xref: /lighttpd1.4/src/base.h (revision 3392e8fb)
1 #ifndef _BASE_H_
2 #define _BASE_H_
3 #include "first.h"
4 
5 #include <sys/types.h>
6 #include <sys/time.h>
7 
8 #if defined(__APPLE__) && defined(__MACH__)
9 #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050
10 #include <time.h>
11 #endif
12 #endif
13 
14 #include "base_decls.h"
15 #include "buffer.h"
16 #include "array.h"
17 #include "chunk.h"
18 #include "http_kv.h"
19 #include "request.h"
20 #include "sock_addr.h"
21 
22 struct fdevents;        /* declaration */
23 
24 
25 struct connection {
26 
27 	request_st request;
28 	h2con *h2;
29 
30 	int fd;                      /* the FD for this connection */
31 	int ndx;                     /* reverse mapping to server->connection[ndx] */
32 	fdnode *fdn;                 /* fdevent (fdnode *) object */
33 
34 	/* fd states */
35 	signed char is_readable;
36 	signed char is_writable;
37 	char is_ssl_sock;
38 	char traffic_limit_reached;
39 	uint16_t revents_err;
40 	uint16_t proto_default_port;
41 
42 	chunkqueue *write_queue;      /* a large queue for low-level write ( HTTP response ) [ file, mem ] */
43 	chunkqueue *read_queue;       /* a small queue for low-level read ( HTTP request ) [ mem ] */
44 
45 	off_t bytes_written;          /* used by mod_accesslog, mod_rrd */
46 	off_t bytes_written_cur_second; /* used by mod_accesslog, mod_rrd */
47 	off_t bytes_read;             /* used by mod_accesslog, mod_rrd */
48 
49 	int (* network_write)(struct connection *con, chunkqueue *cq, off_t max_bytes);
50 	int (* network_read)(struct connection *con, chunkqueue *cq, off_t max_bytes);
51 	handler_t (* reqbody_read)(struct request_st *r);
52 
53 	server *srv;
54 	void *plugin_slots;
55 	void **plugin_ctx;           /* plugin connection specific config */
56 	void *config_data_base;
57 
58 	sock_addr dst_addr;
59 	buffer *dst_addr_buf;
60 	struct server_socket *srv_socket;   /* reference to the server-socket */
61 
62 	/* timestamps */
63 	time_t read_idle_ts;
64 	time_t close_timeout_ts;
65 	time_t write_request_ts;
66 
67 	time_t connection_start;
68 	uint32_t request_count;      /* number of requests handled in this connection */
69 	int keep_alive_idle;         /* remember max_keep_alive_idle from config */
70 };
71 
72 typedef struct {
73 	connection **ptr;
74 	uint32_t size;
75 	uint32_t used;
76 } connections;
77 
78 typedef struct {
79 	void *ptr;
80 	uint32_t used;
81 	uint32_t size;
82 } buffer_plugin;
83 
84 typedef struct {
85 	/*(used sparsely, if at all, after config at startup)*/
86 
87 	uint32_t max_request_field_size;
88 	unsigned char log_state_handling;
89 	unsigned char log_request_header_on_error;
90 	unsigned char http_header_strict;
91 	unsigned char http_host_strict;
92 	unsigned char http_host_normalize;
93 	unsigned char http_method_get_body;
94 	unsigned char high_precision_timestamps;
95 	unsigned char h2proto;
96 	unsigned short http_url_normalize;
97 	unsigned char absolute_dir_redirect;
98 
99 	unsigned short max_worker;
100 	unsigned short max_fds;
101 	unsigned short max_conns;
102 	unsigned short port;
103 
104 	unsigned int upload_temp_file_size;
105 	array *upload_tempdirs;
106 
107 	unsigned char dont_daemonize;
108 	unsigned char preflight_check;
109 	unsigned char enable_cores;
110 	unsigned char compat_module_load;
111 	unsigned char config_deprecated;
112 	unsigned char config_unsupported;
113 	unsigned char systemd_socket_activation;
114 	unsigned char errorlog_use_syslog;
115 	const buffer *syslog_facility;
116 	const buffer *bindhost;
117 	const buffer *changeroot;
118 	const buffer *username;
119 	const buffer *groupname;
120 	const buffer *network_backend;
121 	const array *feature_flags;
122 	const char *event_handler;
123 	buffer *pid_file;
124 	buffer *modules_dir;
125 	array *modules;
126 	array *config_touched;
127 	array empty_array;
128 } server_config;
129 
130 typedef struct server_socket {
131 	sock_addr addr;
132 	int       fd;
133 
134 	uint8_t is_ssl;
135 	uint8_t srv_token_colon;
136 	unsigned short sidx;
137 
138 	fdnode *fdn;
139 	server *srv;
140 	buffer *srv_token;
141 } server_socket;
142 
143 typedef struct {
144 	server_socket **ptr;
145 
146 	uint32_t size;
147 	uint32_t used;
148 } server_socket_array;
149 
150 struct server {
151 	void *plugin_slots;
152 	array *config_context;
153 
154 	struct fdevents *ev;
155 	int (* network_backend_write)(int fd, chunkqueue *cq, off_t max_bytes, log_error_st *errh);
156 	handler_t (* request_env)(request_st *r);
157 
158 	/* buffers */
159 	buffer *tmp_buf;
160 
161 	connections conns;
162 	connections joblist_A;
163 	connections joblist_B;
164 	connections fdwaitqueue;
165 
166 	/* counters */
167 	int con_opened;
168 	int con_read;
169 	int con_written;
170 	int con_closed;
171 
172 	int max_fds;    /* max possible fds */
173 	int max_fds_lowat;/* low  watermark */
174 	int max_fds_hiwat;/* high watermark */
175 	int cur_fds;    /* currently used fds */
176 	int sockets_disabled;
177 
178 	uint32_t max_conns;
179 
180 	log_error_st *errh;
181 
182 	time_t loadts;
183 	double loadavg[3];
184 
185 	/* members used at start-up or rarely used */
186 
187 	server_config srvconf;
188 	void *config_data_base;
189 
190 	server_socket_array srv_sockets;
191 	server_socket_array srv_sockets_inherited;
192 	buffer_plugin plugins;
193 
194 	time_t startup_ts;
195 	time_t graceful_expire_ts;
196 
197 	uid_t uid;
198 	gid_t gid;
199 	pid_t pid;
200 	int stdin_fd;
201 
202 	char **argv;
203 };
204 
205 
206 #endif
207