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Cleanups to Macros for sending data between netgraph nodes.

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This commit is contained in:
julian 2001-03-03 05:52:49 +00:00
parent 9a72858cee
commit a3c4c7524d
2 changed files with 32 additions and 63 deletions
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94
sys/netgraph/netgraph.h
View File

@ -837,37 +837,18 @@ _ngi_hook(item_p item, char *file, int line)
/**********************************************************************
* Data macros. Send, manipulate and free.
**********************************************************************/
/* Send previously unpackeged data and metadata. */
#define NG_SEND_DATA(error, hook, m, meta) \
/*
* Assuming the data is already ok, just set the new address and send
*/
#define NG_FWD_ITEM_HOOK(error, item, hook) \
do { \
item_p item; \
if ((item = ng_package_data((m), (meta)))) { \
if (!((error) = ng_address_hook(NULL, item, \
hook, NULL))) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 0); \
} \
} else { \
(error) = ENOMEM; \
(error) = \
ng_address_hook(NULL, (item), (hook), NULL); \
if (error == 0) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 0); \
} \
(m) = NULL; \
(meta) = NULL; \
} while (0)
/* Send a previously unpackaged mbuf when we have no metadata to send */
#define NG_SEND_DATA_ONLY(error, hook, m) \
do { \
item_p item; \
if ((item = ng_package_data((m), NULL))) { \
if (!((error) = ng_address_hook(NULL, item, \
hook, NULL))) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 0); \
} \
} else { \
(error) = ENOMEM; \
} \
(m) = NULL; \
(item) = NULL; \
} while (0)
/*
@ -880,35 +861,40 @@ _ngi_hook(item_p item, char *file, int line)
*/
#define NG_FWD_NEW_DATA(error, item, hook, m) \
do { \
NGI_M(item) = m; \
if (!((error) = ng_address_hook(NULL, (item), \
(hook), NULL))) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 0); \
NGI_M(item) = (m); \
(m) = NULL; \
NG_FWD_ITEM_HOOK(error, item, hook); \
} while (0)
/* Send a previously unpackaged mbuf when we have no metadata to send */
#define NG_SEND_DATA_ONLY(error, hook, m) \
do { \
item_p item; \
if ((item = ng_package_data((m), NULL))) { \
NG_FWD_ITEM_HOOK(error, item, hook); \
} else { \
(error) = ENOMEM; \
} \
(item) = NULL; \
(m) = NULL; \
} while (0)
/*
* Assuming the data is already ok, just set the new address and send
*/
#define NG_FWD_ITEM_HOOK(error, item, hook) \
/* Send previously unpackeged data and metadata. */
#define NG_SEND_DATA(error, hook, m, meta) \
do { \
if (!((error) = ng_address_hook(NULL, (item), \
(hook), NULL))) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 0); \
item_p item; \
if ((item = ng_package_data((m), (meta)))) { \
NG_FWD_ITEM_HOOK(error, item, hook); \
} else { \
(error) = ENXIO; \
(error) = ENOMEM; \
} \
(item) = NULL; \
(m) = NULL; \
(meta) = NULL; \
} while (0)
#define NG_FREE_MSG(msg) \
do { \
if ((msg)) { \
FREE((msg), M_NETGRAPH_MSG); \
FREE((msg), M_NETGRAPH_MSG); \
(msg) = NULL; \
} \
} while (0)
@ -981,22 +967,6 @@ _ngi_hook(item_p item, char *file, int line)
(msg) = NULL; \
} while (0)
#define NG_QUEUE_MSG(error, here, msg, path, retaddr) \
do { \
item_p item; \
if ((item = ng_package_msg(msg)) == NULL) { \
(msg) = NULL; \
(error) = ENOMEM; \
break; \
} \
if (((error) = ng_address_path((here), (item), \
(path), (retaddr))) == 0) { \
SAVE_LINE(item); \
(error) = ng_snd_item((item), 1); \
} \
(msg) = NULL; \
} while (0)
/*
* Redirect the message to the next hop using the given hook.
* ng_retarget_msg() frees the item if there is an error

1
sys/netgraph/ng_base.c
View File

@ -3602,7 +3602,6 @@ ng_macro_test(item_p item)
NG_SEND_MSG_HOOK(error, node, msg, hook, retaddr);
NG_SEND_MSG_ID(error, node, msg, retaddr, retaddr);
NG_SEND_MSG_PATH(error, node, msg, ".:", retaddr);
NG_QUEUE_MSG(error, node, msg, ".:", retaddr);
NG_FWD_MSG_HOOK(error, node, item, hook, retaddr);
}
#endif /* TESTING */