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#
# Copyright 2021 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
import re
import sys
from mako.template import Template
class Function:
def __init__(self, return_type, function_name, args):
self.name = function_name
self.does_return = return_type != "void"
self.return_type = return_type
self.arg_names = [arg[1] for arg in args]
self.rpcname = f"\"{function_name}\""
self.args = [" ".join(arg) for arg in args]
self.has_rpcprefix = False
def enable_rpcprefix(self):
self.rpcname = f"_rpc_prefix + \"{self.name}\""
self.has_rpcprefix = True
class Interface:
def __init__(self, basename, functions, has_rpcprefix=False):
self.basename = basename
self.functions = functions
self.has_rpcprefix = has_rpcprefix
if has_rpcprefix:
for fn in self.functions:
fn.enable_rpcprefix()
def fn_from_string(function_string):
m = re.match(r"^([a-zA-Z:<>,_0-9 ]+)\s+([a-zA-Z0-9_]+)\(([a-zA-Z0-9,_:&<> ]*)\)$", function_string)
return_type = m.group(1)
function_name = m.group(2)
args = m.group(3)
args = [arg.strip() for arg in args.split(",")]
args = [arg.split(" ") for arg in args if len(arg) > 0]
args = [(" ".join(arg[:-1]), arg[-1]) for arg in args]
return Function(return_type, function_name, args)
IFACES = [
Interface("mpmd_rpc", [
fn_from_string("size_t get_num_timekeepers()"),
fn_from_string("std::vector<std::string> get_mb_sensors()"),
fn_from_string("sensor_value_t::sensor_map_t get_mb_sensor(const std::string& sensor)"),
fn_from_string("std::vector<std::string> get_gpio_banks()"),
fn_from_string("std::vector<std::string> get_gpio_srcs(const std::string& bank)"),
fn_from_string("bool supports_feature(const std::string& feature)"),
fn_from_string("void set_tick_period(size_t tick_index, uint64_t period_ns)"),
fn_from_string("uint64_t get_timekeeper_time(size_t timekeeper_idx, bool last_pps)"),
fn_from_string("void set_timekeeper_time(size_t timekeeper_idx, uint64_t ticks, bool last_pps)"),
fn_from_string("void set_time_source(const std::string& source)"),
fn_from_string("std::string get_time_source()"),
fn_from_string("std::vector<std::string> get_time_sources()"),
fn_from_string("void set_clock_source(const std::string& source)"),
fn_from_string("std::string get_clock_source()"),
fn_from_string("std::vector<std::string> get_clock_sources()"),
Function("void", "set_sync_source", [("const std::map<std::string, std::string>&", "source")]),
fn_from_string("std::map<std::string, std::string> get_sync_source()"),
fn_from_string("std::vector<std::map<std::string, std::string>> get_sync_sources()"),
fn_from_string("void set_clock_source_out(bool enb)"),
fn_from_string("void set_trigger_io(const std::string& direction)"),
fn_from_string("std::map<std::string, std::string> get_mb_eeprom()"),
fn_from_string("std::vector<std::string> get_gpio_src(const std::string& bank)"),
fn_from_string("void set_gpio_src(const std::string& bank, const std::vector<std::string>& src)"),
]),
]
COMMON_TMPL = """<% import time %>\
/***********************************************************************
* This file was generated by ${file} on ${time.strftime("%c")}
**********************************************************************/
//
// Copyright 2021 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#pragma once
#include <uhd/types/sensors.hpp>
#include <uhdlib/utils/rpc.hpp>
#include <stddef.h>
#include <memory>
#include <string>
#include <vector>
namespace uhd { namespace usrp {
%for iface in ifaces:
class ${iface.basename}_iface {
public:
using sptr = std::shared_ptr<${iface.basename}_iface>;
virtual ~${iface.basename}_iface() = default;
%for function in iface.functions:
virtual ${function.return_type} ${function.name}(${",".join(function.args)}) = 0;
%endfor
// Deprecated
virtual uhd::rpc_client::sptr get_raw_rpc_client() = 0;
};
class ${iface.basename} : public ${iface.basename}_iface {
public:
%if iface.has_rpcprefix:
${iface.basename}(uhd::rpc_client::sptr rpc, const std::string& rpc_prefix) : _rpcc(rpc), _rpc_prefix(rpc_prefix) {}
%else:
${iface.basename}(uhd::rpc_client::sptr rpc) : _rpcc(rpc) {}
%endif
%for function in iface.functions:
${function.return_type} ${function.name}(${",".join(function.args)}) override
{
%if function.does_return:
return _rpcc->request_with_token<${function.return_type}>(${",".join([function.rpcname] + function.arg_names)});
%else:
_rpcc->notify_with_token(${",".join([function.rpcname] + function.arg_names)});
%endif
}
%endfor
// Deprecated
uhd::rpc_client::sptr get_raw_rpc_client() override { return _rpcc; }
private:
uhd::rpc_client::sptr _rpcc;
%if iface.has_rpcprefix:
const std::string _rpc_prefix;
%endif
};
%endfor
}}
"""
def parse_tmpl(_tmpl_text, **kwargs):
return Template(_tmpl_text).render(**kwargs)
if __name__ == '__main__':
out_file = sys.argv[1]
code = parse_tmpl(COMMON_TMPL,
ifaces=IFACES,
file=__file__,
)
with open(out_file, 'w') as f:
f.write(code)
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