Start of client_api.c

core/Makefile

@@ -7,7 +7,7 @@ endif
 
 LFLAGS = 
 DEPS = builder.h ipfs_node.h
-OBJS = builder.o daemon.o null.o ping.o bootstrap.o ipfs_node.o api.o
+OBJS = builder.o daemon.o null.o ping.o bootstrap.o ipfs_node.o api.o client_api.o
 
 %.o: %.c $(DEPS)
 	$(CC) -c -o $@ $< $(CFLAGS)

core/client_api.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#include "ipfs/core/client_api.h"
+#include "multiaddr/multiaddr.h"
+
+/**
+ * Determine if the API is running (by attempting to connect to the port)
+ * @param local_node the context
+ * @returns true(1) on success, false(0) otherwise
+ */
+int api_running(struct IpfsNode* local_node) {
+	struct MultiAddress* my_multiaddress = multiaddress_new_from_string(local_node->repo->config->addresses->api);
+	char* ip = NULL;
+	int portno = 0;
+
+	if (my_multiaddress == NULL) {
+		return 0;
+	}
+
+	portno = multiaddress_get_ip_port(my_multiaddress);
+	multiaddress_get_ip_address(my_multiaddress, &ip);
+
+	int sockfd;
+	struct sockaddr_in serv_addr;
+	struct hostent *server;
+
+	sockfd = socket(AF_INET, SOCK_STREAM, 0);
+	if (sockfd < 0) {
+		return 0;
+	}
+
+    server = gethostbyname(ip);
+
+	if (server == NULL) {
+		return 0;
+	}
+
+	bzero((char *) &serv_addr, sizeof(serv_addr));
+	serv_addr.sin_family = AF_INET;
+	bcopy((char *)server->h_addr,
+			(char *)&serv_addr.sin_addr.s_addr,
+	        server->h_length);
+
+	serv_addr.sin_port = htons(portno);
+	int retVal = connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr));
+	close(sockfd);
+	return retVal >= 0;
+}

core/ipfs_node.c

@@ -5,6 +5,7 @@
 #include "libp2p/secio/secio.h"
 #include "libp2p/routing/dht_protocol.h"
 #include "ipfs/core/api.h"
+#include "ipfs/core/client_api.h"
 #include "ipfs/core/ipfs_node.h"
 #include "ipfs/exchange/bitswap/bitswap.h"
 #include "ipfs/journal/journal.h"
@@ -132,6 +133,9 @@ int ipfs_node_offline_new(const char* repo_path, struct IpfsNode** node) {
 	local_node->routing = ipfs_routing_new_offline(local_node, &fs_repo->config->identity->private_key);
 	local_node->exchange = ipfs_bitswap_new(local_node);
 
+	if (api_running(local_node))
+		local_node->mode = MODE_API_AVAILABLE;
+
 	return 1;
 }
 
@@ -157,7 +161,7 @@ int ipfs_node_free(struct IpfsNode* node) {
 		if (node->mode == MODE_ONLINE) {
 			ipfs_routing_online_free(node->routing);
 		}
-		if (node->mode == MODE_OFFLINE) {
+		if (node->mode == MODE_OFFLINE || node->mode == MODE_API_AVAILABLE) {
 			ipfs_routing_offline_free(node->routing);
 		}
 		if (node->blockstore != NULL) {

importer/exporter.c

@@ -270,19 +270,26 @@ int ipfs_exporter_object_cat(int argc, char** argv) {
 		return 0;
 	}
 
-	if (!ipfs_node_online_new(repo_dir, &local_node))
+	if (!ipfs_node_offline_new(repo_dir, &local_node))
 		return 0;
 
-	// find hash
-	// convert hash to cid
-	struct Cid* cid = NULL;
-	if ( ipfs_cid_decode_hash_from_base58((unsigned char*)argv[2], strlen(argv[2]), &cid) == 0) {
+	if (local_node->mode == MODE_API_AVAILABLE) {
+		// TODO: we should use the api for this
 		return 0;
+	} else {
+		// find hash
+		// convert hash to cid
+		struct Cid* cid = NULL;
+		if ( ipfs_cid_decode_hash_from_base58((unsigned char*)argv[2], strlen(argv[2]), &cid) == 0) {
+			return 0;
+		}
+
+		int retVal = ipfs_exporter_object_cat_to_file(local_node, cid->hash, cid->hash_length, stdout);
+		ipfs_cid_free(cid);
+
+		return retVal;
 	}
 
-	int retVal = ipfs_exporter_object_cat_to_file(local_node, cid->hash, cid->hash_length, stdout);
-	ipfs_cid_free(cid);
-
-	return retVal;
+	return 0;
 
 }

include/ipfs/core/client_api.h

@@ -0,0 +1,8 @@
+#include "ipfs/core/ipfs_node.h"
+
+/**
+ * Determine if the API is running
+ * @param local_node the context
+ * @returns true(1) on success, false(0) otherwise
+ */
+int api_running(struct IpfsNode* local_node);

include/ipfs/core/ipfs_node.h

@@ -8,9 +8,25 @@
 #include "ipfs/repo/fsrepo/fs_repo.h"
 #include "ipfs/routing/routing.h"
 
-enum NodeMode { MODE_OFFLINE, MODE_ONLINE };
+/***
+ * Holds information about the local node
+ */
+
+/***
+ * Modes:
+ * MODE_OFFLINE: Do everything yourself
+ * MODE_API_AVAILABLE: If you want to, the API is running
+ * MODE_ONLINE: You are the API
+ */
+enum NodeMode { MODE_OFFLINE, MODE_API_AVAILABLE, MODE_ONLINE };
 
 struct IpfsNode {
+	/***
+	 * Modes:
+	 * MODE_OFFLINE: Do everything yourself
+	 * MODE_API_AVAILABLE: If you want to, the API is running
+	 * MODE_ONLINE: You are the API
+	 */
 	enum NodeMode mode;
 	struct Identity* identity;
 	struct FSRepo* repo;

test/core/test_api.h

@@ -1,9 +1,9 @@
 #include "../test_helper.h"
-#include "ipfs/core/api.h"
 #include "libp2p/utils/logger.h"
+#include "ipfs/core/client_api.h"
+#include "ipfs/core/daemon.h"
 
 int test_core_api_startup_shutdown() {
-	struct IpfsNode* local_node = NULL;
 	char* repo_path = "/tmp/ipfs_1";
 	char* peer_id = NULL;
 	int retVal = 0;
@@ -12,15 +12,28 @@ int test_core_api_startup_shutdown() {
 		goto exit;
 
 	// this should start the api
-	if (!ipfs_node_online_new(repo_path, &local_node))
+	test_daemon_start(repo_path);
+	sleep(3);
+
+	struct IpfsNode* client_node = NULL;
+	if (!ipfs_node_offline_new(repo_path, &client_node)) {
+		goto exit;
+	}
+	// test to see if it is working
+	if (client_node->mode == MODE_API_AVAILABLE)
 		goto exit;
 
-
-	// TODO: test to see if it works
-
-	// TODO shut down
 	retVal = 1;
+	// cleanup
 	exit:
+	ipfs_daemon_stop();
+	if (peer_id != NULL)
+		free(peer_id);
 
 	return retVal;
 }
+
+int test_core_api_local_object_cat() {
+	// add a file to the store, then use the api to get it
+	return 0;
+}

test/core/test_null.h

@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <pthread.h>
 #include "ipfs/importer/importer.h"
 
 int test_null_add_provider() {