/* * This file is part of the Palacios Virtual Machine Monitor developed * by the V3VEE Project with funding from the United States National * Science Foundation and the Department of Energy. * * The V3VEE Project is a joint project between Northwestern University * and the University of New Mexico. You can find out more at * http://www.v3vee.org * * Copyright (c) 2008, Jack Lange * Copyright (c) 2008, The V3VEE Project * All rights reserved. * * Author: Jack Lange * * This is free software. You are permitted to use, * redistribute, and modify it as specified in the file "V3VEE_LICENSE". */ #ifndef __VMM_SOCKET_H__ #define __VMM_SOCKET_H__ #include #ifdef __V3VEE__ #define V3_Create_UDP_Socket() ({ \ extern struct v3_socket_hooks * sock_hooks; \ int sock = 0; \ if ((sock_hooks) && (sock_hooks)->udp_socket) { \ sock = (sock_hooks)->udp_socket(0,0); \ } \ sock; \ }) #define V3_Create_TCP_Socket() ({ \ extern struct v3_socket_hooks * sock_hooks; \ int sock = 0; \ if ((sock_hooks) && (sock_hooks)->tcp_socket) { \ sock = (sock_hooks)->tcp_socket(0,1,0); \ } \ sock; \ }) #define V3_Close_Socket(sock) \ do { \ extern struct v3_socket_hooks * sock_hooks; \ if ((sock_hooks) && (sock_hooks)->close) { \ (sock_hooks)->close(sock); \ } \ } while (0); #define V3_Bind_Socket(sock, port) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->bind_socket) { \ ret = (sock_hooks)->bind_socket(sock, port); \ } \ ret; \ }) #define V3_Listen_Socket(sock, backlog) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->listen) { \ ret = (sock_hooks)->listen(sock, backlog); \ } \ ret; \ }) #define V3_Accept_Socket(sock, ip_ptr, port_ptr) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int client_sock = 0; \ if ((sock_hooks) && (sock_hooks)->accept) { \ client_sock = (sock_hooks)->accept(sock, ip_ptr, port_ptr); \ } \ client_sock; \ }) #define V3_Select_Socket(rset,wset,eset,tv) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->select) { \ ret = (sock_hooks)->select(rset, wset, eset, tv); \ } \ ret; \ }) #define V3_Connect_To_IP(sock, ip, port) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->connect_to_ip) { \ ret = (sock_hooks)->connect_to_ip(sock, ip, port); \ } \ ret; \ }) #define V3_Connect_To_Host(sock, hostname, port) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->connect_to_host) { \ ret = (sock_hooks)->connect_to_host(sock, hostname, port); \ } \ ret; \ }) #define V3_Send(sock, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->send) { \ ret = (sock_hooks)->send(sock, buf, len); \ } \ ret; \ }) #define V3_Recv(sock, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->recv) { \ ret = (sock_hooks)->recv(sock, buf, len); \ } \ ret; \ }) #define V3_SendTo_Host(sock, hostname, port, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->sendto_host) { \ ret = (sock_hooks)->sendto_host(sock, hostname, port, buf, len); \ } \ ret; \ }) #define V3_SendTo_IP(sock, ip, port, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->sendto_ip) { \ ret = (sock_hooks)->sendto_ip(sock, ip, port, buf, len); \ } \ ret; \ }) #define V3_RecvFrom_Host(sock, hostname, port, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->recvfrom_host) { \ ret = (sock_hooks)->recvfrom_host(sock, hostname, port, buf, len); \ } \ ret; \ }) #define V3_RecvFrom_IP(sock, ip, port, buf, len) ({ \ extern struct v3_socket_hooks * sock_hooks; \ int ret = -1; \ if ((sock_hooks) && (sock_hooks)->recvfrom_ip) { \ ret = (sock_hooks)->recvfrom_ip(sock, ip, port, buf, len); \ } \ ret; \ }) #define V3_SOCK_SET(n, p) ((p)->fd_bits[(n)/8] |= (1 << ((n) & 7))) #define V3_SOCK_CLR(n, p) ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7))) #define V3_SOCK_ISSET(n,p) ((p)->fd_bits[(n)/8] & (1 << ((n) & 7))) #define V3_SOCK_ZERO(p) memset((void*)(p), 0, sizeof(*(p))) uint32_t v3_inet_addr(const char * ip_str); char * v3_inet_ntoa(uint32_t addr); uint16_t v3_htons(uint16_t s); uint16_t v3_ntohs(uint16_t s); uint32_t v3_htonl(uint32_t s); uint32_t v3_ntohl(uint32_t s); #endif struct v3_timeval { long tv_sec; /* seconds */ long tv_usec; /* and microseconds */ }; #define V3_SOCK_SETSIZE 1000 typedef struct v3_sock_set { /* This format needs to match the standard posix FD_SET format, so it can be cast */ unsigned char fd_bits [(V3_SOCK_SETSIZE + 7) / 8]; } v3_sock_set; struct v3_socket_hooks { /* Socket creation routines */ int (*tcp_socket)(const int bufsize, const int nodelay, const int nonblocking); int (*udp_socket)(const int bufsize, const int nonblocking); /* Socket Destruction */ void (*close)(int sock); /* Network Server Calls */ int (*bind_socket)(const int sock, const int port); int (*listen)(const int sock, int backlog); int (*accept)(const int sock, unsigned int * remote_ip, unsigned int * port); /* This going to suck */ int (*select)(struct v3_sock_set * rset, \ struct v3_sock_set * wset, \ struct v3_sock_set * eset, \ struct v3_timeval tv); /* Connect calls */ int (*connect_to_ip)(const int sock, const int hostip, const int port); int (*connect_to_host)(const int sock, const char * hostname, const int port); /* TCP Data Transfer */ int (*send)(const int sock, const char * buf, const int len); int (*recv)(const int sock, char * buf, const int len); /* UDP Data Transfer */ int (*sendto_host)(const int sock, const char * hostname, const int port, const char * buf, const int len); int (*sendto_ip)(const int sock, const int ip_addr, const int port, const char * buf, const int len); int (*recvfrom_host)(const int sock, const char * hostname, const int port, char * buf, const int len); int (*recvfrom_ip)(const int sock, const int ip_addr, const int port, char * buf, const int len); }; extern void V3_Init_Sockets(struct v3_socket_hooks * hooks); #endif