0ad3017df7
1. move btif and A2DP source code from project directory to bluetooth directory; 2. some updates of audio source code;
132 lines
4.5 KiB
C
132 lines
4.5 KiB
C
#ifndef HTTPD_H
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#define HTTPD_H
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#include "httpd-com.h"
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#include "esp_types.h"
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#define HTTPDVER "0.4"
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#define HTTPD_CGI_MORE 0
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#define HTTPD_CGI_DONE 1
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#define HTTPD_CGI_NOTFOUND 2
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#define HTTPD_CGI_AUTHENTICATED 3
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#define HTTPD_METHOD_GET 1
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#define HTTPD_METHOD_POST 2
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#define HTTPD_METHOD_PUT 3
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#define HTTPD_MAX_CONNECTIONS 2
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#define HTTPD_STACKSIZE (4*1024)
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#define ESP32
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typedef struct HttpdPriv HttpdPriv;
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typedef struct HttpdConnData HttpdConnData;
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typedef struct HttpdPostData HttpdPostData;
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typedef int (* cgiSendCallback)(HttpdConnData *connData);
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typedef int (* cgiRecvHandler)(HttpdConnData *connData, char *data, int len);
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//Max amount of simultaneous connections
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#define MAX_CONN 8
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//Max length of request head. This is statically allocated for each connection.
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#define MAX_HEAD_LEN 1024
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//Max post buffer len. This is dynamically malloc'ed if needed.
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#define MAX_POST 1024
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//Max send buffer len. This is allocated on the stack.
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#define MAX_SENDBUFF_LEN 1460
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//If some data can't be sent because the underlaying socket doesn't accept the data (like the nonos
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//layer is prone to do), we put it in a backlog that is dynamically malloc'ed. This defines the max
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//size of the backlog.
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#define MAX_BACKLOG_SIZE (4*1024)
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typedef struct HttpSendBacklogItem HttpSendBacklogItem;
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struct HttpSendBacklogItem {
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int len;
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HttpSendBacklogItem *next;
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char data[];
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};
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//Flags
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#define HFL_HTTP11 (1<<0)
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#define HFL_CHUNKED (0<<1)
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#define HFL_SENDINGBODY (1<<2)
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#define HFL_DISCONAFTERSENT (1<<3)
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#define HFL_ONLYRESPONSEOK (1<<4)
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//Private data for http connection
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struct HttpdPriv {
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char head[MAX_HEAD_LEN];
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int headPos;
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char *sendBuff;
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int sendBuffLen;
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char *chunkHdr;
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HttpSendBacklogItem *sendBacklog;
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int sendBacklogSize;
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int flags;
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};
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//A struct describing a http connection. This gets passed to cgi functions.
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struct HttpdConnData {
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ConnTypePtr conn; // The TCP connection. Exact type depends on the platform.
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char requestType; // One of the HTTPD_METHOD_* values
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char *url; // The URL requested, without hostname or GET arguments
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char *getArgs; // The GET arguments for this request, if any.
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const void *cgiArg; // Argument to the CGI function, as stated as the 3rd argument of
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// the builtInUrls entry that referred to the CGI function.
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void *cgiData; // Opaque data pointer for the CGI function
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char *hostName; // Host name field of request
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HttpdPriv *priv; // Opaque pointer to data for internal httpd housekeeping
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cgiSendCallback cgi; // CGI function pointer
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cgiRecvHandler recvHdl; // Handler for data received after headers, if any
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HttpdPostData *post; // POST data structure
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int remote_port; // Remote TCP port
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uint8_t remote_ip[4]; // IP address of client
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uint8_t slot; // Slot ID
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};
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//A struct describing the POST data sent inside the http connection. This is used by the CGI functions
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struct HttpdPostData {
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int len; // POST Content-Length
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int buffSize; // The maximum length of the post buffer
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int buffLen; // The amount of bytes in the current post buffer
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int received; // The total amount of bytes received so far
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char *buff; // Actual POST data buffer
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char *multipartBoundary;
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};
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//A struct describing an url. This is the main struct that's used to send different URL requests to
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//different routines.
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typedef struct {
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const char *url;
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cgiSendCallback cgiCb;
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const void *cgiArg;
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} HttpdBuiltInUrl;
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int cgiRedirect(HttpdConnData *connData);
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int cgiRedirectToHostname(HttpdConnData *connData);
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int cgiRedirectApClientToHostname(HttpdConnData *connData);
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void httpdRedirect(HttpdConnData *conn, char *newUrl);
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int httpdUrlDecode(char *val, int valLen, char *ret, int retLen);
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int httpdFindArg(char *line, char *arg, char *buff, int buffLen);
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void httpdInit(HttpdBuiltInUrl *fixedUrls, int port);
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const char *httpdGetMimetype(char *url);
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void httpdDisableTransferEncoding(HttpdConnData *conn);
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void httpdStartResponse(HttpdConnData *conn, int code);
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void httpdHeader(HttpdConnData *conn, const char *field, const char *val);
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void httpdEndHeaders(HttpdConnData *conn);
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int httpdGetHeader(HttpdConnData *conn, char *header, char *ret, int retLen);
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int httpdSend(HttpdConnData *conn, const char *data, int len);
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void httpdFlushSendBuffer(HttpdConnData *conn);
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//Platform dependent code should call these.
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void httpdSentCb(ConnTypePtr conn, char *remIp, int remPort);
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void httpdRecvCb(ConnTypePtr conn, char *remIp, int remPort, char *data, unsigned short len);
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void httpdDisconCb(ConnTypePtr conn, char *remIp, int remPort);
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int httpdConnectCb(ConnTypePtr conn, char *remIp, int remPort);
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#endif
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