libaitrpc/src/srv.c - diff

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Diff for /libaitrpc/src/srv.c between versions 1.17.6.4 and 1.32.2.1

version 1.17.6.4, 2013/08/22 13:13:16	version 1.32.2.1, 2025/03/31 12:18:40
Line 12 terms:	Line 12 terms:
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, 2013	Copyright 2004 - 2025
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 58 static void rxUDPPacket(sched_task_t );	Line 58 static void rxUDPPacket(sched_task_t );
static void txUDPPacket(sched_task_t );	static void txUDPPacket(sched_task_t );

/* SOCK_RAW */	/* SOCK_RAW */
	static void rxRAWPacket(sched_task_t );
	static void txRAWPacket(sched_task_t );

static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {	/* SOCK_BPF */
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */	static void rxBPFPacket(sched_task_t );
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */	static void txBPFPacket(sched_task_t );
{ rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */
{ NULL, NULL, NULL, NULL } /* SOCK_RAW */	/* 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	void
rpc_freeCli(rpc_cli_t * __restrict c)	rpc_freeCli(rpc_cli_t * __restrict c)
{	{
rpc_srv_t *s = c->cli_parent;	rpc_srv_t *s = c->cli_parent;

schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL);	if (s->srv_proto == SOCK_STREAM)
	schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL);

/* free buffer */	/* free buffer */
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
Line 107 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *	Line 123 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *
rpc_cli_t *c = NULL;	rpc_cli_t *c = NULL;
int n;	int n;

n = _check4freeslot(srv, sa);	if (srv->srv_proto != SOCK_EXT)
	n = _check4freeslot(srv, sa);
	else
	n = 0;
if (n == -1)	if (n == -1)
return NULL;	return NULL;
else	else
Line 128 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *	Line 147 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *

/* alloc empty buffer */	/* alloc empty buffer */
AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf);	AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf);
	if (!AIT_GET_BUF(&c->cli_buf)) {
	array_Del(srv->srv_clients, n, 0);
	e_free(c);
	c = NULL;
	}
}	}

return c;	return c;
Line 139 freeClient(sched_task_t *task)	Line 163 freeClient(sched_task_t *task)
{	{
rpc_freeCli(TASK_ARG(task));	rpc_freeCli(TASK_ARG(task));

return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 152 closeClient(sched_task_t *task)	Line 176 closeClient(sched_task_t *task)
/* close client socket */	/* close client socket */
shutdown(sock, SHUT_RDWR);	shutdown(sock, SHUT_RDWR);
close(sock);	close(sock);
return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 163 txPacket(sched_task_t *task)	Line 187 txPacket(sched_task_t *task)
rpc_func_t *f = NULL;	rpc_func_t *f = NULL;
u_char *buf = AIT_GET_BUF(&c->cli_buf);	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagRPCCall rpc = (struct tagRPCCall) buf;	struct tagRPCCall rpc = (struct tagRPCCall) buf;
int ret, estlen, wlen = sizeof(struct tagRPCCall);	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) {	if (rpc->call_argc) {
f = rpc_srv_getCall(s, ntohs(rpc->call_tag));	f = rpc_srv_getCall(s, ntohs(rpc->call_tag));
if (!f) {	if (!f) {
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");	rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
} else {	} else if (rpc_pktFreeSpace(c) > s->srv_netbuf) {
/* calc estimated length */	rpc_SetErr(EMSGSIZE, "Message too long");
estlen = ait_resideVars(RPC_RETVARS(c)) + wlen;
if (estlen > AIT_LEN(&c->cli_buf))
AIT_RE_BUF(&c->cli_buf, estlen);
buf = AIT_GET_BUF(&c->cli_buf);

rpc->call_argc = htons(array_Size(RPC_RETVARS(c)));	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 */	/* Go Encapsulate variables */
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen,	ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen,
RPC_RETVARS(c));	RPC_RETVARS(c));
/* Free return values */
ait_freeVars(&c->cli_vars);
if (ret == -1) {	if (ret == -1) {
rpc_SetErr(EBADRPC, "Prepare RPC packet failed");	rpc_SetErr(EBADRPC, "Prepare RPC packet failed");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
} else	} else
wlen += ret;	wlen += ret;
}	}
}	}

	/* Free return values */
	ait_freeVars(&c->cli_vars);

rpc->call_len = htonl(wlen);	rpc->call_len = htonl(wlen);
	rpc->call_io = RPC_ACK;

#if 0	#if 0
/* calculate CRC */	/* calculate CRC */
Line 206 txPacket(sched_task_t *task)	Line 240 txPacket(sched_task_t *task)

/* send reply */	/* send reply */
ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);	ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);
if (ret == -1 \|\| ret != wlen) {	if (ret == -1) {
/* close connection */	/* close connection */
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
TASK_ARG(task), 0, NULL, 0);	TASK_ARG(task), 0, NULL, 0);
}	}

return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 224 execCall(sched_task_t *task)	Line 258 execCall(sched_task_t *task)
array_t *arr = NULL;	array_t *arr = NULL;
u_char *buf = AIT_GET_BUF(&c->cli_buf);	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagRPCCall rpc = (struct tagRPCCall) buf;	struct tagRPCCall rpc = (struct tagRPCCall) buf;
int argc = ntohs(rpc->call_argc);	int argc = rpc->call_argc;

/* Go decapsulate variables ... */	/* Go decapsulate variables ... */
if (argc) {	if (argc) {
Line 234 execCall(sched_task_t *task)	Line 268 execCall(sched_task_t *task)
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError());	rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError());

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
return NULL;	taskExit(task, NULL);
}	}
} else	} else
arr = NULL;	arr = NULL;
Line 245 execCall(sched_task_t *task)	Line 279 execCall(sched_task_t *task)
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");	rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
} else {	} else {
/* if client doesn't want reply */	/* if client doesn't want reply */
argc = RPC_CHK_NOREPLY(rpc);	RPC_SET_RETURN(rpc, rpc_srv_execCall(c, rpc, f->func_name, arr));
rpc->call_rep.ret = RPC_ERROR(rpc_srv_execCall(c, rpc, f->func_name, arr));
if (rpc->call_rep.ret == htonl(-1)) {	if (rpc->call_rep.ret == htonl(-1)) {
rpc->call_rep.eno = RPC_ERROR(errno);	if (!rpc->call_rep.eno) {
	LOGERR;
	RPC_SET_ERRNO(rpc, rpc_Errno);
	}
rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
	ait_freeVars(&c->cli_vars);
} else {	} else {
rpc->call_rep.eno ^= rpc->call_rep.eno;	rpc->call_rep.eno ^= rpc->call_rep.eno;
if (argc) {	rpc->call_argc ^= rpc->call_argc;
	if (TASK_VAL(task)) {
/* without reply */	/* without reply */
ait_freeVars(&c->cli_vars);	ait_freeVars(&c->cli_vars);
rpc->call_argc ^= rpc->call_argc;	} else if (rpc->call_io & RPC_REQ) {
} else {
/* reply */	/* reply */
rpc->call_argc = htons(array_Size(RPC_RETVARS(c)));	rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c));
}	}
}	}
}	}

array_Destroy(&arr);	array_Destroy(&arr);
return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 276 rxPacket(sched_task_t *task)	Line 313 rxPacket(sched_task_t *task)
{	{
rpc_cli_t *c = TASK_ARG(task);	rpc_cli_t *c = TASK_ARG(task);
rpc_srv_t *s = c->cli_parent;	rpc_srv_t *s = c->cli_parent;
int len, rlen, noreply, estlen;	int len, noreply = 0, rlen;
#if 0	#if 0
u_short crc;	u_short crc;
#endif	#endif
u_char *buf = AIT_GET_BUF(&c->cli_buf);	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagRPCCall rpc = (struct tagRPCCall) buf;	struct tagRPCCall b, rpc = (struct tagRPCCall) buf;
	#ifdef TCP_SESSION_TIMEOUT
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };

memset(buf, 0, sizeof(struct tagRPCCall));	schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL);
rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), 0);	schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
if (rlen < sizeof(struct tagRPCCall)) {	TASK_ARG(task), ts, TASK_ARG(task), 0);
	#endif

	/* prepare rx */
	len = recv(TASK_FD(task), &b, sizeof b, MSG_PEEK);
	if (len < 1) {
/* close connection */	/* close connection */
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
TASK_ARG(task), 0, NULL, 0);	TASK_ARG(task), 0, NULL, 0);
return NULL;	taskExit(task, NULL);
} else {	} else if (len == sizeof b)
estlen = ntohl(rpc->call_len);	rlen = ntohl(b.call_len);
if (estlen > AIT_LEN(&c->cli_buf))	else
AIT_RE_BUF(&c->cli_buf, estlen);	goto end;
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf);
buf = AIT_GET_BUF(&c->cli_buf) + sizeof(struct tagRPCCall);	rlen = recv(TASK_FD(task), buf, rlen, 0);
len = estlen - sizeof(struct tagRPCCall);	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");

if (len) {	rpc->call_argc ^= rpc->call_argc;
/* get next part of packet */	RPC_SET_RETURN(rpc, -1);
memset(buf, 0, len);	RPC_SET_ERRNO(rpc, rpc_Errno);
rlen = recv(TASK_FD(task), buf, len, 0);	goto err;
if (rlen == -1) {	} else
/* close connection */	len = ntohl(rpc->call_len);
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	if (rlen < len \|\| len > AIT_LEN(&c->cli_buf)) {
TASK_ARG(task), 0, NULL, 0);	rpc_SetErr(ERPCMISMATCH, "Short RPC packet");
return NULL;
}	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	#if 0
/* check integrity of packet */	/* check integrity of packet */
crc = ntohs(rpc->call_crc);	crc = ntohs(rpc->call_crc);
rpc->call_crc ^= rpc->call_crc;	rpc->call_crc ^= rpc->call_crc;
if (crc != crcFletcher16((u_short*) rpc, len / 2)) {	if (crc != crcFletcher16((u_short*) rpc, len / 2)) {
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet");	rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet");
return NULL;
	rpc->call_argc ^= rpc->call_argc;
	RPC_SET_RETURN(rpc, -1);
	RPC_SET_ERRNO(rpc, rpc_Errno);
	goto err;
}	}
#endif	#endif

noreply = RPC_CHK_NOREPLY(rpc);

/* check RPC packet session info */	/* check RPC packet session info */
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) {	if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) {
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");	rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
} else {	goto err;
/* execute RPC call */
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len);
}	}

	noreply = RPC_CHK_NOREPLY(rpc);

	/* execute RPC call */
	schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len);
	err:
/* send RPC reply */	/* send RPC reply */
if (!noreply)	if (!noreply && (rpc->call_io & RPC_REQ))
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET],	schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET],
TASK_ARG(task), TASK_FD(task), rpc, len);	TASK_ARG(task), TASK_FD(task), rpc, len);
	end:
/* lets get next packet */	/* lets get next packet */
schedReadSelf(task);	schedReadSelf(task);
return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 350 acceptClients(sched_task_t *task)	Line 414 acceptClients(sched_task_t *task)
{	{
rpc_srv_t *srv = TASK_ARG(task);	rpc_srv_t *srv = TASK_ARG(task);
rpc_cli_t *c = NULL;	rpc_cli_t *c = NULL;
socklen_t salen = sizeof(sockaddr_t);	socklen_t salen = E_SOCKADDR_MAX;
	int sock;
	#ifdef TCP_SESSION_TIMEOUT
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
	#endif

c = _allocClient(srv, NULL);	c = _allocClient(srv, NULL);
if (!c)	if (!c) {
	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;	goto end;
	}

/* accept client */	/* accept client */
c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen);	c->cli_sock = accept(TASK_FD(task), &c->cli_sa.sa, &salen);
Line 363 acceptClients(sched_task_t *task)	Line 437 acceptClients(sched_task_t *task)
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
array_Del(srv->srv_clients, c->cli_id, 42);	array_Del(srv->srv_clients, c->cli_id, 42);
goto end;	goto end;
} else	} else {
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) \| O_NONBLOCK);	fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) \| O_NONBLOCK);
	fcntl(c->cli_sock, F_SETFD, FD_CLOEXEC);
	}

	#ifdef TCP_SESSION_TIMEOUT
	/* 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);
	#endif
schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c,	schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c,
c->cli_sock, NULL, 0);	c->cli_sock, NULL, 0);
end:	end:
schedReadSelf(task);	schedReadSelf(task);
return NULL;	taskExit(task, NULL);
}	}


Line 393 txUDPPacket(sched_task_t *task)	Line 475 txUDPPacket(sched_task_t *task)
f = rpc_srv_getCall(s, ntohs(rpc->call_tag));	f = rpc_srv_getCall(s, ntohs(rpc->call_tag));
if (!f) {	if (!f) {
rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");	rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	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 {	} else {
rpc->call_argc = htons(array_Size(RPC_RETVARS(c)));	rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c));
/* Go Encapsulate variables */	/* Go Encapsulate variables */
ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen,	ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen,
RPC_RETVARS(c));	RPC_RETVARS(c));
/* Free return values */
ait_freeVars(&c->cli_vars);
if (ret == -1) {	if (ret == -1) {
rpc_SetErr(EBADRPC, "Prepare RPC packet failed");	rpc_SetErr(EBADRPC, "Prepare RPC packet failed");

rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	RPC_SET_ERRNO(rpc, rpc_Errno);
} else	} else
wlen += ret;	wlen += ret;
}	}
}	}

	/* Free return values */
	ait_freeVars(&c->cli_vars);

rpc->call_len = htonl(wlen);	rpc->call_len = htonl(wlen);
	rpc->call_io = RPC_ACK;

/* calculate CRC */	/* calculate CRC */
rpc->call_crc ^= rpc->call_crc;	rpc->call_crc ^= rpc->call_crc;
Line 421 txUDPPacket(sched_task_t *task)	Line 513 txUDPPacket(sched_task_t *task)

/* send reply */	/* send reply */
ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL,	ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL,
&c->cli_sa.sa, c->cli_sa.sa.sa_len);	&c->cli_sa.sa, e_addrlen(&c->cli_sa));
if (ret == -1 \|\| ret != wlen) {	if (ret == -1) {
/* close connection */	/* close connection */
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
TASK_ARG(task), 0, NULL, 0);	TASK_ARG(task), 0, NULL, 0);
}	}

return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 436 rxUDPPacket(sched_task_t *task)	Line 528 rxUDPPacket(sched_task_t *task)
{	{
rpc_srv_t *srv = TASK_ARG(task);	rpc_srv_t *srv = TASK_ARG(task);
rpc_cli_t *c = NULL;	rpc_cli_t *c = NULL;
int len, rlen, noreply;	int len, noreply = 0, rlen;
u_short crc, off = 0;	u_short crc;
u_char buf[USHRT_MAX + 1];	struct tagRPCCall *rpc;
struct tagRPCCall rpc = (struct tagRPCCall) buf;
sockaddr_t sa;	sockaddr_t sa;
socklen_t salen;	socklen_t salen = E_SOCKADDR_MAX;
struct timespec ts = { DEF_RPC_TIMEOUT, 0 };	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
	ait_val_t b = AIT_VAL_INIT;

/* receive connect packet */	/* receive connect packet */
salen = sa.ss.ss_len = sizeof(sockaddr_t);	AIT_SET_BUF(&b, NULL, srv->srv_netbuf);
rlen = recvfrom(TASK_FD(task), buf, sizeof buf, 0, &sa.sa, &salen);	#ifndef __linux__
if (rlen < 1)	sa.ss.ss_len = salen;
	#endif
	rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen);
	rpc = (struct tagRPCCall*) AIT_GET_BUF(&b);
	if (!rpc \|\| rlen < sizeof(struct tagRPCCall))
goto end;	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*) AIT_GET_BUF(&b), len / 2))
	goto end;

	/* check RPC packet session info */
	if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session))
	goto end;

c = _allocClient(srv, &sa);	c = _allocClient(srv, &sa);
if (!c)	if (!c) {
	EVERBOSE(1, "RPC client quota exceeded!");
	usleep(2000); /* blocked client delay */
goto end;	goto end;
else {	} 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);	c->cli_sock = TASK_FD(task);
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa);	memcpy(&c->cli_sa, &sa, sizeof c->cli_sa);
memcpy(AIT_GET_BUF(&c->cli_buf), buf, AIT_LEN(&c->cli_buf));
/* armed timer for close stateless connection */	/* armed timer for close stateless connection */
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL);	schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL);
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT],	schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT],
c, ts, c, 0);	c, ts, c, 0);
}	}

do {	noreply = RPC_CHK_NOREPLY(rpc);
/* check RPC packet */
if (rlen < sizeof(struct tagRPCCall)) {
rpc_SetErr(ERPCMISMATCH, "Short RPC packet");
break;
} else
rpc = (struct tagRPCCall*) (AIT_GET_BUF(&c->cli_buf) + off);

len = ntohl(rpc->call_len);	/* execute RPC call */
rlen -= len;	schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len);

/* check RPC packet lengths */	/* send RPC reply */
if (rlen < 0 \|\| len < sizeof(struct tagRPCCall)) {	if (!noreply && (rpc->call_io & RPC_REQ))
rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length");	schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET],
/* skip entire packet */	c, TASK_FD(task), rpc, len);
break;	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;
}	}
	}

/* check integrity of packet */	/* Free return values */
crc = ntohs(rpc->call_crc);	ait_freeVars(&c->cli_vars);
rpc->call_crc ^= rpc->call_crc;
if (crc != crcFletcher16((u_short*) rpc, len / 2)) {
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet");

off += len;	rpc->call_len = htonl(wlen);
/* try next packet remaining into buffer */	rpc->call_io = RPC_ACK;
continue;
	/* 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, e_addrlen(&c->cli_sa));
	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 = E_SOCKADDR_MAX;
	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);
	#ifndef __linux__
	sa.ss.ss_len = salen;
	#endif
	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 (!h \|\| rlen < ntohs(h->ip_len) \|\| h->ip_p != IPPROTO_ERPC)
	goto end;
	else {
	rlen -= sizeof(struct ip);
	rpc = (struct tagRPCCall*) (h + 1);
}	}
	} else {
	#ifdef IPV6_REMOVE_HEADER
	struct ip6_hdr *h;
	h = (struct ip6_hdr*) AIT_GET_BUF(&b);
	if (!h \|\| rlen < ntohs(h->ip6_plen) \|\| h->ip6_nxt != IPPROTO_ERPC)
	goto end;
	else {
	rlen -= sizeof(struct ip6_hdr);
	rpc = (struct tagRPCCall*) (h + 1);
	}
	#else
	rpc = (struct tagRPCCall*) AIT_GET_BUF(&b);
	#endif
	}
	if (!rpc \|\| rlen < sizeof(struct tagRPCCall))
	goto end;
	else
	len = ntohl(rpc->call_len);
	if (rlen < len \|\| len > srv->srv_netbuf)
	goto end;

noreply = RPC_CHK_NOREPLY(rpc);	/* skip loop packet */
	if (rpc->call_io & RPC_ACK)
	goto end;

/* check RPC packet session info */	/* check integrity of packet */
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) {	crc = ntohs(rpc->call_crc);
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");	rpc->call_crc ^= rpc->call_crc;
	if (crc != crcFletcher16((u_short*) AIT_GET_BUF(&b), 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 && (rpc->call_io & RPC_REQ))
	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)
	{
	#ifndef __linux__
	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->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);	RPC_SET_RETURN(rpc, -1);
rpc->call_rep.eno = RPC_ERROR(errno);	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 {	} else {
/* execute RPC call */	rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c));
schedEvent(TASK_ROOT(task), execCall, c,	/* Go Encapsulate variables */
(int) noreply, rpc, len);	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;
}	}
	}

/* send RPC reply */	/* Free return values */
if (!noreply)	ait_freeVars(&RPC_RETVARS(c));
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET],
c, TASK_FD(task), rpc, len);

off += len;	rpc->call_len = htonl(wlen);
} while (rlen > 0);	rpc->call_io = RPC_ACK;

	/* calculate CRC */
	rpc->call_crc ^= rpc->call_crc;
	rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2));

	/* send reply */
	AIT_SET_BUF(&b, NULL, wlen + ETHER_HDR_LEN);
	eh = (struct ether_header*) AIT_GET_BUF(&b);
	memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN);
	eh->ether_type = htons(RPC_DEFPORT);
	memcpy(eh + 1, buf, wlen);

	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);
	}
	#else
	rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!");
	#endif

	taskExit(task, NULL);
	}

	static void *
	rxBPFPacket(sched_task_t *task)
	{
	#ifndef __linux__
	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 && (rpc->call_io & RPC_REQ))
	schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET],
	c, TASK_FD(task), rpc, len);
end:	end:
	AIT_FREE_VAL(&b);
schedReadSelf(task);	schedReadSelf(task);
return NULL;	#else
	rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!");
	#endif

	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;
	}
	}

	/* Free return values */
	ait_freeVars(&RPC_RETVARS(c));

	rpc->call_len = htonl(wlen);
	rpc->call_io = RPC_ACK;

	/* send reply */
	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;
	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 (!rpc \|\| 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 && (rpc->call_io & RPC_REQ))
	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	void
Line 548 closeBLOBClient(sched_task_t *task)	Line 1089 closeBLOBClient(sched_task_t *task)
/* close client socket */	/* close client socket */
shutdown(sock, SHUT_RDWR);	shutdown(sock, SHUT_RDWR);
close(sock);	close(sock);
return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 565 txBLOB(sched_task_t *task)	Line 1106 txBLOB(sched_task_t *task)
schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);	schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);
}	}

return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
Line 582 rxBLOB(sched_task_t *task)	Line 1123 rxBLOB(sched_task_t *task)
if (rlen < 1) {	if (rlen < 1) {
/* close blob connection */	/* close blob connection */
schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);	schedEvent(TASK_ROOT(task), closeBLOBClient, c, 42, NULL, 0);
return NULL;	taskExit(task, NULL);
}	}

/* check BLOB packet */	/* check BLOB packet */
Line 590 rxBLOB(sched_task_t *task)	Line 1131 rxBLOB(sched_task_t *task)
rpc_SetErr(ERPCMISMATCH, "Short BLOB packet");	rpc_SetErr(ERPCMISMATCH, "Short BLOB packet");

schedReadSelf(task);	schedReadSelf(task);
return NULL;	taskExit(task, NULL);
}	}

/* check RPC packet session info */	/* check RPC packet session info */
Line 606 rxBLOB(sched_task_t *task)	Line 1147 rxBLOB(sched_task_t *task)
if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) {	if (!(b = rpc_srv_getBLOB(s, ntohl(blob.hdr_var)))) {
rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var));	rpc_SetErr(EINVAL, "Var=%x not found", ntohl(blob.hdr_var));
blob.hdr_cmd = no;	blob.hdr_cmd = no;
blob.hdr_ret = RPC_ERROR(-1);	RPC_SET_BLOB_RET(&blob, -1);
break;	break;
} else	} else
blob.hdr_len = htonl(b->blob_len);	blob.hdr_len = htonl(b->blob_len);
Line 617 rxBLOB(sched_task_t *task)	Line 1158 rxBLOB(sched_task_t *task)
rpc_srv_blobUnmap(b);	rpc_srv_blobUnmap(b);
} else {	} else {
blob.hdr_cmd = error;	blob.hdr_cmd = error;
blob.hdr_ret = RPC_ERROR(-1);	RPC_SET_BLOB_RET(&blob, -1);
}	}
break;	break;
case set:	case set:
Line 631 rxBLOB(sched_task_t *task)	Line 1172 rxBLOB(sched_task_t *task)
rpc_srv_blobUnmap(b);	rpc_srv_blobUnmap(b);
} else {	} else {
blob.hdr_cmd = error;	blob.hdr_cmd = error;
blob.hdr_ret = RPC_ERROR(-1);	RPC_SET_BLOB_RET(&blob, -1);
}	}
break;	break;
case unset:	case unset:
if (rpc_srv_unregisterBLOB(s, ntohl(blob.hdr_var)) == -1) {	if (rpc_srv_unregisterBLOB(s, ntohl(blob.hdr_var)) == -1) {
blob.hdr_cmd = error;	blob.hdr_cmd = error;
blob.hdr_ret = RPC_ERROR(-1);	RPC_SET_BLOB_RET(&blob, -1);
}	}
break;	break;
default:	default:
rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd);	rpc_SetErr(EPROCUNAVAIL, "Unsupported BLOB command %d", blob.hdr_cmd);
blob.hdr_cmd = error;	blob.hdr_cmd = error;
blob.hdr_ret = RPC_ERROR(-1);	RPC_SET_BLOB_RET(&blob, -1);
}	}

end:	end:
memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob);	memcpy(AIT_ADDR(&c->cli_buf), &blob, sizeof blob);
schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0);	schedWrite(TASK_ROOT(task), txBLOB, TASK_ARG(task), TASK_FD(task), NULL, 0);
schedReadSelf(task);	schedReadSelf(task);
return NULL;	taskExit(task, NULL);
}	}

static void *	static void *
flushBLOB(sched_task_t *task)	flushBLOB(sched_task_t *task)
{	{
rpc_srv_t *srv = TASK_ARG(task);	#ifdef atomic_load_acq_ptr
	uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg);
	#else
	uintptr_t sigArg = ((volatile uintptr_t) &_glSigArg);
	#endif
	rpc_srv_t srv = sigArg ? (void) sigArg : TASK_ARG(task);
rpc_blob_t b, tmp;	rpc_blob_t b, tmp;

TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) {	TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp) {
Line 666 flushBLOB(sched_task_t *task)	Line 1212 flushBLOB(sched_task_t *task)
e_free(b);	e_free(b);
}	}

schedSignalSelf(task);	if (sigArg) {
return NULL;	/* 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);
	return NULL;
	} else {
	schedSignalSelf(task);
	taskExit(task, NULL);
	}
}	}

static void *	static void *
Line 676 acceptBLOBClients(sched_task_t *task)	Line 1234 acceptBLOBClients(sched_task_t *task)
rpc_srv_t *srv = TASK_ARG(task);	rpc_srv_t *srv = TASK_ARG(task);
rpc_cli_t *c = NULL;	rpc_cli_t *c = NULL;
register int i;	register int i;
socklen_t salen = sizeof(sockaddr_t);	socklen_t salen = E_SOCKADDR_MAX;
	int sock;
#ifdef TCP_NOPUSH	#ifdef TCP_NOPUSH
int n = 1;	int n = 1;
#endif	#endif
Line 684 acceptBLOBClients(sched_task_t *task)	Line 1243 acceptBLOBClients(sched_task_t *task)
/* check free slots for connect */	/* check free slots for connect */
for (i = 0; i < array_Size(srv->srv_blob.clients) &&	for (i = 0; i < array_Size(srv->srv_blob.clients) &&
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++);	(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++);
if (c) /* no more free slots! */	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);
	}
goto end;	goto end;
	}

c = e_malloc(sizeof(rpc_cli_t));	c = e_malloc(sizeof(rpc_cli_t));
if (!c) {	if (!c) {
LOGERR;	LOGERR;
srv->srv_kill = srv->srv_blob.kill = 1;	srv->srv_kill = srv->srv_blob.kill = 1;
return NULL;	taskExit(task, NULL);
} else {	} else {
memset(c, 0, sizeof(rpc_cli_t));	memset(c, 0, sizeof(rpc_cli_t));
array_Set(srv->srv_blob.clients, i, c);	array_Set(srv->srv_blob.clients, i, c);
Line 713 acceptBLOBClients(sched_task_t *task)	Line 1279 acceptBLOBClients(sched_task_t *task)
setsockopt(c->cli_sock, IPPROTO_TCP, TCP_NOPUSH, &n, sizeof n);	setsockopt(c->cli_sock, IPPROTO_TCP, TCP_NOPUSH, &n, sizeof n);
#endif	#endif
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) \| O_NONBLOCK);	fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) \| O_NONBLOCK);
	fcntl(c->cli_sock, F_SETFD, FD_CLOEXEC);
}	}

schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0);	schedRead(TASK_ROOT(task), rxBLOB, c, c->cli_sock, NULL, 0);
end:	end:
schedReadSelf(task);	schedReadSelf(task);
return NULL;	taskExit(task, NULL);
}	}

/* ------------------------------------------------------ */	/* ------------------------------------------------------ */
Line 735 int	Line 1302 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;
	socklen_t salen;

if (!srv \|\| srv->srv_kill) {	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");
Line 753 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 1321 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s

srv->srv_blob.server.cli_parent = srv;	srv->srv_blob.server.cli_parent = srv;

memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(sockaddr_t));	memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof srv->srv_blob.server.cli_sa);
switch (srv->srv_blob.server.cli_sa.sa.sa_family) {	switch (srv->srv_blob.server.cli_sa.sa.sa_family) {
case AF_INET:	case AF_INET:
srv->srv_blob.server.cli_sa.sin.sin_port =	srv->srv_blob.server.cli_sa.sin.sin_port =
htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1);	htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin.sin_port) + 1);
	salen = sizeof srv->srv_blob.server.cli_sa.sin;
break;	break;
case AF_INET6:	case AF_INET6:
srv->srv_blob.server.cli_sa.sin6.sin6_port =	srv->srv_blob.server.cli_sa.sin6.sin6_port =
htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1);	htons(Port ? Port : ntohs(srv->srv_blob.server.cli_sa.sin6.sin6_port) + 1);
	salen = sizeof srv->srv_blob.server.cli_sa.sin6;
break;	break;
case AF_LOCAL:	case AF_LOCAL:
strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob",	strlcat(srv->srv_blob.server.cli_sa.sun.sun_path, ".blob",
sizeof srv->srv_blob.server.cli_sa.sun.sun_path);	sizeof srv->srv_blob.server.cli_sa.sun.sun_path);
	salen = sizeof srv->srv_blob.server.cli_sa.sun;
break;	break;
default:	default:
AIT_FREE_VAL(&srv->srv_blob.dir);	AIT_FREE_VAL(&srv->srv_blob.dir);
Line 798 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 1369 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
AIT_FREE_VAL(&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, salen) == -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);
AIT_FREE_VAL(&srv->srv_blob.dir);	AIT_FREE_VAL(&srv->srv_blob.dir);
Line 845 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)	Line 1415 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)

srv->srv_blob.kill = 1;	srv->srv_blob.kill = 1;

	if (srv->srv_blob.server.cli_sa.sa.sa_family == AF_LOCAL)
	unlink(srv->srv_blob.server.cli_sa.sun.sun_path);

schedEnd(&srv->srv_blob.root);	schedEnd(&srv->srv_blob.root);
}	}

Line 872 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 1445 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
return -1;	return -1;
}	}

schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0);	if (!schedSignal(srv->srv_blob.root, flushBLOB, srv, SIGFBLOB, NULL, 0)) {
	/* disabled kqueue support in libaitsched */
	struct sigaction sa;

	#ifdef atomic_store_rel_ptr
	atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv);
	#else
	((volatile uintptr_t) &_glSigArg) = (uintptr_t) srv;
	#endif

	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);
	}

if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv,	if (!schedRead(srv->srv_blob.root, acceptBLOBClients, srv,
srv->srv_blob.server.cli_sock, NULL, 0)) {	srv->srv_blob.server.cli_sock, NULL, 0)) {
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());	rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
Line 930 rpc_srv_initServer(u_char InstID, int concurentClients	Line 1519 rpc_srv_initServer(u_char InstID, int concurentClients
int n = 1;	int n = 1;
rpc_srv_t *srv = NULL;	rpc_srv_t *srv = NULL;
sockaddr_t sa = E_SOCKADDR_INIT;	sockaddr_t sa = E_SOCKADDR_INIT;
	socklen_t salen;

if (!concurentClients \|\| (proto < 0 \|\| proto > SOCK_DGRAM)) {	if (!concurentClients \|\| (proto < 0 \|\| proto > SOCK_RAW)) {
rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server");	rpc_SetErr(EINVAL, "Invalid parameters can`t init RPC server");
return NULL;	return NULL;
}	}
if (!e_gethostbyname(csHost, Port, &sa))	if (!Port && proto < SOCK_RAW)
return NULL;
if (!Port)
Port = RPC_DEFPORT;	Port = RPC_DEFPORT;
	if (!(salen = e_gethostbyname(csHost, Port, &sa)))
	return NULL;
if (!proto)	if (!proto)
proto = SOCK_STREAM;	proto = SOCK_STREAM;
if (netBuf < RPC_MIN_BUFSIZ)	if (netBuf < RPC_MIN_BUFSIZ)
Line 972 rpc_srv_initServer(u_char InstID, int concurentClients	Line 1562 rpc_srv_initServer(u_char InstID, int concurentClients
/* init functions */	/* init functions */
pthread_mutex_init(&srv->srv_funcs.mtx, NULL);	pthread_mutex_init(&srv->srv_funcs.mtx, NULL);
SLIST_INIT(&srv->srv_funcs);	SLIST_INIT(&srv->srv_funcs);
AVL_INIT(&srv->srv_funcs);	RB_INIT(&srv->srv_funcs);

/* init scheduler */	/* init scheduler */
srv->srv_root = schedBegin();	srv->srv_root = schedBegin();
Line 994 rpc_srv_initServer(u_char InstID, int concurentClients	Line 1584 rpc_srv_initServer(u_char InstID, int concurentClients
}	}

/* create server socket */	/* create server socket */
srv->srv_server.cli_sock = socket(srv->srv_server.cli_sa.sa.sa_family, srv->srv_proto, 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;
array_Destroy(&srv->srv_clients);	array_Destroy(&srv->srv_clients);
Line 1007 rpc_srv_initServer(u_char InstID, int concurentClients	Line 1598 rpc_srv_initServer(u_char InstID, int concurentClients
LOGERR;	LOGERR;
goto err;	goto err;
}	}
	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;
Line 1016 rpc_srv_initServer(u_char InstID, int concurentClients	Line 1609 rpc_srv_initServer(u_char InstID, int concurentClients
LOGERR;	LOGERR;
goto err;	goto err;
}	}
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, salen) == -1) {
srv->srv_server.cli_sa.sa.sa_len) == -1) {
LOGERR;	LOGERR;
goto err;	goto err;
} else	} else
Line 1050 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)	Line 1642 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)

/* if send kill to blob server */	/* if send kill to blob server */
rpc_srv_endBLOBServer(*psrv);	rpc_srv_endBLOBServer(*psrv);
	/* wait for BLOB server done */
	while ((&(psrv)->srv_blob.root))
	usleep(1000);

(*psrv)->srv_kill = 1;	(*psrv)->srv_kill = 1;
sleep(RPC_SCHED_POLLING);	sleep(RPC_SCHED_POLLING);

	if ((*psrv)->srv_server.cli_sa.sa.sa_family == AF_LOCAL)
	unlink((*psrv)->srv_server.cli_sa.sun.sun_path);

schedEnd(&(*psrv)->srv_root);	schedEnd(&(*psrv)->srv_root);

pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx);	pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx);
Line 1100 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1698 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
for (i = 0; i < array_Size(srv->srv_clients); i++) {	for (i = 0; i < array_Size(srv->srv_clients); i++) {
c = array(srv->srv_clients, i, rpc_cli_t*);	c = array(srv->srv_clients, i, rpc_cli_t*);
if (c) {	if (c) {
shutdown(c->cli_sock, SHUT_RDWR);	if (srv->srv_proto == SOCK_STREAM) {
close(c->cli_sock);	shutdown(c->cli_sock, SHUT_RDWR);
	close(c->cli_sock);
	}

schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL);	schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL);
ait_freeVars(&RPC_RETVARS(c));	ait_freeVars(&RPC_RETVARS(c));
Line 1111 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1711 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
}	}
array_Destroy(&srv->srv_clients);	array_Destroy(&srv->srv_clients);

close(srv->srv_server.cli_sock);	if (srv->srv_proto != SOCK_EXT)
	close(srv->srv_server.cli_sock);

/* detach exported calls */	/* detach exported calls */
RPC_FUNCS_LOCK(&srv->srv_funcs);	RPC_FUNCS_LOCK(&srv->srv_funcs);
Line 1121 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1722 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
AIT_FREE_VAL(&f->func_name);	AIT_FREE_VAL(&f->func_name);
e_free(f);	e_free(f);
}	}
srv->srv_funcs.avlh_root = NULL;	srv->srv_funcs.rbh_root = NULL;
RPC_FUNCS_UNLOCK(&srv->srv_funcs);	RPC_FUNCS_UNLOCK(&srv->srv_funcs);

return 0;	return 0;
Line 1150 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta	Line 1751 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta

func = AIT_GET_LIKE(&funcname, rpc_callback_t);	func = AIT_GET_LIKE(&funcname, rpc_callback_t);
return func(cli, rpc, args);	return func(cli, rpc, args);
	}


	/*
	* 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)
	{
	#ifndef __linux__
	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;

	#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_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);
	RB_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(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);
	#else
	rpc_SetErr(ENOTSUP, "Feature isn't supported on Linux!");
	#endif

	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);
	RB_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;
	}

	/*
	* rpc_srv_Return() - Prepare IPC return answer to RPC client
	*
	* @c = RPC client
	* return: number of arguments in response
	*/
	int
	rpc_srv_Return(rpc_cli_t *c)
	{
	rpc_srv_t *s = c->cli_parent;
	u_char *buf = AIT_GET_BUF(&c->cli_buf);
	struct tagRPCCall rpc = (struct tagRPCCall) buf;

	if (!RPC_CHK_NOREPLY(rpc)) {
	rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c));
	schedWrite(s->srv_root, cbProto[s->srv_proto][CB_TXPACKET], c, c->cli_sock, rpc, 0);
	} else
	rpc->call_argc ^= rpc->call_argc;

	return rpc->call_argc;
}	}

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.17.6.4
changed lines
	Added in v.1.32.2.1