X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd%2Fsd-rtnl%2Frtnl-internal.h;h=2f788d04f6cd08c2402ba0a9d0aa1d5073d45d41;hp=5dc66ac9d6f7eadbeb0798a54847b31ef1780c90;hb=1403f45ab61d6f2026a3a7a06b52a536c1b7a3b3;hpb=5a081409c5b88b0fcffb4ee5a0e07ed133ca4da3 diff --git a/src/libsystemd/sd-rtnl/rtnl-internal.h b/src/libsystemd/sd-rtnl/rtnl-internal.h index 5dc66ac9d..2f788d04f 100644 --- a/src/libsystemd/sd-rtnl/rtnl-internal.h +++ b/src/libsystemd/sd-rtnl/rtnl-internal.h @@ -29,6 +29,15 @@ #include "sd-rtnl.h" +#include "rtnl-types.h" + +#define RTNL_DEFAULT_TIMEOUT ((usec_t) (25 * USEC_PER_SEC)) + +#define RTNL_WQUEUE_MAX 1024 +#define RTNL_RQUEUE_MAX 64*1024 + +#define RTNL_CONTAINER_DEPTH 32 + struct reply_callback { sd_rtnl_message_handler_t callback; void *userdata; @@ -57,9 +66,11 @@ struct sd_rtnl { sd_rtnl_message **rqueue; unsigned rqueue_size; + size_t rqueue_allocated; sd_rtnl_message **wqueue; unsigned wqueue_size; + size_t wqueue_allocated; bool processing:1; @@ -78,24 +89,38 @@ struct sd_rtnl { sd_event *event; }; -#define RTNL_DEFAULT_TIMEOUT ((usec_t) (10 * USEC_PER_SEC)) +struct sd_rtnl_message { + RefCount n_ref; -#define RTNL_WQUEUE_MAX 1024 -#define RTNL_RQUEUE_MAX 64*1024 + sd_rtnl *rtnl; -#define RTNL_CONTAINER_DEPTH 32 + struct nlmsghdr *hdr; + const struct NLTypeSystem *(container_type_system[RTNL_CONTAINER_DEPTH]); /* the type of the container and all its parents */ + size_t container_offsets[RTNL_CONTAINER_DEPTH]; /* offset from hdr to each container's start */ + unsigned n_containers; /* number of containers */ + size_t next_rta_offset; /* offset from hdr to next rta */ + size_t *rta_offset_tb[RTNL_CONTAINER_DEPTH]; + unsigned short rta_tb_size[RTNL_CONTAINER_DEPTH]; + bool sealed:1; -int message_new_synthetic_error(int error, uint32_t serial, sd_rtnl_message **ret); -uint32_t message_get_serial(sd_rtnl_message *m); -int message_seal(sd_rtnl *nl, sd_rtnl_message *m); + sd_rtnl_message *next; /* next in a chain of multi-part messages */ +}; -bool message_type_is_link(uint16_t type); -bool message_type_is_addr(uint16_t type); -bool message_type_is_route(uint16_t type); +int message_new(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t type); int socket_write_message(sd_rtnl *nl, sd_rtnl_message *m); -int socket_read_message(sd_rtnl *nl, sd_rtnl_message **ret); +int socket_read_message(sd_rtnl *nl); + +int rtnl_rqueue_make_room(sd_rtnl *rtnl); + +int rtnl_message_read_internal(sd_rtnl_message *m, unsigned short type, void **data); +int rtnl_message_parse(sd_rtnl_message *m, + size_t **rta_offset_tb, + unsigned short *rta_tb_size, + int max, + struct rtattr *rta, + unsigned int rt_len); /* Make sure callbacks don't destroy the rtnl connection */ #define RTNL_DONT_DESTROY(rtnl) \ - _cleanup_sd_rtnl_unref_ _unused_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl) + _cleanup_rtnl_unref_ _unused_ sd_rtnl *_dont_destroy_##rtnl = sd_rtnl_ref(rtnl)