esp-open-rtos/examples/esphttpd/cgi-test.c

91 lines
2.4 KiB
C
Raw Normal View History

/*
Cgi routines as used by the tests in the html/test subdirectory.
*/
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* Jeroen Domburg <jeroen@spritesmods.com> wrote this file. As long as you retain
* this notice you can do whatever you want with this stuff. If we meet some day,
* and you think this stuff is worth it, you can buy me a beer in return.
* ----------------------------------------------------------------------------
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <espressif/esp_common.h>
#include "cgi-test.h"
typedef struct {
int len;
int sendPos;
} TestbedState;
int ICACHE_FLASH_ATTR cgiTestbed(HttpdConnData *connData) {
char buff[1024];
int first=0;
int l, x;
TestbedState *state=(TestbedState*)connData->cgiData;
if (connData->conn==NULL) {
//Connection aborted. Clean up.
if (state) free(state);
return HTTPD_CGI_DONE;
}
if (state==NULL) {
//First call
state=malloc(sizeof(TestbedState));
memset(state, 0, sizeof(state));
connData->cgiData=state;
first=1;
}
if (connData->requestType==HTTPD_METHOD_GET) {
if (first) {
httpdStartResponse(connData, 200);
httpdHeader(connData, "content-type", "application/data");
httpdEndHeaders(connData);
l=httpdFindArg(connData->getArgs, "len", buff, sizeof(buff));
state->len=1024;
if (l!=-1) state->len=atoi(buff);
state->sendPos=0;
return HTTPD_CGI_MORE;
} else {
l=sizeof(buff);
if (l>(state->len-state->sendPos)) l=(state->len-state->sendPos);
//Fill with semi-random data
for (x=0; x<l; x++) buff[x]=((x^(state->sendPos>>10))&0x1F)+'0';
httpdSend(connData, buff, l);
state->sendPos+=l;
printf("Test: Uploaded %d/%d bytes\n", state->sendPos, state->len);
if (state->len<=state->sendPos) {
if (state) free(state);
return HTTPD_CGI_DONE;
} else {
return HTTPD_CGI_MORE;
}
}
}
if (connData->requestType==HTTPD_METHOD_POST) {
if (connData->post->len!=connData->post->received) {
//Still receiving data. Ignore this.
printf("Test: got %d/%d bytes\n", connData->post->received, connData->post->len);
return HTTPD_CGI_MORE;
} else {
httpdStartResponse(connData, 200);
httpdHeader(connData, "content-type", "text/plain");
httpdEndHeaders(connData);
l=sprintf(buff, "%d", connData->post->received);
httpdSend(connData, buff, l);
return HTTPD_CGI_DONE;
}
}
return HTTPD_CGI_DONE;
}