libaitrpc/src/srv.c - diff

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Diff for /libaitrpc/src/srv.c between versions 1.12.2.1 and 1.23.6.1

version 1.12.2.1, 2012/11/16 08:33:06	version 1.23.6.1, 2014/11/17 23:28:55
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	Copyright 2004 - 2014
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.	Line 46 SUCH DAMAGE.
#include "global.h"	#include "global.h"


	/* SOCK_STREAM */
static void acceptClients(sched_task_t );	static void acceptClients(sched_task_t );
static void closeClient(sched_task_t );	static void closeClient(sched_task_t );
static sched_task_func_t cbProto[SOCK_RAW][2] = {	static void rxPacket(sched_task_t );
{ acceptClients, closeClient },	static void txPacket(sched_task_t );
{ acceptClients, closeClient },
{ NULL, NULL }	/* SOCK_DGRAM */
	static void freeClient(sched_task_t );
	static void rxUDPPacket(sched_task_t );
	static void txUDPPacket(sched_task_t );

	/* SOCK_RAW */

	static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {
	{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */
	{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */
	{ rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */
	{ NULL, NULL, NULL, NULL } /* SOCK_RAW */
};	};

	/* Global Signal Argument when kqueue support disabled */

static void *	static volatile uintptr_t _glSigArg = 0;
closeClient(sched_task_t *task)

	void
	rpc_freeCli(rpc_cli_t * __restrict c)
{	{
rpc_cli_t *c = TASK_ARG(task);
rpc_srv_t *s = c->cli_parent;	rpc_srv_t *s = c->cli_parent;

schedCancelby(TASK_ROOT(task), taskMAX, CRITERIA_ARG, TASK_ARG(task), NULL);	schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL);

/* close client socket */
if (TASK_VAL(task))
shutdown(c->cli_sock, SHUT_RDWR);
close(c->cli_sock);

/* free buffer */	/* free buffer */
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);

io_arrayDel(s->srv_clients, c->cli_id, 0);	array_Del(s->srv_clients, c->cli_id, 0);
if (c)	if (c)
io_free(c);	e_free(c);
	}


	static inline int
	_check4freeslot(rpc_srv_t * __restrict srv, sockaddr_t * __restrict sa)
	{
	rpc_cli_t *c = NULL;
	register int i;

	/* check free slots for connect */
	for (i = 0; i < array_Size(srv->srv_clients) &&
	(c = array(srv->srv_clients, i, rpc_cli_t*)); i++)
	/* check for duplicates */
	if (sa && !e_addrcmp(&c->cli_sa, sa, 42))
	break;
	if (i >= array_Size(srv->srv_clients))
	return -1; /* no more free slots! */

	return i;
	}

	static rpc_cli_t *
	_allocClient(rpc_srv_t * __restrict srv, sockaddr_t * __restrict sa)
	{
	rpc_cli_t *c = NULL;
	int n;

	n = _check4freeslot(srv, sa);
	if (n == -1)
	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);
	}

	return c;
	}


	static void *
	freeClient(sched_task_t *task)
	{
	rpc_freeCli(TASK_ARG(task));

return NULL;	return NULL;
}	}

static void *	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);
	return NULL;
	}

	static void *
txPacket(sched_task_t *task)	txPacket(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;
rpc_func_t *f = NULL;	rpc_func_t *f = NULL;
u_char buf[USHRT_MAX] = { 0 };	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagRPCCall rpc = (struct tagRPCCall) buf;	struct tagRPCCall rpc = (struct tagRPCCall) buf;
int ret, wlen = sizeof(struct tagRPCCall);	int ret, estlen, wlen = sizeof(struct tagRPCCall);
	struct pollfd pfd;
	#ifdef TCP_SESSION_TIMEOUT
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };

/* copy RPC header */	schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL);
memcpy(buf, TASK_DATA(task), wlen);	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->call_rep.ret = RPC_ERROR(-1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
} else {	} else {
rpc->call_argc = htons(io_arraySize(RPC_RETVARS(c)));	/* calc estimated length */
	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 = (struct tagRPCCall*) buf;

	rpc->call_argc = htons(array_Size(RPC_RETVARS(c)));
/* Go Encapsulate variables */	/* Go Encapsulate variables */
ret = io_vars2buffer(buf + wlen, sizeof buf - wlen, RPC_RETVARS(c));	ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen,
	RPC_RETVARS(c));
/* Free return values */	/* Free return values */
io_freeVars(&c->cli_vars);	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->call_rep.ret = RPC_ERROR(-1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
Line 113 txPacket(sched_task_t *task)	Line 210 txPacket(sched_task_t *task)
}	}
}	}

rpc->call_len = htons(wlen);	rpc->call_len = htonl(wlen);

	#if 0
/* calculate CRC */	/* calculate CRC */
rpc->call_crc ^= rpc->call_crc;	rpc->call_crc ^= rpc->call_crc;
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2));	rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2));
	#endif

/* send reply */	/* send reply */
ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);	pfd.fd = TASK_FD(task);
if (ret == -1 \|\| ret != wlen) {	pfd.events = POLLOUT;
/* close connection */	for (; wlen > 0; wlen -= ret, buf += ret) {
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 \|\|
c, 42, NULL, 0);	pfd.revents & (POLLERR \| POLLHUP \| POLLNVAL)) {
	if (ret)
	LOGERR;
	else
	rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond");
	/* close connection */
	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
	TASK_ARG(task), 0, NULL, 0);
	return NULL;
	}
	ret = send(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), MSG_NOSIGNAL);
	if (ret == -1) {
	/* close connection */
	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
	TASK_ARG(task), 0, NULL, 0);
	return NULL;
	}
}	}

return NULL;	return NULL;
Line 137 execCall(sched_task_t *task)	Line 252 execCall(sched_task_t *task)
rpc_srv_t *s = c->cli_parent;	rpc_srv_t *s = c->cli_parent;
rpc_func_t *f = NULL;	rpc_func_t *f = NULL;
array_t *arr = NULL;	array_t *arr = NULL;
u_char *buf = AIT_GET_BUF(&c->cli_buf) + TASK_VAL(task);	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 = ntohs(rpc->call_argc);

/* Go decapsulate variables ... */	/* Go decapsulate variables ... */
if (argc) {	if (argc) {
arr = io_buffer2vars(buf + sizeof(struct tagRPCCall),	arr = ait_buffer2vars(buf + sizeof(struct tagRPCCall),
AIT_LEN(&c->cli_buf) - TASK_VAL(task) - sizeof(struct tagRPCCall),	AIT_LEN(&c->cli_buf) - sizeof(struct tagRPCCall), argc, 42);
argc, 42);
if (!arr) {	if (!arr) {
rpc_SetErr(ERPCMISMATCH, "#%d - %s", io_GetErrno(), io_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->call_rep.ret = RPC_ERROR(-1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
Line 158 execCall(sched_task_t *task)	Line 273 execCall(sched_task_t *task)

if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) {	if (!(f = rpc_srv_getCall(s, ntohs(rpc->call_tag)))) {
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->call_rep.ret = RPC_ERROR(-1);
rpc->call_rep.eno = RPC_ERROR(rpc_Errno);	rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
Line 166 execCall(sched_task_t *task)	Line 282 execCall(sched_task_t *task)
argc = RPC_CHK_NOREPLY(rpc);	argc = RPC_CHK_NOREPLY(rpc);
rpc->call_rep.ret = RPC_ERROR(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->call_rep.eno = RPC_ERROR(rpc_Errno);
	}
rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
} else {	} else {
rpc->call_rep.eno ^= rpc->call_rep.eno;	rpc->call_rep.eno ^= rpc->call_rep.eno;
if (argc) {	if (argc) {
/* without reply */	/* without reply */
io_freeVars(&c->cli_vars);	ait_freeVars(&c->cli_vars);
rpc->call_argc ^= rpc->call_argc;	rpc->call_argc ^= rpc->call_argc;
} else {	} else {
/* reply */	/* reply */
rpc->call_argc = htons(io_arraySize(RPC_RETVARS(c)));	rpc->call_argc = htons(array_Size(RPC_RETVARS(c)));
}	}
}	}
}	}

io_arrayDestroy(&arr);	array_Destroy(&arr);
return NULL;	return NULL;
}	}

Line 190 rxPacket(sched_task_t *task)	Line 309 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;	int len, rlen, noreply, estlen;
u_short crc, off = TASK_DATLEN(task);	#if 0
	u_short crc;
	#endif
u_char *buf = AIT_GET_BUF(&c->cli_buf);	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagRPCCall *rpc;	struct tagRPCCall rpc = (struct tagRPCCall) buf;
	struct pollfd pfd;
	#ifdef TCP_SESSION_TIMEOUT
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };

if (!off)	schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL);
memset(buf, 0, AIT_LEN(&c->cli_buf));	schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
else	TASK_ARG(task), ts, TASK_ARG(task), 0);
memmove(buf, buf + off, AIT_LEN(&c->cli_buf) - off);	#endif
rlen = recv(TASK_FD(task), buf + off, AIT_LEN(&c->cli_buf) - off, 0);
if (rlen < 1) {	memset(buf, 0, sizeof(struct tagRPCCall));
	rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), MSG_PEEK);
	if (rlen < sizeof(struct tagRPCCall)) {
/* close connection */	/* close connection */
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
c, 42, NULL, 0);	TASK_ARG(task), 0, NULL, 0);
return NULL;	return NULL;
} else {	} else {
rlen += off; /* add reminded bytes from previous rxPacket, if exists! */	estlen = ntohl(rpc->call_len);
off = 0; /* process buffer from start offset == 0 */	if (estlen > AIT_LEN(&c->cli_buf))
	AIT_RE_BUF(&c->cli_buf, estlen);
	rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf);
	buf = AIT_GET_BUF(&c->cli_buf);
	len = estlen;
}	}

do {	/* get next part of packet */
/* check RPC packet */	memset(buf, 0, len);
if (rlen < sizeof(struct tagRPCCall)) {	pfd.fd = TASK_FD(task);
rpc_SetErr(ERPCMISMATCH, "Short RPC packet");	pfd.events = POLLIN \| POLLPRI;
	for (; len > 0; len -= rlen, buf += rlen) {
/* reminder received previous bytes ;) */	if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 \|\|
schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task),	pfd.revents & (POLLERR \| POLLHUP \| POLLNVAL)) {
TASK_FD(task), TASK_DATA(task), rlen);	if (rlen)
	LOGERR;
	else
	rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond");
	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
	TASK_ARG(task), 0, NULL, 0);
return NULL;	return NULL;
} else
rpc = (struct tagRPCCall*) (buf + off);

len = ntohs(rpc->call_len);
rlen -= len;

/* check RPC packet lengths */
if (rlen < 0 \|\| len < sizeof(struct tagRPCCall)) {
rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length");
/* skip entire packet */
break;
}	}
	rlen = recv(TASK_FD(task), buf, len, 0);
/* check integrity of packet */	if (rlen == -1) {
crc = ntohs(rpc->call_crc);	/* close connection */
rpc->call_crc ^= rpc->call_crc;	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
if (crc != crcFletcher16((u_short*) rpc, len / 2)) {	TASK_ARG(task), 0, NULL, 0);
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet");	return NULL;

off += len;
/* try next packet remaining into buffer */
continue;
}	}
	}
	len = estlen;

noreply = RPC_CHK_NOREPLY(rpc);	#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");
	return NULL;
	}
	#endif

/* check RPC packet session info */	noreply = RPC_CHK_NOREPLY(rpc);
if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) {
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");
rpc->call_argc ^= rpc->call_argc;
rpc->call_rep.ret = RPC_ERROR(-1);
rpc->call_rep.eno = RPC_ERROR(errno);
} else {
/* execute RPC call */
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), off, NULL, 0);
}

/* send RPC reply */	/* check RPC packet session info */
if (!noreply)	if (rpc_chkPktSession(&rpc->call_session, &s->srv_session)) {
schedWrite(TASK_ROOT(task), txPacket, TASK_ARG(task), TASK_FD(task), rpc, len);	rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");

off += len;	rpc->call_argc ^= rpc->call_argc;
} while (rlen > 0);	rpc->call_rep.ret = RPC_ERROR(-1);
	rpc->call_rep.eno = RPC_ERROR(errno);
	} else {
	/* execute RPC call */
	schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len);
	}

	/* 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 */	/* lets get next packet */
schedRead(TASK_ROOT(task), TASK_FUNC(task), TASK_ARG(task), TASK_FD(task), TASK_DATA(task), 0);	schedReadSelf(task);
return NULL;	return NULL;
}	}

Line 273 acceptClients(sched_task_t *task)	Line 404 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;
register int i;	socklen_t salen = sizeof(sockaddr_t);
socklen_t salen = sizeof(io_sockaddr_t);	int sock;
	#ifdef TCP_SESSION_TIMEOUT
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
	#endif

/* check free slots for connect */	c = _allocClient(srv, NULL);
for (i = 0; i < io_arraySize(srv->srv_clients) &&
(c = io_array(srv->srv_clients, i, rpc_cli_t*)); i++);
if (c) /* no more free slots! */
goto end;
c = io_malloc(sizeof(rpc_cli_t));
if (!c) {	if (!c) {
LOGERR;	EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n");
srv->srv_kill = 1;	if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) {
return NULL;	shutdown(sock, SHUT_RDWR);
} else {	close(sock);
memset(c, 0, sizeof(rpc_cli_t));	}
io_arraySet(srv->srv_clients, i, c);	goto end;
c->cli_id = i;
c->cli_parent = srv;
}	}

/* alloc empty buffer */
AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf);

/* 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);
if (c->cli_sock == -1) {	if (c->cli_sock == -1) {
LOGERR;	LOGERR;
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
io_arrayDel(srv->srv_clients, i, 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);

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

/* ------------------------------------------------------ */

static void *	static void *
closeBLOBClient(sched_task_t *task)	txUDPPacket(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;
	rpc_func_t *f = NULL;
	u_char *buf = AIT_GET_BUF(&c->cli_buf);
	struct tagRPCCall rpc = (struct tagRPCCall) buf;
	int ret, estlen, wlen = sizeof(struct tagRPCCall);
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
	struct pollfd pfd;

schedCancelby(TASK_ROOT(task), taskMAX, CRITERIA_ARG, TASK_ARG(task), NULL);	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);

/* close client socket */	if (rpc->call_argc) {
if (TASK_VAL(task))	f = rpc_srv_getCall(s, ntohs(rpc->call_tag));
shutdown(c->cli_sock, SHUT_RDWR);	if (!f) {
close(c->cli_sock);	rpc_SetErr(EPROGUNAVAIL, "Function not found at RPC server");
	rpc->call_argc ^= rpc->call_argc;
	rpc->call_rep.ret = RPC_ERROR(-1);
	rpc->call_rep.eno = RPC_ERROR(rpc_Errno);
	} else {
	/* calc estimated length */
	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 = (struct tagRPCCall*) buf;

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

	rpc->call_len = htonl(wlen);

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

	/* send reply */
	pfd.fd = TASK_FD(task);
	pfd.events = POLLOUT;
	for (; wlen > 0; wlen -= ret, buf += ret) {
	if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 \|\|
	pfd.revents & (POLLERR \| POLLHUP \| POLLNVAL)) {
	if (ret)
	LOGERR;
	else
	rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond");
	/* close connection */
	schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT],
	TASK_ARG(task), 0, NULL, 0);
	return NULL;
	}
	ret = sendto(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf), 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);
	return NULL;
	}
	}

	return NULL;
	}

	static void *
	rxUDPPacket(sched_task_t *task)
	{
	rpc_srv_t *srv = TASK_ARG(task);
	rpc_cli_t *c = NULL;
	int len, rlen, noreply, estlen;
	u_short crc;
	u_char *buf, b[sizeof(struct tagRPCCall)];
	struct tagRPCCall rpc = (struct tagRPCCall) b;
	sockaddr_t sa;
	socklen_t salen;
	struct timespec ts = { DEF_RPC_TIMEOUT, 0 };
	struct pollfd pfd;

	/* receive connect packet */
	salen = sa.ss.ss_len = sizeof(sockaddr_t);
	rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen);
	if (rlen < sizeof(struct tagRPCCall)) {
	rpc_SetErr(ERPCMISMATCH, "Short RPC packet");
	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 {
	estlen = ntohl(rpc->call_len);
	if (estlen > AIT_LEN(&c->cli_buf))
	AIT_RE_BUF(&c->cli_buf, estlen);
	rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf);
	buf = AIT_GET_BUF(&c->cli_buf);
	len = estlen;

	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);
	}

	/* get next part of packet */
	memset(buf, 0, len);
	pfd.fd = TASK_FD(task);
	pfd.events = POLLIN \| POLLPRI;
	for (; len > 0; len -= rlen, buf += rlen) {
	if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 \|\|
	pfd.revents & (POLLERR \| POLLHUP \| POLLNVAL)) {
	if (rlen)
	LOGERR;
	else
	rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond");
	schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT],
	c, 0, NULL, 0);
	return NULL;
	}
	salen = sa.ss.ss_len = sizeof(sockaddr_t);
	rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen);
	if (rlen == -1) {
	/* close connection */
	schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT],
	c, 0, NULL, 0);
	return NULL;
	}
	if (e_addrcmp(&c->cli_sa, &sa, 42))
	rlen ^= rlen; /* skip if arrive from different address */
	}
	len = estlen;

	/* 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");
	return NULL;
	}

	noreply = RPC_CHK_NOREPLY(rpc);

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

	rpc->call_argc ^= rpc->call_argc;
	rpc->call_rep.ret = RPC_ERROR(-1);
	rpc->call_rep.eno = RPC_ERROR(errno);
	} else {
	/* 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:
	schedReadSelf(task);
	return 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 */	/* free buffer */
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);

io_arrayDel(s->srv_blob.clients, c->cli_id, 0);	array_Del(s->srv_blob.clients, c->cli_id, 0);
if (c)	if (c)
io_free(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);
return NULL;	return NULL;
}	}

Line 341 txBLOB(sched_task_t *task)	Line 664 txBLOB(sched_task_t *task)
{	{
rpc_cli_t *c = TASK_ARG(task);	rpc_cli_t *c = TASK_ARG(task);
u_char *buf = AIT_GET_BUF(&c->cli_buf);	u_char *buf = AIT_GET_BUF(&c->cli_buf);
struct tagBLOBHdr blob = (struct tagBLOBHdr ) buf;
int wlen = sizeof(struct tagBLOBHdr);	int wlen = sizeof(struct tagBLOBHdr);

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

/* send reply */	/* send reply */
wlen = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);	wlen = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL);
if (wlen == -1 \|\| wlen != sizeof(struct tagBLOBHdr)) {	if (wlen == -1 \|\| wlen != sizeof(struct tagBLOBHdr)) {
Line 366 rxBLOB(sched_task_t *task)	Line 684 rxBLOB(sched_task_t *task)
rpc_blob_t *b;	rpc_blob_t *b;
struct tagBLOBHdr blob;	struct tagBLOBHdr blob;
int rlen;	int rlen;
u_short crc;

memset(&blob, 0, sizeof blob);	memset(&blob, 0, sizeof blob);
rlen = recv(TASK_FD(task), &blob, sizeof blob, 0);	rlen = recv(TASK_FD(task), &blob, sizeof blob, 0);
Line 384 rxBLOB(sched_task_t *task)	Line 701 rxBLOB(sched_task_t *task)
return NULL;	return NULL;
}	}

/* check integrity of packet */
crc = ntohs(blob.hdr_crc);
blob.hdr_crc ^= blob.hdr_crc;
if (crc != crcFletcher16((u_short*) &blob, rlen / 2)) {
rpc_SetErr(ERPCMISMATCH, "Bad CRC BLOB packet");

schedReadSelf(task);
return NULL;
}

/* check RPC packet session info */	/* check RPC packet session info */
if ((crc = rpc_chkPktSession(&blob.hdr_session, &s->srv_session))) {	if (rpc_chkPktSession(&blob.hdr_session, &s->srv_session)) {
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");	rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session");
blob.hdr_cmd = error;	blob.hdr_cmd = error;
goto end;	goto end;
Line 422 rxBLOB(sched_task_t *task)	Line 729 rxBLOB(sched_task_t *task)
}	}
break;	break;
case set:	case set:
if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len)))) {	if ((b = rpc_srv_registerBLOB(s, ntohl(blob.hdr_len),
	ntohl(blob.hdr_ret)))) {
/* set new BLOB variable for reply :) */	/* set new BLOB variable for reply :) */
blob.hdr_var = htonl(b->blob_var);	blob.hdr_var = htonl(b->blob_var);

Line 454 end:	Line 762 end:
}	}

static void *	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);
	}

	return NULL;
	}

	static void *
acceptBLOBClients(sched_task_t *task)	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(io_sockaddr_t);	socklen_t salen = sizeof(sockaddr_t);
	int sock;
#ifdef TCP_NOPUSH	#ifdef TCP_NOPUSH
int n = 1;	int n = 1;
#endif	#endif

/* check free slots for connect */	/* check free slots for connect */
for (i = 0; i < io_arraySize(srv->srv_blob.clients) &&	for (i = 0; i < array_Size(srv->srv_blob.clients) &&
(c = io_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 = io_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;	return NULL;
} else {	} else {
memset(c, 0, sizeof(rpc_cli_t));	memset(c, 0, sizeof(rpc_cli_t));
io_arraySet(srv->srv_blob.clients, i, c);	array_Set(srv->srv_blob.clients, i, c);
c->cli_id = i;	c->cli_id = i;
c->cli_parent = srv;	c->cli_parent = srv;
}	}

/* alloc empty buffer */	/* alloc empty buffer */
AIT_SET_BUF2(&c->cli_buf, 0, srv->srv_netbuf);	AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf);

/* 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);
if (c->cli_sock == -1) {	if (c->cli_sock == -1) {
LOGERR;	LOGERR;
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
io_arrayDel(srv->srv_blob.clients, i, 42);	array_Del(srv->srv_blob.clients, i, 42);
goto end;	goto end;
} else {	} else {
#ifdef TCP_NOPUSH	#ifdef TCP_NOPUSH
Line 536 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 880 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(io_sockaddr_t));	memcpy(&srv->srv_blob.server.cli_sa, &srv->srv_server.cli_sa, sizeof(sockaddr_t));
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 =
Line 587 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 931 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
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);
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 blob clients */	/* allocate pool for concurent blob clients */
srv->srv_blob.clients = io_arrayInit(io_arraySize(srv->srv_clients));	srv->srv_blob.clients = array_Init(array_Size(srv->srv_clients));
if (!srv->srv_blob.clients) {	if (!srv->srv_blob.clients) {
rpc_SetErr(io_GetErrno(), "%s", io_GetError());	rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
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);
return -1;	return -1;
Line 602 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 949 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
srv->srv_blob.root = schedBegin();	srv->srv_blob.root = schedBegin();
if (!srv->srv_blob.root) {	if (!srv->srv_blob.root) {
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());	rpc_SetErr(sched_GetErrno(), "%s", sched_GetError());
io_arrayDestroy(&srv->srv_blob.clients);	array_Destroy(&srv->srv_blob.clients);
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);
return -1;	return -1;
Line 617 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s	Line 964 rpc_srv_initBLOBServer(rpc_srv_t * __restrict srv, u_s
* @srv = RPC Server instance	* @srv = RPC Server instance
* return: none	* return: none
*/	*/
inline void	void
rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)	rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
{	{
if (!srv)	if (!srv)
return;	return;

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

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

/*	/*
Line 645 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 994 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
return -1;	return -1;
}	}

fcntl(srv->srv_blob.server.cli_sock, F_SETFL,	if (listen(srv->srv_blob.server.cli_sock, array_Size(srv->srv_blob.clients)) == -1) {
fcntl(srv->srv_blob.server.cli_sock, F_GETFL) \| O_NONBLOCK);

if (listen(srv->srv_blob.server.cli_sock, io_arraySize(srv->srv_blob.clients)) == -1) {
LOGERR;	LOGERR;
return -1;	return -1;
}	}

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

	atomic_store_rel_ptr(&_glSigArg, (uintptr_t) srv);

	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 663 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 1022 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
/* main rpc loop */	/* main rpc loop */
schedRun(srv->srv_blob.root, &srv->srv_blob.kill);	schedRun(srv->srv_blob.root, &srv->srv_blob.kill);

	/* 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 */	/* close all clients connections & server socket */
for (i = 0; i < io_arraySize(srv->srv_blob.clients); i++) {	for (i = 0; i < array_Size(srv->srv_blob.clients); i++) {
c = io_array(srv->srv_blob.clients, i, rpc_cli_t*);	c = array(srv->srv_blob.clients, i, rpc_cli_t*);
if (c) {	if (c) {
shutdown(c->cli_sock, SHUT_RDWR);	shutdown(c->cli_sock, SHUT_RDWR);
close(c->cli_sock);	close(c->cli_sock);
Line 673 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 1040 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL);	schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL);
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
}	}
io_arrayDel(srv->srv_blob.clients, i, 42);	array_Del(srv->srv_blob.clients, i, 42);
}	}
io_arrayDestroy(&srv->srv_blob.clients);	array_Destroy(&srv->srv_blob.clients);

close(srv->srv_blob.server.cli_sock);	close(srv->srv_blob.server.cli_sock);

/* 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);
io_free(b);
}

schedEnd(&srv->srv_blob.root);
AIT_FREE_VAL(&srv->srv_blob.dir);	AIT_FREE_VAL(&srv->srv_blob.dir);
return 0;	return 0;
}	}
Line 696 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 1054 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
/*	/*
* rpc_srv_initServer() - Init & create RPC Server	* rpc_srv_initServer() - Init & create RPC Server
*	*
* @regProgID = ProgramID for authentication & recognition	* @InstID = Instance for authentication & recognition
* @regProcID = ProcessID 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 (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)	* @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)
* @csHost = Host name or address for bind server, if NULL any address	* @csHost = Host name or address for bind server, if NULL any address
Line 706 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)	Line 1063 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
* 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_char regProcID, int concurentClients,	rpc_srv_initServer(u_char InstID, int concurentClients, int netBuf,
int netBuf, const char *csHost, u_short Port, int proto)	const char *csHost, u_short Port, int proto)
{	{
int n = 1;	int n = 1;
rpc_srv_t *srv = NULL;	rpc_srv_t *srv = NULL;
io_sockaddr_t sa = IO_SOCKADDR_INIT;	sockaddr_t sa = E_SOCKADDR_INIT;

if (!concurentClients \|\| !regProgID \|\| (proto < 0 \|\| proto > SOCK_DGRAM)) {	if (!concurentClients \|\| (proto < 0 \|\| proto > SOCK_DGRAM)) {
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 (!proto)	if (!e_gethostbyname(csHost, Port, &sa))
proto = SOCK_STREAM;
if (!io_gethostbyname(csHost, Port, &sa))
return NULL;	return NULL;
if (!Port)	if (!Port)
Port = RPC_DEFPORT;	Port = RPC_DEFPORT;
	if (!proto)
	proto = SOCK_STREAM;
if (netBuf < RPC_MIN_BUFSIZ)	if (netBuf < RPC_MIN_BUFSIZ)
netBuf = BUFSIZ;	netBuf = BUFSIZ;
else	else
netBuf = io_align(netBuf, 2); /* align netBuf length */	netBuf = E_ALIGN(netBuf, 2); /* align netBuf length */

#ifdef HAVE_SRANDOMDEV	#ifdef HAVE_SRANDOMDEV
srandomdev();	srandomdev();
Line 736 rpc_srv_initServer(u_int regProgID, u_char regProcID,	Line 1093 rpc_srv_initServer(u_int regProgID, u_char regProcID,
srandom((time(&tim) ^ getpid()));	srandom((time(&tim) ^ getpid()));
#endif	#endif

srv = io_malloc(sizeof(rpc_srv_t));	srv = e_malloc(sizeof(rpc_srv_t));
if (!srv) {	if (!srv) {
LOGERR;	LOGERR;
return NULL;	return NULL;
Line 746 rpc_srv_initServer(u_int regProgID, u_char regProcID,	Line 1103 rpc_srv_initServer(u_int regProgID, u_char regProcID,
srv->srv_proto = proto;	srv->srv_proto = proto;
srv->srv_netbuf = netBuf;	srv->srv_netbuf = netBuf;
srv->srv_session.sess_version = RPC_VERSION;	srv->srv_session.sess_version = RPC_VERSION;
srv->srv_session.sess_program = regProgID;	srv->srv_session.sess_instance = InstID;
srv->srv_session.sess_process = regProcID;

srv->srv_server.cli_parent = srv;	srv->srv_server.cli_parent = srv;
memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa);	memcpy(&srv->srv_server.cli_sa, &sa, sizeof srv->srv_server.cli_sa);
Line 762 rpc_srv_initServer(u_int regProgID, u_char regProcID,	Line 1118 rpc_srv_initServer(u_int regProgID, u_char regProcID,
if (!srv->srv_root) {	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);	pthread_mutex_destroy(&srv->srv_funcs.mtx);
io_free(srv);	e_free(srv);
return NULL;	return NULL;
}	}

/* init pool for clients */	/* init pool for clients */
srv->srv_clients = io_arrayInit(concurentClients);	srv->srv_clients = array_Init(concurentClients);
if (!srv->srv_clients) {	if (!srv->srv_clients) {
rpc_SetErr(io_GetErrno(), "%s", io_GetError());	rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError());
schedEnd(&srv->srv_root);	schedEnd(&srv->srv_root);
pthread_mutex_destroy(&srv->srv_funcs.mtx);	pthread_mutex_destroy(&srv->srv_funcs.mtx);
io_free(srv);	e_free(srv);
return NULL;	return NULL;
}	}

Line 780 rpc_srv_initServer(u_int regProgID, u_char regProcID,	Line 1136 rpc_srv_initServer(u_int regProgID, u_char regProcID,
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, 0);
if (srv->srv_server.cli_sock == -1) {	if (srv->srv_server.cli_sock == -1) {
LOGERR;	LOGERR;
io_arrayDestroy(&srv->srv_clients);	array_Destroy(&srv->srv_clients);
schedEnd(&srv->srv_root);	schedEnd(&srv->srv_root);
pthread_mutex_destroy(&srv->srv_funcs.mtx);	pthread_mutex_destroy(&srv->srv_funcs.mtx);
io_free(srv);	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) {
Line 803 rpc_srv_initServer(u_int regProgID, u_char regProcID,	Line 1159 rpc_srv_initServer(u_int regProgID, u_char regProcID,
srv->srv_server.cli_sa.sa.sa_len) == -1) {	srv->srv_server.cli_sa.sa.sa_len) == -1) {
LOGERR;	LOGERR;
goto err;	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);	rpc_register_srvPing(srv);

return srv;	return srv;
err: /* error condition */	err: /* error condition */
close(srv->srv_server.cli_sock);	close(srv->srv_server.cli_sock);
io_arrayDestroy(&srv->srv_clients);	array_Destroy(&srv->srv_clients);
schedEnd(&srv->srv_root);	schedEnd(&srv->srv_root);
pthread_mutex_destroy(&srv->srv_funcs.mtx);	pthread_mutex_destroy(&srv->srv_funcs.mtx);
io_free(srv);	e_free(srv);
return NULL;	return NULL;
}	}

Line 823 err: /* error condition */	Line 1181 err: /* error condition */
* @psrv = RPC Server instance	* @psrv = RPC Server instance
* return: none	* return: none
*/	*/
inline void	void
rpc_srv_endServer(rpc_srv_t ** __restrict psrv)	rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
{	{
if (!psrv \|\| !*psrv)	if (!psrv \|\| !*psrv)
return;	return;

/* if send kill to blob server */	/* if send kill to blob server */
if (!(*psrv)->srv_blob.kill)	rpc_srv_endBLOBServer(*psrv);
rpc_srv_endBLOBServer(*psrv);

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

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

pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx);	pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx);
io_free(*psrv);	e_free(*psrv);
*psrv = NULL;	*psrv = NULL;
}	}

Line 860 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1219 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
return -1;	return -1;
}	}

if (listen(srv->srv_server.cli_sock, io_arraySize(srv->srv_clients)) == -1) {	if (srv->srv_proto == SOCK_STREAM)
LOGERR;	if (listen(srv->srv_server.cli_sock, array_Size(srv->srv_clients)) == -1) {
return -1;	LOGERR;
} else	return -1;
fcntl(srv->srv_server.cli_sock, F_SETFL,	}
fcntl(srv->srv_server.cli_sock, F_GETFL) \| O_NONBLOCK);

if (!schedRead(srv->srv_root, cbProto[srv->srv_proto][CB_ACCEPTCLIENT], srv,	if (!schedRead(srv->srv_root, cbProto[srv->srv_proto][CB_ACCEPTCLIENT], srv,
srv->srv_server.cli_sock, NULL, 0)) {	srv->srv_server.cli_sock, NULL, 0)) {
Line 878 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1236 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
schedRun(srv->srv_root, &srv->srv_kill);	schedRun(srv->srv_root, &srv->srv_kill);

/* close all clients connections & server socket */	/* close all clients connections & server socket */
for (i = 0; i < io_arraySize(srv->srv_clients); i++) {	for (i = 0; i < array_Size(srv->srv_clients); i++) {
c = io_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);	shutdown(c->cli_sock, SHUT_RDWR);
close(c->cli_sock);	close(c->cli_sock);

schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL);	schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL);
io_freeVars(&RPC_RETVARS(c));	ait_freeVars(&RPC_RETVARS(c));
AIT_FREE_VAL(&c->cli_buf);	AIT_FREE_VAL(&c->cli_buf);
}	}
io_arrayDel(srv->srv_clients, i, 42);	array_Del(srv->srv_clients, i, 42);
}	}
io_arrayDestroy(&srv->srv_clients);	array_Destroy(&srv->srv_clients);

close(srv->srv_server.cli_sock);	close(srv->srv_server.cli_sock);

Line 900 rpc_srv_loopServer(rpc_srv_t * __restrict srv)	Line 1258 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
SLIST_REMOVE_HEAD(&srv->srv_funcs, func_next);	SLIST_REMOVE_HEAD(&srv->srv_funcs, func_next);

AIT_FREE_VAL(&f->func_name);	AIT_FREE_VAL(&f->func_name);
io_free(f);	e_free(f);
}	}
srv->srv_funcs.avlh_root = NULL;	srv->srv_funcs.avlh_root = NULL;
RPC_FUNCS_UNLOCK(&srv->srv_funcs);	RPC_FUNCS_UNLOCK(&srv->srv_funcs);

schedEnd(&srv->srv_root);
return 0;	return 0;
}	}

Line 933 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta	Line 1290 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
	* @protoNum = Protocol ethernet number for bind server, if Port == 0 default port is selected
	* 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, u_short protoNum)
	{
	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;

	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;
	if (!protoNum)
	protoNum = RPC_DEFPORT;

	#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 = protoNum;
	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;
	}

	/* 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;
	}
	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;
	}

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

Removed from v.1.12.2.1
changed lines
	Added in v.1.23.6.1