169 lines
3.5 KiB
C
169 lines
3.5 KiB
C
#include <dirent.h>
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#include <sys/stat.h>
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#include <string.h>
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#include "ipfs/repo/init.h"
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#include "ipfs/repo/fsrepo/fs_repo.h"
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#include "libp2p/os/utils.h"
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/***
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* Helper to create a test file in the OS
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*/
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int create_file(const char* fileName, unsigned char* bytes, size_t num_bytes) {
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FILE* file = fopen(fileName, "wb");
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fwrite(bytes, num_bytes, 1, file);
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fclose(file);
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return 1;
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}
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/***
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* Create a buffer with some data
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*/
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int create_bytes(unsigned char* buffer, size_t num_bytes) {
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int counter = 0;
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for(int i = 0; i < num_bytes; i++) {
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buffer[i] = counter++;
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if (counter > 15)
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counter = 0;
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}
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return 1;
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}
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/***
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* Remove a directory and everything in it
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* @param path the directory to remove
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* @returns true(1) on success, otherwise false(0)
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*/
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int remove_directory(const char *path)
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{
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DIR *d = opendir(path);
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size_t path_len = strlen(path);
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int r = -1;
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if (d)
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{
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struct dirent *p;
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r = 1;
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while (r && (p=readdir(d)))
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{
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int r2 = -1;
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char *buf;
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size_t len;
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/* Skip the names "." and ".." as we don't want to recurse on them. */
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if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
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{
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continue;
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}
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len = path_len + strlen(p->d_name) + 2;
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buf = malloc(len);
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if (buf)
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{
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struct stat statbuf;
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snprintf(buf, len, "%s/%s", path, p->d_name);
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if (!stat(buf, &statbuf))
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{
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if (S_ISDIR(statbuf.st_mode))
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{
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r2 = remove_directory(buf);
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}
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else
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{
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r2 = !unlink(buf);
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}
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}
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free(buf);
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}
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r = r2;
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}
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closedir(d);
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}
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if (r)
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{
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r = !rmdir(path);
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}
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return r;
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}
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/***
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* Drop a repository by removing the directory
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*/
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int drop_repository(const char* path) {
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if (os_utils_file_exists(path)) {
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return remove_directory(path);
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/*
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// the config file
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if (!os_utils_filepath_join(path, "config", currDirectory, 1024))
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return 0;
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unlink(currDirectory);
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// the datastore directory
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if (!os_utils_filepath_join(path, "datastore", currDirectory, 1024))
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return 0;
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if (!remove_directory(currDirectory))
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return 0;
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// the blockstore directory
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if (!os_utils_filepath_join(path, "blockstore", currDirectory, 1024))
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return 0;
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if (!remove_directory(currDirectory))
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return 0;
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return remove_directory(path);
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*/
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}
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return 1;
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}
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/**
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* drops and builds a repository at the specified path
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* @param path the path
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* @param swarm_port the port that the swarm should run on
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* @param bootstrap_peers a vector of fellow peers as MultiAddresses, can be NULL
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* @param peer_id a place to store the generated peer id
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* @returns true(1) on success, otherwise false(0)
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*/
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int drop_and_build_repository(const char* path, int swarm_port, struct Libp2pVector* bootstrap_peers, char **peer_id) {
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if (os_utils_file_exists(path)) {
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if (!drop_repository(path)) {
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return 0;
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}
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}
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mkdir(path, S_IRWXU);
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return make_ipfs_repository(path, swarm_port, bootstrap_peers, peer_id);
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}
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int drop_build_and_open_repo(const char* path, struct FSRepo** fs_repo) {
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if (!drop_and_build_repository(path, 4001, NULL, NULL))
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return 0;
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if (!ipfs_repo_fsrepo_new(path, NULL, fs_repo))
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return 0;
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if (!ipfs_repo_fsrepo_open(*fs_repo)) {
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free(*fs_repo);
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*fs_repo = NULL;
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return 0;
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}
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return 1;
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}
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