USRP Hardware Driver and USRP Manual Version: 4.4.0.0+ds1-1
UHD and USRP Manual
graph_edge.hpp
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1//
2// Copyright 2019 Ettus Research, a National Instruments Brand
3//
4// SPDX-License-Identifier: GPL-3.0-or-later
5//
6
7#pragma once
8
9#include <uhd/config.hpp>
10#include <string>
11#include <tuple>
12
13namespace uhd { namespace rfnoc {
14
23{
24 enum edge_t {
28 TX_STREAM
29 };
30
31 graph_edge_t() = default;
32
33 graph_edge_t(const size_t src_port_,
34 const size_t dst_port_,
35 const edge_t edge_,
36 const bool fwd_edge)
37 : src_port(src_port_)
38 , dst_port(dst_port_)
39 , edge(edge_)
40 , is_forward_edge(fwd_edge)
41 {
42 }
43
45 std::string src_blockid;
47 size_t src_port = 0;
49 std::string dst_blockid;
51 size_t dst_port = 0;
53 edge_t edge = DYNAMIC;
55 //are not used for sorting the graph as a DAG.
56 bool is_forward_edge = true;
57
59 // properties.
60 bool operator==(const graph_edge_t& rhs) const
61 {
62 return is_equal(rhs, true);
63 }
64
74 bool is_equal(const graph_edge_t& rhs, const bool match_properties = false) const
75 {
76 return (std::tie(src_blockid, src_port, dst_blockid, dst_port)
77 == std::tie(
78 rhs.src_blockid, rhs.src_port, rhs.dst_blockid, rhs.dst_port))
79 && (match_properties ? (std::tie(edge, is_forward_edge)
80 == std::tie(rhs.edge, rhs.is_forward_edge))
81 : true);
82 }
83
85 std::string to_string() const
86 {
87 return src_blockid + ":" + std::to_string(src_port)
88 + (edge == STATIC ? "==>" : "-->") + dst_blockid + ":"
89 + std::to_string(dst_port);
90 }
91};
92
93
94}} /* namespace uhd::rfnoc */
#define UHD_API
Definition: config.h:87
Definition: build_info.hpp:12
Definition: graph_edge.hpp:23
std::string to_string() const
Return a string representation of the connection.
Definition: graph_edge.hpp:85
bool is_equal(const graph_edge_t &rhs, const bool match_properties=false) const
Definition: graph_edge.hpp:74
std::string dst_blockid
The ID of the destination block for this edge.
Definition: graph_edge.hpp:49
edge_t
Definition: graph_edge.hpp:24
@ DYNAMIC
A user (dynamic) connection between two blocks in the FPGA.
Definition: graph_edge.hpp:26
@ STATIC
A static connection between two blocks in the FPGA.
Definition: graph_edge.hpp:25
@ RX_STREAM
A connection from an FPGA block to a software RX streamer.
Definition: graph_edge.hpp:27
bool is_forward_edge
When false, the framework will assume this is a back-edge. Back-edges.
Definition: graph_edge.hpp:56
std::string src_blockid
The ID of the source block for this edge.
Definition: graph_edge.hpp:45
edge_t edge
The type of edge.
Definition: graph_edge.hpp:53
graph_edge_t(const size_t src_port_, const size_t dst_port_, const edge_t edge_, const bool fwd_edge)
Definition: graph_edge.hpp:33
size_t dst_port
The port number of the destination block for this edge.
Definition: graph_edge.hpp:51
bool operator==(const graph_edge_t &rhs) const
Equality operator: Compare two edges if they match, including edge.
Definition: graph_edge.hpp:60
size_t src_port
The port number of the source block for this edge.
Definition: graph_edge.hpp:47