slirp/libslirp.h

   1 #ifndef LIBSLIRP_H
   2 #define LIBSLIRP_H
   3
   4 #include "qemu-common.h"
   5
   6 typedef struct Slirp Slirp;
   7
   8 typedef int (*SlirpWriteCb)(const void *buf, size_t len, void *opaque);
   9
  10 /*
  11  * Callbacks from slirp
  12  *
  13  * The opaque parameter comes from the opaque parameter given to slirp_init().
  14  */
  15 typedef struct SlirpCb {
  16     /* Send an ethernet frame to the guest network.  */
  17     void (*output)(void *opaque, const uint8_t *pkt, int pkt_len);
  18     /* Print a message for an error due to guest misbehavior.  */
  19     void (*guest_error)(const char *msg);
  20     /* Return the virtual clock value in nanoseconds */
  21     int64_t (*clock_get_ns)(void);
  22 } SlirpCb;
  23
  24
  25 Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork,
  26                   struct in_addr vnetmask, struct in_addr vhost,
  27                   bool in6_enabled,
  28                   struct in6_addr vprefix_addr6, uint8_t vprefix_len,
  29                   struct in6_addr vhost6, const char *vhostname,
  30                   const char *tftp_server_name,
  31                   const char *tftp_path, const char *bootfile,
  32                   struct in_addr vdhcp_start, struct in_addr vnameserver,
  33                   struct in6_addr vnameserver6, const char **vdnssearch,
  34                   const char *vdomainname,
  35                   const SlirpCb *callbacks,
  36                   void *opaque);
  37 void slirp_cleanup(Slirp *slirp);
  38
  39 void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout);
  40
  41 void slirp_pollfds_poll(GArray *pollfds, int select_error);
  42
  43 void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len);
  44
  45 int slirp_add_hostfwd(Slirp *slirp, int is_udp,
  46                       struct in_addr host_addr, int host_port,
  47                       struct in_addr guest_addr, int guest_port);
  48 int slirp_remove_hostfwd(Slirp *slirp, int is_udp,
  49                          struct in_addr host_addr, int host_port);
  50 int slirp_add_exec(Slirp *slirp, const char *cmdline,
  51                    struct in_addr *guest_addr, int guest_port);
  52 int slirp_add_guestfwd(Slirp *slirp, SlirpWriteCb write_cb, void *opaque,
  53                    struct in_addr *guest_addr, int guest_port);
  54
  55 char *slirp_connection_info(Slirp *slirp);
  56
  57 void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr,
  58                        int guest_port, const uint8_t *buf, int size);
  59 size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr,
  60                              int guest_port);
  61
  62 #endif