Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

tcp/http/http.c

Committer:
andrewboyson
Date:
2019-05-12
Revision:
144:6bd5c54efc7d
Parent:
142:a8c0890a58d1
Child:
145:206bf0d073c7

File content as of revision 144:6bd5c54efc7d:

#include <stdbool.h>

#include   "http.h"
#include "tcpbuf.h"
#include "action.h"
#include    "net.h"
#include    "log.h"
#include    "led.h"
#include "restart.h"
#include "mstimer.h"

bool HttpTrace = false;

//Plumb into these from your html server
void (*HttpRequestFunction)(int size, char* pRequestStream, uint32_t positionInRequestStream, char* pState);
int  (*HttpReplyFunction  )(char* pState);

void HttpHandleRequest(int size, char* pRequestStream, uint32_t positionInRequestStream, char* pState)
{
    int lastRestartPoint = RestartPoint;
    RestartPoint = FAULT_POINT_HttpHandleRequest;
    
    if (HttpTrace)
    {
        LogF("HTTP  <<< %d (%u)\r\n", size, positionInRequestStream);
    }
    
    HttpRequestFunction(size, pRequestStream, positionInRequestStream, pState);
    
    RestartPoint = lastRestartPoint;
}
int HttpSendReply(int* pSize, char* pReplyStream, uint32_t positionInReplyStream, uint16_t mss, char* pState)
{
    TcpBufStart(positionInReplyStream, mss, pReplyStream);
    int status = HttpReplyFunction(pState); //0: not started; +1: started; -1: wait
    if (status ==  0) return TCP_APP_NOT_STARTED;
    if (status == -1) return TCP_APP_STARTED;
    
    *pSize = TcpBufLength();

    if (HttpTrace)
    {
        LogF("HTTP  >>> %d (%d)\r\n", *pSize, positionInReplyStream);
    }
    return *pSize < mss ? TCP_APP_FINISHED : TCP_APP_STARTED;
}