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@BytingBulldogs3539
BytingBulldogs3539 authored Dec 29, 2023
2 parents 1cdc064 + ef039da commit c137104
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Showing 2 changed files with 68 additions and 31 deletions.
75 changes: 54 additions & 21 deletions photon-core/src/main/java/org/photonvision/common/configuration/SqlConfigProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -343,6 +343,29 @@ private void addFile(PreparedStatement ps, String key, String value) throws SQLE
ps.setString(2, value);
}

// NOTE to Future Developers:
// These booleans form a mechanism to prevent saveGlobal() and
// saveOneFile() from stepping on each other's toes. Both write
// to the database on disk, and both write to the same keys, but
// they use different sources. Generally, if the user has done something
// to trigger saveOneFile() to get called, it implies they want that
// configuration, and not whatever is in RAM right now (which is what
// saveGlobal() uses to write). Therefor, once saveOneFile() is invoked,
// we record which entry was overwritten in the database and prevent
// overwriting it when saveGlobal() is invoked (likely by the shutdown
// that should almost almost almost happen right after saveOneFile() is
// invoked).
//
// In the future, this may not be needed. A better architecture would involve
// manipulating the RAM representation of configuration when new .json files
// are uploaded in the UI, and eliminate all other usages of saveOneFile().
// But, seeing as it's Dec 28 and kickoff is nigh, we put this here and moved on.
// Thank you for coming to my TED talk.
private boolean skipSavingHWCfg = false;
private boolean skipSavingHWSet = false;
private boolean skipSavingNWCfg = false;
private boolean skipSavingAPRTG = false;

private void saveGlobal(Connection conn) {
PreparedStatement statement1 = null;
PreparedStatement statement2 = null;
Expand All @@ -351,28 +374,34 @@ private void saveGlobal(Connection conn) {
// Replace this camera's row with the new settings
var sqlString = "REPLACE INTO global (filename, contents) VALUES " + "(?,?);";

statement1 = conn.prepareStatement(sqlString);
addFile(
statement1,
TableKeys.HARDWARE_SETTINGS,
JacksonUtils.serializeToString(config.getHardwareSettings()));
statement1.executeUpdate();
if (!skipSavingHWSet) {
statement1 = conn.prepareStatement(sqlString);
addFile(
statement1,
TableKeys.HARDWARE_SETTINGS,
JacksonUtils.serializeToString(config.getHardwareSettings()));
statement1.executeUpdate();
}

statement2 = conn.prepareStatement(sqlString);
addFile(
statement2,
TableKeys.NETWORK_CONFIG,
JacksonUtils.serializeToString(config.getNetworkConfig()));
statement2.executeUpdate();
statement2.close();

statement3 = conn.prepareStatement(sqlString);
addFile(
statement3,
TableKeys.HARDWARE_CONFIG,
JacksonUtils.serializeToString(config.getHardwareConfig()));
statement3.executeUpdate();
statement3.close();
if (!skipSavingNWCfg) {
statement2 = conn.prepareStatement(sqlString);
addFile(
statement2,
TableKeys.NETWORK_CONFIG,
JacksonUtils.serializeToString(config.getNetworkConfig()));
statement2.executeUpdate();
statement2.close();
}

if (!skipSavingHWCfg) {
statement3 = conn.prepareStatement(sqlString);
addFile(
statement3,
TableKeys.HARDWARE_CONFIG,
JacksonUtils.serializeToString(config.getHardwareConfig()));
statement3.executeUpdate();
statement3.close();
}

} catch (SQLException | IOException e) {
logger.error("Err saving global", e);
Expand Down Expand Up @@ -431,21 +460,25 @@ private boolean saveOneFile(String fname, Path path) {

@Override
public boolean saveUploadedHardwareConfig(Path uploadPath) {
skipSavingHWCfg = true;
return saveOneFile(TableKeys.HARDWARE_CONFIG, uploadPath);
}

@Override
public boolean saveUploadedHardwareSettings(Path uploadPath) {
skipSavingHWSet = true;
return saveOneFile(TableKeys.HARDWARE_SETTINGS, uploadPath);
}

@Override
public boolean saveUploadedNetworkConfig(Path uploadPath) {
skipSavingNWCfg = true;
return saveOneFile(TableKeys.NETWORK_CONFIG, uploadPath);
}

@Override
public boolean saveUploadedAprilTagFieldLayout(Path uploadPath) {
skipSavingAPRTG = true;
return saveOneFile(TableKeys.ATFL_CONFIG_FILE, uploadPath);
}

Expand Down
24 changes: 14 additions & 10 deletions photon-server/src/main/java/org/photonvision/server/RequestHandler.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -89,8 +89,8 @@ public static void onSettingsImportRequest(Context ctx) {

if (ConfigManager.saveUploadedSettingsZip(tempFilePath.get())) {
ctx.status(200);
ctx.result("Successfully saved the uploaded settings zip, rebooting");
logger.info("Successfully saved the uploaded settings zip, rebooting");
ctx.result("Successfully saved the uploaded settings zip, rebooting...");
logger.info("Successfully saved the uploaded settings zip, rebooting...");
restartProgram();
} else {
ctx.status(500);
Expand Down Expand Up @@ -153,8 +153,9 @@ public static void onHardwareConfigRequest(Context ctx) {

if (ConfigManager.getInstance().saveUploadedHardwareConfig(tempFilePath.get().toPath())) {
ctx.status(200);
ctx.result("Successfully saved the uploaded hardware config");
logger.info("Successfully saved the uploaded hardware config");
ctx.result("Successfully saved the uploaded hardware config, rebooting...");
logger.info("Successfully saved the uploaded hardware config, rebooting...");
restartProgram();
} else {
ctx.status(500);
ctx.result("There was an error while saving the uploaded hardware config");
Expand Down Expand Up @@ -195,8 +196,9 @@ public static void onHardwareSettingsRequest(Context ctx) {

if (ConfigManager.getInstance().saveUploadedHardwareSettings(tempFilePath.get().toPath())) {
ctx.status(200);
ctx.result("Successfully saved the uploaded hardware settings");
logger.info("Successfully saved the uploaded hardware settings");
ctx.result("Successfully saved the uploaded hardware settings, rebooting...");
logger.info("Successfully saved the uploaded hardware settings, rebooting...");
restartProgram();
} else {
ctx.status(500);
ctx.result("There was an error while saving the uploaded hardware settings");
Expand Down Expand Up @@ -237,8 +239,9 @@ public static void onNetworkConfigRequest(Context ctx) {

if (ConfigManager.getInstance().saveUploadedNetworkConfig(tempFilePath.get().toPath())) {
ctx.status(200);
ctx.result("Successfully saved the uploaded network config");
logger.info("Successfully saved the uploaded network config");
ctx.result("Successfully saved the uploaded network config, rebooting...");
logger.info("Successfully saved the uploaded network config, rebooting...");
restartProgram();
} else {
ctx.status(500);
ctx.result("There was an error while saving the uploaded network config");
Expand Down Expand Up @@ -279,8 +282,9 @@ public static void onAprilTagFieldLayoutRequest(Context ctx) {

if (ConfigManager.getInstance().saveUploadedAprilTagFieldLayout(tempFilePath.get().toPath())) {
ctx.status(200);
ctx.result("Successfully saved the uploaded AprilTagFieldLayout");
logger.info("Successfully saved the uploaded AprilTagFieldLayout");
ctx.result("Successfully saved the uploaded AprilTagFieldLayout, rebooting...");
logger.info("Successfully saved the uploaded AprilTagFieldLayout, rebooting...");
restartProgram();
} else {
ctx.status(500);
ctx.result("There was an error while saving the uploaded AprilTagFieldLayout");
Expand Down

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