packet.c File Reference

📦 Packet protocol handler with CRC validation, encryption, and compression More...

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Functions
asciichat_error_t	packet_validate_header (const packet_header_t *header, uint16_t *pkt_type, uint32_t *pkt_len, uint32_t *expected_crc)
	Validate packet header and return parsed information.
asciichat_error_t	packet_validate_crc32 (const void *data, size_t len, uint32_t expected_crc)
	Validate packet CRC32.
asciichat_error_t	packet_send (socket_t sockfd, packet_type_t type, const void *data, size_t len)
	Send a packet with proper header and CRC32.
asciichat_error_t	packet_receive (socket_t sockfd, packet_type_t *type, void **data, size_t *len)
	Receive a packet with proper header validation and CRC32 checking.
asciichat_error_t	send_packet_secure (socket_t sockfd, packet_type_t type, const void *data, size_t len, crypto_context_t *crypto_ctx)
	Send a packet with encryption and compression support.
packet_recv_result_t	receive_packet_secure (socket_t sockfd, void *crypto_ctx, bool enforce_encryption, packet_envelope_t *envelope)
	Receive a packet with decryption and decompression support.
int	send_packet (socket_t sockfd, packet_type_t type, const void *data, size_t len)
	Send a basic packet without encryption.
int	receive_packet (socket_t sockfd, packet_type_t *type, void **data, size_t *len)
	Receive a basic packet without encryption.
int	send_ping_packet (socket_t sockfd)
	Send a ping packet.
int	send_pong_packet (socket_t sockfd)
	Send a pong packet.
int	send_clear_console_packet (socket_t sockfd)
	Send a clear console packet.
asciichat_error_t	packet_send_error (socket_t sockfd, const crypto_context_t *crypto_ctx, asciichat_error_t error_code, const char *message)
	Send an error packet with optional encryption context.
asciichat_error_t	packet_parse_error_message (const void *data, size_t len, asciichat_error_t *out_error_code, char *message_buffer, size_t message_buffer_size, size_t *out_message_length)
	Parse an error packet payload into components.
asciichat_error_t	packet_send_remote_log (socket_t sockfd, const crypto_context_t *crypto_ctx, log_level_t level, remote_log_direction_t direction, uint16_t flags, const char *message)
	Send a remote log packet with optional encryption context.
asciichat_error_t	packet_parse_remote_log (const void *data, size_t len, log_level_t *out_level, remote_log_direction_t *out_direction, uint16_t *out_flags, char *message_buffer, size_t message_buffer_size, size_t *out_message_length)
	Parse a remote log packet payload into components.
int	send_protocol_version_packet (socket_t sockfd, const protocol_version_packet_t *version)
	Send protocol version packet.
int	send_crypto_capabilities_packet (socket_t sockfd, const crypto_capabilities_packet_t *caps)
	Send crypto capabilities packet.
int	send_crypto_parameters_packet (socket_t sockfd, const crypto_parameters_packet_t *params)
	Send crypto parameters packet.
asciichat_error_t	send_audio_batch_packet (socket_t sockfd, const float *samples, int num_samples, int batch_count, crypto_context_t *crypto_ctx)
	Send a batched audio packet with encryption support.
asciichat_error_t	av_send_audio_opus_batch (socket_t sockfd, const uint8_t *opus_data, size_t opus_size, const uint16_t *frame_sizes, int sample_rate, int frame_duration, int frame_count, crypto_context_t *crypto_ctx)
	Send Opus-encoded audio batch packet with encryption support.
asciichat_error_t	send_ascii_frame_packet (socket_t sockfd, const char *frame_data, size_t frame_size)
	Send ASCII frame packet.
asciichat_error_t	send_image_frame_packet (socket_t sockfd, const void *image_data, uint16_t width, uint16_t height, uint8_t format)
	Send image frame packet.

Detailed Description

📦 Packet protocol handler with CRC validation, encryption, and compression

Definition in file packet.c.