version 1.2.4.3, 2011/08/19 13:03:06
|
version 1.16.4.1, 2015/07/02 17:52:53
|
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 | Copyright 2004 - 2015 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
|
|
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 46 SUCH DAMAGE.
|
Line 46 SUCH DAMAGE.
|
#include "global.h" |
#include "global.h" |
|
|
|
|
|
static void * |
|
toutBLOB(sched_task_t *task) |
|
{ |
|
rpc_srv_unregisterBLOB(TASK_DATA(task), ((rpc_blob_t*) TASK_ARG(task))->blob_var); |
|
|
|
return NULL; |
|
} |
|
|
|
|
/* |
/* |
* rpc_srv_blobCreate() Create map blob to memory region and return object | * rpc_srv_blobCreate() - Create and map blob to memory region and return object |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length object |
* @len = BLOB length object |
|
* @tout = BLOB live timeout in seconds |
* return: NULL error or !=NULL allocated BLOB object |
* return: NULL error or !=NULL allocated BLOB object |
*/ |
*/ |
inline rpc_blob_t * | rpc_blob_t * |
rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len) | rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len, int tout) |
{ |
{ |
rpc_blob_t *blob = NULL; |
rpc_blob_t *blob = NULL; |
char szFName[MAXPATHLEN]; |
char szFName[MAXPATHLEN]; |
int f; |
int f; |
u_int rnd; |
u_int rnd; |
|
struct timespec ts = { tout ? tout : DEF_RPC_BLOB_TIMEOUT, 0 }; |
|
|
#ifdef HAVE_SRANDOMDEV |
|
srandomdev(); |
|
#else |
|
time_t tim; |
|
|
|
srandom((time(&tim) ^ getpid())); |
|
#endif |
|
again: |
again: |
rnd = random() % UINT_MAX; |
rnd = random() % UINT_MAX; |
|
|
memset(szFName, 0, MAXPATHLEN); | memset(szFName, 0, sizeof szFName); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, rnd); | snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STRZ(&srv->srv_blob.dir), rnd); |
f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600); |
f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600); |
if (f == -1) { |
if (f == -1) { |
if (errno == EEXIST) |
if (errno == EEXIST) |
Line 80 again:
|
Line 85 again:
|
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
} |
} |
if (lseek(f, len - 1, SEEK_SET) == -1) { | if (ftruncate(f, len) == -1) { |
LOGERR; |
LOGERR; |
close(f); |
close(f); |
unlink(szFName); |
unlink(szFName); |
return NULL; |
return NULL; |
} else | } |
write(f, "", 1); | |
|
|
blob = malloc(sizeof(rpc_blob_t)); | blob = e_malloc(sizeof(rpc_blob_t)); |
if (!blob) { |
if (!blob) { |
LOGERR; |
LOGERR; |
close(f); |
close(f); |
Line 99 again:
|
Line 103 again:
|
blob->blob_data = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0); |
blob->blob_data = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0); |
if (blob->blob_data == MAP_FAILED) { |
if (blob->blob_data == MAP_FAILED) { |
LOGERR; |
LOGERR; |
free(blob); | e_free(blob); |
close(f); |
close(f); |
unlink(szFName); |
unlink(szFName); |
return NULL; |
return NULL; |
} else | } else { |
close(f); |
close(f); |
|
|
|
madvise(blob->blob_data, len, MADV_SEQUENTIAL); |
|
} |
|
|
blob->blob_len = len; |
blob->blob_len = len; |
blob->blob_var = rnd; |
blob->blob_var = rnd; |
|
|
|
schedTimer(srv->srv_blob.root, toutBLOB, blob, ts, srv, 0); |
return blob; |
return blob; |
} |
} |
|
|
/* |
/* |
* rpc_srv_blobMap() Map blob to memory region | * rpc_srv_blobMap() - Map blob to memory region |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Map to this BLOB element |
* @blob = Map to this BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
*/ |
*/ |
inline int | int |
rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob) |
rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob) |
{ |
{ |
int f; |
int f; |
char szFName[MAXPATHLEN]; |
char szFName[MAXPATHLEN]; |
|
|
if (!blob) { |
if (!blob) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid argument BLOB"); |
return -1; |
return -1; |
} |
} |
|
if (blob->blob_data) { |
|
rpc_SetErr(EPERM, "Already mmapped object found!"); |
|
return -1; |
|
} |
|
|
memset(szFName, 0, MAXPATHLEN); | memset(szFName, 0, sizeof szFName); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); | snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STRZ(&srv->srv_blob.dir), blob->blob_var); |
f = open(szFName, O_RDWR); |
f = open(szFName, O_RDWR); |
if (f == -1) { |
if (f == -1) { |
LOGERR; |
LOGERR; |
Line 152 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
Line 166 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
|
} |
} |
|
|
/* |
/* |
* rpc_srv_blobUnmap() Unmap blob memory region | * rpc_srv_blobUnmap() - Unmap blob memory region |
| * |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: none |
* return: none |
*/ |
*/ |
inline void | void |
rpc_srv_blobUnmap(rpc_blob_t * __restrict blob) |
rpc_srv_blobUnmap(rpc_blob_t * __restrict blob) |
{ |
{ |
if (!blob || !blob->blob_data) | if (blob && blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | |
else { | |
munmap(blob->blob_data, blob->blob_len); |
munmap(blob->blob_data, blob->blob_len); |
blob->blob_data = NULL; |
blob->blob_data = NULL; |
} |
} |
} |
} |
|
|
/* |
/* |
* rpc_srv_blobFree() Free blob from disk & memory | * rpc_srv_blobFree() - Free blob from disk & memory |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error or 0 ok |
* return: -1 error or 0 ok |
*/ |
*/ |
inline int | int |
rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob) |
rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob) |
{ |
{ |
char szFName[MAXPATHLEN]; |
char szFName[MAXPATHLEN]; |
|
|
if (!blob) { |
if (!blob) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid argument BLOB"); |
return -1; |
return -1; |
} | } else |
| |
if (blob->blob_data) | |
rpc_srv_blobUnmap(blob); |
rpc_srv_blobUnmap(blob); |
|
|
memset(szFName, 0, MAXPATHLEN); | schedCancelby(srv->srv_blob.root, taskTIMER, CRITERIA_ARG, blob, NULL); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); | |
| memset(szFName, 0, sizeof szFName); |
| snprintf(szFName, sizeof szFName, BLOB_FILE, AIT_GET_STRZ(&srv->srv_blob.dir), blob->blob_var); |
if (unlink(szFName) == -1) { |
if (unlink(szFName) == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
Line 196 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
Line 210 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
|
return 0; |
return 0; |
} |
} |
|
|
// ------------------------------------------------------------ | /* ------------------------------------------------------------ */ |
|
|
/* |
/* |
* rpc_srv_sendBLOB() Send mapped BLOB to client | * rpc_srv_sendBLOB() - Send mapped BLOB to client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error, 0 ok |
* return: -1 error, 0 ok |
Line 211 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 226 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
uint8_t *pos; |
uint8_t *pos; |
|
|
if (!cli || !blob || !blob->blob_data) { |
if (!cli || !blob || !blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
len = send(cli->cli_sock, pos, ret > BLOBSIZ ? BLOBSIZ : ret, 0); | len = send(cli->cli_sock, pos, ret, MSG_NOSIGNAL); |
if (len == -1) { |
if (len == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
Line 227 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 242 rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
} |
} |
|
|
/* |
/* |
* rpc_srv_recvBLOB() Receive BLOB from client | * rpc_srv_recvBLOB() - Receive BLOB from client |
| * |
* @cli = Client instance |
* @cli = Client instance |
* @blob = Mapped BLOB element |
* @blob = Mapped BLOB element |
* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
* return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
Line 237 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
Line 253 rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_
|
{ |
{ |
int ret, len; |
int ret, len; |
uint8_t *pos; |
uint8_t *pos; |
fd_set fds; | struct pollfd pfd; |
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; | |
|
|
if (!cli || !blob || !blob->blob_data) { |
if (!cli || !blob || !blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); | rpc_SetErr(EINVAL, "Invalid arguments"); |
return -1; |
return -1; |
} |
} |
|
|
|
pfd.fd = cli->cli_sock; |
|
pfd.events = POLLIN | POLLPRI; |
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) { |
FD_ZERO(&fds); | if ((len = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || |
FD_SET(cli->cli_sock, &fds); | pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) { |
len = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv); | if (len) |
if (len < 1) { | LOGERR; |
LOGERR; | else |
| rpc_SetErr(ETIMEDOUT, "Timeout reached! Server not respond"); |
return -1; |
return -1; |
} |
} |
|
|
len = recv(cli->cli_sock, pos, BLOBSIZ, 0); | len = recv(cli->cli_sock, pos, ret, 0); |
if (len == -1) { |
if (len == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} |
} |
} |
} |
|
|
return ret; |
|
} |
|
|
|
// ------------------------------------------------------------ |
|
|
|
/* |
|
* rpc_cli_sendBLOB() Send BLOB to server |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* @data = BLOB data |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
int |
|
rpc_cli_sendBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void * __restrict data) |
|
{ |
|
int ret, len; |
|
uint8_t *pos; |
|
struct tagBLOBHdr hdr; |
|
fd_set fds; |
|
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; |
|
|
|
if (!cli || !var || !data) { |
|
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
|
return -1; |
|
} |
|
|
|
memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t)); |
|
hdr.hdr_cmd = set; |
|
hdr.hdr_var = 0; |
|
hdr.hdr_ret = 0; |
|
hdr.hdr_len = var->val_len; |
|
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
|
|
for (ret = var->val_len, pos = data; ret > 0; ret -= len, pos += len) |
|
if ((len = send(cli->cli_sock, pos, ret > BLOBSIZ ? BLOBSIZ : ret, 0)) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
|
|
FD_ZERO(&fds); |
|
FD_SET(cli->cli_sock, &fds); |
|
switch (select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) { |
|
case -1: |
|
LOGERR; |
|
return -1; |
|
case 0: |
|
rpc_SetErr(ETIMEDOUT, "Error:: Timeout reached! Server not responde ...\n"); |
|
return -1; |
|
} |
|
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
if (hdr.hdr_cmd != error) { |
|
if (hdr.hdr_len != var->val_len) { |
|
rpc_SetErr(ECANCELED, "Error:: Bad return length packet ...\n"); |
|
return -1; |
|
} |
|
|
|
var->val.blob = hdr.hdr_var; |
|
} |
|
|
|
return hdr.hdr_cmd == error; |
|
} |
|
|
|
/* |
|
* rpc_cli_recvBLOB() Receive BLOB from server |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* @data = BLOB data, must be free after use! |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
int |
|
rpc_cli_recvBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data) |
|
{ |
|
int ret, len; |
|
uint8_t *pos; |
|
fd_set fds; |
|
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; |
|
struct tagBLOBHdr hdr; |
|
|
|
if (!cli || !var || !data) { |
|
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
|
return -1; |
|
} |
|
|
|
*data = malloc(var->val_len); |
|
if (!*data) { |
|
LOGERR; |
|
return -1; |
|
} else |
|
memset(*data, 0, var->val_len); |
|
|
|
memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t)); |
|
hdr.hdr_cmd = get; |
|
hdr.hdr_var = (uint32_t) RPC_GET_BLOB(var); |
|
hdr.hdr_ret = 0; |
|
hdr.hdr_len = 0; |
|
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
|
|
for (ret = var->val_len, pos = *data; ret > 0; ret -= len, pos += len) { |
|
FD_ZERO(&fds); |
|
FD_SET(cli->cli_sock, &fds); |
|
len = select(cli->cli_sock + 1, &fds, NULL, NULL, &tv); |
|
if (len < 1) { |
|
LOGERR; |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
|
|
if ((len = recv(cli->cli_sock, pos, BLOBSIZ, 0)) == -1) { |
|
LOGERR; |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
} |
|
|
|
FD_ZERO(&fds); |
|
FD_SET(cli->cli_sock, &fds); |
|
switch (select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) { |
|
case -1: |
|
LOGERR; |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
case 0: |
|
rpc_SetErr(ETIMEDOUT, "Error:: Timeout reached! Server not responde ...\n"); |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
if (hdr.hdr_cmd != error) { |
|
if (hdr.hdr_len != var->val_len) { |
|
rpc_SetErr(ECANCELED, "Error:: Bad return length packet ...\n"); |
|
free(*data); |
|
*data = NULL; |
|
return -1; |
|
} |
|
} |
|
|
|
return hdr.hdr_cmd == error; |
|
} |
|
|
|
/* |
|
* rpc_cli_delBLOB() Delete BLOB from server |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
int |
|
rpc_cli_delBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var) |
|
{ |
|
struct tagBLOBHdr hdr; |
|
fd_set fds; |
|
struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; |
|
|
|
if (!cli || !var) { |
|
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
|
return -1; |
|
} |
|
|
|
memcpy(&hdr.hdr_session, cli->cli_parent, sizeof(rpc_sess_t)); |
|
hdr.hdr_cmd = unset; |
|
hdr.hdr_var = (uint32_t) RPC_GET_BLOB(var); |
|
hdr.hdr_ret = 0; |
|
hdr.hdr_len = 0; |
|
if (send(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
|
|
FD_ZERO(&fds); |
|
FD_SET(cli->cli_sock, &fds); |
|
switch (select(cli->cli_sock + 1, &fds, NULL, NULL, &tv)) { |
|
case -1: |
|
LOGERR; |
|
return -1; |
|
case 0: |
|
rpc_SetErr(ETIMEDOUT, "Error:: Timeout reached! Server not responde ...\n"); |
|
return -1; |
|
} |
|
if (recv(cli->cli_sock, &hdr, sizeof hdr, 0) == -1) { |
|
LOGERR; |
|
return -1; |
|
} |
|
|
|
return hdr.hdr_cmd == error; |
|
} |
|
|
|
/* |
|
* rpc_cli_getBLOB() Receive BLOB from server and Delete after that |
|
* @cli = Client instance |
|
* @var = BLOB variable |
|
* @data = BLOB data, must be free after use! |
|
* return: -1 error, 0 ok, 1 remote error |
|
*/ |
|
inline int |
|
rpc_cli_getBLOB(rpc_cli_t * __restrict cli, rpc_val_t * __restrict var, void ** data) |
|
{ |
|
int ret; |
|
|
|
ret = rpc_cli_recvBLOB(cli, var, data); |
|
ret |= rpc_cli_delBLOB(cli, var) > 0 ? 2 : 0; |
|
|
|
return ret; |
return ret; |
} |
} |