Martino Ferrari
0be3feecc5
The chooser runs before ScopeModel exists, so declining costs no buffer and no socket. UDPSCOPE_PROBE_SOURCES=1 prints what the discovery found and exits, before gtk_init(), so the list is checkable with no display.
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
// SPDX-License-Identifier: MIT
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// SPDX-FileCopyrightText: 2026 Martino Ferrari
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#pragma once
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#include <cstdint>
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#include <string>
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namespace udpscope {
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/// Everything the command line can say. Defaults are the ones the spec names
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/// (200 MB per buffer, 10 ms trigger hold-off) unless the user overrides them.
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struct Config {
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std::string server = "127.0.0.1"; ///< IPv4 dotted quad of the stream source.
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std::uint16_t port = 8000; ///< UDP port (unicast) or TCP port (multicast).
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std::string multicast; ///< Empty selects unicast.
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std::string interface_addr; ///< Local IPv4 to join the group on; empty = default route.
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/// Whether `--server` was given. Absent, the application asks which source to open rather
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/// than silently taking the default above -- so this is "did the user choose", not "is
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/// `server` valid". The default stays a usable value for every other path.
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bool server_specified = false;
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/// Size of *each* of the two sample buffers, in megabytes. The application
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/// always allocates two identical buffers (spec item 1).
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double buffer_mb = 200.0;
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/// Largest time window the toolbar offers, in seconds. The buffer partition is
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/// sized to hold at least this much time (spec: decimation).
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double max_window_s = 600.0;
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double trigger_holdoff_s = 0.010;
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int recv_buffer_bytes = 8 * 1024 * 1024;
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/// Number of stacked plots (rows) to start with, 1..`RowSet::kMaxRows`. Only the
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/// starting point: rows are added and removed from the layout editor.
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int plots = 1;
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};
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/// Parses argv. On `--help` prints usage to stdout and exits(0); on a bad
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/// argument prints a diagnostic to stderr and exits(2).
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Config parse_args(int argc, char** argv);
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/// Writes the usage text to `out`.
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void print_usage(std::FILE* out, const char* argv0);
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} // namespace udpscope
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