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Merge pull request #753 from martinayotte/esp8266

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add ESP8266WebServer::sendContent_P and ESP8266WebServer::send_P with contentLength
This commit is contained in:
Ivan Grokhotkov
2015-09-18 09:54:04 +03:00
parent 5387b2286e 5cb086bc05
commit e0da5a284f
4 changed files with 49 additions and 19 deletions
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33
libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
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@ -159,11 +159,22 @@ void ESP8266WebServer::send_P(int code, PGM_P content_type, PGM_P content) {
}
String header;
_prepareHeader(header, code, String(FPSTR(content_type)).c_str(), contentLength);
char type[64];
memccpy_P((void*)type, (PGM_VOID_P)content_type, 0, sizeof(type));
_prepareHeader(header, code, (const char* )type, contentLength);
sendContent(header);
sendContent_P(content);
}
void ESP8266WebServer::send_P(int code, PGM_P content_type, PGM_P content, size_t contentLength) {
String header;
char type[64];
memccpy_P((void*)type, (PGM_VOID_P)content_type, 0, sizeof(type));
_prepareHeader(header, code, (const char* )type, contentLength);
sendContent(header);
sendContent_P(content, contentLength);
}
void ESP8266WebServer::send(int code, char* content_type, const String& content) {
send(code, (const char*)content_type, content);
}
@ -216,6 +227,26 @@ void ESP8266WebServer::sendContent_P(PGM_P content) {
}
}
void ESP8266WebServer::sendContent_P(PGM_P content, size_t size) {
char contentUnit[HTTP_DOWNLOAD_UNIT_SIZE + 1];
contentUnit[HTTP_DOWNLOAD_UNIT_SIZE] = '\0';
size_t remaining_size = size;
while (content != NULL && remaining_size > 0) {
size_t contentUnitLen = HTTP_DOWNLOAD_UNIT_SIZE;
if (remaining_size < HTTP_DOWNLOAD_UNIT_SIZE) contentUnitLen = remaining_size;
// due to the memcpy signature, lots of casts are needed
memcpy_P((void*)contentUnit, (PGM_VOID_P)content, contentUnitLen);
content += contentUnitLen;
remaining_size -= contentUnitLen;
// write is so overloaded, had to use the cast to get it pick the right one
_currentClient.write((const char*)contentUnit, contentUnitLen);
}
}
String ESP8266WebServer::arg(const char* name) {
for (int i = 0; i < _currentArgCount; ++i) {
if (_currentArgs[i].key == name)

2
libraries/ESP8266WebServer/src/ESP8266WebServer.h
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@ -90,11 +90,13 @@ public:
void send(int code, char* content_type, const String& content);
void send(int code, const String& content_type, const String& content);
void send_P(int code, PGM_P content_type, PGM_P content);
void send_P(int code, PGM_P content_type, PGM_P content, size_t contentLength);
void setContentLength(size_t contentLength) { _contentLength = contentLength; }
void sendHeader(const String& name, const String& value, bool first = false);
void sendContent(const String& content);
void sendContent_P(PGM_P content);
void sendContent_P(PGM_P content, size_t size);
template<typename T> size_t streamFile(T &file, const String& contentType){
setContentLength(file.size());