Added a wrapper for correct oid comparsion

[stg.git] / projects / stargazer / plugins / other / smux / types.cpp

diff --git a/projects/stargazer/plugins/other/smux/types.cpp b/projects/stargazer/plugins/other/smux/types.cpp
new file mode 100644 (file)
index 0000000..ac1d025
--- /dev/null
+++ b/projects/stargazer/plugins/other/smux/types.cpp
@@ -0,0 +1,121 @@
+#include <stdexcept>
+#include <algorithm>
+#include <sstream>
+
+#include "types.h"
+
+bool StringToArcs(const char * str, size_t length, std::vector<unsigned> & arcs)
+{
+unsigned a[1024];
+if (length == 0)
+    return false;
+const char * left = str;
+if (*left == '.')
+    ++left;
+size_t arcPos = 0;
+while ((left - str) < length)
+    {
+    char * pos = NULL;
+    unsigned arc = strtoul(left, &pos, 10);
+    if (pos == left)
+        return false;
+    a[arcPos++] = arc;
+    if (arcPos >= 1024)
+        return false;
+    left = pos + 1;
+    }
+
+std::vector<unsigned> newArcs(a, a + arcPos);
+arcs.swap(newArcs);
+return true;
+}
+
+OID::OID(const std::string & str)
+{
+if (!StringToArcs(str.c_str(), str.length(), arcs))
+    throw std::runtime_error("Invalid oid");
+}
+
+OID::OID(const char * str, size_t length)
+{
+if (!StringToArcs(str, length, arcs))
+    throw std::runtime_error("Invalid oid");
+}
+
+OID::OID(const std::vector<unsigned> & a)
+    : arcs(a)
+{
+}
+
+OID::OID(const unsigned * a, size_t length)
+{
+std::vector<unsigned> newArcs(a, a + length);
+arcs.swap(newArcs);
+}
+
+OID::OID(OBJECT_IDENTIFIER_t * oid)
+{
+unsigned a[1024];
+int count = OBJECT_IDENTIFIER_get_arcs(oid, a, sizeof(a[0]), 1024);
+
+if (count > 1024)
+    throw std::runtime_error("OID is too long");
+
+std::vector<unsigned> newArcs(a, a + count);
+arcs.swap(newArcs);
+}
+
+OID::OID(const OID & rvalue)
+    : arcs(rvalue.arcs)
+{
+}
+
+OID::~OID()
+{
+}
+
+std::string OID::ToString() const
+{
+std::stringstream stream;
+for (size_t i = 0; i < arcs.size(); ++i)
+    stream << "." << arcs[i];
+return stream.str();
+}
+
+void OID::ToOID(OBJECT_IDENTIFIER_t * oid) const
+{
+OBJECT_IDENTIFIER_set_arcs(oid, &arcs.front(), sizeof(unsigned), arcs.size());
+}
+
+OID & OID::operator=(const OID & rvalue)
+{
+arcs = rvalue.arcs;
+return *this;
+}
+
+bool OID::operator==(const OID & rvalue) const
+{
+if (arcs.size() != rvalue.arcs.size())
+    return false;
+for (size_t i = 0; i < arcs.size(); ++i)
+    if (arcs[i] != rvalue.arcs[i])
+        return false;
+return true;
+}
+
+bool OID::operator<(const OID & rvalue) const
+{
+for (size_t i = 0; i < std::min(arcs.size(), rvalue.arcs.size()); ++i)
+    if (arcs[i] > rvalue.arcs[i])
+        return false;
+if (rvalue.arcs.size() < arcs.size())
+    return false;
+return true;
+}
+
+std::ostream & OID::operator<<(std::ostream & stream) const
+{
+for (size_t i = 0; i < arcs.size(); ++i)
+    stream << "." << arcs[i];
+return stream;
+}