#include "global.h"
/*
* rpc_srv_blobMap() Map blob to memory region
* @srv = RPC Server instance
* @blob = Map to this BLOB element
* return: -1 error or 0 ok
*/
inline int
rpc_srv_blobMap(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob)
{
int f;
struct stat sb;
char szFName[MAXPATHLEN];
if (!blob) {
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n");
return -1;
}
memset(szFName, 0, MAXPATHLEN);
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var);
f = open(szFName, O_RDONLY);
if (f == -1) {
LOGERR;
return -1;
}
if (fstat(f, &sb) == -1) {
LOGERR;
close(f);
return -1;
}
blob->blob_data = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, f, 0);
if (blob->blob_data == MAP_FAILED) {
LOGERR;
close(f);
blob->blob_data = NULL;
return -1;
} else {
blob->blob_len = sb.st_size;
close(f);
}
return 0;
}
/*
* rpc_srv_blobUnmap() Unmap blob memory region
* @blob = Mapped BLOB element
* return: none
*/
inline void
rpc_srv_blobUnmap(rpc_blob_t * __restrict blob)
{
if (!blob || !blob->blob_data)
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n");
else {
munmap(blob->blob_data, blob->blob_len);
blob->blob_data = NULL;
blob->blob_len = 0;
}
}
/*
* rpc_srv_blobFree() Free blob from disk & memory
* @srv = RPC Server instance
* @blob = Mapped BLOB element
* return: -1 error or 0 ok
*/
inline int
rpc_srv_blobFree(rpc_srv_t * __restrict srv, rpc_blob_t * __restrict blob)
{
char szFName[MAXPATHLEN];
if (!blob) {
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n");
return -1;
}
if (blob->blob_data)
rpc_srv_blobUnmap(blob);
memset(szFName, 0, MAXPATHLEN);
snprintf(szFName, MAXPATHLEN, BLOB_FILE, srv->srv_blob.dir, blob->blob_var);
if (remove(szFName) == -1) {
LOGERR;
return -1;
}
return 0;
}
// ------------------------------------------------------------
int
rpc_srv_sendBLOB(rpc_cli_t * __restrict cli, rpc_blob_t *blob)
{
int ret = 0;
uint8_t buf[BLOBSIZ];
if (!cli || !blob) {
rpc_SetErr(EINVAL, "Error:: invalid arguments ...\n");
return -1;
}
do {
} while (ret);
return blob->blob_len;
}
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