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Added test for record peer and fixes

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This commit is contained in:
John Jones 2017-02-20 08:19:22 -05:00
parent cd27026cb5
commit 7f00ce69fe
7 changed files with 118 additions and 34 deletions
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12
include/libp2p/utils/linked_list.h
View file

@ -4,3 +4,15 @@ struct Libp2pLinkedList {
void* item;
void* next;
};
/***
* Create a new linked list struct
* @returns a new linked list struct
*/
struct Libp2pLinkedList* libp2p_utils_linked_list_new();
/**
* Free resources from a linked list
* @param head the top of the linked list
*/
void libp2p_utils_linked_list_free(struct Libp2pLinkedList* head);

2
record/Makefile
View file

@ -1,5 +1,5 @@
CC = gcc
CFLAGS = -O0 -I../include -I../../c-protobuf -I../../c-multihash/include -g3
CFLAGS = -O0 -I../include -I../../c-protobuf -I../../c-multihash/include -I../../c-multiaddr/include -g3
LFLAGS =
DEPS =
OBJS = record.o message.o

46
record/message.c
View file

@ -4,6 +4,8 @@
#include "libp2p/utils/linked_list.h"
#include "libp2p/utils/vector.h"
#include "protobuf.h"
#include "multiaddr/multiaddr.h"
/**
* create a new Peer struct
* @returns a struct or NULL if there was a problem
@ -27,7 +29,7 @@ void libp2p_message_peer_free(struct Libp2pPeer* in) {
struct Libp2pLinkedList* current = in->addr_head;
while (current != NULL) {
struct Libp2pLinkedList* temp = current->next;
free(current->item);
multiaddress_free((struct MultiAddress*)current->item);
current = temp;
}
free(in);
@ -40,12 +42,9 @@ size_t libp2p_message_peer_protobuf_encode_size(struct Libp2pPeer* in) {
// loop through the multiaddresses
struct Libp2pLinkedList* current = in->addr_head;
while (current != NULL) {
unsigned char* data = (unsigned char*)current->item;
struct Libp2pVector* vector;
if (!libp2p_utils_vector_unserialize(data, &vector))
return 0;
sz += 11 + vector->buffer_size;
libp2p_utils_vector_free(vector);
// find the length of the MultiAddress converted into bytes
struct MultiAddress* data = (struct MultiAddress*)current->item;
sz += 11 + data->bsize;
current = current->next;
}
return sz;
@ -64,11 +63,8 @@ int libp2p_message_peer_protobuf_encode(struct Libp2pPeer* in, unsigned char* bu
// field 2 (repeated)
struct Libp2pLinkedList* current = in->addr_head;
while (current != NULL) {
struct Libp2pVector* vector;
if (!libp2p_utils_vector_unserialize(current->item, &vector))
return 0;
retVal = protobuf_encode_length_delimited(2, WIRETYPE_LENGTH_DELIMITED, vector->buffer, vector->buffer_size, &buffer[*bytes_written], max_buffer_size - *bytes_written, &bytes_used);
libp2p_utils_vector_free(vector);
struct MultiAddress* data = (struct MultiAddress*)current->item;
retVal = protobuf_encode_length_delimited(2, WIRETYPE_LENGTH_DELIMITED, data->bytes, data->bsize, &buffer[*bytes_written], max_buffer_size - *bytes_written, &bytes_used);
if (retVal == 0)
return 0;
*bytes_written += bytes_used;
@ -85,13 +81,11 @@ int libp2p_message_peer_protobuf_encode(struct Libp2pPeer* in, unsigned char* bu
int libp2p_message_peer_protobuf_decode(unsigned char* in, size_t in_size, struct Libp2pPeer** out) {
size_t pos = 0;
int retVal = 0;
unsigned char* buffer = NULL;
char* buffer = NULL;
size_t buffer_size = 0;
struct Libp2pVector vector;
struct Libp2pLinkedList* current = NULL;
struct Libp2pLinkedList* last = NULL;
vector.buffer = NULL;
struct MultiAddress* ma = NULL;
if ( (*out = (struct Libp2pPeer*)malloc(sizeof(struct Libp2pPeer))) == NULL)
goto exit;
@ -100,7 +94,6 @@ int libp2p_message_peer_protobuf_decode(unsigned char* in, size_t in_size, struc
ptr->addr_head = NULL;
while(pos < in_size) {
size_t bytes_read = 0;
int field_no;
@ -115,23 +108,18 @@ int libp2p_message_peer_protobuf_decode(unsigned char* in, size_t in_size, struc
goto exit;
pos += bytes_read;
break;
case (2): { // array of bytes that is a multiaddress, put it in a vector
if (!protobuf_decode_length_delimited(&in[pos], in_size - pos, (char**)&vector.buffer, &vector.buffer_size, &bytes_read))
case (2): { // multiaddress bytes
if (!protobuf_decode_length_delimited(&in[pos], in_size - pos, &buffer, &buffer_size, &bytes_read))
goto exit;
pos += bytes_read;
// now turn it into a byte array
// now turn it into multiaddress
struct Libp2pLinkedList* current = (struct Libp2pLinkedList*)malloc(sizeof(struct Libp2pLinkedList));
if (current == NULL)
goto exit;
current->next = NULL;
size_t vector_size;
if (!libp2p_utils_vector_serialize(&vector, (unsigned char**)&current->item, &vector_size)) {
free(current);
goto exit;
}
// clean up vector
free(vector.buffer);
vector.buffer = NULL;
current->item = (void*)multiaddress_new_from_bytes(buffer, buffer_size);
free(buffer);
buffer = NULL;
// assign the values
if (ptr->addr_head == NULL) {
ptr->addr_head = current;
@ -159,8 +147,6 @@ exit:
}
if (buffer != NULL)
free(buffer);
if (vector.buffer != NULL)
free(vector.buffer);
return retVal;
}

64
test/test_record.h
View file

@ -1,6 +1,8 @@
#include <stdlib.h>
#include "libp2p/record/record.h"
#include "libp2p/record/message.h"
#include "multiaddr/multiaddr.h"
int setval(char** result, size_t* result_size, char* in) {
*result = malloc(strlen(in) + 1);
@ -129,3 +131,65 @@ int test_record_make_put_record() {
return retVal;
}
int test_record_peer_protobuf() {
struct Libp2pPeer* peer = NULL;
struct MultiAddress* multi_addr1 = NULL;
struct MultiAddress* multi_addr2 = NULL;
int retVal = 0;
unsigned char* protobuf = NULL;
size_t protobuf_size = 0;
struct Libp2pPeer* result = NULL;
// make multiaddress
multi_addr1 = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/4001");
// make peer
peer = libp2p_message_peer_new();
peer->connection_type = CONNECTION_TYPE_CAN_CONNECT;
peer->id = malloc(7);
strcpy(peer->id, "ABC123");
peer->id_size = strlen(peer->id);
peer->addr_head = libp2p_utils_linked_list_new();
peer->addr_head->item = multi_addr1;
// protobuf
protobuf_size = libp2p_message_peer_protobuf_encode_size(peer);
protobuf = (unsigned char*)malloc(protobuf_size);
if (protobuf == NULL)
goto exit;
if (!libp2p_message_peer_protobuf_encode(peer, protobuf, protobuf_size, &protobuf_size))
goto exit;
// unprotobuf
if (!libp2p_message_peer_protobuf_decode(protobuf, protobuf_size, &result))
goto exit;
// check results
if (!strncmp(peer->id, result->id, peer->id_size) == 0)
goto exit;
if (peer->id_size != result->id_size
|| peer->connection_type != result->connection_type)
goto exit;
// check multiaddress
multi_addr2 = (struct MultiAddress*)result->addr_head->item;
if (multi_addr1->bsize != multi_addr2->bsize)
goto exit;
if (strncmp(multi_addr1->bytes, multi_addr2->bytes, multi_addr2->bsize) != 0)
goto exit;
// cleanup
retVal = 1;
exit:
if (multi_addr1 != NULL)
multiaddress_free(multi_addr1);
if (peer != NULL)
libp2p_message_peer_free(peer);
if (protobuf != NULL)
free(protobuf);
if (result != NULL)
libp2p_message_peer_free(result);
return retVal;
}

6
test/testit.c
View file

@ -40,7 +40,8 @@ const char* names[] = {
"test_dialer_new",
"test_dialer_dial",
"test_record_protobuf",
"test_record_make_put_record"
"test_record_make_put_record",
"test_record_peer_protobuf"
};
int (*funcs[])(void) = {
@ -72,7 +73,8 @@ int (*funcs[])(void) = {
test_dialer_new,
test_dialer_dial,
test_record_protobuf,
test_record_make_put_record
test_record_make_put_record,
test_record_peer_protobuf
};
int testit(const char* name, int (*func)(void)) {

2
utils/Makefile
View file

@ -7,7 +7,7 @@ endif
LFLAGS =
DEPS =
OBJS = string_list.o vector.o
OBJS = string_list.o vector.o linked_list.o
%.o: %.c $(DEPS)
$(CC) -c -o $@ $< $(CFLAGS)

20
utils/linked_list.c Normal file
View file

@ -0,0 +1,20 @@
#include <stdlib.h>
#include "libp2p/utils/linked_list.h"
struct Libp2pLinkedList* libp2p_utils_linked_list_new() {
struct Libp2pLinkedList* out = (struct Libp2pLinkedList*)malloc(sizeof(struct Libp2pLinkedList));
if (out != NULL) {
out->item = NULL;
out->next = NULL;
}
return out;
}
void libp2p_utils_linked_list_free(struct Libp2pLinkedList* head) {
struct Libp2pLinkedList* current = head;
while (current != NULL) {
free(current->item);
current = current->next;
}
}