- add Pcap++ Windows build

pcappp/include/pcapplusplus/IpUtils.h

@@ -0,0 +1,91 @@
+#ifndef PCAPPP_IP_UTILS
+#define PCAPPP_IP_UTILS
+
+#include <stdint.h>
+#ifdef __linux__
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+#if defined(__APPLE__)
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+#if defined(_WIN32)
+#include <ws2tcpip.h>
+#endif
+#if defined(__FreeBSD__)
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+
+/// @file
+
+// Both Visual C++ Compiler and MinGW-w64 define inet_ntop() and inet_pton()
+// Add compatibility functions for old MinGW (aka MinGW32)
+// We use "__MINGW64_VERSION_MAJOR" and not __MINGW64__ to detect MinGW-w64 compiler
+// because the second one is not defined for MinGW-w64 in 32bits mode
+#if defined(_WIN32) && !defined(_MSC_VER) && (!defined(__MINGW64_VERSION_MAJOR) || (__MINGW64_VERSION_MAJOR < 8))
+/**
+ * Convert a network format address to presentation format.
+ * @param[in] af Address family, can be either AF_INET (IPv4) or AF_INET6 (IPv6)
+ * @param[in] src Network address structure, can be either in_addr (IPv4) or in6_addr (IPv6)
+ * @param[out] dst Network address string representation
+ * @param[in] size 'dst' Maximum size
+ * @return pointer to presentation format address ('dst'), or NULL (see errno).
+ */
+const char* inet_ntop(int af, const void* src, char* dst, size_t size);
+
+/**
+ * Convert from presentation format (which usually means ASCII printable)
+ * to network format (which is usually some kind of binary format).
+ * @param[in] af Address family, can be either AF_INET (IPv4) or AF_INET6 (IPv6)
+ * @param[in] src Network address string representation
+ * @param[out] dst Network address structure result, can be either in_addr (IPv4) or in6_addr (IPv6)
+ * @return
+ * 1 if the address was valid for the specified address family;
+ * 0 if the address wasn't valid ('dst' is untouched in this case);
+ * -1 if some other error occurred ('dst' is untouched in this case, too)
+ */
+int inet_pton(int af, const char* src, void* dst);
+#endif
+
+
+/**
+ * \namespace pcpp
+ * \brief The main namespace for the PcapPlusPlus lib
+ */
+namespace pcpp
+{
+	namespace internal
+	{
+		/**
+		 * Extract IPv4 address from sockaddr
+		 * @param[in] sa - input sockaddr
+		 * @return Address in in_addr format
+		 */
+		in_addr* sockaddr2in_addr(struct sockaddr *sa);
+
+		/**
+		 * Extract IPv6 address from sockaddr
+		 * @param[in] sa - input sockaddr
+		 * @return Address in in6_addr format
+		 */
+		in6_addr* sockaddr2in6_addr(struct sockaddr *sa);
+
+		/**
+		 * Converts a sockaddr format address to its string representation
+		 * @param[in] sa Address in sockaddr format
+		 * @param[out]  resultString String representation of the address
+		 */
+		void sockaddr2string(struct sockaddr *sa, char* resultString);
+
+		/**
+		 * Convert a in_addr format address to 32bit representation
+		 * @param[in] inAddr Address in in_addr format
+		 * @return Address in 32bit format
+		 */
+		uint32_t in_addr2int(in_addr inAddr);
+	} // namespace internal
+} // namespace pcpp
+#endif