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#ifndef _LIGHTTPD_CONNECTION_H_
#define _LIGHTTPD_CONNECTION_H_
#ifndef _LIGHTTPD_BASE_H_
#error Please include <lighttpd/base.h> instead of this file
#endif
typedef enum {
/** unused */
LI_CON_STATE_DEAD,
/** waiting for new input after first request */
LI_CON_STATE_KEEP_ALIVE,
/** after the connect, the request is initialized */
LI_CON_STATE_REQUEST_START,
/** loop in the read-request-header until the full header is received */
LI_CON_STATE_READ_REQUEST_HEADER,
/** handle in main virtual request */
LI_CON_STATE_HANDLE_MAINVR,
/** write remaining bytes from raw_out, mainvr finished (or not started) */
LI_CON_STATE_WRITE,
} liConnectionState;
struct liConnection {
guint idx; /** index in connection table */
liServer *srv;
liWorker *wrk;
liServerSocket *srv_sock;
liConnectionState state;
gboolean response_headers_sent, expect_100_cont;
liChunkQueue *raw_in, *raw_out;
liChunkQueue *in, *out; /* link to mainvr->in/out */
ev_io sock_watcher;
liSocketAddress remote_addr;
GString *remote_addr_str;
gboolean is_ssl, keep_alive;
liVRequest *mainvr;
liHttpRequestCtx req_parser_ctx;
/* Keep alive timeout data */
struct {
GList *link;
ev_tstamp timeout;
guint max_idle;
ev_timer watcher;
} keep_alive_data;
guint keep_alive_requests;
/* I/O timeout data */
liWaitQueueElem io_timeout_elem;
/* I/O throttling */
gboolean throttled; /* TRUE if connection is throttled */
struct {
struct {
liThrottlePool *ptr; /* NULL if not in any throttling pool */
GList lnk;
gboolean queued;
gint magazine;
} pool;
struct {
liThrottlePool *ptr; /* pool for per-ip throttling, NULL if not limited by ip */
GList lnk;
gboolean queued;
gint magazine;
} ip;
struct {
guint rate; /* maximum transfer rate in bytes per second, 0 if unlimited */
gint magazine;
ev_tstamp last_update;
} con;
liWaitQueueElem wqueue_elem;
} throttle;
ev_tstamp ts;
struct {
guint64 bytes_in; /* total number of bytes received */
guint64 bytes_out; /* total number of bytes sent */
ev_tstamp last_avg;
guint64 bytes_in_5s; /* total number of bytes received at last 5s interval */
guint64 bytes_out_5s; /* total number of bytes sent at last 5s interval */
guint64 bytes_in_5s_diff; /* diff between bytes received at 5s interval n and interval n-1 */
guint64 bytes_out_5s_diff; /* diff between bytes sent at 5s interval n and interval n-1 */
} stats;
};
/* Internal functions */
LI_API liConnection* li_connection_new(liWorker *wrk);
LI_API void li_connection_free(liConnection *con);
LI_API void li_connection_reset(liConnection *con);
/** aborts an active connection, calls all plugin cleanup handlers */
LI_API void li_connection_error(liConnection *con); /* used in worker.c */
/* public function */
LI_API gchar *li_connection_state_str(liConnectionState state);
#endif