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Second draft of task #14283: Add more detailed status callback

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This commit is contained in:
Dirk Ziegelmeier
2017-02-14 10:59:28 +01:00
parent b2beb42c14
commit 8025b85694
2 changed files with 52 additions and 46 deletions
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43
src/include/lwip/netif.h
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@@ -507,43 +507,50 @@ struct netif* netif_get_by_index(u8_t idx);
typedef enum
{
/** netif was added. arg is NULL */
/** netif was added. num: 0; arg: NULL */
LWIP_NSC_NETIF_ADDED,
/** netif was removed. arg is NULL */
/** netif was removed. num: 0; arg: NULL */
LWIP_NSC_NETIF_REMOVED,
/** link changed. arg: 1 up, 0 down */
/** link changed. num: 1 up, 0 down; arg: NULL */
LWIP_NSC_LINK_CHANGED,
/** netif status changed. arg: 1 up, 0 down */
/** netif administrative status changed. num: 1 up, 0 down; arg: NULL */
LWIP_NSC_STATUS_CHANGED,
/** IPv4 address has changed. arg is NULL */
/** IPv4 address has changed. num: 0; arg is ip_addr_t* old address */
LWIP_NSC_IPV4_ADDRESS_CHANGED,
/** IPv4 gateway has changed. arg is NULL */
/** IPv4 gateway has changed. num: 0; arg is ip_addr_t* old address */
LWIP_NSC_IPV4_GATEWAY_CHANGED,
/** IPv4 netmask has changed. arg is NULL */
/** IPv4 netmask has changed. num: 0; arg is ip_addr_t* old address */
LWIP_NSC_IPV4_NETMASK_CHANGED,
/** called AFTER IPv4 address/gateway/netmask changes have been applied */
/** called AFTER IPv4 address/gateway/netmask changes have been applied. num: 0; arg: NULL */
LWIP_NSC_IPV4_SETTINGS_CHANGED,
/** IPv6 address was added. arg is index of address */
LWIP_NSC_IPV6_ADDED,
/** IPv6 address was removed. arg is index of address */
LWIP_NSC_IPV6_REMOVED,
/** IPv6 address state has changed. arg is index of address */
/** IPv6 address was added. num is index of address; arg: ip_addr_t* address that was previously at index */
LWIP_NSC_IPV6_SET,
/** IPv6 address state has changed. num is index of address; arg: ip_addr_t* of address that whose state has changed */
LWIP_NSC_IPV6_ADDR_STATE_CHANGED
} netif_status_callback_reason_t;
} netif_nsc_reason_t;
typedef void (*netif_ext_status_callback)(struct netif* netif, netif_status_callback_reason_t reason, void* arg, const ip_addr_t* oldaddr, const ip_addr_t* newaddr);
/**
* @ingroup netif
* Function used for extended netif status callbacks
* Note: When parsing reason argument, keep in mind that more reasons may be added in the future!
* @param netif netif that is affected by change
* @param reason change reason
* @param num depends on reason, see reason description
* @param arg depends on reason, see reason description
*/
typedef void (*netif_ext_callback)(struct netif* netif, netif_nsc_reason_t reason, u16_t num, const void* arg);
#if LWIP_NETIF_EXT_STATUS_CALLBACK
struct netif_ext_callback;
typedef struct netif_ext_callback
{
netif_ext_status_callback callback_fn;
netif_ext_callback callback_fn;
struct netif_ext_callback* next;
} netif_ext_callback_t;
#define NETIF_DECLARE_EXT_CALLBACK(name) static netif_ext_callback_t name;
void netif_add_ext_callback(netif_ext_callback_t* callback, netif_ext_status_callback fn);
void netif_invoke_ext_callback(struct netif* netif, netif_status_callback_reason_t reason, void* arg, const ip_addr_t* oldaddr, const ip_addr_t* newaddr);
void netif_add_ext_callback(netif_ext_callback_t* callback, netif_ext_callback fn);
void netif_invoke_ext_callback(struct netif* netif, netif_nsc_reason_t reason, u16_t num, const void* arg);
#else
#define NETIF_DECLARE_EXT_CALLBACK(name)
#define netif_add_ext_callback(callback, fn)