void wifiServerSaveConfig() {
Serial.println(F("Saving settings"));
int fail = 0;
while (strcmp_P(useLineBuffer(), PSTR("begin")) != 0)
wifiBufferLoop();
while (1) {
wifiBufferLoop();
if (hasNewLine()) {
if (strcmp_P(useLineBuffer(), PSTR("end")) == 0)
break;
if (!configParseRequest(useLineBuffer())) {
Serial.println(F("fail:"));
Serial.println(useLineBuffer());
Serial.println(F("end"));
wifiInitiateSend(linkID);
wifiServerSendPGMP(http400, &stream);
wifiEndSend();
fail = 1;
break;
}
}
}
if (fail == 0) {
configWrite();
Serial.println(linkID);
wifiInitiateSend(linkID);
wifiServerSendPGMP(http200json, &stream);
wifiServerSendPGMP(success, &stream);
wifiEndSend();
}
}
void stage3()
{
static int buf2Ndx = 0, buf3Ndx = 0, elfLength = 4, lineNum = 1;
int bigBufSize = 1000;
long filePosOffset;
char *bigBuf = (char *) malloc(sizeof(char) * bigBufSize); char *binFile = "\177ELF";
FILE *readFile;
grepInfo *grepData = (grepInfo *) malloc(sizeof(grepInfo));
while (done2 == 0)
{
//critical section for consuming
//decrement semaphores for buf2
sem_wait(&buf2Full);
//lock mutexes for buf2
pthread_mutex_lock(&buf2Mutex);
grepData->fileName = strdup(buffer2[buf2Ndx]);
//unlock mutexes for buf2
pthread_mutex_unlock(&buf2Mutex);
//incrememnt semaphores for buf2
sem_post(&buf2Empty);
readFile = fopen(buffer2[buf2Ndx++], "r");
grepData->lineNum = lineNum++;
while (fgets(bigBuf, bigBufSize, readFile) != NULL)
{
if (strncmp(bigBuf, binFile, sizeof(char) * elfLength) == 0)
{
//hopefully this skips all of the unreadable characters in a binary file.
fseek(readFile, 0, SEEK_END);
continue;
}
filePosOffset = ftell(readFile);
while (hasNewLine(bigBuf) == EXIT_FAILURE)
{
//if the end of the current line was not reached,
//double the size of the buffer.
//and keep reading from the same position
//don't skip characters.
fseek(readFile, filePosOffset, SEEK_SET);
bigBufSize *= 2;
bigBuf = (char *) realloc(bigBuf, sizeof(char) * bigBufSize);
if (fgets(bigBuf, bigBufSize, readFile) == NULL)
{
ferror(readFile);
return;
}
}
grepData->lineStr = strdup(bigBuf);
//critical section for producing
sem_wait(&buf3Empty);
pthread_mutex_lock(&buf3Mutex);
buffer3[buf3Ndx++] = grepData;
pthread_mutex_unlock(&buf3Mutex);
sem_post(&buf3Full);
}
if (bigBuf == NULL)
{
ferror(readFile);
return;
}
buf2Ndx = buf2Ndx % buffSize;
buf3Ndx = buf3Ndx % buffSize;
}
done3 = 1;
}
void wifiServerListener() {
while (1) {
wifiBufferLoop();
if (hasNewLine()) {
if (strstr_P(useLineBuffer(), PSTR("+IPD")) != NULL) {
// now we parse the request
Serial.println(F("Get something, parsing to see if it's http or not"));
if (sscanf_P(useLineBuffer(), PSTR("+IPD,%d,%*d:%7s %15s %8s\r"),
&linkID,
httpMethod,
httpPath,
httpVer)!=4){
Serial.println(httpMethod);
Serial.println(httpPath);
Serial.println(httpVer);
wifiInitiateSend(linkID);
wifiServerSendPGMP(http400, &stream);
wifiEndSend();
continue;
}
if ((!strcmp_P(httpVer, PSTR("HTTP/1.1"))) || (!strcmp_P(httpVer, PSTR("HTTP/1.0")))) {
Serial.println(F("It's really a HTTP request"));
while (strcmp_P(useLineBuffer(), PSTR("\r")) != 0)
wifiBufferLoop();
if (strcmp_P(httpPath, PSTR("/")) == 0) {
Serial.println(F("Sending index page"));
wifiInitiateSend(linkID);
wifiServerSendIndex(&stream);
wifiEndSend();
} else if (strcmp_P(httpPath, PSTR("/save")) == 0 && strcmp_P(httpMethod, PSTR("POST")) == 0) {
wifiServerSaveConfig();
} else if (strcmp_P(httpPath, PSTR("/currSetting")) == 0) {
Serial.println(F("Sending curr setting"));
wifiInitiateSend(linkID);
wifiServerSendPGMP(http200json, &stream);
wifiServerSendConfig(&stream);
wifiEndSend();
} else if (strcmp_P(httpPath, PSTR("/restart"))==0){
Serial.println(F("Soft restarting"));
wifiInitiateSend(linkID);
wifiServerSendPGMP(http200json, &stream);
wifiServerSendPGMP(success, &stream);
wifiEndSend();
while (1); // just let the watchdog timeout
} else {
Serial.println(F("Sending 404"));
wifiInitiateSend(linkID);
wifiServerSendPGMP(http404, &stream);
wifiEndSend();
}
} else {
wifiInitiateSend(linkID);
wifiServerSendPGMP(http400, &stream);
wifiEndSend();
}
} else if (strcmp_P(useLineBuffer(), PSTR("ready\r"))==0){
Serial.println(F("ESP unexpectedly reseted, initializing"));
wifiInit();
wifiServerInit();
}
}
}
}
