501 lines
17 KiB
C
501 lines
17 KiB
C
#pragma once
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#include "libp2p/yamux/yamux.h"
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#include "libp2p/identify/identify.h"
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#include "mock_stream.h"
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#include "libp2p/utils/logger.h"
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#include "libp2p/net/stream.h"
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#include "libp2p/net/multistream.h"
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#include "libp2p/net/server.h"
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/***
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* Helpers
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*/
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struct StreamMessage* build_message(const char* data) {
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struct StreamMessage* out = libp2p_stream_message_new();
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if (out != NULL) {
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out->data_size = strlen(data);
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out->data = (uint8_t*) malloc(out->data_size);
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memcpy(out->data, data, out->data_size);
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}
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return out;
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}
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/***
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* Sends back the yamux protocol to fake negotiation
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*/
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int mock_yamux_read_protocol(void* context, struct StreamMessage** msg, int network_timeout) {
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*msg = libp2p_stream_message_new();
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struct StreamMessage* message = *msg;
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const char* id = "/yamux/1.0.0\n";
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message->data_size = strlen(id);
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message->data = malloc(message->data_size);
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memcpy(message->data, id, message->data_size);
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return 1;
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}
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/***
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* Sends back the identify protocol (in a yamux wrapper) to fake negotiation
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*/
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int mock_identify_read_protocol(void* context, struct StreamMessage** msg, int network_timeout) {
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struct StreamMessage message;
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const char* id = "/ipfs/id/1.0.0\n";
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message.data_size = strlen(id);
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message.data = (uint8_t*)id;
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*msg = libp2p_yamux_prepare_to_send(&message);
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// adjust the frame
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struct yamux_frame* frame = (struct yamux_frame*)(*msg)->data;
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frame->streamid = 1;
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frame->flags = yamux_frame_syn;
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encode_frame(frame);
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return 1;
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}
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/***
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* Sends back the identify protocol (in a yamux wrapper) to fake negotiation
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*/
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int mock_multistream_read_protocol(void* context, struct StreamMessage** msg, int network_timeout) {
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struct StreamMessage message;
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const char* id = "/multistream/1.0.0\n";
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message.data_size = strlen(id);
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message.data = (uint8_t*)id;
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*msg = libp2p_yamux_prepare_to_send(&message);
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// adjust the frame
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struct yamux_frame* frame = (struct yamux_frame*)(*msg)->data;
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frame->streamid = 1;
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frame->flags = yamux_frame_syn;
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encode_frame(frame);
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return 1;
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}
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int mock_counter = 0;
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/***
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* Sends back the yamux protocol to fake negotiation
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*/
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int mock_multistream_then_identify_read_protocol(void* context, struct StreamMessage** msg, int network_timeout) {
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// prepare the message
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*msg = libp2p_stream_message_new();
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struct StreamMessage* message = *msg;
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message->data_size = mock_message->data_size - mock_message_position;
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message->data = malloc(message->data_size);
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memcpy(message->data, &mock_message->data[mock_message_position], message->data_size);
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if (mock_counter == 0) {
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// this is the first time through. Set mock_message to the identify protocol
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libp2p_stream_message_free(mock_message);
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mock_message = libp2p_net_multistream_prepare_to_send(build_message("/ipfs/id/1.0.0\n"));
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mock_message_position = 0;
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} else {
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libp2p_stream_message_free(mock_message);
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mock_message = NULL;
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mock_message_position = 0;
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}
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return (*msg != NULL);
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}
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/***
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* Tests
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*/
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/***
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* Verify that we can initiate a yamux session
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*/
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int test_yamux_stream_new() {
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int retVal = 0;
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const char* yamux_id = "/yamux/1.0.0\n";
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// setup
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struct Stream* mock_stream = mock_stream_new();
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mock_message = build_message(yamux_id);
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struct Stream* yamux_stream = libp2p_yamux_stream_new(mock_stream, 0, NULL);
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if (yamux_stream == NULL)
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goto exit;
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// tear down
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retVal = 1;
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exit:
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if (yamux_stream != NULL)
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yamux_stream->close(yamux_stream);
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if (mock_message != NULL)
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libp2p_stream_message_free(mock_message);
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return retVal;
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}
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/***
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* Attempt to add a protocol to the Yamux protocol
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*/
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int test_yamux_identify() {
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int retVal = 0;
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// setup
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// mock
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struct Stream* mock_stream = mock_stream_new();
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mock_stream->read = mock_yamux_read_protocol;
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// protocol handlers
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struct Libp2pVector* protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_identify_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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// yamux
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struct Stream* yamux_stream = libp2p_yamux_stream_new(mock_stream, 0, protocol_handlers);
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if (yamux_stream == NULL)
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goto exit;
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// Now add in another protocol
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mock_stream->read = mock_identify_read_protocol;
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if (!libp2p_yamux_stream_add(yamux_stream->stream_context, libp2p_identify_stream_new(yamux_stream))) {
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goto exit;
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}
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// tear down
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retVal = 1;
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exit:
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if (yamux_stream != NULL)
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yamux_stream->close(yamux_stream);
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libp2p_protocol_handlers_shutdown(protocol_handlers);
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if (mock_message != NULL) {
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libp2p_stream_message_free(mock_message);
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mock_message = NULL;
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}
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return retVal;
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}
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/***
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* Attempt to add a protocol to the Yamux protocol
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*/
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/*
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int test_yamux_multistream() {
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int retVal = 0;
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// setup
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// mock
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struct Stream* mock_stream = mock_stream_new();
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mock_stream->read = mock_yamux_read_protocol;
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// protocol handlers
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struct Libp2pVector* protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_identify_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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// yamux
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struct Stream* yamux_stream = libp2p_yamux_stream_new(mock_stream, 0, protocol_handlers);
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if (yamux_stream == NULL)
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goto exit;
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// Now add in another protocol
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mock_stream->read = mock_multistream_read_protocol;
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if (!libp2p_yamux_stream_add(yamux_stream->stream_context, libp2p_multistream_stream_new(yamux_stream))) {
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goto exit;
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}
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// tear down
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retVal = 1;
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exit:
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if (yamux_stream != NULL)
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yamux_stream->close(yamux_stream);
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libp2p_protocol_handlers_shutdown(protocol_handlers);
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if (mock_message != NULL) {
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libp2p_stream_message_free(mock_message);
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mock_message = NULL;
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}
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return retVal;
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}
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*/
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int test_yamux_incoming_protocol_request() {
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int retVal = 0;
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// setup
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// build the protocol handler that can handle yamux, multistream, and identify protocol
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struct Libp2pVector* protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_identify_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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handler = libp2p_net_multistream_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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// set up basic streams
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struct Stream* mock_stream = mock_stream_new();
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struct SessionContext* session_context = ((struct ConnectionContext*)mock_stream->stream_context)->session_context;
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mock_message = build_message("/yamux/1.0.0\n");
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struct StreamMessage* result_message = NULL;
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if (!session_context->default_stream->read(session_context->default_stream->stream_context, &result_message, 10)) {
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libp2p_logger_error("test_yamux", "Unable to read Yamux protocol from mock stream.\n");
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goto exit;
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}
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if (libp2p_protocol_marshal(result_message, session_context->default_stream, protocol_handlers) < 0) {
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libp2p_logger_error("test_yamux", "Upgrade to Yamux protocol unsuccessful.\n");
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goto exit;
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}
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// now we should have upgraded to the yamux protocol
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libp2p_stream_message_free(result_message);
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result_message = NULL;
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if (session_context->default_stream->parent_stream == NULL) {
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libp2p_logger_error("test_yamux", "Upgrade to Yamux protocol appeared susccessful, but was not.\n");
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goto exit;
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}
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// Someone is requesting the multistream protocol
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libp2p_stream_message_free(mock_message);
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mock_message = libp2p_yamux_prepare_to_send(libp2p_net_multistream_prepare_to_send(build_message("/multistream/1.0.0\n")));
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// act like this is new
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struct yamux_frame* frame = (struct yamux_frame*)mock_message->data;
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frame->streamid = (uint32_t)1;
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frame->flags = yamux_frame_syn;
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encode_frame(frame);
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mock_stream->read = mock_stream_read;
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if (!session_context->default_stream->read(session_context->default_stream->stream_context, &result_message, 10)) {
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libp2p_logger_error("test_yamux", "Unable to read multistream protocol.\n");
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goto exit;
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}
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// handle the marshaling of the multistream protocol
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libp2p_protocol_marshal(result_message, session_context->default_stream, protocol_handlers);
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libp2p_stream_message_free(result_message);
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result_message = NULL;
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// now verify the results
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if (session_context->default_stream->stream_type != STREAM_TYPE_YAMUX) {
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libp2p_logger_error("test_yamux", "Expected stream type of %d, but received %d.\n", STREAM_TYPE_YAMUX, session_context->default_stream->stream_type);
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goto exit;
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}
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struct YamuxContext* yamux_context = (struct YamuxContext*)session_context->default_stream->stream_context;
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if (yamux_context->channels->total != 2) {
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libp2p_logger_error("test_yamux", "Identify protocol was not found.\n");
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goto exit;
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}
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// tear down
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retVal = 1;
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exit:
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if (session_context->default_stream != NULL)
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session_context->default_stream->close(session_context->default_stream);
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libp2p_protocol_handlers_shutdown(protocol_handlers);
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return retVal;
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}
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/**
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* Attempt to negotiate the identity protocol, then use it.
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* This makes sure the framing is working correctly betwee identity
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* and yamux
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*/
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int test_yamux_identity_frame() {
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int retVal = 0;
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// setup
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// build the protocol handler that can handle yamux and identify protocol
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struct Libp2pVector* protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_identify_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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struct Stream* mock_stream = mock_stream_new();
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struct SessionContext* session_context = ((struct ConnectionContext*)mock_stream->stream_context)->session_context;
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mock_stream->read = mock_yamux_read_protocol;
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struct StreamMessage* result_message = NULL;
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if (!session_context->default_stream->read(session_context->default_stream->stream_context, &result_message, 10)) {
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libp2p_logger_error("test_yamux", "Unable to read Yamux protocol from mock stream.\n");
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goto exit;
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}
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if (libp2p_protocol_marshal(result_message, session_context->default_stream, protocol_handlers) < 0) {
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libp2p_logger_error("test_yamux", "Upgrade to Yamux protocol unsuccessful.\n");
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goto exit;
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}
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// now we should have upgraded to the yamux protocol
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libp2p_stream_message_free(result_message);
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result_message = NULL;
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if (session_context->default_stream->parent_stream == NULL) {
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libp2p_logger_error("test_yamux", "Upgrade to Yamux protocol appeared susccessful, but was not.\n");
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goto exit;
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}
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// Someone is requesting the identity protocol
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mock_stream->read = mock_multistream_then_identify_read_protocol;
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if (!session_context->default_stream->read(session_context->default_stream->stream_context, &result_message, 10)) {
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libp2p_logger_error("test_yamux", "Unable to read identify protocol.\n");
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goto exit;
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}
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// handle the marshaling of the protocol
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libp2p_protocol_marshal(result_message, session_context->default_stream, protocol_handlers);
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libp2p_stream_message_free(result_message);
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result_message = NULL;
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// now verify the results
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struct YamuxContext* yamux_context = (struct YamuxContext*)session_context->default_stream->stream_context;
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if (yamux_context->channels->total != 2) {
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libp2p_logger_error("test_yamux", "Identify protocol was not found.\n");
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goto exit;
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}
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// prepare a yamux frame that is an identity message
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// send the message
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// tear down
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retVal = 1;
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exit:
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if (session_context->default_stream != NULL)
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session_context->default_stream->close(session_context->default_stream);
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libp2p_protocol_handlers_shutdown(protocol_handlers);
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return retVal;
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}
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int test_yamux_client_server_connect() {
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int retVal = 0;
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struct Libp2pVector* protocol_handlers = NULL;
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struct StreamMessage* resultMessage = NULL;
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//libp2p_logger_add_class("connectionstream");
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// setup
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// build the protocol handler that can handle yamux
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protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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// set up server
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libp2p_net_server_start("127.0.0.1", 1234, protocol_handlers);
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sleep(1);
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// set up client (easiest to use transport dialers)
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struct Dialer* dialer = libp2p_conn_dialer_new(NULL, NULL, NULL, NULL);
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struct MultiAddress* server_ma = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/1234");
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struct Stream* stream = libp2p_conn_dialer_get_connection(dialer, server_ma);
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if (stream == NULL) {
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fprintf(stderr, "Unable to get stream.\n");
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goto exit;
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}
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// have client attempt to connect to server and negotiate yamux
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struct Stream* yamux_stream = libp2p_yamux_stream_new(stream, 0, protocol_handlers);
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if (yamux_stream == NULL) {
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fprintf(stderr, "Was supposed to get yamux protocol id, but instead received nothing.\n");
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goto exit;
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}
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//TODO: make sure everything is negotiated and yamux is in a happy state
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// hangup
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yamux_stream->close(yamux_stream);
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// for debugging
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// sleep(30);
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retVal = 1;
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exit:
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libp2p_net_server_stop();
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if (protocol_handlers != NULL) {
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}
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return retVal;
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}
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int test_yamux_client_server_multistream() {
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int retVal = 0;
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struct Libp2pVector* protocol_handlers = NULL;
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struct StreamMessage* resultMessage = NULL;
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libp2p_logger_add_class("connectionstream");
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libp2p_logger_add_class("multistream");
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libp2p_logger_add_class("yamux");
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// setup
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// build the protocol handler that can handle yamux
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protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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handler = libp2p_net_multistream_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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// set up server
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libp2p_net_server_start("127.0.0.1", 1234, protocol_handlers);
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sleep(1);
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// set up client (easiest to use transport dialers)
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struct Dialer* dialer = libp2p_conn_dialer_new(NULL, NULL, NULL, NULL);
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struct MultiAddress* server_ma = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/1234");
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struct Stream* stream = libp2p_conn_dialer_get_connection(dialer, server_ma);
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if (stream == NULL) {
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fprintf(stderr, "Unable to get stream.\n");
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goto exit;
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}
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// have client attempt to connect to server and negotiate yamux
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struct Stream* yamux_stream = libp2p_yamux_stream_new(stream, 0, protocol_handlers);
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if (yamux_stream == NULL) {
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fprintf(stderr, "Was supposed to get yamux protocol id, but instead received nothing.\n");
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goto exit;
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}
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// now attempt multistream
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struct Stream* multistream = libp2p_net_multistream_stream_new(yamux_stream, 0);
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if (multistream == NULL) {
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fprintf(stderr, "Was supposed to get a multistream, but instead got NULL.\n");
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goto exit;
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}
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// shut down nicely
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multistream->close(multistream);
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retVal = 1;
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exit:
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libp2p_net_server_stop();
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if (protocol_handlers != NULL) {
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}
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return retVal;
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}
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int test_yamux_multistream_server() {
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int retVal = 0;
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struct Libp2pVector* protocol_handlers = NULL;
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struct StreamMessage* resultMessage = NULL;
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libp2p_logger_add_class("connectionstream");
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libp2p_logger_add_class("multistream");
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libp2p_logger_add_class("yamux");
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// setup
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// build the protocol handler that can handle yamux
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protocol_handlers = libp2p_utils_vector_new(1);
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struct Libp2pProtocolHandler* handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
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libp2p_utils_vector_add(protocol_handlers, handler);
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handler = libp2p_net_multistream_build_protocol_handler(protocol_handlers);
|
|
libp2p_utils_vector_add(protocol_handlers, handler);
|
|
// set up server
|
|
libp2p_net_server_start("127.0.0.1", 1234, protocol_handlers);
|
|
// debugging
|
|
sleep(120);
|
|
retVal = 1;
|
|
exit:
|
|
libp2p_net_server_stop();
|
|
if (protocol_handlers != NULL) {
|
|
|
|
}
|
|
return retVal;
|
|
|
|
}
|
|
int test_yamux_multistream_client() {
|
|
int retVal = 0;
|
|
struct Libp2pVector* protocol_handlers = NULL;
|
|
struct StreamMessage* resultMessage = NULL;
|
|
|
|
libp2p_logger_add_class("connectionstream");
|
|
libp2p_logger_add_class("multistream");
|
|
libp2p_logger_add_class("yamux");
|
|
|
|
// setup
|
|
// build the protocol handler that can handle yamux
|
|
protocol_handlers = libp2p_utils_vector_new(1);
|
|
struct Libp2pProtocolHandler* handler = libp2p_yamux_build_protocol_handler(protocol_handlers);
|
|
libp2p_utils_vector_add(protocol_handlers, handler);
|
|
handler = libp2p_net_multistream_build_protocol_handler(protocol_handlers);
|
|
libp2p_utils_vector_add(protocol_handlers, handler);
|
|
// set up client (easiest to use transport dialers)
|
|
struct Dialer* dialer = libp2p_conn_dialer_new(NULL, NULL, NULL, NULL);
|
|
struct MultiAddress* server_ma = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/1234");
|
|
struct Stream* stream = libp2p_conn_dialer_get_connection(dialer, server_ma);
|
|
if (stream == NULL) {
|
|
fprintf(stderr, "Unable to get stream.\n");
|
|
goto exit;
|
|
}
|
|
// have client attempt to connect to server and negotiate yamux
|
|
struct Stream* yamux_stream = libp2p_yamux_stream_new(stream, 0, protocol_handlers);
|
|
if (yamux_stream == NULL) {
|
|
fprintf(stderr, "Was supposed to get yamux protocol id, but instead received nothing.\n");
|
|
goto exit;
|
|
}
|
|
// now attempt multistream
|
|
struct Stream* multistream = libp2p_net_multistream_stream_new(yamux_stream, 0);
|
|
if (multistream == NULL) {
|
|
fprintf(stderr, "Was supposed to get a multistream, but instead got NULL.\n");
|
|
goto exit;
|
|
}
|
|
// shut down nicely
|
|
multistream->close(multistream);
|
|
// debugging
|
|
sleep(30);
|
|
retVal = 1;
|
|
exit:
|
|
if (protocol_handlers != NULL) {
|
|
|
|
}
|
|
return retVal;
|
|
|
|
}
|