98 lines
3 KiB
C
98 lines
3 KiB
C
/***
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* handles a repo on the file system
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*/
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#ifndef fs_repo_h
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#define fs_repo_h
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#include <stdio.h>
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#include "ipfs/repo/config/config.h"
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#include "ipfs/unixfs/unixfs.h"
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#include "ipfs/merkledag/node.h"
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#include "ipfs/blocks/block.h"
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/**
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* a structure to hold the repo info
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*/
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struct FSRepo {
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int closed;
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char* path;
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struct IOCloser* lock_file;
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struct RepoConfig* config;
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};
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/**
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* opens a fsrepo
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* @param repo the repo struct. Should contain the path. This method will do the rest
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* @return 0 if there was a problem, otherwise 1
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*/
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int ipfs_repo_fsrepo_open(struct FSRepo* repo);
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/***
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* checks to see if the repo is initialized
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* @param repo_path the path to the repo
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* @returns true(1) if it is initialized, otherwise false(0)
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*/
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int fs_repo_is_initialized(char* repo_path);
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/**
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* write the config file to disk
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* @param path the path to the file
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* @param config the config structure
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* @returns true(1) on success
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*/
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int fs_repo_write_config_file(char* path, struct RepoConfig* config);
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/**
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* constructs the FSRepo struct.
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* Remember: ipfs_repo_fsrepo_free must be called
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* @param repo_path the path to the repo
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* @param config the optional config file. NOTE: if passed, fsrepo_free will free resources of the RepoConfig.
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* @param repo the struct to allocate memory for
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* @returns false(0) if something bad happened, otherwise true(1)
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*/
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int ipfs_repo_fsrepo_new(const char* repo_path, struct RepoConfig* config, struct FSRepo** fs_repo);
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/***
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* Free all resources used by this struct
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* @param repo the repo to clean up
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* @returns true(1) on success
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*/
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int ipfs_repo_fsrepo_free(struct FSRepo* config);
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/***
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* Initialize a new repo with the specified configuration
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* @param config the information in order to build the repo
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* @returns true(1) on success
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*/
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int ipfs_repo_fsrepo_init(struct FSRepo* config);
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/***
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* Write a block to the datastore and blockstore
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* @param block the block to write
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* @param fs_repo the repo to write to
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* @returns true(1) on success
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*/
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int ipfs_repo_fsrepo_block_write(struct Block* block, const struct FSRepo* fs_repo);
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int ipfs_repo_fsrepo_block_read(const unsigned char* hash, size_t hash_length, struct Block** block, const struct FSRepo* fs_repo);
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/***
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* Write a unixfs to the datastore and blockstore
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* @param unix_fs the struct to write
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* @param fs_repo the repo to write to
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* @returns true(1) on success
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*/
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int ipfs_repo_fsrepo_unixfs_write(const struct UnixFS* unix_fs, const struct FSRepo* fs_repo, size_t* bytes_written);
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int ipfs_repo_fsrepo_unixfs_read(const unsigned char* hash, size_t hash_length, struct UnixFS** unix_fs, const struct FSRepo* fs_repo);
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/***
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* Write a struct Node to the datastore and blockstore
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* @param node the struct to write
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* @param fs_repo the repo to write to
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* @returns true(1) on success
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*/
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int ipfs_repo_fsrepo_node_write(const struct HashtableNode* unix_fs, const struct FSRepo* fs_repo, size_t* bytes_written);
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int ipfs_repo_fsrepo_node_read(const unsigned char* hash, size_t hash_length, struct HashtableNode** node, const struct FSRepo* fs_repo);
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#endif /* fs_repo_h */
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