Annotation of libaitrpc/inc/aitrpc.h, revision 1.1.1.1.2.18
1.1 misho 1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.1.1.1.2.18! misho 6: * $Id: aitrpc.h,v 1.1.1.1.2.17 2010/07/07 15:18:22 misho Exp $
1.1 misho 7: *
8: *************************************************************************/
9: #ifndef __AITRPC_H
10: #define __AITRPC_H
11:
12:
13: #include <assert.h>
14: #include <stdlib.h>
15: #include <string.h>
16: #include <sys/types.h>
17: #include <sys/param.h>
18: #include <sys/limits.h>
19: #include <sys/socket.h>
20:
21:
22: #define RPC_VERSION 1
23: #define RPC_DEFPORT 2611
24:
25:
26: /* RPC builtin registed calls */
27:
1.1.1.1.2.5 misho 28: #define CALL_BLOBSHUTDOWN "rpcBLOBServerShutdown"
29: #define CALL_BLOBCLIENTS "rpcBLOBServerClients"
30: #define CALL_BLOBVARS "rpcBLOBServerVars"
1.1.1.1.2.12 misho 31: #define CALL_BLOBSTATE "rpcBLOBServerState"
1.1.1.1.2.5 misho 32:
1.1.1.1.2.1 misho 33: #define CALL_SRVSHUTDOWN "rpcServerShutdown"
1.1 misho 34: #define CALL_SRVCLIENTS "rpcServerClients"
35: #define CALL_SRVCALLS "rpcServerCalls"
36: #define CALL_SRVSESSIONS "rpcServerSessions"
37:
38:
39: /* RPC types */
40:
41: typedef enum {
42: empty, // empty -> variable is not set
1.1.1.1.2.3 misho 43: buffer, string, blob, // buffer -> uint8_t*; string -> int8_t*; blob -> void*(+socket);
1.1 misho 44: size, offset, datetime, // size -> size_t; offset -> off_t; datetime -> time_t;
45: real, bigreal, // real -> float; bigreal -> double;
46: u8, u16, u32, u64, // unsigned integers ...
47: i8, i16, i32, i64 // integers ...
48: } rpc_type_t;
49:
1.1.1.1.2.6 misho 50: typedef enum {
1.1.1.1.2.8 misho 51: disable, enable, // for blob.state
52: ok, error, // for blob reply
53: get, set, unset // for blob request
1.1.1.1.2.6 misho 54: } cmd_type_t;
55:
1.1 misho 56: /* RPC value */
57:
58: typedef struct {
59: rpc_type_t val_type;
60: size_t val_len;
61: union {
62: uint8_t *buffer;
63: int8_t *string;
1.1.1.1.2.17 misho 64: uint32_t blob;
1.1 misho 65: size_t size;
66: off_t offset;
67: time_t datetime;
68: float real;
69: double bigreal;
70: uint8_t u8;
71: uint16_t u16;
72: uint32_t u32;
73: uint64_t u64;
74: int8_t i8;
75: int16_t i16;
76: int32_t i32;
77: int64_t i64;
78: } val;
79: } __packed rpc_val_t;
80:
81: #define RPC_TYPE_VAL(vl) ((vl)->val_type)
82: #define RPC_LEN_VAL(vl) ((vl)->val_len)
1.1.1.1.2.3 misho 83: #define RPC_BLOB_CHUNKS(vl, n) ((vl)->val_len / (n) + ((vl)->val_len % (n)) ? 1 : 0)
1.1 misho 84: #define RPC_EMPTY_VAL(vl) ((vl)->val_type == empty)
85:
86: #define RPC_GET_BUF(vl) (assert((vl)->val_type == buffer), (vl)->val.buffer)
87: #define RPC_GET_STR(vl) (assert((vl)->val_type == string), (vl)->val.string)
1.1.1.1.2.3 misho 88: #define RPC_GET_BLOB(vl) (assert((vl)->val_type == blob), (vl)->val.blob)
1.1 misho 89: #define RPC_GET_SIZE(vl) (assert((vl)->val_type == size), (vl)->val.size)
90: #define RPC_GET_OFF(vl) (assert((vl)->val_type == offset), (vl)->val.offset)
91: #define RPC_GET_TIME(vl) (assert((vl)->val_type == datetime), (vl)->val.datetime)
92: #define RPC_GET_REAL(vl) (assert((vl)->val_type == real), (vl)->val.real)
93: #define RPC_GET_BREAL(vl) (assert((vl)->val_type == bigreal), (vl)->val.bigreal)
94: #define RPC_GET_U8(vl) (assert((vl)->val_type == u8), (vl)->val.u8)
95: #define RPC_GET_U16(vl) (assert((vl)->val_type == u16), (vl)->val.u16)
96: #define RPC_GET_U32(vl) (assert((vl)->val_type == u32), (vl)->val.u32)
97: #define RPC_GET_U64(vl) (assert((vl)->val_type == u64), (vl)->val.u64)
98: #define RPC_GET_I8(vl) (assert((vl)->val_type == i8), (vl)->val.i8)
99: #define RPC_GET_I16(vl) (assert((vl)->val_type == i16), (vl)->val.i16)
100: #define RPC_GET_I32(vl) (assert((vl)->val_type == i32), (vl)->val.i32)
101: #define RPC_GET_I64(vl) (assert((vl)->val_type == i64), (vl)->val.i64)
102:
103: #define RPC_SET_BUF(vl, v, l) do { rpc_val_t *val = (vl); assert(val); val->val.buffer = malloc(l); \
104: if (val->val.buffer) { \
105: val->val_type = buffer; val->val_len = l; \
106: memcpy(val->val.buffer, v, l); \
107: } } while (0)
108: #define RPC_SET_STR(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val.string = (int8_t*) strdup(v); \
109: if (val->val.string) { \
110: val->val_type = string; val->val_len = strlen(v) + 1; \
111: } } while (0)
1.1.1.1.2.17 misho 112: #define RPC_SET_BLOB(vl, v, l) do { rpc_val_t *val = (vl); assert(val); val->val_type = blob; \
113: val->val.blob = v; val->val_len = l; } while (0)
114: #define RPC_SET_BLOB2(vl, b) do { rpc_val_t *val = (vl); assert(val); assert(b); val->val_type = blob; \
115: val->val.blob = b->blob_var; val->val_len = b->blob_len; } while (0)
1.1 misho 116: #define RPC_SET_SIZE(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = size; val->val.size = v; \
117: val->val_len = sizeof(size_t); } while (0)
118: #define RPC_SET_OFF(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = offset; val->val.offset = v; \
119: val->val_len = sizeof(off_t); } while (0)
120: #define RPC_SET_TIME(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = datetime; val->val.datetime = v; \
121: val->val_len = sizeof(time_t); } while (0)
122: #define RPC_SET_REAL(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = real; val->val.real = v; \
123: val->val_len = sizeof(float); } while (0)
124: #define RPC_SET_BREAL(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = bigreal; val->val.bigreal = v; \
125: val->val_len = sizeof(double); } while (0)
126: #define RPC_SET_U8(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u8; val->val.u8 = v; \
127: val->val_len = sizeof(uint8_t); } while (0)
128: #define RPC_SET_U16(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u16; val->val.u16 = v; \
129: val->val_len = sizeof(uint16_t); } while (0)
130: #define RPC_SET_U32(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u32; val->val.u32 = v; \
131: val->val_len = sizeof(uint32_t); } while (0)
132: #define RPC_SET_U64(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u64; val->val.u64 = v; \
133: val->val_len = sizeof(uint64_t); } while (0)
134: #define RPC_SET_I8(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i8; val->val.i8 = v; \
135: val->val_len = sizeof(int8_t); } while (0)
136: #define RPC_SET_I16(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i16; val->val.i16 = v; \
137: val->val_len = sizeof(int16_t); } while (0)
138: #define RPC_SET_I32(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i32; val->val.i32 = v; \
139: val->val_len = sizeof(int32_t); } while (0)
140: #define RPC_SET_I64(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i64; val->val.i64 = v; \
141: val->val_len = sizeof(int64_t); } while (0)
142:
143: #define RPC_FREE_VAL(vl) do { rpc_val_t *val = (vl); assert(val); \
144: if (val->val_type == buffer && val->val.buffer) { \
145: free(val->val.buffer); \
146: val->val.buffer = NULL; \
147: } \
148: if (val->val_type == string && val->val.string) { \
149: free(val->val.string); \
150: val->val.string = NULL; \
151: } \
152: val->val_type = val->val_len = 0; \
153: } while (0)
154:
155:
1.1.1.1.2.18! misho 156: #define RPC_CALLBACK_CHK_RETARGS(f, n) do { \
1.1 misho 157: if (f->func_args != n) { \
158: rpc_SetErr(22, "Error:: different number of arguments!\n"); \
159: return -1; \
160: } \
1.1.1.1.2.1 misho 161: } while (0)
1.1.1.1.2.11 misho 162: #define RPC_CALLBACK_CHECK_INPUT(f) do { \
163: if (!f) { \
1.1.1.1.2.1 misho 164: rpc_SetErr(22, "Error:: invalid callback parameters ...\n"); \
165: return -1; \
166: } \
167: } while (0)
1.1 misho 168:
169:
170: /* RPC session identification */
171:
172: typedef struct {
173: uint8_t sess_version;
174: uint32_t sess_program;
175: uint32_t sess_process;
176: } __packed rpc_sess_t;
177:
178:
179: /* Server managment RPC functions ... */
180:
181: // RPC function registration element!
182: typedef struct tagRPCFunc {
183: uint16_t func_tag;
184: uint32_t func_hash;
185: int8_t func_file[MAXPATHLEN];
186: int8_t func_name[UCHAR_MAX + 1];
187:
188: int8_t func_args;
189: rpc_val_t *func_vals;
190:
1.1.1.1.2.11 misho 191: void *func_parent;
1.1 misho 192: struct tagRPCFunc *func_next;
193: } rpc_func_t;
194:
195:
196: /* Network RPC packet - Client request */
197:
198: struct tagRPCCall {
199: rpc_sess_t call_session;
200: uint16_t call_tag;
201: uint32_t call_hash;
202: uint8_t call_argc;
203: } __packed;
204:
205: /* Network RPC packet - Server response */
206:
207: struct tagRPCRet {
208: rpc_sess_t ret_session;
209: uint16_t ret_tag;
210: uint32_t ret_hash;
211: int32_t ret_retcode;
212: int32_t ret_errno;
213: uint8_t ret_argc;
214: } __packed;
215:
1.1.1.1.2.6 misho 216: /* Network BLOB packet - Header */
217:
218: struct tagBLOBHdr {
219: rpc_sess_t hdr_session;
220: uint8_t hdr_cmd;
221: uint32_t hdr_var;
222: uint32_t hdr_seq;
223: uint32_t hdr_len;
224: } __packed;
225:
1.1 misho 226: /* Network RPC client & server elements */
227:
228: typedef struct {
229: struct sockaddr cli_sa; // host info
230: int cli_sock; // socket
231: pthread_t cli_tid; // TID of thread
232:
233: void *cli_parent; // pointer to parent rpc_srv_t for server or to rpc_sess_t for client
234: } rpc_cli_t;
235:
236:
1.1.1.1.2.5 misho 237: // BLOB registration element!
238: typedef struct tagBLOB {
1.1.1.1.2.6 misho 239: uint32_t blob_var;
240:
1.1.1.1.2.5 misho 241: size_t blob_len; // size of allocated BLOB data
242: void *blob_data; // BLOB data
243:
244: struct tagBLOB *blob_next;
245: } rpc_blob_t;
246:
247: typedef struct {
1.1 misho 248: rpc_sess_t srv_session; // RPC session registration info
1.1.1.1.2.5 misho 249: int srv_numcli; // maximum concurent client connections
1.1 misho 250:
1.1.1.1.2.5 misho 251: rpc_cli_t srv_server; // RPC server socket
252: rpc_cli_t *srv_clients; // connected rpc client sockets
1.1 misho 253:
254: rpc_func_t *srv_funcs; // registered functions list
1.1.1.1.2.5 misho 255:
256: pthread_mutex_t srv_mtx;
257:
258: struct {
259: int state; // BLOB server state: ==0 disable | !=0 enable
1.1.1.1.2.6 misho 260: char dir[UCHAR_MAX + 1];
1.1.1.1.2.5 misho 261:
262: rpc_cli_t server; // BLOB server socket
263: rpc_cli_t *clients; // connected blob client sockets
264:
265: rpc_blob_t *blobs; // registered blob variables list
266:
267: pthread_mutex_t mtx;
268: } srv_blob;
1.1 misho 269: } rpc_srv_t;
270:
271:
1.1.1.1.2.11 misho 272: /*
273: * (*rpc_callback_t)() Callback type definition for RPC call in server process
274: * @arg1 = current execution RPC call function
275: * @arg2 = number of items in input array from call request
276: * @arg3 = input array with values from RPC call execution request
277: * return: -1 error or >-1 success execution
278: */
279: typedef int (*rpc_callback_t)(rpc_func_t *, int, rpc_val_t *);
1.1 misho 280:
281:
282: // -----------------------------------------------------------------------
283:
284: /* Error support functions */
285:
286: // cli_GetErrno() Get error code of last operation
287: inline int cli_GetErrno();
288: // cli_GetError() Get error text of last operation
289: inline const char *cli_GetError();
290:
291:
292: /* RPC Server side functions */
293:
294: /*
295: * rpc_srv_initServer() Init & create RPC Server
296: * @regProgID = ProgramID for authentication & recognition
297: * @regProcID = ProcessID for authentication & recognition
298: * @concurentClients = Concurent clients at same time to this server
299: * @family = Family socket type, AF_INET or AF_INET6
300: * @csHost = Host name or IP address for bind server, if NULL any address
301: * @Port = Port for bind server, if Port == 0 default port is selected
302: * return: NULL == error or !=NULL bind and created RPC server instance
303: */
304: rpc_srv_t *rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients,
305: u_short family, const char *csHost, u_short Port);
306: /*
307: * rpc_srv_endServer() Destroy RPC server, close all opened sockets and free resources
308: * @srv = RPC Server instance
309: * return: none
310: */
311: void rpc_srv_endServer(rpc_srv_t * __restrict srv);
312: /*
313: * rpc_srv_execServer() Execute Main server loop and wait for clients requests
314: * @srv = RPC Server instance
315: * return: -1 error or 0 ok, infinite loop ...
316: */
317: int rpc_srv_execServer(rpc_srv_t * __restrict srv);
318:
319: /*
1.1.1.1.2.5 misho 320: * rpc_srv_initBLOBServer() Init & create BLOB Server
321: * @Port = Port for bind server, if Port == 0 default port is selected
1.1.1.1.2.6 misho 322: * @diskDir = Disk place for BLOB file objects
1.1.1.1.2.5 misho 323: * return: -1 == error or 0 bind and created BLOB server instance
324: */
1.1.1.1.2.6 misho 325: int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir);
1.1.1.1.2.5 misho 326: /*
327: * rpc_srv_endBLOBServer() Destroy BLOB server, close all opened sockets and free resources
328: * @srv = RPC Server instance
329: * return: none
330: */
331: void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv);
332: /*
333: * rpc_srv_execBLOBServer() Execute Main BLOB server loop and wait for clients requests
334: * @srv = RPC Server instance
335: * return: -1 error or 0 ok, infinite loop ...
336: */
337: int rpc_srv_execBLOBServer(rpc_srv_t * __restrict srv);
338:
339: /*
1.1.1.1.2.6 misho 340: * rpc_srv_getBLOB() Get registered BLOB
341: * @srv = RPC Server instance
342: * @var = hash for variable
343: * return: NULL not found, !=NULL return blob var
344: */
345: inline rpc_blob_t *rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t var);
346:
347: /*
1.1 misho 348: * rpc_srv_registerCall() Register call to RPC server
349: * @srv = RPC Server instance
350: * @csModule = Module name, if NULL self binary
351: * @csFunc = Function name
1.1.1.1.2.17 misho 352: * @args = Number of return function arguments, use for restriction case!
1.1 misho 353: * return: -1 error or 0 register ok
354: */
355: int rpc_srv_registerCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc,
356: unsigned char args);
357: /*
358: * rpc_srv_unregisterCall() Unregister call from RPC server
359: * @srv = RPC Server instance
360: * @csModule = Module name, if NULL self binary
361: * @csFunc = Function name
362: * return: -1 error, 0 not found call, 1 unregister ok
363: */
364: int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc);
365: /*
366: * rpc_srv_getFunc() Get registered call from RPC server by Name
367: * @srv = RPC Server instance
368: * @csModule = Module name, if NULL self binary
369: * @csFunc = Function name
370: * return: NULL not found call, !=NULL return call
371: */
372: rpc_func_t *rpc_srv_getFunc(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc);
373: /*
374: * rpc_srv_getCall() Get registered call from RPC server
375: * @srv = RPC Server instance
376: * @tag = tag for function
377: * @hash = hash for function
378: * return: NULL not found call, !=NULL return call
379: */
380: inline rpc_func_t *rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t tag, uint32_t hash);
381: /*
382: * rpc_srv_execCall() Execute registered call from RPC server
383: * @call = Register RPC call
384: * @rpc = IN RPC call structure
385: * @args = IN RPC call array of rpc values
386: * return: -1 error, !=-1 ok
387: */
1.1.1.1.2.11 misho 388: int rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc,
389: rpc_val_t * __restrict args);
1.1 misho 390:
391:
392: /*
1.1.1.1.2.11 misho 393: * rpc_srv_retValsCall() Declare return variables for RPC call and zeroed values
394: (for safe handling return values, use this!)
395: * @call = RPC function call
396: * @return_vals = Number of return variables
397: * return: NULL error, !=NULL array with return values for RPC call with return_vals items
398: */
399: inline rpc_val_t *rpc_srv_retValsCall(rpc_func_t * __restrict call, int return_vals);
400: /*
401: * rpc_srv_declValsCall() Declare return variables for RPC call,
402: if already allocated memory for RPC call return values
403: function reallocate used space with return_vals count elements
1.1 misho 404: * @call = RPC function call
405: * @return_vals = Number of return variables
406: * return: -1 error, !=-1 ok
407: */
408: inline int rpc_srv_declValsCall(rpc_func_t * __restrict call, int return_vals);
409: /*
410: * rpc_srv_freeValsCall() Free return variables for RPC call
411: * @call = RPC function call
412: * return: none
413: */
414: inline void rpc_srv_freeValsCall(rpc_func_t * __restrict call);
415: /*
416: * rpc_srv_copyValsCall() Copy return variables for RPC call to new variable
417: * @call = RPC function call
418: * @newvals = New allocated variables array, must be free after use
419: * return: -1 error, !=-1 Returned number of copied RPC variables
420: */
421: inline int rpc_srv_copyValsCall(rpc_func_t * __restrict call, rpc_val_t ** __restrict newvals);
422: /*
1.1.1.1.2.11 misho 423: * rpc_srv_zeroValsCall() Clean values from return variables of RPC call
1.1 misho 424: * @call = RPC function call
425: * return: -1 error, !=-1 Returned number of cleaned RPC variables
426: */
1.1.1.1.2.11 misho 427: inline int rpc_srv_zeroValsCall(rpc_func_t * __restrict call);
1.1 misho 428: /*
429: * rpc_srv_getValsCall() Get return variables for RPC call
430: * @call = RPC function call
431: * @vals = Returned variables, may be NULL
432: * return: -1 error, !=-1 Number of returned variables
433: */
434: inline int rpc_srv_getValsCall(rpc_func_t * __restrict call, rpc_val_t ** __restrict vals);
435:
436:
1.1.1.1.2.7 misho 437: /*
1.1.1.1.2.10 misho 438: * rpc_srv_blobCreate() Create map blob to memory region and return object
439: * @srv = RPC Server instance
440: * @len = BLOB length object
441: * return: NULL error or !=NULL allocated BLOB object
442: */
443: inline rpc_blob_t *rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len);
444: /*
1.1.1.1.2.7 misho 445: * rpc_srv_blobMap() Map blob to memory region
446: * @srv = RPC Server instance
447: * @blob = Map to this BLOB element
448: * return: -1 error or 0 ok
449: */
450: inline int rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);
451: /*
452: * rpc_srv_blobUnmap() Unmap blob memory region
453: * @blob = Mapped BLOB element
454: * return: none
455: */
456: inline void rpc_srv_blobUnmap(rpc_blob_t * __restrict blob);
457: /*
458: * rpc_srv_blobFree() Free blob from disk & memory
459: * @srv = RPC Server instance
460: * @blob = Mapped BLOB element
461: * return: -1 error or 0 ok
462: */
463: inline int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob);
464:
1.1.1.1.2.9 misho 465: /*
1.1.1.1.2.10 misho 466: * rpc_srv_registerBLOB() Register new BLOB to server
467: * @srv = RPC Server instance
468: * @len = BLOB length
1.1.1.1.2.16 misho 469: * return: NULL error or new registered BLOB
1.1.1.1.2.10 misho 470: */
471: rpc_blob_t *rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_t len);
472: /*
473: * rpc_srv_unregisterBLOB() Unregister BLOB from server
474: * @srv = RPC Server instance
475: * @var = BLOB Variable for unregister
476: * return: -1 error, 0 not found call, 1 unregister ok
477: */
478: int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var);
479:
480: /*
1.1.1.1.2.9 misho 481: * rpc_srv_sendBLOB() Send mapped BLOB to client
482: * @cli = Client instance
483: * @blob = Mapped BLOB element
484: * return: -1 error, 0 ok
485: */
486: int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob);
487: /*
488: * rpc_srv_recvBLOB() Receive BLOB from client
489: * @cli = Client instance
1.1.1.1.2.10 misho 490: * @blob = Mapped BLOB element
491: * return: -1 error, 0 ok, >0 unreceived data from client, may be error?
1.1.1.1.2.9 misho 492: */
1.1.1.1.2.10 misho 493: int rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob);
1.1.1.1.2.9 misho 494:
1.1.1.1.2.13 misho 495: /*
496: * rpc_cli_sendBLOB() Send BLOB to server
497: * @cli = Client instance
498: * @var = BLOB variable
499: * @data = BLOB data
1.1.1.1.2.14 misho 500: * return: -1 error, 0 ok, 1 remote error
1.1.1.1.2.13 misho 501: */
502: int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void * __restrict data);
503: /*
504: * rpc_cli_recvBLOB() Receive BLOB from server
505: * @cli = Client instance
506: * @var = BLOB variable
507: * @data = BLOB data, must be free after use!
1.1.1.1.2.17 misho 508: * return: -1 error, 0 ok, 1 remote error
1.1.1.1.2.13 misho 509: */
510: int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data);
511:
1.1.1.1.2.7 misho 512:
1.1 misho 513: /* RPC Client side functions */
514:
515: /*
516: * rpc_cli_openClient() Connect to RPC Server
517: * @ProgID = ProgramID for RPC session request
518: * @ProcID = ProcessID for RPC session request
519: * @family = Family socket type, AF_INET or AF_INET6
520: * @csHost = Host name or IP address for bind server
521: * @Port = Port for bind server, if Port == 0 default port is selected
522: * return: NULL == error or !=NULL connection to RPC server established
523: */
524: rpc_cli_t *rpc_cli_openClient(u_int ProgID, u_int ProcID, u_short family,
525: const char *csHost, u_short Port);
526: /*
527: * rpc_cli_closeClient() Close connection to RPC server and free resources
528: * @cli = RPC Client session
529: * return: none
530: */
531: void rpc_cli_closeClient(rpc_cli_t * __restrict cli);
532: /*
533: * rpc_cli_execCall() Execute RPC call
534: * @cli = RPC Client session
535: * @csModule = Module name, if NULL self binary
536: * @csFunc = Function name for execute
537: * @in_argc = IN count of arguments
538: * @in_vals = IN RPC call array of rpc values
539: * @out_argc = OUT returned count of arguments
540: * @out_vals = OUT returned array of rpc values, must be free after use (see rpc_cli_freeVals())
541: * return: -1 error or != -1 ok result
542: */
543: int rpc_cli_execCall(rpc_cli_t *cli, const char *csModule, const char *csFunc, int in_argc,
544: rpc_val_t * __restrict in_vals, int *out_argc, rpc_val_t ** __restrict out_vals);
545: /*
546: * rpc_cli_freeVals() Free rpc_val_t array returned from RPC call
547: * @args = Number of arguments in array
548: * @vals = Value elements
549: * return: none
550: */
551: inline void rpc_cli_freeVals(int args, rpc_val_t *vals);
552:
553:
1.1.1.1.2.14 misho 554: /*
555: * rpc_cli_openBLOBClient() Connect to BLOB Server
556: * @rpccli = RPC Client session
557: * @Port = Port for bind server, if Port == 0 default port is selected
558: * return: NULL == error or !=NULL connection to BLOB server established
559: */
560: rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port);
561: /*
562: * rpc_cli_closeBLOBClient() Close connection to BLOB server and free resources
563: * @cli = BLOB Client session
564: * return: none
565: */
566: void rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli);
567:
568:
1.1 misho 569: #endif
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to aitrpc.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / libaitrpc / inc