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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cli/cli.h"
#include "mcp/server.h"
#include "storage/store.h"
#include "sys/system.h"
#include "base/allocator.h"
static void
usage(FILE *stream)
{
fprintf(stream,
"Usage: tiny-convmem-mcp --data-dir <path> [command]\n"
"Commands:\n"
" (none) Run the MCP server (default)\n"
" --import <file> [--policy overwrite|reject]\n"
" Import a JSONL export into the store\n"
" --export <file> [--session <id>] [--include-deleted]\n"
" Export the store to a JSONL file (- for stdout)\n");
}
static const char *
find_argument(const tiny_sys_arguments_t *arguments, const char *name)
{
size_t index;
for (index = 1; index + 1 < arguments->count; ++index)
{
if (strcmp(arguments->values[index], name) == 0)
{
return arguments->values[index + 1];
}
}
return NULL;
}
static int
flag_present(const tiny_sys_arguments_t *arguments, const char *name)
{
size_t index;
for (index = 1; index < arguments->count; ++index)
{
if (strcmp(arguments->values[index], name) == 0)
{
return 1;
}
}
return 0;
}
static int
run_server(tiny_store_t *store)
{
int result = tiny_convmem_server_run(stdin, stdout, store);
if (result != 0)
{
fprintf(stderr, "tiny-convmem-mcp stopped with error code %d\n", result);
}
return result;
}
static void
read_cli_options(tiny_cli_options_t *options, const tiny_sys_arguments_t *arguments)
{
memset(options, 0, sizeof(*options));
options->data_dir = arguments->values[2];
options->import_path = find_argument(arguments, "--import");
options->export_path = find_argument(arguments, "--export");
options->session_id = find_argument(arguments, "--session");
options->policy_name = find_argument(arguments, "--policy");
options->include_deleted = flag_present(arguments, "--include-deleted");
}
static int
run(const tiny_sys_arguments_t *arguments)
{
char *absolute;
tiny_store_t *store = NULL;
tiny_store_status_t status;
int result;
int server_mode = 0;
tiny_cli_options_t options;
if (arguments->count == 2 && strcmp(arguments->values[1], "--help") == 0)
{
usage(stdout);
return 0;
}
if (arguments->count < 3 || strcmp(arguments->values[1], "--data-dir") != 0
|| arguments->values[2][0] == '\0')
{
usage(stderr);
return 2;
}
server_mode = (arguments->count == 3)
|| (arguments->count == 5 && strcmp(arguments->values[3], "--import") != 0
&& strcmp(arguments->values[3], "--export") != 0);
if (!server_mode && arguments->count < 5)
{
usage(stderr);
return 2;
}
absolute = tiny_sys_path_absolute(arguments->values[2]);
if (absolute == NULL)
{
fprintf(stderr, "unable to resolve --data-dir\n");
return 2;
}
read_cli_options(&options, arguments);
options.data_dir = absolute;
if (options.import_path)
{
result = tiny_cli_import(&options);
free(absolute);
return result;
}
status = tiny_store_open(&store, absolute);
if (status != TINY_STORE_OK)
{
fprintf(stderr, "unable to open conversation store: %s\n", tiny_store_status_name(status));
free(absolute);
return status == TINY_STORE_BUSY ? 3 : 1;
}
result = server_mode ? run_server(store) : tiny_cli_export(store, &options);
tiny_store_close(store);
free(absolute);
return result;
}
int
main(int argc, char **argv)
{
tiny_sys_arguments_t arguments;
int result;
if (!tiny_sys_arguments_init(&arguments, argc, argv))
{
fprintf(stderr, "unable to read process arguments\n");
return 2;
}
result = run(&arguments);
tiny_sys_arguments_free(&arguments);
return result;
}
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