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123 lines
4.0 KiB
123 lines
4.0 KiB
/* $Id$
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*
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* SER Remote Procedure Call Interface
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*
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* Copyright (C) 2005 iptelorg GmbH
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _RPC_H
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#define _RPC_H
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/*
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* TODO: Add the possibility to add printf-like formatted string to fault
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*/
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enum rpc_flags {
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RET_ARRAY = (1 << 0),
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RET_VALUE = (1 << 1)
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};
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typedef enum rpc_capabilities {
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RPC_DELAYED_REPLY = (1 <<0) /* delayed reply support */
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} rpc_capabilities_t;
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struct rpc_delayed_ctx;
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/* Send the result to the caller */
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typedef int (*rpc_send_f)(void* ctx); /* Send the reply to the client */
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typedef void (*rpc_fault_f)(void* ctx, int code, char* fmt, ...); /* Signal a failure to the client */
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typedef int (*rpc_add_f)(void* ctx, char* fmt, ...); /* Add a new piece of data to the result */
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typedef int (*rpc_scan_f)(void* ctx, char* fmt, ...); /* Retrieve request parameters */
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typedef int (*rpc_printf_f)(void* ctx, char* fmt, ...); /* Add printf-like formated data to the result set */
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typedef int (*rpc_struct_add_f)(void* ctx, char* fmt, ...); /* Create a new structure */
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typedef int (*rpc_struct_scan_f)(void* ctx, char* fmt, ...); /* Scan attributes of a structure */
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typedef int (*rpc_struct_printf_f)(void* ctx, char* name, char* fmt, ...); /* Struct version of rpc_printf */
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/* returns the supported capabilities */
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typedef rpc_capabilities_t (*rpc_capabilities_f)(void* ctx);
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/* create a special "context" for delayed replies */
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typedef struct rpc_delayed_ctx* (*rpc_delayed_ctx_new_f)(void* ctx);
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/* close the special "context" for delayed replies */
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typedef void (*rpc_delayed_ctx_close_f)(struct rpc_delayed_ctx* dctx);
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/*
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* RPC context, this is what RPC functions get as a parameter and use
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* it to obtain the value of the parameters of the call and reference
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* to the result structure that will be returned to the caller
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*/
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typedef struct rpc {
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rpc_fault_f fault;
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rpc_send_f send;
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rpc_add_f add;
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rpc_scan_f scan;
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rpc_printf_f printf;
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rpc_struct_add_f struct_add;
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rpc_struct_scan_f struct_scan;
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rpc_struct_printf_f struct_printf;
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rpc_capabilities_f capabilities;
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rpc_delayed_ctx_new_f delayed_ctx_new;
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rpc_delayed_ctx_close_f delayed_ctx_close;
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} rpc_t;
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typedef struct rpc_delayed_ctx{
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rpc_t rpc;
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void* reply_ctx;
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/* more private data might follow */
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} rpc_delayed_ctx_t;
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/*
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* RPC Function Prototype
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*/
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typedef void (*rpc_function_t)(rpc_t* rpc, void* ctx);
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/*
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* RPC callback context.
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*
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* Defines a convenient way of packing an rpc callback
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* (rpc_function_t) parameters and it's not used/needed
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* by the rpc api/interface.
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*/
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typedef struct rpc_cb_ctx {
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rpc_t *rpc;
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void *c;
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} rpc_cb_ctx_t;
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/*
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* Remote Procedure Call Export
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*/
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typedef struct rpc_export {
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const char* name; /* Name of the RPC function (null terminated) */
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rpc_function_t function; /* Pointer to the function */
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const char** doc_str; /* Documentation strings, method signature and description */
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unsigned int flags; /* Various flags, reserved for future use */
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} rpc_export_t;
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#endif /* _RPC_H */
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