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add sp_packet_from_parts, regenerate C header

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Vinzenz Schroeter 2024-10-20 13:34:21 +02:00
parent 66823d0676
commit b0bfd341b6
3 changed files with 190 additions and 2 deletions
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100
crates/servicepoint_binding_c/examples/lang_c/include/servicepoint.h
View file

@ -266,6 +266,8 @@ void sp_bitmap_fill(SPBitmap *bitmap, bool value);
* - `bitmap` points to a valid [SPBitmap]
* - `bitmap` is not used concurrently or after bitmap call
* - `bitmap` was not passed to another consuming function, e.g. to create a [SPCommand]
*
* servicepoint_csbindgen_consumes: bitmap
*/
void sp_bitmap_free(SPBitmap *bitmap);
@ -363,6 +365,20 @@ SPBitmap *sp_bitmap_load(size_t width,
SPBitmap *sp_bitmap_new(size_t width,
size_t height);
/**
* Creates a new [SPBitmap] with a size matching the screen.
*
* returns: [SPBitmap] initialized to all pixels off. Will never return NULL.
*
* # Safety
*
* The caller has to make sure that:
*
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_bitmap_free`.
*/
SPBitmap *sp_bitmap_new_screen_sized(void);
/**
* Sets the value of the specified position in the [SPBitmap].
*
@ -695,6 +711,8 @@ void sp_brightness_grid_fill(SPBrightnessGrid *brightness_grid, uint8_t value);
* - `brightness_grid` points to a valid [SPBrightnessGrid]
* - `brightness_grid` is not used concurrently or after this call
* - `brightness_grid` was not passed to another consuming function, e.g. to create a [SPCommand]
*
* servicepoint_csbindgen_consumes: brightness_grid
*/
void sp_brightness_grid_free(SPBrightnessGrid *brightness_grid);
@ -883,6 +901,8 @@ size_t sp_brightness_grid_width(const SPBrightnessGrid *brightness_grid);
* - `compression` matches one of the allowed enum values
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: bit_vec
*/
SPCommand *sp_command_bitmap_linear(size_t offset,
SPBitVec *bit_vec,
@ -914,6 +934,8 @@ SPCommand *sp_command_bitmap_linear(size_t offset,
* - `compression` matches one of the allowed enum values
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: bit_vec
*/
SPCommand *sp_command_bitmap_linear_and(size_t offset,
SPBitVec *bit_vec,
@ -945,6 +967,8 @@ SPCommand *sp_command_bitmap_linear_and(size_t offset,
* - `compression` matches one of the allowed enum values
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: bit_vec
*/
SPCommand *sp_command_bitmap_linear_or(size_t offset,
SPBitVec *bit_vec,
@ -971,6 +995,8 @@ SPCommand *sp_command_bitmap_linear_or(size_t offset,
* - `compression` matches one of the allowed enum values
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: bitmap
*/
SPCommand *sp_command_bitmap_linear_win(size_t x,
size_t y,
@ -1003,6 +1029,8 @@ SPCommand *sp_command_bitmap_linear_win(size_t x,
* - `compression` matches one of the allowed enum values
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: bit_vec
*/
SPCommand *sp_command_bitmap_linear_xor(size_t offset,
SPBitVec *bit_vec,
@ -1045,6 +1073,8 @@ SPCommand *sp_command_brightness(uint8_t brightness);
* - `grid` is not used concurrently or after this call
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: grid
*/
SPCommand *sp_command_char_brightness(size_t x,
size_t y,
@ -1111,6 +1141,8 @@ SPCommand *sp_command_clone(const SPCommand *command);
* - `grid` is not used concurrently or after this call
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: grid
*/
SPCommand *sp_command_cp437_data(size_t x,
size_t y,
@ -1151,6 +1183,8 @@ SPCommand *sp_command_fade_out(void);
* - `command` points to a valid [SPCommand]
* - `command` is not used concurrently or after this call
* - `command` was not passed to another consuming function, e.g. to create a [SPPacket]
*
* servicepoint_csbindgen_consumes: command
*/
void sp_command_free(SPCommand *command);
@ -1190,9 +1224,25 @@ SPCommand *sp_command_hard_reset(void);
* - the result is checked for NULL
* - the returned [SPCommand] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_free`.
*
* servicepoint_csbindgen_consumes: packet
*/
SPCommand *sp_command_try_from_packet(SPPacket *packet);
/**
* Creates a new instance of [SPConnection] for testing that does not actually send anything.
*
* returns: a new instance. Will never return NULL.
*
* # Safety
*
* The caller has to make sure that:
*
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_connection_free`.
*/
SPConnection *sp_connection_fake(void);
/**
* Closes and deallocates a [SPConnection].
*
@ -1206,11 +1256,13 @@ SPCommand *sp_command_try_from_packet(SPPacket *packet);
*
* - `connection` points to a valid [SPConnection]
* - `connection` is not used concurrently or after this call
*
* servicepoint_csbindgen_consumes: connection
*/
void sp_connection_free(SPConnection *connection);
/**
* Creates a new instance of [SPConnection].
* Creates a new instance of [SPConnection] that uses UDP to send.
*
* returns: NULL if connection fails, or connected instance
*
@ -1246,6 +1298,8 @@ SPConnection *sp_connection_open(const char *host);
* - `connection` points to a valid instance of [SPConnection]
* - `command` points to a valid instance of [SPPacket]
* - `command` is not used concurrently or after this call
*
* servicepoint_csbindgen_consumes: command
*/
bool sp_connection_send_command(const SPConnection *connection,
SPCommand *command);
@ -1269,6 +1323,8 @@ bool sp_connection_send_command(const SPConnection *connection,
* - `connection` points to a valid instance of [SPConnection]
* - `packet` points to a valid instance of [SPPacket]
* - `packet` is not used concurrently or after this call
*
* servicepoint_csbindgen_consumes: packet
*/
bool sp_connection_send_packet(const SPConnection *connection,
SPPacket *packet);
@ -1328,6 +1384,8 @@ void sp_cp437_grid_fill(SPCp437Grid *cp437_grid, uint8_t value);
* - `cp437_grid` points to a valid [SPCp437Grid]
* - `cp437_grid` is not used concurrently or after cp437_grid call
* - `cp437_grid` was not passed to another consuming function, e.g. to create a [SPCommand]
*
* servicepoint_csbindgen_consumes: cp437_grid
*/
void sp_cp437_grid_free(SPCp437Grid *cp437_grid);
@ -1502,7 +1560,7 @@ SPPacket *sp_packet_clone(const SPPacket *packet);
*
* # Panics
*
* - when `sp_packet_free` is NULL
* - when `packet` is NULL
*
* # Safety
*
@ -1510,6 +1568,8 @@ SPPacket *sp_packet_clone(const SPPacket *packet);
*
* - `packet` points to a valid [SPPacket]
* - `packet` is not used concurrently or after this call
*
* servicepoint_csbindgen_consumes: packet
*/
void sp_packet_free(SPPacket *packet);
@ -1531,9 +1591,45 @@ void sp_packet_free(SPPacket *packet);
* - [SPCommand] is not used concurrently or after this call
* - the returned [SPPacket] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_packet_free`.
*
* servicepoint_csbindgen_consumes: command
*/
SPPacket *sp_packet_from_command(SPCommand *command);
/**
* Creates a raw [SPPacket] from parts.
*
* # Arguments
*
* - `command_code` specifies which command this packet contains
* - `a`, `b`, `c` and `d` are command-specific header values
* - `payload` is the optional data that is part of the command
* - `payload_len` is the size of the payload
*
* returns: new instance. Will never return null.
*
* # Panics
*
* - when `payload` is null, but `payload_len` is not zero
* - when `payload_len` is zero, but `payload` is nonnull
*
* # Safety
*
* The caller has to make sure that:
*
* - `payload` points to a valid memory region of at least `payload_len` bytes
* - `payload` is not written to concurrently
* - the returned [SPPacket] instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_packet_free`.
*/
SPPacket *sp_packet_from_parts(uint16_t command_code,
uint16_t a,
uint16_t b,
uint16_t c,
uint16_t d,
const uint8_t *payload,
size_t payload_len);
/**
* Tries to load a [SPPacket] from the passed array with the specified length.
*

57
crates/servicepoint_binding_c/src/packet.rs
View file

@ -38,6 +38,63 @@ pub unsafe extern "C" fn sp_packet_from_command(
NonNull::from(Box::leak(result))
}
/// Creates a raw [SPPacket] from parts.
///
/// # Arguments
///
/// - `command_code` specifies which command this packet contains
/// - `a`, `b`, `c` and `d` are command-specific header values
/// - `payload` is the optional data that is part of the command
/// - `payload_len` is the size of the payload
///
/// returns: new instance. Will never return null.
///
/// # Panics
///
/// - when `payload` is null, but `payload_len` is not zero
/// - when `payload_len` is zero, but `payload` is nonnull
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `payload` points to a valid memory region of at least `payload_len` bytes
/// - `payload` is not written to concurrently
/// - the returned [SPPacket] instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_packet_free`.
#[no_mangle]
pub unsafe extern "C" fn sp_packet_from_parts(
command_code: u16,
a: u16,
b: u16,
c: u16,
d: u16,
payload: *const u8,
payload_len: usize,
) -> NonNull<SPPacket> {
assert_eq!(payload.is_null(), payload_len == 0);
let payload = if payload.is_null() {
vec![]
} else {
let payload = std::slice::from_raw_parts(payload, payload_len);
Vec::from(payload)
};
let packet = servicepoint::packet::Packet {
header: servicepoint::packet::Header {
command_code,
a,
b,
c,
d,
},
payload,
};
let result = Box::new(SPPacket(packet));
NonNull::from(Box::leak(result))
}
/// Tries to load a [SPPacket] from the passed array with the specified length.
///
/// returns: NULL in case of an error, pointer to the allocated packet otherwise

35
crates/servicepoint_binding_cs/ServicePoint/Packet.g.cs
View file

@ -41,6 +41,38 @@ namespace ServicePoint
return new Packet(Packet.sp_packet_from_command(command.__Into()));
}
/// <summary>
/// Creates a raw [SPPacket] from parts.
///
/// # Arguments
///
/// - `command_code` specifies which command this packet contains
/// - `a`, `b`, `c` and `d` are command-specific header values
/// - `payload` is the optional data that is part of the command
/// - `payload_len` is the size of the payload
///
/// returns: new instance. Will never return null.
///
/// # Panics
///
/// - when `payload` is null, but `payload_len` is not zero
/// - when `payload_len` is zero, but `payload` is nonnull
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `payload` points to a valid memory region of at least `payload_len` bytes
/// - `payload` is not written to concurrently
/// - the returned [SPPacket] instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_packet_free`.
/// </summary>
[System.Runtime.CompilerServices.MethodImplAttribute(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
public static Packet FromParts(ushort command_code, ushort a, ushort b, ushort c, ushort d, byte* payload, nuint payload_len)
{
return new Packet(Packet.sp_packet_from_parts(command_code, a, b, c, d, payload, payload_len));
}
/// <summary>
/// Tries to load a [SPPacket] from the passed array with the specified length.
///
@ -138,6 +170,9 @@ namespace ServicePoint
[DllImport(__DllName, EntryPoint = "sp_packet_from_command", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
private static extern SPPacket* sp_packet_from_command(SPCommand* command);
[DllImport(__DllName, EntryPoint = "sp_packet_from_parts", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
private static extern SPPacket* sp_packet_from_parts(ushort command_code, ushort a, ushort b, ushort c, ushort d, byte* payload, nuint payload_len);
[DllImport(__DllName, EntryPoint = "sp_packet_try_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
private static extern SPPacket* sp_packet_try_load(byte* data, nuint length);