changes

1 files changed, 56 insertions, 0 deletions

diff --git a/src/d_linux.c b/src/d_linux.c
new file mode 100644
index 0000000..5ff6abd
--- /dev/null
+++ b/src/d_linux.c
@@ -0,0 +1,56 @@
+typedef struct DHandle {
+    u64 type;
+} DHandle; 
+
+b32 d_init(void) {
+    return true;
+}
+
+String d_hostname_ip_get(String host, Allocator alloc) {
+    char *host_cstr;
+    Allocator talloc;
+    int err;
+    String ip;
+
+    talloc = un_alloc_temp_get();
+    host_cstr = (char *) un_string_to_cstring(host, talloc);
+
+    // @note, host_info can return multiple ip addresses?
+    struct hostent *host_info = gethostbyname(host_cstr);
+
+    if (!host_info) {
+        err = h_errno;
+
+        switch (err) {
+            case TRY_AGAIN:
+                cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: host not found (TRY_AGAIN).");
+                break;
+            case HOST_NOT_FOUND:
+                cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: host not found (HOST_NOT_FOUND).");
+                break;
+            case NO_DATA:
+                cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: no host data (NO_DATA).");
+                break;
+            default:
+                cyn_log_write_cstring(CYN_LOG_ERROR, (u8*) "d_get_hostname_ip: unspecified error.");
+                break;
+        }
+
+        return CLITERAL(String) { 0 };
+    }
+
+    if (host_info) {
+        assert(host_info->h_addrtype == AF_INET);
+
+        assert(host_info->h_length >= (s32)sizeof(struct in_addr));
+        ip = un_string_from_cstring(inet_ntoa(*(struct in_addr *)*host_info->h_addr_list));
+
+        return un_string_copy(ip, alloc);
+    }
+
+    return CLITERAL(String) { 0 };
+}
+
+DHandle* d_tcp_connect(String ip, u16 port) {
+
+}