X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-message.h;h=d0f11d8f64b33afc1b2e7665e2110a4d825890f4;hb=d9f644e2cdc81089f76314ee1a264895ca391371;hp=eafbb7c6ce71bda89fc124a6972c9a8df14546e3;hpb=b3af9646f8ac23e73fe1d7af3b69e35b1547b13e;p=elogind.git diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index eafbb7c6c..d0f11d8f6 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -33,9 +33,10 @@ struct bus_container { char enclosing; - char *signature; unsigned index, saved_index; + char *signature; + uint32_t *array_size; size_t before, begin; }; @@ -50,9 +51,23 @@ struct bus_header { uint32_t fields_size; } _packed_; +struct bus_body_part { + struct bus_body_part *next; + void *data; + size_t size; + size_t mapped; + int memfd; + bool free_this:1; + bool munmap_this:1; + bool sealed:1; + bool is_zero:1; +}; + struct sd_bus_message { unsigned n_ref; + sd_bus *bus; + uint32_t reply_serial; const char *path; @@ -77,19 +92,21 @@ struct sd_bus_message { bool uid_valid:1; bool gid_valid:1; bool free_header:1; - bool free_fields:1; - bool free_body:1; bool free_kdbus:1; bool free_fds:1; + bool release_kdbus:1; + bool poisoned:1; struct bus_header *header; - void *fields; - void *body; - struct kdbus_msg *kdbus; + struct bus_body_part body; + struct bus_body_part *body_end; + unsigned n_body_parts; char *label; size_t rindex; + struct bus_body_part *cached_rindex_part; + size_t cached_rindex_part_begin; uint32_t n_fds; int *fds; @@ -97,9 +114,12 @@ struct sd_bus_message { struct bus_container root_container, *containers; unsigned n_containers; - struct iovec iovec[3]; + struct iovec *iovec; + struct iovec iovec_fixed[2]; unsigned n_iovec; + struct kdbus_msg *kdbus; + char *peeked_signature; usec_t timeout; @@ -159,14 +179,18 @@ static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) { BUS_MESSAGE_BODY_SIZE(m); } -static inline void bus_message_unrefp(sd_bus_message **m) { - sd_bus_message_unref(*m); +static inline uint32_t BUS_MESSAGE_BODY_BEGIN(sd_bus_message *m) { + return + sizeof(struct bus_header) + + ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)); } -#define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp))) +static inline void* BUS_MESSAGE_FIELDS(sd_bus_message *m) { + return (uint8_t*) m->header + sizeof(struct bus_header); +} int bus_message_seal(sd_bus_message *m, uint64_t serial); -int bus_message_dump(sd_bus_message *m); +int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header); int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz); int bus_message_read_strv_extend(sd_bus_message *m, char ***l); @@ -195,4 +219,17 @@ int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap); int bus_message_parse_fields(sd_bus_message *m); -int bus_header_size(struct bus_header *h, size_t *sum); +bool bus_header_is_complete(struct bus_header *h, size_t size); +int bus_header_message_size(struct bus_header *h, size_t *sum); + +struct bus_body_part *message_append_part(sd_bus_message *m); + +#define MESSAGE_FOREACH_PART(part, i, m) \ + for ((i) = 0, (part) = &(m)->body; (i) < (m)->n_body_parts; (i)++, (part) = (part)->next) + +int bus_body_part_map(struct bus_body_part *part); +void bus_body_part_unmap(struct bus_body_part *part); + +int bus_message_to_errno(sd_bus_message *m); + +int bus_message_new_synthetic_error(sd_bus *bus, uint64_t serial, const sd_bus_error *e, sd_bus_message **m);