version 1.21.2.5, 2013/11/15 09:05:19
|
version 1.23.6.2, 2014/11/17 23:51:26
|
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 - 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 59 static void *txUDPPacket(sched_task_t *);
|
Line 59 static void *txUDPPacket(sched_task_t *);
|
|
|
/* SOCK_RAW */ |
/* SOCK_RAW */ |
|
|
static sched_task_func_t cbProto[SOCK_RAW + 1][4] = { | /* SOCK_BPF */ |
| static void *rxBPFPacket(sched_task_t *); |
| static void *txBPFPacket(sched_task_t *); |
| |
| static sched_task_func_t cbProto[SOCK_BPF + 1][4] = { |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ acceptClients, closeClient, rxPacket, txPacket }, /* SOCK_STREAM */ |
{ rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */ |
{ rxUDPPacket, freeClient, rxUDPPacket, txUDPPacket }, /* SOCK_DGRAM */ |
{ NULL, NULL, NULL, NULL } /* SOCK_RAW */ | { NULL, NULL, NULL, NULL }, /* SOCK_RAW */ |
| { rxBPFPacket, freeClient, rxBPFPacket, txBPFPacket } /* SOCK_BPF */ |
}; |
}; |
|
|
|
/* 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) |
{ |
{ |
Line 223 txPacket(sched_task_t *task)
|
Line 232 txPacket(sched_task_t *task)
|
if (ret) |
if (ret) |
LOGERR; |
LOGERR; |
else |
else |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
/* 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); |
Line 346 rxPacket(sched_task_t *task)
|
Line 355 rxPacket(sched_task_t *task)
|
if (rlen) |
if (rlen) |
LOGERR; |
LOGERR; |
else |
else |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
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; |
return NULL; |
Line 502 txUDPPacket(sched_task_t *task)
|
Line 511 txUDPPacket(sched_task_t *task)
|
if (ret) |
if (ret) |
LOGERR; |
LOGERR; |
else |
else |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
/* 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); |
Line 575 rxUDPPacket(sched_task_t *task)
|
Line 584 rxUDPPacket(sched_task_t *task)
|
if (rlen) |
if (rlen) |
LOGERR; |
LOGERR; |
else |
else |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); | rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
c, 0, NULL, 0); |
c, 0, NULL, 0); |
return NULL; |
return NULL; |
Line 760 end:
|
Line 769 end:
|
static void * |
static void * |
flushBLOB(sched_task_t *task) |
flushBLOB(sched_task_t *task) |
{ |
{ |
rpc_srv_t *srv = TASK_ARG(task); | uintptr_t sigArg = atomic_load_acq_ptr(&_glSigArg); |
| 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 770 flushBLOB(sched_task_t *task)
|
Line 780 flushBLOB(sched_task_t *task)
|
e_free(b); |
e_free(b); |
} |
} |
|
|
schedSignalSelf(task); | 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; |
return NULL; |
} |
} |
|
|
Line 984 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1004 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; |
| |
| 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 1262 rpc_srv_execCall(rpc_cli_t * __restrict cli, struct ta
|
Line 1294 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) |
|
{ |
|
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; |
|
|
|
#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); |
|
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; |
|
} |
|
|
|
/* |
|
* rpc_srv_loopServer2() - Execute Main layer2 server loop and wait for clients requests |
|
* |
|
* @srv = RPC Server instance |
|
* return: -1 error or 0 ok, infinite loop ... |
|
*/ |
|
int |
|
rpc_srv_loopServer2(rpc_srv_t * __restrict srv) |
|
{ |
|
rpc_cli_t *c; |
|
register int i; |
|
rpc_func_t *f; |
|
struct timespec ts = { RPC_SCHED_POLLING, 0 }; |
|
|
|
if (!srv) { |
|
rpc_SetErr(EINVAL, "Invalid parameter can`t start RPC server"); |
|
return -1; |
|
} |
|
|
|
if (!schedRead(srv->srv_root, cbProto[srv->srv_proto][CB_ACCEPTCLIENT], srv, |
|
srv->srv_server.cli_sock, NULL, 0)) { |
|
rpc_SetErr(sched_GetErrno(), "%s", sched_GetError()); |
|
return -1; |
|
} |
|
|
|
schedPolling(srv->srv_root, &ts, NULL); |
|
/* main rpc loop */ |
|
schedRun(srv->srv_root, &srv->srv_kill); |
|
|
|
/* close all clients connections & server socket */ |
|
for (i = 0; i < array_Size(srv->srv_clients); i++) { |
|
c = array(srv->srv_clients, i, rpc_cli_t*); |
|
if (c) { |
|
schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
|
ait_freeVars(&RPC_RETVARS(c)); |
|
AIT_FREE_VAL(&c->cli_buf); |
|
} |
|
array_Del(srv->srv_clients, i, 42); |
|
} |
|
array_Destroy(&srv->srv_clients); |
|
|
|
close(srv->srv_server.cli_sock); |
|
|
|
/* detach exported calls */ |
|
RPC_FUNCS_LOCK(&srv->srv_funcs); |
|
while ((f = SLIST_FIRST(&srv->srv_funcs))) { |
|
SLIST_REMOVE_HEAD(&srv->srv_funcs, func_next); |
|
|
|
AIT_FREE_VAL(&f->func_name); |
|
e_free(f); |
|
} |
|
srv->srv_funcs.avlh_root = NULL; |
|
RPC_FUNCS_UNLOCK(&srv->srv_funcs); |
|
|
|
return 0; |
} |
} |