lighttpd 1.4.x https://www.lighttpd.net/
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#ifndef _BASE_H_
#define _BASE_H_
#include "first.h"
#include <sys/types.h>
#include <sys/time.h>
#include "base_decls.h"
#include "buffer.h"
#include "array.h"
#include "chunk.h"
#include "http_kv.h"
#include "sock_addr.h"
struct fdevents; /* declaration */
struct stat_cache; /* declaration */
struct cond_cache_t; /* declaration */
struct cond_match_t; /* declaration */
#define DIRECT 0 /* con->mode */
typedef struct request_st {
/** HEADER */
/* the request-line */
buffer *request;
buffer *uri;
buffer *orig_uri;
http_method_t http_method;
http_version_t http_version;
/* strings to the header */
buffer *http_host; /* not alloced */
unsigned int htags; /* bitfield of flagged headers present in request */
array headers;
/* CONTENT */
off_t content_length; /* returned by strtoll() */
off_t te_chunked;
int keep_alive; /* only request.c can enable it, all other just disable */
/* internal */
buffer *pathinfo;
} request;
typedef struct {
off_t content_length;
unsigned int htags; /* bitfield of flagged headers present in response */
array headers;
int send_chunked;
} response;
typedef struct {
buffer *scheme; /* scheme without colon or slashes ( "http" or "https" ) */
/* authority with optional portnumber ("site.name" or "site.name:8080" ) NOTE: without "username:password@" */
buffer *authority;
/* path including leading slash ("/" or "/index.html") - urldecoded, and sanitized ( buffer_path_simplify() && buffer_urldecode_path() ) */
buffer *path;
buffer *path_raw; /* raw path, as sent from client. no urldecoding or path simplifying */
buffer *query; /* querystring ( everything after "?", ie: in "/index.php?foo=1", query is "foo=1" ) */
} request_uri;
typedef struct {
buffer *path;
buffer *basedir; /* path = "(basedir)(.*)" */
buffer *doc_root; /* path = doc_root + rel_path */
buffer *rel_path;
buffer *etag;
} physical;
typedef struct {
const array *mimetypes;
/* virtual-servers */
const buffer *document_root;
const buffer *server_name;
const buffer *server_tag;
log_error_st *errh;
uint32_t max_request_field_size;
unsigned short max_keep_alive_requests;
unsigned short max_keep_alive_idle;
unsigned short max_read_idle;
unsigned short max_write_idle;
unsigned short stream_request_body;
unsigned short stream_response_body;
unsigned char high_precision_timestamps;
unsigned char allow_http11;
unsigned char follow_symlink;
unsigned char etag_flags;
unsigned char force_lowercase_filenames; /* if the FS is case-insensitive, force all files to lower-case */
unsigned char use_xattr;
unsigned char range_requests;
unsigned char error_intercept;
/* debug */
unsigned char log_file_not_found;
unsigned char log_request_header;
unsigned char log_request_handling;
unsigned char log_response_header;
unsigned char log_condition_handling;
unsigned char log_timeouts;
unsigned char log_state_handling;
unsigned char log_request_header_on_error;
unsigned int http_parseopts;
unsigned int max_request_size;
unsigned int bytes_per_second; /* connection bytes/sec limit */
unsigned int global_bytes_per_second;/*total bytes/sec limit for scope*/
/* server-wide traffic-shaper
*
* each context has the counter which is inited once
* a second by the global_bytes_per_second config-var
*
* as soon as global_bytes_per_second gets below 0
* the connected conns are "offline" a little bit
*
* the problem:
* we somehow have to loose our "we are writable" signal
* on the way.
*
*/
off_t *global_bytes_per_second_cnt_ptr; /* */
const buffer *error_handler;
const buffer *error_handler_404;
const buffer *errorfile_prefix;
log_error_st *serrh; /* script errh */
} request_config;
/* the order of the items should be the same as they are processed
* read before write as we use this later */
typedef enum {
CON_STATE_CONNECT,
CON_STATE_REQUEST_START,
CON_STATE_READ,
CON_STATE_REQUEST_END,
CON_STATE_READ_POST,
CON_STATE_HANDLE_REQUEST,
CON_STATE_RESPONSE_START,
CON_STATE_WRITE,
CON_STATE_RESPONSE_END,
CON_STATE_ERROR,
CON_STATE_CLOSE
} connection_state_t;
struct connection {
connection_state_t state;
/* timestamps */
time_t read_idle_ts;
time_t close_timeout_ts;
time_t write_request_ts;
time_t connection_start;
time_t request_start;
struct timespec request_start_hp;
uint32_t request_count; /* number of requests handled in this connection */
uint32_t loops_per_request; /* to catch endless loops in a single request
*
* used by mod_rewrite, mod_fastcgi, ... and others
* this is self-protection
*/
fdnode *fdn; /* fdevent (fdnode *) object */
int fd; /* the FD for this connection */
int ndx; /* reverse mapping to server->connection[ndx] */
/* fd states */
int is_readable;
int is_writable;
int is_ssl_sock;
int keep_alive_idle; /* remember max_keep_alive_idle from config */
int file_started;
int file_finished;
chunkqueue *write_queue; /* a large queue for low-level write ( HTTP response ) [ file, mem ] */
chunkqueue *read_queue; /* a small queue for low-level read ( HTTP request ) [ mem ] */
chunkqueue *request_content_queue; /* takes request-content into tempfile if necessary [ tempfile, mem ]*/
int traffic_limit_reached;
off_t bytes_written; /* used by mod_accesslog, mod_rrd */
off_t bytes_written_cur_second; /* used by mod_accesslog, mod_rrd */
off_t bytes_read; /* used by mod_accesslog, mod_rrd */
off_t bytes_header;
sock_addr dst_addr;
buffer *dst_addr_buf;
/* request */
int http_status;
uint32_t header_len;
request request;
request_uri uri;
physical physical;
response response;
array environment; /* used to pass lighttpd internal stuff to the FastCGI/CGI apps, setenv does that */
int mode; /* DIRECT (0) or plugin id */
int async_callback;
server *srv;
void *plugin_slots;
void **plugin_ctx; /* plugin connection specific config */
request_config conf;
uint32_t conditional_is_valid;
struct cond_cache_t *cond_cache;
struct cond_match_t *cond_match;
void *config_data_base;
const buffer *server_name;
buffer *server_name_buf;
uint16_t proto_default_port;
/* error-handler */
int error_handler_saved_status;
http_method_t error_handler_saved_method;
struct server_socket *srv_socket; /* reference to the server-socket */
int (* network_write)(struct connection *con, chunkqueue *cq, off_t max_bytes);
int (* network_read)(struct connection *con, chunkqueue *cq, off_t max_bytes);
};
typedef struct {
connection **ptr;
uint32_t size;
uint32_t used;
} connections;
typedef struct {
void *ptr;
uint32_t used;
uint32_t size;
} buffer_plugin;
typedef struct {
/*(used sparsely, if at all, after config at startup)*/
uint32_t max_request_field_size;
unsigned char log_state_handling;
unsigned char log_request_header_on_error;
unsigned char http_header_strict;
unsigned char http_host_strict;
unsigned char http_host_normalize;
unsigned char http_method_get_body;
unsigned char high_precision_timestamps;
unsigned short http_url_normalize;
unsigned short max_worker;
unsigned short max_fds;
unsigned short max_conns;
unsigned short port;
unsigned int upload_temp_file_size;
array *upload_tempdirs;
unsigned char dont_daemonize;
unsigned char preflight_check;
unsigned char enable_cores;
unsigned char compat_module_load;
unsigned char config_deprecated;
unsigned char config_unsupported;
unsigned char systemd_socket_activation;
unsigned char errorlog_use_syslog;
const buffer *syslog_facility;
const buffer *bindhost;
const buffer *changeroot;
const buffer *username;
const buffer *groupname;
const buffer *network_backend;
const char *event_handler;
buffer *pid_file;
buffer *modules_dir;
array *modules;
array *config_touched;
array empty_array;
} server_config;
typedef struct server_socket {
sock_addr addr;
int fd;
unsigned short is_ssl;
unsigned short sidx;
fdnode *fdn;
server *srv;
buffer *srv_token;
} server_socket;
typedef struct {
server_socket **ptr;
uint32_t size;
uint32_t used;
} server_socket_array;
struct server {
void *plugin_slots;
array *config_context;
struct fdevents *ev;
int (* network_backend_write)(int fd, chunkqueue *cq, off_t max_bytes, log_error_st *errh);
handler_t (* request_env)(connection *con);
/* buffers */
buffer *tmp_buf;
connections conns;
connections joblist;
connections fdwaitqueue;
/* counters */
int con_opened;
int con_read;
int con_written;
int con_closed;
int max_fds; /* max possible fds */
int max_fds_lowat;/* low watermark */
int max_fds_hiwat;/* high watermark */
int cur_fds; /* currently used fds */
int sockets_disabled;
uint32_t max_conns;
log_error_st *errh;
time_t loadts;
double loadavg[3];
/* members used at start-up or rarely used */
server_config srvconf;
void *config_data_base;
server_socket_array srv_sockets;
server_socket_array srv_sockets_inherited;
buffer_plugin plugins;
time_t startup_ts;
uid_t uid;
gid_t gid;
pid_t pid;
};
#endif