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@126:62edacc9f14d, 2019-02-25 (annotated)

Committer:
andrewboyson
Date:
Mon Feb 25 20:59:19 2019 +0000
Revision:
126:62edacc9f14d
Parent:
117:a725e5ad4fad
Child:
129:9c57197fb698
Added ability to post content plus content length and content start .

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 61:aad055f1b0d1 1 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 2
andrewboyson 54:84ef2b29cf7e 3 #include "http.h"
andrewboyson 54:84ef2b29cf7e 4 #include "tcpbuf.h"
andrewboyson 54:84ef2b29cf7e 5 #include "action.h"
andrewboyson 54:84ef2b29cf7e 6 #include "net.h"
andrewboyson 54:84ef2b29cf7e 7 #include "log.h"
andrewboyson 75:603b10404183 8 #include "led.h"
andrewboyson 98:b977424ec7f7 9 #include "fault.h"
andrewboyson 54:84ef2b29cf7e 10
andrewboyson 54:84ef2b29cf7e 11 bool HttpTrace = false;
andrewboyson 54:84ef2b29cf7e 12
andrewboyson 126:62edacc9f14d 13 //Plumb into these from your html server
andrewboyson 126:62edacc9f14d 14 int (*HttpRequestFunction)(char *pPath, char *pLastModified);
andrewboyson 126:62edacc9f14d 15 void (*HttpGetFunction )(int todo, char *pQuery);
andrewboyson 126:62edacc9f14d 16 bool (*HttpPostFunction )(int todo, int contentLength, int contentStart, int size, char* pRequestStream, uint32_t positionInRequestStream);
andrewboyson 126:62edacc9f14d 17 void (*HttpReplyFunction )(int todo);
andrewboyson 54:84ef2b29cf7e 18
andrewboyson 126:62edacc9f14d 19 void HttpHandleRequest(int size, char* pRequestStream, uint32_t positionInRequestStream, int* pToDo, bool* pPostComplete)
andrewboyson 54:84ef2b29cf7e 20 {
andrewboyson 98:b977424ec7f7 21 int lastFaultPoint = FaultPoint;
andrewboyson 98:b977424ec7f7 22 FaultPoint = FAULT_POINT_HttpHandleRequest;
andrewboyson 98:b977424ec7f7 23
andrewboyson 54:84ef2b29cf7e 24 if (HttpTrace)
andrewboyson 54:84ef2b29cf7e 25 {
andrewboyson 79:f50e02fb5c94 26 LogF("HTTP <<< %d (%u)\r\n", size, positionInRequestStream);
andrewboyson 54:84ef2b29cf7e 27 }
andrewboyson 54:84ef2b29cf7e 28 //Handle request for the first packet of data received but leave todo the same after that.
andrewboyson 126:62edacc9f14d 29 int contentLength = 0;
andrewboyson 126:62edacc9f14d 30 int contentStart = 0;
andrewboyson 75:603b10404183 31 if (size && positionInRequestStream == 0)
andrewboyson 54:84ef2b29cf7e 32 {
andrewboyson 126:62edacc9f14d 33 //Read the headers
andrewboyson 54:84ef2b29cf7e 34 char* pMethod;
andrewboyson 54:84ef2b29cf7e 35 char* pPath;
andrewboyson 54:84ef2b29cf7e 36 char* pQuery;
andrewboyson 54:84ef2b29cf7e 37 char* pLastModified;
andrewboyson 108:66f17386ffd4 38 FaultPoint = FAULT_POINT_HttpReadRequest;
andrewboyson 126:62edacc9f14d 39 contentStart = HttpRequestRead(pRequestStream, size, &pMethod, &pPath, &pQuery, &pLastModified, &contentLength);
andrewboyson 126:62edacc9f14d 40
andrewboyson 126:62edacc9f14d 41 //Ask the http server what to do
andrewboyson 108:66f17386ffd4 42 FaultPoint = FAULT_POINT_HttpRequestFunction;
andrewboyson 126:62edacc9f14d 43 *pToDo = HttpRequestFunction(pPath, pLastModified);
andrewboyson 126:62edacc9f14d 44
andrewboyson 126:62edacc9f14d 45 //Handle the query
andrewboyson 126:62edacc9f14d 46 FaultPoint = FAULT_POINT_HttpGetFunction;
andrewboyson 126:62edacc9f14d 47 HttpGetFunction(*pToDo, pQuery);
andrewboyson 54:84ef2b29cf7e 48 }
andrewboyson 126:62edacc9f14d 49
andrewboyson 126:62edacc9f14d 50 //Do the upload of anything that needs it
andrewboyson 126:62edacc9f14d 51 FaultPoint = FAULT_POINT_HttpPostFunction;
andrewboyson 126:62edacc9f14d 52 if (!*pPostComplete) *pPostComplete = HttpPostFunction(*pToDo, contentLength, contentStart, size, pRequestStream, positionInRequestStream);
andrewboyson 126:62edacc9f14d 53
andrewboyson 126:62edacc9f14d 54 //Tidy up
andrewboyson 98:b977424ec7f7 55 FaultPoint = lastFaultPoint;
andrewboyson 71:736a5747ade1 56 }
andrewboyson 79:f50e02fb5c94 57 void HttpSendReply(int* pSize, char* pReplyStream, uint32_t positionInReplyStream, uint16_t mss, int todo)
andrewboyson 71:736a5747ade1 58 {
andrewboyson 54:84ef2b29cf7e 59 TcpBufStart(positionInReplyStream, mss, pReplyStream);
andrewboyson 71:736a5747ade1 60 HttpReplyFunction(todo);
andrewboyson 54:84ef2b29cf7e 61 *pSize = TcpBufLength();
andrewboyson 55:e64b8b47a2b6 62
andrewboyson 55:e64b8b47a2b6 63 if (HttpTrace)
andrewboyson 55:e64b8b47a2b6 64 {
andrewboyson 55:e64b8b47a2b6 65 LogF("HTTP >>> %d (%d)\r\n", *pSize, positionInReplyStream);
andrewboyson 55:e64b8b47a2b6 66 }
andrewboyson 71:736a5747ade1 67 }