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sandeepmistrysandeepmistry
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Add optional content type, content length and body parameters to post, put, and startRequest
Also, flush client RX data in start request, if state is ready body.
1 parent 4ab54b0 commit c3023b2

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7 files changed

+134
-53
lines changed

7 files changed

+134
-53
lines changed

‎HttpClient.cpp‎

Lines changed: 90 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -59,17 +59,18 @@ void HttpClient::beginRequest()
5959
iState = eRequestStarted;
6060
}
6161

62-
int HttpClient::startRequest(const char* aURLPath, const char* aHttpMethod)
62+
int HttpClient::startRequest(const char* aURLPath, const char* aHttpMethod,
63+
const char* aContentType, int aContentLength, const byte aBody[])
6364
{
64-
tHttpState initialState = iState;
65-
66-
if (!iConnectionClose)
65+
if (iState == eReadingBody)
6766
{
6867
flushClientRx();
6968

7069
resetState();
7170
}
7271

72+
tHttpState initialState = iState;
73+
7374
if ((eIdle != iState) && (eRequestStarted != iState))
7475
{
7576
return HTTP_ERROR_API;
@@ -104,12 +105,31 @@ int HttpClient::startRequest(const char* aURLPath, const char* aHttpMethod)
104105

105106
// Now we're connected, send the first part of the request
106107
int ret = sendInitialHeaders(aURLPath, aHttpMethod);
107-
if ((initialState == eIdle) && (HTTP_SUCCESS == ret))
108+
109+
if (HTTP_SUCCESS == ret)
108110
{
109-
// This was a simple version of the API, so terminate the headers now
110-
finishHeaders();
111+
if (aContentType)
112+
{
113+
sendHeader(HTTP_HEADER_CONTENT_TYPE, aContentType);
114+
}
115+
116+
if (aContentLength > 0)
117+
{
118+
sendHeader(HTTP_HEADER_CONTENT_LENGTH, aContentLength);
119+
}
120+
121+
if ((initialState == eIdle))
122+
{
123+
// This was a simple version of the API, so terminate the headers now
124+
finishHeaders();
125+
126+
if (aBody && aContentLength > 0)
127+
{
128+
write(aBody, aContentLength);
129+
}
130+
}
131+
// else we'll call it in endRequest or in the first call to print, etc.
111132
}
112-
// else we'll call it in endRequest or in the first call to print, etc.
113133

114134
return ret;
115135
}
@@ -231,12 +251,9 @@ void HttpClient::finishHeaders()
231251

232252
void HttpClient::flushClientRx()
233253
{
234-
if (iClient->connected())
254+
while (iClient->available())
235255
{
236-
while (iClient->available())
237-
{
238-
iClient->read();
239-
}
256+
iClient->read();
240257
}
241258
}
242259

@@ -250,6 +267,66 @@ void HttpClient::endRequest()
250267
// else the end of headers has already been sent, so nothing to do here
251268
}
252269

270+
int HttpClient::get(const char* aURLPath)
271+
{
272+
return startRequest(aURLPath, HTTP_METHOD_GET);
273+
}
274+
275+
int HttpClient::get(const String& aURLPath)
276+
{
277+
return get(aURLPath.c_str());
278+
}
279+
280+
int HttpClient::post(const char* aURLPath)
281+
{
282+
return startRequest(aURLPath, HTTP_METHOD_POST);
283+
}
284+
285+
int HttpClient::post(const String& aURLPath)
286+
{
287+
return post(aURLPath.c_str());
288+
}
289+
290+
int HttpClient::post(const char* aURLPath, const char* aContentType, const char* aBody)
291+
{
292+
return post(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
293+
}
294+
295+
int HttpClient::post(const String& aURLPath, const String& aContentType, const String& aBody)
296+
{
297+
return post(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
298+
}
299+
300+
int HttpClient::post(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
301+
{
302+
return startRequest(aURLPath, HTTP_METHOD_POST, aContentType, aContentLength, aBody);
303+
}
304+
305+
int HttpClient::put(const char* aURLPath)
306+
{
307+
return startRequest(aURLPath, HTTP_METHOD_PUT);
308+
}
309+
310+
int HttpClient::put(const String& aURLPath)
311+
{
312+
return put(aURLPath.c_str());
313+
}
314+
315+
int HttpClient::put(const char* aURLPath, const char* aContentType, const char* aBody)
316+
{
317+
return put(aURLPath, aContentType, strlen(aBody), (const byte*)aBody);
318+
}
319+
320+
int HttpClient::put(const String& aURLPath, const String& aContentType, const String& aBody)
321+
{
322+
return put(aURLPath.c_str(), aContentType.c_str(), aBody.length(), (const byte*)aBody.c_str());
323+
}
324+
325+
int HttpClient::put(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[])
326+
{
327+
return startRequest(aURLPath, HTTP_METHOD_PUT, aContentType, aContentLength, aBody);
328+
}
329+
253330
int HttpClient::responseStatusCode()
254331
{
255332
if (iState < eRequestSent)

‎HttpClient.h‎

Lines changed: 36 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -31,6 +31,7 @@ static const int HTTP_ERROR_INVALID_RESPONSE =-4;
3131
#define HTTP_METHOD_PUT "PUT"
3232
#define HTTP_METHOD_DELETE "DELETE"
3333
#define HTTP_HEADER_CONTENT_LENGTH "Content-Length"
34+
#define HTTP_HEADER_CONTENT_TYPE "Content-Type"
3435
#define HTTP_HEADER_CONNECTION "Connection"
3536
#define HTTP_HEADER_USER_AGENT "User-Agent"
3637

@@ -64,39 +65,58 @@ class HttpClient : public Client
6465
@param aURLPath Url to request
6566
@return 0 if successful, else error
6667
*/
67-
int get(const char* aURLPath)
68-
{ return startRequest(aURLPath, HTTP_METHOD_GET); }
69-
70-
int get(const String& aURLPath)
71-
{ return get(aURLPath.c_str()); }
68+
int get(const char* aURLPath);
69+
int get(const String& aURLPath);
7270

7371
/** Connect to the server and start to send a POST request.
7472
@param aURLPath Url to request
7573
@return 0 if successful, else error
7674
*/
77-
int post(const char* aURLPath)
78-
{ return startRequest(aURLPath, HTTP_METHOD_POST); }
75+
int post(const char* aURLPath);
76+
int post(const String& aURLPath);
7977

80-
int post(const String& aURLPath)
81-
{ return post(aURLPath.c_str()); }
78+
/** Connect to the server and start to send a POST request
79+
with body and content type
80+
@param aURLPath Url to request
81+
@param aContentType Content type of request body
82+
@param aBody Body of the request
83+
@return 0 if successful, else error
84+
*/
85+
int post(const char* aURLPath, const char* aContentType, const char* aBody);
86+
int post(const String& aURLPath, const String& aContentType, const String& aBody);
87+
int post(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
8288

8389
/** Connect to the server and start to send a PUT request.
8490
@param aURLPath Url to request
8591
@return 0 if successful, else error
8692
*/
87-
int put(const char* aURLPath)
88-
{ return startRequest(aURLPath, HTTP_METHOD_PUT); }
93+
int put(const char* aURLPath);
94+
int put(const String& aURLPath);
8995

90-
int put(const String& aURLPath)
91-
{ return put(aURLPath.c_str()); }
96+
/** Connect to the server and start to send a PUT request
97+
with body and content type
98+
@param aURLPath Url to request
99+
@param aContentType Content type of request body
100+
@param aBody Body of the request
101+
@return 0 if successful, else error
102+
*/
103+
int put(const char* aURLPath, const char* aContentType, const char* aBody);
104+
int put(const String& aURLPath, const String& aContentType, const String& aBody);
105+
int put(const char* aURLPath, const char* aContentType, int aContentLength, const byte aBody[]);
92106

93107
/** Connect to the server and start to send the request.
94-
@param aURLPath Url to request
95-
@param aHttpMethod Type of HTTP request to make, e.g. "GET", "POST", etc.
108+
@param aURLPath Url to request
109+
@param aHttpMethod Type of HTTP request to make, e.g. "GET", "POST", etc.
110+
@param aContentType Content type of request body (optional)
111+
@param aContentLength Length of request body (optional)
112+
@param aBody Body of request (optional)
96113
@return 0 if successful, else error
97114
*/
98115
int startRequest(const char* aURLPath,
99-
const char* aHttpMethod);
116+
const char* aHttpMethod,
117+
const char* aContentType = NULL,
118+
int aContentLength = -1,
119+
const byte aBody[] = NULL);
100120

101121
/** Send an additional header line. This can only be called in between the
102122
calls to startRequest and finishRequest.

‎examples/DweetGet/DweetGet.ino‎

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -63,9 +63,7 @@ void loop() {
6363

6464
// send the GET request
6565
Serial.println("making GET request");
66-
client.beginRequest();
6766
client.get(path);
68-
client.endRequest();
6967

7068
// read the status code of the response
7169
statusCode = client.responseStatusCode();

‎examples/DweetPost/DweetPost.ino‎

Lines changed: 3 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -56,6 +56,8 @@ void loop() {
5656
String dweetName = "scandalous-cheese-hoarder";
5757
String path = "/dweet/for/" + dweetName;
5858

59+
String contentType = "application/json";
60+
5961
// assemble the body of the POST message:
6062
int sensorValue = analogRead(A0);
6163
String postData = "{\"sensorValue\":\"";
@@ -65,12 +67,7 @@ void loop() {
6567
Serial.println("making POST request");
6668

6769
// send the POST request
68-
client.beginRequest();
69-
client.post(path);
70-
client.sendHeader("Content-Type", "application/json");
71-
client.sendHeader("Content-Length", postData.length());
72-
client.endRequest();
73-
client.write((const byte*)postData.c_str(), postData.length());
70+
client.post(path, contentType, postData);
7471

7572
// read the status code and content length of the response
7673
statusCode = client.responseStatusCode();

‎examples/SimpleGet/SimpleGet.ino‎

Lines changed: 1 addition & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -49,12 +49,9 @@ void setup() {
4949

5050
void loop() {
5151
Serial.println("making GET request");
52-
53-
// read the status code and content length of the response
54-
client.beginRequest();
5552
client.get("/");
56-
client.endRequest();
5753

54+
// read the status code and content length of the response
5855
statusCode = client.responseStatusCode();
5956
contentLength = client.contentLength();
6057

‎examples/SimplePost/SimplePost.ino‎

Lines changed: 2 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -50,14 +50,10 @@ void setup() {
5050

5151
void loop() {
5252
Serial.println("making POST request");
53+
String contentType = "application/x-www-form-urlencoded";
5354
String postData = "name=Alice&age=12";
5455

55-
client.beginRequest();
56-
client.post("/");
57-
client.sendHeader("Content-Type", "application/x-www-form-urlencoded");
58-
client.sendHeader("Content-Length", postData.length());
59-
client.endRequest();
60-
client.write((const byte*)postData.c_str(), postData.length());
56+
client.post("/", contentType, postData);
6157

6258
// read the status code and content length of the response
6359
statusCode = client.responseStatusCode();

‎examples/SimplePut/SimplePut.ino‎

Lines changed: 2 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -50,14 +50,10 @@ void setup() {
5050

5151
void loop() {
5252
Serial.println("making PUT request");
53+
String contentType = "application/x-www-form-urlencoded";
5354
String putData = "name=light&age=46";
5455

55-
client.beginRequest();
56-
client.put("/");
57-
client.sendHeader("Content-Type", "application/x-www-form-urlencoded");
58-
client.sendHeader("Content-Length", putData.length());
59-
client.endRequest();
60-
client.write((const byte*)putData.c_str(), putData.length());
56+
client.put("/", contentType, putData);
6157

6258
// read the status code and content length of the response
6359
statusCode = client.responseStatusCode();

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