version 1.6.2.1, 2012/03/12 14:53:07
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version 1.27.2.1, 2015/07/02 23:06:09
|
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> |
|
|
Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 | Copyright 2004 - 2015 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
|
|
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 46 SUCH DAMAGE.
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Line 46 SUCH DAMAGE.
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#include "global.h" |
#include "global.h" |
|
|
|
|
static void * | /* SOCK_STREAM */ |
rpc_srv_dispatchCall(void *arg) | static void *acceptClients(sched_task_t *); |
| static void *closeClient(sched_task_t *); |
| static void *rxPacket(sched_task_t *); |
| static void *txPacket(sched_task_t *); |
| |
| /* SOCK_DGRAM */ |
| static void *freeClient(sched_task_t *); |
| static void *rxUDPPacket(sched_task_t *); |
| static void *txUDPPacket(sched_task_t *); |
| |
| /* SOCK_RAW */ |
| static void *rxRAWPacket(sched_task_t *); |
| static void *txRAWPacket(sched_task_t *); |
| |
| /* SOCK_BPF */ |
| static void *rxBPFPacket(sched_task_t *); |
| static void *txBPFPacket(sched_task_t *); |
| |
| /* SOCK_EXT */ |
| static void *rxEXTPacket(sched_task_t *); |
| static void *txEXTPacket(sched_task_t *); |
| |
| static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4] = { |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
| { rxUDPPacket, freeClient, NULL /*rxUDPPacket*/, txUDPPacket }, /* SOCK_DGRAM */ |
| { rxRAWPacket, freeClient, NULL /*rxRAWPacket*/, txRAWPacket }, /* SOCK_RAW */ |
| { rxBPFPacket, freeClient, NULL /*rxBPFPacket*/, txBPFPacket }, /* SOCK_BPF */ |
| { rxEXTPacket, freeClient, NULL /*rxEXTPacket*/, txEXTPacket } /* SOCK_EXT */ |
| }; |
| |
| /* Global Signal Argument when kqueue support disabled */ |
| |
| static volatile uintptr_t _glSigArg = 0; |
| |
| void |
| rpc_freeCli(rpc_cli_t * __restrict c) |
{ |
{ |
rpc_cli_t *c = arg; | rpc_srv_t *s = c->cli_parent; |
rpc_srv_t *s; | |
rpc_func_t *f = NULL; | schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
array_t *arr; | |
struct tagRPCCall *rpc; | /* free buffer */ |
struct tagRPCRet *rrpc; | AIT_FREE_VAL(&c->cli_buf); |
rpc_sess_t ses = { 0 }; | |
fd_set fds; | array_Del(s->srv_clients, c->cli_id, 0); |
u_char *buf; | if (c) |
int ret, argc = 0, Limit = 0; | e_free(c); |
| } |
| |
| |
| static inline int |
| _check4freeslot(rpc_srv_t * __restrict srv, sockaddr_t * __restrict sa) |
| { |
| rpc_cli_t *c = NULL; |
register int i; |
register int i; |
uint16_t tag = 0; |
|
uint32_t hash = 0; |
|
|
|
if (!arg) { | /* check free slots for connect */ |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t procced RPC client ...\n"); | for (i = 0; i < array_Size(srv->srv_clients) && |
return NULL; | (c = array(srv->srv_clients, i, rpc_cli_t*)); i++) |
} else | /* check for duplicates */ |
s = c->cli_parent; | if (sa && !e_addrcmp(&c->cli_sa, sa, 42)) |
| break; |
| if (i >= array_Size(srv->srv_clients)) |
| return -1; /* no more free slots! */ |
|
|
buf = malloc(s->srv_netbuf); | return i; |
if (!buf) { | } |
LOGERR; | |
| static rpc_cli_t * |
| _allocClient(rpc_srv_t * __restrict srv, sockaddr_t * __restrict sa) |
| { |
| rpc_cli_t *c = NULL; |
| int n; |
| |
| if (srv->srv_proto != SOCK_EXT) |
| n = _check4freeslot(srv, sa); |
| else |
| n = 0; |
| if (n == -1) |
return NULL; |
return NULL; |
|
else |
|
c = array(srv->srv_clients, n, rpc_cli_t*); |
|
|
|
if (!c) { |
|
c = e_malloc(sizeof(rpc_cli_t)); |
|
if (!c) { |
|
LOGERR; |
|
srv->srv_kill = 1; |
|
return NULL; |
|
} else { |
|
memset(c, 0, sizeof(rpc_cli_t)); |
|
array_Set(srv->srv_clients, n, c); |
|
c->cli_id = n; |
|
c->cli_parent = srv; |
|
} |
|
|
|
/* alloc empty buffer */ |
|
AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf); |
} |
} |
|
|
do { | return c; |
FD_ZERO(&fds); | } |
FD_SET(c->cli_sock, &fds); | |
ret = select(c->cli_sock + 1, &fds, NULL, NULL, NULL); | |
if (ret == -1) { | |
if (errno == EINTR && s->srv_kill != kill) | |
continue; | |
|
|
LOGERR; | |
ret = -2; | static void * |
break; | freeClient(sched_task_t *task) |
| { |
| rpc_freeCli(TASK_ARG(task)); |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| closeClient(sched_task_t *task) |
| { |
| int sock = ((rpc_cli_t*) TASK_ARG(task))->cli_sock; |
| |
| rpc_freeCli(TASK_ARG(task)); |
| |
| /* close client socket */ |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| txPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| #ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| #endif |
| |
| if (rpc->call_argc) { |
| f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| if (!f) { |
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
| if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
| wlen += ret; |
} |
} |
memset(buf, 0, s->srv_netbuf); | } |
ret = recv(c->cli_sock, buf, s->srv_netbuf, 0); | |
if (ret == -1) { | |
LOGERR; | |
ret = -3; | |
break; | |
} | |
if (!ret) { /* receive EOF */ | |
ret = 0; | |
break; | |
} | |
if (ret < sizeof(struct tagRPCCall)) { | |
rpc_SetErr(ERPCMISMATCH, "Error:: too short RPC packet ...\n"); | |
ret = -4; | |
if (s->srv_kill != kill) | |
continue; | |
else | |
break; | |
} else | |
rpc = (struct tagRPCCall*) buf; | |
/* check RPC packet session info */ | |
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { | |
rpc_SetErr(ERPCMISMATCH, "Error:: get invalid RPC session ...\n"); | |
ret = -5; | |
goto makeReply; | |
} else | |
Limit = sizeof(struct tagRPCCall); | |
|
|
tag = rpc->call_tag; | /* Free return values */ |
hash = rpc->call_hash; | ait_freeVars(&c->cli_vars); |
|
|
/* RPC is OK! Go decapsulate variables ... */ | rpc->call_len = htonl(wlen); |
if (ntohs(rpc->call_argc)) { | rpc->call_io = RPC_ACK; |
arr = io_buffer2vars(buf + Limit, s->srv_netbuf - Limit, | |
ntohs(rpc->call_argc), 1); | |
if (!arr) { | |
ret = -5; | |
goto makeReply; | |
} | |
} else | |
arr = NULL; | |
|
|
/* execute call */ | #if 0 |
argc = 0; | /* calculate CRC */ |
memcpy(&ses, &rpc->call_session, sizeof ses); | rpc->call_crc ^= rpc->call_crc; |
if (!(f = rpc_srv_getCall(s, ntohs(tag), ntohl(hash)))) { | rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc_SetErr(EPROGUNAVAIL, "Error:: call not found into RPC server ...\n"); | #endif |
ret = -6; | |
} else | |
if ((ret = rpc_srv_execCall(f, rpc, arr)) == -1) | |
ret = -9; | |
else { | |
if (arr) | |
io_arrayDestroy(&arr); | |
argc = rpc_srv_getVars(f, &arr); | |
goto makeReply; /* Call finish OK */ | |
} | |
|
|
if (arr) | /* send reply */ |
io_arrayDestroy(&arr); | ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
|
|
makeReply: | taskExit(task, NULL); |
/* Made reply */ | } |
memset(buf, 0, s->srv_netbuf); | |
rrpc = (struct tagRPCRet*) buf; | |
Limit = sizeof(struct tagRPCRet); | |
|
|
memcpy(&rrpc->ret_session, &ses, sizeof(rpc_sess_t)); | static void * |
rrpc->ret_tag = tag; | execCall(sched_task_t *task) |
rrpc->ret_hash = hash; | { |
rrpc->ret_errno = htonl(rpc_Errno); | rpc_cli_t *c = TASK_ARG(task); |
rrpc->ret_retcode = htonl(ret); | rpc_srv_t *s = c->cli_parent; |
rrpc->ret_argc = htons(argc); | rpc_func_t *f = NULL; |
| array_t *arr = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int argc = rpc->call_argc; |
|
|
if (argc && arr) { | /* Go decapsulate variables ... */ |
/* Go Encapsulate variables ... */ | if (argc) { |
if ((i = io_vars2buffer(buf + Limit, s->srv_netbuf - Limit, arr)) == -1) { | arr = ait_buffer2vars(buf + sizeof(struct tagRPCCall), |
io_clrVars(f->func_vars); | AIT_LEN(&c->cli_buf) - sizeof(struct tagRPCCall), argc, 42); |
argc = 0; | if (!arr) { |
ret = -7; | rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
rpc_SetErr(EBADRPC, "Error:: in prepare RPC packet values (-7) ...\n"); | |
goto makeReply; | |
} else { | |
Limit += i; | |
|
|
io_clrVars(f->func_vars); | rpc->call_argc ^= rpc->call_argc; |
} | RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| taskExit(task, NULL); |
} |
} |
|
} else |
|
arr = NULL; |
|
|
ret = send(c->cli_sock, buf, Limit, 0); | if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) { |
if (ret == -1) { | rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
LOGERR; | |
ret = -8; | rpc->call_argc ^= rpc->call_argc; |
break; | RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| /* if client doesn't want reply */ |
| RPC_SET_RETURN(rpc, rpc_srv_execCall(c, rpc, f->func_name, arr)); |
| if (rpc->call_rep.ret == htonl(-1)) { |
| if (!rpc->call_rep.eno) { |
| LOGERR; |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } |
| rpc->call_argc ^= rpc->call_argc; |
| ait_freeVars(&c->cli_vars); |
| } else { |
| rpc->call_rep.eno ^= rpc->call_rep.eno; |
| rpc->call_argc ^= rpc->call_argc; |
| if (TASK_VAL(task)) { |
| /* without reply */ |
| ait_freeVars(&c->cli_vars); |
| } else { |
| /* reply */ |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| } |
} |
} |
if (ret != Limit) { | } |
rpc_SetErr(EPROCUNAVAIL, "Error:: in send RPC request, should be send %d bytes, " | |
"really is %d\n", Limit, ret); | |
ret = -9; | |
if (s->srv_kill != kill) | |
continue; | |
else | |
break; | |
} | |
} while (ret > -1 || s->srv_kill != kill); | |
|
|
shutdown(c->cli_sock, SHUT_RDWR); | array_Destroy(&arr); |
close(c->cli_sock); | taskExit(task, NULL); |
memset(c, 0, sizeof(rpc_cli_t)); | |
free(buf); | |
return (void*) (long)ret; | |
} |
} |
|
|
|
static void * |
|
rxPacket(sched_task_t *task) |
|
{ |
|
rpc_cli_t *c = TASK_ARG(task); |
|
rpc_srv_t *s = c->cli_parent; |
|
int len, noreply = 0, rlen = AIT_LEN(&c->cli_buf); |
|
#if 0 |
|
u_short crc; |
|
#endif |
|
u_char *buf = AIT_GET_BUF(&c->cli_buf); |
|
u_char b[sizeof(struct tagRPCCall)]; |
|
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
|
#ifdef TCP_SESSION_TIMEOUT |
|
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
|
|
|
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
|
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
|
TASK_ARG(task), ts, TASK_ARG(task), 0); |
|
#endif |
|
|
|
/* prepare rx */ |
|
len = recv(TASK_FD(task), b, sizeof b, MSG_PEEK); |
|
if (len == sizeof b) |
|
rlen = ntohl(((struct tagRPCCall*) b)->call_len); |
|
|
|
rlen = recv(TASK_FD(task), buf, rlen, 0); |
|
if (rlen == -1) { |
|
/* close connection */ |
|
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
|
TASK_ARG(task), 0, NULL, 0); |
|
taskExit(task, NULL); |
|
} |
|
if (rlen < sizeof(struct tagRPCCall)) { |
|
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
|
|
|
rpc->call_argc ^= rpc->call_argc; |
|
RPC_SET_RETURN(rpc, -1); |
|
RPC_SET_ERRNO(rpc, rpc_Errno); |
|
goto err; |
|
} else |
|
len = ntohl(rpc->call_len); |
|
if (rlen < len || len > AIT_LEN(&c->cli_buf)) { |
|
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
|
|
|
rpc->call_argc ^= rpc->call_argc; |
|
RPC_SET_RETURN(rpc, -1); |
|
RPC_SET_ERRNO(rpc, rpc_Errno); |
|
goto err; |
|
} |
|
|
|
/* skip loop packet */ |
|
if (rpc->call_io & RPC_ACK) { |
|
schedReadSelf(task); |
|
taskExit(task, NULL); |
|
} |
|
|
|
#if 0 |
|
/* check integrity of packet */ |
|
crc = ntohs(rpc->call_crc); |
|
rpc->call_crc ^= rpc->call_crc; |
|
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { |
|
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); |
|
|
|
rpc->call_argc ^= rpc->call_argc; |
|
RPC_SET_RETURN(rpc, -1); |
|
RPC_SET_ERRNO(rpc, rpc_Errno); |
|
goto err; |
|
} |
|
#endif |
|
|
|
/* check RPC packet session info */ |
|
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) { |
|
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
|
|
|
rpc->call_argc ^= rpc->call_argc; |
|
RPC_SET_RETURN(rpc, -1); |
|
RPC_SET_ERRNO(rpc, rpc_Errno); |
|
goto err; |
|
} |
|
|
|
noreply = RPC_CHK_NOREPLY(rpc); |
|
|
|
/* execute RPC call */ |
|
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); |
|
err: |
|
/* send RPC reply */ |
|
if (!noreply) |
|
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
|
TASK_ARG(task), TASK_FD(task), rpc, len); |
|
|
|
/* lets get next packet */ |
|
schedReadSelf(task); |
|
taskExit(task, NULL); |
|
} |
|
|
static void * |
static void * |
rpc_srv_dispatchVars(void *arg) | acceptClients(sched_task_t *task) |
{ |
{ |
rpc_cli_t *c = arg; | rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *s; | rpc_cli_t *c = NULL; |
rpc_blob_t *b; | socklen_t salen = sizeof(sockaddr_t); |
int ret = 0; | int sock; |
fd_set fds; | #ifdef TCP_SESSION_TIMEOUT |
u_char buf[sizeof(struct tagBLOBHdr)]; | struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct tagBLOBHdr *blob; | #endif |
|
|
if (!arg) { | c = _allocClient(srv, NULL); |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t procced BLOB client ...\n"); | if (!c) { |
return NULL; | EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| } |
| goto end; |
| } |
| |
| /* accept client */ |
| c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen); |
| if (c->cli_sock == -1) { |
| LOGERR; |
| AIT_FREE_VAL(&c->cli_buf); |
| array_Del(srv->srv_clients, c->cli_id, 42); |
| goto end; |
} else |
} else |
s = c->cli_parent; | fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
|
|
do { | #ifdef TCP_SESSION_TIMEOUT |
/* check for disable service at this moment? */ | /* armed timer for close stateless connection */ |
if (s->srv_blob.state == disable && s->srv_kill != kill) { | schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
usleep(100000); | schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], c, |
#ifdef HAVE_PTHREAD_YIELD | ts, c, 0); |
pthread_yield(); | |
#endif |
#endif |
continue; | schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c, |
| c->cli_sock, NULL, 0); |
| end: |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| |
| static void * |
| txUDPPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
| if (rpc->call_argc) { |
| f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| if (!f) { |
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
| if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
| wlen += ret; |
} |
} |
|
} |
|
|
FD_ZERO(&fds); | /* Free return values */ |
FD_SET(c->cli_sock, &fds); | ait_freeVars(&c->cli_vars); |
ret = select(c->cli_sock + 1, &fds, NULL, NULL, NULL); | |
if (ret == -1) { | |
if (errno == EINTR && s->srv_kill != kill && s->srv_blob.state != kill) | |
continue; | |
|
|
LOGERR; | rpc->call_len = htonl(wlen); |
ret = -2; | rpc->call_io = RPC_ACK; |
break; | |
| /* calculate CRC */ |
| rpc->call_crc ^= rpc->call_crc; |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
| /* send reply */ |
| ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
| &c->cli_sa.sa, c->cli_sa.sa.sa_len); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxUDPPacket(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| int len, noreply = 0, rlen; |
| u_short crc; |
| struct tagRPCCall *rpc; |
| sockaddr_t sa; |
| socklen_t salen; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| /* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| salen = sa.ss.ss_len = (u_char) sizeof(sockaddr_t); |
| rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
| else |
| len = ntohl(rpc->call_len); |
| if (rlen < len || len > srv->srv_netbuf) |
| goto end; |
| |
| /* skip loop packet */ |
| if (rpc->call_io & RPC_ACK) |
| goto end; |
| |
| /* check integrity of packet */ |
| crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| goto end; |
| |
| /* check RPC packet session info */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| goto end; |
| |
| c = _allocClient(srv, &sa); |
| if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
| goto end; |
| } else { |
| memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
| c->cli_sock = TASK_FD(task); |
| memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
| |
| /* armed timer for close stateless connection */ |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, ts, c, 0); |
| } |
| |
| noreply = RPC_CHK_NOREPLY(rpc); |
| |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
| /* send RPC reply */ |
| if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
| end: |
| AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| |
| static void * |
| txRAWPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
| if (rpc->call_argc) { |
| f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| if (!f) { |
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
| if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
| wlen += ret; |
} |
} |
|
} |
|
|
memset(buf, 0, sizeof buf); | /* Free return values */ |
ret = recv(c->cli_sock, buf, sizeof buf, 0); | ait_freeVars(&c->cli_vars); |
if (ret == -1) { | |
LOGERR; | rpc->call_len = htonl(wlen); |
ret = -3; | rpc->call_io = RPC_ACK; |
break; | |
| /* calculate CRC */ |
| rpc->call_crc ^= rpc->call_crc; |
| rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
| |
| /* send reply */ |
| ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
| &c->cli_sa.sa, c->cli_sa.sa.sa_len); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxRAWPacket(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| int len, noreply = 0, rlen; |
| u_short crc; |
| struct tagRPCCall *rpc; |
| sockaddr_t sa; |
| socklen_t salen; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| /* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| salen = sa.ss.ss_len = (u_char) sizeof(sockaddr_t); |
| rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| if (sa.sa.sa_family == AF_INET) { |
| struct ip *h; |
| h = (struct ip*) AIT_GET_BUF(&b); |
| if (rlen < ntohs(h->ip_len) || h->ip_p != IPPROTO_ERPC) |
| goto end; |
| else { |
| rlen -= sizeof(struct ip); |
| rpc = (struct tagRPCCall*) (h + 1); |
} |
} |
/* receive EOF, disable or kill service */ | } else { |
if (!ret || s->srv_blob.state == kill || s->srv_kill == kill) { | struct ip6_hdr *h; |
ret = 0; | h = (struct ip6_hdr*) AIT_GET_BUF(&b); |
break; | if (rlen < (ntohs(h->ip6_plen) + sizeof(struct ip6_hdr)) || |
| h->ip6_nxt != IPPROTO_ERPC) |
| goto end; |
| else { |
| rlen -= sizeof(struct ip6_hdr); |
| rpc = (struct tagRPCCall*) (h + 1); |
} |
} |
if (ret < sizeof(struct tagBLOBHdr)) { | } |
rpc_SetErr(ERPCMISMATCH, "Error:: too short BLOB packet ...\n"); | if (rlen < sizeof(struct tagRPCCall)) |
ret = -4; | goto end; |
if (s->srv_kill != kill && s->srv_blob.state != kill) | else |
continue; | len = ntohl(rpc->call_len); |
else | if (rlen < len || len > srv->srv_netbuf) |
break; | goto end; |
} else | |
blob = (struct tagBLOBHdr*) buf; | /* skip loop packet */ |
/* check BLOB packet session info */ | if (rpc->call_io & RPC_ACK) |
if (memcmp(&blob->hdr_session, &s->srv_session, sizeof blob->hdr_session)) { | goto end; |
rpc_SetErr(EINVAL, "Error:: get invalid BLOB session ...\n"); | |
ret = -5; | /* check integrity of packet */ |
goto makeReply; | crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| goto end; |
| |
| /* check RPC packet session info */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| goto end; |
| |
| c = _allocClient(srv, &sa); |
| if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
| goto end; |
| } else { |
| memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
| c->cli_sock = TASK_FD(task); |
| memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
| |
| /* armed timer for close stateless connection */ |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, ts, c, 0); |
| } |
| |
| noreply = RPC_CHK_NOREPLY(rpc); |
| |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
| /* send RPC reply */ |
| if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
| end: |
| AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| |
| static void * |
| txBPFPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct ether_header *eh; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
| if (rpc->call_argc) { |
| f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| if (!f) { |
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
| if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
| wlen += ret; |
} |
} |
/* Go to proceed packet ... */ | } |
switch (blob->hdr_cmd) { | |
case get: | |
if (!(b = rpc_srv_getBLOB(s, blob->hdr_var))) { | |
rpc_SetErr(EINVAL, "Error:: var (%x) not found into BLOB server ...\n", | |
blob->hdr_var); | |
ret = -6; | |
break; | |
} else | |
blob->hdr_len = b->blob_len; | |
|
|
if (rpc_srv_blobMap(s, b) != -1) { | /* Free return values */ |
ret = rpc_srv_sendBLOB(c, b); | ait_freeVars(&RPC_RETVARS(c)); |
rpc_srv_blobUnmap(b); | |
} else | |
ret = -7; | |
break; | |
case set: | |
if ((b = rpc_srv_registerBLOB(s, blob->hdr_len))) { | |
/* set new BLOB variable for reply :) */ | |
blob->hdr_var = b->blob_var; | |
|
|
ret = rpc_srv_recvBLOB(c, b); | rpc->call_len = htonl(wlen); |
rpc_srv_blobUnmap(b); | rpc->call_io = RPC_ACK; |
} else | |
ret = -7; | /* calculate CRC */ |
break; | rpc->call_crc ^= rpc->call_crc; |
case unset: | rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
ret = rpc_srv_unregisterBLOB(s, blob->hdr_var); | |
if (ret == -1) | /* send reply */ |
ret = -7; | AIT_SET_BUF(&b, NULL, wlen + ETHER_HDR_LEN); |
break; | eh = (struct ether_header*) AIT_GET_BUF(&b); |
default: | memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
rpc_SetErr(EPROCUNAVAIL, "Error:: unsupported BLOB command (%d)...\n", | eh->ether_type = htons(RPC_DEFPORT); |
blob->hdr_cmd); | memcpy(eh + 1, buf, wlen); |
ret = -7; | |
| ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| AIT_FREE_VAL(&b); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxBPFPacket(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| int len, rlen, noreply; |
| u_short crc; |
| struct tagRPCCall *rpc; |
| sockaddr_t sa; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| struct bpf_hdr *h; |
| struct ether_header *eh; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| /* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
| rlen -= h->bh_hdrlen; |
| if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
| rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) |
| goto end; |
| else { |
| rlen = h->bh_caplen; |
| eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
| rlen -= ETHER_HDR_LEN; |
| rpc = (struct tagRPCCall*) (eh + 1); |
| |
| if (eh->ether_type != ntohs(RPC_DEFPORT)) |
| goto end; |
| else |
| e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa); |
| } |
| if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
| else |
| len = ntohl(rpc->call_len); |
| if (rlen < len || len > srv->srv_netbuf) |
| goto end; |
| |
| #ifdef CHECK_ETHACK |
| /* skip loop packet */ |
| if (rpc->call_io & RPC_ACK) |
| goto end; |
| #endif |
| |
| /* check integrity of packet */ |
| crc = ntohs(rpc->call_crc); |
| rpc->call_crc ^= rpc->call_crc; |
| if (crc != crcFletcher16((u_short*) rpc, len / 2)) |
| goto end; |
| |
| /* check RPC packet session info */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| goto end; |
| |
| c = _allocClient(srv, &sa); |
| if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
| goto end; |
| } else { |
| memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
| c->cli_sock = TASK_FD(task); |
| memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
| |
| /* armed timer for close stateless connection */ |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, ts, c, 0); |
| } |
| |
| noreply = RPC_CHK_NOREPLY(rpc); |
| |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
| /* send RPC reply */ |
| if (!noreply) |
| schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
| end: |
| AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| |
| static void * |
| txEXTPacket(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_func_t *f = NULL; |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
| int ret, wlen = sizeof(struct tagRPCCall); |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
| schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), ts, TASK_ARG(task), 0); |
| |
| if (rpc->call_argc) { |
| f = rpc_srv_getCall(s, ntohs(rpc->call_tag)); |
| if (!f) { |
| rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else { |
| rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
| /* Go Encapsulate variables */ |
| ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
| if (ret == -1) { |
| rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| RPC_SET_RETURN(rpc, -1); |
| RPC_SET_ERRNO(rpc, rpc_Errno); |
| } else |
| wlen += ret; |
} |
} |
|
} |
|
|
makeReply: | /* Free return values */ |
/* Replay to client! */ | ait_freeVars(&RPC_RETVARS(c)); |
blob->hdr_cmd = ret < 0 ? error : ok; | |
blob->hdr_ret = ret; | rpc->call_len = htonl(wlen); |
ret = send(c->cli_sock, buf, sizeof buf, 0); | rpc->call_io = RPC_ACK; |
if (ret == -1) { | |
LOGERR; | /* send reply */ |
ret = -8; | ret = write(TASK_FD(task), buf, wlen); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxEXTPacket(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| int len, noreply = 0, rlen = AIT_LEN(&c->cli_buf); |
| struct tagRPCCall *rpc; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| sockaddr_t sa; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| memset(&sa, 0, sizeof sa); |
| /* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
| else |
| len = ntohl(rpc->call_len); |
| if (rlen < len || len > srv->srv_netbuf) |
| goto end; |
| |
| /* skip loop packet */ |
| if (rpc->call_io & RPC_ACK) |
| goto end; |
| |
| /* check RPC packet session info */ |
| if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
| goto end; |
| |
| c = _allocClient(srv, &sa); |
| if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
| goto end; |
| } else { |
| memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
| rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
| |
| c->cli_sock = TASK_FD(task); |
| |
| /* armed timer for close stateless connection */ |
| schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
| schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
| c, ts, c, 0); |
| } |
| |
| noreply = RPC_CHK_NOREPLY(rpc); |
| |
| /* execute RPC call */ |
| schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
| |
| /* send RPC reply */ |
| if (!noreply) |
| schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
| c, TASK_FD(task), rpc, len); |
| end: |
| AIT_FREE_VAL(&b); |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| /* ------------------------------------------------------ */ |
| |
| void |
| rpc_freeBLOBCli(rpc_cli_t * __restrict c) |
| { |
| rpc_srv_t *s = c->cli_parent; |
| |
| schedCancelby(s->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
| |
| /* free buffer */ |
| AIT_FREE_VAL(&c->cli_buf); |
| |
| array_Del(s->srv_blob.clients, c->cli_id, 0); |
| if (c) |
| e_free(c); |
| } |
| |
| |
| static void * |
| closeBLOBClient(sched_task_t *task) |
| { |
| int sock = ((rpc_cli_t*) TASK_ARG(task))->cli_sock; |
| |
| rpc_freeBLOBCli(TASK_ARG(task)); |
| |
| /* close client socket */ |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| txBLOB(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
| int wlen = sizeof(struct tagBLOBHdr); |
| |
| /* send reply */ |
| wlen = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL); |
| if (wlen == -1 || wlen != sizeof(struct tagBLOBHdr)) { |
| /* close blob connection */ |
| schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxBLOB(sched_task_t *task) |
| { |
| rpc_cli_t *c = TASK_ARG(task); |
| rpc_srv_t *s = c->cli_parent; |
| rpc_blob_t *b; |
| struct tagBLOBHdr blob; |
| int rlen; |
| |
| memset(&blob, 0, sizeof blob); |
| rlen = recv(TASK_FD(task), &blob, sizeof blob, 0); |
| if (rlen < 1) { |
| /* close blob connection */ |
| schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0); |
| taskExit(task, NULL); |
| } |
| |
| /* check BLOB packet */ |
| if (rlen < sizeof(struct tagBLOBHdr)) { |
| rpc_SetErr(ERPCMISMATCH, "Short BLOB packet"); |
| |
| schedReadSelf(task); |
| taskExit(task, NULL); |
| } |
| |
| /* check RPC packet session info */ |
| if (rpc_chkPktSession(&blob.hdr_session, &s->srv_session)) { |
| rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
| blob.hdr_cmd = error; |
| goto end; |
| } |
| |
| /* Go to proceed packet ... */ |
| switch (blob.hdr_cmd) { |
| case get: |
| if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) { |
| rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var)); |
| blob.hdr_cmd = no; |
| RPC_SET_BLOB_RET(&blob, -1); |
| break; |
| } else |
| blob.hdr_len = htonl(b->blob_len); |
| |
| if (rpc_srv_blobMap(s, b) != -1) { |
| /* deliver BLOB variable to client */ |
| blob.hdr_ret = htonl(rpc_srv_sendBLOB(c, b)); |
| rpc_srv_blobUnmap(b); |
| } else { |
| blob.hdr_cmd = error; |
| RPC_SET_BLOB_RET(&blob, -1); |
| } |
break; |
break; |
|
case set: |
|
if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len), |
|
ntohl(blob.hdr_ret)))) { |
|
/* set new BLOB variable for reply :) */ |
|
blob.hdr_var = htonl(b->blob_var); |
|
|
|
/* receive BLOB from client */ |
|
blob.hdr_ret = htonl(rpc_srv_recvBLOB(c, b)); |
|
rpc_srv_blobUnmap(b); |
|
} else { |
|
blob.hdr_cmd = error; |
|
RPC_SET_BLOB_RET(&blob, -1); |
|
} |
|
break; |
|
case unset: |
|
if (rpc_srv_unregisterBLOB(s, ntohl(blob.hdr_var)) == -1) { |
|
blob.hdr_cmd = error; |
|
RPC_SET_BLOB_RET(&blob, -1); |
|
} |
|
break; |
|
default: |
|
rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd); |
|
blob.hdr_cmd = error; |
|
RPC_SET_BLOB_RET(&blob, -1); |
|
} |
|
|
|
end: |
|
memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob); |
|
schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0); |
|
schedReadSelf(task); |
|
taskExit(task, NULL); |
|
} |
|
|
|
static void * |
|
flushBLOB(sched_task_t *task) |
|
{ |
|
uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg); |
|
rpc_srv_t *srv = sigArg ? (void*) sigArg : TASK_ARG(task); |
|
rpc_blob_t *b, *tmp; |
|
|
|
TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
|
TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node); |
|
|
|
rpc_srv_blobFree(srv, b); |
|
e_free(b); |
|
} |
|
|
|
if (!schedSignalSelf(task)) { |
|
/* disabled kqueue support in libaitsched */ |
|
struct sigaction sa; |
|
|
|
memset(&sa, 0, sizeof sa); |
|
sigemptyset(&sa.sa_mask); |
|
sa.sa_handler = (void (*)(int)) flushBLOB; |
|
sa.sa_flags = SA_RESTART | SA_RESETHAND; |
|
sigaction(SIGFBLOB, &sa, NULL); |
|
} |
|
|
|
taskExit(task, NULL); |
|
} |
|
|
|
static void * |
|
acceptBLOBClients(sched_task_t *task) |
|
{ |
|
rpc_srv_t *srv = TASK_ARG(task); |
|
rpc_cli_t *c = NULL; |
|
register int i; |
|
socklen_t salen = sizeof(sockaddr_t); |
|
int sock; |
|
#ifdef TCP_NOPUSH |
|
int n = 1; |
|
#endif |
|
|
|
/* check free slots for connect */ |
|
for (i = 0; i < array_Size(srv->srv_blob.clients) && |
|
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++); |
|
if (c) { /* no more free slots! */ |
|
EVERBOSE(1, "BLOB client quota exceeded! Connection will be shutdown!\n"); |
|
if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
|
shutdown(sock, SHUT_RDWR); |
|
close(sock); |
} |
} |
if (ret != sizeof buf) { | goto end; |
rpc_SetErr(EPROCUNAVAIL, "Error:: in send BLOB reply, should be send %d bytes, " | } |
"really is %d\n", sizeof buf, ret); | |
ret = -9; | |
if (s->srv_kill != kill && s->srv_blob.state != kill) | |
continue; | |
else | |
break; | |
} | |
} while (ret > -1 || s->srv_kill != kill); | |
|
|
shutdown(c->cli_sock, SHUT_RDWR); | c = e_malloc(sizeof(rpc_cli_t)); |
close(c->cli_sock); | if (!c) { |
memset(c, 0, sizeof(rpc_cli_t)); | LOGERR; |
return (void*) ((long)ret); | srv->srv_kill = srv->srv_blob.kill = 1; |
| taskExit(task, NULL); |
| } else { |
| memset(c, 0, sizeof(rpc_cli_t)); |
| array_Set(srv->srv_blob.clients, i, c); |
| c->cli_id = i; |
| c->cli_parent = srv; |
| } |
| |
| /* alloc empty buffer */ |
| AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf); |
| |
| /* accept client */ |
| c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen); |
| if (c->cli_sock == -1) { |
| LOGERR; |
| AIT_FREE_VAL(&c->cli_buf); |
| array_Del(srv->srv_blob.clients, i, 42); |
| goto end; |
| } else { |
| #ifdef TCP_NOPUSH |
| setsockopt(c->cli_sock, IPPROTO_TCP, TCP_NOPUSH, &n, sizeof n); |
| #endif |
| fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
| } |
| |
| schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0); |
| end: |
| schedReadSelf(task); |
| taskExit(task, NULL); |
} |
} |
|
|
// ------------------------------------------------- | /* ------------------------------------------------------ */ |
|
|
/* |
/* |
* 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 |
Line 345 int
|
Line 1265 int
|
rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir) |
rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_short Port, const char *diskDir) |
{ |
{ |
int n = 1; |
int n = 1; |
io_sockaddr_t sa; |
|
|
|
if (!srv) { | if (!srv || srv->srv_kill) { |
rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server"); |
rpc_SetErr(EINVAL, "Invalid parameters can`t init BLOB server"); |
return -1; |
return -1; |
} |
} |
if (srv->srv_blob.state) { |
|
rpc_SetErr(EPERM, "Already started BLOB server!"); |
|
return 0; |
|
} |
|
|
|
memset(&srv->srv_blob, 0, sizeof srv->srv_blob); |
memset(&srv->srv_blob, 0, sizeof srv->srv_blob); |
if (access(diskDir, R_OK | W_OK) == -1) { |
if (access(diskDir, R_OK | W_OK) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} else |
} else |
srv->srv_blob.dir = strdup(diskDir); | AIT_SET_STR(&srv->srv_blob.dir, diskDir); |
|
|
srv->srv_blob.server.cli_tid = pthread_self(); | /* init blob list */ |
| TAILQ_INIT(&srv->srv_blob.blobs); |
| |
srv->srv_blob.server.cli_parent = srv; |
srv->srv_blob.server.cli_parent = srv; |
|
|
memcpy(&sa, &srv->srv_server.cli_sa, sizeof sa); | memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(sockaddr_t)); |
switch (sa.sa.sa_family) { | switch (srv->srv_blob.server.cli_sa.sa.sa_family) { |
case AF_INET: |
case AF_INET: |
sa.sin.sin_port = htons(Port ? Port : ntohs(sa.sin.sin_port) + 1); | srv->srv_blob.server.cli_sa.sin.sin_port = |
| htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1); |
break; |
break; |
case AF_INET6: |
case AF_INET6: |
sa.sin6.sin6_port = htons(Port ? Port : ntohs(sa.sin6.sin6_port) + 1); | srv->srv_blob.server.cli_sa.sin6.sin6_port = |
| htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1); |
break; |
break; |
case AF_LOCAL: |
case AF_LOCAL: |
strlcat(sa.sun.sun_path, ".blob", sizeof sa.sun.sun_path); | strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob", |
| sizeof srv->srv_blob.server.cli_sa.sun.sun_path); |
break; |
break; |
default: |
default: |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
memcpy(&srv->srv_blob.server.cli_sa, &sa, sizeof sa); |
|
|
|
/* create BLOB server socket */ |
/* create BLOB server socket */ |
srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0); |
srv->srv_blob.server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, SOCK_STREAM, 0); |
if (srv->srv_blob.server.cli_sock == -1) { |
if (srv->srv_blob.server.cli_sock == -1) { |
LOGERR; |
LOGERR; |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
n = srv->srv_netbuf; |
n = srv->srv_netbuf; |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_blob.server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} |
} |
if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa.sa, |
if (bind(srv->srv_blob.server.cli_sock, &srv->srv_blob.server.cli_sa.sa, |
srv->srv_blob.server.cli_sa.sa.sa_len) == -1) { |
srv->srv_blob.server.cli_sa.sa.sa_len) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} | } else |
| fcntl(srv->srv_blob.server.cli_sock, F_SETFL, |
| fcntl(srv->srv_blob.server.cli_sock, F_GETFL) | O_NONBLOCK); |
|
|
/* allocate pool for concurent clients */ | |
srv->srv_blob.clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t)); | /* allocate pool for concurent blob clients */ |
| srv->srv_blob.clients = array_Init(array_Size(srv->srv_clients)); |
if (!srv->srv_blob.clients) { |
if (!srv->srv_blob.clients) { |
LOGERR; | rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
close(srv->srv_blob.server.cli_sock); |
close(srv->srv_blob.server.cli_sock); |
free(srv->srv_blob.dir); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return -1; |
return -1; |
} else | } |
memset(srv->srv_blob.clients, 0, srv->srv_numcli * sizeof(rpc_cli_t)); | |
|
|
pthread_mutex_init(&srv->srv_blob.mtx, NULL); | /* init blob scheduler */ |
| srv->srv_blob.root = schedBegin(); |
| if (!srv->srv_blob.root) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
| array_Destroy(&srv->srv_blob.clients); |
| close(srv->srv_blob.server.cli_sock); |
| AIT_FREE_VAL(&srv->srv_blob.dir); |
| return -1; |
| } |
|
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBCLIENTS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBVARS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_BLOBSTATE, 0); |
|
|
|
srv->srv_blob.state = enable; /* enable BLOB */ |
|
return 0; |
return 0; |
} |
} |
|
|
/* |
/* |
* 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 |
void |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
rpc_cli_t *c; | if (!srv) |
register int i; | |
rpc_blob_t *f; | |
| |
if (!srv) { | |
rpc_SetErr(EINVAL, "Can`t destroy server because parameter is null!"); | |
return; |
return; |
} else |
|
srv->srv_blob.state = kill; |
|
|
|
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSHUTDOWN); | srv->srv_blob.kill = 1; |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBCLIENTS); | |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBVARS); | |
rpc_srv_unregisterCall(srv, NULL, CALL_BLOBSTATE); | |
|
|
if (srv->srv_blob.dir) | schedEnd(&srv->srv_blob.root); |
free(srv->srv_blob.dir); | |
|
|
/* close all clients connections & server socket */ | if (srv->srv_blob.server.cli_sa.sa.sa_family == AF_LOCAL) |
for (i = 0, c = srv->srv_blob.clients; i < srv->srv_numcli && c; i++, c++) | unlink(srv->srv_blob.server.cli_sa.sun.sun_path); |
if (c->cli_sa.sa.sa_family) | |
shutdown(c->cli_sock, SHUT_RDWR); | |
close(srv->srv_blob.server.cli_sock); | |
| |
pthread_mutex_lock(&srv->srv_blob.mtx); | |
if (srv->srv_blob.clients) { | |
free(srv->srv_blob.clients); | |
srv->srv_blob.clients = NULL; | |
} | |
| |
/* detach blobs */ | |
while ((f = srv->srv_blob.blobs)) { | |
srv->srv_blob.blobs = f->blob_next; | |
rpc_srv_blobFree(srv, f); | |
free(f); | |
} | |
pthread_mutex_unlock(&srv->srv_blob.mtx); | |
| |
while (pthread_mutex_trylock(&srv->srv_blob.mtx) == EBUSY); | |
pthread_mutex_destroy(&srv->srv_blob.mtx); | |
} |
} |
|
|
/* |
/* |
* rpc_srv_loopBLOB() Execute Main BLOB server loop and wait for clients requests | * rpc_srv_loopBLOBServer() - 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 |
int |
rpc_srv_loopBLOB(rpc_srv_t * __restrict srv) | rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv) |
{ |
{ |
socklen_t salen = sizeof(io_sockaddr_t); |
|
register int i; |
|
rpc_cli_t *c; |
rpc_cli_t *c; |
fd_set fds; | register int i; |
int ret; | rpc_blob_t *b, *tmp; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | struct timespec ts = { RPC_SCHED_POLLING, 0 }; |
pthread_attr_t attr; | |
|
|
if (!srv || srv->srv_blob.state == kill) { | if (!srv || srv->srv_kill) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t start BLOB server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t start BLOB server"); |
return -1; |
return -1; |
} |
} |
|
|
tv.tv_sec = srv->srv_session.sess_timeout; | if (listen(srv->srv_blob.server.cli_sock, array_Size(srv->srv_blob.clients)) == -1) { |
| |
if (listen(srv->srv_blob.server.cli_sock, SOMAXCONN) == -1) { | |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
|
|
pthread_attr_init(&attr); | if (!schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0)) { |
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | /* disabled kqueue support in libaitsched */ |
| struct sigaction sa; |
|
|
/* main BLOB loop */ | atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv); |
while (srv->srv_blob.state != kill && srv->srv_kill != kill) { | |
for (c = srv->srv_blob.clients, i = 0; i < srv->srv_numcli && c; i++, c++) | |
if (!c->cli_sa.sa.sa_family) | |
break; | |
if (i >= srv->srv_numcli) { | |
#ifdef HAVE_PTHREAD_YIELD | |
pthread_yield(); | |
#else | |
usleep(1000000); | |
#endif | |
continue; | |
} | |
|
|
FD_ZERO(&fds); | memset(&sa, 0, sizeof sa); |
FD_SET(srv->srv_blob.server.cli_sock, &fds); | sigemptyset(&sa.sa_mask); |
ret = select(srv->srv_blob.server.cli_sock + 1, &fds, NULL, NULL, &tv); | sa.sa_handler = (void (*)(int)) flushBLOB; |
if (ret == -1) { | sa.sa_flags = SA_RESTART | SA_RESETHAND; |
LOGERR; | sigaction(SIGFBLOB, &sa, NULL); |
ret = 1; | } |
break; | |
} | |
if (!ret) | |
continue; | |
|
|
c->cli_sock = accept(srv->srv_blob.server.cli_sock, &c->cli_sa.sa, &salen); | if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv, |
if (c->cli_sock == -1) { | srv->srv_blob.server.cli_sock, NULL, 0)) { |
LOGERR; | rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
continue; | return -1; |
} else | } |
c->cli_parent = srv; | |
|
|
/* spawn dispatch thread for BLOB client */ | schedPolling(srv->srv_blob.root, &ts, NULL); |
if (pthread_create(&c->cli_tid, &attr, rpc_srv_dispatchVars, c)) { | /* main rpc loop */ |
LOGERR; | schedRun(srv->srv_blob.root, &srv->srv_blob.kill); |
continue; | |
| /* detach blobs */ |
| TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) { |
| TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node); |
| |
| rpc_srv_blobFree(srv, b); |
| e_free(b); |
| } |
| |
| /* close all clients connections & server socket */ |
| for (i = 0; i < array_Size(srv->srv_blob.clients); i++) { |
| c = array(srv->srv_blob.clients, i, rpc_cli_t*); |
| if (c) { |
| shutdown(c->cli_sock, SHUT_RDWR); |
| close(c->cli_sock); |
| |
| schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
| AIT_FREE_VAL(&c->cli_buf); |
} |
} |
|
array_Del(srv->srv_blob.clients, i, 42); |
} |
} |
|
array_Destroy(&srv->srv_blob.clients); |
|
|
srv->srv_blob.state = kill; | close(srv->srv_blob.server.cli_sock); |
|
|
pthread_attr_destroy(&attr); | AIT_FREE_VAL(&srv->srv_blob.dir); |
return 0; |
return 0; |
} |
} |
|
|
|
|
/* |
/* |
* 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 |
* @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet) | * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
* @family = Family type, AF_INET, AF_INET6 or AF_LOCAL | |
* @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_t * |
rpc_srv_initServer(u_int regProgID, u_int regProcID, int concurentClients, | rpc_srv_initServer(u_char InstID, int concurentClients, int netBuf, |
int netBuf, u_short family, const char *csHost, u_short Port) | const char *csHost, u_short Port, int proto) |
{ |
{ |
rpc_srv_t *srv = NULL; |
|
int n = 1; |
int n = 1; |
struct hostent *host = NULL; | rpc_srv_t *srv = NULL; |
io_sockaddr_t sa; | sockaddr_t sa = E_SOCKADDR_INIT; |
|
|
if (!concurentClients || !regProgID || | if (!concurentClients || (proto < 0 || proto > SOCK_RAW)) { |
(family != AF_INET && family != AF_INET6 && family != AF_LOCAL)) { | rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t init RPC server ...\n"); | |
return NULL; |
return NULL; |
} |
} |
if (!Port) | if (!Port && proto < SOCK_RAW) |
Port = RPC_DEFPORT; |
Port = RPC_DEFPORT; |
if (!netBuf) | if (!e_gethostbyname(csHost, Port, &sa)) |
| return NULL; |
| if (!proto) |
| proto = SOCK_STREAM; |
| if (netBuf < RPC_MIN_BUFSIZ) |
netBuf = BUFSIZ; |
netBuf = BUFSIZ; |
if (csHost && family != AF_LOCAL) { | else |
host = gethostbyname2(csHost, family); | netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */ |
if (!host) { | |
rpc_SetErr(h_errno, "Error:: %s\n", hstrerror(h_errno)); | |
return NULL; | |
} | |
} | |
memset(&sa, 0, sizeof sa); | |
sa.sa.sa_family = family; | |
switch (family) { | |
case AF_INET: | |
sa.sin.sin_len = sizeof(struct sockaddr_in); | |
sa.sin.sin_port = htons(Port); | |
if (csHost) | |
memcpy(&sa.sin.sin_addr, host->h_addr, host->h_length); | |
break; | |
case AF_INET6: | |
sa.sin6.sin6_len = sizeof(struct sockaddr_in6); | |
sa.sin6.sin6_port = htons(Port); | |
if (csHost) | |
memcpy(&sa.sin6.sin6_addr, host->h_addr, host->h_length); | |
break; | |
case AF_LOCAL: | |
sa.sun.sun_len = sizeof(struct sockaddr_un); | |
if (csHost) | |
strlcpy(sa.sun.sun_path, csHost, sizeof sa.sun.sun_path); | |
unlink(sa.sun.sun_path); | |
break; | |
default: | |
rpc_SetErr(EINVAL, "Error:: Invalid parameters can`t start RPC server ...\n"); | |
return NULL; | |
} | |
|
|
srv = malloc(sizeof(rpc_srv_t)); | #ifdef HAVE_SRANDOMDEV |
| srandomdev(); |
| #else |
| time_t tim; |
| |
| srandom((time(&tim) ^ getpid())); |
| #endif |
| |
| srv = e_malloc(sizeof(rpc_srv_t)); |
if (!srv) { |
if (!srv) { |
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
} else |
} else |
memset(srv, 0, sizeof(rpc_srv_t)); |
memset(srv, 0, sizeof(rpc_srv_t)); |
|
|
|
srv->srv_proto = proto; |
srv->srv_netbuf = netBuf; |
srv->srv_netbuf = netBuf; |
srv->srv_numcli = concurentClients; |
|
srv->srv_session.sess_version = RPC_VERSION; |
srv->srv_session.sess_version = RPC_VERSION; |
srv->srv_session.sess_timeout = DEF_RPC_TIMEOUT; | srv->srv_session.sess_instance = InstID; |
srv->srv_session.sess_program = regProgID; | |
srv->srv_session.sess_process = regProcID; | |
|
|
srv->srv_server.cli_tid = pthread_self(); |
|
srv->srv_server.cli_parent = srv; |
srv->srv_server.cli_parent = srv; |
memcpy(&srv->srv_server.cli_sa, &sa, sizeof sa); | memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa); |
|
|
/* init rpc scheduler */ | /* init functions */ |
srv->srv_sched = schedBegin(); | pthread_mutex_init(&srv->srv_funcs.mtx, NULL); |
if (!srv->srv_sched) { | SLIST_INIT(&srv->srv_funcs); |
| AVL_INIT(&srv->srv_funcs); |
| |
| /* init scheduler */ |
| srv->srv_root = schedBegin(); |
| if (!srv->srv_root) { |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
|
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
|
e_free(srv); |
return NULL; |
return NULL; |
} |
} |
|
|
|
/* init pool for clients */ |
|
srv->srv_clients = array_Init(concurentClients); |
|
if (!srv->srv_clients) { |
|
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
|
schedEnd(&srv->srv_root); |
|
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
|
e_free(srv); |
|
return NULL; |
|
} |
|
|
/* create server socket */ |
/* create server socket */ |
srv->srv_server.cli_sock = socket(family, SOCK_STREAM, 0); | srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, |
| srv->srv_proto, srv->srv_proto == SOCK_RAW ? IPPROTO_ERPC : 0); |
if (srv->srv_server.cli_sock == -1) { |
if (srv->srv_server.cli_sock == -1) { |
LOGERR; |
LOGERR; |
schedEnd(&srv->srv_sched); | array_Destroy(&srv->srv_clients); |
free(srv); | schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
return NULL; |
return NULL; |
} |
} |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_REUSEADDR, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
schedEnd(&srv->srv_sched); | |
free(srv); | |
return NULL; | |
} |
} |
|
if (srv->srv_proto == SOCK_STREAM) |
|
setsockopt(srv->srv_server.cli_sock, IPPROTO_TCP, TCP_NODELAY, &n, sizeof n); |
n = srv->srv_netbuf; |
n = srv->srv_netbuf; |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_SNDBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
schedEnd(&srv->srv_sched); | |
free(srv); | |
return NULL; | |
} |
} |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
if (setsockopt(srv->srv_server.cli_sock, SOL_SOCKET, SO_RCVBUF, &n, sizeof n) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
schedEnd(&srv->srv_sched); | |
free(srv); | |
return NULL; | |
} |
} |
if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, |
if (bind(srv->srv_server.cli_sock, &srv->srv_server.cli_sa.sa, |
srv->srv_server.cli_sa.sa.sa_len) == -1) { |
srv->srv_server.cli_sa.sa.sa_len) == -1) { |
LOGERR; |
LOGERR; |
close(srv->srv_server.cli_sock); | goto err; |
schedEnd(&srv->srv_sched); | |
free(srv); | |
return NULL; | |
} | |
| |
/* allocate pool for concurent clients */ | |
srv->srv_clients = calloc(srv->srv_numcli, sizeof(rpc_cli_t)); | |
if (!srv->srv_clients) { | |
LOGERR; | |
close(srv->srv_server.cli_sock); | |
schedEnd(&srv->srv_sched); | |
free(srv); | |
return NULL; | |
} else |
} else |
memset(srv->srv_clients, 0, srv->srv_numcli * sizeof(rpc_cli_t)); | fcntl(srv->srv_server.cli_sock, F_SETFL, |
| fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
|
|
pthread_mutex_init(&srv->srv_mtx, NULL); | rpc_register_srvPing(srv); |
|
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSHUTDOWN, 0); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCLIENTS, 1); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVSESSIONS, 4); |
|
rpc_srv_registerCall(srv, NULL, CALL_SRVCALLS, 1); |
|
return srv; |
return srv; |
|
err: /* error condition */ |
|
close(srv->srv_server.cli_sock); |
|
array_Destroy(&srv->srv_clients); |
|
schedEnd(&srv->srv_root); |
|
pthread_mutex_destroy(&srv->srv_funcs.mtx); |
|
e_free(srv); |
|
return NULL; |
} |
} |
|
|
/* |
/* |
* 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 |
| * |
* @psrv = RPC Server instance |
* @psrv = RPC Server instance |
* return: none |
* return: none |
*/ |
*/ |
void |
void |
rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
rpc_srv_endServer(rpc_srv_t ** __restrict psrv) |
{ |
{ |
rpc_cli_t *c; | if (!psrv || !*psrv) |
register int i; | |
rpc_func_t *f; | |
| |
if (!psrv || !*psrv) { | |
rpc_SetErr(EINVAL, "Error:: Can`t destroy server because parameter is null!\n"); | |
return; |
return; |
} |
|
|
|
|
/* if send kill to blob server */ |
rpc_srv_endBLOBServer(*psrv); |
rpc_srv_endBLOBServer(*psrv); |
|
|
/* destroy rpc scheduler */ | (*psrv)->srv_kill = 1; |
schedEnd(&(*psrv)->srv_sched); | sleep(RPC_SCHED_POLLING); |
|
|
/* close all clients connections & server socket */ | schedEnd(&(*psrv)->srv_root); |
for (i = 0, c = (*psrv)->srv_clients; i < (*psrv)->srv_numcli && c; i++, c++) | |
if (c->cli_sa.sa.sa_family) { | |
shutdown(c->cli_sock, SHUT_RDWR); | |
close(c->cli_sock); | |
} | |
close((*psrv)->srv_server.cli_sock); | |
|
|
if ((*psrv)->srv_clients) { | if ((*psrv)->srv_server.cli_sa.sa.sa_family == AF_LOCAL) |
free((*psrv)->srv_clients); | unlink((*psrv)->srv_server.cli_sa.sun.sun_path); |
(*psrv)->srv_clients = NULL; | |
(*psrv)->srv_numcli = 0; | |
} | |
|
|
/* detach exported calls */ | pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
pthread_mutex_lock(&(*psrv)->srv_mtx); | e_free(*psrv); |
while ((f = (*psrv)->srv_funcs)) { | |
(*psrv)->srv_funcs = f->func_next; | |
io_freeVars(&f->func_vars); | |
free(f); | |
} | |
pthread_mutex_unlock(&(*psrv)->srv_mtx); | |
| |
while (pthread_mutex_trylock(&(*psrv)->srv_mtx) == EBUSY); | |
pthread_mutex_destroy(&(*psrv)->srv_mtx); | |
| |
free(*psrv); | |
*psrv = NULL; |
*psrv = NULL; |
} |
} |
|
|
/* |
/* |
* rpc_srv_loopServer() 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 |
int |
rpc_srv_loopServer(rpc_srv_t * __restrict srv) |
rpc_srv_loopServer(rpc_srv_t * __restrict srv) |
{ |
{ |
socklen_t salen = sizeof(io_sockaddr_t); |
|
register int i; |
|
rpc_cli_t *c; |
rpc_cli_t *c; |
fd_set fds; | register int i; |
int ret; | rpc_func_t *f; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | struct timespec ts = { RPC_SCHED_POLLING, 0 }; |
|
|
if (!srv) { |
if (!srv) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t start RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t start RPC server"); |
return -1; |
return -1; |
} |
} |
|
|
/* activate BLOB server worker if srv->srv_blob.state == enable */ | if (srv->srv_proto == SOCK_STREAM) |
rpc_srv_execBLOBServer(srv); | if (listen(srv->srv_server.cli_sock, array_Size(srv->srv_clients)) == -1) { |
| LOGERR; |
| return -1; |
| } |
|
|
if (listen(srv->srv_server.cli_sock, SOMAXCONN) == -1) { | if (!schedRead(srv->srv_root, cbProto[srv->srv_proto][CB_ACCEPTCLIENT], srv, |
LOGERR; | srv->srv_server.cli_sock, NULL, 0)) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
return -1; |
return -1; |
} |
} |
|
|
while (srv->srv_kill != kill) { | schedPolling(srv->srv_root, &ts, NULL); |
for (c = srv->srv_clients, i = 0; i < srv->srv_numcli && c; i++, c++) | /* main rpc loop */ |
if (!c->cli_sa.sa.sa_family) | schedRun(srv->srv_root, &srv->srv_kill); |
break; | |
if (i >= srv->srv_numcli) { | |
#ifdef HAVE_PTHREAD_YIELD | |
pthread_yield(); | |
#else | |
usleep(1000000); | |
#endif | |
continue; | |
} | |
|
|
FD_ZERO(&fds); | /* close all clients connections & server socket */ |
FD_SET(srv->srv_server.cli_sock, &fds); | for (i = 0; i < array_Size(srv->srv_clients); i++) { |
ret = select(srv->srv_server.cli_sock + 1, &fds, NULL, NULL, &tv); | c = array(srv->srv_clients, i, rpc_cli_t*); |
if (ret == -1) { | if (c) { |
LOGERR; | if (srv->srv_proto == SOCK_STREAM) { |
ret = 1; | shutdown(c->cli_sock, SHUT_RDWR); |
break; | close(c->cli_sock); |
| } |
| |
| schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
| ait_freeVars(&RPC_RETVARS(c)); |
| AIT_FREE_VAL(&c->cli_buf); |
} |
} |
if (!ret) | array_Del(srv->srv_clients, i, 42); |
continue; | } |
| array_Destroy(&srv->srv_clients); |
|
|
c->cli_sock = accept(srv->srv_server.cli_sock, &c->cli_sa.sa, &salen); | if (srv->srv_proto != SOCK_EXT) |
if (c->cli_sock == -1) { | close(srv->srv_server.cli_sock); |
LOGERR; | |
continue; | |
} else | |
c->cli_parent = srv; | |
|
|
if (pthread_create(&c->cli_tid, NULL, rpc_srv_dispatchCall, c)) { | /* detach exported calls */ |
LOGERR; | RPC_FUNCS_LOCK(&srv->srv_funcs); |
continue; | while ((f = SLIST_FIRST(&srv->srv_funcs))) { |
} else | SLIST_REMOVE_HEAD(&srv->srv_funcs, func_next); |
pthread_detach(c->cli_tid); | |
| AIT_FREE_VAL(&f->func_name); |
| e_free(f); |
} |
} |
|
srv->srv_funcs.avlh_root = NULL; |
|
RPC_FUNCS_UNLOCK(&srv->srv_funcs); |
|
|
return 0; |
return 0; |
} |
} |
|
|
// --------------------------------------------------------- |
|
|
|
/* |
/* |
* 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 |
|
* @funcname = Execute RPC function |
* @args = IN RPC calling arguments from RPC client |
* @args = IN RPC calling arguments from RPC client |
* return: -1 error, !=-1 ok |
* return: -1 error, !=-1 ok |
*/ |
*/ |
int |
int |
rpc_srv_execCall(rpc_func_t * __restrict call, struct tagRPCCall * __restrict rpc, | rpc_srv_execCall(rpc_cli_t * __restrict cli, struct tagRPCCall * __restrict rpc, |
array_t * __restrict args) | ait_val_t funcname, array_t * __restrict args) |
{ |
{ |
void *dl; |
|
rpc_callback_t func; |
rpc_callback_t func; |
int ret; |
|
|
|
if (!call || !rpc || !call->func_parent) { | if (!cli || !rpc || !AIT_ADDR(&funcname)) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t exec call from RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t exec function"); |
return -1; |
return -1; |
} |
} |
|
|
dl = dlopen((char*) (*call->func_file ? call->func_file : NULL), RTLD_NOW); | func = AIT_GET_LIKE(&funcname, rpc_callback_t); |
if (!dl) { | return func(cli, rpc, args); |
rpc_SetErr(ENOENT, "Error:: Can`t attach module %s!\n", dlerror()); | } |
return -1; | |
| |
| /* |
| * rpc_srv_initServer2() - Init & create layer2 RPC Server |
| * |
| * @InstID = Instance for authentication & recognition |
| * @concurentClients = Concurent clients at same time to this server |
| * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
| * @csIface = Interface name for bind server, if NULL first interface on host |
| * return: NULL == error or !=NULL bind and created RPC server instance |
| */ |
| rpc_srv_t * |
| rpc_srv_initServer2(u_char InstID, int concurentClients, int netBuf, const char *csIface) |
| { |
| int n = 1; |
| rpc_srv_t *srv = NULL; |
| sockaddr_t sa = E_SOCKADDR_INIT; |
| char szIface[64], szStr[STRSIZ]; |
| register int i; |
| struct ifreq ifr; |
| struct bpf_insn insns[] = { |
| BPF_STMT(BPF_LD + BPF_H + BPF_ABS, 12), |
| BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, RPC_DEFPORT, 0, 1), |
| BPF_STMT(BPF_RET + BPF_K, -1), |
| BPF_STMT(BPF_RET + BPF_K, 0), |
| }; |
| struct bpf_program fcode = { |
| .bf_len = sizeof(insns) / sizeof(struct bpf_insn), |
| .bf_insns = insns |
| }; |
| |
| if (!concurentClients) { |
| rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server"); |
| return NULL; |
} |
} |
|
if (!csIface) { |
|
if (e_get1stiface(szIface, sizeof szIface)) |
|
return NULL; |
|
} else |
|
strlcpy(szIface, csIface, sizeof szIface); |
|
if (!e_getifacebyname(szIface, &sa)) |
|
return NULL; |
|
|
func = dlsym(dl, (char*) call->func_name); | #ifdef HAVE_SRANDOMDEV |
if (func) | srandomdev(); |
ret = func(call, ntohs(rpc->call_argc), args); | #else |
else { | time_t tim; |
rpc_SetErr(ENOEXEC, "Error:: Can`t find function %s!\n", dlerror()); | |
ret = -1; | srandom((time(&tim) ^ getpid())); |
| #endif |
| |
| srv = e_malloc(sizeof(rpc_srv_t)); |
| if (!srv) { |
| LOGERR; |
| return NULL; |
| } else |
| memset(srv, 0, sizeof(rpc_srv_t)); |
| |
| srv->srv_proto = SOCK_BPF; |
| srv->srv_netbuf = netBuf; |
| srv->srv_session.sess_version = RPC_VERSION; |
| srv->srv_session.sess_instance = InstID; |
| |
| srv->srv_server.cli_parent = srv; |
| memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa); |
| |
| /* init functions */ |
| pthread_mutex_init(&srv->srv_funcs.mtx, NULL); |
| SLIST_INIT(&srv->srv_funcs); |
| AVL_INIT(&srv->srv_funcs); |
| |
| /* init scheduler */ |
| srv->srv_root = schedBegin(); |
| if (!srv->srv_root) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
} |
} |
|
|
dlclose(dl); | /* init pool for clients */ |
return ret; | srv->srv_clients = array_Init(concurentClients); |
| if (!srv->srv_clients) { |
| rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
| schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
| } |
| |
| /* create server handler */ |
| for (i = 0; i < 10; i++) { |
| memset(szStr, 0, sizeof szStr); |
| snprintf(szStr, sizeof szStr, "/dev/bpf%d", i); |
| srv->srv_server.cli_sock = open(szStr, O_RDWR); |
| if (srv->srv_server.cli_sock > STDERR_FILENO) |
| break; |
| } |
| if (srv->srv_server.cli_sock < 3) { |
| LOGERR; |
| array_Destroy(&srv->srv_clients); |
| schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
| } |
| |
| if (ioctl(srv->srv_server.cli_sock, BIOCIMMEDIATE, &n) == -1) { |
| LOGERR; |
| goto err; |
| } |
| if (ioctl(srv->srv_server.cli_sock, BIOCSETF, &fcode) == -1) { |
| LOGERR; |
| goto err; |
| } |
| n = (netBuf < RPC_MIN_BUFSIZ) ? getpagesize() : E_ALIGN(netBuf, 2); |
| if (ioctl(srv->srv_server.cli_sock, BIOCSBLEN, &n) == -1) { |
| LOGERR; |
| goto err; |
| } else |
| srv->srv_netbuf = n; |
| |
| memset(&ifr, 0, sizeof ifr); |
| strlcpy(ifr.ifr_name, szIface, sizeof ifr.ifr_name); |
| if (ioctl(srv->srv_server.cli_sock, BIOCSETIF, &ifr) == -1) { |
| LOGERR; |
| goto err; |
| } else |
| fcntl(srv->srv_server.cli_sock, F_SETFL, |
| fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
| |
| rpc_register_srvPing(srv); |
| |
| return srv; |
| err: /* error condition */ |
| close(srv->srv_server.cli_sock); |
| array_Destroy(&srv->srv_clients); |
| schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
| } |
| |
| /* |
| * rpc_srv_initServerExt() - Init & create pipe RPC Server |
| * |
| * @InstID = Instance for authentication & recognition |
| * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet) |
| * @fd = File descriptor |
| * return: NULL == error or !=NULL bind and created RPC server instance |
| */ |
| rpc_srv_t * |
| rpc_srv_initServerExt(u_char InstID, int netBuf, int fd) |
| { |
| rpc_srv_t *srv = NULL; |
| |
| #ifdef HAVE_SRANDOMDEV |
| srandomdev(); |
| #else |
| time_t tim; |
| |
| srandom((time(&tim) ^ getpid())); |
| #endif |
| |
| srv = e_malloc(sizeof(rpc_srv_t)); |
| if (!srv) { |
| LOGERR; |
| return NULL; |
| } else |
| memset(srv, 0, sizeof(rpc_srv_t)); |
| |
| srv->srv_proto = SOCK_EXT; |
| srv->srv_netbuf = (netBuf < RPC_MIN_BUFSIZ) ? |
| getpagesize() : E_ALIGN(netBuf, 2); |
| srv->srv_session.sess_version = RPC_VERSION; |
| srv->srv_session.sess_instance = InstID; |
| |
| srv->srv_server.cli_parent = srv; |
| srv->srv_server.cli_sock = fd; |
| |
| /* init functions */ |
| pthread_mutex_init(&srv->srv_funcs.mtx, NULL); |
| SLIST_INIT(&srv->srv_funcs); |
| AVL_INIT(&srv->srv_funcs); |
| |
| /* init scheduler */ |
| srv->srv_root = schedBegin(); |
| if (!srv->srv_root) { |
| rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
| } |
| |
| /* init pool for clients */ |
| srv->srv_clients = array_Init(1); |
| if (!srv->srv_clients) { |
| rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
| schedEnd(&srv->srv_root); |
| pthread_mutex_destroy(&srv->srv_funcs.mtx); |
| e_free(srv); |
| return NULL; |
| } |
| |
| fcntl(srv->srv_server.cli_sock, F_SETFL, |
| fcntl(srv->srv_server.cli_sock, F_GETFL) | O_NONBLOCK); |
| |
| rpc_register_srvPing(srv); |
| |
| return srv; |
} |
} |