/* piano wrapper: prepare/execute http request and pass result back to
* libpiano (updates data structures)
* @param piano handle
* @param request type
* @param waitress handle
* @param data pointer (used as request data)
* @return 1 on success, 0 otherwise
*/
int BarUiPianoCall (PianoHandle_t *ph, PianoRequestType_t type,
WaitressHandle_t *waith, void *data, PianoReturn_t *pRet,
WaitressReturn_t *wRet) {
PianoRequest_t req;
memset (&req, 0, sizeof (req));
/* repeat as long as there are http requests to do */
do {
req.data = data;
*pRet = PianoRequest (ph, &req, type);
if (*pRet != PIANO_RET_OK) {
BarUiMsg (MSG_NONE, "Error: %s\n", PianoErrorToStr (*pRet));
PianoDestroyRequest (&req);
return 0;
}
*wRet = BarPianoHttpRequest (waith, &req);
if (*wRet != WAITRESS_RET_OK) {
BarUiMsg (MSG_NONE, "Network error: %s\n", WaitressErrorToStr (*wRet));
PianoDestroyRequest (&req);
if (req.responseData != NULL) {
free (req.responseData);
}
return 0;
}
*pRet = PianoResponse (ph, &req);
if (*pRet != PIANO_RET_CONTINUE_REQUEST) {
if (*pRet != PIANO_RET_OK) {
BarUiMsg (MSG_NONE, "Error: %s\n", PianoErrorToStr (*pRet));
PianoDestroyRequest (&req);
if (req.responseData != NULL) {
free (req.responseData);
}
return 0;
} else {
BarUiMsg (MSG_NONE, "Ok.\n");
}
}
/* we can destroy the request at this point, even when this call needs
* more than one http request. persistend data (step counter, e.g.) is
* stored in req.data */
if (req.responseData != NULL) {
free (req.responseData);
}
PianoDestroyRequest (&req);
} while (*pRet == PIANO_RET_CONTINUE_REQUEST);
return 1;
}
/* piano wrapper: prepare/execute http request and pass result back to
* libpiano (updates data structures)
* @param app handle
* @param request type
* @param request data
* @param stores piano return code
* @param stores waitress return code
* @return 1 on success, 0 otherwise
*/
int BarUiPianoCall (BarApp_t * const app, PianoRequestType_t type,
void *data, PianoReturn_t *pRet, WaitressReturn_t *wRet) {
PianoRequest_t req;
memset (&req, 0, sizeof (req));
/* repeat as long as there are http requests to do */
do {
req.data = data;
*pRet = PianoRequest (&app->ph, &req, type);
if (*pRet != PIANO_RET_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Error: %s\n", PianoErrorToStr (*pRet));
PianoDestroyRequest (&req);
return 0;
}
*wRet = BarPianoHttpRequest (&app->waith, &req);
if (*wRet != WAITRESS_RET_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Network error: %s\n", WaitressErrorToStr (*wRet));
if (req.responseData != NULL) {
free (req.responseData);
}
PianoDestroyRequest (&req);
return 0;
}
*pRet = PianoResponse (&app->ph, &req);
if (*pRet != PIANO_RET_CONTINUE_REQUEST) {
/* checking for request type avoids infinite loops */
if (*pRet == PIANO_RET_P_INVALID_AUTH_TOKEN &&
type != PIANO_REQUEST_LOGIN) {
/* reauthenticate */
PianoReturn_t authpRet;
WaitressReturn_t authwRet;
PianoRequestDataLogin_t reqData;
reqData.user = app->settings.username;
reqData.password = app->settings.password;
reqData.step = 0;
BarUiMsg (&app->settings, MSG_NONE, "Reauthentication required... ");
if (!BarUiPianoCall (app, PIANO_REQUEST_LOGIN, &reqData, &authpRet,
&authwRet)) {
*pRet = authpRet;
*wRet = authwRet;
if (req.responseData != NULL) {
free (req.responseData);
}
PianoDestroyRequest (&req);
return 0;
} else {
/* try again */
*pRet = PIANO_RET_CONTINUE_REQUEST;
BarUiMsg (&app->settings, MSG_INFO, "Trying again... ");
}
} else if (*pRet != PIANO_RET_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Error: %s\n", PianoErrorToStr (*pRet));
if (req.responseData != NULL) {
free (req.responseData);
}
PianoDestroyRequest (&req);
return 0;
} else {
BarUiMsg (&app->settings, MSG_NONE, "Ok.\n");
}
}
/* we can destroy the request at this point, even when this call needs
* more than one http request. persistent data (step counter, e.g.) is
* stored in req.data */
if (req.responseData != NULL) {
free (req.responseData);
}
PianoDestroyRequest (&req);
} while (*pRet == PIANO_RET_CONTINUE_REQUEST);
return 1;
}
/* piano wrapper: prepare/execute http request and pass result back to
* libpiano
*/
bool BarUiPianoCall (BarApp_t * const app, const PianoRequestType_t type,
void * const data, PianoReturn_t * const pRet, CURLcode * const wRet) {
PianoReturn_t pRetLocal = PIANO_RET_OK;
CURLcode wRetLocal = CURLE_OK;
bool ret = false;
/* repeat as long as there are http requests to do */
do {
PianoRequest_t req = { .data = data, .responseData = NULL };
pRetLocal = PianoRequest (&app->ph, &req, type);
if (pRetLocal != PIANO_RET_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Error: %s\n",
PianoErrorToStr (pRetLocal));
goto cleanup;
}
wRetLocal = BarPianoHttpRequest (app->http, &app->settings, &req);
if (wRetLocal == CURLE_ABORTED_BY_CALLBACK) {
BarUiMsg (&app->settings, MSG_NONE, "Interrupted.\n");
goto cleanup;
} else if (wRetLocal != CURLE_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Network error: %s\n",
curl_easy_strerror (wRetLocal));
goto cleanup;
}
pRetLocal = PianoResponse (&app->ph, &req);
if (pRetLocal != PIANO_RET_CONTINUE_REQUEST) {
/* checking for request type avoids infinite loops */
if (pRetLocal == PIANO_RET_P_INVALID_AUTH_TOKEN &&
type != PIANO_REQUEST_LOGIN) {
/* reauthenticate */
PianoRequestDataLogin_t reqData;
reqData.user = app->settings.username;
reqData.password = app->settings.password;
reqData.step = 0;
BarUiMsg (&app->settings, MSG_NONE,
"Reauthentication required... ");
if (!BarUiPianoCall (app, PIANO_REQUEST_LOGIN, &reqData,
&pRetLocal, &wRetLocal)) {
goto cleanup;
} else {
/* try again */
pRetLocal = PIANO_RET_CONTINUE_REQUEST;
BarUiMsg (&app->settings, MSG_INFO, "Trying again... ");
}
} else if (pRetLocal != PIANO_RET_OK) {
BarUiMsg (&app->settings, MSG_NONE, "Error: %s\n",
PianoErrorToStr (pRetLocal));
goto cleanup;
} else {
BarUiMsg (&app->settings, MSG_NONE, "Ok.\n");
ret = true;
}
}
cleanup:
/* persistent data is stored in req.data */
free (req.responseData);
PianoDestroyRequest (&req);
} while (pRetLocal == PIANO_RET_CONTINUE_REQUEST);
*pRet = pRetLocal;
*wRet = wRetLocal;
return ret;
}
