X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-message.h;h=c79ff1bc932a2f60a518fa3dec59ccbe174a3428;hp=d1ab5484ba2b3de5198206f1378d41fc69aad28a;hb=40ca29a1370379d43e44c0ed425eecc7218dcbca;hpb=dd418b9a69cdfc7c186d86d03b34d83577b0c319 diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index d1ab5484b..c79ff1bc9 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -33,11 +33,12 @@ struct bus_container { char enclosing; + unsigned index, saved_index; + char *signature; - unsigned index; uint32_t *array_size; - size_t begin; + size_t before, begin; }; struct bus_header { @@ -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; @@ -67,6 +82,9 @@ struct sd_bus_message { gid_t gid; pid_t pid; pid_t tid; + usec_t pid_starttime; + usec_t monotonic; + usec_t realtime; bool sealed:1; bool dont_send:1; @@ -74,19 +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; @@ -94,12 +114,36 @@ struct sd_bus_message { struct bus_container root_container, *containers; unsigned n_containers; - struct iovec iovec[4]; + struct iovec *iovec; + struct iovec iovec_fixed[2]; unsigned n_iovec; + struct kdbus_msg *kdbus; + char *peeked_signature; usec_t timeout; + + char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1]; + char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1]; + + const char *exe; + const char *comm; + const char *tid_comm; + const char *cgroup; + + const char *cmdline; + size_t cmdline_length; + char **cmdline_array; + + char *session; + char *unit; + char *user_unit; + + struct kdbus_audit *audit; + + uint8_t *capability; + size_t capability_size; }; #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN) @@ -135,11 +179,15 @@ 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); @@ -171,4 +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);