98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "multiaddr/multiaddr.h"
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#include "libp2p/conn/session.h"
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#include "libp2p/net/stream.h"
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struct SessionContext* libp2p_session_context_new() {
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struct SessionContext* context = (struct SessionContext*) malloc(sizeof(struct SessionContext));
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if (context != NULL) {
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context->aes_decode_nonce_offset = 0;
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memset(&context->aes_decode_stream_block[0], 0, 16);
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context->aes_encode_nonce_offset = 0;
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memset(&context->aes_encode_stream_block[0], 0, 16);
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context->chosen_cipher = NULL;
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context->chosen_curve = NULL;
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context->chosen_hash = NULL;
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context->datastore = NULL;
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context->default_stream = NULL;
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context->ephemeral_private_key = NULL;
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context->filestore = NULL;
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context->host = NULL;
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context->insecure_stream = NULL;
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memset(&context->local_nonce[0], 0, 16);
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context->local_stretched_key = NULL;
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context->mac_function = NULL;
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context->port = 0;
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context->remote_ephemeral_public_key = NULL;
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context->remote_ephemeral_public_key_size = 0;
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context->remote_key.data_size = 0;
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context->remote_key.data = NULL;
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context->remote_key.type = KEYTYPE_INVALID;
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memset(&context->remote_nonce[0], 0, 16);
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context->remote_peer_id = NULL;
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context->remote_stretched_key = NULL;
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context->secure_stream = NULL;
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context->shared_key = NULL;
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context->shared_key_size = 0;
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context->traffic_type = TCP;
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}
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return context;
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}
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int libp2p_session_context_free(struct SessionContext* context) {
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if (context != NULL) {
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if (context->default_stream != NULL)
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context->default_stream->close(context);
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context->default_stream = NULL;
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context->insecure_stream = NULL;
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context->secure_stream = NULL;
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free(context);
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}
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return 1;
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}
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int libp2p_session_context_compare_streams(const struct Stream* a, const struct Stream* b) {
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if (a == NULL && b == NULL)
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return 0;
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if (a == NULL && b != NULL)
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return -1;
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if (a != NULL && b == NULL)
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return 1;
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return multiaddress_compare(a->address, b->address);
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}
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int libp2p_session_context_compare_remote_key(const struct PublicKey* a, const struct PublicKey* b) {
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if (a == NULL && b == NULL)
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return 0;
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if (a == NULL && b != NULL)
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return -1;
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if (a != NULL && b == NULL)
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return 1;
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int total = b->data_size - a->data_size;
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if (total != 0)
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return total;
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for(size_t i = 0; i < b->data_size; i++) {
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total = b->data[i] - a->data[i];
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if (total != 0)
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return total;
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}
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return 0;
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}
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int libp2p_session_context_compare(const struct SessionContext* a, const struct SessionContext* b) {
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int total = 0;
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if (a == NULL && b == NULL)
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return 0;
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if (a == NULL && b != NULL)
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return -1;
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if (a != NULL && b == NULL)
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return 1;
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// streams
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total = libp2p_session_context_compare_streams(a->default_stream, b->default_stream);
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if (total != 0)
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return total;
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// remote key
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total = libp2p_session_context_compare_remote_key(&a->remote_key, &b->remote_key);
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return total;
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}
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