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Code

HTTP Client move buffer (1460 Byte) from stack to heap.

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This commit is contained in:
Markus Sattler 2015-12-16 00:32:17 +01:00
parent 3940b35491
commit b8769bf5eb
3 changed files with 63 additions and 47 deletions
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1
libraries/ESP8266HTTPClient/examples/ReuseConnection/ReuseConnection.ino
View File

@ -60,7 +60,6 @@ void loop() {
}
http.end();
}
delay(1000);

31
libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
View File

@ -30,7 +30,6 @@
#include "ESP8266HTTPClient.h"
/**
* constractor
*/
@ -336,7 +335,7 @@ int HTTPClient::sendRequest(const char * type, Stream * stream, size_t size) {
}
// create buffer for read
uint8_t buff[1460] = { 0 };
uint8_t * buff = (uint8_t *) malloc(HTTP_TCP_BUFFER_SIZE);
int len = size;
int bytesWritten = 0;
@ -345,6 +344,7 @@ int HTTPClient::sendRequest(const char * type, Stream * stream, size_t size) {
len = -1;
}
if(buff) {
// read all data from stream and send it to server
while(connected() && stream->available() && (len > 0 || len == -1)) {
@ -352,7 +352,7 @@ int HTTPClient::sendRequest(const char * type, Stream * stream, size_t size) {
size_t s = stream->available();
if(s) {
int c = stream->readBytes(buff, ((s > sizeof(buff)) ? sizeof(buff) : s));
int c = stream->readBytes(buff, ((s > HTTP_TCP_BUFFER_SIZE) ? HTTP_TCP_BUFFER_SIZE : s));
// write it to Stream
bytesWritten += _tcp->write((const uint8_t *) buff, c);
@ -368,12 +368,17 @@ int HTTPClient::sendRequest(const char * type, Stream * stream, size_t size) {
}
if(size && (int) size != bytesWritten) {
DEBUG_HTTPCLIENT("[HTTP-Client][sendRequest] Stream payload bytesWritten %d and size %d mismatch!.\n", bytesWritten, _size);
DEBUG_HTTPCLIENT("[HTTP-Client][sendRequest] ERROR SEND PAYLOAD FAILED!");
DEBUG_HTTPCLIENT("[HTTP-Client][sendRequest] Stream payload bytesWritten %d and size %d mismatch!.\n", bytesWritten, _size); DEBUG_HTTPCLIENT("[HTTP-Client][sendRequest] ERROR SEND PAYLOAD FAILED!");
free(buff);
return HTTPC_ERROR_SEND_PAYLOAD_FAILED;
} else {
DEBUG_HTTPCLIENT("[HTTP-Client][sendRequest] Stream payload written: %d\n", bytesWritten);
}
free(buff);
} else {
DEBUG_HTTPCLIENT("[HTTP-Client][writeToStream] too less ram! need " HTTP_TCP_BUFFER_SIZE);
return HTTPC_ERROR_TOO_LESS_RAM;
}
// handle Server Response (Header)
return handleHeaderResponse();
@ -434,9 +439,11 @@ int HTTPClient::writeToStream(Stream * stream) {
int len = _size;
int bytesWritten = 0;
// create buffer for read
uint8_t buff[1460] = { 0 };
// create buffer for read
uint8_t * buff = (uint8_t *) malloc(HTTP_TCP_BUFFER_SIZE);
if(buff) {
// read all data from server
while(connected() && (len > 0 || len == -1)) {
@ -444,7 +451,7 @@ int HTTPClient::writeToStream(Stream * stream) {
size_t size = _tcp->available();
if(size) {
int c = _tcp->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
int c = _tcp->readBytes(buff, ((size > HTTP_TCP_BUFFER_SIZE) ? HTTP_TCP_BUFFER_SIZE : size));
// write it to Stream
bytesWritten += stream->write(buff, c);
@ -459,12 +466,17 @@ int HTTPClient::writeToStream(Stream * stream) {
}
}
free(buff);
DEBUG_HTTPCLIENT("[HTTP-Client][writeToStream] connection closed or file end (written: %d).\n", bytesWritten);
if(_size && _size != bytesWritten) {
DEBUG_HTTPCLIENT("[HTTP-Client][writeToStream] bytesWritten %d and size %d mismatch!.\n", bytesWritten, _size);
}
} else {
DEBUG_HTTPCLIENT("[HTTP-Client][writeToStream] too less ram! need " HTTP_TCP_BUFFER_SIZE);
}
end();
return bytesWritten;
}
@ -509,12 +521,13 @@ String HTTPClient::errorToString(int error) {
return String("no stream");
case HTTPC_ERROR_NO_HTTP_SERVER:
return String("no HTTP server");
case HTTPC_ERROR_TOO_LESS_RAM:
return String("too less ram");
default:
return String();
}
}
/**
* adds Header to the request
* @param name

4
libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.h
View File

@ -41,6 +41,10 @@
#define HTTPC_ERROR_CONNECTION_LOST (-5)
#define HTTPC_ERROR_NO_STREAM (-6)
#define HTTPC_ERROR_NO_HTTP_SERVER (-7)
#define HTTPC_ERROR_TOO_LESS_RAM (-8)
/// size for the stream handling
#define HTTP_TCP_BUFFER_SIZE (1460)
/// HTTP codes see RFC7231
typedef enum {