More buildout of necessary structs

Makefile

@@ -1,11 +1,15 @@
 all:
-	cd repo; make all;
 	cd cmd; make all;
 	cd commands; make all;
+	cd core; make all;
+	cd os; make all;
+	cd repo; make all;
 	cd test; make all;
 	
 clean:
-	cd repo; make clean;
 	cd cmd; make clean;
 	cd commands; make clean;
-	cd test; make clean;
+	cd core; make clean;
+	cd os; make clean;
+	cd repo; make clean;
+	cd test; make clean;

cmd/ipfs/Makefile

@@ -10,7 +10,7 @@ OBJS = init.o main.o ../../commands/argument.o
 ipfs: $(OBJS)
 	$(CC) -o $@ $^ $(LFLAGS)
 	
-all: ipfs
+all: $(DEPS)
 
 clean:
 	rm -f *.o

cmd/ipfs/init.c

@@ -1,30 +1,117 @@
 #include <stdlib.h>
+#include <stdio.h>
 
 #include "init.h"
+#include "../../commands/command_option.h"
+#include "../../commands/request.h"
+#include "../../core/ipfs_node.h"
+#include "../../core/builder.h"
+#include "../../repo/config/config.h"
+#include "../../repo/fsrepo/fs_repo.h"
 
-int get_init_command(struct command* cmd) {
+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* repoRoot) {
+	//TODO: open fs repo
+	struct FSRepo repo;
+	int retVal = fs_repo_open(repoRoot, &repo);
+	//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 outFile an output stream (stdout)
+ * @param repoRoot a string
+ * @param empty true(1) if empty, false(0) if not
+ * @param nBitsForKeyPair number of bits for key pair
+ * @param conf the configuration struct
+ * @returns 0 on error, 1 on success
+ */
+int do_init(FILE* outFile, char* repoRoot, int empty, int nBitsForKeyPair, struct Config* conf) {
+	//TODO: verify that it is not already initialized
+	//TODO: If the conf is null, make one
+	//TODO: initialize the fs repo
+	//TODO: add default assets
+	return initialize_ipns_keyspace(repoRoot);
+}
+
+/***
+ * 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 Config conf;
+	// TODO: handle files in request
+	// do the heavy lifting
+	int nBitsForKeyPair = request->cmd->options[1]->default_int_val;
+	do_init(stdout, request->invoc_context->config_root, 1, nBitsForKeyPair, &conf);
+	
+	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) {
 	// 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";
 
-	// arguments
-	// initialize an array of arguments with size of 1
 	cmd->argument_count = 1;
+	cmd->option_count = 2;
+	init_command(cmd);
 	// allocate memory for array of pointers
-	cmd->arguments = malloc(cmd->argument_count * sizeof(struct argument*));
-	if (cmd->arguments == NULL)
-		return 0;
-	// allocate memory for argument
-	cmd->arguments[0] = malloc(sizeof(struct argument));
 	int retVal = init_string_argument(cmd->arguments[0], "default-config", 0, 0, "Initialize with the given configuration");
 	cmd->arguments[0]->enable_stdin = 1;
 	
+	// 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;
+	
 	return retVal;
 }
 
-int uninit_command(struct command* cmd) {
-	for(int i = 0; i < cmd->argument_count; i++)
-		uninit_argument(cmd->arguments[i]);
-	free(cmd->arguments);
-	return 0;
-}
+

cmd/ipfs/init.h

@@ -11,13 +11,13 @@
  * @param command the struct to fill
  * @returns 0 on failure, otherwise 1
  */
-int get_init_command(struct command* command);
+int get_init_command(struct Command* command);
 
 /***
  * Uninitializes all the dynamic memory caused by get_init_command
  * @param command the struct
  * @returns 0 on failure, otherwise 1
  */
-int uninit_command(struct command* command);
+int uninit_command(struct Command* command);
 
 #endif

commands/Makefile

@@ -1,13 +1,15 @@
 CC = gcc
 CFLAGS = -O0
 LFLAGS = 
-DEPS = argument.h command.h
-OBJS = argument.o
+DEPS = argument.h command.h request.h command_option.h
+OBJS = argument.o command.o command_option.o
 
 %.o: %.c $(DEPS)
 	$(CC) -c -o $@ $< $(CFLAGS)
 
 all: $(OBJS)
+	cd cli; make all;
 
 clean:
-	rm -f *.o
+	rm -f *.o
+	cd cli; make clean;

commands/argument.c

@@ -3,11 +3,11 @@
 
 #include "argument.h"
 
-int uninit_argument(struct argument* argument) {
+int uninit_argument(struct Argument* argument) {
 	return 1;
 }
 
-int init_argument(struct argument* argument, char* name, int required, int variadic, char* description) {
+int init_argument(struct Argument* argument, char* name, int required, int variadic, char* description) {
 	argument->name = name;
 	argument->required = required;
 	argument->variadic = variadic;
@@ -15,14 +15,14 @@ int init_argument(struct argument* argument, char* name, int required, int varia
 	return 1;
 }
 
-int init_string_argument(struct argument* argument, char* name, int required, int variadic, char* description) {
+int init_string_argument(struct Argument* argument, char* name, int required, int variadic, char* description) {
 	int retVal = init_argument(argument, name, required, variadic, description);
 	if (retVal)
 		argument->type = string;
 	return retVal;
 }
 
-int init_file_argument(struct argument* argument, char* name, int required, int variadic, char* description) {
+int init_file_argument(struct Argument* argument, char* name, int required, int variadic, char* description) {
 	int retVal = init_argument(argument, name, required, variadic, description);
 	if (retVal)
 		argument->type = file;

commands/argument.h

@@ -1,11 +1,11 @@
 #ifndef __COMMANDS_ARGUMENT_H__
 #define __COMMANDS_ARGUMENT_H__
 
-enum argument_type { string, file };
+enum ArgumentType { string, file };
 
-struct argument {
+struct Argument {
 	char* name;
-	enum argument_type type;
+	enum ArgumentType type;
 	int required;
 	int variadic;
 	int supports_stdin;
@@ -14,9 +14,9 @@ struct argument {
 	int enable_stdin;
 };
 
-int init_argument(struct argument* argument, char* name, int required, int variadic, char* description);
-int uninit_argument(struct argument* argument);
-int init_string_argument(struct argument* argument, char* name, int required, int variadic, char* description);
-int init_file_argument(struct argument* argument, char* name, int required, int variadic, char* description);
+int init_argument(struct Argument* argument, char* name, int required, int variadic, char* description);
+int uninit_argument(struct Argument* argument);
+int init_string_argument(struct Argument* argument, char* name, int required, int variadic, char* description);
+int init_file_argument(struct Argument* argument, char* name, int required, int variadic, char* description);
 
 #endif

commands/cli/Makefile

@@ -0,0 +1,13 @@
+CC = gcc
+CFLAGS = -O0
+LFLAGS = 
+DEPS = parse.h
+OBJS = parse.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+all: $(OBJS)
+
+clean:
+	rm -f *.o

commands/cli/parse.c

@@ -0,0 +1,5 @@
+#include "parse.h"
+
+int cli_parse(char** params, FILE* inStream, struct Command* cmd, struct Request* request) {
+	return 0;
+}

commands/cli/parse.h

@@ -0,0 +1,23 @@
+/***
+ * methods to parse the command line parameters
+*/
+#ifndef __COMMANDS_CLI_PARSE_H__
+#define __COMMANDS_CLI_PARSE_H__
+
+#include <stdio.h>
+
+#include "../command.h"
+
+/***
+ * turns parameters passed in into a Request struct
+ * @param params the command line parameters
+ * @param inStream a stream (for piped input)
+ * @param cmd the command struct, already initialized
+ * @param request the end result, something that can be passed on that actually does something
+ * @returns 0 if something bad happens, otherwise 1
+ */
+int cli_parse(char** params, FILE* inStream, struct Command* cmd, struct Request* request);
+
+int cli_parse_opts(char** params, struct Command* cmd, char* path, char** stringVals);
+
+#endif /* parse_h */

commands/command.c

@@ -0,0 +1,38 @@
+//
+//  command.c
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+#include <stdlib.h>
+
+#include "command.h"
+
+int init_command(struct Command* cmd) {
+	// allocate memory for Argument array
+	cmd->arguments = malloc(cmd->argument_count * sizeof(struct Argument*));
+	if (cmd->arguments == NULL)
+		return 0;
+	// allocate memory for each argument
+	for(int i = 0; i < cmd->argument_count; i++)
+		cmd->arguments[i] = malloc(sizeof(struct Argument));
+	// allocate memory for CommandOption array
+	cmd->options = malloc(cmd->option_count * sizeof(struct CommandOption*));
+	if (cmd->options == NULL)
+		return 0;
+	// allocate memory for each CommandOption
+	for(int i = 0; i < cmd->option_count; i++)
+		cmd->options[i] = malloc(sizeof(struct CommandOption));
+	return 1;
+}
+
+int uninit_command(struct Command* cmd) {
+	for(int i = 0; i < cmd->argument_count; i++)
+		uninit_argument(cmd->arguments[i]);
+	free(cmd->arguments);
+	for(int i = 0; i < cmd->option_count; i++)
+		uninit_option(cmd->options[i]);
+	free(cmd->options);
+	return 0;
+}

commands/command.h

@@ -6,8 +6,10 @@
 #define __COMMANDS_COMMAND_H__
 
 #include "argument.h"
+#include "request.h"
+#include "command_option.h"
 
-struct help_text {
+struct HelpText {
 	char* tagline;
 	char* short_description;
 	char** synopsis_options_values;
@@ -20,15 +22,16 @@ struct help_text {
 	char* synopsis;
 };
 
-struct command {
-	//struct option* options;
-	struct argument** arguments;
+struct Command {
+	struct CommandOption** options;
+	int option_count;
+	struct Argument** arguments;
 	int argument_count;
-	//int (*pre_run)(struct request*);
-	//int (*run)(struct request*);
-	//int (*post_run)(struct request*);
+	int (*pre_run)(struct Request*);
+	int (*run)(struct Request*);
+	int (*post_run)(struct Request*);
 	//struct marshaller** marshallers;
-	struct help_text help_text;
+	struct HelpText help_text;
 
 	// a boolean to determine if this is an external
 	// binary.
@@ -38,4 +41,8 @@ struct command {
 	char** subcommands;
 };
 
+// construction/destruction
+int init_command(struct Command* cmd);
+int uninit_command(struct Command* cmd);
+
 #endif // command.h

commands/command_option.c

@@ -0,0 +1,26 @@
+//
+//  option.c
+//  c-ipfs
+//
+//  Created by John Jones on 10/26/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "command_option.h"
+
+int init_command_option(struct CommandOption* option, char* description) {
+	option->description = description;
+	// allocate memory for names
+	option->names = malloc(option->name_count * sizeof(char*));
+	if (option->names == NULL)
+		return 0;
+	return 1;
+}
+
+int uninit_option(struct CommandOption* option) {
+	free(option->names);
+	return 0;
+}

commands/command_option.h

@@ -0,0 +1,31 @@
+//
+//  option.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/26/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __COMMANDS_COMMAND_OPTION_H__
+#define __COMMANDS_COMMAND_OPTION_H__
+
+enum Kind { invalid, boolean, integer, unsignedInt, decimal, str };
+
+struct CommandOption {
+	char** names;
+	int name_count;
+	enum Kind kind;
+	char* description;
+	int default_int_val;
+	int default_bool_val;
+	uint32_t default_uint_val;
+	float default_float_val;
+	char* default_string_val;
+};
+
+// constructors
+int init_command_option(struct CommandOption* option, char* description);
+// destructors
+int uninit_option(struct CommandOption* option);
+
+#endif /* option_h */

commands/context.h

@@ -0,0 +1,26 @@
+//
+//  context.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __COMMANDS_CONTEXT_H__
+#define __COMMANDS_CONTEXT_H__
+
+#include "req_log.h"
+#include "../repo/config/config.h"
+#include "../core/ipfs_node.h"
+
+struct Context {
+	int online;
+	char* config_root;
+	struct ReqLog req_log;
+	struct Config config;
+	int (*load_config)(char* path);
+	struct IpfsNode node;
+	int (*construct_node)(struct IpfsNode* node);
+};
+
+#endif /* context_h */

commands/req_log.h

@@ -0,0 +1,31 @@
+//
+//  req_log.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __COMMANDS_REQ_LOG_H__
+#define __COMMANDS_REQ_LOG_H__
+
+struct ReqLogEntry {
+	long start_time;
+	long end_time;
+	int active;
+	char* command;
+	struct Option** options;
+	struct Argument** args;
+	int id;
+	struct Request* req;
+	struct ReqLog* log;
+};
+
+struct ReqLog {
+	struct ReqLogEntry** requests;
+	int next_id;
+	//mutex lock;
+	long keep_duration;
+};
+
+#endif /* req_log_h */

commands/request.h

@@ -0,0 +1,28 @@
+//
+//  request.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/26/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __COMMANDS_REQUEST_H__
+#define __COMMANDS_REQUEST_H__
+
+#include "context.h"
+#include "command.h"
+
+struct Request {
+	char* path;
+	//optmap options;
+	char* arguments;
+	//file[] files;
+	struct Command* cmd;
+	struct Context* invoc_context;
+	//context rctx;
+	//map[string]Option optionDefs;
+	//map[string]interface{} values;
+	//ioReader stdin;
+};
+
+#endif /* request_h */

core/Makefile

@@ -0,0 +1,13 @@
+CC = gcc
+CFLAGS = -O0
+LFLAGS = 
+DEPS = builder.h ipfs_node.h
+OBJS = builder.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+all: $(OBJS)
+
+clean:
+	rm -f *.o

core/builder.c

@@ -0,0 +1,14 @@
+//
+//  builder.c
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#include "builder.h"
+
+int core_builder_new_node(struct Context* context, struct BuildCfg* build_cfg, struct IpfsNode* buildConfig) {
+	// TODO: Implement this methods
+	return 0;
+}

core/builder.h

@@ -0,0 +1,29 @@
+//
+//  builder.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __CORE_BUILDER_H__
+#define __CORE_BUILDER_H__
+
+#include <stdio.h>
+
+#include "../commands/context.h"
+#include "../repo/config/config.h"
+
+struct BuildCfg {
+	int online;
+	// ExtraOpts map[string]bool
+	int permanent;
+	int nil_repo;
+	//struct RoutingOption routing;
+	//struct HostOption host;
+	//struct Repo repo;
+};
+
+int core_builder_new_node(struct Context* context, struct BuildCfg* build_cfg, struct IpfsNode* buildConfig);
+
+#endif /* builder_h */

core/ipfs_node.h

@@ -0,0 +1,21 @@
+//
+//  ipfs_node.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __CORE_IPFS_NODE_H__
+#define __CORE_IPFS_NODE_H__
+
+struct IpfsNode {
+	//struct PeerId identity;
+	//struct Repo repo;
+	//struct Pinner pinning; // an interface
+	//struct Mount** mounts;
+	//struct PrivKey* private_key;
+	// TODO: Add more here
+};
+
+#endif /* ipfs_node_h */

os/Makefile

@@ -0,0 +1,13 @@
+CC = gcc
+CFLAGS = -O0
+LFLAGS = 
+DEPS = utils.h
+OBJS = utils.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+all: $(OBJS)
+
+clean:
+	rm -f *.o

os/utils.c

@@ -0,0 +1,32 @@
+#include "utils.h"
+
+/**
+ * get an environment varible from the os
+ * @param variable the variable to look for
+ * @returns the results
+ */
+char* os_utils_getenv(char* variable) {
+	return getenv(variable);
+}
+
+/**
+ * join 2 pieces of a filepath, being careful about the slashes
+ * @param root the root part
+ * @param extension what should be concatenated
+ * @param results where to put the results
+ * @param max_len throw an error if the total is longer than max_len
+ */
+int os_utils_filepath_join(char* root, char* extension, char* results, int max_len) {
+	//TODO: implement slash checks
+	if (strlen(root) + strlen(extension) + 1 > max_len)
+		return 0;
+	strncpy(results, root, strlen(root) + 1);
+	strncat(results, extension, strlen(extension)+1);
+	return 1;
+}
+
+int os_utils_file_exists(char* file_name) {
+	if (access(file_name, F_OK) != -1)
+		return 1;
+	return 0;
+}

os/utils.h

@@ -0,0 +1,29 @@
+/**
+ * OS specific stuff. This is going to get ugly, but at least its in one place
+ */
+#ifndef __OS_UTILS_H__
+#define __OS_UTILS_H__
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/**
+ * get an environment varible from the os
+ * @param variable the variable to look for
+ * @returns the results
+ */
+char* os_utils_getenv(char* variable);
+
+/**
+ * join 2 pieces of a filepath, being careful about the slashes
+ * @param root the root part
+ * @param extension what should be concatenated
+ * @param results where to put the results
+ * @param max_len throw an error if the total is longer than max_len
+ */
+int os_utils_filepath_join(char* root, char* extension, char* results, int max_len);
+
+int os_utils_file_exists(char* file_name);
+
+#endif /* utils_h */

repo/Makefile

@@ -7,6 +7,9 @@ OBJS = repo.o
 	$(CC) -c -o $@ $< $(CFLAGS)
 
 all: $(OBJS)
-
+	cd config; make all;
+	cd fsrepo; make all;
 clean:
-	rm -f *.o
+	rm -f *.o
+	cd config; make clean;
+	cd fsrepo; make clean;

repo/config/Makefile

@@ -0,0 +1,13 @@
+CC = gcc
+CFLAGS = -O0
+LFLAGS = 
+DEPS = config.h datastore.h identity.h
+OBJS = config.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+all: $(OBJS)
+
+clean:
+	rm -f *.o

repo/config/config.c

@@ -0,0 +1,76 @@
+//
+//  config.c
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include "../../os/utils.h"
+
+
+/***
+ * public
+ */
+
+/***
+ * gets the default path from the environment variable and/or the homedir struct
+ * NOTE: this allocates memory for result. Clean up after yourself.
+ * @param result where the result string will reside.
+ * @returns true(1) on success, or false(0)
+ */
+int config_get_default_path_root(char* result) {
+	char* root = os_utils_getenv("IPFS_PATH");
+	if (root == NULL) {
+		root = os_utils_getenv("HOME");
+		result = malloc( strlen(root) + 7);
+		if (result == NULL)
+			return 0;
+		strncpy(result, root, strlen(root)+1);
+		strncat(result, "/.ipfs", 7);
+	} else {
+		char* result = malloc(strlen(root)+1);
+		if (result == NULL)
+			return 0;
+		strncpy(result, root, strlen(root)+1);
+	}
+	return 1;
+}
+
+/***
+ * Returns the path "extension" relative to the configuration root.
+ * If an empty string is provided for config_root, the default root
+ * is used. NOTE: be sure to dispose of the memory allocated for result.
+ * @param config_root the path to the root of the configuration
+ * @param extension the extension to add to the path
+ * @param result the result of config_root with extension appended
+ * @returns true(1) if everything went okay, false(0) otherwise
+ */
+int config_path(char* config_root, char* extension, char* result, int max_len) {
+	if (strlen(config_root) == 0) {
+		char* default_path;
+		int retVal = config_get_default_path_root(default_path);
+		if (!retVal)
+			return retVal;
+		retVal = os_utils_filepath_join(default_path, extension, result, max_len);
+		free(default_path);
+		return retVal;
+	}
+	return os_utils_filepath_join(config_root, extension, result, max_len);
+}
+
+/**
+ * provide the full path of the config file, given the directory.
+ * NOTE: This allocates memory for result. Make sure to clean up after yourself.
+ * @param path the path to the config file (without the actual file name)
+ * @param result the full filename including the path
+ * @returns true(1) on success, false(0) otherwise
+ */
+int config_get_file_name(char* path, char* result) {
+	return 0;
+}

repo/config/config.h

@@ -2,10 +2,11 @@
 #define __CONFIG_H__
 
 #include "datastore.h"
+#include "identity.h"
 
-struct config {
-	//struct identity identity;
-	struct datastore datastore;
+struct Config {
+	struct Identity identity;
+	struct Datastore datastore;
 	//struct address* addresses;
 	//struct mount* mounts;
 	//struct discovery discovery;
@@ -19,4 +20,25 @@ struct config {
 	//struct reprovider reprovider;
 };
 
+/**
+ * provide the full path of the config file, given the directory. 
+ * NOTE: This allocates memory for result. Make sure to clean up after yourself.
+ * @param path the path to the config file (without the actual file name)
+ * @param result the full filename including the path
+ * @returns true(1) on success, false(0) otherwise
+ */
+int config_get_file_name(char* path, char* result);
+
+/***
+ * Returns the path "extension" relative to the configuration root.
+ * If an empty string is provided for config_root, the default root
+ * is used.
+ * @param config_root the path to the root of the configuration
+ * @param extension the extension to add to the path
+ * @param result the result of config_root with extension appended
+ * @param max_len the max length of the result
+ * @returns true(1) if everything went okay, false(0) otherwise
+ */
+int config_path(char* config_root, char* extension, char* result, int max_len);
+
 #endif

repo/config/datastore.h

@@ -5,7 +5,7 @@
 
 //const char* datastore_default_directory = "datastore";
 
-struct datastore {
+struct Datastore {
 	char* type;
 	char* path;
 	char* storage_max;

repo/config/identity.h

@@ -0,0 +1,17 @@
+//
+//  identity.h
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#ifndef __REPO_CONFIG_IDENTITY_H__
+#define __REPO_CONFIG_IDENTITY_H__
+
+struct Identity {
+	char* peer_id;
+	char* private_key;
+};
+
+#endif /* identity_h */

repo/fsrepo/Makefile

@@ -0,0 +1,13 @@
+CC = gcc
+CFLAGS = -O0
+LFLAGS = 
+DEPS = fs_repo.h
+OBJS = fs_repo.o
+
+%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+all: $(OBJS)
+
+clean:
+	rm -f *.o

repo/fsrepo/fs_repo.c

@@ -0,0 +1,83 @@
+//
+//  fs_repo.c
+//  c-ipfs
+//
+//  Created by John Jones on 10/27/16.
+//  Copyright © 2016 JMJAtlanta. All rights reserved.
+//
+
+#include "fs_repo.h"
+#include "../config/config.h"
+#include "../../os/utils.h"
+/** 
+ * private methods
+ */
+
+/**
+ * constructs the FSRepo struct. Basically fills in the FSRepo.path
+ * @param repo_path the path to the repo
+ * @param repo the struct to fill in
+ * @returns false(0) if something bad happened, otherwise true(1)
+ */
+int repo_new_fs_repo(char* repo_path, struct FSRepo* repo) {
+	//TODO: add the root to the path, based on environment variable HOMEDIR
+	// but for now, just do this
+	repo->path = repo_path;
+	return 1;
+}
+
+/**
+ * checks to see if the repo is initialized at the given path
+ * @param full_path the path to the repo
+ * @returns true(1) if the config file is there, false(0) otherwise
+ */
+int repo_config_is_initialized(char* full_path) {
+	char* config_file_full_path;
+	int retVal = config_get_file_name(full_path, config_file_full_path);
+	if (!retVal)
+		return 0;
+	if (os_utils_file_exists(config_file_full_path))
+		retVal = 1;
+	return retVal;
+}
+
+/***
+ * Check to see if the repo is initialized
+ * @param full_path the path to the repo
+ * @returns true(1) if it is initialized, false(0) otherwise.
+ */
+int repo_is_initialized_unsynced(char* full_path) {
+	return repo_config_is_initialized(full_path);
+}
+
+/**
+ * checks to see if the repo is initialized
+ * @param full_path the full path to the repo
+ * @returns true(1) if it is initialized, otherwise false(0)
+ */
+int repo_check_initialized(char* full_path) {
+	// note the old version of this reported an error if the repo was a .go-ipfs repo (by looking at the path)
+	// this version skips that step
+	return repo_is_initialized_unsynced(full_path);
+}
+
+
+/**
+ * public methods
+ */
+
+/**
+ * opens a fsrepo
+ * @param repo_path the path to the repo
+ * @param repo where to store the repo info
+ * @return 0 if there was a problem, otherwise 1
+ */
+int fs_repo_open(char* repo_path, struct FSRepo* repo) {
+	//TODO: lock
+	int retVal = repo_new_fs_repo(repo_path, repo);
+	// check if initialized
+	if (!repo_check_initialized(repo->path))
+		return 0;
+	return 0;
+}
+

repo/fsrepo/fs_repo.h

@@ -0,0 +1,29 @@
+/***
+ * handles a repo on the file system
+ */
+#ifndef fs_repo_h
+#define fs_repo_h
+
+#include <stdio.h>
+
+/**
+ * a structure to hold the repo info
+ */
+struct FSRepo {
+	int closed;
+	char* path;
+	struct IOCloser* lock_file;
+	struct Config* config;
+	struct Datastore* data_store;
+};
+
+/**
+ * opens a fsrepo
+ * @param repoPath the path to the repo
+ * @param repo where to store the repo info
+ * @return 0 if there was a problem, otherwise 1
+ */
+int fs_repo_open(char* repoPath, struct FSRepo* repo);
+
+
+#endif /* fs_repo_h */

repo/repo.c

@@ -1,6 +1,6 @@
 #include "repo.h"
 
-int repo_get_config(struct config* config) {
+int repo_get_config(struct Config* config) {
 	return 0;
 }
 

repo/repo.h

@@ -10,17 +10,17 @@
  * @param config a place to put the buffer (must have been pre-allocated)
  * @returns 0 on error
  */
-int repo_get_config(struct config* config);
+int repo_get_config(struct Config* config);
 
 /**
  * Retrieves the config
  * @param config a place to get the information
  * @returns 0 on error
  */
-int repo_set_config(struct config* config);
+int repo_set_config(struct Config* config);
 int repo_set_config_key(char* key, void* value);
 int repo_get_config_key(char* key, void* value);
-int repo_get_datastore(struct datastore* datastore);
+int repo_get_datastore(struct Datastore* datastore);
 int repo_get_storage_usage(uint64_t* usage);
 
 #endif // __REPO_H__

test/Makefile

@@ -2,7 +2,9 @@ CC = gcc
 CFLAGS = -O0
 LFLAGS = 
 DEPS = testit.h repo/test_repo.h cmd/ipfs/test_init.h
-OBJS = testit.o ../cmd/ipfs/init.o ../commands/argument.o
+OBJS = testit.o ../cmd/ipfs/init.o ../commands/argument.o ../commands/command_option.o \
+	../commands/command.o ../commands/cli/parse.o ../core/builder.o ../repo/fsrepo/fs_repo.o \
+	../repo/fsrepo/fs_repo.o ../repo//config/config.o ../os/utils.o
 
 %.o: %.c $(DEPS)
 	$(CC) -c -o $@ $< $(CFLAGS)

test/cmd/ipfs/test_init.h

@@ -11,7 +11,7 @@
 #include <string.h>
 
 int test_get_init_command() {
-	struct command cmd = { 0 };
+	struct Command cmd = { 0 };
 	int retVal = 1;
 	// make sure its empty
 	if (cmd.help_text.tagline != NULL) {
@@ -36,7 +36,7 @@ int test_get_init_command() {
 		fprintf(stderr, "argument count should be 1");
 		retVal = 0;
 	} else {
-		struct argument arg1 = *(cmd.arguments[0]);
+		struct Argument arg1 = *(cmd.arguments[0]);
 		if (strncmp(arg1.name, "default-config", 14) != 0) {
 			fprintf(stderr, "arg1 wrong name. Expected %s but got %s\n", "default_config", arg1.name);
 			retVal = 0;