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/*

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 * The HTTP interface code

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 */

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#ifndef HTTP_H

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#define HTTP_H

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#include <event2/http.h>

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enum http_qarg_type {

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    QARG_INVALID,   // hqa_addr is NULL, abort parsing

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    QARG_INT,       // hqa_addr is a `signed long int`

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    QARG_UINT16,    // hqa_addr is an `unsigned short int`

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    QARG_UINT32,    // hqa_addr is an `unsigned int`

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    QARG_UINT64,    // hqa_addr is an `unsigned long long int`

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    QARG_END,       // last item in the qarg_spec

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};

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#define QARG_OPTIONAL 0x00

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#define QARG_REQUIRED 0x01

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struct http_qarg {

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    // the key to look for

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    const char          *hqa_key;

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    // the type of value

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    enum http_qarg_type  hqa_type;

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    // where to store the value, left unchanged if not specified in the request

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    void                *hqa_addr;

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    // flags

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    int                  hqa_flags;

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};

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/*

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 * Parse the query args in the given evhttp_request according to the given http_arg specification.

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 *

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 * Returns zero if all matching fields were succesfully parsed, nonzero if any field was invalid

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 */

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int http_qarg_parse (struct evhttp_request *request, struct http_qarg *qarg_spec);

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#endif /* HTTP_H */