static void on_json_end() {
HTTPLOG_PRINTLN(">j");
if ( IrCtrl.state != IR_WRITING ) {
HTTPLOG_PRINTLN("!E5");
IR_dump();
return;
}
IR_xmit();
on_ir_xmit();
}
void irkit_http_loop() {
#ifdef USE_INTERNET
// long poll
if (TIMER_FIRED(polling_timer)) {
TIMER_STOP(polling_timer);
if (TIMER_RUNNING(suspend_polling_timer)) {
// suspend GET /m for a while if we have received a POST /messages request from client
// client is in wifi, we can ignore our server for a while
TIMER_START(polling_timer, SUSPEND_GET_MESSAGES_INTERVAL);
}
else {
int8_t result = irkit_httpclient_get_messages();
if ( result < 0 ) {
HTTPLOG_PRINTLN("!E3");
// maybe time cures GS? (no it doesn't, let's hardware reset, software reset doesn't work here)
// don't software reset AVR, because that cuts off serial logging (for debug purpose only)
wifi_hardware_reset();
}
else {
polling_cid = result;
}
}
}
if (TIMER_FIRED(suspend_polling_timer)) {
TIMER_STOP(suspend_polling_timer);
}
#endif
}
static int8_t on_request(int8_t cid, int8_t routeid, GSwifi::GSREQUESTSTATE state) {
if ( (state == GSwifi::GSREQUESTSTATE_RECEIVED) &&
(! gs.validRequest()) &&
(! has_valid_pass) ) {
HTTPLOG_PRINTLN("!E32");
gs.writeHead(cid, 400);
gs.writeEnd();
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
return -1;
}
switch (routeid) {
case 0: // POST /messages
return on_post_messages_request(cid, state);
case 1: // POST /keys
// when client requests for a new key,
// we request server for one, and respond to client with the result from server
return on_post_keys_request(cid, state);
case 2: // GET /messages
return on_get_messages_request(cid, state);
case 3: // POST /wifi
return on_post_wifi_request(cid, state);
default:
break;
}
return -1;
}
static int8_t on_post_messages_request(int8_t cid, GSwifi::GSREQUESTSTATE state) {
while (! gs.bufferEmpty()) {
char letter = gs.bufferGet();
parse_json( letter );
}
if (state == GSwifi::GSREQUESTSTATE_RECEIVED) {
// should be xmitting or idle (xmit finished)
if (IrCtrl.state == IR_WRITING) {
HTTPLOG_PRINTLN("!E7");
// invalid json
gs.writeHead(cid, 400);
gs.writeEnd();
}
else {
gs.writeHead(cid, 200);
gs.writeEnd();
}
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
#ifdef USE_INTERNET
TIMER_START( suspend_polling_timer, SUSPEND_GET_MESSAGES_INTERVAL );
#endif
}
return 0;
}
static int8_t on_get_messages_response(int8_t cid, uint16_t status_code, GSwifi::GSREQUESTSTATE state) {
HTTPLOG_PRINT(P("< G /m ")); HTTPLOG_PRINTLN(status_code);
if (status_code != 200) {
gs.bufferClear();
}
switch (status_code) {
case 200:
while (! gs.bufferEmpty()) {
char letter = gs.bufferGet();
parse_json( letter );
}
if (state == GSwifi::GSREQUESTSTATE_RECEIVED) {
// should not be WRITING here, should be XMITTING or IDLE (xmit finished)
if (IrCtrl.state == IR_WRITING) {
// prevent from locking in WRITING state forever
IR_state( IR_IDLE );
}
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
if ((polling_cid == cid) || (polling_cid == CID_UNDEFINED)) {
polling_cid = CID_UNDEFINED;
ring_put( &commands, COMMAND_START_POLLING );
}
// if polling_cid != cid
// there's already an ongoing polling request, so request again when that one finishes
}
break;
case HTTP_STATUSCODE_CLIENT_TIMEOUT:
polling_cid = CID_UNDEFINED;
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
irkit_httpclient_start_polling( 5 );
break;
case HTTP_STATUSCODE_DISCONNECT:
polling_cid = CID_UNDEFINED;
irkit_httpclient_start_polling( 5 );
break;
// heroku responds with 503 if longer than 30sec,
// or when deploy occurs
case 503:
default:
if (state == GSwifi::GSREQUESTSTATE_RECEIVED) {
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
irkit_httpclient_start_polling( 5 );
}
break;
}
return 0;
}
static int8_t on_post_keys_response(int8_t cid, uint16_t status_code, GSwifi::GSREQUESTSTATE state) {
HTTPLOG_PRINT(P("< P /k ")); HTTPLOG_PRINTLN(status_code);
if (status_code != 200) {
gs.bufferClear();
}
if (state != GSwifi::GSREQUESTSTATE_RECEIVED) {
return 0;
}
gs.writeHead( post_keys_cid, status_code );
switch (status_code) {
case 200:
while (! gs.bufferEmpty()) {
char letter = gs.bufferGet();
gs.write( letter );
}
gs.writeEnd();
break;
default:
gs.writeEnd();
break;
}
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
ring_put( &commands, COMMAND_CLOSE );
if (ring_isfull( &commands )) {
HTTPLOG_PRINTLN("!E8");
return -1;
}
ring_put( &commands, post_keys_cid );
return 0;
}
static int8_t on_post_door_response(int8_t cid, uint16_t status_code, GSwifi::GSREQUESTSTATE state) {
HTTPLOG_PRINT(P("< P /d ")); HTTPLOG_PRINTLN(status_code);
gs.bufferClear();
if (state != GSwifi::GSREQUESTSTATE_RECEIVED) {
return 0;
}
switch (status_code) {
case 200:
keys.setKeyValid(true);
// save only independent area, since sharedbuffer might be populated by IR or so.
keys.save2();
IR_state( IR_IDLE );
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
#ifdef USE_INTERNET
ring_put( &commands, COMMAND_START_POLLING );
#endif
on_irkit_ready();
break;
#ifdef USE_INTERNET
case 401:
case HTTP_STATUSCODE_CLIENT_TIMEOUT:
// keys have expired, we have to start listening for POST /wifi again
keys.clear();
keys.save();
software_reset();
break;
case 400: // must be program bug, happens when there's no hostname parameter
case 408:
case 503: // heroku responds with 503 if longer than 30sec
default:
// retry again on next loop
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
ring_put( &commands, COMMAND_POST_DOOR );
break;
#endif
}
return 0;
}
static int8_t on_post_messages_response(int8_t cid, uint16_t status_code, GSwifi::GSREQUESTSTATE state) {
HTTPLOG_PRINT(P("< P /m ")); HTTPLOG_PRINTLN(status_code);
if (status_code != 200) {
gs.bufferClear();
}
if (state != GSwifi::GSREQUESTSTATE_RECEIVED) {
return 0;
}
ring_put( &commands, COMMAND_CLOSE );
ring_put( &commands, cid );
return 0;
}
static void on_json_start() {
HTTPLOG_PRINTLN("j<");
IR_state( IR_WRITING );
}
static void on_json_start() {
HTTPLOG_PRINTLN("j<");
IR_state( IR_WRITING );
has_valid_pass = false;
}