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Add support for gopher protocol #16

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merged 2 commits into from
Apr 28, 2022
Merged

Add support for gopher protocol #16

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ab94cd7
add support for gopher protocol
Mar 11, 2022
68ed5ec
Merge branch 'master' into feature/gopher-protocol-support
ssshake Apr 28, 2022
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49 changes: 49 additions & 0 deletions firmware/theoldnet_serial_wifi_modem/theoldnet_serial_wifi_modem.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -706,6 +706,7 @@ void displayHelp() {
Serial.println("PET MCTERM TR........: ATPETN (N=0,1)"); yield();
Serial.println("NETWORK INFO.........: ATI"); yield();
Serial.println("HTTP GET.............: ATGET<URL>"); yield();
Serial.println("GOPHER REQUEST.......: ATGPH<URL>"); yield();
//Serial.println("SERVER PORT........: AT$SP=N (N=1-65535)"); yield();
Serial.println("AUTO ANSWER..........: ATS0=N (N=0,1)"); yield();
Serial.println("SET BUSY MSG.........: AT$BM=YOUR BUSY MESSAGE"); yield();
Expand Down Expand Up @@ -1468,6 +1469,54 @@ void command()
delete hostChr;
}

/**** Gopher request ****/
else if (upCmd.indexOf("ATGPH") == 0)
{
// From the URL, aquire required variables
// (14 = "ATGPHgopher://")
int portIndex = cmd.indexOf(":", 14); // Index where port number might begin
int pathIndex = cmd.indexOf("/", 14); // Index first host name and possible port ends and path begins
int port;
String path, host;
if (pathIndex < 0)
{
pathIndex = cmd.length();
}
if (portIndex < 0)
{
port = 70;
portIndex = pathIndex;
}
else
{
port = cmd.substring(portIndex + 1, pathIndex).toInt();
}
host = cmd.substring(14, portIndex);
path = cmd.substring(pathIndex, cmd.length());
if (path == "") path = "/";
char *hostChr = new char[host.length() + 1];
host.toCharArray(hostChr, host.length() + 1);

// Establish connection
if (!tcpClient.connect(hostChr, port))
{
sendResult(R_NOCARRIER);
connectTime = 0;
callConnected = false;
setCarrier(callConnected);
}
else
{
sendResult(R_CONNECT);
connectTime = millis();
cmdMode = false;
callConnected = true;
setCarrier(callConnected);
tcpClient.print(path + "\r\n");
}
delete hostChr;
}

/**** Control quiet mode ****/
else if (upCmd.indexOf("ATQ") == 0) {
if (upCmd.substring(3, 4) == "?") {
Expand Down