version 1.21, 2013/11/22 13:41:33
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version 1.28, 2015/07/02 22:28:14
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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 - 2015 |
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 <stdlib.h> |
#include <string.h> | //#include <string.h> |
#include <errno.h> | //#include <errno.h> |
#include <sys/types.h> | //#include <sys/types.h> |
#include <sys/param.h> | //#include <sys/param.h> |
#if !defined(__NetBSD__) | //#if !defined(__NetBSD__) |
#include <sys/limits.h> | //#include <sys/limits.h> |
#endif | //#endif |
#include <sys/socket.h> | //#include <sys/socket.h> |
| #include <pthread.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 7 |
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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 signals */ |
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#define SIGFBLOB 54 |
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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 106 typedef enum {
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Line 74 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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uint32_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) (ntohl((u_long) (x)->call_req.flags) & RPC_NOREPLY) |
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#define RPC_SET_ERRNO(x, _v) ((x)->call_rep.eno = htonl((_v))) |
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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 195 typedef struct tagBLOB {
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Line 111 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 247 typedef struct {
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Line 149 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_SetErr() Set error to variables for internal use!!! |
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void rpc_SetErr(int eno, char *estr, ...); |
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/* |
/* |
* rpc_Read() - RPC read operation |
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* |
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* @sock = socket |
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* @type = type of socket |
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* @flags = receive flags |
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* @sa = check client address, if you use udp protocol |
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* @buf = buffer |
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* @blen = buffer length |
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* return: -1 error or >-1 readed bytes into buffer |
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*/ |
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ssize_t rpc_Read(int sock, int type, int flags, sockaddr_t * __restrict sa, |
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unsigned char * __restrict buf, size_t blen); |
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/* |
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* rpc_Write() - RPC write operation |
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* |
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* @sock = socket |
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* @type = type of socket |
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* @flags = send flags |
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* @sa = send to client address, if you use udp protocol |
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* @buf = buffer |
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* @blen = buffer length |
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* return: -1 error or >-1 written bytes into buffer |
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*/ |
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ssize_t rpc_Write(int sock, int type, int flags, sockaddr_t * __restrict sa, |
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unsigned char * __restrict buf, size_t blen); |
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/* |
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* rpc_chkPktSession() - Check RPC session |
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* |
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* @p = packet session |
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* @s = active session |
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* return: -1, 1, 2, 3 are errors or 0 ok |
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*/ |
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int rpc_chkPktSession(rpc_sess_t *p, rpc_sess_t *s); |
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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 356 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); \ |
#define rpc_srv_killServer(_srv) (assert((_srv)), (_srv)->srv_blob.kill = 1, (_srv)->srv_kill = 1) | } } 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 390 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 512 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b
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Line 388 int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_b
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* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
*/ |
*/ |
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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/* |
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* rpc_cli_sendBLOB() - Send BLOB to server |
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* |
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* @cli = Client instance |
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* @var = BLOB variable |
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* @data = BLOB data |
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* @tout = BLOB live on server timeout in seconds, if =0 default timeout |
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* return: -1 error, 0 ok, 1 remote error |
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*/ |
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int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, |
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void * __restrict data, int tout); |
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/* |
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* rpc_cli_recvBLOB() - Receive BLOB from server |
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* |
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* @cli = Client instance |
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* @var = BLOB variable |
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* @data = BLOB data, must be e_free after use! |
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* return: -1 error, 0 ok, 1 remote error |
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*/ |
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int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data); |
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/* |
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* rpc_cli_delBLOB() - Delete BLOB from server |
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* |
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* @cli = Client instance |
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* @var = BLOB variable |
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* return: -1 error, 0 ok, 1 remote error |
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*/ |
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int rpc_cli_delBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var); |
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/* |
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* rpc_cli_getBLOB() - Receive BLOB from server and Delete after that. |
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* |
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* @cli = Client instance |
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* @var = BLOB variable |
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* @data = BLOB data, must be e_free after use! |
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* return: -1 error, 0 ok, >0 remote error |
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*/ |
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int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, |
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void ** __restrict data); |
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/* RPC Client side functions */ |
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/* |
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* rpc_cli_openClient() - Connect to RPC Server |
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* |
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* @InstID = InstID for RPC session request |
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* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
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* @csHost = Host name or IP address for bind server |
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* @Port = Port for bind server, if Port == 0 default port is selected |
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* @proto = Protocol, if == 0 choose SOCK_STREAM |
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* return: NULL == error or !=NULL connection to RPC server established |
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*/ |
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rpc_cli_t *rpc_cli_openClient(unsigned char InstID, int netBuf, |
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const char *csHost, unsigned short Port, int proto); |
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/* |
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* rpc_cli_closeClient() - Close connection to RPC server and free resources |
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* |
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* @cli = RPC Client session |
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* return: none |
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*/ |
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void rpc_cli_closeClient(rpc_cli_t ** __restrict cli); |
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/* |
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* rpc_pkt_Send() - Send RPC packet |
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* |
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* @sock = Socket |
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* @type = Type of socket |
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* @sa = Server address |
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* @pkt = RPC packet |
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* @len = Length of packet |
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* return: -1 error or !=-1 sended bytes |
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*/ |
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int rpc_pkt_Send(int sock, int type, sockaddr_t * __restrict sa, |
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ait_val_t * __restrict pkt, int len); |
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/* |
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* rpc_pkt_Receive() - Receive RPC packet |
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* |
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* @sock = Socket |
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* @type = Type of socket |
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* @sa = Server address |
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* @pkt = RPC packet |
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* return: -1 error or !=-1 sended bytes |
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*/ |
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int rpc_pkt_Receive(int sock, int type, sockaddr_t * __restrict sa, |
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ait_val_t * __restrict pkt); |
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/* |
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* rpc_pkt_Request() - Build RPC Request packet |
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* |
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* @pkt = Packet buffer |
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* @sess = RPC session info |
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* @tag = Function tag for execution |
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* @vars = Function argument array of values, may be NULL |
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* @noreply = We not want RPC reply |
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* @nocrc = Without CRC calculation |
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* return: -1 error or != -1 prepared bytes into packet |
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*/ |
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int rpc_pkt_Request(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, |
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unsigned short tag, array_t * __restrict vars, int noreply, int nocrc); |
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/* |
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* rpc_pkt_Replay() - Decode RPC Replay packet |
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* |
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* @pkt = Packet buffer |
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* @sess = RPC session info |
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* @tag = Function tag |
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* @vars = Function argument array of values, may be NULL |
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* @nocrc = Without CRC calculation |
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* return: -1 error or != -1 return value from function |
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*/ |
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int rpc_pkt_Replay(ait_val_t * __restrict pkt, rpc_sess_t * __restrict sess, |
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unsigned short tag, array_t ** __restrict vars, int nocrc); |
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/* |
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* rpc_cli_execCall() - Execute RPC call |
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* |
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* @cli = RPC Client session |
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* @noreply = We not want RPC reply |
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* @tag = Function tag for execution |
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* @in_vars = IN function argument array of values, may be NULL |
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* @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() |
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* return: -1 error or != -1 ok result |
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*/ |
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int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag, |
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array_t * __restrict in_vars, array_t ** __restrict out_vars); |
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/* |
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* rpc_cli_freeCall() - Free resouce allocated by RPC call |
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* |
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* @out_vars = Returned array with variables from RPC call |
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* return: none |
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*/ |
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void rpc_cli_freeCall(array_t ** __restrict out_vars); |
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/* |
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* rpc_cli_ping() - Ping RPC server |
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* |
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* @cli = connected client |
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* return: -1 error or !=-1 ping seq id |
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*/ |
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int rpc_cli_ping(rpc_cli_t *cli); |
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/* |
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* rpc_cli_openBLOBClient() - Connect to BLOB Server |
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* |
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* @rpccli = RPC Client session |
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* @Port = Port for bind server, if Port == 0 default port is selected |
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* return: NULL == error or !=NULL connection to BLOB server established |
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*/ |
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rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, unsigned short Port); |
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/* |
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* rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources |
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* |
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* @cli = BLOB Client session |
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* return: none |
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*/ |
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void rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli); |
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#endif |
#endif |