add old v0.4 code

client/libcurl/main.c

@@ -83,6 +83,13 @@ CURL* start_request(const char* url, const char* json_params, DataCallback data_
       curl_easy_setopt(http_handle, CURLOPT_VERBOSE, 1L);
     }
 
+    if (strcmp(key, "_connect_only") == 0) {
+      curl_easy_setopt(http_handle, CURLOPT_CONNECT_ONLY, 1L);
+      curl_easy_setopt(http_handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+      curl_easy_setopt(http_handle, CURLOPT_SSL_ENABLE_ALPN, 0L);
+      prevent_cleanup = 1;
+    }
+
     if (strcmp(key, "method") == 0 && cJSON_IsString(item)) {
       curl_easy_setopt(http_handle, CURLOPT_CUSTOMREQUEST, item->valuestring);
     }

client/libcurl/tls_socket.c

@@ -0,0 +1,24 @@
+#include <stdlib.h>
+
+#include "curl/curl.h"
+#include "curl/easy.h"
+#include "types.h"
+
+struct WSResult* recv_from_socket(CURL* http_handle, int buffer_size) {
+  size_t nread;
+  char* buffer = malloc(buffer_size);
+  CURLcode res = curl_easy_recv(http_handle, buffer, buffer_size, &nread);
+  
+  struct WSResult* result = malloc(sizeof(struct WSResult));
+  result->buffer_size = nread;
+  result->buffer = buffer;
+  result->res = (int) res;
+  result->closed = (nread == 0);
+  return result;
+}
+
+int send_to_socket(CURL* http_handle, const char* data, int data_len) {
+  size_t sent;
+  CURLcode res = curl_easy_send(http_handle, data, data_len, &sent);
+  return (int) res;
+}

client/libcurl/websocket.c

@@ -37,7 +37,7 @@ void close_websocket(CURL* http_handle) {
 }
 
 //clean up the http handle associated with the websocket, since the main loop can't do this automatically
-void cleanup_websocket(CURL* http_handle) {
+void cleanup_handle(CURL* http_handle) {
   struct RequestInfo *request_info;
   curl_easy_getinfo(http_handle, CURLINFO_PRIVATE, &request_info);