Starting to handle get_value request

include/libp2p/peer/peer.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "multiaddr/multiaddr.h"
+
 enum ConnectionType {
 	// sender does not have a connection to the peer, and no extra information (default)
 	CONNECTION_TYPE_NOT_CONNECTED = 0,
@@ -24,6 +26,15 @@ struct Libp2pPeer {
  */
 struct Libp2pPeer* libp2p_peer_new();
 
+/**
+ * Create a new peer struct with some data
+ * @param id the id
+ * @param id_size the length of the id
+ * @param multi_addr the MultiAddresss
+ * @returns the Libp2pPeer or NULL if there was a problem
+ */
+struct Libp2pPeer* libp2p_peer_new_from_data(const char* id, size_t id_size, const struct MultiAddress* multi_addr);
+
 /**
  * frees resources from a peer struct
  * @param in the peer to free

include/libp2p/peer/peerstore.h

@@ -52,6 +52,14 @@ int libp2p_peerstore_free(struct Peerstore* in);
  */
 int libp2p_peerstore_add_peer_entry(struct Peerstore* peerstore, struct PeerEntry* peer_entry);
 
+/***
+ * Add a peer to the peerstore
+ * @param peerstore the peerstore to add the entry to
+ * @param peer the peer to add (will be wrapped in PeerEntry struct)
+ * @returns true(1) on success, otherwise false
+ */
+int libp2p_peerstore_add_peer(struct Peerstore* peerstore, struct Libp2pPeer* peer);
+
 /**
  * Retrieve a peer from the peerstore based on the peer id
  * @param peerstore the peerstore to search
@@ -60,3 +68,12 @@ int libp2p_peerstore_add_peer_entry(struct Peerstore* peerstore, struct PeerEntr
  * @returns the PeerEntry struct if found, otherwise NULL
  */
 struct PeerEntry* libp2p_peerstore_get_peer_entry(struct Peerstore* peerstore, unsigned char* peer_id, size_t peer_id_size);
+
+/**
+ * Retrieve a peer from the peerstore based on the peer id
+ * @param peerstore the peerstore to search
+ * @param peer_id the id to search for as a binary array
+ * @param peer_id_size the size of the binary array
+ * @returns the Libp2pPeer struct if found, otherwise NULL
+ */
+struct Libp2pPeer* libp2p_peerstore_get_peer(struct Peerstore* peerstore, unsigned char* peer_id, size_t peer_id_size);

peer/peer.c

@@ -20,6 +20,35 @@ struct Libp2pPeer* libp2p_peer_new() {
 	return out;
 }
 
+/**
+ * Create a new peer struct with some data
+ * @param id the id
+ * @param id_size the length of the id
+ * @param multi_addr the MultiAddresss
+ * @returns the Libp2pPeer or NULL if there was a problem
+ */
+struct Libp2pPeer* libp2p_peer_new_from_data(const char* id, size_t id_size, const struct MultiAddress* multi_addr) {
+	struct Libp2pPeer* out = libp2p_peer_new();
+	if (out != NULL) {
+		out->id = malloc(id_size);
+		strncpy(out->id, id, id_size);
+		out->id_size = id_size;
+		out->addr_head = libp2p_utils_linked_list_new();
+		if (out->addr_head == NULL) {
+			libp2p_peer_free(out);
+			return NULL;
+		}
+		out->addr_head->item = multiaddress_copy(multi_addr);
+		if (out->addr_head->item == NULL) {
+			libp2p_peer_free(out);
+			return NULL;
+		}
+	}
+
+	return out;
+}
+
+
 void libp2p_peer_free(struct Libp2pPeer* in) {
 	if (in != NULL) {
 		if (in->id != NULL)

peer/peerstore.c

@@ -88,6 +88,25 @@ int libp2p_peerstore_add_peer_entry(struct Peerstore* peerstore, struct PeerEntr
 	return 1;
 }
 
+/***
+ * Add a peer to the peerstore
+ * @param peerstore the peerstore to add the entry to
+ * @param peer the peer to add (will be wrapped in PeerEntry struct)
+ * @returns true(1) on success, otherwise false
+ */
+int libp2p_peerstore_add_peer(struct Peerstore* peerstore, struct Libp2pPeer* peer) {
+	struct PeerEntry* peer_entry = libp2p_peer_entry_new();
+	if (peer_entry == NULL) {
+		return 0;
+	}
+	peer_entry->peer = libp2p_peer_copy(peer);
+	if (peer_entry->peer == NULL)
+		return 0;
+	int retVal = libp2p_peerstore_add_peer_entry(peerstore, peer_entry);
+	libp2p_peer_entry_free(peer_entry);
+	return retVal;
+}
+
 /**
  * Retrieve a peer from the peerstore based on the peer id
  * @param peerstore the peerstore to search
@@ -107,3 +126,17 @@ struct PeerEntry* libp2p_peerstore_get_peer_entry(struct Peerstore* peerstore, u
 	}
 	return NULL;
 }
+
+/**
+ * Retrieve a peer from the peerstore based on the peer id
+ * @param peerstore the peerstore to search
+ * @param peer_id the id to search for as a binary array
+ * @param peer_id_size the size of the binary array
+ * @returns the Peer struct if found, otherwise NULL
+ */
+struct Libp2pPeer* libp2p_peerstore_get_peer(struct Peerstore* peerstore, unsigned char* peer_id, size_t peer_id_size) {
+	struct PeerEntry* entry = libp2p_peerstore_get_peer_entry(peerstore, peer_id, peer_id_size);
+	if (entry == NULL)
+		return NULL;
+	return entry->peer;
+}