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HTTPClient, HTTPUpdate: save some RAM by moving strings into flash

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This commit is contained in:
Ivan Grokhotkov
2016-04-05 02:21:42 +03:00
parent bf7f33d918
commit a455f22587
3 changed files with 50 additions and 46 deletions
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54
libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp
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@ -256,7 +256,7 @@ void HTTPClient::setReuse(bool reuse)
* set User Agent
* @param userAgent const char *
*/
void HTTPClient::setUserAgent(const char * userAgent)
void HTTPClient::setUserAgent(const String& userAgent)
{
_userAgent = userAgent;
}
@ -359,7 +359,7 @@ int HTTPClient::sendRequest(const char * type, uint8_t * payload, size_t size)
}
if(payload && size > 0) {
addHeader("Content-Length", String(size));
addHeader(F("Content-Length"), String(size));
}
// send Header
@ -644,8 +644,8 @@ String HTTPClient::getString(void)
if(_size) {
// try to reserve needed memmory
if(!sstring.reserve((_size + 1))) {
DEBUG_HTTPCLIENT("[HTTP-Client][getString] too less memory to reserve as string! need: %d\n", (_size + 1));
return String("--too less memory--");
DEBUG_HTTPCLIENT("[HTTP-Client][getString] not enough memory to reserve a string! need: %d\n", (_size + 1));
return "";
}
}
@ -662,27 +662,27 @@ String HTTPClient::errorToString(int error)
{
switch(error) {
case HTTPC_ERROR_CONNECTION_REFUSED:
return String("connection refused");
return F("connection refused");
case HTTPC_ERROR_SEND_HEADER_FAILED:
return String("send header failed");
return F("send header failed");
case HTTPC_ERROR_SEND_PAYLOAD_FAILED:
return String("send payload failed");
return F("send payload failed");
case HTTPC_ERROR_NOT_CONNECTED:
return String("not connected");
return F("not connected");
case HTTPC_ERROR_CONNECTION_LOST:
return String("connection lost");
return F("connection lost");
case HTTPC_ERROR_NO_STREAM:
return String("no stream");
return F("no stream");
case HTTPC_ERROR_NO_HTTP_SERVER:
return String("no HTTP server");
return F("no HTTP server");
case HTTPC_ERROR_TOO_LESS_RAM:
return String("too less ram");
return F("too less ram");
case HTTPC_ERROR_ENCODING:
return String("Transfer-Encoding not supported");
return F("Transfer-Encoding not supported");
case HTTPC_ERROR_STREAM_WRITE:
return String("Stream write error");
return F("Stream write error");
case HTTPC_ERROR_READ_TIMEOUT:
return String("read Timeout");
return F("read Timeout");
default:
return String();
}
@ -698,7 +698,10 @@ void HTTPClient::addHeader(const String& name, const String& value, bool first)
{
// not allow set of Header handled by code
if(!name.equalsIgnoreCase("Connection") && !name.equalsIgnoreCase("User-Agent") && !name.equalsIgnoreCase("Host") && !(_base64Authorization.length() && name.equalsIgnoreCase("Authorization"))) {
if(!name.equalsIgnoreCase(F("Connection")) &&
!name.equalsIgnoreCase(F("User-Agent")) &&
!name.equalsIgnoreCase(F("Host")) &&
!(name.equalsIgnoreCase(F("Authorization")) && _base64Authorization.length())){
String headerLine = name;
headerLine += ": ";
headerLine += value;
@ -821,7 +824,7 @@ bool HTTPClient::sendHeader(const char * type)
return false;
}
String header = String(type) + " " + _uri + " HTTP/1.";
String header = String(type) + " " + _uri + F(" HTTP/1.");
if(_useHTTP10) {
header += "0";
@ -829,24 +832,25 @@ bool HTTPClient::sendHeader(const char * type)
header += "1";
}
header += "\r\n"
"Host: " + _host + "\r\n"
"User-Agent: " + _userAgent + "\r\n"
"Connection: ";
header += String(F("\r\nHost: ")) + _host +
F("\r\nUser-Agent: ") + _userAgent +
F("\r\nConnection: ");
if(_reuse) {
header += "keep-alive";
header += F("keep-alive");
} else {
header += "close";
header += F("close");
}
header += "\r\n";
if(!_useHTTP10) {
header += "Accept-Encoding: identity;q=1,chunked;q=0.1,*;q=0\r\n";
header += F("Accept-Encoding: identity;q=1,chunked;q=0.1,*;q=0\r\n");
}
if(_base64Authorization.length()) {
header += "Authorization: Basic " + _base64Authorization + "\r\n";
header += F("Authorization: Basic ");
header += _base64Authorization;
header += "\r\n";
}
header += _headers + "\r\n";

2
libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.h
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@ -145,7 +145,7 @@ public:
bool connected(void);
void setReuse(bool reuse); /// keep-alive
void setUserAgent(const char * userAgent);
void setUserAgent(const String& userAgent);
void setAuthorization(const char * user, const char * password);
void setAuthorization(const char * auth);
void setTimeout(uint16_t timeout);