qemu-e2k/include/qemu/sockets.h

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/* headers to use the BSD sockets */
#ifndef QEMU_SOCKETS_H
#define QEMU_SOCKETS_H
#ifdef _WIN32
int inet_aton(const char *cp, struct in_addr *ia);
#endif /* !_WIN32 */
#include "qapi/qapi-types-sockets.h"
/* misc helpers */
bool fd_is_socket(int fd);
int qemu_socket(int domain, int type, int protocol);
/**
* qemu_socketpair:
* @domain: specifies a communication domain, such as PF_UNIX
* @type: specifies the socket type.
* @protocol: specifies a particular protocol to be used with the socket
* @sv: an array to store the pair of socket created
*
* Creates an unnamed pair of connected sockets in the specified domain,
* of the specified type, and using the optionally specified protocol.
* And automatically set the close-on-exec flags on the returned sockets
*
* Return 0 on success.
*/
int qemu_socketpair(int domain, int type, int protocol, int sv[2]);
int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
/*
* A variant of send(2) which handles partial send.
*
* Return the number of bytes transferred over the socket.
* Set errno if fewer than `count' bytes are sent.
*
* This function don't work with non-blocking socket's.
* Any of the possibilities with non-blocking socket's is bad:
* - return a short write (then name is wrong)
* - busy wait adding (errno == EAGAIN) to the loop
*/
ssize_t qemu_send_full(int s, const void *buf, size_t count)
G_GNUC_WARN_UNUSED_RESULT;
int socket_set_cork(int fd, int v);
int socket_set_nodelay(int fd);
void qemu_socket_set_block(int fd);
int qemu_socket_try_set_nonblock(int fd);
void qemu_socket_set_nonblock(int fd);
int socket_set_fast_reuse(int fd);
#ifdef WIN32
/* Windows has different names for the same constants with the same values */
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
#endif
int inet_ai_family_from_address(InetSocketAddress *addr,
Error **errp);
int inet_parse(InetSocketAddress *addr, const char *str, Error **errp);
int inet_connect(const char *str, Error **errp);
int inet_connect_saddr(InetSocketAddress *saddr, Error **errp);
NetworkAddressFamily inet_netfamily(int family);
int unix_listen(const char *path, Error **errp);
int unix_connect(const char *path, Error **errp);
char *socket_uri(SocketAddress *addr);
SocketAddress *socket_parse(const char *str, Error **errp);
int socket_connect(SocketAddress *addr, Error **errp);
int socket_listen(SocketAddress *addr, int num, Error **errp);
void socket_listen_cleanup(int fd, Error **errp);
int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
/* Old, ipv4 only bits. Don't use for new code. */
int convert_host_port(struct sockaddr_in *saddr, const char *host,
const char *port, Error **errp);
int parse_host_port(struct sockaddr_in *saddr, const char *str,
Error **errp);
int socket_init(void);
/**
* socket_sockaddr_to_address:
* @sa: socket address struct
* @salen: size of @sa struct
* @errp: pointer to uninitialized error object
*
* Get the string representation of the socket
* address. A pointer to the allocated address information
* struct will be returned, which the caller is required to
* release with a call qapi_free_SocketAddress() when no
* longer required.
*
* Returns: the socket address struct, or NULL on error
*/
SocketAddress *
socket_sockaddr_to_address(struct sockaddr_storage *sa,
socklen_t salen,
Error **errp);
/**
* socket_local_address:
* @fd: the socket file handle
* @errp: pointer to uninitialized error object
*
* Get the string representation of the local socket
* address. A pointer to the allocated address information
* struct will be returned, which the caller is required to
* release with a call qapi_free_SocketAddress() when no
* longer required.
*
* Returns: the socket address struct, or NULL on error
*/
SocketAddress *socket_local_address(int fd, Error **errp);
/**
* socket_remote_address:
* @fd: the socket file handle
* @errp: pointer to uninitialized error object
*
* Get the string representation of the remote socket
* address. A pointer to the allocated address information
* struct will be returned, which the caller is required to
* release with a call qapi_free_SocketAddress() when no
* longer required.
*
* Returns: the socket address struct, or NULL on error
*/
SocketAddress *socket_remote_address(int fd, Error **errp);
/**
* socket_address_flatten:
* @addr: the socket address to flatten
*
* Convert SocketAddressLegacy to SocketAddress. Caller is responsible
* for freeing with qapi_free_SocketAddress().
*
* Returns: the argument converted to SocketAddress.
*/
SocketAddress *socket_address_flatten(SocketAddressLegacy *addr);
/**
* socket_address_parse_named_fd:
*
* Modify @addr, replacing a named fd by its corresponding number.
* Needed for callers that plan to pass @addr to a context where the
* current monitor is not available.
*
* Return 0 on success.
*/
int socket_address_parse_named_fd(SocketAddress *addr, Error **errp);
#endif /* QEMU_SOCKETS_H */