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FS-9775: Added some preliminary message processing, and unit testing for it

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This commit is contained in:
Shane Bryldt 2016-11-30 22:43:48 +00:00 committed by Mike Jerris
parent 2eaf001080
commit f9ed958ecc
2 changed files with 77 additions and 2 deletions
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61
libs/libks/src/dht/ks_dht.c
View File

@ -220,9 +220,70 @@ KS_DECLARE(ks_status_t) ks_dht2_idle(ks_dht2_t *dht)
*/
KS_DECLARE(ks_status_t) ks_dht2_process(ks_dht2_t *dht, ks_sockaddr_t *raddr)
{
struct bencode *message;
struct bencode *t;
struct bencode *y;
const char *tv;
const char *yv;
ks_size_t tv_len;
ks_size_t yv_len;
uint16_t transactionid;
char messagetype;
ks_assert(dht);
ks_assert(raddr);
ks_log(KS_LOG_DEBUG, "Received message from %s %d\n", raddr->host, raddr->port);
if (raddr->family != AF_INET && raddr->family != AF_INET6) {
ks_log(KS_LOG_DEBUG, "Message from unsupported address family\n");
return KS_STATUS_FAIL;
}
// @todo blacklist check for bad actor nodes
message = ben_decode((const void *)dht->recv_buffer, dht->recv_buffer_length);
if (!message) {
ks_log(KS_LOG_DEBUG, "Message cannot be decoded\n");
return KS_STATUS_FAIL;
}
ks_log(KS_LOG_DEBUG, "Message decoded\n");
ks_log(KS_LOG_DEBUG, "%s\n", ben_print(message));
t = ben_dict_get_by_str(message, "t");
if (!t) {
ks_log(KS_LOG_DEBUG, "Message missing required key 't'\n");
return KS_STATUS_FAIL;
}
tv = ben_str_val(t);
tv_len = ben_str_len(t);
if (tv_len != sizeof(uint16_t)) {
ks_log(KS_LOG_DEBUG, "Message 't' value has an unexpected size of %d\n", tv_len);
return KS_STATUS_FAIL;
}
transactionid = ntohs(*((uint16_t *)tv));
ks_log(KS_LOG_DEBUG, "Message transaction id is %d\n", transactionid);
y = ben_dict_get_by_str(message, "y");
if (!y) {
ks_log(KS_LOG_DEBUG, "Message missing required key 'y'\n");
return KS_STATUS_FAIL;
}
yv = ben_str_val(y);
yv_len = ben_str_len(y);
if (yv_len != 1) {
ks_log(KS_LOG_DEBUG, "Message 'y' value has an unexpected size of %d\n", yv_len);
return KS_STATUS_FAIL;
}
messagetype = (char)yv[0];
ks_log(KS_LOG_DEBUG, "Message type is '%c'\n", messagetype);
// @todo dispatch callback from the 'y' registry
return KS_STATUS_SUCCESS;
}

18
libs/libks/test/testdht2.c
View File

@ -1,8 +1,13 @@
#include <ks.h>
#include <../dht/ks_dht.h>
#include <../dht/ks_dht-int.h>
#include <../dht/ks_dht_endpoint-int.h>
#include <tap.h>
#define TEST_DHT1_PROCESS_BUFFER "d1:ad2:id20:12345678901234567890e1:q4:ping1:t2:421:y1:qe"
int main() {
ks_size_t buflen = strlen(TEST_DHT1_PROCESS_BUFFER);
ks_status_t err;
int mask = 0;
ks_dht2_t *dht1 = NULL;
@ -10,10 +15,13 @@ int main() {
ks_bool_t have_v4, have_v6;
char v4[48] = {0}, v6[48] = {0};
ks_sockaddr_t addr;
ks_sockaddr_t raddr;
err = ks_init();
ok(!err);
ks_global_set_default_logger(7);
err = ks_find_local_ip(v4, sizeof(v4), &mask, AF_INET, NULL);
ok(err == KS_STATUS_SUCCESS);
have_v4 = !zstr_buf(v4);
@ -52,9 +60,11 @@ int main() {
err = ks_addr_set(&addr, v4, KS_DHT_DEFAULT_PORT + 1, AF_INET);
ok(err == KS_STATUS_SUCCESS);
err = ks_dht2_bind(&dht2, &addr);
ok(err == KS_STATUS_SUCCESS);
raddr = addr;
}
if (have_v6) {
@ -71,8 +81,12 @@ int main() {
ok(err == KS_STATUS_SUCCESS);
}
// @todo populate dht1->recv_buffer and dht1->recv_buffer_length
memcpy(dht1->recv_buffer, TEST_DHT1_PROCESS_BUFFER, buflen);
dht1->recv_buffer_length = buflen;
err = ks_dht2_process(dht1, &raddr);
ok(err == KS_STATUS_SUCCESS);
/* Cleanup and shutdown */