initial code repo

[stor4nfv.git] / src / ceph / src / test / old / testnewbuffers.cc

diff --git a/src/ceph/src/test/old/testnewbuffers.cc b/src/ceph/src/test/old/testnewbuffers.cc
new file mode 100644 (file)
index 0000000..69e037c
--- /dev/null
+++ b/src/ceph/src/test/old/testnewbuffers.cc
@@ -0,0 +1,91 @@
+
+#include <list>
+#include <iostream>
+using namespace std;
+
+
+#include "include/newbuffer.h"
+//#include "include/bufferlist.h"
+
+#include "common/Thread.h"
+
+
+  class Th : public Thread {
+  public:
+       bufferlist bl;
+       explicit Th(bufferlist& o) : bl(o) { }
+       
+       void *entry() {
+         //cout << "start" << endl;
+         // thrash it a bit.
+         for (int n=0; n<10000; n++) {
+               bufferlist bl2;
+               unsigned off = rand() % (bl.length() -1);
+               unsigned len = 1 + rand() % (bl.length() - off - 1);
+               bl2.substr_of(bl, off, len);
+               bufferlist bl3;
+               bl3.append(bl);
+               bl3.append(bl2);
+               //cout << bl3 << endl;
+               bl2.clear();
+               bl3.clear();
+         }
+         //cout << "end" << endl;
+       }
+  };
+
+int main()
+{
+
+  bufferptr p1 = buffer::copy("123456",7);
+  //bufferptr p1 = new buffer("123456",7);
+  bufferptr p2 = p1;
+
+  cout << "p1 is '" << p1.c_str() << "'" << " " << p1 << endl;
+  cout << "p2 is '" << p2.c_str() << "'" << " " << p2 << endl;
+
+  bufferptr p3 = buffer::copy("abcdef",7);
+  //bufferptr p3 = new buffer("abcdef",7);
+  
+  cout << "p3 is " << p3.c_str() << " " << p3 << endl;
+
+  bufferlist bl;
+  bl.push_back(p2);
+  bl.push_back(p1);
+  bl.push_back(p3);
+
+  cout << "bl is " << bl << endl;
+
+  bufferlist took;
+  bl.splice(10,4,&took);
+
+  cout << "took out " << took << ", leftover is " << bl << endl;
+  //cout << "len is " << bl.length() << endl;
+
+  bufferlist bl2;
+  bl2.substr_of(bl, 3, 5);
+  cout << "bl2 is " << bl2 << endl;
+
+
+  cout << "bl before " << bl << endl;
+
+  list<Th*> ls;
+  for (int t=0; t<40; t++) {
+       Th *t = new Th(bl);
+       cout << "create" << endl;
+       t->create();
+       ls.push_back(t);
+  }
+
+  bl.clear();
+
+  while (!ls.empty()) {
+       cout << "join" << endl;
+       ls.front()->join();
+       delete ls.front();
+       ls.pop_front();
+  }
+
+  cout << "bl after " << bl << endl;
+
+}