version 1.1.2.2, 2010/06/23 16:23:31
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version 1.1.2.11, 2010/07/08 07:32:53
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Line 2
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/* |
/* |
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* rpc_srv_blobCreate() Create map blob to memory region and return object |
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* @srv = RPC Server instance |
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* @len = BLOB length object |
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* return: NULL error or !=NULL allocated BLOB object |
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*/ |
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inline rpc_blob_t * |
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rpc_srv_blobCreate(rpc_srv_t * __restrict srv, int len) |
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{ |
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rpc_blob_t *blob = NULL; |
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char szFName[MAXPATHLEN]; |
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int f; |
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u_int rnd; |
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srandomdev(); |
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srandom(getpid() ^ time(NULL)); |
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again: |
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rnd = random() % UINT_MAX; |
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memset(szFName, 0, MAXPATHLEN); |
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snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, rnd); |
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f = open(szFName, O_CREAT | O_EXCL | O_RDWR, 0600); |
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if (f == -1) { |
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if (errno == EEXIST) |
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goto again; |
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LOGERR; |
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return NULL; |
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} |
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if (lseek(f, len - 1, SEEK_SET) == -1) { |
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LOGERR; |
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close(f); |
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unlink(szFName); |
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return NULL; |
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} else |
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write(f, "", 1); |
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blob = malloc(sizeof(rpc_blob_t)); |
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if (!blob) { |
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LOGERR; |
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close(f); |
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unlink(szFName); |
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return NULL; |
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} |
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blob->blob_data = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0); |
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if (blob->blob_data == MAP_FAILED) { |
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LOGERR; |
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free(blob); |
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close(f); |
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unlink(szFName); |
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return NULL; |
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} else |
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close(f); |
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blob->blob_len = len; |
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blob->blob_var = rnd; |
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return blob; |
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} |
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/* |
* 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 |
Line 21 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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Line 81 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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memset(szFName, 0, MAXPATHLEN); |
memset(szFName, 0, MAXPATHLEN); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); |
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var); |
f = open(szFName, O_RDONLY); | f = open(szFName, O_RDWR); |
if (f == -1) { |
if (f == -1) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
Line 32 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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Line 92 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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return -1; |
return -1; |
} |
} |
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blob->blob_data = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, f, 0); | blob->blob_data = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, f, 0); |
if (blob->blob_data == MAP_FAILED) { |
if (blob->blob_data == MAP_FAILED) { |
LOGERR; |
LOGERR; |
close(f); |
close(f); |
Line 41 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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Line 101 rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t
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} else { |
} else { |
blob->blob_len = sb.st_size; |
blob->blob_len = sb.st_size; |
close(f); |
close(f); |
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madvise(blob->blob_data, sb.st_size, MADV_SEQUENTIAL); |
} |
} |
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return 0; |
return 0; |
Line 94 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
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Line 156 rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_
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// ------------------------------------------------------------ |
// ------------------------------------------------------------ |
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/* |
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* rpc_srv_sendBLOB() Send mapped BLOB to client |
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* @cli = Client instance |
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* @blob = Mapped BLOB element |
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* return: -1 error, 0 ok |
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*/ |
int |
int |
rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t *blob) | rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob) |
{ |
{ |
int ret = 0; | int ret, len; |
uint8_t buf[BLOBSIZ]; | uint8_t *pos; |
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if (!cli || !blob) { | if (!cli || !blob || !blob->blob_data) { |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
return -1; |
return -1; |
} |
} |
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do { | for (ret = blob->blob_len, pos = blob->blob_data; ret > 0; ret -= len, pos += len) |
} while (ret); | if ((len = send(cli->cli_sock, pos, ret > BLOBSIZ ? BLOBSIZ : ret, 0)) == -1) { |
| LOGERR; |
| return -1; |
| } |
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return blob->blob_len; | return ret; |
| } |
| |
| /* |
| * rpc_srv_recvBLOB() Receive BLOB from client |
| * @cli = Client instance |
| * @blob = Mapped BLOB element |
| * return: -1 error, 0 ok, >0 unreceived data from client, may be error? |
| */ |
| int |
| rpc_srv_recvBLOB(rpc_cli_t * __restrict cli, rpc_blob_t * __restrict blob) |
| { |
| int ret, len; |
| uint8_t *pos; |
| fd_set fds; |
| struct timeval tv = { DEF_RPC_TIMEOUT, 0 }; |
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| if (!cli || !blob || !blob->blob_data) { |
| rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n"); |
| return -1; |
| } |
| |
| for (ret = blob->blob_len, pos = blob->blob_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; |
| return -1; |
| } |
| |
| if ((len = recv(cli->cli_sock, pos, BLOBSIZ, 0)) == -1) { |
| LOGERR; |
| return -1; |
| } |
| } |
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| return ret; |
| } |
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| // ------------------------------------------------------------ |
| |
| /* |
| * 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(EBADMSG, "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; |
| } |
| } |
| printf("get all bytes ret=%d *data=%s", ret, *data); |
| |
| 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(EBADMSG, "Error:: Bad return length packet ...\n"); |
| free(*data); |
| *data = NULL; |
| return -1; |
| } |
| } |
| |
| return hdr.hdr_cmd == error; |
} |
} |