version 1.15.2.1, 2013/07/15 13:53:09
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version 1.29, 2024/03/20 17:32:30
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 | Copyright 2004 - 2024 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 48 SUCH DAMAGE.
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Line 48 SUCH DAMAGE.
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#include <assert.h> |
#include <assert.h> |
#include <stdlib.h> | #include <pthread.h> |
#include <string.h> | |
#include <errno.h> | |
#include <sys/types.h> | |
#include <sys/param.h> | |
#if !defined(__NetBSD__) | |
#include <sys/limits.h> | |
#endif | |
#include <sys/socket.h> | |
#include <sys/queue.h> |
#include <sys/queue.h> |
#include <elwix.h> | #include <aitrpc_pkt.h> |
| #include <aitrpc_cli.h> |
#include <aitsched.h> |
#include <aitsched.h> |
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#define RPC_VERSION 6 |
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#define RPC_DEFPORT 2611 |
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/* RPC call request flags */ |
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#define RPC_REPLY 0x0 |
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#define RPC_NOREPLY 0x1 |
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/* RPC builtin registed calls */ |
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#define CALL_TAG_MAX 65535 |
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#define CALL_SRVPING 65534 |
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#define CALL_SRVSHUTDOWN 65533 |
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#define CALL_SRVCLIENTS 65532 |
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#define CALL_SRVCALLS 65531 |
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#define CALL_SRVSESSIONS 65530 |
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#define CALL_BLOBSHUTDOWN 65529 |
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#define CALL_BLOBCLIENTS 65528 |
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#define CALL_BLOBVARS 65527 |
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/* RPC types */ |
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typedef enum { |
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ok, error, no, /* for blob reply */ |
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get, set, unset /* for blob request */ |
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} blob_cmd_type_t; |
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#define RPC_CALLBACK_CHECK_INPUT(x) do { \ |
#define RPC_CALLBACK_CHECK_INPUT(x) do { \ |
assert((x)); \ |
assert((x)); \ |
if (!(x)) { \ |
if (!(x)) { \ |
Line 104 typedef enum {
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Line 65 typedef enum {
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} while (0) |
} while (0) |
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/* RPC session identification */ | /* Network RPC server elements */ |
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typedef struct { |
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#if BYTE_ORDER == LITTLE_ENDIAN |
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uint16_t sess_instance:8; |
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uint16_t sess_version:8; |
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#endif |
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#if BYTE_ORDER == BIG_ENDIAN |
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uint16_t sess_version:8; |
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uint16_t sess_instance:8; |
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#endif |
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} __packed rpc_sess_t; /* size == 2 bytes */ |
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/* Server managment RPC functions ... */ |
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/* Network RPC packet - Client request */ |
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struct tagRPCCall { |
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rpc_sess_t call_session; |
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uint16_t call_seq; |
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uint16_t call_len; |
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uint16_t call_crc; |
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union { |
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struct { |
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uint64_t flags; |
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} call_req; |
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struct { |
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int32_t ret; |
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int32_t eno; |
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} call_rep; |
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}; |
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uint16_t call_tag; |
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uint16_t call_argc; |
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ait_val_t call_argv[0]; |
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} __packed; /* size == 20 bytes */ |
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#define RPC_CHK_NOREPLY(x) ((x)->call_req.flags & RPC_NOREPLY) |
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/* Network BLOB packet - Header */ |
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struct tagBLOBHdr { |
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rpc_sess_t hdr_session; |
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uint8_t hdr_cmd; |
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uint32_t hdr_var; |
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uint32_t hdr_len; |
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uint32_t hdr_ret; |
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uint8_t hdr_pad; |
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} __packed; /* size == 16 bytes */ |
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/* Network RPC client & server elements */ |
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/* RPC function registration element! */ |
/* RPC function registration element! */ |
typedef struct tagRPCFunc { |
typedef struct tagRPCFunc { |
ait_val_t func_name; |
ait_val_t func_name; |
Line 193 typedef struct tagBLOB {
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Line 102 typedef struct tagBLOB {
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typedef struct { |
typedef struct { |
int cli_id; /* slot id */ |
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int cli_sock; /* socket fd */ |
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sockaddr_t cli_sa; /* host address */ |
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ait_val_t cli_buf; /* network buffer */ |
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array_t *cli_vars; /* function return variables */ |
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void *cli_parent; /* pointer to parent rpc_srv_t for server or to rpc_sess_t for client */ |
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} rpc_cli_t; |
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#define RPC_RETVARS(x) ((x)->cli_vars) |
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#define RPC_SRV_SERVER(x) ((rpc_srv_t*) (x)->cli_parent) |
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#define RPC_CLI_SESSION(x) ((rpc_sess_t*) (x)->cli_parent) |
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typedef struct { |
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rpc_sess_t srv_session; /* RPC session registration info */ |
rpc_sess_t srv_session; /* RPC session registration info */ |
int srv_netbuf; /* size of network buffer */ |
int srv_netbuf; /* size of network buffer */ |
int srv_proto; /* Server protocol */ |
int srv_proto; /* Server protocol */ |
Line 245 typedef struct {
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Line 140 typedef struct {
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*/ |
*/ |
typedef int (*rpc_callback_t)(rpc_cli_t *, struct tagRPCCall *, array_t *); |
typedef int (*rpc_callback_t)(rpc_cli_t *, struct tagRPCCall *, array_t *); |
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#define RPC_CALL_DEFINE(x) int (x)(rpc_cli_t*, struct tagRPCCall*, array_t*) |
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#define RPC_CALL_ARGS(arg1, arg2, arg3) rpc_cli_t* arg1, struct tagRPCCall* arg2, array_t* arg3 |
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#define RPC_CALL_STDARGS RPC_CALL_ARGS(cli, rpc, iv) |
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/* ----------------------------------------------------------------------- */ |
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/* Error support functions */ |
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// rpc_GetErrno() Get error code of last operation |
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int rpc_GetErrno(); |
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// rpc_GetError() Get error text of last operation |
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const char *rpc_GetError(); |
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/* |
/* |
* rpc_chkPktSession() - Check RPC session | * rpc_srv_DispatchSignal() - Enable/Disable Signal dispatcher for RPC scheduler |
* |
* |
* @p = packet session | * @x = RPC server instance |
* @s = active session | * @y = Enable or =0 Disable |
* return: -1, 1, 2, 3 are errors or 0 ok | * return: 0 enabled signal dispatcher. See schedSignalDispatch() in libaitsched |
*/ |
*/ |
int rpc_chkPktSession(rpc_sess_t *p, rpc_sess_t *s); | #define rpc_srv_DispatchSignal(x, y) schedSignalDispatch((x)->srv_root, (y)) |
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| /* ----------------------------------------------------------------------- */ |
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/* |
/* |
* rpc_addPktSession() - Prepare session into network format |
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* |
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* @p = packet session |
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* @s = host session |
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* return: -1 error or 0 ok |
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*/ |
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int rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s); |
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/* |
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* rpc_register_srvPing() - Register ping service function |
* rpc_register_srvPing() - Register ping service function |
* |
* |
* @srv = RPC server instance |
* @srv = RPC server instance |
Line 324 void rpc_srv_endServer(rpc_srv_t ** __restrict psrv);
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Line 208 void rpc_srv_endServer(rpc_srv_t ** __restrict psrv);
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* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int rpc_srv_loopServer(rpc_srv_t * __restrict srv); |
int rpc_srv_loopServer(rpc_srv_t * __restrict srv); |
#define rpc_srv_execServer(_srv, _sync) do { assert((_srv)); \ | #define rpc_srv_execServer(_srv, _sync) \ |
if (!(_srv)->srv_kill) { \ | do { assert((_srv)); \ |
pthread_create(&(_srv)->srv_tid, NULL, (void*(*)(void*)) \ | if (!(_srv)->srv_kill) { \ |
rpc_srv_loopServer, (_srv)); \ | pthread_create(&(_srv)->srv_tid, NULL, (void*(*)(void*)) \ |
if ((_sync)) \ | rpc_srv_loopServer, (_srv)); \ |
pthread_join((_srv)->srv_tid, (void**) (_sync)); \ | if ((_sync)) \ |
else \ | pthread_join((_srv)->srv_tid, (void**) (_sync)); \ |
pthread_detach((_srv)->srv_tid); \ | else \ |
} } while (0) | pthread_detach((_srv)->srv_tid); \ |
| } } while (0) |
| #define rpc_srv_killServer(_srv) \ |
| (assert((_srv)), (_srv)->srv_blob.kill = 1, (_srv)->srv_kill = 1) |
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/* |
/* |
* rpc_srv_initBLOBServer() - Init & create BLOB Server |
* rpc_srv_initBLOBServer() - Init & create BLOB Server |
Line 357 void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
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Line 244 void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
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* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv); |
int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv); |
#define rpc_srv_execBLOBServer(_srv) do { assert((_srv)); \ | #define rpc_srv_execBLOBServer(_srv) \ |
if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \ | do { assert((_srv)); \ |
pthread_create(&(_srv)->srv_blob.tid, NULL, \ | if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \ |
(void*(*)(void*)) \ | pthread_create(&(_srv)->srv_blob.tid, NULL, \ |
rpc_srv_loopBLOBServer, (_srv)); \ | (void*(*)(void*)) rpc_srv_loopBLOBServer, (_srv)); \ |
pthread_detach((_srv)->srv_blob.tid); \ | pthread_detach((_srv)->srv_blob.tid); \ |
} \ | } \ |
} while (0) | } while (0) |
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/* |
/* |
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* rpc_srv_initServer2() - Init & create layer2 RPC Server |
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* |
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* @InstID = Instance for authentication & recognition |
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* @concurentClients = Concurent clients at same time to this server |
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* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
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* @csIface = Interface name for bind server, if NULL first interface on host |
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* return: NULL == error or !=NULL bind and created RPC server instance |
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*/ |
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rpc_srv_t *rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf, |
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const char *csIface); |
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/* |
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* rpc_srv_initServerExt() - Init & create pipe RPC Server |
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* |
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* @InstID = Instance for authentication & recognition |
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* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
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* @fd = File descriptor |
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* return: NULL == error or !=NULL bind and created RPC server instance |
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*/ |
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rpc_srv_t *rpc_srv_initServerExt(u_char InstID, int netBuf, int fd); |
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/* |
* rpc_srv_registerCall() - Register call to RPC server |
* rpc_srv_registerCall() - Register call to RPC server |
* |
* |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
Line 409 int rpc_srv_execCall(rpc_cli_t * __restrict cli, struc
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Line 318 int rpc_srv_execCall(rpc_cli_t * __restrict cli, struc
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* |
* |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length object |
* @len = BLOB length object |
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* @tout = BLOB live timeout in seconds |
* return: NULL error or !=NULL allocated BLOB object |
* return: NULL error or !=NULL allocated BLOB object |
*/ |
*/ |
rpc_blob_t *rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len); | rpc_blob_t *rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len, int tout); |
/* |
/* |
* rpc_srv_blobMap() - Map blob to memory region |
* rpc_srv_blobMap() - Map blob to memory region |
* |
* |
Line 441 int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_b
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Line 351 int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_b
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* |
* |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length |
* @len = BLOB length |
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* @tout = BLOB live timeout in seconds |
* return: NULL error or new registered BLOB |
* return: NULL error or new registered BLOB |
*/ |
*/ |
rpc_blob_t *rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_t len); | rpc_blob_t *rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_t len, int tout); |
/* |
/* |
* rpc_srv_unregisterBLOB() - Unregister BLOB from server |
* rpc_srv_unregisterBLOB() - Unregister BLOB from server |
* |
* |
Line 478 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b
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Line 389 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b
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*/ |
*/ |
int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob); |
int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob); |
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/* CLIENT part of functions */ |
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/* |
/* |
* rpc_cli_sendBLOB() - Send BLOB to server | * rpc_srv_Return() - Prepare IPC return answer to RPC client |
* |
* |
* @cli = Client instance | * @c = RPC client |
* @var = BLOB variable | * return: number of arguments in response |
* @data = BLOB data | |
* @tout = BLOB live on server timeout in seconds, if =NULL default timeout | |
* return: -1 error, 0 ok, 1 remote error | |
*/ |
*/ |
int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, | int rpc_srv_Return(rpc_cli_t *c); |
void * __restrict data, int * __restrict tout); | |
/* | |
* rpc_cli_recvBLOB() - Receive BLOB from server | |
* | |
* @cli = Client instance | |
* @var = BLOB variable | |
* @data = BLOB data, must be e_free after use! | |
* return: -1 error, 0 ok, 1 remote error | |
*/ | |
int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data); | |
/* | |
* rpc_cli_delBLOB() - Delete BLOB from server | |
* | |
* @cli = Client instance | |
* @var = BLOB variable | |
* return: -1 error, 0 ok, 1 remote error | |
*/ | |
int rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var); | |
/* | |
* rpc_cli_getBLOB() - Receive BLOB from server and Delete after that. | |
* | |
* @cli = Client instance | |
* @var = BLOB variable | |
* @data = BLOB data, must be e_free after use! | |
* return: -1 error, 0 ok, >0 remote error | |
*/ | |
int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, | |
void ** __restrict data); | |
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/* RPC Client side functions */ | |
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/* | |
* rpc_cli_openClient() - Connect to RPC Server | |
* | |
* @InstID = InstID for RPC session request | |
* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) | |
* @csHost = Host name or IP address for bind server | |
* @Port = Port for bind server, if Port == 0 default port is selected | |
* @proto = Protocol, if == 0 choose SOCK_STREAM | |
* return: NULL == error or !=NULL connection to RPC server established | |
*/ | |
rpc_cli_t *rpc_cli_openClient(unsigned char InstID, int netBuf, | |
const char *csHost, unsigned short Port, int proto); | |
/* | |
* rpc_cli_closeClient() - Close connection to RPC server and free resources | |
* | |
* @cli = RPC Client session | |
* return: none | |
*/ | |
void rpc_cli_closeClient(rpc_cli_t ** __restrict cli); | |
/* | |
* rpc_pkt_Send() - Send RPC packet | |
* | |
* @sock = Socket | |
* @type = Type of socket | |
* @sa = Server address | |
* @pkt = RPC packet | |
* @len = Length of packet | |
* return: -1 error or !=-1 sended bytes | |
*/ | |
int rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, | |
ait_val_t * __restrict pkt, int len); | |
/* | |
* rpc_pkt_Receive() - Receive RPC packet | |
* | |
* @sock = Socket | |
* @type = Type of socket | |
* @sa = Server address | |
* @pkt = RPC packet | |
* return: -1 error or !=-1 sended bytes | |
*/ | |
int rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, | |
ait_val_t * __restrict pkt); | |
/* | |
* rpc_pkt_Request() - Build RPC Request packet | |
* | |
* @pkt = Packet buffer | |
* @sess = RPC session info | |
* @tag = Function tag for execution | |
* @vars = Function argument array of values, may be NULL | |
* @noreply = We not want RPC reply | |
* @nocrc = Without CRC calculation | |
* return: -1 error or != -1 prepared bytes into packet | |
*/ | |
int rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, | |
unsigned short tag, array_t * __restrict vars, int noreply, int nocrc); | |
/* | |
* rpc_pkt_Replay() - Decode RPC Replay packet | |
* | |
* @pkt = Packet buffer | |
* @sess = RPC session info | |
* @tag = Function tag | |
* @vars = Function argument array of values, may be NULL | |
* @nocrc = Without CRC calculation | |
* return: -1 error or != -1 return value from function | |
*/ | |
int rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, | |
unsigned short tag, array_t ** __restrict vars, int nocrc); | |
/* | |
* rpc_cli_execCall() - Execute RPC call | |
* | |
* @cli = RPC Client session | |
* @noreply = We not want RPC reply | |
* @tag = Function tag for execution | |
* @in_vars = IN function argument array of values, may be NULL | |
* @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() | |
* return: -1 error or != -1 ok result | |
*/ | |
int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag, | |
array_t * __restrict in_vars, array_t ** __restrict out_vars); | |
/* | |
* rpc_cli_freeCall() - Free resouce allocated by RPC call | |
* | |
* @out_vars = Returned array with variables from RPC call | |
* return: none | |
*/ | |
void rpc_cli_freeCall(array_t ** __restrict out_vars); | |
/* | |
* rpc_cli_ping() - Ping RPC server | |
* | |
* @cli = connected client | |
* return: -1 error or !=-1 ping seq id | |
*/ | |
int rpc_cli_ping(rpc_cli_t *cli); | |
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/* | |
* rpc_cli_openBLOBClient() - Connect to BLOB Server | |
* | |
* @rpccli = RPC Client session | |
* @Port = Port for bind server, if Port == 0 default port is selected | |
* return: NULL == error or !=NULL connection to BLOB server established | |
*/ | |
rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, unsigned short Port); | |
/* | |
* rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources | |
* | |
* @cli = BLOB Client session | |
* return: none | |
*/ | |
void rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli); | |
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#endif |
#endif |