X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/eeab3e6cade87c1fe0a5f3d93522e12ccb9ec2ab..5bb7eb131773abd9e642f83629528b4c4e706b2e:/rsm_client.cc

diff --git a/rsm_client.cc b/rsm_client.cc
index b68ef0c..310d1ad 100644
--- a/rsm_client.cc
+++ b/rsm_client.cc
@@ -1,53 +1,40 @@
+#include "types.h"
 #include "rsm_client.h"
-#include <vector>
 #include <arpa/inet.h>
-#include <stdio.h>
 #include <handle.h>
 #include <unistd.h>
-#include "lang/verify.h"
-#include "lock.h"
-#include "tprintf.h"
 
-rsm_client::rsm_client(std::string dst) {
+rsm_client::rsm_client(string dst) : primary(dst) {
     LOG("create rsm_client");
-    std::vector<std::string> mems;
-
-    sockaddr_in dstsock;
-    make_sockaddr(dst.c_str(), &dstsock);
-    primary = dst;
-
-    {
-        lock ml(rsm_client_mutex);
-        VERIFY (init_members());
-    }
+    lock ml(rsm_client_mutex);
+    VERIFY (init_members(ml));
     LOG("rsm_client: done");
 }
 
-// Assumes caller holds rsm_client_mutex
-void rsm_client::primary_failure() {
+void rsm_client::primary_failure(lock &) {
     primary = known_mems.back();
     known_mems.pop_back();
 }
 
-rsm_protocol::status rsm_client::invoke(unsigned int proc, std::string &rep, const std::string &req) {
-    int ret = 0;
+rsm_protocol::status rsm_client::invoke(unsigned int proc, string &rep, const string &req) {
     lock ml(rsm_client_mutex);
     while (1) {
-        LOG("rsm_client::invoke proc " << std::hex << proc << " primary " << primary);
+        LOG("rsm_client::invoke proc " << hex << proc << " primary " << primary);
         handle h(primary);
 
         ml.unlock();
         rpcc *cl = h.safebind();
+        auto ret = rsm_client_protocol::OK;
         if (cl)
-            ret = cl->call_timeout(rsm_client_protocol::invoke, rpcc::to(5000), rep, proc, req);
+            ret = (rsm_client_protocol::status)cl->call_timeout(rsm_client_protocol::invoke, rpcc::to(5000), rep, proc, req);
         ml.lock();
 
         if (!cl)
             goto prim_fail;
 
-        LOG("rsm_client::invoke proc " << std::hex << proc << " primary " << primary << " ret " << std::dec << ret);
+        LOG("rsm_client::invoke proc " << hex << proc << " primary " << primary << " ret " << dec << ret);
         if (ret == rsm_client_protocol::OK)
-            break;
+            return rsm_protocol::OK;
         if (ret == rsm_client_protocol::BUSY) {
             LOG("rsm is busy " << primary);
             sleep(3);
@@ -55,29 +42,27 @@ rsm_protocol::status rsm_client::invoke(unsigned int proc, std::string &rep, con
         }
         if (ret == rsm_client_protocol::NOTPRIMARY) {
             LOG("primary " << primary << " isn't the primary--let's get a complete list of mems");
-            if (init_members())
+            if (init_members(ml))
                 continue;
         }
 prim_fail:
-        LOG("primary " << primary << " failed ret " << std::dec << ret);
-        primary_failure();
+        LOG("primary " << primary << " failed ret " << dec << ret);
+        primary_failure(ml);
         LOG("rsm_client::invoke: retry new primary " << primary);
     }
-    return ret;
 }
 
-bool rsm_client::init_members() {
+bool rsm_client::init_members(lock & rsm_client_mutex_lock) {
     LOG("rsm_client::init_members get members!");
     handle h(primary);
     int ret = rsm_client_protocol::ERR;
     rpcc *cl;
     {
-        adopt_lock ml(rsm_client_mutex);
-        ml.unlock();
+        rsm_client_mutex_lock.unlock();
         cl = h.safebind();
         if (cl)
             ret = cl->call_timeout(rsm_client_protocol::members, rpcc::to(1000), known_mems, 0);
-        ml.lock();
+        rsm_client_mutex_lock.lock();
     }
     if (cl == 0 || ret != rsm_protocol::OK)
         return false;