c-ipfs/test/storage/test_datastore.h

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#include "libp2p/crypto/encoding/base32.h"
#include "ipfs/datastore/ds_helper.h"
#include "ipfs/blocks/block.h"
#include "ipfs/repo/config/config.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
#include <dirent.h>
#include <sys/stat.h>
int remove_directory(const char *path)
{
DIR *d = opendir(path);
size_t path_len = strlen(path);
int r = -1;
if (d)
{
struct dirent *p;
r = 0;
while (!r && (p=readdir(d)))
{
int r2 = -1;
char *buf;
size_t len;
/* Skip the names "." and ".." as we don't want to recurse on them. */
if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
{
continue;
}
len = path_len + strlen(p->d_name) + 2;
buf = malloc(len);
if (buf)
{
struct stat statbuf;
snprintf(buf, len, "%s/%s", path, p->d_name);
if (!stat(buf, &statbuf))
{
if (S_ISDIR(statbuf.st_mode))
{
r2 = remove_directory(buf);
}
else
{
r2 = unlink(buf);
}
}
free(buf);
}
r = r2;
}
closedir(d);
}
if (!r)
{
r = rmdir(path);
}
return r;
}
int make_ipfs_repository(struct FSRepo* fs_repo) {
int retVal;
struct RepoConfig* repo_config;
unlink("/tmp/.ipfs/config");
remove_directory("/tmp/.ipfs/datastore");
remove_directory("/tmp/.ipfs/blockstore");
// build a default repo config
retVal = ipfs_repo_config_new(&repo_config);
if (retVal == 0)
return 0;
retVal = ipfs_repo_config_init(repo_config, 2048, "/tmp/.ipfs");
if (retVal == 0)
return 0;
// now the fs_repo
retVal = ipfs_repo_fsrepo_new("/tmp/.ipfs", repo_config, &fs_repo);
if (retVal == 0)
return 0;
// this builds a new repo
retVal = ipfs_repo_fsrepo_init(fs_repo);
if (retVal == 0)
return 0;
// clean up
ipfs_repo_fsrepo_free(fs_repo);
// this is cleaned up by fsrepo_free
//ipfs_repo_config_free(repo_config);
// make sure the repository exists
retVal = os_utils_file_exists("/tmp/.ipfs/config");
return retVal;
}
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/**
* create a repository and put a record in the datastore and a block in the blockstore
*/
int test_ipfs_datastore_put() {
struct Block* block;
int retVal;
const unsigned char* input = "Hello, world!";
// build the ipfs repository, then shut it down, so we can start fresh
struct FSRepo* fs_repo;
retVal = make_ipfs_repository(fs_repo);
if (retVal == 0)
return 0;
// build the block
retVal = ipfs_blocks_block_new(input, strlen((char*)input), &block);
if (retVal == 0)
return 0;
// generate the key
size_t key_length = libp2p_crypto_encoding_base32_encode_size(block->data_length);
unsigned char key[key_length];
retVal = ipfs_datastore_helper_ds_key_from_binary(block->data, block->data_length, &key[0], key_length, &key_length);
if (retVal == 0)
return 0;
// open the repository
retVal = ipfs_repo_fsrepo_new("/tmp/.ipfs", NULL, &fs_repo);
if (retVal == 0)
return 0;
retVal = ipfs_repo_fsrepo_open(fs_repo);
if (retVal == 0)
return 0;
// send to Put with key
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retVal = fs_repo->config->datastore->datastore_put(key, key_length, block->data, block->data_length, fs_repo->config->datastore);
if (retVal == 0)
return 0;
// save the block
// check the results
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// clean up
ipfs_repo_fsrepo_free(fs_repo);
ipfs_blocks_block_free(block);
return 1;
}