mongoose/docs/c-api/net.h/struct_mg_connection.md

title	decl_name	symbol_kind	signature
struct mg_connection	struct mg_connection	struct	struct mg_connection { struct mg_connection *next, *prev; /* mg_mgr::active_connections linkage */ struct mg_connection *listener; /* Set only for accept()-ed connections */ struct mg_mgr *mgr; /* Pointer to containing manager */ sock_t sock; /* Socket to the remote peer */ int err; union socket_address sa; /* Remote peer address */ size_t recv_mbuf_limit; /* Max size of recv buffer */ struct mbuf recv_mbuf; /* Received data */ struct mbuf send_mbuf; /* Data scheduled for sending */ SSL *ssl; SSL_CTX *ssl_ctx; time_t last_io_time; /* Timestamp of the last socket IO */ double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */ mg_event_handler_t proto_handler; /* Protocol-specific event handler */ void *proto_data; /* Protocol-specific data */ void (*proto_data_destructor)(void *proto_data); mg_event_handler_t handler; /* Event handler function */ void *user_data; /* User-specific data */ union { void *v; /* * the C standard is fussy about fitting function pointers into * void pointers, since some archs might have fat pointers for functions. */ mg_event_handler_t f; } priv_1; /* Used by mg_enable_multithreading() */ void *priv_2; /* Used by mg_enable_multithreading() */ void *mgr_data; /* Implementation-specific event manager's data. */ unsigned long flags; /* Flags set by Mongoose */ #define MG_F_LISTENING (1 << 0) /* This connection is listening */ #define MG_F_UDP (1 << 1) /* This connection is UDP */ #define MG_F_RESOLVING (1 << 2) /* Waiting for async resolver */ #define MG_F_CONNECTING (1 << 3) /* connect() call in progress */ #define MG_F_SSL_HANDSHAKE_DONE (1 << 4) /* SSL specific */ #define MG_F_WANT_READ (1 << 5) /* SSL specific */ #define MG_F_WANT_WRITE (1 << 6) /* SSL specific */ #define MG_F_IS_WEBSOCKET (1 << 7) /* Websocket specific */ /* Flags that are settable by user */ #define MG_F_SEND_AND_CLOSE (1 << 10) /* Push remaining data and close */ #define MG_F_CLOSE_IMMEDIATELY (1 << 11) /* Disconnect */ #define MG_F_WEBSOCKET_NO_DEFRAG (1 << 12) /* Websocket specific */ #define MG_F_DELETE_CHUNK (1 << 13) /* HTTP specific */ #define MG_F_USER_1 (1 << 20) /* Flags left for application */ #define MG_F_USER_2 (1 << 21) #define MG_F_USER_3 (1 << 22) #define MG_F_USER_4 (1 << 23) #define MG_F_USER_5 (1 << 24) #define MG_F_USER_6 (1 << 25) };

Mongoose connection.