c-ipfs/cmd/ipfs/init.c

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#include <stdlib.h>
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#include <stdio.h>
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#include "ipfs/cmd/ipfs/init.h"
#include "ipfs/commands/command_option.h"
//#include "ipfs/commands/request.h"
#include "ipfs/os/utils.h"
#include "ipfs/core/ipfs_node.h"
#include "ipfs/core/builder.h"
#include "ipfs/repo/config/config.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
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const int nBitsForKeypairDefault = 2048;
/***
* runs before major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_pre_run(struct Request* request) {
//TODO: make sure daemon is not running
return 0;
}
int initialize_ipns_keyspace(char* repo_root) {
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//TODO: open fs repo
struct FSRepo repo;
// get the path
int retVal = fs_repo_open(repo_root, &repo);
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//TODO: make a new node, then close it
//TODO: setup offline routing on new node
struct IpfsNode* ipfs_node;
struct Context* ctx;
struct BuildCfg* bld_cfg;
//TODO: see line 185 of init.go, what does core.BldCfg{Repo: r} do? BldCfg is a structure
retVal = core_builder_new_node(ctx, bld_cfg, ipfs_node);
//return namesys_initialize_keyspace(ctx, ipfs_node->DAG, ipfs_node->Namesys, ipfs_node->pinning, ipfs_node->private_key);
return 0;
}
/**
* called by init_run, to do the heavy lifting
* @param out_file an output stream (stdout)
* @param repo_root a string
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* @param empty true(1) if empty, false(0) if not
* @param num_bits_for_keypair number of bits for key pair
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* @param conf the configuration struct
* @returns 0 on error, 1 on success
*/
int do_init(FILE* out_file, char* repo_root, int empty, int num_bits_for_keypair, struct RepoConfig* conf) {
// make sure the directory is writable
if (!os_utils_directory_writeable(repo_root))
return 0;
// verify that it is not already initialized
if (!fs_repo_is_initialized(repo_root))
return 0;
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//TODO: If the conf is null, make one
if (conf == NULL)
repo_config_init(conf, num_bits_for_keypair, repo_root);
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//TODO: initialize the fs repo
//TODO: add default assets
return initialize_ipns_keyspace(repo_root);
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}
/***
* does major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_run(struct Request* request) {
// TODO: make sure offline
// TODO: check parameters for logic errors
// TODO: Initialize
struct RepoConfig conf;
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// TODO: handle files in request
// do the heavy lifting
int num_bits_for_key_pair = request->cmd->options[1]->default_int_val;
do_init(stdout, request->invoc_context->config_root, 1, num_bits_for_key_pair, &conf);
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return 0;
}
/***
* does the cleanup after major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_post_run(struct Request* request) {
// nothing to do
return 1;
}
int get_init_command(struct Command* cmd) {
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// help text
cmd->help_text.tagline = "Initializes IPFS config file.";
cmd->help_text.short_description = "\nInitializes IPFS configuration files and generates a new keypair.\n\nipfs uses a repository in the local file system. By default, the repo is\nlocated at ~/.ipfs. To change the repo location, set the $IPFS_PATH\nenvironment variable.:\n\n export IPFS_PATH=/path/to/ipfsrepo";
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cmd->argument_count = 1;
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cmd->option_count = 2;
init_command(cmd);
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// allocate memory for array of pointers
int retVal = init_string_argument(cmd->arguments[0], "default-config", 0, 0, "Initialize with the given configuration");
cmd->arguments[0]->enable_stdin = 1;
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// options
cmd->options[0]->name_count = 2;
retVal = init_command_option(cmd->options[0], "Number of bits to use in the generated RSA private key");
cmd->options[0]->names[0] = "bits";
cmd->options[0]->names[1] = "b";
cmd->options[0]->kind = integer;
cmd->options[0]->default_int_val = nBitsForKeypairDefault;
cmd->options[1]->name_count = 2;
retVal = init_command_option(cmd->options[1], "Don't add and pin help files to the local storage");
cmd->options[1]->default_bool_val = 0;
cmd->options[1]->names[0] = "empty-repo";
cmd->options[1]->names[1] = "e";
// function pointers
cmd->pre_run = init_pre_run;
cmd->run = init_run;
cmd->post_run = init_post_run;
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return retVal;
}
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