LCOV - code coverage report
Current view: top level - src - httpserver.h (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 1 1 100.0 %
Date: 2021-06-29 14:35:33 Functions: 1 1 100.0 %
Legend: Modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed

Not modified by patch:
Lines: hit not hit | Branches: + taken - not taken # not executed
Branches: 0 0 -

           Branch data     Line data    Source code
#       1                 :            : // Copyright (c) 2015-2020 The Bitcoin Core developers
#       2                 :            : // Distributed under the MIT software license, see the accompanying
#       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
#       4                 :            : 
#       5                 :            : #ifndef BITCOIN_HTTPSERVER_H
#       6                 :            : #define BITCOIN_HTTPSERVER_H
#       7                 :            : 
#       8                 :            : #include <string>
#       9                 :            : #include <functional>
#      10                 :            : 
#      11                 :            : static const int DEFAULT_HTTP_THREADS=4;
#      12                 :            : static const int DEFAULT_HTTP_WORKQUEUE=16;
#      13                 :            : static const int DEFAULT_HTTP_SERVER_TIMEOUT=30;
#      14                 :            : 
#      15                 :            : struct evhttp_request;
#      16                 :            : struct event_base;
#      17                 :            : class CService;
#      18                 :            : class HTTPRequest;
#      19                 :            : 
#      20                 :            : /** Initialize HTTP server.
#      21                 :            :  * Call this before RegisterHTTPHandler or EventBase().
#      22                 :            :  */
#      23                 :            : bool InitHTTPServer();
#      24                 :            : /** Start HTTP server.
#      25                 :            :  * This is separate from InitHTTPServer to give users race-condition-free time
#      26                 :            :  * to register their handlers between InitHTTPServer and StartHTTPServer.
#      27                 :            :  */
#      28                 :            : void StartHTTPServer();
#      29                 :            : /** Interrupt HTTP server threads */
#      30                 :            : void InterruptHTTPServer();
#      31                 :            : /** Stop HTTP server */
#      32                 :            : void StopHTTPServer();
#      33                 :            : 
#      34                 :            : /** Change logging level for libevent. Removes BCLog::LIBEVENT from log categories if
#      35                 :            :  * libevent doesn't support debug logging.*/
#      36                 :            : bool UpdateHTTPServerLogging(bool enable);
#      37                 :            : 
#      38                 :            : /** Handler for requests to a certain HTTP path */
#      39                 :            : typedef std::function<bool(HTTPRequest* req, const std::string &)> HTTPRequestHandler;
#      40                 :            : /** Register handler for prefix.
#      41                 :            :  * If multiple handlers match a prefix, the first-registered one will
#      42                 :            :  * be invoked.
#      43                 :            :  */
#      44                 :            : void RegisterHTTPHandler(const std::string &prefix, bool exactMatch, const HTTPRequestHandler &handler);
#      45                 :            : /** Unregister handler for prefix */
#      46                 :            : void UnregisterHTTPHandler(const std::string &prefix, bool exactMatch);
#      47                 :            : 
#      48                 :            : /** Return evhttp event base. This can be used by submodules to
#      49                 :            :  * queue timers or custom events.
#      50                 :            :  */
#      51                 :            : struct event_base* EventBase();
#      52                 :            : 
#      53                 :            : /** In-flight HTTP request.
#      54                 :            :  * Thin C++ wrapper around evhttp_request.
#      55                 :            :  */
#      56                 :            : class HTTPRequest
#      57                 :            : {
#      58                 :            : private:
#      59                 :            :     struct evhttp_request* req;
#      60                 :            :     bool replySent;
#      61                 :            : 
#      62                 :            : public:
#      63                 :            :     explicit HTTPRequest(struct evhttp_request* req, bool replySent = false);
#      64                 :            :     ~HTTPRequest();
#      65                 :            : 
#      66                 :            :     enum RequestMethod {
#      67                 :            :         UNKNOWN,
#      68                 :            :         GET,
#      69                 :            :         POST,
#      70                 :            :         HEAD,
#      71                 :            :         PUT
#      72                 :            :     };
#      73                 :            : 
#      74                 :            :     /** Get requested URI.
#      75                 :            :      */
#      76                 :            :     std::string GetURI() const;
#      77                 :            : 
#      78                 :            :     /** Get CService (address:ip) for the origin of the http request.
#      79                 :            :      */
#      80                 :            :     CService GetPeer() const;
#      81                 :            : 
#      82                 :            :     /** Get request method.
#      83                 :            :      */
#      84                 :            :     RequestMethod GetRequestMethod() const;
#      85                 :            : 
#      86                 :            :     /**
#      87                 :            :      * Get the request header specified by hdr, or an empty string.
#      88                 :            :      * Return a pair (isPresent,string).
#      89                 :            :      */
#      90                 :            :     std::pair<bool, std::string> GetHeader(const std::string& hdr) const;
#      91                 :            : 
#      92                 :            :     /**
#      93                 :            :      * Read request body.
#      94                 :            :      *
#      95                 :            :      * @note As this consumes the underlying buffer, call this only once.
#      96                 :            :      * Repeated calls will return an empty string.
#      97                 :            :      */
#      98                 :            :     std::string ReadBody();
#      99                 :            : 
#     100                 :            :     /**
#     101                 :            :      * Write output header.
#     102                 :            :      *
#     103                 :            :      * @note call this before calling WriteErrorReply or Reply.
#     104                 :            :      */
#     105                 :            :     void WriteHeader(const std::string& hdr, const std::string& value);
#     106                 :            : 
#     107                 :            :     /**
#     108                 :            :      * Write HTTP reply.
#     109                 :            :      * nStatus is the HTTP status code to send.
#     110                 :            :      * strReply is the body of the reply. Keep it empty to send a standard message.
#     111                 :            :      *
#     112                 :            :      * @note Can be called only once. As this will give the request back to the
#     113                 :            :      * main thread, do not call any other HTTPRequest methods after calling this.
#     114                 :            :      */
#     115                 :            :     void WriteReply(int nStatus, const std::string& strReply = "");
#     116                 :            : };
#     117                 :            : 
#     118                 :            : /** Event handler closure.
#     119                 :            :  */
#     120                 :            : class HTTPClosure
#     121                 :            : {
#     122                 :            : public:
#     123                 :            :     virtual void operator()() = 0;
#     124                 :     111282 :     virtual ~HTTPClosure() {}
#     125                 :            : };
#     126                 :            : 
#     127                 :            : /** Event class. This can be used either as a cross-thread trigger or as a timer.
#     128                 :            :  */
#     129                 :            : class HTTPEvent
#     130                 :            : {
#     131                 :            : public:
#     132                 :            :     /** Create a new event.
#     133                 :            :      * deleteWhenTriggered deletes this event object after the event is triggered (and the handler called)
#     134                 :            :      * handler is the handler to call when the event is triggered.
#     135                 :            :      */
#     136                 :            :     HTTPEvent(struct event_base* base, bool deleteWhenTriggered, const std::function<void()>& handler);
#     137                 :            :     ~HTTPEvent();
#     138                 :            : 
#     139                 :            :     /** Trigger the event. If tv is 0, trigger it immediately. Otherwise trigger it after
#     140                 :            :      * the given time has elapsed.
#     141                 :            :      */
#     142                 :            :     void trigger(struct timeval* tv);
#     143                 :            : 
#     144                 :            :     bool deleteWhenTriggered;
#     145                 :            :     std::function<void()> handler;
#     146                 :            : private:
#     147                 :            :     struct event* ev;
#     148                 :            : };
#     149                 :            : 
#     150                 :            : #endif // BITCOIN_HTTPSERVER_H

Generated by: LCOV version 1.14