src/lib-auth/auth-server-connection.h

#ifndef AUTH_SERVER_CONNECTION_H
#define AUTH_SERVER_CONNECTION_H

struct auth_server_connection {
    pool_t pool;

    struct auth_client *client;
    int fd;
    time_t last_connect;

    struct io *io;
    struct timeout *to;
    struct istream *input;
    struct ostream *output;

    unsigned int server_pid;
    unsigned int connect_uid;
    char *cookie;

    ARRAY(struct auth_mech_desc) available_auth_mechs;

    /* id => request */
    HASH_TABLE(void *, struct auth_client_request *) requests;

    bool version_received:1;
    bool handshake_received:1;
    bool has_plain_mech:1;
    bool connected:1;
};

struct auth_server_connection *
auth_server_connection_init(struct auth_client *client);
void auth_server_connection_deinit(struct auth_server_connection **conn);

int auth_server_connection_connect(struct auth_server_connection *conn);
void auth_server_connection_disconnect(struct auth_server_connection *conn,
                       const char *reason);

/* Queues a new request. Must not be called if connection is not connected. */
unsigned int
auth_server_connection_add_request(struct auth_server_connection *conn,
                   struct auth_client_request *request);
void auth_server_connection_remove_request(struct auth_server_connection *conn,
                       unsigned int id);
#endif