HttpClient.h

00001 #ifndef __HTTP_CLIENT_H__
00002 #define __HTTP_CLIENT_H__
00003 
00004 #include "mbed.h"
00005 #include <string>
00006 #include <map>
00007 #include "TCPSocketConnection.h"
00008 
00009 enum content_type{
00010     CONTENT_TYPE_TEXT,
00011     CONTENT_TYPE_APPLICATION,
00012     CONTENT_TYPE_IMAGE,
00013     CONTENT_TYPE_MESSAGE
00014 };
00015 
00016 
00017 typedef struct {
00018     int http_response;
00019     std::string http_response_text;
00020     std::map<std::string, std::string> http_info;
00021 } HeaderInfo;
00022 
00023 class HttpClient
00024 {
00025     public:
00026         HttpClient(const char * hostname);
00027         int get(const char * url, char * buffer, size_t buf_len, HeaderInfo & hinfo, int timeout = 5000);
00028     
00029     private:
00030         std::string build_http_headers(std::string type, std::string path);
00031         int parse_url(const char* url, 
00032             char* scheme, 
00033             size_t scheme_len, 
00034             char* host, 
00035             size_t host_len, 
00036             uint16_t* port, 
00037             char* path, size_t max_path);
00038             
00039             int parse_headers(std::string header_line, HeaderInfo & hinfo, int line);
00040             
00041         int read_data(HeaderInfo & hinfo, char * buffer, size_t buf_len);
00042 
00043         int send(char* buf, size_t len);
00044         // Receive untill a char term is received
00045         int recv_until(char * buf, size_t len, char term);
00046             
00047         std::string _hostname; // The name of this local host
00048         int _timeout;
00049         TCPSocketConnection m_sock;
00050         int _httpResponse;
00051 };
00052 
00053 #endif
00054