size_t backend_info;
};
-
/* Listeners create connections. */
struct io_listener {
struct fd fd;
/* These are for connections we create. */
- struct io_plan *(*next)(struct io_conn *, void *arg);
+ struct io_plan (*next)(struct io_conn *, void *arg);
void (*finish)(struct io_conn *, void *arg);
void *conn_arg;
};
-enum io_result {
- RESULT_AGAIN,
- RESULT_FINISHED,
- RESULT_CLOSE
-};
-
-enum io_state {
- IO_IO,
- IO_NEXT, /* eg starting, woken from idle, return from io_break. */
- IO_IDLE,
- IO_FINISHED
-};
-
-static inline enum io_state from_ioplan(struct io_plan *op)
-{
- return (enum io_state)(long)op;
-}
-
-struct io_state_read {
- char *buf;
- size_t len;
-};
-
-struct io_state_write {
- const char *buf;
- size_t len;
-};
-
-struct io_state_readpart {
- char *buf;
- size_t *lenp;
-};
-
-struct io_state_writepart {
- const char *buf;
- size_t *lenp;
-};
-
struct io_timeout {
struct timer timer;
struct io_conn *conn;
- struct io_plan *(*next)(struct io_conn *, void *arg);
+ struct io_plan (*next)(struct io_conn *, void *arg);
void *next_arg;
};
struct io_conn {
struct fd fd;
- struct io_plan *(*next)(struct io_conn *, void *arg);
- void *next_arg;
-
void (*finish)(struct io_conn *, void *arg);
void *finish_arg;
struct io_conn *duplex;
struct io_timeout *timeout;
- enum io_result (*io)(struct io_conn *conn);
-
- int pollflag; /* 0, POLLIN or POLLOUT */
- enum io_state state;
- union {
- struct io_state_read read;
- struct io_state_write write;
- struct io_state_readpart readpart;
- struct io_state_writepart writepart;
- } u;
+ struct io_plan plan;
};
static inline bool timeout_active(const struct io_conn *conn)
void backend_add_timeout(struct io_conn *conn, struct timespec ts);
void backend_del_timeout(struct io_conn *conn);
-struct io_plan *do_ready(struct io_conn *conn);
+struct io_plan do_ready(struct io_conn *conn);
#endif /* CCAN_IO_BACKEND_H */