c-ipfs/core/daemon.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <pthread.h>
#include "libp2p/net/p2pnet.h"
#include "libp2p/peer/peerstore.h"
#include "ipfs/core/daemon.h"
#include "ipfs/core/null.h" // for ipfs_null_shutdown
#include "ipfs/core/ipfs_node.h"
#include "ipfs/core/bootstrap.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
#include "ipfs/repo/init.h"
#include "libp2p/utils/logger.h"

int ipfs_daemon_start(char* repo_path) {
    int count_pths = 0, retVal = 0;
    pthread_t work_pths[MAX];
    struct IpfsNodeListenParams listen_param;
    struct MultiAddress* ma = NULL;

    libp2p_logger_info("daemon", "Initializing daemon for %s...\n", repo_path);

    struct IpfsNode* local_node = NULL;
    if (!ipfs_node_online_new(repo_path, &local_node))
    	goto exit;

    // Set null router param
    ma = multiaddress_new_from_string(local_node->repo->config->addresses->swarm_head->item);
    listen_param.port = multiaddress_get_ip_port(ma);
    listen_param.ipv4 = 0; // ip 0.0.0.0, all interfaces
    listen_param.local_node = local_node;

    // Create pthread for swarm listener.
    if (pthread_create(&work_pths[count_pths++], NULL, local_node->routing->Listen, &listen_param)) {
    		libp2p_logger_error("daemon", "Error creating thread for ipfs null listen\n");
    		goto exit;
    }

    local_node->routing->Bootstrap(local_node->routing);

    libp2p_logger_info("daemon", "Daemon for %s is ready on port %d\n", listen_param.local_node->identity->peer->id, listen_param.port);

    // Wait for pthreads to finish.
    while (count_pths) {
        if (pthread_join(work_pths[--count_pths], NULL)) {
        	libp2p_logger_error("daemon", "Error joining thread\n");
            goto exit;
        }
    }

    retVal = 1;
    exit:
	libp2p_logger_debug("daemon", "Cleaning up daemon processes for %s\n", repo_path);
    // clean up
    if (ma != NULL)
    	multiaddress_free(ma);
    if (local_node != NULL) {
    	ipfs_node_free(local_node);
    }
    return retVal;

}

int ipfs_daemon_stop() {
	return ipfs_null_shutdown();
}

int ipfs_daemon (int argc, char **argv)
{
	char* repo_path = NULL;

	libp2p_logger_add_class("daemon");
	if (!ipfs_repo_get_directory(argc, argv, &repo_path)) {
		libp2p_logger_error("daemon", "Unable to open repo: %s\n", repo_path);
		return 0;
	}

	return ipfs_daemon_start(repo_path);
}