xref: /unit/src/nxt_runtime.h (revision 743:e0f0cd7d244a)
1 
2 /*
3  * Copyright (C) Igor Sysoev
4  * Copyright (C) Valentin V. Bartenev
5  * Copyright (C) NGINX, Inc.
6  */
7 
8 #ifndef _NXT_RUNTIME_H_INCLUDED_
9 #define _NXT_RUNTIME_H_INCLUDED_
10 
11 
12 typedef void (*nxt_runtime_cont_t)(nxt_task_t *task, nxt_uint_t status);
13 
14 
15 struct nxt_runtime_s {
16     nxt_mp_t               *mem_pool;
17 
18     nxt_array_t            *inherited_sockets;  /* of nxt_listen_socket_t */
19     nxt_array_t            *listen_sockets;     /* of nxt_listen_socket_t */
20 
21     nxt_array_t            *services;           /* of nxt_service_t */
22     nxt_array_t            *languages;          /* of nxt_app_lang_module_t */
23     void                   *data;
24 
25     nxt_runtime_cont_t     start;
26 
27     nxt_str_t              hostname;
28 
29     nxt_file_name_t        *pid_file;
30 
31     nxt_array_t            *thread_pools;       /* of nxt_thread_pool_t */
32     nxt_runtime_cont_t     continuation;
33 
34     nxt_process_t          *mprocess;
35     size_t                 nprocesses;
36     nxt_thread_mutex_t     processes_mutex;
37     nxt_lvlhsh_t           processes;           /* of nxt_process_t */
38 
39     nxt_port_t             *port_by_type[NXT_PROCESS_MAX];
40     nxt_lvlhsh_t           ports;               /* of nxt_port_t */
41 
42     nxt_list_t             *log_files;          /* of nxt_file_t */
43 
44     uint32_t               last_engine_id;
45 
46     nxt_process_type_t     type;
47 
48     nxt_timer_t            timer;
49 
50     uint8_t                daemon;
51     uint8_t                batch;
52     uint8_t                status;
53 
54     const char             *engine;
55     uint32_t               engine_connections;
56     uint32_t               auxiliary_threads;
57     nxt_user_cred_t        user_cred;
58     const char             *group;
59     const char             *pid;
60     const char             *log;
61     const char             *modules;
62     const char             *state;
63     const char             *conf;
64     const char             *conf_tmp;
65     const char             *control;
66 
67     nxt_queue_t            engines;            /* of nxt_event_engine_t */
68 
69     nxt_sockaddr_t         *controller_listen;
70     nxt_listen_socket_t    *controller_socket;
71     nxt_str_t              upstream;
72 };
73 
74 
75 
76 typedef nxt_int_t (*nxt_module_init_t)(nxt_thread_t *thr, nxt_runtime_t *rt);
77 
78 
79 nxt_int_t nxt_runtime_create(nxt_task_t *task);
80 void nxt_runtime_quit(nxt_task_t *task, nxt_uint_t status);
81 
82 void nxt_runtime_event_engine_free(nxt_runtime_t *rt);
83 
84 nxt_int_t nxt_runtime_thread_pool_create(nxt_thread_t *thr, nxt_runtime_t *rt,
85     nxt_uint_t max_threads, nxt_nsec_t timeout);
86 
87 
88 nxt_process_t *nxt_runtime_process_new(nxt_runtime_t *rt);
89 
90 nxt_process_t *nxt_runtime_process_get(nxt_runtime_t *rt, nxt_pid_t pid);
91 
92 void nxt_runtime_process_add(nxt_task_t *task, nxt_process_t *process);
93 
94 nxt_process_t *nxt_runtime_process_find(nxt_runtime_t *rt, nxt_pid_t pid);
95 
96 void nxt_process_use(nxt_task_t *task, nxt_process_t *process, int i);
97 
98 nxt_process_t *nxt_runtime_process_first(nxt_runtime_t *rt,
99     nxt_lvlhsh_each_t *lhe);
100 
101 #define nxt_runtime_process_next(rt, lhe)                                     \
102     nxt_lvlhsh_each(&rt->processes, lhe)
103 
104 
105 void nxt_runtime_port_add(nxt_task_t *task, nxt_port_t *port);
106 
107 void nxt_runtime_port_remove(nxt_task_t *task, nxt_port_t *port);
108 
109 NXT_EXPORT nxt_port_t *nxt_runtime_port_find(nxt_runtime_t *rt, nxt_pid_t pid,
110     nxt_port_id_t port_id);
111 
112 
113 /* STUB */
114 nxt_int_t nxt_runtime_controller_socket(nxt_task_t *task, nxt_runtime_t *rt);
115 
116 nxt_str_t *nxt_current_directory(nxt_mp_t *mp);
117 
118 nxt_listen_socket_t *nxt_runtime_listen_socket_add(nxt_runtime_t *rt,
119     nxt_sockaddr_t *sa);
120 nxt_int_t nxt_runtime_listen_sockets_create(nxt_task_t *task,
121     nxt_runtime_t *rt);
122 nxt_int_t nxt_runtime_listen_sockets_enable(nxt_task_t *task,
123     nxt_runtime_t *rt);
124 nxt_file_t *nxt_runtime_log_file_add(nxt_runtime_t *rt, nxt_str_t *name);
125 
126 /* STUB */
127 void nxt_cdecl nxt_log_time_handler(nxt_uint_t level, nxt_log_t *log,
128     const char *fmt, ...);
129 
130 void nxt_stream_connection_init(nxt_task_t *task, void *obj, void *data);
131 
132 
133 #define nxt_runtime_process_each(rt, process)                                 \
134     do {                                                                      \
135         nxt_lvlhsh_each_t  _lhe;                                              \
136         nxt_process_t      *_nxt;                                             \
137                                                                               \
138         for (process = nxt_runtime_process_first(rt, &_lhe);                  \
139              process != NULL;                                                 \
140              process = _nxt) {                                                \
141                                                                               \
142             _nxt = nxt_runtime_process_next(rt, &_lhe);                       \
143 
144 #define nxt_runtime_process_loop                                              \
145         }                                                                     \
146     } while(0)
147 
148 
149 extern nxt_module_init_t  nxt_init_modules[];
150 extern nxt_uint_t         nxt_init_modules_n;
151 
152 
153 #endif /* _NXT_RUNTIME_H_INCLIDED_ */
154