Initial commit of Ccnet server.

lib/net.h

@@ -0,0 +1,72 @@
+
+#ifndef CCNET_NET_H
+#define CCNET_NET_H
+
+#ifdef WIN32
+    #include <inttypes.h>
+    #include <winsock2.h>
+    #include <ws2tcpip.h>
+    typedef int socklen_t;
+    #define UNUSED 
+#else
+    #include <sys/types.h>
+    #include <sys/socket.h>
+    #include <netinet/in.h>
+    #include <arpa/inet.h>
+    #include <netdb.h>
+    #include <sys/un.h>
+    #include <net/if.h>
+    #include <netinet/tcp.h>
+#endif
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#include <event2/util.h>
+#else
+#include <evutil.h>
+#endif
+
+#ifdef WIN32
+    /* #define ECONNREFUSED WSAECONNREFUSED */
+    /* #define ECONNRESET   WSAECONNRESET */
+    /* #define EHOSTUNREACH WSAEHOSTUNREACH */
+    /* #define EINPROGRESS  WSAEINPROGRESS */
+    /* #define ENOTCONN     WSAENOTCONN */
+    /* #define EWOULDBLOCK  WSAEWOULDBLOCK */
+    #define sockerrno WSAGetLastError( )
+#else
+    #include <errno.h>
+    #define sockerrno errno
+#endif
+
+#ifdef WIN32
+extern int inet_aton(const char *string, struct in_addr *addr);
+extern const char *inet_ntop(int af, const void *src, char *dst, size_t size);
+extern int inet_pton(int af, const char *src, void *dst);
+#endif
+
+evutil_socket_t ccnet_net_open_tcp (const struct sockaddr *sa, int nonblock);
+evutil_socket_t ccnet_net_bind_tcp (int port, int nonblock);
+evutil_socket_t ccnet_net_accept (evutil_socket_t b, 
+                                  struct sockaddr_storage *cliaddr,
+                                  socklen_t *len, int nonblock);
+
+/* bind to an IPv4 address, if (*port == 0) the port number will be returned */
+evutil_socket_t ccnet_net_bind_v4 (const char *ipaddr, int *port);
+
+int  ccnet_netSetTOS   ( evutil_socket_t s, int tos );
+
+char *sock_ntop(const struct sockaddr *sa, socklen_t salen);
+uint16_t sock_port (const struct sockaddr *sa);
+
+/* return 1 if addr_str is a valid ipv4 or ipv6 address */
+int is_valid_ipaddr (const char *addr_str);
+
+
+/* return 0 if success, -1 if error */
+int sock_pton (const char *addr_str, uint16_t port, 
+               struct sockaddr_storage *sa);
+
+evutil_socket_t udp_client (const char *host, const char *serv,
+                struct sockaddr **saptr, socklen_t *lenp);
+
+#endif