version 1.17.4.4, 2013/08/21 11:41:15
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version 1.21.2.5, 2013/11/15 09:05:19
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Line 67 static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {
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Line 67 static sched_task_func_t cbProto[SOCK_RAW + 1][4] = {
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}; |
}; |
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static inline u_char * |
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getBuffer(rpc_cli_t * __restrict c) |
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{ |
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u_char *b = NULL; |
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assert(c); |
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if (RPC_ISNEXTBUF(c)) |
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b = AIT_GET_BUF(array(c->cli_buf, 1, ait_val_t*)); |
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else |
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b = AIT_GET_BUF(array(c->cli_buf, 0, ait_val_t*)) + |
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sizeof(struct tagRPCCall); |
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return b; |
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} |
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static inline struct tagRPCCall * |
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getHeader(rpc_cli_t * __restrict c) |
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{ |
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assert(c); |
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return (struct tagRPCCall*) AIT_GET_BUF(array(c->cli_buf, 0, ait_val_t*)); |
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} |
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void |
void |
rpc_freeCli(rpc_cli_t * __restrict c) |
rpc_freeCli(rpc_cli_t * __restrict c) |
{ |
{ |
Line 98 rpc_freeCli(rpc_cli_t * __restrict c)
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Line 74 rpc_freeCli(rpc_cli_t * __restrict c)
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schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
schedCancelby(s->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
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/* free buffer(s) */ | /* free buffer */ |
ait_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
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array_Del(s->srv_clients, c->cli_id, 0); |
array_Del(s->srv_clients, c->cli_id, 0); |
if (c) |
if (c) |
Line 150 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *
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Line 126 _allocClient(rpc_srv_t * __restrict srv, sockaddr_t *
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c->cli_parent = srv; |
c->cli_parent = srv; |
} |
} |
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/* init buffer(s) */ | /* alloc empty buffer */ |
c->cli_buf = ait_allocVars(1); | AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf); |
if (!c->cli_buf) { | |
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); | |
array_Del(srv->srv_clients, n, 42); | |
return NULL; | |
} else | |
AIT_SET_BUFSIZ(array(c->cli_buf, 0, ait_val_t*), 0, srv->srv_netbuf); | |
} |
} |
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return c; |
return c; |
Line 191 txPacket(sched_task_t *task)
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Line 161 txPacket(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; |
rpc_func_t *f = NULL; |
rpc_func_t *f = NULL; |
u_char *buf; | u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc; | struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
int ret, wlen = sizeof(struct tagRPCCall); | int ret, estlen, wlen = sizeof(struct tagRPCCall); |
int len = sizeof(struct tagRPCCall) + ntohl(rpc->call_len); | struct pollfd pfd; |
| #ifdef TCP_SESSION_TIMEOUT |
| struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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buf = e_malloc(len); | schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
if (!buf) { | schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); | TASK_ARG(task), ts, TASK_ARG(task), 0); |
return NULL; | #endif |
} else { | |
/* copy RPC header */ | |
memcpy(buf, TASK_DATA(task), wlen); | |
rpc = (struct tagRPCCall*) buf; | |
} | |
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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)); |
Line 215 txPacket(sched_task_t *task)
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Line 182 txPacket(sched_task_t *task)
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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 { |
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/* calc estimated length */ |
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estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
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if (estlen > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, estlen); |
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buf = AIT_GET_BUF(&c->cli_buf); |
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rpc = (struct tagRPCCall*) buf; |
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
/* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
ret = ait_vars2buffer(buf + wlen, len - wlen, RPC_RETVARS(c)); | ret = ait_vars2buffer(buf + wlen, AIT_LEN(&c->cli_buf) - wlen, |
| RPC_RETVARS(c)); |
/* Free return values */ |
/* Free return values */ |
ait_freeVars(&c->cli_vars); |
ait_freeVars(&c->cli_vars); |
if (ret == -1) { |
if (ret == -1) { |
Line 233 txPacket(sched_task_t *task)
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Line 208 txPacket(sched_task_t *task)
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rpc->call_len = htonl(wlen); |
rpc->call_len = htonl(wlen); |
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#if 0 |
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/* calculate CRC */ |
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rpc->call_crc ^= rpc->call_crc; |
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rpc->call_crc = htons(crcFletcher16((u_short*) buf, wlen / 2)); |
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#endif |
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/* 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 || |
TASK_ARG(task), 0, NULL, 0); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (ret) |
| LOGERR; |
| else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server 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; |
return NULL; |
Line 251 execCall(sched_task_t *task)
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Line 248 execCall(sched_task_t *task)
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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 = getBuffer(c); | u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc = getHeader(c); | struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
int argc = ntohs(rpc->call_argc); |
int argc = ntohs(rpc->call_argc); |
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/* Go decapsulate variables ... */ |
/* Go decapsulate variables ... */ |
if (argc) { |
if (argc) { |
arr = ait_buffer2vars(buf, ntohl(rpc->call_len), argc, 42); | arr = ait_buffer2vars(buf + sizeof(struct tagRPCCall), |
| AIT_LEN(&c->cli_buf) - sizeof(struct tagRPCCall), argc, 42); |
if (!arr) { |
if (!arr) { |
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
rpc_SetErr(ERPCMISMATCH, "#%d - %s", elwix_GetErrno(), elwix_GetError()); |
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Line 280 execCall(sched_task_t *task)
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Line 278 execCall(sched_task_t *task)
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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; |
Line 304 rxPacket(sched_task_t *task)
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Line 305 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; | int len, rlen, noreply, estlen; |
ait_val_t *bufz = array(c->cli_buf, 0, ait_val_t*); | #if 0 |
u_char *buf = (u_char*) AIT_GET_BUF(bufz); | u_short crc; |
| #endif |
| u_char *buf = AIT_GET_BUF(&c->cli_buf); |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; |
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struct pollfd pfd; |
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#ifdef TCP_SESSION_TIMEOUT |
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struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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memset(buf, 0, AIT_LEN(bufz)); | schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, TASK_ARG(task), NULL); |
/* 1st buffer is last */ | schedTimer(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
RPC_CLR_NEXTBUF(c); | TASK_ARG(task), ts, TASK_ARG(task), 0); |
| #endif |
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/* read rpc header */ | memset(buf, 0, sizeof(struct tagRPCCall)); |
rlen = recv(TASK_FD(task), rpc, MIN(sizeof(struct tagRPCCall), AIT_LEN(bufz)), 0); | rlen = recv(TASK_FD(task), rpc, sizeof(struct tagRPCCall), MSG_PEEK); |
if (rlen < 1) { | 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], |
TASK_ARG(task), 0, NULL, 0); |
TASK_ARG(task), 0, NULL, 0); |
return NULL; |
return NULL; |
} else if (rlen < sizeof(struct tagRPCCall) || |
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ntohl(rpc->call_len) < sizeof(struct tagRPCCall)) { |
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/* close connection */ |
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schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
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TASK_ARG(task), 0, NULL, 0); |
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return NULL; |
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} else { |
} else { |
buf += sizeof(struct tagRPCCall); | estlen = ntohl(rpc->call_len); |
len = 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 (len > (AIT_LEN(bufz) - sizeof(struct tagRPCCall))) { | /* get next part of packet */ |
/* add extra buffer */ | memset(buf, 0, len); |
if (!(bufz = ait_getVars(&c->cli_buf, 1))) { | 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! Server not respond"); |
| schedEvent(TASK_ROOT(task), cbProto[s->srv_proto][CB_CLOSECLIENT], |
| TASK_ARG(task), 0, NULL, 0); |
| return NULL; |
| } |
| rlen = recv(TASK_FD(task), buf, len, 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; |
return NULL; |
} else { |
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AIT_SET_BUFSIZ(bufz, 0, len); |
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buf = AIT_GET_BUF(bufz); |
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} |
} |
/* buffer isnt last */ |
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RPC_SET_NEXTBUF(c); |
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} |
} |
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len = estlen; |
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/* read payload */ | #if 0 |
rlen = recv(TASK_FD(task), buf, len, 0); | /* check integrity of packet */ |
if (rlen < len) { | 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; |
return NULL; |
} |
} |
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#endif |
|
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noreply = RPC_CHK_NOREPLY(rpc); |
noreply = RPC_CHK_NOREPLY(rpc); |
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Line 366 rxPacket(sched_task_t *task)
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Line 382 rxPacket(sched_task_t *task)
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rpc->call_rep.eno = RPC_ERROR(errno); |
rpc->call_rep.eno = RPC_ERROR(errno); |
} else { |
} else { |
/* execute RPC call */ |
/* execute RPC call */ |
schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), noreply, rpc, len); | schedEvent(TASK_ROOT(task), execCall, TASK_ARG(task), (int) noreply, rpc, len); |
} |
} |
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/* send RPC reply */ |
/* send RPC reply */ |
Line 385 acceptClients(sched_task_t *task)
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Line 401 acceptClients(sched_task_t *task)
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rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
socklen_t salen = sizeof(sockaddr_t); |
socklen_t salen = sizeof(sockaddr_t); |
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int sock; |
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#ifdef TCP_SESSION_TIMEOUT |
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struct timespec ts = { DEF_RPC_TIMEOUT, 0 }; |
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#endif |
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c = _allocClient(srv, NULL); |
c = _allocClient(srv, NULL); |
if (!c) | if (!c) { |
| EVERBOSE(1, "RPC client quota exceeded! Connection will be shutdown!\n"); |
| if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| } |
goto end; |
goto end; |
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} |
|
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/* 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_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
array_Del(srv->srv_clients, c->cli_id, 42); |
array_Del(srv->srv_clients, c->cli_id, 42); |
goto end; |
goto end; |
} else |
} else |
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
fcntl(c->cli_sock, F_SETFL, fcntl(c->cli_sock, F_GETFL) | O_NONBLOCK); |
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#ifdef TCP_SESSION_TIMEOUT |
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/* armed timer for close stateless connection */ |
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schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
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schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], c, |
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ts, c, 0); |
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#endif |
schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c, |
schedRead(TASK_ROOT(task), cbProto[srv->srv_proto][CB_RXPACKET], c, |
c->cli_sock, NULL, 0); |
c->cli_sock, NULL, 0); |
end: |
end: |
Line 414 txUDPPacket(sched_task_t *task)
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Line 446 txUDPPacket(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; |
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 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], |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
TASK_ARG(task), ts, TASK_ARG(task), 0); |
|
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/* copy RPC header */ |
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memcpy(buf, TASK_DATA(task), wlen); |
|
|
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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) { |
Line 434 txUDPPacket(sched_task_t *task)
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Line 464 txUDPPacket(sched_task_t *task)
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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 { |
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/* calc estimated length */ |
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estlen = ait_resideVars(RPC_RETVARS(c)) + wlen; |
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if (estlen > AIT_LEN(&c->cli_buf)) |
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AIT_RE_BUF(&c->cli_buf, estlen); |
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buf = AIT_GET_BUF(&c->cli_buf); |
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rpc = (struct tagRPCCall*) buf; |
|
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rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
rpc->call_argc = htons(array_Size(RPC_RETVARS(c))); |
/* Go Encapsulate variables */ |
/* Go Encapsulate variables */ |
ret = ait_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 */ |
ait_freeVars(&c->cli_vars); |
ait_freeVars(&c->cli_vars); |
if (ret == -1) { |
if (ret == -1) { |
Line 449 txUDPPacket(sched_task_t *task)
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Line 487 txUDPPacket(sched_task_t *task)
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} |
} |
} |
} |
|
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rpc->call_len = htons(wlen); | rpc->call_len = htonl(wlen); |
|
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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 */ |
ret = sendto(TASK_FD(task), buf, wlen, MSG_NOSIGNAL, | pfd.fd = TASK_FD(task); |
&c->cli_sa.sa, c->cli_sa.sa.sa_len); | pfd.events = POLLOUT; |
if (ret == -1 || ret != wlen) { | 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! Server 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; |
return NULL; |
Line 472 rxUDPPacket(sched_task_t *task)
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Line 526 rxUDPPacket(sched_task_t *task)
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{ |
{ |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_srv_t *srv = TASK_ARG(task); |
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
int len, rlen, noreply; | int len, rlen, noreply, estlen; |
u_short crc, off = 0; | u_short crc; |
u_char buf[USHRT_MAX + 1]; | u_char *buf, b[sizeof(struct tagRPCCall)]; |
struct tagRPCCall *rpc = (struct tagRPCCall*) buf; | 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; |
|
|
/* receive connect packet */ |
/* receive connect packet */ |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
salen = sa.ss.ss_len = sizeof(sockaddr_t); |
rlen = recvfrom(TASK_FD(task), buf, sizeof buf, 0, &sa.sa, &salen); | rlen = recvfrom(TASK_FD(task), b, sizeof b, MSG_PEEK, &sa.sa, &salen); |
if (rlen < 1) | if (rlen < sizeof(struct tagRPCCall)) { |
| rpc_SetErr(ERPCMISMATCH, "Short RPC packet"); |
goto end; |
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"); |
| usleep(2000); /* blocked client delay */ |
goto end; |
goto end; |
else { | } 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); |
c->cli_sock = TASK_FD(task); |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
memcpy(&c->cli_sa, &sa, sizeof c->cli_sa); |
memcpy(AIT_GET_BUF(&c->cli_buf), buf, AIT_LEN(&c->cli_buf)); | |
/* armed timer for close stateless connection */ |
/* armed timer for close stateless connection */ |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
schedCancelby(TASK_ROOT(task), taskTIMER, CRITERIA_DATA, c, NULL); |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
schedTimer(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
c, ts, c, 0); |
c, ts, c, 0); |
} |
} |
|
|
do { | /* 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; |
break; | for (; len > 0; len -= rlen, buf += rlen) { |
} else | if ((rlen = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
rpc = (struct tagRPCCall*) (AIT_GET_BUF(&c->cli_buf) + off); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
| if (rlen) |
len = ntohs(rpc->call_len); | LOGERR; |
rlen -= len; | else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
/* check RPC packet lengths */ | schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
if (rlen < 0 || len < sizeof(struct tagRPCCall)) { | c, 0, NULL, 0); |
rpc_SetErr(ERPCMISMATCH, "Broken RPC packet length"); | return NULL; |
/* skip entire packet */ | |
break; | |
} |
} |
| salen = sa.ss.ss_len = sizeof(sockaddr_t); |
/* check integrity of packet */ | rlen = recvfrom(TASK_FD(task), buf, len, 0, &sa.sa, &salen); |
crc = ntohs(rpc->call_crc); | if (rlen == -1) { |
rpc->call_crc ^= rpc->call_crc; | /* close connection */ |
if (crc != crcFletcher16((u_short*) rpc, len / 2)) { | schedEvent(TASK_ROOT(task), cbProto[srv->srv_proto][CB_CLOSECLIENT], |
rpc_SetErr(ERPCMISMATCH, "Bad CRC RPC packet"); | c, 0, NULL, 0); |
| return NULL; |
off += len; | |
/* try next packet remaining into buffer */ | |
continue; | |
} |
} |
|
if (e_addrcmp(&c->cli_sa, &sa, 42)) |
|
rlen ^= rlen; /* skip if arrive from different address */ |
|
} |
|
len = estlen; |
|
|
noreply = RPC_CHK_NOREPLY(rpc); | /* 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; |
| } |
|
|
/* check RPC packet session info */ | noreply = RPC_CHK_NOREPLY(rpc); |
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, off, NULL, 0); | |
} | |
|
|
/* send RPC reply */ | /* check RPC packet session info */ |
if (!noreply) | if (rpc_chkPktSession(&rpc->call_session, &srv->srv_session)) { |
schedWrite(TASK_ROOT(task), cbProto[srv->srv_proto][CB_TXPACKET], | rpc_SetErr(ERPCMISMATCH, "Get invalid RPC session"); |
c, TASK_FD(task), rpc, len); | |
|
|
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, 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: |
end: |
schedReadSelf(task); |
schedReadSelf(task); |
return NULL; |
return NULL; |
Line 563 rpc_freeBLOBCli(rpc_cli_t * __restrict c)
|
Line 633 rpc_freeBLOBCli(rpc_cli_t * __restrict c)
|
|
|
schedCancelby(s->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
schedCancelby(s->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
|
|
/* free buffer(s) */ | /* free buffer */ |
ait_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
|
|
array_Del(s->srv_blob.clients, c->cli_id, 0); |
array_Del(s->srv_blob.clients, c->cli_id, 0); |
if (c) |
if (c) |
Line 711 acceptBLOBClients(sched_task_t *task)
|
Line 781 acceptBLOBClients(sched_task_t *task)
|
rpc_cli_t *c = NULL; |
rpc_cli_t *c = NULL; |
register int i; |
register int i; |
socklen_t salen = sizeof(sockaddr_t); |
socklen_t salen = sizeof(sockaddr_t); |
|
int sock; |
#ifdef TCP_NOPUSH |
#ifdef TCP_NOPUSH |
int n = 1; |
int n = 1; |
#endif |
#endif |
Line 718 acceptBLOBClients(sched_task_t *task)
|
Line 789 acceptBLOBClients(sched_task_t *task)
|
/* check free slots for connect */ |
/* check free slots for connect */ |
for (i = 0; i < array_Size(srv->srv_blob.clients) && |
for (i = 0; i < array_Size(srv->srv_blob.clients) && |
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++); |
(c = array(srv->srv_blob.clients, i, rpc_cli_t*)); i++); |
if (c) /* no more free slots! */ | if (c) { /* no more free slots! */ |
| EVERBOSE(1, "BLOB client quota exceeded! Connection will be shutdown!\n"); |
| if ((sock = accept(TASK_FD(task), NULL, NULL)) != -1) { |
| shutdown(sock, SHUT_RDWR); |
| close(sock); |
| } |
goto end; |
goto end; |
|
} |
|
|
c = e_malloc(sizeof(rpc_cli_t)); |
c = e_malloc(sizeof(rpc_cli_t)); |
if (!c) { |
if (!c) { |
LOGERR; |
LOGERR; |
Line 732 acceptBLOBClients(sched_task_t *task)
|
Line 810 acceptBLOBClients(sched_task_t *task)
|
c->cli_parent = srv; |
c->cli_parent = srv; |
} |
} |
|
|
/* init buffer(s) */ | /* alloc empty buffer */ |
c->cli_buf = ait_allocVars(1); | AIT_SET_BUFSIZ(&c->cli_buf, 0, srv->srv_netbuf); |
if (!c->cli_buf) { | |
rpc_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); | |
array_Del(srv->srv_blob.clients, i, 42); | |
goto end; | |
} else | |
AIT_SET_BUFSIZ(array(c->cli_buf, 0, ait_val_t*), 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_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
array_Del(srv->srv_blob.clients, i, 42); |
array_Del(srv->srv_blob.clients, i, 42); |
goto end; |
goto end; |
} else { |
} else { |
Line 939 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
Line 1011 rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
|
close(c->cli_sock); |
close(c->cli_sock); |
|
|
schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
schedCancelby(srv->srv_blob.root, taskMAX, CRITERIA_ARG, c, NULL); |
ait_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
} |
} |
array_Del(srv->srv_blob.clients, i, 42); |
array_Del(srv->srv_blob.clients, i, 42); |
} |
} |
Line 1145 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
Line 1217 rpc_srv_loopServer(rpc_srv_t * __restrict srv)
|
|
|
schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
schedCancelby(srv->srv_root, taskMAX, CRITERIA_ARG, c, NULL); |
ait_freeVars(&RPC_RETVARS(c)); |
ait_freeVars(&RPC_RETVARS(c)); |
ait_freeVars(&c->cli_buf); | AIT_FREE_VAL(&c->cli_buf); |
} |
} |
array_Del(srv->srv_clients, i, 42); |
array_Del(srv->srv_clients, i, 42); |
} |
} |