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/** @file libradsec-impl.h
@brief Libraray internal header file for libradsec. */
/* See the file COPYING for licensing information. */
/* Constants. */
#define RS_HEADER_LEN 4
/* Data types. */
enum rs_conn_type {
RS_CONN_TYPE_NONE = 0,
RS_CONN_TYPE_UDP,
RS_CONN_TYPE_TCP,
RS_CONN_TYPE_TLS,
RS_CONN_TYPE_DTLS,
};
typedef unsigned int rs_conn_type_t;
enum rs_cred_type {
RS_CRED_NONE = 0,
RS_CRED_TLS_PSK_RSA, /* RFC 4279. */
};
typedef unsigned int rs_cred_type_t;
struct rs_credentials {
enum rs_cred_type type;
char *identity;
char *secret;
};
typedef void * (*rs_calloc_fp)(size_t nmemb, size_t size);
typedef void * (*rs_malloc_fp)(size_t size);
typedef void (*rs_free_fp)(void *ptr);
typedef void * (*rs_realloc_fp)(void *ptr, size_t size);
struct rs_alloc_scheme {
rs_calloc_fp calloc;
rs_malloc_fp malloc;
rs_free_fp free;
rs_realloc_fp realloc;
};
typedef void (*rs_conn_connected_cb)(void *user_data /* FIXME: peer? */);
typedef void (*rs_conn_disconnected_cb)(void *user_data /* FIXME: reason? */);
typedef void (*rs_conn_packet_received_cb)(const struct rs_packet *packet,
void *user_data);
typedef void (*rs_conn_packet_sent_cb)(void *user_data);
/** Connection callbacks. */
struct rs_conn_callbacks {
/** Callback invoked when the connection has been established. */
rs_conn_connected_cb connected_cb;
/** Callback invoked when the connection has been torn down. */
rs_conn_disconnected_cb disconnected_cb;
/** Callback invoked when a packet was received. */
rs_conn_packet_received_cb received_cb;
/** Callback invoked when a packet was successfully sent. */
rs_conn_packet_sent_cb sent_cb;
};
struct rs_handle {
struct rs_alloc_scheme alloc_scheme;
/* TODO: dictionary? */
};
struct rs_connection {
struct rs_handle *ctx;
enum rs_conn_type conn_type;
struct rs_credentials transport_credentials;
struct rs_conn_callbacks callbacks;
};
struct rs_attribute {
uint8_t type;
uint8_t length;
uint8_t *value;
};
struct rs_packet {
uint8_t code;
uint8_t id;
uint8_t auth[16];
struct list *attrs;
};
/* Convenience macros. */
#define rs_calloc(ctx, nmemb, size) \
(ctx->alloc_scheme.calloc ? ctx->alloc_scheme.calloc : calloc)(nmemb, size)
#define rs_malloc(ctx, size) \
(ctx->alloc_scheme.malloc ? ctx->alloc_scheme.malloc : malloc)(size)
#define rs_free(ctx, ptr) \
(ctx->alloc_scheme.free ? ctx->alloc_scheme.free : free)(ptr)
#define rs_(ctx, realloc, ptr, size) \
(ctx->alloc_scheme.realloc ? ctx->alloc_scheme.realloc : realloc)(ptr, size)
/* Local Variables: */
/* c-file-style: "stroustrup" */
/* End: */
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