Add HttpRequest::connect_timeout

Author: ithewei

http/HttpMessage.h

@@ -395,6 +395,7 @@ class HV_EXPORT HttpMessage {
 
 #define DEFAULT_HTTP_USER_AGENT "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
 #define DEFAULT_HTTP_TIMEOUT            60 // s
+#define DEFAULT_HTTP_CONNECT_TIMEOUT    10 // s
 #define DEFAULT_HTTP_FAIL_RETRY_COUNT   1
 #define DEFAULT_HTTP_FAIL_RETRY_DELAY   1000 // ms
 
@@ -412,9 +413,10 @@ class HV_EXPORT HttpRequest : public HttpMessage {
     // client_addr
     hv::NetAddr         client_addr; // for http server save client addr of request
     // for HttpClient
-    int                 timeout;     // unit: s
-    int                 retry_count; // just for AsyncHttpClient fail retry
-    int                 retry_delay; // just for AsyncHttpClient fail retry
+    uint16_t            timeout;        // unit: s
+    uint16_t            connect_timeout;// unit: s
+    uint32_t            retry_count;    // just for AsyncHttpClient fail retry
+    uint32_t            retry_delay;    // just for AsyncHttpClient fail retry
     unsigned            redirect: 1;
     unsigned            proxy   : 1;
 
@@ -432,6 +434,7 @@ class HV_EXPORT HttpRequest : public HttpMessage {
         port = DEFAULT_HTTP_PORT;
         path = "/";
         timeout = DEFAULT_HTTP_TIMEOUT;
+        connect_timeout = DEFAULT_HTTP_CONNECT_TIMEOUT;
         retry_count = DEFAULT_HTTP_FAIL_RETRY_COUNT;
         retry_delay = DEFAULT_HTTP_FAIL_RETRY_DELAY;
         redirect = 1;

http/client/AsyncHttpClient.cpp

@@ -128,6 +128,9 @@ int AsyncHttpClient::doTask(const HttpClientTaskPtr& task) {
         sendRequest(channel);
     } else {
         // startConnect
+        if (req->connect_timeout > 0) {
+            channel->setConnectTimeout(req->connect_timeout * 1000);
+        }
         channel->startConnect();
     }
 

http/client/http_client.cpp

@@ -487,7 +487,7 @@ int __http_client_send(http_client_t* cli, HttpRequest* req, HttpResponse* resp)
     int fail_cnt = 0;
     if (connfd <= 0) {
 connect:
-        connfd = http_client_connect(cli, req->host.c_str(), req->port, https, req->timeout);
+        connfd = http_client_connect(cli, req->host.c_str(), req->port, https, MIN(req->connect_timeout, req->timeout));
         if (connfd < 0) {
             return connfd;
         }