STATIC_ROUTINE int CopyFile(char *src, char *dst, int dont_replace) { /* int status=0; char *cmd = (char *)malloc(strlen(src)+strlen(dst) + 100); sprintf(cmd,"cp %s %s",src,dst); status = system(cmd); if (status != 0) printf("Error creating pulse with command: %s, status = %d\n",cmd,status); else { sprintf(cmd,"SetMdsplusFileProtection %s 2> /dev/null",dst); system(cmd); } free(cmd); return status == 0; */ int status = TreeFAILURE; int src_fd = MDS_IO_OPEN(src,O_RDONLY | O_BINARY | O_RANDOM, 0); if (src_fd != -1) { off_t src_len = MDS_IO_LSEEK(src_fd, 0, SEEK_END); int dst_fd = MDS_IO_OPEN(dst,O_RDWR | O_CREAT | O_TRUNC, 0664); if (dst_fd != -1) { MDS_IO_LSEEK(src_fd, 0, SEEK_SET); MDS_IO_LOCK(src_fd,0,src_len,1); if (src_len > 0) { void *buff = malloc(src_len); size_t bytes_read = MDS_IO_READ(src_fd,buff,(size_t)src_len); if (bytes_read == src_len) { int bytes_written = MDS_IO_WRITE(dst_fd,buff,(size_t)src_len); if (bytes_written == src_len) status = TreeSUCCESS; } if (buff) free(buff); } else if (src_len == 0) status = TreeSUCCESS; MDS_IO_LOCK(src_fd,0,src_len,0); MDS_IO_CLOSE(dst_fd); } MDS_IO_CLOSE(src_fd); } return status; }
STATIC_ROUTINE int _CopyFile(char *src, char *dst, int lock_it) { int status = TreeFAILURE; int src_fd = MDS_IO_OPEN(src,O_RDONLY | O_BINARY | O_RANDOM, 0); if (src_fd != -1) { ssize_t src_len = MDS_IO_LSEEK(src_fd, 0, SEEK_END); int dst_fd = MDS_IO_OPEN(dst,O_RDWR | O_CREAT | O_TRUNC, 0664); if ((dst_fd != -1) && (src_len != -1)) { MDS_IO_LSEEK(src_fd, 0, SEEK_SET); if (lock_it) MDS_IO_LOCK(src_fd,0,(int)src_len,MDS_IO_LOCK_RD,0); if (src_len > 0) { size_t chunk_size = (size_t)(MIN(MAX_CHUNK, src_len)); void *buff = malloc(chunk_size); size_t bytes_to_go = (size_t)src_len; while(bytes_to_go > 0) { size_t io_size = MIN(bytes_to_go, chunk_size); ssize_t bytes_read = MDS_IO_READ(src_fd,buff,io_size); if (bytes_read == io_size) { ssize_t bytes_written = MDS_IO_WRITE(dst_fd,buff,io_size); if (bytes_written != io_size) break; } bytes_to_go -= io_size; } if (buff) free(buff); if (bytes_to_go == 0) status = TreeSUCCESS; } else if (src_len == 0) status = TreeSUCCESS; if (lock_it) MDS_IO_LOCK(src_fd,0,(int)src_len,MDS_IO_LOCK_NONE,0); MDS_IO_CLOSE(dst_fd); } MDS_IO_CLOSE(src_fd); } return status; }
int TreeUnLockNci(TREE_INFO *info, int readonly, int nodenum) { int status = MDS_IO_LOCK(readonly ? info->nci_file->get : info->nci_file->put,nodenum * 42,42,MDS_IO_LOCK_NONE,0); UnlockMdsShrMutex(&NCIMutex); return status; }
int TreeLockNci(TREE_INFO *info, int readonly, int nodenum, int *deleted) { int status = MDS_IO_LOCK(readonly ? info->nci_file->get : info->nci_file->put, nodenum * 42,42,readonly ? MDS_IO_LOCK_RD : MDS_IO_LOCK_WRT,deleted); LockMdsShrMutex(&NCIMutex,&NCIMutex_initialized); return status; }