Proxy support

include/http/libcurl_http_client.h

@@ -334,10 +334,10 @@ namespace azure {  namespace storage_lite {
             return res;
         }
 
-	 const std::string& get_capath(void)
-	 {
-	     return m_capath;
-	 }
+        const std::string& get_capath()
+        {
+            return m_capath;
+        }
 
         void release_handle(CURL *h)
         {
@@ -346,9 +346,20 @@ namespace azure {  namespace storage_lite {
             m_cv.notify_one();
         }
 
+        void set_proxy(std::string proxy)
+        {
+            m_proxy = std::move(proxy);
+        }
+
+        const std::string& get_proxy() const
+        {
+            return m_proxy;
+        }
+
     private:
         int m_size;
         std::string m_capath;
+        std::string m_proxy;
         std::queue<CURL *> m_handles;
         std::mutex m_handles_mutex;
         std::condition_variable m_cv;

src/http/libcurl_http_client.cpp

@@ -4,19 +4,13 @@
 
 #include "constants.h"
 
-namespace azure {  namespace storage_lite {
+namespace azure { namespace storage_lite {
 
         CurlEasyRequest::CurlEasyRequest(std::shared_ptr<CurlEasyClient> client, CURL *h)
-        : m_client(client),
-            m_curl(h),
-            m_slist(NULL)
+            : m_client(client), m_curl(h), m_slist(NULL)
         {
             check_code(curl_easy_setopt(m_curl, CURLOPT_HEADERFUNCTION, header_callback));
             check_code(curl_easy_setopt(m_curl, CURLOPT_HEADERDATA, this));
-            if (!m_client->get_capath().empty())
-            {
-                check_code(curl_easy_setopt(m_curl, CURLOPT_CAINFO, m_client->get_capath().data()));
-            }
         }
 
         CurlEasyRequest::~CurlEasyRequest()
@@ -39,10 +33,10 @@ namespace azure {  namespace storage_lite {
             switch (m_method)
             {
             case http_method::get:
-                check_code(curl_easy_setopt(m_curl, CURLOPT_HTTPGET, 1));
+                check_code(curl_easy_setopt(m_curl, CURLOPT_HTTPGET, 1L));
                 break;
             case http_method::put:
-                check_code(curl_easy_setopt(m_curl, CURLOPT_UPLOAD, 1));
+                check_code(curl_easy_setopt(m_curl, CURLOPT_UPLOAD, 1L));
                 break;
             case http_method::del:
                 check_code(curl_easy_setopt(m_curl, CURLOPT_CUSTOMREQUEST, constants::http_delete));
@@ -55,7 +49,7 @@ namespace azure {  namespace storage_lite {
                 check_code(curl_easy_setopt(m_curl, CURLOPT_CUSTOMREQUEST, constants::http_post));
                 break;
             case http_method::patch:
-                check_code(curl_easy_setopt(m_curl, CURLOPT_UPLOAD, 1));
+                check_code(curl_easy_setopt(m_curl, CURLOPT_UPLOAD, 1L));
                 check_code(curl_easy_setopt(m_curl, CURLOPT_CUSTOMREQUEST, constants::http_patch));
                 break;
             }
@@ -66,6 +60,16 @@ namespace azure {  namespace storage_lite {
             m_slist = curl_slist_append(m_slist, "Expect:");
             check_code(curl_easy_setopt(m_curl, CURLOPT_HTTPHEADER, m_slist));
 
+            if (!m_client->get_capath().empty())
+            {
+                check_code(curl_easy_setopt(m_curl, CURLOPT_CAINFO, m_client->get_capath().data()));
+            }
+
+            if (!m_client->get_proxy().empty())
+            {
+                check_code(curl_easy_setopt(m_curl, CURLOPT_PROXY, m_client->get_proxy().data()));
+            }
+
             const auto result = curl_easy_perform(m_curl);
             check_code(result); // has nothing to do with checks, just resets errno for succeeded ops.
             return result;