/* * Copyright (C) Igor Sysoev * Copyright (C) NGINX, Inc. */ #ifndef _NXT_HTTP_H_INCLUDED_ #define _NXT_HTTP_H_INCLUDED_ typedef enum { NXT_HTTP_INVALID = 0, NXT_HTTP_OK = 200, NXT_HTTP_NO_CONTENT = 204, NXT_HTTP_MULTIPLE_CHOICES = 300, NXT_HTTP_MOVED_PERMANENTLY = 301, NXT_HTTP_FOUND = 302, NXT_HTTP_SEE_OTHER = 303, NXT_HTTP_NOT_MODIFIED = 304, NXT_HTTP_BAD_REQUEST = 400, NXT_HTTP_NOT_FOUND = 404, NXT_HTTP_REQUEST_TIMEOUT = 408, NXT_HTTP_LENGTH_REQUIRED = 411, NXT_HTTP_PAYLOAD_TOO_LARGE = 413, NXT_HTTP_URI_TOO_LONG = 414, NXT_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE = 431, NXT_HTTP_TO_HTTPS = 497, NXT_HTTP_INTERNAL_SERVER_ERROR = 500, NXT_HTTP_NOT_IMPLEMENTED = 501, NXT_HTTP_BAD_GATEWAY = 502, NXT_HTTP_SERVICE_UNAVAILABLE = 503, NXT_HTTP_GATEWAY_TIMEOUT = 504, NXT_HTTP_VERSION_NOT_SUPPORTED = 505, } nxt_http_status_t; typedef enum { NXT_HTTP_TE_NONE = 0, NXT_HTTP_TE_CHUNKED = 1, NXT_HTTP_TE_UNSUPPORTED = 2, } nxt_http_te_t; typedef struct { nxt_work_handler_t ready_handler; nxt_work_handler_t error_handler; } nxt_http_request_state_t; typedef struct { nxt_http_request_parse_t parser; uint8_t nbuffers; uint8_t keepalive; /* 1 bit */ uint8_t chunked; /* 1 bit */ nxt_http_te_t transfer_encoding:8; /* 2 bits */ uint32_t header_size; nxt_http_request_t *request; nxt_buf_t *buffers; /* * All fields before the conn field will * be zeroed in a keep-alive connection. */ nxt_conn_t *conn; } nxt_h1proto_t; typedef union { void *any; nxt_h1proto_t *h1; } nxt_http_proto_t; #define nxt_http_field_name_set(_field, _name) \ do { \ (_field)->name_length = nxt_length(_name); \ (_field)->name = (u_char *) _name; \ } while (0) #define nxt_http_field_set(_field, _name, _value) \ do { \ (_field)->name_length = nxt_length(_name); \ (_field)->value_length = nxt_length(_value); \ (_field)->name = (u_char *) _name; \ (_field)->value = (u_char *) _value; \ } while (0) typedef struct { nxt_list_t *fields; nxt_http_field_t *date; nxt_http_field_t *content_type; nxt_http_field_t *content_length; nxt_off_t content_length_n; } nxt_http_response_t; struct nxt_http_request_s { nxt_http_proto_t proto; nxt_socket_conf_joint_t *conf; nxt_mp_t *mem_pool; nxt_buf_t *body; nxt_buf_t *out; const nxt_http_request_state_t *state; nxt_str_t host; nxt_str_t server_name; nxt_str_t target; nxt_str_t version; nxt_str_t *method; nxt_str_t *path; nxt_str_t *args; nxt_array_t *arguments; /* of nxt_http_name_value_t */ nxt_array_t *cookies; /* of nxt_http_name_value_t */ nxt_list_t *fields; nxt_http_field_t *content_type; nxt_http_field_t *content_length; nxt_http_field_t *cookie; nxt_http_field_t *referer; nxt_http_field_t *user_agent; nxt_off_t content_length_n; nxt_sockaddr_t *remote; nxt_sockaddr_t *local; void *tls; nxt_timer_t timer; void *timer_data; nxt_buf_t *last; nxt_http_response_t resp; nxt_http_status_t status:16; uint8_t pass_count; /* 8 bits */ uint8_t protocol; /* 2 bits */ uint8_t logged; /* 1 bit */ uint8_t header_sent; /* 1 bit */ uint8_t error; /* 1 bit */ }; typedef struct nxt_http_route_s nxt_http_route_t; struct nxt_http_pass_s { nxt_http_pass_t *(*handler)(nxt_task_t *task, nxt_http_request_t *r, nxt_http_pass_t *pass); union { nxt_http_route_t *route; nxt_app_t *application; } u; nxt_str_t name; }; typedef void (*nxt_http_proto_body_read_t)(nxt_task_t *task, nxt_http_request_t *r); typedef void (*nxt_http_proto_local_addr_t)(nxt_task_t *task, nxt_http_request_t *r); typedef void (*nxt_http_proto_header_send_t)(nxt_task_t *task, nxt_http_request_t *r); typedef void (*nxt_http_proto_send_t)(nxt_task_t *task, nxt_http_request_t *r, nxt_buf_t *out); typedef nxt_off_t (*nxt_http_proto_body_bytes_sent_t)(nxt_task_t *task, nxt_http_proto_t proto); typedef void (*nxt_http_proto_discard_t)(nxt_task_t *task, nxt_http_request_t *r, nxt_buf_t *last); typedef void (*nxt_http_proto_close_t)(nxt_task_t *task, nxt_http_proto_t proto, nxt_socket_conf_joint_t *joint); nxt_int_t nxt_http_init(nxt_task_t *task, nxt_runtime_t *rt); nxt_int_t nxt_h1p_init(nxt_task_t *task, nxt_runtime_t *rt); nxt_int_t nxt_http_response_hash_init(nxt_task_t *task, nxt_runtime_t *rt); void nxt_http_conn_init(nxt_task_t *task, void *obj, void *data); nxt_http_request_t *nxt_http_request_create(nxt_task_t *task); void nxt_http_request_error(nxt_task_t *task, nxt_http_request_t *r, nxt_http_status_t status); void nxt_http_request_read_body(nxt_task_t *task, nxt_http_request_t *r); void nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r); void nxt_http_request_send(nxt_task_t *task, nxt_http_request_t *r, nxt_buf_t *out); nxt_buf_t *nxt_http_buf_mem(nxt_task_t *task, nxt_http_request_t *r, size_t size); nxt_buf_t *nxt_http_buf_last(nxt_http_request_t *r); void nxt_http_request_error_handler(nxt_task_t *task, void *obj, void *data); nxt_int_t nxt_http_request_host(void *ctx, nxt_http_field_t *field, uintptr_t data); nxt_int_t nxt_http_request_field(void *ctx, nxt_http_field_t *field, uintptr_t offset); nxt_int_t nxt_http_request_content_length(void *ctx, nxt_http_field_t *field, uintptr_t data); nxt_http_routes_t *nxt_http_routes_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf, nxt_conf_value_t *routes_conf); nxt_http_pass_t *nxt_http_pass_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf, nxt_str_t *name); void nxt_http_routes_resolve(nxt_task_t *task, nxt_router_temp_conf_t *tmcf); nxt_http_pass_t *nxt_http_pass_application(nxt_task_t *task, nxt_router_temp_conf_t *tmcf, nxt_str_t *name); void nxt_http_routes_cleanup(nxt_task_t *task, nxt_http_routes_t *routes); void nxt_http_pass_cleanup(nxt_task_t *task, nxt_http_pass_t *pass); nxt_http_pass_t *nxt_http_request_application(nxt_task_t *task, nxt_http_request_t *r, nxt_http_pass_t *pass); extern nxt_time_string_t nxt_http_date_cache; extern nxt_lvlhsh_t nxt_response_fields_hash; extern const nxt_http_proto_body_read_t nxt_http_proto_body_read[]; extern const nxt_http_proto_local_addr_t nxt_http_proto_local_addr[]; extern const nxt_http_proto_header_send_t nxt_http_proto_header_send[]; extern const nxt_http_proto_send_t nxt_http_proto_send[]; extern const nxt_http_proto_body_bytes_sent_t nxt_http_proto_body_bytes_sent[]; extern const nxt_http_proto_discard_t nxt_http_proto_discard[]; extern const nxt_http_proto_close_t nxt_http_proto_close[]; #endif /* _NXT_HTTP_H_INCLUDED_ */