lws-adopt.h

/*
 * libwebsockets - small server side websockets and web server implementation
 *
 * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
 
 
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd);
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd);
 
typedef enum {
        LWS_ADOPT_RAW_FILE_DESC = 0,    /* convenience constant */
        LWS_ADOPT_HTTP = 1,             /* flag: absent implies RAW */
        LWS_ADOPT_SOCKET = 2,           /* flag: absent implies file descr */
        LWS_ADOPT_ALLOW_SSL = 4,        /* flag: if set requires LWS_ADOPT_SOCKET */
        LWS_ADOPT_FLAG_UDP = 16,        /* flag: socket is UDP */
        LWS_ADOPT_FLAG_RAW_PROXY = 32,  /* flag: raw proxy */
 
        LWS_ADOPT_RAW_SOCKET_UDP = LWS_ADOPT_SOCKET | LWS_ADOPT_FLAG_UDP,
} lws_adoption_type;
 
typedef union {
        lws_sockfd_type sockfd;
        lws_filefd_type filefd;
} lws_sock_file_fd_type;
 
#if defined(LWS_WITH_UDP)
struct lws_udp {
        struct sockaddr         sa;
        socklen_t               salen;
 
        struct sockaddr         sa_pending;
        socklen_t               salen_pending;
};
#endif
 
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
                           lws_sock_file_fd_type fd, const char *vh_prot_name,
                           struct lws *parent);
 
typedef struct lws_adopt_desc {
        struct lws_vhost *vh;           
        lws_adoption_type type;         
        lws_sock_file_fd_type fd;       
        const char *vh_prot_name;       
        struct lws *parent;             
        void *opaque;                   
} lws_adopt_desc_t;
 
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_descriptor_vhost_via_info(const lws_adopt_desc_t *info);
 
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
                         const char *readbuf, size_t len);
LWS_VISIBLE LWS_EXTERN struct lws *
lws_adopt_socket_vhost_readbuf(struct lws_vhost *vhost,
                               lws_sockfd_type accept_fd, const char *readbuf,
                               size_t len);
 
#define LWS_CAUDP_BIND (1 << 0)
#define LWS_CAUDP_BROADCAST (1 << 1)
#define LWS_CAUDP_PF_PACKET (1 << 2)
 
#if defined(LWS_WITH_UDP)
 
LWS_VISIBLE LWS_EXTERN struct lws *
lws_create_adopt_udp(struct lws_vhost *vhost, const char *ads, int port,
                     int flags, const char *protocol_name, const char *ifname,
                     struct lws *parent_wsi, void *opaque,
                     const lws_retry_bo_t *retry_policy);
#endif