type per command, binding generation macros, nix package #4

Merged
mara merged 76 commits from next into main 2025-06-28 19:28:00 +02:00
53 changed files with 4170 additions and 2384 deletions

View file

@ -30,15 +30,10 @@ jobs:
- name: build - name: build
run: cargo build run: cargo build
- name: generate bindings
run: ./generate-binding.sh
- name: check that generated files did not change
run: output=$(git status --porcelain) && [ -z "$output" ]
- name: build example -- glibc release - name: build example -- glibc release
run: cd example && make clean && make TARGET=aarch64-unknown-linux-gnu PROFILE=release run: cd example && make -r clean-all && make -r LIBC=gnu LINK=dynamic PROFILE=release
- name: build example -- glibc debug - name: build example -- glibc debug
run: cd example && make clean && make TARGET=aarch64-unknown-linux-gnu PROFILE=debug run: cd example && make -r clean-all && make -r LIBC=gnu LINK=dynamic PROFILE=debug
build-size-gnu-unstable: build-size-gnu-unstable:
runs-on: ubuntu-latest runs-on: ubuntu-latest
@ -52,5 +47,6 @@ jobs:
- name: install rust targets - name: install rust targets
run: rustup toolchain install nightly -t aarch64-unknown-linux-gnu -c rust-src --no-self-update run: rustup toolchain install nightly -t aarch64-unknown-linux-gnu -c rust-src --no-self-update
- name: build example -- glibc size-optimized - name: build example -- glibc size_optimized
run: cd example && make clean && make TARGET=aarch64-unknown-linux-gnu PROFILE=size-optimized CARGO="rustup run nightly cargo" LTO=1 run: cd example && make clean-all -r
&& make -r LIBC=gnu LINK=dynamic PROFILE=size_optimized CARGO="rustup run nightly cargo" LTO=1

3
.gitignore vendored
View file

@ -4,4 +4,5 @@ out
.direnv .direnv
.envrc .envrc
result result
mutants.* mutants.*
_out_*

382
Cargo.lock generated
View file

@ -4,15 +4,24 @@ version = 4
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@ -174,32 +137,33 @@ dependencies = [
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@ -269,15 +240,9 @@ dependencies = [
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version = "0.14.1" version = "0.15.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6bd5cfa49c73aeecb344680ffbf697abf73e0563a441b93b9723ae43867500f" checksum = "2800caad491cb44f67e5dd5b8c61ece368eecfe588155d03c7d9864acbad6919"
dependencies = [ dependencies = [
"bitvec", "bitvec",
"bzip2", "bzip2",
"flate2", "flate2",
"inherent",
"log", "log",
"once_cell", "once_cell",
"rust-lzma", "rust-lzma",
@ -430,9 +412,10 @@ dependencies = [
[[package]] [[package]]
name = "servicepoint_binding_c" name = "servicepoint_binding_c"
version = "0.14.1" version = "0.15.0"
dependencies = [ dependencies = [
"cbindgen", "env_logger",
"paste",
"servicepoint", "servicepoint",
] ]
@ -442,17 +425,11 @@ version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "strsim"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
[[package]] [[package]]
name = "syn" name = "syn"
version = "2.0.101" version = "2.0.104"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf" checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
@ -465,19 +442,6 @@ version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369" checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
[[package]]
name = "tempfile"
version = "3.19.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7437ac7763b9b123ccf33c338a5cc1bac6f69b45a136c19bdd8a65e3916435bf"
dependencies = [
"fastrand",
"getrandom",
"once_cell",
"rustix",
"windows-sys",
]
[[package]] [[package]]
name = "thiserror" name = "thiserror"
version = "2.0.12" version = "2.0.12"
@ -498,47 +462,6 @@ dependencies = [
"syn", "syn",
] ]
[[package]]
name = "toml"
version = "0.8.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "05ae329d1f08c4d17a59bed7ff5b5a769d062e64a62d34a3261b219e62cd5aae"
dependencies = [
"serde",
"serde_spanned",
"toml_datetime",
"toml_edit",
]
[[package]]
name = "toml_datetime"
version = "0.6.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3da5db5a963e24bc68be8b17b6fa82814bb22ee8660f192bb182771d498f09a3"
dependencies = [
"serde",
]
[[package]]
name = "toml_edit"
version = "0.22.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "310068873db2c5b3e7659d2cc35d21855dbafa50d1ce336397c666e3cb08137e"
dependencies = [
"indexmap",
"serde",
"serde_spanned",
"toml_datetime",
"toml_write",
"winnow",
]
[[package]]
name = "toml_write"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bfb942dfe1d8e29a7ee7fcbde5bd2b9a25fb89aa70caea2eba3bee836ff41076"
[[package]] [[package]]
name = "unicode-ident" name = "unicode-ident"
version = "1.0.18" version = "1.0.18"
@ -639,15 +562,6 @@ version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "winnow"
version = "0.7.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9fb597c990f03753e08d3c29efbfcf2019a003b4bf4ba19225c158e1549f0f3"
dependencies = [
"memchr",
]
[[package]] [[package]]
name = "wit-bindgen-rt" name = "wit-bindgen-rt"
version = "0.39.0" version = "0.39.0"

View file

@ -1,6 +1,6 @@
[package] [package]
name = "servicepoint_binding_c" name = "servicepoint_binding_c"
version = "0.14.1" version = "0.15.0"
publish = true publish = true
edition = "2021" edition = "2021"
license = "GPL-3.0-or-later" license = "GPL-3.0-or-later"
@ -8,23 +8,26 @@ description = "C bindings for the servicepoint crate."
homepage = "https://docs.rs/crate/servicepoint_binding_c" homepage = "https://docs.rs/crate/servicepoint_binding_c"
repository = "https://git.berlin.ccc.de/servicepoint/servicepoint" repository = "https://git.berlin.ccc.de/servicepoint/servicepoint"
readme = "README.md" readme = "README.md"
links = "servicepoint"
keywords = ["cccb", "cccb-servicepoint", "cbindgen"] keywords = ["cccb", "cccb-servicepoint", "cbindgen"]
[lib] [lib]
crate-type = ["staticlib", "cdylib", "rlib"] crate-type = ["staticlib", "cdylib", "rlib"]
[build-dependencies]
cbindgen = "0.28.0"
[dependencies.servicepoint] [dependencies.servicepoint]
package = "servicepoint" version = "0.15.1"
version = "0.14.1"
default-features = false default-features = false
[dependencies.env_logger]
version = "0.11.8"
optional = true
[dependencies]
paste = "1.0.15"
[features] [features]
all_compressions = ["servicepoint/all_compressions"] all_compressions = ["servicepoint/all_compressions"]
default = ["all_compressions", "servicepoint/default"] default = ["all_compressions", "servicepoint/default", "env_logger"]
env_logger = ["dep:env_logger"]
[lints.rust] [lints.rust]
missing-docs = "warn" missing-docs = "warn"
@ -36,7 +39,7 @@ missing_safety_doc = "allow"
[package.metadata.docs.rs] [package.metadata.docs.rs]
all-features = true all-features = true
[profile.size-optimized] [profile.size_optimized]
inherits = "release" inherits = "release"
opt-level = 'z' # Optimize for size opt-level = 'z' # Optimize for size
lto = true # Enable link-time optimization lto = true # Enable link-time optimization

View file

@ -1,9 +1,11 @@
# servicepoint_binding_c # servicepoint_binding_c
[![Release](https://git.berlin.ccc.de/servicepoint/servicepoint_binding_c/badges/release.svg)](https://git.berlin.ccc.de/servicepoint/servicepoint_binding_c/releases)
[![crates.io](https://img.shields.io/crates/v/servicepoint_binding_c.svg)](https://crates.io/crates/servicepoint) [![crates.io](https://img.shields.io/crates/v/servicepoint_binding_c.svg)](https://crates.io/crates/servicepoint)
[![Crates.io Total Downloads](https://img.shields.io/crates/d/servicepoint_binding_c)](https://crates.io/crates/servicepoint) [![Crates.io Total Downloads](https://img.shields.io/crates/d/servicepoint_binding_c)](https://crates.io/crates/servicepoint)
[![docs.rs](https://img.shields.io/docsrs/servicepoint_binding_c)](https://docs.rs/servicepoint/latest/servicepoint/) [![docs.rs](https://img.shields.io/docsrs/servicepoint_binding_c)](https://docs.rs/servicepoint/latest/servicepoint/)
[![GPLv3 licensed](https://img.shields.io/crates/l/servicepoint_binding_c)](./LICENSE) [![GPLv3 licensed](https://img.shields.io/crates/l/servicepoint_binding_c)](./LICENSE)
[![CI](https://git.berlin.ccc.de/servicepoint/servicepoint_binding_c/badges/workflows/rust.yml/badge.svg)](https://git.berlin.ccc.de/servicepoint/servicepoint_binding_c)
In [CCCB](https://berlin.ccc.de/), there is a big pixel matrix hanging on the wall. In [CCCB](https://berlin.ccc.de/), there is a big pixel matrix hanging on the wall.
It is called "Service Point Display" or "Airport Display". It is called "Service Point Display" or "Airport Display".
@ -12,7 +14,7 @@ This crate contains C bindings for the [servicepoint](https://git.berlin.ccc.de/
## Examples ## Examples
```c++ ```c
#include <stdio.h> #include <stdio.h>
#include "servicepoint.h" #include "servicepoint.h"

View file

@ -1,35 +0,0 @@
//! Build script generating the header for the `servicepoint` C library.
//!
//! When the environment variable `SERVICEPOINT_HEADER_OUT` is set, the header is copied there from
//! the out directory. This can be used to use the build script as a command line tool from other
//! build tools.
use std::{env, fs::copy};
fn main() {
let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
println!("cargo::rerun-if-changed={crate_dir}");
let config =
cbindgen::Config::from_file(crate_dir.clone() + "/cbindgen.toml")
.unwrap();
let output_dir = env::var("OUT_DIR").unwrap();
let header_file = output_dir.clone() + "/servicepoint.h";
if let Ok(bindings) = cbindgen::generate_with_config(crate_dir, config) {
bindings.write_to_file(&header_file);
println!("cargo:include={output_dir}");
println!("cargo::rerun-if-env-changed=SERVICEPOINT_HEADER_OUT");
if let Ok(header_out) = env::var("SERVICEPOINT_HEADER_OUT") {
let header_copy = header_out + "/servicepoint.h";
println!("cargo:warning=Copying header to {header_copy}");
copy(header_file, &header_copy).unwrap();
println!("cargo::rerun-if-changed={header_copy}");
}
} else {
eprintln!("cargo:warning=Servicepoint header could not be generated");
}
}

View file

@ -16,27 +16,28 @@ line_endings = "LF"
############################# Codegen Options ################################## ############################# Codegen Options ##################################
style = "type" style = "both"
usize_is_size_t = true usize_is_size_t = true
# this is needed because otherwise the order in the C bindings is different on different machines # this is needed because otherwise the order in the C bindings is different on different machines
sort_by = "Name" sort_by = "Name"
include_guard = "SERVICEPOINT_BINDINGS_C"
[parse] [parse]
parse_deps = true parse_deps = true
include = ["servicepoint", "std"] include = ["servicepoint", "std"]
extra_bindings = ["servicepoint"] extra_bindings = ["servicepoint", "servicepoint_binding_c"]
[parse.expand] [parse.expand]
features = ["full"] crates = ["servicepoint_binding_c", "paste"]
features = []
[export] [export]
include = [] include = []
exclude = [] exclude = ["BitVec"]
[export.rename] [export.rename]
"SpBitVec" = "BitVec"
"SpByteSlice" = "ByteSlice"
[enum] [enum]
rename_variants = "QualifiedScreamingSnakeCase" rename_variants = "QualifiedScreamingSnakeCase"

71
devShells.nix Normal file
View file

@ -0,0 +1,71 @@
{
pkgs,
fenix,
selfPkgs,
...
}:
let
common = {
RUST_BACKTRACE = 1;
RUST_LOG = "all";
packages = with pkgs; [
gdb
nix-output-monitor
];
};
in rec {
nightly = pkgs.mkShell ( common // {
inputsFrom = [
selfPkgs.servicepoint-binding-c-nightly-release
];
packages = with pkgs; [
cargo-expand
cargo-tarpaulin
nix-output-monitor
gcc
gnumake
rustfmt
xe
libgcc
libunwind
pkgsStatic.gcc
pkgsStatic.libgcc
pkgsStatic.musl
rust-cbindgen
];
});
stable = pkgs.mkShell (common // {
inputsFrom = [
selfPkgs.servicepoint-binding-c
selfPkgs.announce
];
packages = with pkgs; [
(pkgs.symlinkJoin {
name = "rust-toolchain";
paths = with pkgs; [
rustc
cargo
rustPlatform.rustcSrc
rustPlatform.rustLibSrc
rustfmt
clippy
cargo-expand
cargo-tarpaulin
];
})
cargo-expand
cargo-tarpaulin
gcc
gnumake
xe
libgcc
libunwind
pkgsStatic.gcc
pkgsStatic.libgcc
pkgsStatic.musl
];
RUST_SRC_PATH = "${pkgs.rustPlatform.rustLibSrc}";
});
default = stable;
}

View file

@ -1,129 +1,121 @@
# based on https://make.mad-scientist.net/papers/multi-architecture-builds/
_libc := $(if $(LIBC),$(LIBC),gnu)
ifeq (,$(filter gnu musl,$(_libc)))
_link_type := $(error "LIBC has to be set to one of: gnu, musl")
endif
_link_type := $(if $(LINK),$(LINK),dynamic)
ifeq (,$(filter dynamic static,$(_link_type)))
_link_type := $(error "LINK has to be set to one of: dynamic, static")
endif
_profile := $(if $(PROFILE),$(PROFILE),release)
ifeq (,$(filter release debug size_optimized,$(_profile)))
_profile := $(error "PROFILE has to be set to one of: debug, release, size_optimized")
endif
ARCH ?= $(shell uname -m)
RUST_TARGET := $(ARCH)-unknown-linux-$(_libc)
#----- Begin Boilerplate
ifeq (,$(filter _out_%,$(notdir $(CURDIR))))
include target.mk
else
#----- End Boilerplate
VPATH = $(SRCDIR)
CARGO ?= cargo CARGO ?= cargo
STRIP ?= strip STRIP ?= strip
CC ?= gcc
FEATURES := "" FEATURES := ""#"env_logger"
THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST)))) THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
REPO_ROOT := $(realpath $(THIS_DIR)/..) REPO_ROOT := $(realpath $(THIS_DIR)/..)
export SERVICEPOINT_HEADER_OUT := $(REPO_ROOT)/include CARGO_OBJDIR := cargo/$(RUST_TARGET)/$(_profile)
override CFG_MUSL := $(if $(CFG_MUSL),$(CFG_MUSL),$(if $(MUSL),$(MUSL),0)) _rust_cli_profile := $(if $(filter $(_profile),debug),dev,$(_profile))
override CFG_PROFILE := $(if $(CFG_PROFILE),$(CFG_PROFILE),$(if $(PROFILE),$(PROFILE),release))
CCFLAGS += -Wall -fwhole-program -fPIE -pie STRIPFLAGS += -s --strip-unneeded -R .comment -R .gnu.version -R .note -R .note.gnu.build-id -R .note.ABI-tag
STRIPFLAGS := -s --strip-unneeded -R .comment -R .gnu.version -R .note -R .note.gnu.build-id -R .note.ABI-tag
ifeq ($(CFG_MUSL), 1)
TARGET ?= x86_64-unknown-linux-musl
CC ?= musl-gcc
CCFLAGS += -static -lservicepoint_binding_c
RUSTFLAGS += --crate-type=staticlib -Ctarget-feature=-crt-static
else
TARGET ?= x86_64-unknown-linux-gnu
CC ?= gcc
#CCFLAGS += -shared
CCFLAGS += -Wl,-Bstatic -lservicepoint_binding_c -Wl,-Bdynamic
endif
#ifeq ($(CFG_PROFILE), size-optimized)
# CCFLAGS += -nodefaultlibs -lc
#endif
RUST_TARGET_DIR := $(REPO_ROOT)/target/$(TARGET)/$(CFG_PROFILE)
ifeq ($(CFG_PROFILE), size-optimized)
CARGO_PROFILE := size-optimized
CCFLAGS += -Oz \
-fwrapv -fomit-frame-pointer -fno-stack-protector\
-fno-unroll-loops \
-fno-unwind-tables -fno-asynchronous-unwind-tables \
-fmerge-all-constants \
-Wl,-z,norelro \
-Wl,--hash-style=gnu \
-fvisibility=hidden \
-Bsymbolic \
-Wl,--exclude-libs,ALL \
-fno-ident \
-fno-exceptions
CARGOFLAGS += -Zbuild-std="core,std,alloc,proc_macro,panic_abort" \
-Zbuild-std-features="panic_immediate_abort"
RUSTFLAGS += -Zlocation-detail=none \
-Zfmt-debug=none \
-C link-arg=-z,norelro \
-C panic=abort
#-C link-arg=--hash-style=gnu
else ifeq ($(CFG_PROFILE), release)
CARGO_PROFILE := release
CCFLAGS += -O2
else ifeq ($(CFG_PROFILE), debug)
CCFLAGS += -Og
CARGO_PROFILE := dev
else
CFG_PROFILE := $(error "PROFILE has to be set to one of: debug, release, size-optimized")
endif
CARGOFLAGS += --manifest-path=$(REPO_ROOT)/Cargo.toml \ CARGOFLAGS += --manifest-path=$(REPO_ROOT)/Cargo.toml \
--profile=$(CARGO_PROFILE) \ --profile=$(_rust_cli_profile) \
--no-default-features \ --no-default-features \
--features=$(FEATURES) \ --features=$(FEATURES) \
--target=$(TARGET) --target=$(RUST_TARGET) \
--target-dir=cargo
ifneq ($(CFG_PROFILE), debug) STATIC_LINK_LIBS += -lservicepoint_binding_c
CCFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections _servicepoint_cflags := -I $(REPO_ROOT)/include -L $(CARGO_OBJDIR)
CFLAGS += -Wall -Wextra -pedantic -fwhole-program -fPIE -pie
_no_debug_cflags := -ffunction-sections -fdata-sections -Wl,--gc-sections
size_optimized_CFLAGS += -Oz \
-fwrapv -fomit-frame-pointer -fno-stack-protector \
-fno-unroll-loops \
-fno-unwind-tables -fno-asynchronous-unwind-tables \
-fmerge-all-constants \
-Wl,-z,norelro \
-Wl,--hash-style=gnu \
-fvisibility=hidden \
-Bsymbolic \
-Wl,--exclude-libs,ALL \
-fno-ident \
-fno-exceptions \
$(_no_debug_cflags)
release_CFLAGS += -O2 \
$(_no_debug_cflags)
debug_CFLAGS += -Og
static_CFLAGS += -static $(STATIC_LINK_LIBS)
dynamic_CFLAGS += -Wl,-Bstatic $(STATIC_LINK_LIBS) -Wl,-Bdynamic
_servicepoint_cflags := $(shell pkg-config --libs servicepoint --cflags || echo -I $(REPO_ROOT)/include -L $(CARGO_OBJDIR))
CFLAGS += $($(_libc)_CFLAGS) $($(_profile)_CFLAGS) $($(_link_type)_CFLAGS) $(_servicepoint_cflags)
ifeq ($(LTO), 1)
CFLAGS += -flto
endif
ifeq ($(_libc),gnu)
ifeq ($(_link_type),static)
CFLAGS += $(error "statically linking glibc is known to be broken")
endif
endif
size_optimized_RUSTFLAGS += -Zlocation-detail=none \
-Zfmt-debug=none \
-C link-arg=-z,norelro \
-C panic=abort \
-C link-arg=-Wl,--hash-style=gnu
static_RUSTFLAGS += --crate-type=staticlib -Ctarget-feature=+crt-static
RUSTFLAGS += $($(_libc)_RUSTFLAGS) $($(_profile)_RUSTFLAGS) $($(_link_type)_RUSTFLAGS)
ifneq ($(_profile), debug)
RUSTFLAGS += -C link-arg=-s -C link-arg=-Wl,--gc-sections RUSTFLAGS += -C link-arg=-s -C link-arg=-Wl,--gc-sections
endif endif
ifeq ($(LTO), 1) # ADD NEW EXAMPLES HERE
CCFLAGS += -flto _c_src := src/announce.c src/brightness_tester.c src/header_logger.c \
endif src/moving_line.c src/random_stuff.c src/wiping_clear.c src/undefined.c
_c_src := $(wildcard ./src/*.c)
_programs := $(basename $(notdir $(_c_src))) _programs := $(basename $(notdir $(_c_src)))
_bins := $(addprefix out/, $(_programs)) _bins := $(_programs)
_unstripped_bins := $(addsuffix _unstripped, $(_bins)) _unstripped_bins := $(addsuffix _unstripped, $(_bins))
_run_programs := $(addprefix run_, $(_programs))
_rs_src := $(wildcard ../src/**.rs) ../Cargo.lock ../Cargo.toml ../cbindgen.toml
_sp_artifacts := $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(RUST_TARGET_DIR)/libservicepoint_binding_c.a $(RUST_TARGET_DIR)/libservicepoint_binding_c.so
all: $(_bins) .SUFFIXES:
clean: clean-c clean-rust .PHONY: all build-rust
clean-c: all: build-rust $(_bins)
rm -r out || true
clean-rust: $(_unstripped_bins): %_unstripped : src/%.c src/helpers.h build-rust
rm $(SERVICEPOINT_HEADER_OUT)/servicepoint.h || true $(CC) $< $(CFLAGS) -o $@
cargo clean
.PHONY: all clean sizes $(_run_programs) clean-c clean-rust $(_bins): %: %_unstripped
$(_unstripped_bins): out/%_unstripped: src/%.c $(SERVICEPOINT_HEADER_OUT)/servicepoint.h $(_sp_artifacts)
mkdir -p out || true
$(CC) $< \
-I $(SERVICEPOINT_HEADER_OUT) \
-L $(RUST_TARGET_DIR) \
$(CCFLAGS) \
-o $@
$(_bins): out/%: out/%_unstripped
$(STRIP) $(STRIPFLAGS) $^ -o $@ $(STRIP) $(STRIPFLAGS) $^ -o $@
$(_sp_artifacts): $(_rs_src) build-rust:
mkdir -p $(SERVICEPOINT_HEADER_OUT) || true
# generate servicepoint header and library to link against # generate servicepoint header and library to link against
$(CARGO) rustc $(CARGOFLAGS) -- $(RUSTFLAGS) $(CARGO) rustc $(CARGOFLAGS) -- $(RUSTFLAGS)
$(_run_programs): run_%: out/% FORCE #----- Begin Boilerplate
./$< endif
sizes: $(_bins)
ls -lB out
analyze-size: out/$(BIN)_unstripped
nm --print-size --size-sort --reverse-sort --radix=d --demangle out/$(BIN)_unstripped \
| awk '{size=$$2+0; print size "\t" $$4}' \
| less
FORCE: ;

View file

@ -1,16 +1,9 @@
#include <stdio.h> #include "helpers.h"
#include "servicepoint.h"
int main(void) { int main(void) {
printf("test\n"); sock_init();
UdpSocket *connection = sp_udp_open_ipv4(172, 23, 42, 29, 2342); sp_udp_socket_send_header(sock, (Header) {.command_code = COMMAND_CODE_CLEAR});
//UdpSocket *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
if (connection == NULL)
return 1;
sp_udp_send_header(connection, (Header) {.command_code = COMMAND_CODE_CLEAR});
CharGrid *grid = sp_char_grid_new(5, 2); CharGrid *grid = sp_char_grid_new(5, 2);
if (grid == NULL) if (grid == NULL)
@ -27,11 +20,10 @@ int main(void) {
sp_char_grid_set(grid, 3, 1, 'l'); sp_char_grid_set(grid, 3, 1, 'l');
sp_char_grid_set(grid, 4, 1, 'd'); sp_char_grid_set(grid, 4, 1, 'd');
Packet *packet = sp_char_grid_into_packet(grid, 0, 0); Packet *packet = sp_char_grid_try_into_packet(grid, 0, 0);
if (packet == NULL) if (packet == NULL)
return 1; return 1;
sp_udp_send_packet(connection, packet); sp_udp_socket_send_packet(sock, packet);
sp_udp_free(connection);
return 0; return 0;
} }

View file

@ -1,30 +1,35 @@
#include "servicepoint.h" #include "servicepoint.h"
#include "helpers.h"
int main(void) { void enable_all_pixels(void) {
UdpSocket *connection = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
//UdpSocket *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342);
if (connection == NULL)
return -1;
Bitmap *all_on = sp_bitmap_new_max_sized(); Bitmap *all_on = sp_bitmap_new_max_sized();
sp_bitmap_fill(all_on, true); sp_bitmap_fill(all_on, true);
Packet *packet = sp_bitmap_into_packet(all_on, 0, 0, COMPRESSION_CODE_UNCOMPRESSED); BitmapCommand *bitmapCommand = sp_bitmap_command_from_bitmap(all_on);
if (packet == NULL) Packet *packet = sp_bitmap_command_try_into_packet(bitmapCommand);
return -1; if (packet != NULL)
sp_udp_socket_send_packet(sock, packet);
}
sp_udp_send_packet(connection, packet); void make_brightness_pattern(BrightnessGrid *grid) {
ByteSlice slice = sp_brightness_grid_data_ref_mut(grid);
for (size_t index = 0; index < slice.length; index++) {
slice.start[index] = (uint8_t)(index % ((size_t) Brightness_MAX));
}
}
int main(void) {
sock_init();
enable_all_pixels();
BrightnessGrid *grid = sp_brightness_grid_new(TILE_WIDTH, TILE_HEIGHT); BrightnessGrid *grid = sp_brightness_grid_new(TILE_WIDTH, TILE_HEIGHT);
make_brightness_pattern(grid);
ByteSlice slice = sp_brightness_grid_unsafe_data_ref(grid); Packet *packet = sp_brightness_grid_command_try_into_packet(sp_brightness_grid_command_from_grid(grid));
for (size_t index = 0; index < slice.length; index++) { if (packet == NULL)
slice.start[index] = (uint8_t) (index % ((size_t) Brightness_MAX)); return -2;
}
packet = sp_brightness_grid_into_packet(grid, 0, 0); sp_udp_socket_send_packet(sock, packet);
sp_udp_send_packet(connection, packet);
sp_udp_free(connection);
return 0; return 0;
} }

209
example/src/header_logger.c Normal file
View file

@ -0,0 +1,209 @@
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdbool.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <string.h>
#include <unistd.h>
#include "servicepoint.h"
#define DEFAULT_LISTEN_IP "127.0.0.1"
void handle_error(const char *msg) {
perror(msg);
exit(EXIT_FAILURE);
}
bool log_command(struct GenericCommand *command) {
switch (command->tag) {
case COMMAND_TAG_INVALID: {
printf("-> this is an invalid command\n");
break;
}
case COMMAND_TAG_HARD_RESET: {
printf("-> HardReset command - exiting\n");
return true;
}
case COMMAND_TAG_BITMAP: {
BitmapCommand *bitmapCommand = command->data.bitmap;
CompressionCode compression = sp_bitmap_command_get_compression(bitmapCommand);
size_t x, y;
sp_bitmap_command_get_origin(bitmapCommand, &x, &y);
Bitmap *bitmap = sp_bitmap_command_get_bitmap_mut(bitmapCommand);
size_t w = sp_bitmap_width(bitmap);
size_t h = sp_bitmap_height(bitmap);
printf("-> BitmapCommand with params: x=%zu, y=%zu, w=%zu, h=%zu, compression=%hu\n",
x, y, w, h, compression);
break;
}
case COMMAND_TAG_BRIGHTNESS_GRID: {
BrightnessGridCommand *gridCommand = command->data.brightness_grid;
size_t x, y;
sp_brightness_grid_command_get_origin(gridCommand, &x, &y);
BrightnessGrid *grid = sp_brightness_grid_command_get_grid_mut(gridCommand);
size_t w = sp_brightness_grid_width(grid);
size_t h = sp_brightness_grid_height(grid);
printf("-> BrightnessGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
x, y, w, h);
break;
}
case COMMAND_TAG_CHAR_GRID: {
CharGridCommand *gridCommand = command->data.char_grid;
size_t x, y;
sp_char_grid_command_get_origin(gridCommand, &x, &y);
CharGrid *grid = sp_char_grid_command_get_grid_mut(gridCommand);
size_t w = sp_char_grid_width(grid);
size_t h = sp_char_grid_height(grid);
printf("-> CharGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
x, y, w, h);
break;
}
case COMMAND_TAG_CP437_GRID: {
Cp437GridCommand *gridCommand = command->data.cp437_grid;
size_t x, y;
sp_cp437_grid_command_get_origin(gridCommand, &x, &y);
Cp437Grid *grid = sp_cp437_grid_command_get_grid_mut(gridCommand);
size_t w = sp_cp437_grid_width(grid);
size_t h = sp_cp437_grid_height(grid);
printf("-> Cp437GridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
x, y, w, h);
break;
}
case COMMAND_TAG_BIT_VEC: {
BitVecCommand *bitvecCommand = command->data.bit_vec;
size_t offset = sp_bit_vec_command_get_offset(bitvecCommand);
CompressionCode compression = sp_bit_vec_command_get_compression(bitvecCommand);
BinaryOperation operation = sp_bit_vec_command_get_operation(bitvecCommand);
char *operationText;
switch (operation) {
case BINARY_OPERATION_AND:
operationText = "and";
break;
case BINARY_OPERATION_OR:
operationText = "or";
break;
case BINARY_OPERATION_XOR:
operationText = "xor";
break;
case BINARY_OPERATION_OVERWRITE:
operationText ="overwrite";
break;
default:
operationText ="unknown";
break;
}
DisplayBitVec *bitvec = sp_bit_vec_command_get_bitvec_mut(bitvecCommand);
size_t len = sp_display_bit_vec_len(bitvec);
printf("-> BitVecCommand with params: offset=%zu, length=%zu, compression=%hu, operation=%s\n",
offset, len, compression, operationText);
break;
}
case COMMAND_TAG_CLEAR: {
printf("-> ClearCommand\n");
break;
}
case COMMAND_TAG_BITMAP_LEGACY: {
printf("-> BitmapLinearLegacy\n");
break;
}
case COMMAND_TAG_FADE_OUT:{
printf("-> FadeOutCommand\n");
break;
}
case COMMAND_TAG_GLOBAL_BRIGHTNESS: {
Brightness brightness = sp_global_brightness_command_get_brightness(command->data.global_brightness);
printf("-> GlobalBrightnessCommand with params: brightness=%hu\n", brightness);
break;
}
default: {
printf("-> unknown command tag %d\n", command->tag);
break;
}
}
return false;
}
int main(int argc, char **argv) {
//init_env_logger();
int udp_socket = socket(AF_INET, SOCK_DGRAM, 0);
if (udp_socket == -1)
handle_error("socket could not be created\n");
char *listen_addr_arg;
if (argc > 1) {
listen_addr_arg = argv[1];
} else {
listen_addr_arg = DEFAULT_LISTEN_IP;
}
struct in_addr addr;
if (inet_aton(listen_addr_arg, &addr) == 0)
handle_error("listen ip could not be parsed\n");
struct sockaddr_in sockaddrIn = {
.sin_addr = addr,
.sin_family = AF_INET,
.sin_port = htons(2342),
};
memset(sockaddrIn.sin_zero, 0, sizeof(sockaddrIn.sin_zero));
if (bind(udp_socket, (struct sockaddr *) &sockaddrIn, sizeof(sockaddrIn)) == -1)
handle_error("could not bind socket\n");
printf("socket ready to receive on %s\n", listen_addr_arg);
uint8_t buffer[10000];
bool done = false;
while (!done) {
memset(buffer, 0, sizeof(buffer));
printf("\n");
ssize_t num_bytes = recv(udp_socket, (void *) buffer, sizeof(buffer), 0);
if (num_bytes == -1)
handle_error("could not read from client");
Packet *packet = sp_packet_try_load((ByteSlice) {
.start = buffer,
.length = num_bytes,
});
if (packet == NULL) {
printf("received invalid packet\n");
continue;
}
struct Header *header = sp_packet_get_header_mut(packet);
ByteSlice payload = sp_packet_get_payload(packet);
printf("Received packet: cc=%d, a=%d, b=%d, c=%d, d=%d, payload=%p (len %zu)\n",
header->command_code, header->a, header->b, header->c, header->d,
payload.start, payload.length);
struct GenericCommand *command = sp_generic_command_try_from_packet(packet);
done = log_command(command);
sp_generic_command_free(command);
}
close(udp_socket);
exit(EXIT_SUCCESS);
}

44
example/src/helpers.h Normal file
View file

@ -0,0 +1,44 @@
#pragma once
#ifndef SERVICEPOINT_BINDING_C_MSLEEP_H
#define SERVICEPOINT_BINDING_C_MSLEEP_H
#include <time.h>
#include <errno.h>
#include <stdlib.h>
#include "servicepoint.h"
static UdpSocket *sock = NULL;
void sock_free() {
sp_udp_socket_free(sock);
}
void sock_init() {
sock = sp_udp_socket_open_ipv4(127, 0, 0, 1, 2342);
//sock = sp_udp_open_ipv4(172, 23, 42, 29, 2342);
if (sock == NULL)
exit(-1);
atexit(sock_free);
}
/// TODO: all of this for sleeping n ms? There should be a better way!
int msleep(long msec) {
if (msec < 0) {
errno = EINVAL;
return -1;
}
struct timespec ts = {
.tv_sec = msec / 1000,
.tv_nsec = (msec % 1000) * 1000000,
};
int res;
do {
res = nanosleep(&ts, &ts);
} while (res && errno == EINTR);
return res;
}
#endif //SERVICEPOINT_BINDING_C_MSLEEP_H

34
example/src/moving_line.c Normal file
View file

@ -0,0 +1,34 @@
#include "servicepoint.h"
#include "helpers.h"
int main(void) {
sock_init();
int result = 0;
Bitmap *bitmap = sp_bitmap_new_max_sized();
for (size_t x = 0; x < sp_bitmap_width(bitmap); x++) {
sp_bitmap_fill(bitmap, false);
for (size_t y = 0; y < sp_bitmap_height(bitmap); y++) {
sp_bitmap_set(bitmap, (y + x) % PIXEL_WIDTH, y, true);
}
BitmapCommand *command = sp_bitmap_command_from_bitmap(sp_bitmap_clone(bitmap));
Packet *packet = sp_bitmap_command_try_into_packet(command);
if (packet == NULL) {
result = -2;
goto exit;
}
if (!sp_udp_socket_send_packet(sock, packet)) {
result = -3;
goto exit;
}
msleep(SP_FRAME_PACING_MS);
}
exit:
sp_bitmap_free(bitmap);
return result;
}

View file

@ -1,10 +1,9 @@
#include <stdio.h> #include <stdio.h>
#include "servicepoint.h" #include "servicepoint.h"
#include "helpers.h"
int main(void) { int main(void) {
UdpSocket *connection = sp_udp_open_ipv4(127, 0, 0, 1, 2342); sock_init();
if (connection == NULL)
return 1;
Bitmap *pixels = sp_bitmap_new(PIXEL_WIDTH, PIXEL_HEIGHT); Bitmap *pixels = sp_bitmap_new(PIXEL_WIDTH, PIXEL_HEIGHT);
if (pixels == NULL) if (pixels == NULL)
@ -12,15 +11,13 @@ int main(void) {
sp_bitmap_fill(pixels, true); sp_bitmap_fill(pixels, true);
Packet *packet = sp_bitmap_into_packet(pixels, 0, 0, COMPRESSION_CODE_UNCOMPRESSED); Packet *packet = sp_bitmap_try_into_packet(pixels, 0, 0, COMPRESSION_CODE_UNCOMPRESSED);
if (packet == NULL) if (packet == NULL)
return 1; return 1;
Header *header = sp_packet_get_header(packet); Header *header = sp_packet_get_header_mut(packet);
printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d); printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d);
sp_udp_send_packet(connection, packet); sp_udp_socket_send_packet(sock, packet);
sp_udp_free(connection);
return 0; return 0;
} }

22
example/src/undefined.c Normal file
View file

@ -0,0 +1,22 @@
#include <stdio.h>
#include "servicepoint.h"
#include "helpers.h"
/// DO NOT DO ANY OF THIS!
int main(void) {
BitmapCommand *bmcmd = sp_bitmap_command_new(sp_bitmap_new_max_sized(), 0, 0, COMPRESSION_CODE_UNCOMPRESSED);
BitVecCommand *bvcmd = (BitVecCommand *) bmcmd;
sp_bit_vec_command_free(bvcmd);
uint8_t *data = calloc(1024, 1);
struct GenericCommand generic = {
.tag = COMMAND_TAG_BRIGHTNESS_GRID,
.data = {.null = data},
};
sock_init();
sp_udp_socket_send_command(sock, &generic);
return 0;
}

View file

@ -0,0 +1,34 @@
#include "servicepoint.h"
#include "helpers.h"
int main() {
sock_init();
Bitmap *enabled_pixels = sp_bitmap_new_max_sized();
sp_bitmap_fill(enabled_pixels, true);
int result = 0;
for (int x = 0; x < PIXEL_WIDTH; x++) {
for (int y = 0; y < PIXEL_HEIGHT; y++) {
sp_bitmap_set(enabled_pixels, x, y, false);
}
DisplayBitVec *bitvec = sp_bitmap_into_bitvec(sp_bitmap_clone(enabled_pixels));
BitVecCommand *command = sp_bit_vec_command_new(bitvec, 0, BINARY_OPERATION_AND, COMPRESSION_CODE_LZMA);
Packet *packet = sp_bit_vec_command_try_into_packet(command);
if (packet == NULL) {
result = -2;
goto exit;
}
if (!sp_udp_socket_send_packet(sock, packet)) {
result = -3;
goto exit;
}
msleep(SP_FRAME_PACING_MS);
}
exit:
sp_bitmap_free(enabled_pixels);
return result;
}

56
example/target.mk Normal file
View file

@ -0,0 +1,56 @@
# Based on https://make.mad-scientist.net/papers/multi-architecture-builds/
.SUFFIXES:
OBJDIR := _out_$(RUST_TARGET)-$(_link_type)-$(_profile)
# Define the rules to build in the target subdirectories.
#
MAKETARGET = $(MAKE) --no-print-directory -C $@ -f $(CURDIR)/Makefile \
SRCDIR=$(CURDIR) $(MAKECMDGOALS)
.PHONY: $(OBJDIR)
$(OBJDIR):
+@[ -d "$@" ] || mkdir -p "$@"
+@$(MAKETARGET)
# These rules keep make from trying to use the match-anything rule below to
# rebuild the makefiles--ouch! Obviously, if you don't follow my convention
# of using a `.mk' suffix on all non-standard makefiles you'll need to change
# the pattern rule.
#
Makefile : ;
%.mk :: ;
# Anything we don't know how to build will use this rule. The command is a
# do-nothing command, but the prerequisites ensure that the appropriate
# recursive invocations of make will occur.
#
% :: $(OBJDIR) ;
# The clean rule is best handled from the source directory: since we're
# rigorous about keeping the target directories containing only target files
# and the source directory containing only source files, `clean' is as trivial
# as removing the target directories!
#
.PHONY: clean clean-all help
clean:
rm -rf $(OBJDIR)
clean-all:
rm -rf _out_*
help:
@echo "You have the choice of the following parameters:"
@echo ""
@echo "Variable | Description | Default | Values"
@echo "---------+----------------------+-----------+---------------------------"
@echo "LIBC | libc to link against | 'gnu' | 'gnu' or 'musl'"
@echo "PROFILE | Optimization profile | 'release' | 'debug' or 'size_optimized'"
@echo "LINK | | 'dynamic' | 'dynamic' or 'static'"
@echo "CARGO | cargo binary to use | 'cargo' | 'rustup run nightly cargo'"
@echo "CC | C compiler to use | 'gcc' | 'musl-gcc'"
@echo "STRIP | strip command to use | 'strip' | -"
@echo ""
@echo "When building this project, each configuration will result in a separate output directory."
@echo "The target clean only removes the output directory of the specified configuration."
@echo "The target clean-all can be used to remove the builds of all configurations."

63
flake.lock generated
View file

@ -1,25 +1,80 @@
{ {
"nodes": { "nodes": {
"fenix": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"rust-analyzer-src": "rust-analyzer-src"
},
"locked": {
"lastModified": 1751006353,
"narHash": "sha256-icKFXb83uv2ezRCfuq5G8QSwCuaoLywLljSL+UGmPPI=",
"owner": "nix-community",
"repo": "fenix",
"rev": "b37f026b49ecb295a448c96bcbb0c174c14fc91b",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"nix-filter": {
"locked": {
"lastModified": 1731533336,
"narHash": "sha256-oRam5PS1vcrr5UPgALW0eo1m/5/pls27Z/pabHNy2Ms=",
"owner": "numtide",
"repo": "nix-filter",
"rev": "f7653272fd234696ae94229839a99b73c9ab7de0",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "nix-filter",
"type": "github"
}
},
"nixpkgs": { "nixpkgs": {
"locked": { "locked": {
"lastModified": 1739357830, "lastModified": 1750838302,
"narHash": "sha256-9xim3nJJUFbVbJCz48UP4fGRStVW5nv4VdbimbKxJ3I=", "narHash": "sha256-aVkL3/yu50oQzi2YuKo0ceiCypVZpZXYd2P2p1FMJM4=",
"owner": "nixos", "owner": "nixos",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "0ff09db9d034a04acd4e8908820ba0b410d7a33a", "rev": "7284e2decc982b81a296ab35aa46e804baaa1cfe",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "nixos", "owner": "nixos",
"ref": "nixos-24.11", "ref": "nixos-25.05",
"repo": "nixpkgs", "repo": "nixpkgs",
"type": "github" "type": "github"
} }
}, },
"root": { "root": {
"inputs": { "inputs": {
"fenix": "fenix",
"nix-filter": "nix-filter",
"nixpkgs": "nixpkgs" "nixpkgs": "nixpkgs"
} }
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1750871759,
"narHash": "sha256-hMNZXMtlhfjQdu1F4Fa/UFiMoXdZag4cider2R9a648=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "317542c1e4a3ec3467d21d1c25f6a43b80d83e7d",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
}
} }
}, },
"root": "root", "root": "root",

View file

@ -2,16 +2,22 @@
description = "Flake for the servicepoint library."; description = "Flake for the servicepoint library.";
inputs = { inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11"; nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
nix-filter.url = "github:numtide/nix-filter";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
}; };
outputs = outputs =
inputs@{ inputs@{
self, self,
nixpkgs, nixpkgs,
fenix,
nix-filter
}: }:
let let
lib = nixpkgs.lib;
supported-systems = [ supported-systems = [
"x86_64-linux" "x86_64-linux"
"aarch64-linux" "aarch64-linux"
@ -20,52 +26,20 @@
]; ];
forAllSystems = forAllSystems =
f: f:
lib.genAttrs supported-systems ( nixpkgs.lib.genAttrs supported-systems (
system: system:
f rec { f rec {
inherit system self;
pkgs = nixpkgs.legacyPackages.${system}; pkgs = nixpkgs.legacyPackages.${system};
inherit system; lib = pkgs.lib // nix-filter.lib;
fenix = inputs.fenix.packages.${system};
selfPkgs = self.packages.${system};
} }
); );
in in
{ {
devShells = forAllSystems ( packages = forAllSystems (import ./packages.nix);
{ pkgs, system }: devShells = forAllSystems (import ./devShells.nix);
{
default = pkgs.mkShell rec {
buildInputs = with pkgs; [
xe
xz
libgcc
libunwind
pkgsStatic.musl
];
nativeBuildInputs = with pkgs; [
(pkgs.symlinkJoin {
name = "rust-toolchain";
paths = with pkgs; [
rustc
cargo
rustPlatform.rustcSrc
rustfmt
clippy
cargo-expand
cargo-tarpaulin
];
})
gcc
gdb
pkgsStatic.gcc
gnumake
pkg-config
];
RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
};
}
);
formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style); formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
}; };
} }

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