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Diffstat (limited to 'ctrl/libhicnctrl/includes/hicn/ctrl/api.h')
| -rw-r--r-- | ctrl/libhicnctrl/includes/hicn/ctrl/api.h | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/ctrl/libhicnctrl/includes/hicn/ctrl/api.h b/ctrl/libhicnctrl/includes/hicn/ctrl/api.h new file mode 100644 index 000000000..45efb39f9 --- /dev/null +++ b/ctrl/libhicnctrl/includes/hicn/ctrl/api.h @@ -0,0 +1,758 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * \file api.h + * \brief hICN control library API + * + * This API supports basic hICN objects (face, route, punting) plus + * implementation-specific ones (connection, listener). Currently, this library + * only supports the hicn-light forwarder. + * + * For each object, a set of methods is provided among: + * - CREATE, GET, UPDATE, DELETE, LIST + * - CMP, PARSE, SNPRINTF + * - additionally, attribute getters and/or setters are provided and denoted + * GET( attribute ) and SET( attribute ) + * + * A summary per-object is presented here: + * + * | CRE GET UPD DEL LST | VAL CMP PAR SNP | attributes [GET/SET] + * +------------+---------------------+-------------+--------------------------- + * | face | O O ! O O | ! ! O | state [-S] + * | route | O - ! O O | ! O - | + * | punting | ! - ! ! ! | ! ! ! | + * +------------+---------------------+-----------------+--------------------------- + * | cache | | | store [!!], serve [!!] + * | strategy | | | + * | FIB | | | + * | PIT | | | + * | WLDR | | | + * | MAP-Me | | | + * +------------+---------------------+-----------------+--------------------------- + * | connection | O O ! O O | O O O | state [-S] + * | listener | O O ! - O | O O O O | + * +------------+---------------------+-----------------+--------------------------- + * + * LEGEND: [O] implemented, [!] in progress / TODO, [-] not supported + * + * NOTES: + * + * - Different extensions of the forwarder functionalities bring both new API + * calls, and new object attributes. While it is expected that the former will + * only raised NACK answers because of unsupported API calls, the latter will + * certainly trigger incompatibilities. It is expected that the forwarder + * validates the message length and returns a NACK too. In that case, we + * provide a set of defines to preserve backwards compatibility. At the + * moment, those defines are : + * + * WITH_POLICY: + * + */ + +#ifndef HICNTRL_API +#define HICNTRL_API + +#include <stdbool.h> +#include <stdint.h> + +#include "face.h" +#include "util/types.h" + +#define LIBHICNCTRL_SUCCESS 0 +#define LIBHICNCTRL_FAILURE -1 +#define LIBHICNCTRL_NOT_IMPLEMENTED -99 +#define LIBHICNCTRL_IS_ERROR(x) (x < 0) + + +/** + * This allows to selectively define convenience types to avoid any collision + * when using the library in conjunction with other frameworks including similar + * defines + */ +#ifdef _HICNTRL_NO_DEFS +#define _HICNTRL_NO_DEF_TYPES +#define _HICNTRL_NO_DEF_IPADDR +#define _HICNTRL_NO_DEF_UNIONCAST +#endif + +#ifndef _HICNTRL_NO_DEF_TYPES +typedef uint8_t u8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef uint64_t u64; +#endif /* _HICNTRL_NO_DEF_TYPES */ + +#ifndef _HICNTRL_NO_DEF_IPADDR +#include "util/ip_address.h" +#endif /* _HICNTRL_NO_DEF_IPADDR */ + +#ifndef _HICNTRL_NO_DEF_UNIONCAST +/* Helper for avoiding warnings about type-punning */ +#define UNION_CAST(x, destType) \ + (((union {__typeof__(x) a; destType b;})x).b) +#endif /* _HICNTRL_NO_DEF_UNIONCAST */ + +/****************************************************************************** + * Message helper types and aliases + ******************************************************************************/ + +#define foreach_command \ + _(UNDEFINED) \ + _(CREATE) \ + _(UPDATE) \ + _(DELETE) \ + _(LIST) \ + _(SET) \ + _(N) + +typedef enum { +#define _(x) ACTION_ ## x, +foreach_command +#undef _ +} hc_action_t; + +/** + * \brief hICN control message header + */ +typedef struct hc_msg_s hc_msg_t; + +/****************************************************************************** + * Control Data + ******************************************************************************/ + +struct hc_data_s; +typedef int (*data_callback_t)(struct hc_data_s *, void *); + +/** + * \brief Holds the results of an hICN control request + */ +typedef struct hc_data_s { + size_t size; + size_t max_size_log; + size_t in_element_size; + size_t out_element_size; + u8 command_id; /**< Expected message type (should give element size) */ + u8 * buffer; + bool complete; + + /* Callbacks */ + data_callback_t complete_cb; // XXX int (*complete_cb)(struct hc_data_s * data); + void * complete_cb_data; +} hc_data_t; + +/** + * Create a structure holding the results of an hICN control request. + * \result The newly create data structure. + */ +hc_data_t * +hc_data_create(size_t in_element_size, size_t out_element_size); + +/** + * Free a structure holding the results of an hICN control request. + * \param [in] data - The data structure to free. + */ +void +hc_data_free(hc_data_t * data); + +/** + * \brief Adds many new results at the end of the data structure, eventually + * allocating buffer space for it. + * \param [in] data - The data structure to which to add elements. + * \param [in] elements - The array of elements to add. + * \param [in] count - The number of elements to add. + * \return Error code + * + * NOTE: The size of the element should match the one declared at structure + * initialization. + */ +int +hc_data_push_many(hc_data_t * data, const void * elements, size_t count); + +/** + * \brief Adds a new result at the end of the data structure, eventually + * allocating buffer space for it. + * \param [in] data - The data structure to which to add an element. + * \param [in] element - The element to add + * \return Error code + * + * NOTE: The size of the element should match the one declared at structure + * initialization. + */ +int +hc_data_push(hc_data_t * data, const void * element); + +/** + * \brief Configure a callback (along with private data) to be called upon + * completion of a request + * \param [in] data - hICN control data + * \param [in] cb - Callback function + * \param [in] cb_data - Callback private data + */ +int +hc_data_set_callback(hc_data_t * data, data_callback_t cb, void * cb_data); + +/** + * \brief Mark the data structure as complete. + * \param [in] data - The data structure to which to add an element. + * \return The error code resulting from callback execution if any. 0 is + * returned if the callback executed successfully, or if no callback were + * defined. + */ +int +hc_data_set_complete(hc_data_t * data); + +/** + * \brief Reset the data structure holding control data + * \param [in] data - hICN control data + * \return Error code + */ +int +hc_data_reset(hc_data_t * data); + +/** + * \brief Find en element in the data structure + * \param [in] data - The data structure in which to find + * \param [in] element - The element to find + * \param [out] found - A pointer to the element, or NULL if not found. + * \return Error code + */ +#define GENERATE_FIND_HEADER(TYPE) \ +int \ +hc_ ## TYPE ## _find(hc_data_t * data, const hc_ ## TYPE ## _t * element, \ + hc_ ## TYPE ## _t **found) + +#define GENERATE_FIND(TYPE) \ +int \ +hc_ ## TYPE ## _find(hc_data_t * data, const hc_ ## TYPE ## _t * element, \ + hc_ ## TYPE ## _t **found) \ +{ \ + foreach_type(hc_ ## TYPE ## _t, x, data) { \ + if (hc_ ## TYPE ## _cmp(x, element) >= 0) { \ + *found = x; \ + return LIBHICNCTRL_SUCCESS; \ + } \ + }; \ + *found = NULL; /* this is optional */ \ + return LIBHICNCTRL_SUCCESS; \ +} + +/****************************************************************************** + * Control socket + ******************************************************************************/ + +/* This should be at least equal to the maximum packet size */ +#define RECV_BUFLEN 8192 + +/** + * \brief Holds the state of an hICN control socket + */ +typedef struct { + char * url; + int fd; + u32 seq; + + /* Partial receive buffer */ + u8 buf[RECV_BUFLEN]; + size_t roff; /**< Read offset */ + size_t woff; /**< Write offset */ + + /* + * Because received messages are potentially unbounded in size, we might not + * guarantee that we can store a full packet before processing it. We must + * implement a very simple state machine remembering the current parsing + * status in order to partially process the packet. + */ + size_t remaining; + u32 send_id; + u32 send_seq; + u32 recv_seq; +} hc_sock_t; + +/** + * \brief Create an hICN control socket using the specified URL. + * \param [in] url - The URL to connect to. + * \return an hICN control socket + */ +hc_sock_t * +hc_sock_create_url(const char * url); + +/** + * \brief Create an hICN control socket using the default connection type. + * \return an hICN control socket + */ +hc_sock_t * +hc_sock_create(void); + +/** + * \brief Frees an hICN control socket + */ +void +hc_sock_free(hc_sock_t *s); + +/** + * \brief Sets the socket as non-blocking + * \return Error code + */ +int +hc_sock_set_nonblocking(hc_sock_t *s); + +/** + * \brief Connect the socket + * \return Error code + */ +int +hc_sock_connect(hc_sock_t *s); + +/** + * \brief Return the offset and size of available buffer space + * \param [in] sock - hICN control socket + * \param [out] buffer - Offset in buffer + * \param [out] size - Remaining size + * \return Error code + */ +int +hc_sock_get_available(hc_sock_t * s, u8 ** buffer, size_t * size); + +/** + * \brief Write/read iexchance on the control socket (internal helper function) + * \param [in] sock - hICN control socket + * \param [in] msg - Message to send + * \param [in] msglen - Length of the message to send + * \return Error code + */ +int +hc_sock_send(hc_sock_t * s, hc_msg_t * msg, size_t msglen); + +/** + * \brief Helper for reading socket contents + * \param [in] sock - hICN control socket + * \param [in] data - Result data buffer + * \param [in] parse - Parse function to convert remote types into lib native + * types, or NULL not to perform any translation. + * \return Error code + */ +int +hc_sock_recv(hc_sock_t * s, hc_data_t * data); + +/** + * \brief Processing data received by socket + * \param [in] sock - hICN control socket + * \param [in] data - Result data buffer + * \param [in] parse - Parse function to convert remote types into lib native + * types, or NULL not to perform any translation. + * \return Error code + */ +int +hc_sock_process(hc_sock_t * s, hc_data_t * data, + int (*parse)(const u8 * src, u8 * dst)); + +/** + * \brief Reset the state of the sock (eg. to handle a reconnecton) + * \param [in] sock - hICN control socket + * \return Error code + */ +int +hc_sock_reset(hc_sock_t * s); + +/****************************************************************************** + * Command-specific structures and functions + ******************************************************************************/ + +/* + * The following definitions are organized by sections each dealing with a + * specific object being manipulated. All follow a similar structure. + * + * TYPE DEFINITIONS AND ALIASES + * + * We redefine command struct: + * - for uniformization + * - to use enum instead of type specifiers more appropriate for packet format + * - to use more flexible types such as for manipulating IP addresses + * - host endianness + * - more intuitive field name, ordering, consistency, and hierarchy removal + * - to have command types in between add/list/... commands + * + * COMMAND IMPLEMENTATION + * + * All commands return information in a common format + * + * RETURN DATA FIXME + * + * \param [out] pdata - Pointer to the structure storing the results of the call + * (NULL if no data has been received). If the pointer is NULL, no result will + * be stored and only the error code will be exposed to the caller. It is + * expected that the caller frees this structure using hc_data_free() after + * usage. + * \see hc_data_free. + * + * PARSING + * + * While this is not made mandatory by the library, the returned data can be + * converted to the library's own data structures as described before. + * + * ITERATORS + * + * Macros are defined to facilitate iteration on the returned data structures. + */ + +#ifndef SPACES +#define SPACES(x) x +#endif +#ifndef SPACE +#define SPACE SPACES(1) +#endif +#ifndef NULLTERM +#define NULLTERM 1 +#endif + +#define NAME_LEN 16 /* NULL-terminated right ? */ +#ifdef __linux__ +#define INTERFACE_LEN 16 +#endif +#define MAXSZ_HC_NAME_ NAME_LEN +#define MAXSZ_HC_NAME MAXSZ_HC_NAME_ + NULLTERM + +#define MAXSZ_HC_ID_ 10 /* Number of digits for MAX_INT */ +#define MAXSZ_HC_ID MAXSZ_HC_ID_ + NULLTERM + +#define MAXSZ_HC_PROTO_ 8 /* inetX:// */ +#define MAXSZ_HC_PROTO MAXSZ_HC_PROTO_ + NULLTERM + +#define MAXSZ_HC_URL4_ MAXSZ_HC_PROTO_ + MAXSZ_IP4_ADDRESS_ + MAXSZ_PORT_ +#define MAXSZ_HC_URL6_ MAXSZ_HC_PROTO_ + MAXSZ_IP6_ADDRESS_ + MAXSZ_PORT_ +#define MAXSZ_HC_URL_ MAXSZ_HC_URL6_ +#define MAXSZ_HC_URL4 MAXSZ_HC_URL4_ + NULLTERM +#define MAXSZ_HC_URL6 MAXSZ_HC_URL6_ + NULLTERM +#define MAXSZ_HC_URL MAXSZ_HC_URL_ + NULLTERM + +int hc_url_snprintf(char * s, size_t size, int family, + const ip_address_t * ip_address, u16 port); + +#define foreach_type(TYPE, VAR, data) \ + for (TYPE * VAR = (TYPE*)data->buffer; \ + VAR < (TYPE*)(data->buffer + data->size * data->out_element_size); \ + VAR++) + +/** + * New type is defined to reconciliate different enum for add and list. + * Also, values not implemented have been removed for clarity. + */ +#define foreach_connection_type \ + _(UNDEFINED) \ + _(TCP) \ + _(UDP) \ + _(HICN) \ + _(N) + +typedef enum { +#define _(x) CONNECTION_TYPE_ ## x, +foreach_connection_type +#undef _ +} hc_connection_type_t; + +#define MAXSZ_HC_CONNECTION_TYPE_ 9 +#define MAXSZ_HC_CONNECTION_TYPE MAXSZ_HC_CONNECTION_TYPE_ + NULLTERM + +extern const char * connection_type_str[]; + +hc_connection_type_t +connection_type_from_str(const char * str); + +/* Same order as connection_state_t in hicn/core/connectionState.h */ +#define foreach_connection_state \ + _(UNDEFINED) \ + _(DOWN) \ + _(UP) \ + _(N) + +typedef enum { +#define _(x) HC_CONNECTION_STATE_ ## x, +foreach_connection_state +#undef _ +} hc_connection_state_t; + +#define MAXSZ_HC_CONNECTION_STATE_ 9 +#define MAXSZ_HC_CONNECTION_STATE MAXSZ_HC_CONNECTION_STATE_ + NULLTERM + +extern const char * connection_state_str[]; + +typedef int (*HC_PARSE)(const u8 *, u8 *); + +/*----------------------------------------------------------------------------* + * Listeners + *----------------------------------------------------------------------------*/ + +// FIXME the listener should not require any port for hICN... +typedef struct { + char name[NAME_LEN]; /* K.w */ // XXX clarify what used for +#ifdef __linux__ + char interface_name[INTERFACE_LEN]; /* Kr. */ +#endif + u32 id; + hc_connection_type_t type; /* .rw */ + int family; /* .rw */ + ip_address_t local_addr; /* .rw */ + u16 local_port; /* .rw */ +} hc_listener_t; + +int hc_listener_create(hc_sock_t * s, hc_listener_t * listener); +int hc_listener_get(hc_sock_t *s, hc_listener_t * listener, + hc_listener_t ** listener_found); +int hc_listener_delete(hc_sock_t * s, hc_listener_t * listener); +int hc_listener_list(hc_sock_t * s, hc_data_t ** pdata); + +int hc_listener_validate(const hc_listener_t * listener); +int hc_listener_cmp(const hc_listener_t * l1, const hc_listener_t * l2); +int hc_listener_parse(void * in, hc_listener_t * listener); + +#define foreach_listener(VAR, data) foreach_type(hc_listener_t, VAR, data) + +#define MAXSZ_HC_LISTENER_ MAXSZ_HC_URL_ + SPACE + MAXSZ_HC_CONNECTION_TYPE_ +#define MAXSZ_HC_LISTENER MAXSZ_HC_LISTENER_ + NULLTERM + +GENERATE_FIND_HEADER(listener); + +int hc_listener_snprintf(char * s, size_t size, hc_listener_t * listener); + +/*----------------------------------------------------------------------------* + * Connections + *----------------------------------------------------------------------------*/ + +typedef struct { + u32 id; /* Kr. */ + char name[NAME_LEN]; /* K.w */ + hc_connection_type_t type; /* .rw */ + int family; /* .rw */ + ip_address_t local_addr; /* .rw */ + u16 local_port; /* .rw */ + ip_address_t remote_addr; /* .rw */ + u16 remote_port; /* .rw */ + hc_connection_state_t admin_state; /* .rw */ +#ifdef WITH_POLICY + policy_tags_t tags; /* .rw */ +#endif /* WITH_POLICY */ + hc_connection_state_t state; /* .r. */ +} hc_connection_t; + + +int hc_connection_create(hc_sock_t * s, hc_connection_t * connection); +int hc_connection_get(hc_sock_t *s, hc_connection_t * connection, + hc_connection_t ** connection_found); +int hc_connection_update_by_id(hc_sock_t * s, int hc_connection_id, + hc_connection_t * connection); +int hc_connection_update(hc_sock_t * s, hc_connection_t * connection_current, + hc_connection_t * connection_updated); +int hc_connection_delete(hc_sock_t * s, hc_connection_t * connection); +/* +int hc_connection_remove_by_id(hc_sock_t * s, char * name); +int hc_connection_remove_by_name(hc_sock_t * s, char * name); +*/ +int hc_connection_list(hc_sock_t * s, hc_data_t ** pdata); + +int hc_connection_validate(const hc_connection_t * connection); +int hc_connection_cmp(const hc_connection_t * c1, const hc_connection_t * c2); +int hc_connection_parse(void * in, hc_connection_t * connection); + +#ifdef WITH_POLICY +int hc_connection_set_state(hc_sock_t * s, const char * conn_id_or_name, face_state_t state); +#endif /* WITH_POLICY */ + +#define foreach_connection(VAR, data) foreach_type(hc_connection_t, VAR, data) + +#define MAXSZ_HC_CONNECTION_ MAXSZ_HC_CONNECTION_STATE_ + \ + 2 * MAXSZ_HC_URL_ + MAXSZ_HC_CONNECTION_TYPE_ + SPACES(3) +#define MAXSZ_HC_CONNECTION MAXSZ_HC_CONNECTION_ + NULLTERM + +GENERATE_FIND_HEADER(connection); + +int hc_connection_snprintf(char * s, size_t size, const hc_connection_t * connection); + +/*----------------------------------------------------------------------------* + * Routes + *----------------------------------------------------------------------------*/ + +typedef struct { + u8 face_id; /* Kr. */ + int family; /* Krw */ + ip_address_t remote_addr; /* krw */ + u8 len; /* krw */ + u16 cost; /* .rw */ +} hc_route_t; + +int hc_route_parse(void * in, hc_route_t * route); + +int hc_route_create(hc_sock_t * s, hc_route_t * route); +int hc_route_delete(hc_sock_t * s, hc_route_t * route); +int hc_route_list(hc_sock_t * s, hc_data_t ** pdata); + +#define foreach_route(VAR, data) foreach_type(hc_route_t, VAR, data) + +#define MAX_FACE_ID 255 +#define MAXSZ_FACE_ID 3 +#define MAX_COST 65535 +#define MAXSZ_COST 5 +#define MAX_LEN 255 +#define MAXSZ_LEN 3 + +#define MAXSZ_HC_ROUTE_ MAXSZ_FACE_ID + 1 + MAXSZ_COST + 1 + MAXSZ_IP_ADDRESS + 1 + MAXSZ_LEN +#define MAXSZ_HC_ROUTE MAXSZ_HC_ROUTE_ + NULLTERM + +int hc_route_snprintf(char * s, size_t size, hc_route_t * route); + +/*----------------------------------------------------------------------------* + * Faces + * + * A face is an abstraction introduced by the control library to abstract the + * forwarder implementation details. It encompasses connections and listeners + * and ensures the right dependencies are enforced, eg that we always have a + * listener when a connection is created. + * + *----------------------------------------------------------------------------*/ + +typedef struct { + u32 id; + char name[NAME_LEN]; + face_t face; // or embed ? + //face_id_t parent; /* Pointer from connection to listener */ +} hc_face_t; + +/** + * \brief Create a face + * \param [in] s - hICN socket + * \param [in,out] face - Parameters of the face to create + * \return Error code + * + * The face parameters will be updated with the face ID. + */ +int hc_face_create(hc_sock_t * s, hc_face_t * face); +int hc_face_get(hc_sock_t * s, hc_face_t * face, hc_face_t ** face_found); +int hc_face_delete(hc_sock_t * s, hc_face_t * face); +int hc_face_list(hc_sock_t * s, hc_data_t ** pdata); + +#define foreach_face(VAR, data) foreach_type(hc_face_t, VAR, data) + +#define MAXSZ_HC_FACE_ 0 +#define MAXSZ_HC_FACE MAXSZ_HC_FACE_ + NULLTERM + +int hc_face_snprintf(char * s, size_t size, hc_face_t * face); + +/////// XXX XXX XXX XXX missing face api functions, cf punting now... + +/*----------------------------------------------------------------------------* + * Punting + *----------------------------------------------------------------------------*/ + +typedef struct { + u8 face_id; /* Kr. */ // XXX listener id, could be NULL for all ? + int family; /* Krw */ + ip_address_t prefix; /* krw */ + u8 prefix_len; /* krw */ +} hc_punting_t; + +int hc_punting_create(hc_sock_t * s, hc_punting_t * punting); +int hc_punting_get(hc_sock_t * s, hc_punting_t * punting, hc_punting_t ** punting_found); +int hc_punting_delete(hc_sock_t * s, hc_punting_t * punting); +int hc_punting_list(hc_sock_t * s, hc_data_t ** pdata); + +int hc_punting_validate(const hc_punting_t * punting); +int hc_punting_cmp(const hc_punting_t * c1, const hc_punting_t * c2); +int hc_punting_parse(void * in, hc_punting_t * punting); + +#define foreach_punting(VAR, data) foreach_type(hc_punting_t, VAR, data) + +#define MAXSZ_HC_PUNTING_ 0 +#define MAXSZ_HC_PUNTING MAXSZ_HC_PUNTING_ + NULLTERM + +GENERATE_FIND_HEADER(punting); + +int hc_punting_snprintf(char * s, size_t size, hc_punting_t * punting); + + +/*----------------------------------------------------------------------------* + * Cache + *----------------------------------------------------------------------------*/ + +int hc_cache_set_store(hc_sock_t * s, int enabled); +int hc_cache_set_serve(hc_sock_t * s, int enabled); + +/*----------------------------------------------------------------------------* + * Strategy + *----------------------------------------------------------------------------*/ + +#define MAXSZ_STRATEGY_NAME 255 + +typedef struct { + char name[MAXSZ_STRATEGY_NAME]; +} hc_strategy_t; + +int hc_strategy_list(hc_sock_t * s, hc_data_t ** data); + +#define foreach_strategy(VAR, data) foreach_type(hc_strategy_t, VAR, data) + +#define MAXSZ_HC_STRATEGY_ MAXSZ_STRATEGY_NAME +#define MAXSZ_HC_STRATEGY MAXSZ_HC_STRATEGY_ + NULLTERM + +int hc_strategy_snprintf(char * s, size_t size, hc_strategy_t * strategy); + +// per prefix +int hc_strategy_set(hc_sock_t * s /* XXX */); + +/*----------------------------------------------------------------------------* + * WLDR + *----------------------------------------------------------------------------*/ + +// per connection +int hc_wldr_set(hc_sock_t * s /* XXX */); + +/*----------------------------------------------------------------------------* + * MAP-Me + *----------------------------------------------------------------------------*/ + +int hc_mapme_set(hc_sock_t * s, int enabled); +int hc_mapme_set_discovery(hc_sock_t * s, int enabled); +int hc_mapme_set_timescale(hc_sock_t * s, double timescale); +int hc_mapme_set_retx(hc_sock_t * s, double timescale); + +/*----------------------------------------------------------------------------* + * Policies + *----------------------------------------------------------------------------*/ + +#ifdef WITH_POLICY + +typedef struct { + int family; /* Krw */ + ip_address_t remote_addr; /* krw */ + u8 len; /* krw */ + policy_t policy; /* .rw */ +} hc_policy_t; + +int hc_policy_parse(void * in, hc_policy_t * policy); + +int hc_policy_create(hc_sock_t * s, hc_policy_t * policy); +int hc_policy_delete(hc_sock_t * s, hc_policy_t * policy); +int hc_policy_list(hc_sock_t * s, hc_data_t ** pdata); + +#define foreach_policy(VAR, data) foreach_type(hc_policy_t, VAR, data) + +/* TODO */ +#define MAXSZ_HC_POLICY_ 0 +#define MAXSZ_HC_POLICY MAXSZ_HC_POLICY_ + NULLTERM + +int hc_policy_snprintf(char * s, size_t size, hc_policy_t * policy); + +#endif /* WITH_POLICY */ + +#endif /* HICNTRL_API */ |