USRP Hardware Driver and USRP Manual  Version: 4.6.0.0
UHD and USRP Manual
graph_edge.hpp
Go to the documentation of this file.
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 
13 namespace 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_), dst_port(dst_port_), edge(edge_), is_forward_edge(fwd_edge)
38  {
39  }
40 
42  std::string src_blockid;
44  size_t src_port = 0;
46  std::string dst_blockid;
48  size_t dst_port = 0;
50  edge_t edge = DYNAMIC;
52  // are not used for sorting the graph as a DAG.
53  bool is_forward_edge = true;
54 
56  // properties.
57  bool operator==(const graph_edge_t& rhs) const
58  {
59  return is_equal(rhs, true);
60  }
61 
71  bool is_equal(const graph_edge_t& rhs, const bool match_properties = false) const
72  {
73  return (std::tie(src_blockid, src_port, dst_blockid, dst_port)
74  == std::tie(
75  rhs.src_blockid, rhs.src_port, rhs.dst_blockid, rhs.dst_port))
76  && (match_properties ? (std::tie(edge, is_forward_edge)
77  == std::tie(rhs.edge, rhs.is_forward_edge))
78  : true);
79  }
80 
82  std::string to_string() const
83  {
84  return src_blockid + ":" + std::to_string(src_port)
85  + (edge == STATIC ? "==>" : "-->") + dst_blockid + ":"
86  + std::to_string(dst_port);
87  }
88 };
89 
90 
91 }} /* namespace uhd::rfnoc */
A connection from an FPGA block to a software RX streamer.
Definition: graph_edge.hpp:27
edge_t
Definition: graph_edge.hpp:24
bool is_equal(const graph_edge_t &rhs, const bool match_properties=false) const
Definition: graph_edge.hpp:71
bool operator==(const graph_edge_t &rhs) const
Equality operator: Compare two edges if they match, including edge.
Definition: graph_edge.hpp:57
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
A static connection between two blocks in the FPGA.
Definition: graph_edge.hpp:25
Definition: build_info.hpp:12
edge_t edge
The type of edge.
Definition: graph_edge.hpp:50
bool is_forward_edge
When false, the framework will assume this is a back-edge. Back-edges.
Definition: graph_edge.hpp:53
std::string src_blockid
The ID of the source block for this edge.
Definition: graph_edge.hpp:42
std::string to_string() const
Return a string representation of the connection.
Definition: graph_edge.hpp:82
#define UHD_API
Definition: config.h:87
Definition: graph_edge.hpp:22
size_t src_port
The port number of the source block for this edge.
Definition: graph_edge.hpp:44
size_t dst_port
The port number of the destination block for this edge.
Definition: graph_edge.hpp:48
A user (dynamic) connection between two blocks in the FPGA.
Definition: graph_edge.hpp:26
std::string dst_blockid
The ID of the destination block for this edge.
Definition: graph_edge.hpp:46