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Big changes for the yamux protocol

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The Stream interface changed, so it touches many areas. But this change
will help with memory allocation and a cleaner interface.
This commit is contained in:
John Jones 2017-11-08 10:54:31 -05:00
parent 8b2a8ef3ab
commit 6160dd841b
6 changed files with 28 additions and 28 deletions
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4
core/ipfs_node.c
View file

@ -39,13 +39,13 @@ struct Libp2pVector* ipfs_node_online_build_protocol_handlers(struct IpfsNode* n
// journal
libp2p_utils_vector_add(retVal, ipfs_journal_build_protocol_handler(node));
// kademlia
libp2p_utils_vector_add(retVal, libp2p_routing_dht_build_protocol_handler(node->peerstore, node->providerstore));
libp2p_utils_vector_add(retVal, libp2p_routing_dht_build_protocol_handler(node->peerstore, node->providerstore, node->repo->config->datastore, node->repo->config->filestore));
// bitswap
libp2p_utils_vector_add(retVal, ipfs_bitswap_build_protocol_handler(node));
// multistream
libp2p_utils_vector_add(retVal, libp2p_net_multistream_build_protocol_handler(retVal));
// yamux
libp2p_utils_vector_add(retVal, yamux_build_protocol_handler());
libp2p_utils_vector_add(retVal, libp2p_yamux_build_protocol_handler());
// identify
libp2p_utils_vector_add(retVal, libp2p_identify_build_protocol_handler(retVal));
}

36
core/null.c
View file

@ -49,35 +49,33 @@ void ipfs_null_connection (void *ptr) {
return;
}
session->insecure_stream = libp2p_net_connection_new(connection_param->file_descriptor, connection_param->ip, connection_param->port);
session->default_stream = session->insecure_stream;
session->datastore = connection_param->local_node->repo->config->datastore;
session->filestore = connection_param->local_node->repo->config->filestore;
session->host = connection_param->ip;
session->port = connection_param->port;
session->insecure_stream = libp2p_net_connection_new(connection_param->file_descriptor, connection_param->ip, connection_param->port, session);
session->default_stream = session->insecure_stream;
libp2p_logger_info("null", "Connection %d, count %d\n", connection_param->file_descriptor, *(connection_param->count));
// try to read from the network
struct StreamMessage *results = 0;
// immediately attempt to negotiate multistream
if (libp2p_net_multistream_send_protocol(session)) {
// handle the call
for(;;) {
// Read from the network
if (!session->default_stream->read(session, &results, DEFAULT_NETWORK_TIMEOUT)) {
// problem reading
break;
}
if (results != NULL) {
retVal = libp2p_protocol_marshal(results, session, connection_param->local_node->protocol_handlers);
libp2p_stream_message_free(results);
}
// exit the loop on error (or if they ask us to no longer loop by returning 0)
if (retVal <= 0)
break;
// handle the call
for(;;) {
// Read from the network
if (!session->default_stream->read(session->default_stream->stream_context, &results, DEFAULT_NETWORK_TIMEOUT)) {
// problem reading
break;
}
}
if (results != NULL) {
retVal = libp2p_protocol_marshal(results, session->default_stream, connection_param->local_node->protocol_handlers);
libp2p_stream_message_free(results);
}
if (retVal < 0) {
// exit the loop on error
break;
}
} // end of loop
(*(connection_param->count))--; // update counter.
if (connection_param->ip != NULL)

6
exchange/bitswap/bitswap.c
View file

@ -7,6 +7,7 @@
#include "libp2p/os/utils.h"
#include "libp2p/utils/logger.h"
#include "libp2p/net/stream.h"
#include "libp2p/net/connectionstream.h"
#include "ipfs/core/ipfs_node.h"
#include "ipfs/datastore/ds_helper.h"
#include "ipfs/exchange/exchange.h"
@ -35,8 +36,11 @@ int ipfs_bitswap_shutdown_handler(void* context) {
* @param protocol_context the protocol-dependent context
* @returns 0 if the caller should not continue looping, <0 on error, >0 on success
*/
int ipfs_bitswap_handle_message(const struct StreamMessage* msg, struct SessionContext* session_context, void* protocol_context) {
int ipfs_bitswap_handle_message(const struct StreamMessage* msg, struct Stream* stream, void* protocol_context) {
struct IpfsNode* local_node = (struct IpfsNode*)protocol_context;
struct SessionContext* session_context = libp2p_net_connection_get_session_context(stream);
if (session_context == NULL)
return -1;
int retVal = ipfs_bitswap_network_handle_message(local_node, session_context, msg->data, msg->data_size);
if (retVal == 0)
return -1;

2
exchange/bitswap/engine.c
View file

@ -108,7 +108,7 @@ void* ipfs_bitswap_engine_peer_request_processor_start(void* ctx) {
if (current_peer_entry->sessionContext->default_stream->read(current_peer_entry->sessionContext, &buffer, 1)) {
// handle it
libp2p_logger_debug("bitswap_engine", "%lu bytes read, result: [%s].\n", buffer->data_size, buffer->data);
int retVal = libp2p_protocol_marshal(buffer, current_peer_entry->sessionContext, context->ipfsNode->protocol_handlers);
int retVal = libp2p_protocol_marshal(buffer, current_peer_entry->sessionContext->default_stream, context->ipfsNode->protocol_handlers);
libp2p_stream_message_free(buffer);
did_some_processing = 1;
if (retVal == -1) {

2
include/ipfs/journal/journal.h
View file

@ -33,7 +33,7 @@ int ipfs_journal_shutdown_handler(void* context);
* @param protocol_context in this case, an IpfsNode
* @returns 0 if the caller should not continue looping, <0 on error, >0 on success
*/
int ipfs_journal_handle_message(const struct StreamMessage* msg, struct SessionContext* session_context, void* protocol_context) ;
int ipfs_journal_handle_message(const struct StreamMessage* msg, struct Stream* stream, void* protocol_context) ;
/***
* Build the protocol handler struct for the Journal protocol

6
journal/journal.c
View file

@ -306,7 +306,7 @@ int ipfs_journal_adjust_time(struct JournalToDo* todo, struct IpfsNode* local_no
* @param protocol_context in this case, an IpfsNode
* @returns 0 if the caller should not continue looping, <0 on error, >0 on success
*/
int ipfs_journal_handle_message(const struct StreamMessage* incoming_msg, struct SessionContext* session_context, void* protocol_context) {
int ipfs_journal_handle_message(const struct StreamMessage* incoming_msg, struct Stream* stream, void* protocol_context) {
struct StreamMessage* msg = NULL;
// remove protocol
uint8_t *incoming_pos = (uint8_t*) incoming_msg->data;
@ -320,7 +320,7 @@ int ipfs_journal_handle_message(const struct StreamMessage* incoming_msg, struct
break;
} else {
// read next segment from network
if (!session_context->default_stream->read(session_context, &msg, 10)) {
if (!stream->read(stream->stream_context, &msg, 10)) {
return -1;
}
incoming_pos = msg->data;
@ -330,7 +330,6 @@ int ipfs_journal_handle_message(const struct StreamMessage* incoming_msg, struct
libp2p_stream_message_free(msg);
msg = NULL;
}
libp2p_logger_debug("journal", "Handling incoming message from %s.\n", session_context->remote_peer_id);
struct IpfsNode* local_node = (struct IpfsNode*)protocol_context;
// un-protobuf the message
struct JournalMessage* message = NULL;
@ -342,7 +341,6 @@ int ipfs_journal_handle_message(const struct StreamMessage* incoming_msg, struct
// NOTE: If our_time_diff is negative, the remote's clock is faster than ours.
// if it is positive, our clock is faster than theirs.
if ( llabs(our_time_diff) > 300) {
libp2p_logger_error("journal", "The clock of peer %s is out of 5 minute range. Seconds difference: %llu", session_context->remote_peer_id, our_time_diff);
if (second_read) {
free(incoming_pos);
}