version 1.3, 2011/08/29 22:37:06
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version 1.24, 2014/04/27 16:26:45
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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 | Copyright 2004 - 2014 |
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 50 SUCH DAMAGE.
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Line 50 SUCH DAMAGE.
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#include <assert.h> |
#include <assert.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#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> |
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#include <sys/queue.h> |
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#include <elwix.h> |
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#include <aitsched.h> |
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#define RPC_VERSION 1 | #define RPC_VERSION 7 |
#define RPC_DEFPORT 2611 |
#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 */ |
/* RPC builtin registed calls */ |
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#define CALL_BLOBSHUTDOWN "rpcBLOBServerShutdown" | #define CALL_TAG_MAX 65535 |
#define CALL_BLOBCLIENTS "rpcBLOBServerClients" | |
#define CALL_BLOBVARS "rpcBLOBServerVars" | |
#define CALL_BLOBSTATE "rpcBLOBServerState" | |
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#define CALL_SRVSHUTDOWN "rpcServerShutdown" | #define CALL_SRVPING 65534 |
#define CALL_SRVCLIENTS "rpcServerClients" | |
#define CALL_SRVCALLS "rpcServerCalls" | |
#define CALL_SRVSESSIONS "rpcServerSessions" | |
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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 */ |
/* RPC types */ |
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typedef enum { |
typedef enum { |
empty, // empty -> variable is not set | ok, error, no, /* for blob reply */ |
buffer, string, blob, // buffer -> uint8_t*; string -> int8_t*; blob -> void*(+socket); | get, set, unset /* for blob request */ |
size, offset, datetime, // size -> size_t; offset -> off_t; datetime -> time_t; | } blob_cmd_type_t; |
real, bigreal, // real -> float; bigreal -> double; | |
u8, u16, u32, u64, // unsigned integers ... | |
i8, i16, i32, i64 // integers ... | |
} rpc_type_t; | |
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typedef enum { |
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disable, enable, kill, // for blob.state |
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ok, error, // for blob reply |
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get, set, unset // for blob request |
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} cmd_type_t; |
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/* RPC value */ |
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typedef struct { |
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rpc_type_t val_type; |
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size_t val_len; |
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union { |
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uint8_t *buffer; |
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int8_t *string; |
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uint32_t blob; |
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size_t size; |
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off_t offset; |
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time_t datetime; |
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float real; |
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double bigreal; |
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uint8_t u8; |
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uint16_t u16; |
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uint32_t u32; |
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uint64_t u64; |
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int8_t i8; |
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int16_t i16; |
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int32_t i32; |
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int64_t i64; |
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} val; |
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} __packed rpc_val_t; |
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#define RPC_TYPE_VAL(vl) ((vl)->val_type) |
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#define RPC_LEN_VAL(vl) ((vl)->val_len) |
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#define RPC_BLOB_CHUNKS(vl, n) ((vl)->val_len / (n) + ((vl)->val_len % (n)) ? 1 : 0) |
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#define RPC_EMPTY_VAL(vl) ((vl)->val_type == empty) |
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#define RPC_GET_BUF(vl) (assert((vl)->val_type == buffer), (vl)->val.buffer) |
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#define RPC_GET_STR(vl) (assert((vl)->val_type == string), (vl)->val.string) |
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#define RPC_GET_BLOB(vl) (assert((vl)->val_type == blob), (vl)->val.blob) |
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#define RPC_GET_SIZE(vl) (assert((vl)->val_type == size), (vl)->val.size) |
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#define RPC_GET_OFF(vl) (assert((vl)->val_type == offset), (vl)->val.offset) |
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#define RPC_GET_TIME(vl) (assert((vl)->val_type == datetime), (vl)->val.datetime) |
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#define RPC_GET_REAL(vl) (assert((vl)->val_type == real), (vl)->val.real) |
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#define RPC_GET_BREAL(vl) (assert((vl)->val_type == bigreal), (vl)->val.bigreal) |
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#define RPC_GET_U8(vl) (assert((vl)->val_type == u8), (vl)->val.u8) |
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#define RPC_GET_U16(vl) (assert((vl)->val_type == u16), (vl)->val.u16) |
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#define RPC_GET_U32(vl) (assert((vl)->val_type == u32), (vl)->val.u32) |
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#define RPC_GET_U64(vl) (assert((vl)->val_type == u64), (vl)->val.u64) |
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#define RPC_GET_I8(vl) (assert((vl)->val_type == i8), (vl)->val.i8) |
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#define RPC_GET_I16(vl) (assert((vl)->val_type == i16), (vl)->val.i16) |
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#define RPC_GET_I32(vl) (assert((vl)->val_type == i32), (vl)->val.i32) |
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#define RPC_GET_I64(vl) (assert((vl)->val_type == i64), (vl)->val.i64) |
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#define RPC_SET_BUF(vl, v, l) do { rpc_val_t *val = (vl); assert(val); val->val.buffer = malloc(l); \ |
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if (val->val.buffer) { \ |
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val->val_type = buffer; val->val_len = l; \ |
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memcpy(val->val.buffer, v, l); \ |
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} } while (0) |
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#define RPC_SET_STR(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val.string = (int8_t*) strdup(v); \ |
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if (val->val.string) { \ |
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val->val_type = string; val->val_len = strlen(v) + 1; \ |
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} } while (0) |
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#define RPC_SET_BLOB(vl, v, l) do { rpc_val_t *val = (vl); assert(val); val->val_type = blob; \ |
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val->val.blob = v; val->val_len = l; } while (0) |
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#define RPC_SET_BLOB2(vl, b) do { rpc_val_t *val = (vl); assert(val); assert(b); val->val_type = blob; \ |
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val->val.blob = b->blob_var; val->val_len = b->blob_len; } while (0) |
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#define RPC_SET_SIZE(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = size; val->val.size = v; \ |
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val->val_len = sizeof(size_t); } while (0) |
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#define RPC_SET_OFF(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = offset; val->val.offset = v; \ |
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val->val_len = sizeof(off_t); } while (0) |
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#define RPC_SET_TIME(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = datetime; val->val.datetime = v; \ |
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val->val_len = sizeof(time_t); } while (0) |
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#define RPC_SET_REAL(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = real; val->val.real = v; \ |
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val->val_len = sizeof(float); } while (0) |
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#define RPC_SET_BREAL(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = bigreal; val->val.bigreal = v; \ |
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val->val_len = sizeof(double); } while (0) |
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#define RPC_SET_U8(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u8; val->val.u8 = v; \ |
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val->val_len = sizeof(uint8_t); } while (0) |
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#define RPC_SET_U16(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u16; val->val.u16 = v; \ |
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val->val_len = sizeof(uint16_t); } while (0) |
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#define RPC_SET_U32(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u32; val->val.u32 = v; \ |
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val->val_len = sizeof(uint32_t); } while (0) |
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#define RPC_SET_U64(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = u64; val->val.u64 = v; \ |
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val->val_len = sizeof(uint64_t); } while (0) |
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#define RPC_SET_I8(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i8; val->val.i8 = v; \ |
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val->val_len = sizeof(int8_t); } while (0) |
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#define RPC_SET_I16(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i16; val->val.i16 = v; \ |
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val->val_len = sizeof(int16_t); } while (0) |
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#define RPC_SET_I32(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i32; val->val.i32 = v; \ |
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val->val_len = sizeof(int32_t); } while (0) |
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#define RPC_SET_I64(vl, v) do { rpc_val_t *val = (vl); assert(val); val->val_type = i64; val->val.i64 = v; \ |
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val->val_len = sizeof(int64_t); } while (0) |
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#define RPC_FREE_VAL(vl) do { rpc_val_t *val = (vl); assert(val); \ |
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if (val->val_type == buffer && val->val.buffer) { \ |
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free(val->val.buffer); \ |
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val->val.buffer = NULL; \ |
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} \ |
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if (val->val_type == string && val->val.string) { \ |
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free(val->val.string); \ |
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val->val.string = NULL; \ |
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} \ |
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val->val_type = val->val_len = 0; \ |
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} while (0) |
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#define RPC_CALLBACK_CHECK_INPUT(x) do { \ |
#define RPC_CALLBACK_CHECK_INPUT(x) do { \ |
if (!x) { \ | assert((x)); \ |
rpc_SetErr(22, "Error:: invalid callback parameters ...\n"); \ | if (!(x)) { \ |
| rpc_SetErr(EINVAL, \ |
| "Invalid callback parameters ..."); \ |
return -1; \ |
return -1; \ |
} \ |
} \ |
} while (0) |
} while (0) |
#define RPC_CALLBACK_CHK_ARGS(f, n) do { \ |
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RPC_CALLBACK_CHECK_INPUT(f); \ |
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if (f && f->func_args != n) { \ |
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rpc_SetErr(22, "Error:: different number of arguments!\n"); \ |
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return -1; \ |
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} \ |
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} while (0) |
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/* RPC session identification */ |
/* RPC session identification */ |
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typedef struct { |
typedef struct { |
uint8_t sess_version; | #if BYTE_ORDER == LITTLE_ENDIAN |
uint32_t sess_program; | uint16_t sess_instance:8; |
uint32_t sess_process; | uint16_t sess_version:8; |
} __packed rpc_sess_t; | #endif |
| #if BYTE_ORDER == BIG_ENDIAN |
| uint16_t sess_version:8; |
| uint16_t sess_instance:8; |
| #endif |
| } __packed rpc_sess_t; /* size == 2 bytes */ |
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/* Server managment RPC functions ... */ |
/* Server managment RPC functions ... */ |
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// RPC function registration element! |
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typedef struct tagRPCFunc { |
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uint16_t func_tag; |
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uint32_t func_hash; |
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int8_t func_file[MAXPATHLEN]; |
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int8_t func_name[UCHAR_MAX + 1]; |
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int8_t func_args; |
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rpc_val_t *func_vars; |
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void *func_parent; |
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struct tagRPCFunc *func_next; |
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} rpc_func_t; |
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/* Network RPC packet - Client request */ |
/* Network RPC packet - Client request */ |
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struct tagRPCCall { |
struct tagRPCCall { |
rpc_sess_t call_session; |
rpc_sess_t call_session; |
uint16_t call_tag; |
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uint32_t call_hash; |
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uint8_t call_argc; |
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} __packed; |
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/* Network RPC packet - Server response */ | uint32_t call_len; |
| uint16_t call_crc; |
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struct tagRPCRet { | union { |
rpc_sess_t ret_session; | struct { |
uint16_t ret_tag; | uint64_t flags; |
uint32_t ret_hash; | } call_req; |
int32_t ret_retcode; | struct { |
int32_t ret_errno; | int32_t ret; |
uint8_t ret_argc; | int32_t eno; |
} __packed; | } call_rep; |
| }; |
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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 */ |
/* Network BLOB packet - Header */ |
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struct tagBLOBHdr { |
struct tagBLOBHdr { |
Line 261 struct tagBLOBHdr {
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Line 155 struct tagBLOBHdr {
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uint32_t hdr_var; |
uint32_t hdr_var; |
uint32_t hdr_len; |
uint32_t hdr_len; |
uint32_t hdr_ret; |
uint32_t hdr_ret; |
} __packed; | uint8_t hdr_pad; |
| } __packed; /* size == 16 bytes */ |
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/* Network RPC client & server elements */ |
/* Network RPC client & server elements */ |
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typedef struct { | /* RPC function registration element! */ |
struct sockaddr cli_sa; // host info | typedef struct tagRPCFunc { |
int cli_sock; // socket fd | ait_val_t func_name; |
pthread_t cli_tid; // TID of thread | |
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void *cli_parent; // pointer to parent rpc_srv_t for server or to rpc_sess_t for client | void *func_parent; |
} rpc_cli_t; | |
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SLIST_ENTRY(tagRPCFunc) func_next; |
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AVL_ENTRY(tagRPCFunc) func_node; |
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} rpc_func_t; |
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#define RPC_FUNC_SERVER(x) ((rpc_srv_t*) (x)->func_parent) |
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// BLOB registration element! | /* Tree root node */ |
| typedef struct tagRPCFuncs { |
| pthread_mutex_t mtx; |
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| struct tagRPCFunc *slh_first; |
| struct tagRPCFunc *avlh_root; |
| } rpc_funcs_t; |
| #define RPC_FUNCS_LOCK(x) pthread_mutex_lock(&(x)->mtx) |
| #define RPC_FUNCS_UNLOCK(x) pthread_mutex_unlock(&(x)->mtx) |
| #define RPC_FUNCS_ISEMPTY(x) AVL_EMPTY((x)) |
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| /* BLOB register element */ |
typedef struct tagBLOB { |
typedef struct tagBLOB { |
uint32_t blob_var; | uint32_t blob_var; /* BLOB id */ |
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size_t blob_len; // size of allocated BLOB data | size_t blob_len; /* size of allocated BLOB data */ |
void *blob_data; // BLOB data | void *blob_data; /* mapped BLOB data */ |
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struct tagBLOB *blob_next; | TAILQ_ENTRY(tagBLOB) blob_node; |
} rpc_blob_t; |
} rpc_blob_t; |
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typedef struct { |
typedef struct { |
rpc_sess_t srv_session; // RPC session registration info | int cli_id; /* slot id */ |
int srv_numcli; // maximum concurent client connections | int cli_sock; /* socket fd */ |
| sockaddr_t cli_sa; /* host address */ |
| ait_val_t cli_buf; /* network buffer */ |
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rpc_cli_t srv_server; // RPC server socket | array_t *cli_vars; /* function return variables */ |
rpc_cli_t *srv_clients; // connected rpc client sockets | |
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rpc_func_t *srv_funcs; // registered functions list | void *cli_parent; /* pointer to parent rpc_srv_t for server or to rpc_sess_t for client */ |
| } rpc_cli_t; |
| #define RPC_RETVARS(x) ((x)->cli_vars) |
| #define RPC_SRV_SERVER(x) ((rpc_srv_t*) (x)->cli_parent) |
| #define RPC_CLI_SESSION(x) ((rpc_sess_t*) (x)->cli_parent) |
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pthread_mutex_t srv_mtx; | typedef struct { |
cmd_type_t srv_kill; | rpc_sess_t srv_se rpc_sess_t srv_session; /* RPC session registration info */ |
| int srv_netbuf; /* size of network buffer */ |
| int srv_proto; /* Server protocol */ |
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pthread_t srv_tid; /* RPC exec pthread */ |
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sched_root_task_t *srv_root; /* RPC server scheduler */ |
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intptr_t srv_kill; /* Scheduler condition variable */ |
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rpc_cli_t srv_server; /* RPC server socket */ |
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array_t *srv_clients; /* connected rpc client sockets */ |
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rpc_funcs_t srv_funcs; /* RPC functions */ |
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struct { |
struct { |
cmd_type_t state; // BLOB server state: ==0 disable | !=0 enable | pthread_t tid; /* BLOB exec pthread */ |
char dir[UCHAR_MAX + 1]; | sched_root_task_t *root; /* BLOB server scheduler */ |
| intptr_t kill; /* BLOB server state: ==0 disable | !=0 enable */ |
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rpc_cli_t server; // BLOB server socket | ait_val_t dir; /* BLOB states directory */ |
rpc_cli_t *clients; // connected blob client sockets | |
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rpc_blob_t *blobs; // registered blob variables list | rpc_cli_t server; /* BLOB server socket */ |
| array_t *clients; /* connected blob client sockets */ |
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pthread_mutex_t mtx; | TAILQ_HEAD(, tagBLOB) blobs; /* registered blob variables list */ |
} srv_blob; | } srv_blob; |
} rpc_srv_t; |
} rpc_srv_t; |
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/* |
/* |
* (*rpc_callback_t)() Callback type definition for RPC call in server process | * (*rpc_callback_t)() - Callback type definition for RPC call in server process |
* @arg1 = current execution RPC call function | * |
* @arg2 = number of items in input array from call request | * @arg1 = RPC client |
| * @arg2 = RPC packet header |
* @arg3 = input array with values from RPC call execution request |
* @arg3 = input array with values from RPC call execution request |
* return: -1 error or >-1 success execution |
* return: -1 error or >-1 success execution |
*/ |
*/ |
typedef int (*rpc_callback_t)(rpc_func_t *, int, rpc_val_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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/* ----------------------------------------------------------------------- */ |
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/* Error support functions */ |
/* Error support functions */ |
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// rpc_GetErrno() Get error code of last operation |
// rpc_GetErrno() Get error code of last operation |
inline int rpc_GetErrno(); | int rpc_GetErrno(); |
// rpc_GetError() Get error text of last operation |
// rpc_GetError() Get error text of last operation |
inline const char *rpc_GetError(); | const char *rpc_GetError(); |
| // rpc_SetErr() Set error to variables for internal use!!! |
| void rpc_SetErr(int eno, char *estr, ...); |
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/* |
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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, 0 EOF or or >0 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, 0 EOF or >0 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 |
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* |
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* @srv = RPC server instance |
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* return: -1 error or 0 ok |
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*/ |
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int rpc_register_srvPing(rpc_srv_t * __restrict srv); |
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/* |
|
* rpc_register_srvServices() - Register internal service functions |
|
* |
|
* @srv = RPC server instance |
|
* return: -1 error or 0 ok |
|
*/ |
|
int rpc_register_srvServices(rpc_srv_t * __restrict srv); |
|
/* |
|
* rpc_register_blobServices() - Register internal service functions |
|
* |
|
* @srv = RPC server instance |
|
* return: -1 error or 0 ok |
|
*/ |
|
int rpc_register_blobServices(rpc_srv_t * __restrict srv); |
|
|
|
|
/* RPC Server side functions */ |
/* RPC Server side functions */ |
|
|
/* |
/* |
* rpc_srv_initServer() Init & create RPC Server | * rpc_srv_initServer() - Init & create RPC Server |
* @regProgID = ProgramID for authentication & recognition | * |
* @regProcID = ProcessID for authentication & recognition | * @InstID = Instance for authentication & recognition |
* @concurentClients = Concurent clients at same time to this server |
* @concurentClients = Concurent clients at same time to this server |
* @family = Family type, AF_INET, AF_INET6 or AF_LOCAL | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @csHost = Host name or address for bind server, if NULL any address |
* @csHost = Host name or address for bind server, if NULL any address |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
|
* @proto = Protocol, if == 0 choose SOCK_STREAM |
* return: NULL == error or !=NULL bind and created RPC server instance |
* return: NULL == error or !=NULL bind and created RPC server instance |
*/ |
*/ |
rpc_srv_t *rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients, | rpc_srv_t *rpc_srv_initServer(unsigned char InstID, int concurentClients, int netBuf, |
u_short family, const char *csHost, u_short Port); | const char *csHost, unsigned short Port, int proto); |
/* |
/* |
* rpc_srv_endServer() Destroy RPC server, close all opened sockets and free resources | * rpc_srv_endServer() - Destroy RPC server, close all opened sockets and free resources |
* @srv = RPC Server instance | * |
| * @psrv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
void rpc_srv_endServer(rpc_srv_t * __restrict srv); | void rpc_srv_endServer(rpc_srv_t ** __restrict psrv); |
/* |
/* |
* rpc_srv_execServer() Execute Main server loop and wait for clients requests | * rpc_srv_loopServer() - Execute Main server loop and wait for clients requests |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int rpc_srv_execServer(rpc_srv_t * __restrict srv); | int rpc_srv_loopServer(rpc_srv_t * __restrict srv); |
| #define rpc_srv_execServer(_srv, _sync) do { assert((_srv)); \ |
| if (!(_srv)->srv_kill) { \ |
| pthread_create(&(_srv)->srv_tid, NULL, (void*(*)(void*)) \ |
| rpc_srv_loopServer, (_srv)); \ |
| if ((_sync)) \ |
| pthread_join((_srv)->srv_tid, (void**) (_sync)); \ |
| else \ |
| pthread_detach((_srv)->srv_tid); \ |
| } } while (0) |
| #define rpc_srv_killServer(_srv) (assert((_srv)), (_srv)->srv_blob.kill = 1, (_srv)->srv_kill = 1) |
|
|
/* |
/* |
* rpc_srv_initBLOBServer() Init & create BLOB Server | * rpc_srv_initBLOBServer() - Init & create BLOB Server |
| * |
* @srv = RPC server instance |
* @srv = RPC server instance |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @diskDir = Disk place for BLOB file objects |
* @diskDir = Disk place for BLOB file objects |
* return: -1 == error or 0 bind and created BLOB server instance |
* return: -1 == error or 0 bind and created BLOB server instance |
*/ |
*/ |
int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir); | int rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, unsigned short Port, const char *diskDir); |
/* |
/* |
* rpc_srv_endBLOBServer() Destroy BLOB server, close all opened sockets and free resources | * rpc_srv_endBLOBServer() - Destroy BLOB server, close all opened sockets and free resources |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv); |
void rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv); |
/* |
/* |
* rpc_srv_execBLOBServer() Execute Main BLOB server loop and wait for clients requests | * rpc_srv_loopBLOB() - Execute Main BLOB server loop and wait for clients requests |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* return: -1 error or 0 ok, infinite loop ... |
* return: -1 error or 0 ok, infinite loop ... |
*/ |
*/ |
int rpc_srv_execBLOBServer(rpc_srv_t * __restrict srv); | int rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv); |
| #define rpc_srv_execBLOBServer(_srv) do { assert((_srv)); \ |
| if (!(_srv)->srv_kill && !(_srv)->srv_blob.kill) { \ |
| pthread_create(&(_srv)->srv_blob.tid, NULL, \ |
| (void*(*)(void*)) \ |
| rpc_srv_loopBLOBServer, (_srv)); \ |
| pthread_detach((_srv)->srv_blob.tid); \ |
| } \ |
| } while (0) |
|
|
/* |
/* |
* rpc_srv_registerCall() Register call to RPC server | * rpc_srv_registerCall() - Register call to RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary | * @tag = Function tag |
* @csFunc = Function name | * @funcaddr = Function address |
* @args = Number of return function arguments, use for restriction case! | * return: -1 error, 0 already registered tag or 1 register ok |
* return: -1 error or 0 register ok | |
*/ |
*/ |
int rpc_srv_registerCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc, | int rpc_srv_registerCall(rpc_srv_t * __restrict srv, unsigned short tag, void *funcaddr); |
unsigned char args); | |
/* |
/* |
* rpc_srv_unregisterCall() Unregister call from RPC server | * rpc_srv_unregisterCall() - Unregister call from RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary | * @tag = Function tag |
* @csFunc = Function name | |
* return: -1 error, 0 not found call, 1 unregister ok |
* return: -1 error, 0 not found call, 1 unregister ok |
*/ |
*/ |
int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc); | int rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, unsigned short tag); |
/* |
/* |
* rpc_srv_getFunc() Get registered call from RPC server by Name | * rpc_srv_getCall() - Get registered call from RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary |
|
* @csFunc = Function name |
|
* return: NULL not found call, !=NULL return call |
|
*/ |
|
rpc_func_t *rpc_srv_getFunc(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc); |
|
/* |
|
* rpc_srv_getCall() Get registered call from RPC server |
|
* @srv = RPC Server instance |
|
* @tag = tag for function |
* @tag = tag for function |
* @hash = hash for function |
|
* return: NULL not found call, !=NULL return call |
* return: NULL not found call, !=NULL return call |
*/ |
*/ |
inline rpc_func_t *rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t tag, uint32_t hash); | rpc_func_t *rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t tag); |
/* |
/* |
* rpc_srv_execCall() Execute registered call from RPC server |
* rpc_srv_execCall() Execute registered call from RPC server |
* @call = Register RPC call | * |
| * @cli = RPC client |
* @rpc = IN RPC call structure |
* @rpc = IN RPC call structure |
* @args = IN RPC call array of rpc values | * @funcname = Execute RPC function |
| * @args = IN RPC calling arguments from RPC client |
* return: -1 error, !=-1 ok |
* return: -1 error, !=-1 ok |
*/ |
*/ |
int rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, | int rpc_srv_execCall(rpc_cli_t * __restrict cli, struct tagRPCCall * __restrict rpc, |
rpc_val_t * __restrict args); | ait_val_t funcname, array_t * __restrict args); |
|
|
|
|
/* |
/* |
* rpc_srv_returnVars() Init return variables for RPC call and zeroed values | * rpc_srv_blobCreate() - Create and map blob to memory region and return object |
(for safe handling return values, use this!) | * |
* @call = RPC function call | |
* @varnum = Number of return variables | |
* return: NULL error, !=NULL array with return values for RPC call with varnum items | |
*/ | |
inline rpc_val_t *rpc_srv_returnVars(rpc_func_t * __restrict call, int varnum); | |
/* | |
* rpc_srv_allocVars() Allocate array for call variables, | |
if already allocated memory for RPC call reallocate used space | |
* @call = RPC function call | |
* @varnum = Number of variables, if ==0 free previous allocated variables | |
* return: -1 error, !=-1 return varnum value | |
*/ | |
inline int rpc_srv_allocVars(rpc_func_t * __restrict call, int varnum); | |
#define rpc_srv_freeVars(_call) (assert((_call)), rpc_srv_allocVars((_call), 0)) | |
/* | |
* rpc_srv_zeroVars() Clean values from variables of RPC call | |
* @call = RPC function call | |
* return: -1 error, !=-1 Returned number of cleaned RPC variables | |
*/ | |
inline int rpc_srv_zeroVars(rpc_func_t * __restrict call); | |
/* | |
* rpc_srv_copyVars() Copy variables for RPC call to new variable array | |
* @call = RPC function call | |
* @newvars = New allocated variables array, must be free after use | |
* return: -1 error, !=-1 Returned number of copied RPC variables | |
*/ | |
inline int rpc_srv_copyVars(rpc_func_t * __restrict call, rpc_val_t ** __restrict newvars); | |
/* | |
* rpc_srv_getVars() Get variables array for RPC call | |
* @call = RPC function call | |
* @vars = Returned variables array, may be NULL | |
* return: -1 error, !=-1 Number of returned variables | |
*/ | |
inline int rpc_srv_getVars(rpc_func_t * __restrict call, rpc_val_t ** __restrict vars); | |
| |
| |
/* | |
* rpc_srv_blobCreate() Create map blob to memory region and return object | |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length object |
* @len = BLOB length object |
|
* @tout = BLOB live timeout in seconds |
* return: NULL error or !=NULL allocated BLOB object |
* return: NULL error or !=NULL allocated BLOB object |
*/ |
*/ |
inline 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 |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Map to this BLOB element |
* @blob = Map to this BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
*/ |
*/ |
inline int rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob); | int rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob); |
/* |
/* |
* rpc_srv_blobUnmap() Unmap blob memory region | * rpc_srv_blobUnmap() - Unmap blob memory region |
| * |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: none |
* return: none |
*/ |
*/ |
inline void rpc_srv_blobUnmap(rpc_blob_t * __restrict blob); | void rpc_srv_blobUnmap(rpc_blob_t * __restrict blob); |
/* |
/* |
* rpc_srv_blobFree() Free blob from disk & memory | * rpc_srv_blobFree() - Free blob from disk & memory |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
*/ |
*/ |
inline int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob); | int rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob); |
|
|
/* |
/* |
* rpc_srv_registerBLOB() Register new BLOB to server | * rpc_srv_registerBLOB() - Register new BLOB to server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length |
* @len = BLOB length |
|
* @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 |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @var = BLOB Variable for unregister |
* @var = BLOB Variable for unregister |
* return: -1 error, 0 not found call, 1 unregister ok |
* return: -1 error, 0 not found call, 1 unregister ok |
*/ |
*/ |
int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var); |
int rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var); |
/* |
/* |
* rpc_srv_getBLOB() Get registered BLOB | * rpc_srv_getBLOB() - Get registered BLOB |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @var = hash for variable |
* @var = hash for variable |
* return: NULL not found, !=NULL return blob var |
* return: NULL not found, !=NULL return blob var |
*/ |
*/ |
inline rpc_blob_t *rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t var); | rpc_blob_t *rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t var); |
|
|
/* |
/* |
* rpc_srv_sendBLOB() Send mapped BLOB to client | * rpc_srv_sendBLOB() - Send mapped BLOB to client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error, 0 ok |
* return: -1 error, 0 ok |
*/ |
*/ |
int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob); |
int rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob); |
/* |
/* |
* rpc_srv_recvBLOB() Receive BLOB from client | * rpc_srv_recvBLOB() - Receive BLOB from client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* 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); |
|
|
|
/* CLIENT part of functions */ |
|
|
/* |
/* |
* rpc_cli_sendBLOB() Send BLOB to server | * rpc_cli_sendBLOB() - Send BLOB to server |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* @data = BLOB data |
* @data = BLOB data |
|
* @tout = BLOB live on server timeout in seconds, if =0 default timeout |
* return: -1 error, 0 ok, 1 remote error |
* return: -1 error, 0 ok, 1 remote error |
*/ |
*/ |
int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void * __restrict data); | int rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, |
| void * __restrict data, int tout); |
/* |
/* |
* rpc_cli_recvBLOB() Receive BLOB from server | * rpc_cli_recvBLOB() - Receive BLOB from server |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* @data = BLOB data, must be free after use! | * @data = BLOB data, must be e_free after use! |
* return: -1 error, 0 ok, 1 remote error |
* return: -1 error, 0 ok, 1 remote error |
*/ |
*/ |
int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data); | int rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, void ** __restrict data); |
/* |
/* |
* rpc_cli_delBLOB() Delete BLOB from server | * rpc_cli_delBLOB() - Delete BLOB from server |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* return: -1 error, 0 ok, 1 remote error |
* return: -1 error, 0 ok, 1 remote error |
*/ |
*/ |
int rpc_cli_delBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var); | 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. | * rpc_cli_getBLOB() - Receive BLOB from server and Delete after that. |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @var = BLOB variable |
* @var = BLOB variable |
* @data = BLOB data, must be free after use! | * @data = BLOB data, must be e_free after use! |
* return: -1 error, 0 ok, >0 remote error |
* return: -1 error, 0 ok, >0 remote error |
*/ |
*/ |
inline int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data); | int rpc_cli_getBLOB(rpc_cli_t * __restrict cli, ait_val_t * __restrict var, |
| void ** __restrict data); |
|
|
|
|
|
|
/* RPC Client side functions */ |
/* RPC Client side functions */ |
|
|
/* |
/* |
* rpc_cli_openClient() Connect to RPC Server | * rpc_cli_openClient() - Connect to RPC Server |
* @ProgID = ProgramID for RPC session request | * |
* @ProcID = ProcessID for RPC session request | * @InstID = InstID for RPC session request |
* @family = Family socket type, AF_INET or AF_INET6 | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @csHost = Host name or IP address for bind server |
* @csHost = Host name or IP address for bind server |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @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 |
* return: NULL == error or !=NULL connection to RPC server established |
*/ |
*/ |
rpc_cli_t *rpc_cli_openClient(u_int ProgID, u_int ProcID, | rpc_cli_t *rpc_cli_openClient(unsigned char InstID, int netBuf, |
u_short family, const char *csHost, u_short Port); | const char *csHost, unsigned short Port, int proto); |
/* |
/* |
* rpc_cli_closeClient() Close connection to RPC server and free resources | * rpc_cli_reconnectClient() - Reconnecting client to RPC server |
| * |
* @cli = RPC Client session |
* @cli = RPC Client session |
|
* return: -1 error or 0 ok |
|
*/ |
|
int rpc_cli_reconnectClient(rpc_cli_t * __restrict cli); |
|
/* |
|
* rpc_cli_closeClient() - Close connection to RPC server and free resources |
|
* |
|
* @cli = RPC Client session |
* return: none |
* return: none |
*/ |
*/ |
void rpc_cli_closeClient(rpc_cli_t * __restrict cli); | void rpc_cli_closeClient(rpc_cli_t ** __restrict cli); |
/* |
/* |
* rpc_cli_execCall() Execute RPC call | * 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, 0 EOF or >0 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, 0 EOF or >0 received 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 |
* @cli = RPC Client session |
* @csModule = Module name, if NULL self binary | * @noreply = We not want RPC reply |
* @csFunc = Function name for execute | * @tag = Function tag for execution |
* @in_argc = IN count of arguments | * @in_vars = IN function argument array of values, may be NULL |
* @in_vars = IN RPC call array of rpc values | * @out_vars = OUT returned array of rpc values, if !=NULL must be free after use with ait_freeVars() |
* @out_argc = OUT returned count of arguments | * return: -1 error, 0 ok result or 1 closed rpc connection |
* @out_vars = OUT returned array of rpc values, must be free after use (see rpc_cli_freeVals()) | |
* return: -1 error or != -1 ok result | |
*/ |
*/ |
int rpc_cli_execCall(rpc_cli_t *cli, const char *csModule, const char *csFunc, int in_argc, | int rpc_cli_execCall(rpc_cli_t *cli, int noreply, unsigned short tag, |
rpc_val_t * __restrict in_vars, int *out_argc, rpc_val_t ** __restrict out_vars); | array_t * __restrict in_vars, array_t ** __restrict out_vars); |
/* |
/* |
* rpc_cli_freeVals() Free rpc_val_t array returned from RPC call | * rpc_cli_freeCall() - Free resouce allocated by RPC call |
* @args = Number of arguments in array | * |
* @vars = Value elements | * @out_vars = Returned array with variables from RPC call |
* return: none |
* return: none |
*/ |
*/ |
inline void rpc_cli_freeVals(int args, rpc_val_t *vars); | 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 | * rpc_cli_openBLOBClient() - Connect to BLOB Server |
| * |
* @rpccli = RPC Client session |
* @rpccli = RPC Client session |
* @Port = Port for bind server, if Port == 0 default port is selected |
* @Port = Port for bind server, if Port == 0 default port is selected |
* return: NULL == error or !=NULL connection to BLOB server established |
* return: NULL == error or !=NULL connection to BLOB server established |
*/ |
*/ |
rpc_cli_t *rpc_cli_openBLOBClient(rpc_cli_t * __restrict rpccli, u_short Port); | 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 | * rpc_cli_closeBLOBClient() - Close connection to BLOB server and free resources |
| * |
* @cli = BLOB Client session |
* @cli = BLOB Client session |
* return: none |
* return: none |
*/ |
*/ |
void rpc_cli_closeBLOBClient(rpc_cli_t * __restrict cli); | void rpc_cli_closeBLOBClient(rpc_cli_t ** __restrict cli); |
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#endif |
#endif |