Review corrections

-Check address version NSAPI_UNSPEC
-Disable traces
-More specific interface ID parsing
-Harmonize return values
pull/13735/head
Arto Kinnunen 2020-08-31 10:53:48 +03:00
parent 0af9d04e4a
commit 321434eae4
1 changed files with 19 additions and 8 deletions

View File

@ -37,11 +37,11 @@
#include "ns_trace.h"
#define TRACE_GROUP "nsif"
#define NSIF_DEEP_TRACE
//#define NSIF_DEEP_TRACE
#ifdef NSIF_DEEP_TRACE
#define TRACE_DEEP tr_debug
#else
#define TRACE_DEP(...)
#define TRACE_DEEP(...)
#endif
#define NS_INTERFACE_SOCKETS_MAX 16 //same as NanoStack SOCKET_MAX
@ -160,6 +160,7 @@ static int8_t find_interface_by_address(const uint8_t target_addr[16])
static int8_t nanostack_interface_id_parse(const char* interface_name)
{
int namelen;
int8_t interface_id = -1;
TRACE_DEEP("nanostack_interface_id_parse() %s", interface_name ? interface_name : "null");
@ -169,20 +170,20 @@ static int8_t nanostack_interface_id_parse(const char* interface_name)
}
// parse interface ID from the interface_name
if (strlen(interface_name) < 4) {
namelen = strlen(interface_name);
if (namelen < 4 || namelen > 5) {
return -1;
}
interface_id = atoi(&interface_name[3]);
if (interface_id < 0) {
return -1;
if ((strncmp("MES", interface_name, 3) == 0) && isdigit(interface_name[3])) {
interface_id = atoi(&interface_name[3]);
}
TRACE_DEEP("parsed interfaceID = %d", interface_id);
return interface_id;
}
static int8_t nanostack_dns_query_result_check(const char *domain_name, SocketAddress *address, const char *interface_name)
static int nanostack_dns_query_result_check(const char *domain_name, SocketAddress *address, const char *interface_name)
{
uint8_t dns_query_addr[16] = {0};
int8_t interface_id, ns_query_result;
@ -599,9 +600,14 @@ nsapi_error_t Nanostack::gethostbyname(const char *name, SocketAddress *address,
return NSAPI_ERROR_OK;
}
// Nanostack is IPv6 stack
if (version == NSAPI_UNSPEC) {
version = NSAPI_IPv6;
}
// try nanostack DNS cache, if not found then fallback to dns query
if (nanostack_dns_query_result_check(name, address, interface_name) == 0) {
return 0;
return NSAPI_ERROR_OK;
}
return nsapi_dns_query(this, name, address, interface_name, version);
@ -624,6 +630,11 @@ nsapi_value_or_error_t Nanostack::gethostbyname_async(const char *name, hostbyna
return NSAPI_ERROR_OK;
}
// Nanostack is IPv6 stack
if (version == NSAPI_UNSPEC) {
version = NSAPI_IPv6;
}
// try nanostack DNS cache, if not found then fallback to dns query
if (nanostack_dns_query_result_check(name, &address, interface_name) == 0) {
// hit found, return result immediately