diff options
Diffstat (limited to 'slirp/src/libslirp.h')
| -rw-r--r-- | slirp/src/libslirp.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/slirp/src/libslirp.h b/slirp/src/libslirp.h new file mode 100644 index 0000000000..2d13950065 --- /dev/null +++ b/slirp/src/libslirp.h @@ -0,0 +1,117 @@ +#ifndef LIBSLIRP_H +#define LIBSLIRP_H + +#include <stdint.h> +#include <stdbool.h> +#include <sys/types.h> + +#ifdef _WIN32 +#include <winsock2.h> +#include <in6addr.h> +#else +#include <netinet/in.h> +#include <arpa/inet.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct Slirp Slirp; + +enum { + SLIRP_POLL_IN = 1 << 0, + SLIRP_POLL_OUT = 1 << 1, + SLIRP_POLL_PRI = 1 << 2, + SLIRP_POLL_ERR = 1 << 3, + SLIRP_POLL_HUP = 1 << 4, +}; + +typedef ssize_t (*SlirpReadCb)(void *buf, size_t len, void *opaque); +typedef ssize_t (*SlirpWriteCb)(const void *buf, size_t len, void *opaque); +typedef void (*SlirpTimerCb)(void *opaque); +typedef int (*SlirpAddPollCb)(int fd, int events, void *opaque); +typedef int (*SlirpGetREventsCb)(int idx, void *opaque); + +/* + * Callbacks from slirp + */ +typedef struct SlirpCb { + /* + * Send an ethernet frame to the guest network. The opaque + * parameter is the one given to slirp_init(). The function + * doesn't need to send all the data and may return <len (no + * buffering is done on libslirp side, so the data will be dropped + * in this case). <0 reports an IO error. + */ + SlirpWriteCb send_packet; + /* Print a message for an error due to guest misbehavior. */ + void (*guest_error)(const char *msg, void *opaque); + /* Return the virtual clock value in nanoseconds */ + int64_t (*clock_get_ns)(void *opaque); + /* Create a new timer with the given callback and opaque data */ + void *(*timer_new)(SlirpTimerCb cb, void *cb_opaque, void *opaque); + /* Remove and free a timer */ + void (*timer_free)(void *timer, void *opaque); + /* Modify a timer to expire at @expire_time */ + void (*timer_mod)(void *timer, int64_t expire_time, void *opaque); + /* Register a fd for future polling */ + void (*register_poll_fd)(int fd, void *opaque); + /* Unregister a fd */ + void (*unregister_poll_fd)(int fd, void *opaque); + /* Kick the io-thread, to signal that new events may be processed */ + void (*notify)(void *opaque); +} SlirpCb; + + +Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, + struct in_addr vnetmask, struct in_addr vhost, + bool in6_enabled, + struct in6_addr vprefix_addr6, uint8_t vprefix_len, + struct in6_addr vhost6, const char *vhostname, + const char *tftp_server_name, + const char *tftp_path, const char *bootfile, + struct in_addr vdhcp_start, struct in_addr vnameserver, + struct in6_addr vnameserver6, const char **vdnssearch, + const char *vdomainname, + const SlirpCb *callbacks, + void *opaque); +void slirp_cleanup(Slirp *slirp); + +void slirp_pollfds_fill(Slirp *slirp, uint32_t *timeout, + SlirpAddPollCb add_poll, void *opaque); + +void slirp_pollfds_poll(Slirp *slirp, int select_error, + SlirpGetREventsCb get_revents, void *opaque); + +void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); + +int slirp_add_hostfwd(Slirp *slirp, int is_udp, + struct in_addr host_addr, int host_port, + struct in_addr guest_addr, int guest_port); +int slirp_remove_hostfwd(Slirp *slirp, int is_udp, + struct in_addr host_addr, int host_port); +int slirp_add_exec(Slirp *slirp, const char *cmdline, + struct in_addr *guest_addr, int guest_port); +int slirp_add_guestfwd(Slirp *slirp, SlirpWriteCb write_cb, void *opaque, + struct in_addr *guest_addr, int guest_port); + +char *slirp_connection_info(Slirp *slirp); + +void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr, + int guest_port, const uint8_t *buf, int size); +size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr, + int guest_port); + +void slirp_state_save(Slirp *s, SlirpWriteCb write_cb, void *opaque); + +int slirp_state_load(Slirp *s, int version_id, + SlirpReadCb read_cb, void *opaque); + +int slirp_state_version(void); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* LIBSLIRP_H */ |