnostic_information(e)); \
            return UHD_ERROR_BOOSTEXCEPT;                                \
        } catch (const std::exception& e) {                              \
            set_c_global_error_string(e.what());                         \
            return UHD_ERROR_STDEXCEPT;                                  \
        } catch (...) {                                                  \
            set_c_global_error_string("Unrecognized exception caught."); \
            return UHD_ERROR_UNKNOWN;                                    \
        }                                                                \
        set_c_global_error_string("None");                               \
        return UHD_ERROR_NONE;
 
#    define UHD_SAFE_C_SAVE_ERROR(h, ...)                                \
        h->last_error.clear();                                           \
        try {                                                            \
            __VA_ARGS__                                                  \
        } catch (const uhd::exception& e) {                              \
            set_c_global_error_string(e.what());                         \
            h->last_error = e.what();                                    \
            return error_from_uhd_exception(&e);                         \
        } catch (const boost::exception& e) {                            \
            set_c_global_error_string(boost::diagnostic_information(e)); \
            h->last_error = boost::diagnostic_information(e);            \
            return UHD_ERROR_BOOSTEXCEPT;                                \
        } catch (const std::exception& e) {                              \
            set_c_global_error_string(e.what());                         \
            h->last_error = e.what();                                    \
            return UHD_ERROR_STDEXCEPT;                                  \
        } catch (...) {                                                  \
            set_c_global_error_string("Unrecognized exception caught."); \
            h->last_error = "Unrecognized exception caught.";            \
            return UHD_ERROR_UNKNOWN;                                    \
        }                                                                \
        h->last_error = "None";                                          \
        set_c_global_error_string("None");                               \
        return UHD_ERROR_NONE;
 
extern "C" {
#endif
 
 
UHD_API uhd_error uhd_get_last_error(char* error_out, size_t strbuffer_len);
#ifdef __cplusplus
}
#endif