diff options
Diffstat (limited to 'lib9p/include')
| -rw-r--r-- | lib9p/include/lib9p/srv.h | 95 |
1 files changed, 51 insertions, 44 deletions
diff --git a/lib9p/include/lib9p/srv.h b/lib9p/include/lib9p/srv.h index 0fc9011..83aabc0 100644 --- a/lib9p/include/lib9p/srv.h +++ b/lib9p/include/lib9p/srv.h @@ -11,7 +11,9 @@ #include <libcr_ipc/rpc.h> #include <libcr_ipc/chan.h> #include <libhw/generic/net.h> +#include <libmisc/assert.h> #include <libmisc/private.h> +#include <libobj/obj.h> #include <lib9p/9p.h> @@ -35,48 +37,53 @@ int lib9p_srv_acknowledge_flush(struct lib9p_srv_ctx *ctx); /* interface definitions ******************************************************/ -struct lib9p_srv_file_vtable; - -typedef struct { - struct lib9p_srv_file_vtable *vtable; -} implements_lib9p_srv_file; - -struct lib9p_srv_file_vtable { - /* all - resource management */ - void (*free )(implements_lib9p_srv_file *); /* must not error */ - struct lib9p_qid (*qid )(implements_lib9p_srv_file *); /* must not error */ - uint32_t (*chio )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - bool rd, bool wr, bool trunc); - - /* all - syscalls */ - struct lib9p_stat (*stat )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *); - void (*wstat )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - struct lib9p_stat new); - void (*remove )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *); - - /* directories - base */ - implements_lib9p_srv_file *(*dopen )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - struct lib9p_s childname); - implements_lib9p_srv_file *(*dcreate)(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - struct lib9p_s childname, - lib9p_dm_t perm, lib9p_o_t flags); - - /* directories - once opened */ - size_t /* <- obj cnt */ (*dread )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - uint8_t *buf, - uint32_t byte_count, /* <- num bytes */ - size_t obj_offset); /* <- starting at this object */ - - /* non-directories - once opened */ - uint32_t (*pread )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - void *buf, - uint32_t byte_count, - uint64_t byte_offset); - uint32_t (*pwrite )(implements_lib9p_srv_file *, struct lib9p_srv_ctx *, - void *buf, - uint32_t byte_count, - uint64_t byte_offset); -}; +#define lib9p_srv_file_LO_IFACE \ + /* all - resource management */ \ + LO_FUNC(void , free ) /* must not error */ \ + LO_FUNC(struct lib9p_qid , qid ) /* must not error */ \ + LO_FUNC(uint32_t , chio , struct lib9p_srv_ctx *, \ + bool rd, bool wr, \ + bool trunc) \ + \ + /* all - syscalls */ \ + LO_FUNC(struct lib9p_stat , stat , struct lib9p_srv_ctx *) \ + LO_FUNC(void , wstat , struct lib9p_srv_ctx *, \ + struct lib9p_stat new) \ + LO_FUNC(void , remove , struct lib9p_srv_ctx *) \ + \ + /* directories - base */ \ + LO_FUNC(lo_interface lib9p_srv_file, dopen , struct lib9p_srv_ctx *, \ + struct lib9p_s childname) \ + LO_FUNC(lo_interface lib9p_srv_file, dcreate, struct lib9p_srv_ctx *, \ + struct lib9p_s childname, \ + lib9p_dm_t perm, \ + lib9p_o_t flags) \ + \ + /* directories - once opened */ \ + LO_FUNC(size_t /* <- obj cnt */ , dread , struct lib9p_srv_ctx *, \ + uint8_t *buf, \ + /* num bytes -> */ uint32_t byte_count, \ + /* starting at this object -> */ size_t obj_offset) \ + \ + /* non-directories - once opened */ \ + LO_FUNC(uint32_t , pread , struct lib9p_srv_ctx *, \ + void *buf, \ + uint32_t byte_count, \ + uint64_t byte_offset) \ + LO_FUNC(uint32_t , pwrite , struct lib9p_srv_ctx *, \ + void *buf, \ + uint32_t byte_count, \ + uint64_t byte_offset) +LO_INTERFACE(lib9p_srv_file) + +#define LIB9P_SRV_NOTDIR(TYP, NAM) \ + static lo_interface lib9p_srv_file NAM##_dopen (TYP *, struct lib9p_srv_ctx *, struct lib9p_s) { assert_notreached("not a directory"); } \ + static lo_interface lib9p_srv_file NAM##_dcreate(TYP *, struct lib9p_srv_ctx *, struct lib9p_s, lib9p_dm_t, lib9p_o_t) { assert_notreached("not a directory"); } \ + static size_t NAM##_dread (TYP *, struct lib9p_srv_ctx *, uint8_t *, uint32_t, size_t) { assert_notreached("not a directory"); } + +#define LIB9P_SRV_NOTFILE(TYP, NAM) \ + static uint32_t NAM##_pread (TYP *, struct lib9p_srv_ctx *, void *, uint32_t, uint64_t) { assert_notreached("not a file"); } \ + static uint32_t NAM##_pwrite(TYP *, struct lib9p_srv_ctx *, void *, uint32_t, uint64_t) { assert_notreached("not a file"); } /* main server entrypoints ****************************************************/ @@ -84,8 +91,8 @@ CR_RPC_DECLARE(_lib9p_srv_reqch, struct _lib9p_srv_req *, bool) struct lib9p_srv { /* Things you provide */ - void /*TODO*/ (*auth )(struct lib9p_srv_ctx *, struct lib9p_s treename); /* optional */ - implements_lib9p_srv_file *(*rootdir)(struct lib9p_srv_ctx *, struct lib9p_s treename); + void /*TODO*/ (*auth )(struct lib9p_srv_ctx *, struct lib9p_s treename); /* optional */ + lo_interface lib9p_srv_file (*rootdir)(struct lib9p_srv_ctx *, struct lib9p_s treename); /* For internal use */ BEGIN_PRIVATE(LIB9P_SRV_H) |