feature:添加http head请求的支持 (#4321)

添加http head请求的支持

src/Http/HttpClient.cpp

@@ -264,7 +264,7 @@ ssize_t HttpClient::onRecvHeader(const char *data, size_t len) {
         _total_body_size = -1;
     }
 
-    if (_total_body_size == 0) {
+    if (_total_body_size == 0 || _method == "HEAD") {
         // 后续没content，本次http请求结束  [AUTO-TRANSLATED:8532172f]
         // There is no content afterwards, this http request ends
         onResponseCompleted_l(SockException(Err_success, "The request is successful but has no body"));

tests/test_http_head.cpp

@@ -0,0 +1,27 @@
+#include "Http/HttpRequester.h"
+
+int main() {
+    auto requester = std::make_shared<mediakit::HttpRequester>();
+    requester->setMethod("HEAD");
+
+    requester->startRequester(
+        "http://baidu.com",
+
+        [](const toolkit::SockException &ex, const mediakit::Parser &parser) {
+            if (ex) {
+                PrintI("HEAD请求失败: %s", ex.what());
+                return;
+            }
+
+            // 检查HTTP状态码
+            if (parser.status() != "200") {
+                PrintI("HEAD请求返回错误状态: %s", parser.status().c_str());
+                return;
+            }
+            for (auto &header : parser.getHeader()) {
+                PrintI("key=%s, val=%s", header.first.c_str(), header.second.c_str());
+            }
+        });
+    getchar();
+    return 0;
+}