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84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
#ifndef MPACK_RPC_H
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#define MPACK_RPC_H
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#include "mpack_core.h"
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#include "object.h"
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#ifndef MPACK_RPC_MAX_REQUESTS
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# define MPACK_RPC_MAX_REQUESTS 32
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#endif
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enum {
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MPACK_RPC_REQUEST = MPACK_NOMEM + 1,
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MPACK_RPC_RESPONSE,
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MPACK_RPC_NOTIFICATION,
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MPACK_RPC_ERROR
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};
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enum {
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MPACK_RPC_EARRAY = MPACK_RPC_ERROR,
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MPACK_RPC_EARRAYL,
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MPACK_RPC_ETYPE,
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MPACK_RPC_EMSGID,
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MPACK_RPC_ERESPID
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};
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typedef struct mpack_rpc_header_s {
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mpack_token_t toks[3];
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int index;
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} mpack_rpc_header_t;
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typedef struct mpack_rpc_message_s {
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mpack_uint32_t id;
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mpack_data_t data;
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} mpack_rpc_message_t;
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struct mpack_rpc_slot_s {
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int used;
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mpack_rpc_message_t msg;
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};
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#define MPACK_RPC_SESSION_STRUCT(c) \
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struct { \
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mpack_tokbuf_t reader, writer; \
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mpack_rpc_header_t receive, send; \
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mpack_uint32_t request_id, capacity; \
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struct mpack_rpc_slot_s slots[c]; \
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}
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/* Some compilers warn against anonymous structs:
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* https://github.com/libmpack/libmpack/issues/6 */
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typedef MPACK_RPC_SESSION_STRUCT(1) mpack_rpc_one_session_t;
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#define MPACK_RPC_SESSION_STRUCT_SIZE(c) \
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(sizeof(struct mpack_rpc_slot_s) * (c - 1) + \
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sizeof(mpack_rpc_one_session_t))
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typedef MPACK_RPC_SESSION_STRUCT(MPACK_RPC_MAX_REQUESTS) mpack_rpc_session_t;
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MPACK_API void mpack_rpc_session_init(mpack_rpc_session_t *s, mpack_uint32_t c)
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FUNUSED FNONULL;
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MPACK_API int mpack_rpc_receive_tok(mpack_rpc_session_t *s, mpack_token_t t,
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mpack_rpc_message_t *msg) FUNUSED FNONULL;
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MPACK_API int mpack_rpc_request_tok(mpack_rpc_session_t *s, mpack_token_t *t,
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mpack_data_t d) FUNUSED FNONULL_ARG((1,2));
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MPACK_API int mpack_rpc_reply_tok(mpack_rpc_session_t *s, mpack_token_t *t,
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mpack_uint32_t i) FUNUSED FNONULL;
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MPACK_API int mpack_rpc_notify_tok(mpack_rpc_session_t *s, mpack_token_t *t)
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FUNUSED FNONULL;
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MPACK_API int mpack_rpc_receive(mpack_rpc_session_t *s, const char **b,
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size_t *bl, mpack_rpc_message_t *m) FUNUSED FNONULL;
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MPACK_API int mpack_rpc_request(mpack_rpc_session_t *s, char **b, size_t *bl,
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mpack_data_t d) FUNUSED FNONULL_ARG((1,2,3));
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MPACK_API int mpack_rpc_reply(mpack_rpc_session_t *s, char **b, size_t *bl,
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mpack_uint32_t i) FNONULL FUNUSED;
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MPACK_API int mpack_rpc_notify(mpack_rpc_session_t *s, char **b, size_t *bl)
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FNONULL FUNUSED;
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MPACK_API void mpack_rpc_session_copy(mpack_rpc_session_t *d,
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mpack_rpc_session_t *s) FUNUSED FNONULL;
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#endif /* MPACK_RPC_H */
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