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126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
/*
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* Copyright 2001 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* This header file contains definitions for dealing with HTTP requests
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* that are internal to libevent. As user of the library, you should not
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* need to know about these.
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*/
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#ifndef _HTTP_H_
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#define _HTTP_H_
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#define HTTP_CONNECT_TIMEOUT 45
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#define HTTP_WRITE_TIMEOUT 50
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#define HTTP_READ_TIMEOUT 50
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#define HTTP_PREFIX "http://"
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#define HTTP_DEFAULTPORT 80
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struct evbuffer;
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struct addrinfo;
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/* A stupid connection object - maybe make this a bufferevent later */
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struct evhttp_connection {
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int fd;
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struct event ev;
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char *address;
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u_short port;
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void (*cb)(struct evhttp_connection *, void *);
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void *cb_arg;
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};
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enum evhttp_request_kind { EVHTTP_REQUEST, EVHTTP_RESPONSE };
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struct evhttp_request {
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struct evkeyvalq *input_headers;
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struct evkeyvalq *output_headers;
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char *remote_host;
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u_short remote_port;
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enum evhttp_request_kind kind;
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enum evhttp_cmd_type type;
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char *uri; /* uri after HTTP request was parsed */
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char major; /* HTTP Major number */
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char minor; /* HTTP Minor number */
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int got_firstline;
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int response_code; /* HTTP Response code */
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char *response_code_line; /* Readable response */
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int fd;
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struct event ev;
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struct evbuffer *buffer;
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int ntoread;
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/* Callback */
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void (*cb)(struct evhttp_request *, void *);
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void *cb_arg;
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void (*save_cb)(struct evhttp_request *, void *);
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void *save_cbarg;
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};
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struct evhttp_cb {
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TAILQ_ENTRY(evhttp_cb) next;
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char *what;
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void (*cb)(struct evhttp_request *req, void *);
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void *cbarg;
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};
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struct evhttp {
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struct event bind_ev;
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TAILQ_HEAD(httpcbq, evhttp_cb) callbacks;
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void (*gencb)(struct evhttp_request *req, void *);
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void *gencbarg;
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};
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void evhttp_get_request(int, struct sockaddr *, socklen_t,
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void (*)(struct evhttp_request *, void *), void *);
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/*
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* Starts a connection to the specified address and invokes the callback
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* if everything is fine.
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*/
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struct evhttp_connection *evhttp_connect(
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const char *address, unsigned short port,
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void (*cb)(struct evhttp_connection *, void *), void *cb_arg);
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/* Frees an http connection */
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void evhttp_connection_free(struct evhttp_connection *evcon);
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int evhttp_make_request(struct evhttp_connection *evcon,
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struct evhttp_request *req,
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enum evhttp_cmd_type type, const char *uri);
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int evhttp_hostportfile(char *, char **, u_short *, char **);
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int evhttp_parse_lines(struct evhttp_request *, struct evbuffer*);
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void evhttp_start_read(struct evhttp_request *);
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void evhttp_read_header(int, short, void *);
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void evhttp_make_header(struct evbuffer *, struct evhttp_request *);
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void evhttp_form_response(struct evbuffer *, struct evhttp_request *);
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void evhttp_write_buffer(struct evhttp_request *, struct evbuffer *,
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void (*)(struct evhttp_request *, void *), void *);
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/* response sending HTML the data in the buffer */
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void evhttp_response_code(struct evhttp_request *, int, const char *);
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void evhttp_send_page(struct evhttp_request *, struct evbuffer *);
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void evhttp_fail(struct evhttp_request *);
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#endif /* _HTTP_H */
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