[core] bugfix with ssl read;

lib/sxmplv2.c

@@ -777,7 +777,15 @@ static void *__sxmpl_thread(void *b)
     gettimeofday(&beg, NULL);
 #endif
     memset(mhead, 0, sizeof(sxmplv2_head_t));
-    rd = __conn_read(co, mhead, sizeof(sxmplv2_head_t));
+    total_rd = 0;
+    while(total_rd != sizeof(sxmplv2_head_t)) {
+      total_rd += __conn_read(co, buf + total_rd, sizeof(sxmplv2_head_t) - total_rd);
+      if(total_rd == -1) {
+        co->flags |= SXMP_CLOSED;
+        break;
+      }
+    }
+    rd = total_rd;
 #ifdef _PERFPROFILE
     gettimeofday(&end, NULL);
 
@@ -808,7 +816,7 @@ static void *__sxmpl_thread(void *b)
 #endif
         total_rd = 0;
         while(total_rd != mhead->payload_length) {
-          total_rd += __conn_read(co, bbuf + total_rd, mhead->payload_length);
+          total_rd += __conn_read(co, bbuf + total_rd, mhead->payload_length - total_rd);
           if(total_rd == -1) goto __sslproto_error;
         }
         rd = total_rd;