Recent changes to OID

WikiPage OID modified by Stéphane Charette

Stéphane Charette — Fri, 22 Feb 2013 21:14:41 -0000

WikiPage SNMPpp::OID modified by Stéphane Charette

Stéphane Charette — Mon, 18 Feb 2013 07:13:44 -0000

--- v3
+++ v4
@@ -3,12 +3,12 @@

 net-snmp uses C arrays of unsigned longs as OIDs, and because there is no way to determine the length of arrays, a length must always accompany the array.

-Note that net-snmp typedefs "oid", so the lowercase "oid" unfortunately makes for a bad variable name to use if you have all warnings enabled in your compiler.
+Note that net-snmp typedefs `oid`, so the lowercase "oid" unfortunately makes for a bad variable name to use if you have all warnings enabled in your compiler.

 SNMPpp::OID
 -----------

-The C++ OID class uses std::vector to store the components of arrays.  This makes it relatively easy to use C++ OIDs when calling net-snmp C APIs.
+The C++ OID class uses `std::vector` to store the components of arrays.  This makes it relatively easy to use C++ OIDs when calling net-snmp C APIs.

 Constructing, parsing, passing, and displaying OIDs has been made as easy as possible.  For example:

WikiPage SNMPpp::OID modified by Stéphane Charette

Stéphane Charette — Mon, 18 Feb 2013 07:08:49 -0000

--- v2
+++ v3
@@ -32,5 +32,5 @@
     SNMP::OID o( ".1.3.6.1.4.1.38322" );

     snmp_add_null_var( pdu, o, o );
-    // where the first "o" calls operator const unsigned long *()
-    // where the second "o" calls operator size_t()
+    // where the 1st "o" results in a call to "operator const unsigned long *() const"
+    // where the 2nd "o" results in a call to "operator size_t() const"

WikiPage SNMPpp::OID modified by Stéphane Charette

Stéphane Charette — Mon, 18 Feb 2013 07:07:50 -0000

--- v1
+++ v2
@@ -2,6 +2,8 @@
 ===

 net-snmp uses C arrays of unsigned longs as OIDs, and because there is no way to determine the length of arrays, a length must always accompany the array.
+
+Note that net-snmp typedefs "oid", so the lowercase "oid" unfortunately makes for a bad variable name to use if you have all warnings enabled in your compiler.

 SNMPpp::OID
 -----------
@@ -10,7 +12,7 @@

 Constructing, parsing, passing, and displaying OIDs has been made as easy as possible.  For example:

-    :::c++
+    :::C++
     SNMPpp::OID oid1( ".1.3.6.1.4.1.38322.1.1.1" );
     SNMPpp::OID oid2( oid1 );
     oid2 += "1.0";
@@ -21,4 +23,14 @@
     {
         ...etc...

-Note that net-snmp typedefs "oid", so the lowercase "oid" unfortunately makes for a bad variable name to use if you have all warnings enabled in your compiler.
+Calling Legacy net-snmp APIs
+----------------------------
+
+With conversion operators, the net-snmp APIs can easily be passed C++ OIDs.  For example:
+
+    :::C++
+    SNMP::OID o( ".1.3.6.1.4.1.38322" );
+    
+    snmp_add_null_var( pdu, o, o );
+    // where the first "o" calls operator const unsigned long *()
+    // where the second "o" calls operator size_t()

WikiPage SNMPpp::OID modified by Stéphane Charette

Stéphane Charette — Mon, 18 Feb 2013 07:01:13 -0000

OID

net-snmp uses C arrays of unsigned longs as OIDs, and because there is no way to determine the length of arrays, a length must always accompany the array.

SNMPpp::OID

The C++ OID class uses std::vector to store the components of arrays. This makes it relatively easy to use C++ OIDs when calling net-snmp C APIs.

Constructing, parsing, passing, and displaying OIDs has been made as easy as possible. For example:

SNMPpp::OID oid1( ".1.3.6.1.4.1.38322.1.1.1" );
SNMPpp::OID oid2( oid1 );
oid2 += "1.0";

std::cout << "OID is: " << oid2 << std::endl;

if ( oid2.isChildOf( oid1 ) )
{
    ...etc...

Note that net-snmp typedefs "oid", so the lowercase "oid" unfortunately makes for a bad variable name to use if you have all warnings enabled in your compiler.