initial commit

third_party/libhv/unittest/nslookup_test.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+
+#include "hplatform.h" // inet_ntop
+#include "dns.h" // nslookup
+
+int main(int argc, char* argv[]) {
+    if (argc < 2) {
+        printf("Usage: nslookup domain [nameserver]\n");
+        return -1;
+    }
+
+    const char* domain = argv[1];
+    const char* nameserver = "127.0.1.1";
+#ifndef OS_LINUX
+    nameserver = "114.114.114.114";
+    // nameserver = "8.8.8.8";
+#endif
+
+    if (argc > 2) {
+        nameserver = argv[2];
+    }
+
+    uint32_t addrs[16];
+    int naddr = nslookup(domain, addrs, 16, nameserver);
+    if (naddr < 0) {
+        return naddr;
+    }
+    char ip[16];
+    for (int i = 0; i < naddr; ++i) {
+        inet_ntop(AF_INET, (void*)&addrs[i], ip, 16);
+        printf("%s\n", ip);
+    }
+    return 0;
+}