X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Ffilter_frontend_net.cpp;h=2e2ada228645ba4bf1371bf8f92eaa870bc15bfa;hb=1fe3038c15740cf21a2eb7b00edad8d216384c2e;hp=7ef28c89a84a9fe18134c25c67f450da5e7ca63b;hpb=8b5b1897bd1223b6c8608685e0cceb82b47e5aed;p=metaproxy-moved-to-github.git

diff --git a/src/filter_frontend_net.cpp b/src/filter_frontend_net.cpp
index 7ef28c8..2e2ada2 100644
--- a/src/filter_frontend_net.cpp
+++ b/src/filter_frontend_net.cpp
@@ -18,6 +18,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include "config.hpp"
 
+#if HAVE_GETRLIMIT
+#include <sys/resource.h>
+#endif
 #include <sstream>
 #include <iomanip>
 #include <metaproxy/util.hpp>
@@ -55,10 +58,13 @@ namespace metaproxy_1 {
             friend class FrontendNet;
 
             int m_no_threads;
+            int m_max_threads;
+            int m_stack_size;
             std::vector<Port> m_ports;
             int m_listen_duration;
             int m_session_timeout;
             int m_connect_max;
+            int m_http_req_max;
             std::string m_msg_config;
             std::string m_stat_req;
             yazpp_1::SocketManager mySocketManager;
@@ -91,7 +97,8 @@ namespace metaproxy_1 {
                         mp::ThreadPoolSocketObserver *m_thread_pool_observer,
                         const mp::Package *package,
                         Port *port,
-                        Rep *rep);
+                        Rep *rep,
+                        yazpp_1::LimitConnect &limit_connect);
             int m_no_requests;
             Port *m_port;
         private:
@@ -110,6 +117,7 @@ namespace metaproxy_1 {
             bool m_delete_flag;
             const mp::Package *m_package;
             Rep *m_p;
+            yazpp_1::LimitConnect &m_limit_connect;
         };
         class FrontendNet::ThreadPoolPackage : public mp::IThreadPoolMsg {
         public:
@@ -267,8 +275,9 @@ yf::FrontendNet::ZAssocChild::ZAssocChild(
     yazpp_1::IPDU_Observable *PDU_Observable,
     mp::ThreadPoolSocketObserver *my_thread_pool,
     const mp::Package *package,
-    Port *port, Rep *rep)
-    :  Z_Assoc(PDU_Observable), m_p(rep)
+    Port *port, Rep *rep,
+    yazpp_1::LimitConnect &limit_connect)
+    :  Z_Assoc(PDU_Observable), m_p(rep), m_limit_connect(limit_connect)
 {
     m_thread_pool_observer = my_thread_pool;
     m_no_requests = 0;
@@ -387,6 +396,20 @@ void yf::FrontendNet::ZAssocChild::recv_GDU(Z_GDU *z_pdu, int len)
             report(hreq);
             return;
         }
+        std::string peername = p->origin().get_address();
+
+        m_limit_connect.add_connect(peername.c_str());
+        m_limit_connect.cleanup(false);
+        int con_sz = m_limit_connect.get_total(peername.c_str());
+
+        if (m_p->m_http_req_max && con_sz >= m_p->m_http_req_max)
+        {
+            mp::odr o;
+            Z_GDU *gdu_res = o.create_HTTP_Response(m_session, hreq, 500);
+            int len;
+            send_GDU(gdu_res, &len);
+            return;
+        }
     }
 
     ThreadPoolPackage *tp = new ThreadPoolPackage(p, this, m_p);
@@ -476,7 +499,7 @@ yazpp_1::IPDU_Observer *yf::FrontendNet::ZAssocServer::sessionNotify(
     }
     ZAssocChild *my = new ZAssocChild(the_PDU_Observable,
                                       m_thread_pool_observer,
-                                      m_package, m_port, m_p);
+                                      m_package, m_port, m_p, limit_connect);
     return my;
 }
 
@@ -506,7 +529,8 @@ yf::FrontendNet::FrontendNet() : m_p(new Rep)
 
 yf::FrontendNet::Rep::Rep()
 {
-    m_no_threads = 5;
+    m_max_threads = m_no_threads = 5;
+    m_stack_size = 0;
     m_listen_duration = 0;
     m_session_timeout = 300; // 5 minutes
     m_connect_max = 0;
@@ -564,6 +588,16 @@ void yf::FrontendNet::stop(int signo) const
     m_p->m_stop_signo = signo;
 }
 
+void yf::FrontendNet::start() const
+{
+#if HAVE_GETRLIMIT
+    struct rlimit limit_data;
+    getrlimit(RLIMIT_NOFILE, &limit_data);
+    yaz_log(YLOG_LOG, "getrlimit NOFILE cur=%ld max=%ld",
+            (long) limit_data.rlim_cur, (long) limit_data.rlim_max);
+#endif
+}
+
 bool yf::FrontendNet::My_Timer_Thread::timeout()
 {
     return m_timeout;
@@ -596,7 +630,9 @@ void yf::FrontendNet::process(mp::Package &package) const
         tt = new My_Timer_Thread(&m_p->mySocketManager,
                                  m_p->m_listen_duration);
 
-    ThreadPoolSocketObserver tp(&m_p->mySocketManager, m_p->m_no_threads);
+    ThreadPoolSocketObserver tp(&m_p->mySocketManager, m_p->m_no_threads,
+                                m_p->m_max_threads,
+                                m_p->m_stack_size);
 
     for (i = 0; i<m_p->m_ports.size(); i++)
     {
@@ -685,6 +721,24 @@ void yf::FrontendNet::configure(const xmlNode * ptr, bool test_only,
                                                    + threads_str);
             m_p->m_no_threads = threads;
         }
+        else if (!strcmp((const char *) ptr->name, "max-threads"))
+        {
+            std::string threads_str = mp::xml::get_text(ptr);
+            int threads = atoi(threads_str.c_str());
+            if (threads < 1)
+                throw yf::FilterException("Bad value for max-threads: "
+                                                   + threads_str);
+            m_p->m_max_threads = threads;
+        }
+        else if (!strcmp((const char *) ptr->name, "stack-size"))
+        {
+            std::string sz_str = mp::xml::get_text(ptr);
+            int sz = atoi(sz_str.c_str());
+            if (sz < 0)
+                throw yf::FilterException("Bad value for stack-size: "
+                                                   + sz_str);
+            m_p->m_stack_size = sz * 1024;
+        }
         else if (!strcmp((const char *) ptr->name, "timeout"))
         {
             std::string timeout_str = mp::xml::get_text(ptr);
@@ -698,6 +752,10 @@ void yf::FrontendNet::configure(const xmlNode * ptr, bool test_only,
         {
             m_p->m_connect_max = mp::xml::get_int(ptr, 0);
         }
+        else if (!strcmp((const char *) ptr->name, "http-req-max"))
+        {
+            m_p->m_http_req_max = mp::xml::get_int(ptr, 0);
+        }
         else if (!strcmp((const char *) ptr->name, "message"))
         {
             m_p->m_msg_config = mp::xml::get_text(ptr);