version 1.24.2.6, 2015/01/18 01:03:50
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version 1.26.2.10, 2015/06/30 14:11:55
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Line 58 static void *rxUDPPacket(sched_task_t *);
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Line 58 static void *rxUDPPacket(sched_task_t *);
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static void *txUDPPacket(sched_task_t *); |
static void *txUDPPacket(sched_task_t *); |
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/* SOCK_RAW */ |
/* SOCK_RAW */ |
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static void *rxRAWPacket(sched_task_t *); |
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static void *txRAWPacket(sched_task_t *); |
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/* SOCK_BPF */ |
/* SOCK_BPF */ |
static void *rxBPFPacket(sched_task_t *); |
static void *rxBPFPacket(sched_task_t *); |
Line 68 static void *rxEXTPacket(sched_task_t *);
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Line 70 static void *rxEXTPacket(sched_task_t *);
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static void *txEXTPacket(sched_task_t *); |
static void *txEXTPacket(sched_task_t *); |
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static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][4] = { |
static sched_task_func_t cbProto[SOCK_MAX_SUPPORT][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, NULL /*rxUDPPacket*/, txUDPPacket }, /* SOCK_DGRAM */ |
{ NULL, NULL, NULL, NULL }, /* SOCK_RAW */ | { rxRAWPacket, freeClient, NULL /*rxRAWPacket*/, txRAWPacket }, /* SOCK_RAW */ |
{ rxBPFPacket, freeClient, rxBPFPacket, txBPFPacket }, /* SOCK_BPF */ | { rxBPFPacket, freeClient, NULL /*rxBPFPacket*/, txBPFPacket }, /* SOCK_BPF */ |
{ rxEXTPacket, freeClient, rxEXTPacket, txEXTPacket } /* SOCK_EXT */ | { rxEXTPacket, freeClient, NULL /*rxEXTPacket*/, txEXTPacket } /* SOCK_EXT */ |
}; |
}; |
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/* Global Signal Argument when kqueue support disabled */ |
/* Global Signal Argument when kqueue support disabled */ |
Line 156 freeClient(sched_task_t *task)
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Line 158 freeClient(sched_task_t *task)
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{ |
{ |
rpc_freeCli(TASK_ARG(task)); |
rpc_freeCli(TASK_ARG(task)); |
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return NULL; | taskExit(task, NULL); |
} |
} |
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static void * |
static void * |
Line 169 closeClient(sched_task_t *task)
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Line 171 closeClient(sched_task_t *task)
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/* close client socket */ |
/* close client socket */ |
shutdown(sock, SHUT_RDWR); |
shutdown(sock, SHUT_RDWR); |
close(sock); |
close(sock); |
return NULL; | taskExit(task, NULL); |
} |
} |
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static void * |
static void * |
Line 180 txPacket(sched_task_t *task)
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Line 182 txPacket(sched_task_t *task)
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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); |
struct pollfd pfd; | |
#ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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Line 198 txPacket(sched_task_t *task)
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Line 199 txPacket(sched_task_t *task)
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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 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 = (struct tagRPCCall*) buf; | |
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(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 */ |
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ait_freeVars(&c->cli_vars); |
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if (ret == -1) { |
if (ret == -1) { |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
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Line 223 txPacket(sched_task_t *task)
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Line 221 txPacket(sched_task_t *task)
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} |
} |
} |
} |
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/* Free return values */ |
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ait_freeVars(&c->cli_vars); |
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rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
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rpc->call_io = RPC_ACK; |
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#if 0 |
#if 0 |
/* calculate CRC */ |
/* calculate CRC */ |
Line 232 txPacket(sched_task_t *task)
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Line 234 txPacket(sched_task_t *task)
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#endif |
#endif |
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/* send reply */ |
/* send reply */ |
pfd.fd = TASK_FD(task); | ret = send(TASK_FD(task), buf, wlen, MSG_NOSIGNAL); |
pfd.events = POLLOUT; | if (ret == -1) { |
for (; wlen > 0; wlen -= ret, buf += ret) { | /* close connection */ |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | TASK_ARG(task), 0, NULL, 0); |
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; | |
} | |
} |
} |
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return NULL; | taskExit(task, NULL); |
} |
} |
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static void * |
static void * |
Line 267 execCall(sched_task_t *task)
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Line 253 execCall(sched_task_t *task)
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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; |
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/* Go decapsulate variables ... */ |
/* Go decapsulate variables ... */ |
if (argc) { |
if (argc) { |
Line 279 execCall(sched_task_t *task)
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Line 265 execCall(sched_task_t *task)
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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); |
return NULL; | taskExit(task, NULL); |
} |
} |
} else |
} else |
arr = NULL; |
arr = NULL; |
Line 292 execCall(sched_task_t *task)
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Line 278 execCall(sched_task_t *task)
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rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
} else { |
} else { |
/* if client doesn't want reply */ |
/* if client doesn't want reply */ |
argc = RPC_CHK_NOREPLY(rpc); |
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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)) { |
if (!rpc->call_rep.eno) { |
if (!rpc->call_rep.eno) { |
Line 300 execCall(sched_task_t *task)
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Line 285 execCall(sched_task_t *task)
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rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
} |
} |
rpc->call_argc ^= rpc->call_argc; |
rpc->call_argc ^= rpc->call_argc; |
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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; |
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} else { |
} else { |
/* reply */ |
/* reply */ |
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc = (u_char) array_Size(RPC_RETVARS(c)); |
} |
} |
} |
} |
} |
} |
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array_Destroy(&arr); |
array_Destroy(&arr); |
return NULL; | taskExit(task, NULL); |
} |
} |
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static void * |
static void * |
Line 322 rxPacket(sched_task_t *task)
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Line 308 rxPacket(sched_task_t *task)
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{ |
{ |
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 = AIT_LEN(&c->cli_buf); |
#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); |
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u_char b[sizeof(struct tagRPCCall)]; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct pollfd pfd; |
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#ifdef TCP_SESSION_TIMEOUT |
#ifdef TCP_SESSION_TIMEOUT |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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Line 337 rxPacket(sched_task_t *task)
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Line 323 rxPacket(sched_task_t *task)
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TASK_ARG(task), ts, TASK_ARG(task), 0); |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
#endif |
#endif |
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memset(buf, 0, sizeof(struct tagRPCCall)); | /* prepare rx */ |
rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), MSG_PEEK); | len = recv(TASK_FD(task), b, sizeof b, MSG_PEEK); |
if (rlen < sizeof(struct tagRPCCall)) { | if (len == sizeof b) |
| rlen = ntohl(((struct tagRPCCall*) b)->call_len); |
| |
| rlen = recv(TASK_FD(task), buf, rlen, 0); |
| if (rlen == -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 { | |
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; | |
} |
} |
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if (rlen < sizeof(struct tagRPCCall)) { |
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rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
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/* get next part of packet */ | rpc->call_argc ^= rpc->call_argc; |
memset(buf, 0, len); | rpc->call_rep.ret = RPC_ERROR(-1); |
pfd.fd = TASK_FD(task); | rpc->call_rep.eno = RPC_ERROR(errno); |
pfd.events = POLLIN | POLLPRI; | goto err; |
for (; len > 0; len -= rlen, buf += rlen) { | } else |
if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | len = ntohl(rpc->call_len); |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | if (rlen < len || len > AIT_LEN(&c->cli_buf)) { |
if (rlen) | rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
LOGERR; | |
else | rpc->call_argc ^= rpc->call_argc; |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); | rpc->call_rep.ret = RPC_ERROR(-1); |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | rpc->call_rep.eno = RPC_ERROR(errno); |
TASK_ARG(task), 0, NULL, 0); | goto err; |
return NULL; | |
} | |
rlen = recv(TASK_FD(task), buf, len, 0); | |
if (rlen == -1) { | |
/* close connection */ | |
schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], | |
TASK_ARG(task), 0, NULL, 0); | |
return NULL; | |
} | |
} |
} |
len = estlen; |
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/* skip loop packet */ |
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if (rpc->call_io & RPC_ACK) { |
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schedReadSelf(task); |
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taskExit(task, NULL); |
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} |
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#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->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(errno); |
| goto err; |
} |
} |
#endif |
#endif |
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noreply = RPC_CHK_NOREPLY(rpc); |
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/* 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"); |
Line 397 rxPacket(sched_task_t *task)
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Line 380 rxPacket(sched_task_t *task)
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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(errno); |
rpc->call_rep.eno = RPC_ERROR(errno); |
} else { | goto err; |
/* execute RPC call */ | |
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); | |
} |
} |
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noreply = RPC_CHK_NOREPLY(rpc); |
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/* execute RPC call */ |
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schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); |
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err: |
/* send RPC reply */ |
/* send RPC reply */ |
if (!noreply) |
if (!noreply) |
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[s->srv_proto][CB_TXPACKET], |
Line 409 rxPacket(sched_task_t *task)
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Line 395 rxPacket(sched_task_t *task)
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/* lets get next packet */ |
/* lets get next packet */ |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; | taskExit(task, NULL); |
} |
} |
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static void * |
static void * |
Line 453 acceptClients(sched_task_t *task)
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Line 439 acceptClients(sched_task_t *task)
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c->cli_sock, NULL, 0); |
c->cli_sock, NULL, 0); |
end: |
end: |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; | taskExit(task, NULL); |
} |
} |
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Line 465 txUDPPacket(sched_task_t *task)
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Line 451 txUDPPacket(sched_task_t *task)
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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); |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct pollfd pfd; |
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schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, 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], |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
Line 477 txUDPPacket(sched_task_t *task)
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Line 462 txUDPPacket(sched_task_t *task)
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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"); |
|
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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 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 = (struct tagRPCCall*) buf; | |
|
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(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 */ |
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ait_freeVars(&c->cli_vars); |
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if (ret == -1) { |
if (ret == -1) { |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
rpc_SetErr(EBADRPC, "Prepare RPC packet failed"); |
|
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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 504 txUDPPacket(sched_task_t *task)
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Line 488 txUDPPacket(sched_task_t *task)
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} |
} |
} |
} |
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/* Free return values */ |
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ait_freeVars(&c->cli_vars); |
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rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
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rpc->call_io = RPC_ACK; |
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/* 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)); |
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/* send reply */ |
/* send reply */ |
pfd.fd = TASK_FD(task); | ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
pfd.events = POLLOUT; | &c->cli_sa.sa, c->cli_sa.sa.sa_len); |
for (; wlen > 0; wlen -= ret, buf += ret) { | if (ret == -1) { |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | /* close connection */ |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
if (ret) | TASK_ARG(task), 0, NULL, 0); |
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; | taskExit(task, NULL); |
} |
} |
|
|
static void * |
static void * |
Line 543 rxUDPPacket(sched_task_t *task)
|
Line 515 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, estlen; | int len, noreply = 0, rlen; |
u_short crc; |
u_short crc; |
u_char *buf, b[sizeof(struct tagRPCCall)]; | struct tagRPCCall *rpc; |
struct tagRPCCall *rpc = (struct tagRPCCall*) b; | |
sockaddr_t sa; |
sockaddr_t sa; |
socklen_t salen; |
socklen_t salen; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct pollfd pfd; | ait_val_t b = AIT_VAL_INIT; |
|
|
/* receive connect packet */ |
/* receive connect packet */ |
|
AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen); | rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
if (rlen < sizeof(struct tagRPCCall)) { | rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | if (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*) 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); |
c = _allocClient(srv, &sa); |
if (!c) { |
if (!c) { |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
goto end; |
goto end; |
} else { |
} else { |
estlen = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
if (estlen > AIT_LEN(&c->cli_buf)) | |
AIT_RE_BUF(&c->cli_buf, estlen); | |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
buf = AIT_GET_BUF(&c->cli_buf); |
|
len = estlen; |
|
|
|
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); |
Line 582 rxUDPPacket(sched_task_t *task)
|
Line 567 rxUDPPacket(sched_task_t *task)
|
c, ts, c, 0); |
c, ts, c, 0); |
} |
} |
|
|
/* get next part of packet */ | noreply = RPC_CHK_NOREPLY(rpc); |
memset(buf, 0, len); | |
pfd.fd = TASK_FD(task); | /* execute RPC call */ |
pfd.events = POLLIN | POLLPRI; | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
for (; len > 0; len -= rlen, buf += rlen) { | |
if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | /* send RPC reply */ |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | if (!noreply) |
if (rlen) | schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
LOGERR; | c, TASK_FD(task), rpc, len); |
else | end: |
rpc_SetErr(ETIMEDOUT, "Timeout reached! Client not respond"); | AIT_FREE_VAL(&b); |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], | schedReadSelf(task); |
c, 0, NULL, 0); | 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->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
| rpc_SetErr(EMSGSIZE, "Message too long"); |
| |
| rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(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->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
| } else |
| wlen += ret; |
| } |
| } |
| |
| /* Free return values */ |
| ait_freeVars(&c->cli_vars); |
| |
| rpc->call_len = htonl(wlen); |
| 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 */ |
| ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, |
| &c->cli_sa.sa, c->cli_sa.sa.sa_len); |
| if (ret == -1) { |
| /* close connection */ |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| } |
| |
| taskExit(task, NULL); |
| } |
| |
| static void * |
| rxRAWPacket(sched_task_t *task) |
| { |
| rpc_srv_t *srv = TASK_ARG(task); |
| rpc_cli_t *c = NULL; |
| int len, noreply = 0, rlen; |
| u_short crc; |
| struct tagRPCCall *rpc; |
| sockaddr_t sa; |
| socklen_t salen; |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
| ait_val_t b = AIT_VAL_INIT; |
| |
| /* receive connect packet */ |
| AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
| salen = sa.ss.ss_len = sizeof(sockaddr_t); |
| rlen = recvfrom(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b), 0, &sa.sa, &salen); |
| if (sa.sa.sa_family == AF_INET) { |
| struct ip *h; |
| h = (struct ip*) AIT_GET_BUF(&b); |
| if (rlen < ntohs(h->ip_len) || h->ip_p != IPPROTO_ERPC) |
goto end; |
goto end; |
|
else { |
|
rlen -= sizeof(struct ip); |
|
rpc = (struct tagRPCCall*) (h + 1); |
} |
} |
salen = sa.ss.ss_len = sizeof(sockaddr_t); | } else { |
rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); | struct ip6_hdr *h; |
if (rlen == -1) { | h = (struct ip6_hdr*) AIT_GET_BUF(&b); |
/* close connection */ | if (rlen < (ntohs(h->ip6_plen) + sizeof(struct ip6_hdr)) || |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], | h->ip6_nxt != IPPROTO_ERPC) |
c, 0, NULL, 0); | |
goto end; |
goto end; |
|
else { |
|
rlen -= sizeof(struct ip6_hdr); |
|
rpc = (struct tagRPCCall*) (h + 1); |
} |
} |
if (e_addrcmp(&c->cli_sa, &sa, 42)) |
|
rlen ^= rlen; /* skip if arrive from different address */ |
|
} |
} |
len = estlen; | if (rlen < sizeof(struct tagRPCCall)) |
| goto end; |
| else |
| len = ntohl(rpc->call_len); |
| if (rlen < len || len > srv->srv_netbuf) |
| goto end; |
|
|
|
/* skip loop packet */ |
|
if (rpc->call_io & RPC_ACK) |
|
goto end; |
|
|
/* check integrity of packet */ |
/* 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"); | |
/* close connection */ | |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], | |
c, 0, NULL, 0); | |
goto end; |
goto end; |
} |
|
|
|
noreply = RPC_CHK_NOREPLY(rpc); |
|
|
|
/* check RPC packet session info */ |
/* check RPC packet session info */ |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) |
rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); | goto end; |
|
|
rpc->call_argc ^= rpc->call_argc; | c = _allocClient(srv, &sa); |
rpc->call_rep.ret = RPC_ERROR(-1); | if (!c) { |
rpc->call_rep.eno = RPC_ERROR(errno); | EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| usleep(2000); /* blocked client delay */ |
| goto end; |
} else { |
} else { |
/* execute RPC call */ | memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, 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 */ |
/* send RPC reply */ |
if (!noreply) |
if (!noreply) |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
c, TASK_FD(task), rpc, len); |
c, TASK_FD(task), rpc, len); |
end: |
end: |
|
AIT_FREE_VAL(&b); |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; | taskExit(task, NULL); |
} |
} |
|
|
|
|
Line 653 txBPFPacket(sched_task_t *task)
|
Line 750 txBPFPacket(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, len, wlen = sizeof(struct tagRPCCall); | int ret, wlen = sizeof(struct tagRPCCall); |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct ether_header *eh; |
struct ether_header *eh; |
ait_val_t b = AIT_VAL_INIT; |
ait_val_t b = AIT_VAL_INIT; |
Line 666 txBPFPacket(sched_task_t *task)
|
Line 763 txBPFPacket(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->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
} else { | } else if (rpc_pktFreeSpace(c) > s->srv_netbuf) { |
/* calc estimated length */ | rpc_SetErr(EMSGSIZE, "Message too long"); |
len = ait_resideVars(RPC_RETVARS(c)) + wlen; | |
if (len > AIT_LEN(&c->cli_buf)) | |
AIT_RE_BUF(&c->cli_buf, len); | |
buf = AIT_GET_BUF(&c->cli_buf); | |
rpc = (struct tagRPCCall*) buf; | |
|
|
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(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(&RPC_RETVARS(c)); |
|
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 693 txBPFPacket(sched_task_t *task)
|
Line 789 txBPFPacket(sched_task_t *task)
|
} |
} |
} |
} |
|
|
|
/* Free return values */ |
|
ait_freeVars(&RPC_RETVARS(c)); |
|
|
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; |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
|
|
/* send reply */ |
/* send reply */ |
AIT_SET_BUF(&b, NULL, MIN(wlen, s->srv_netbuf) + ETHER_HDR_LEN); | AIT_SET_BUF(&b, NULL, wlen + ETHER_HDR_LEN); |
eh = (struct ether_header*) AIT_GET_BUF(&b); |
eh = (struct ether_header*) AIT_GET_BUF(&b); |
memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
memcpy(eh->ether_dhost, LLADDR(&c->cli_sa.sdl), ETHER_ADDR_LEN); |
eh->ether_type = htons(RPC_DEFPORT); |
eh->ether_type = htons(RPC_DEFPORT); |
memcpy(eh + 1, buf, MIN(wlen, s->srv_netbuf)); | memcpy(eh + 1, buf, wlen); |
|
|
ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
ret = write(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
AIT_FREE_VAL(&b); |
AIT_FREE_VAL(&b); |
Line 712 txBPFPacket(sched_task_t *task)
|
Line 812 txBPFPacket(sched_task_t *task)
|
/* 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; |
|
} |
} |
|
|
return NULL; | taskExit(task, NULL); |
} |
} |
|
|
static void * |
static void * |
Line 738 rxBPFPacket(sched_task_t *task)
|
Line 837 rxBPFPacket(sched_task_t *task)
|
h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
h = (struct bpf_hdr*) AIT_GET_BUF(&b); |
rlen -= h->bh_hdrlen; |
rlen -= h->bh_hdrlen; |
if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
if (rlen < h->bh_datalen || h->bh_caplen != h->bh_datalen || |
rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) { | rlen < ETHER_HDR_LEN + sizeof(struct tagRPCCall)) |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | |
goto end; |
goto end; |
} else { | else { |
rlen = h->bh_caplen; |
rlen = h->bh_caplen; |
eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
eh = (struct ether_header*) (AIT_GET_BUF(&b) + h->bh_hdrlen); |
rlen -= ETHER_HDR_LEN; |
rlen -= ETHER_HDR_LEN; |
rpc = (struct tagRPCCall*) (eh + 1); |
rpc = (struct tagRPCCall*) (eh + 1); |
|
|
if (eh->ether_type != ntohs(RPC_DEFPORT)) |
if (eh->ether_type != ntohs(RPC_DEFPORT)) |
goto end; |
goto end; |
else |
else |
e_getlinkbymac((const ether_addr_t*) eh->ether_shost, &sa); |
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); |
c = _allocClient(srv, &sa); |
if (!c) { |
if (!c) { |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
goto end; |
goto end; |
} else { |
} else { |
len = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), rpc, len); |
if (len > AIT_LEN(&c->cli_buf)) | |
AIT_RE_BUF(&c->cli_buf, len); | |
memcpy(AIT_GET_BUF(&c->cli_buf), rpc, AIT_LEN(&c->cli_buf)); | |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
|
|
c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
Line 773 rxBPFPacket(sched_task_t *task)
|
Line 891 rxBPFPacket(sched_task_t *task)
|
c, ts, c, 0); |
c, ts, c, 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"); |
|
/* close connection */ |
|
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
c, 0, NULL, 0); |
|
goto end; |
|
} |
|
|
|
noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
|
|
/* check RPC packet session info */ | /* execute RPC call */ |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
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 */ |
/* send RPC reply */ |
if (!noreply) |
if (!noreply) |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
Line 805 rxBPFPacket(sched_task_t *task)
|
Line 903 rxBPFPacket(sched_task_t *task)
|
end: |
end: |
AIT_FREE_VAL(&b); |
AIT_FREE_VAL(&b); |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; | taskExit(task, NULL); |
} |
} |
|
|
|
|
Line 817 txEXTPacket(sched_task_t *task)
|
Line 915 txEXTPacket(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); |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct pollfd pfd; |
|
|
|
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, 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], |
schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
Line 829 txEXTPacket(sched_task_t *task)
|
Line 926 txEXTPacket(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->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(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 = (struct tagRPCCall*) buf; | |
|
|
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); | rpc->call_argc ^= rpc->call_argc; |
| rpc->call_rep.ret = RPC_ERROR(-1); |
| rpc->call_rep.eno = RPC_ERROR(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->call_rep.ret = RPC_ERROR(-1); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
rpc->call_rep.eno = RPC_ERROR(rpc_Errno); |
Line 856 txEXTPacket(sched_task_t *task)
|
Line 952 txEXTPacket(sched_task_t *task)
|
} |
} |
} |
} |
|
|
|
/* Free return values */ |
|
ait_freeVars(&RPC_RETVARS(c)); |
|
|
rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
|
rpc->call_io = RPC_ACK; |
|
|
/* send reply */ |
/* send reply */ |
pfd.fd = TASK_FD(task); | ret = write(TASK_FD(task), buf, wlen); |
pfd.events = POLLOUT; | if (ret == -1) { |
for (; wlen > 0; wlen -= ret, buf += ret) { | /* close connection */ |
if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || | schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { | TASK_ARG(task), 0, NULL, 0); |
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 = write(TASK_FD(task), buf, MIN(wlen, s->srv_netbuf)); | |
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; | taskExit(task, NULL); |
} |
} |
|
|
static void * |
static void * |
Line 890 rxEXTPacket(sched_task_t *task)
|
Line 974 rxEXTPacket(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, estlen; | int len, noreply = 0, rlen = AIT_LEN(&c->cli_buf); |
u_char *buf, b[sizeof(struct tagRPCCall)]; | struct tagRPCCall *rpc; |
struct tagRPCCall *rpc = (struct tagRPCCall*) b; | |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
struct pollfd pfd; | sockaddr_t sa; |
| ait_val_t b = AIT_VAL_INIT; |
|
|
|
memset(&sa, 0, sizeof sa); |
/* receive connect packet */ |
/* receive connect packet */ |
rlen = read(TASK_FD(task), b, sizeof b); | AIT_SET_BUF(&b, NULL, srv->srv_netbuf); |
if (rlen < sizeof(struct tagRPCCall)) { | rlen = read(TASK_FD(task), AIT_GET_BUF(&b), AIT_LEN(&b)); |
rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); | rpc = (struct tagRPCCall*) AIT_GET_BUF(&b); |
| if (rlen < sizeof(struct tagRPCCall)) |
goto end; |
goto end; |
} | else |
| len = ntohl(rpc->call_len); |
| if (rlen < len || len > srv->srv_netbuf) |
| goto end; |
|
|
c = _allocClient(srv, (sockaddr_t*) -1); | /* 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) { |
if (!c) { |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
usleep(2000); /* blocked client delay */ |
usleep(2000); /* blocked client delay */ |
goto end; |
goto end; |
} else { |
} else { |
estlen = ntohl(rpc->call_len); | memcpy(AIT_GET_BUF(&c->cli_buf), AIT_GET_BUF(&b), len); |
if (estlen > AIT_LEN(&c->cli_buf)) | |
AIT_RE_BUF(&c->cli_buf, estlen); | |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
rpc = (struct tagRPCCall*) AIT_GET_BUF(&c->cli_buf); |
memcpy(rpc, b, sizeof b); |
|
buf = (u_char*) (rpc + 1); |
|
len = estlen; |
|
|
|
c->cli_sock = TASK_FD(task); |
c->cli_sock = TASK_FD(task); |
|
|
Line 925 rxEXTPacket(sched_task_t *task)
|
Line 1017 rxEXTPacket(sched_task_t *task)
|
c, ts, c, 0); |
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); |
|
goto end; |
|
} |
|
rlen = read(TASK_FD(task), buf, len); |
|
if (rlen == -1) { |
|
/* close connection */ |
|
schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
|
c, 0, NULL, 0); |
|
goto end; |
|
} |
|
} |
|
len = estlen; |
|
|
|
noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
|
|
/* check RPC packet session info */ | /* execute RPC call */ |
if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { | schedEvent(TASK_ROOT(task), execCall, c, (int) noreply, rpc, len); |
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 */ |
/* send RPC reply */ |
if (!noreply) |
if (!noreply) |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], |
c, TASK_FD(task), rpc, len); |
c, TASK_FD(task), rpc, len); |
end: |
end: |
|
AIT_FREE_VAL(&b); |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; | taskExit(task, NULL); |
} |
} |
|
|
/* ------------------------------------------------------ */ |
/* ------------------------------------------------------ */ |
Line 1001 closeBLOBClient(sched_task_t *task)
|
Line 1060 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 1018 txBLOB(sched_task_t *task)
|
Line 1077 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 1035 rxBLOB(sched_task_t *task)
|
Line 1094 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 1043 rxBLOB(sched_task_t *task)
|
Line 1102 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 1103 end:
|
Line 1162 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 * |
Line 1131 flushBLOB(sched_task_t *task)
|
Line 1190 flushBLOB(sched_task_t *task)
|
sigaction(SIGFBLOB, &sa, NULL); |
sigaction(SIGFBLOB, &sa, NULL); |
} |
} |
|
|
return NULL; | taskExit(task, NULL); |
} |
} |
|
|
static void * |
static void * |
Line 1162 acceptBLOBClients(sched_task_t *task)
|
Line 1221 acceptBLOBClients(sched_task_t *task)
|
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 1190 acceptBLOBClients(sched_task_t *task)
|
Line 1249 acceptBLOBClients(sched_task_t *task)
|
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 1318 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1377 rpc_srv_endBLOBServer(rpc_srv_t * __restrict srv)
|
srv->srv_blob.kill = 1; |
srv->srv_blob.kill = 1; |
|
|
schedEnd(&srv->srv_blob.root); |
schedEnd(&srv->srv_blob.root); |
|
|
|
if (srv->srv_blob.server.cli_sa.sa.sa_family == AF_LOCAL) |
|
unlink(srv->srv_blob.server.cli_sa.sun.sun_path); |
} |
} |
|
|
/* |
/* |
Line 1419 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1481 rpc_srv_initServer(u_char InstID, int concurentClients
|
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 (!Port && proto < SOCK_RAW) |
|
Port = RPC_DEFPORT; |
if (!e_gethostbyname(csHost, Port, &sa)) |
if (!e_gethostbyname(csHost, Port, &sa)) |
return NULL; |
return NULL; |
if (!Port) |
|
Port = RPC_DEFPORT; |
|
if (!proto) |
if (!proto) |
proto = SOCK_STREAM; |
proto = SOCK_STREAM; |
if (netBuf < RPC_MIN_BUFSIZ) |
if (netBuf < RPC_MIN_BUFSIZ) |
Line 1478 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1540 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 1491 rpc_srv_initServer(u_char InstID, int concurentClients
|
Line 1554 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 1539 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
|
Line 1604 rpc_srv_endServer(rpc_srv_t ** __restrict psrv)
|
sleep(RPC_SCHED_POLLING); |
sleep(RPC_SCHED_POLLING); |
|
|
schedEnd(&(*psrv)->srv_root); |
schedEnd(&(*psrv)->srv_root); |
|
|
|
if ((*psrv)->srv_server.cli_sa.sa.sa_family == AF_LOCAL) |
|
unlink((*psrv)->srv_server.cli_sa.sun.sun_path); |
|
|
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
pthread_mutex_destroy(&(*psrv)->srv_funcs.mtx); |
e_free(*psrv); |
e_free(*psrv); |