agorise/c-libp2p
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Cleanup of needless Stream attached to things it shouldn't have

Browse source
This commit is contained in:
John Jones 2017-07-27 12:06:27 -05:00
parent 93bb78169a
commit 1971e60438
5 changed files with 30 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
include/libp2p/conn/session.h
View file

@ -63,6 +63,18 @@ struct SessionContext {
size_t remote_ephemeral_public_key_size;
};
/***
* Allocate resources for a new SessionContext struct
* @returns the newly allocated SessionContext, or NULL
*/
struct SessionContext* libp2p_session_context_new();
/**
* Free resources of a SessionContext struct
* @param context the SessionContext
* @returns true(1)
*/
int libp2p_session_context_free(struct SessionContext* session);
/***
* Compare 2 SessionContext structs for equality
* @param a side A

2
include/libp2p/peer/peer.h
View file

@ -19,7 +19,7 @@ struct Libp2pPeer {
size_t id_size; // the length of id
struct Libp2pLinkedList* addr_head; // protobuf field 2 of multiaddr bytes (repeatable) (stored here as a struct MultiAddr)
enum ConnectionType connection_type; // protobuf field 3 (a varint)
struct Stream *connection; // not protobuf'd, the current connection to the peer
struct SessionContext *sessionContext; // not protobuf'd, the current connection to the peer
};
/**

2
net/multistream.c
View file

@ -30,7 +30,7 @@ int libp2p_net_multistream_close(void* stream_context) {
/**
* Write to an open multistream host
* @param socket_fd the socket file descriptor
* @param stream_context the session context
* @param data the data to send
* @param data_length the length of the data
* @returns the number of bytes written

22
peer/peer.c
View file

@ -19,7 +19,7 @@ struct Libp2pPeer* libp2p_peer_new() {
out->id_size = 0;
out->addr_head = NULL;
out->connection_type = CONNECTION_TYPE_NOT_CONNECTED;
out->connection = NULL;
out->sessionContext = NULL;
}
return out;
}
@ -60,8 +60,10 @@ int libp2p_peer_connect(struct Libp2pPeer* peer, int timeout) {
if (!multiaddress_get_ip_address(ma, &ip))
continue;
int port = multiaddress_get_ip_port(ma);
peer->connection = libp2p_net_multistream_connect(ip, port);
if (peer->connection != NULL) {
peer->sessionContext = libp2p_session_context_new();
peer->sessionContext->insecure_stream = libp2p_net_multistream_connect(ip, port);
if (peer->sessionContext->insecure_stream != NULL) {
peer->sessionContext->default_stream = peer->sessionContext->insecure_stream;
peer->connection_type = CONNECTION_TYPE_CONNECTED;
}
free(ip);
@ -112,9 +114,10 @@ void libp2p_peer_free(struct Libp2pPeer* in) {
}
if (in->id != NULL)
free(in->id);
if (in->connection != NULL) {
libp2p_net_multistream_stream_free(in->connection);
in->connection = NULL;
if (in->sessionContext != NULL) {
libp2p_session_context_free(in->sessionContext);
//libp2p_net_multistream_stream_free(in->connection);
in->sessionContext = NULL;
}
// free the memory in the linked list
struct Libp2pLinkedList* current = in->addr_head;
@ -130,6 +133,9 @@ void libp2p_peer_free(struct Libp2pPeer* in) {
/**
* Make a copy of a peer
*
* NOTE: SessionContext is not copied.
*
* @param in what is to be copied
* @returns a new struct, that does not rely on the old
*/
@ -159,7 +165,7 @@ struct Libp2pPeer* libp2p_peer_copy(const struct Libp2pPeer* in) {
current_out = copy_item;
current_in = current_in->next;
}
out->connection = in->connection;
out->sessionContext = in->sessionContext;
}
return out;
}
@ -185,7 +191,7 @@ int libp2p_peer_matches_id(struct Libp2pPeer* in, const unsigned char* peer_id)
*/
int libp2p_peer_is_connected(struct Libp2pPeer* in) {
if (in->connection_type == CONNECTION_TYPE_CONNECTED) {
if (in->connection == NULL) {
if (in->sessionContext == NULL || in->sessionContext->default_stream == NULL) {
in->connection_type = CONNECTION_TYPE_NOT_CONNECTED;
}
}

4
secio/secio.c
View file

@ -478,7 +478,7 @@ int libp2p_secio_unencrypted_write(struct SessionContext* session, unsigned char
int written = 0;
int written_this_time = 0;
do {
written_this_time = socket_write(*((int*)session->insecure_stream->socket_descriptor), &size_as_char[written], left, 0);
written_this_time = socket_write(*((int*)session->default_stream->socket_descriptor), &size_as_char[written], left, 0);
if (written_this_time < 0) {
written_this_time = 0;
if ( (errno == EAGAIN) || (errno == EWOULDBLOCK)) {
@ -493,7 +493,7 @@ int libp2p_secio_unencrypted_write(struct SessionContext* session, unsigned char
left = data_length;
written = 0;
do {
written_this_time = socket_write(*((int*)session->insecure_stream->socket_descriptor), (char*)&bytes[written], left, 0);
written_this_time = socket_write(*((int*)session->default_stream->socket_descriptor), (char*)&bytes[written], left, 0);
if (written_this_time < 0) {
written_this_time = 0;
if ( (errno == EAGAIN) || (errno == EWOULDBLOCK)) {