libssh2 init

Author: sshterm

src/SSH.swift

@@ -106,7 +106,6 @@ public class SSH {
         self.debug = debug
         self.blocking = blocking
         self.keepalive = keepalive
-        libssh2_init(0)
     }
 
     /// 关闭 SSH 会话和 Socket 连接。
@@ -155,15 +154,16 @@ public class SSH {
                     libssh2_session_disconnect_ex(rawSession, SSH_DISCONNECT_BY_APPLICATION, "SSH Term: Disconnect", "")
                 }
                 libssh2_session_free(rawSession)
+                libssh2_exit()
                 shutdown(.w)
                 close(.socket)
                 self.rawSession = nil
             }
         }
     }
 
-    /// 析构函数，‌用于清理资源。‌
+
     deinit {
-        libssh2_exit()
+        
     }
 }

src/Session.swift

@@ -86,7 +86,8 @@ public extension SSH {
             }
             SSH.getSSH(from: sess)?.trace(message: message, messageLen: messageLen)
         }
-
+        
+        libssh2_init(0)
         rawSession = libssh2_session_init_ex(nil, nil, nil, Unmanaged.passUnretained(self).toOpaque())
 
         _ = methods.map { (key: SSHMethod, value: String) in