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network chunk v10

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This commit is contained in:
andrei-mihnea-cerbu
2024-11-13 10:45:14 +02:00
parent b9bef88414
commit 4568bc12f4
4 changed files with 53 additions and 42 deletions
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UC/package-lock.json
Generated
+8
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@@ -21,6 +21,7 @@
"@types/better-sqlite3": "^7.6.11",
"@types/lokijs": "^1.5.14",
"@types/node": "^22.6.1",
"@types/ping": "^0.4.4",
"@types/sqlite3": "^3.1.11",
"@types/uuid": "^10.0.0",
"concurrently": "^8.2.2",
@@ -179,6 +180,13 @@
"undici-types": "~6.19.2"
}
},
"node_modules/@types/ping": {
"version": "0.4.4",
"resolved": "https://registry.npmjs.org/@types/ping/-/ping-0.4.4.tgz",
"integrity": "sha512-ifvo6w2f5eJYlXm+HiVx67iJe8WZp87sfa683nlqED5Vnt9Z93onkokNoWqOG21EaE8fMxyKPobE+mkPEyxsdw==",
"dev": true,
"license": "MIT"
},
"node_modules/@types/sqlite3": {
"version": "3.1.11",
"resolved": "https://registry.npmjs.org/@types/sqlite3/-/sqlite3-3.1.11.tgz",
UC/package.json
+1
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@@ -22,6 +22,7 @@
"@types/better-sqlite3": "^7.6.11",
"@types/lokijs": "^1.5.14",
"@types/node": "^22.6.1",
"@types/ping": "^0.4.4",
"@types/sqlite3": "^3.1.11",
"@types/uuid": "^10.0.0",
"concurrently": "^8.2.2",
UC/src/network/socket_communicator/socket_communicator_base.ts
+19 -18
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@@ -1,6 +1,6 @@
import { ParsedMessage } from '../message_handler';
import { OperationHandler } from '../operations_base/operation_handler';
import { exec } from 'child_process';
import ping from "ping";
export abstract class SocketCommunicatorBase {
protected readonly ip: string;
@@ -23,34 +23,35 @@ export abstract class SocketCommunicatorBase {
protected async scanNetworkLatency(): Promise<number> {
const targetIp = this.ip; // Use the IP from the superclass
return new Promise((resolve, reject) => {
exec(`ping -c 1 ${targetIp}`, (error, stdout) => {
if (error) {
console.error(`Ping error: ${error}`);
return reject(error);
try {
const response = await ping.promise.probe(targetIp);
if (!response.alive || response.time === "unknown") {
console.warn(`Ping failed to reach ${targetIp}. Using default network speed.`);
return 200; // Default latency in ms if ping fails
}
const match = stdout.match(/time=([\d.]+) ms/);
if (match && match[1]) {
const latency = parseFloat(match[1]);
console.log(`Network latency to ${targetIp} is approximately ${latency} ms`);
resolve(latency);
} else {
reject(new Error('Unable to determine latency from ping output.'));
return response.time; // Latency in ms from ping response
} catch (error: any) {
console.error(`Ping error: ${error.message}. Using default network speed.`);
return 200; // Default latency in ms if an error occurs
}
});
});
}
// Calculate optimal chunk size based on network latency, with fallback if necessary
protected async calculateOptimalChunkSize(messageLength: number): Promise<number> {
this.networkSpeed = await this.scanNetworkLatency();
const latency = await this.scanNetworkLatency();
this.networkSpeed = latency > 0 ? 1000 / latency : 1; // Speed in bytes/ms based on latency
// Calculate initial chunk size based on latency (bounded between 512 and 1024 bytes)
let chunkSize = Math.min(Math.max(512, Math.floor(5000 / this.networkSpeed)), 1024);
// Ensure chunk size aligns with base64 encoding (multiple of 4)
// Adjust chunk size for base64 alignment (multiple of 4)
while (messageLength % chunkSize !== 0 && chunkSize > 0) {
chunkSize -= 4;
}
return chunkSize || 1024;
return chunkSize || 1024; // Fallback to 1024 if alignment adjustment results in 0
}
}
User/src/network/socket_communicator/socket_communicator_base.ts
+19 -18
View File
@@ -1,6 +1,6 @@
import { ParsedMessage } from '../message_handler';
import { OperationHandler } from '../operations_base/operation_handler';
import { exec } from 'child_process';
import ping from "ping";
export abstract class SocketCommunicatorBase {
protected readonly ip: string;
@@ -23,34 +23,35 @@ export abstract class SocketCommunicatorBase {
protected async scanNetworkLatency(): Promise<number> {
const targetIp = this.ip; // Use the IP from the superclass
return new Promise((resolve, reject) => {
exec(`ping -c 1 ${targetIp}`, (error, stdout) => {
if (error) {
console.error(`Ping error: ${error}`);
return reject(error);
try {
const response = await ping.promise.probe(targetIp);
if (!response.alive || response.time === "unknown") {
console.warn(`Ping failed to reach ${targetIp}. Using default network speed.`);
return 200; // Default latency in ms if ping fails
}
const match = stdout.match(/time=([\d.]+) ms/);
if (match && match[1]) {
const latency = parseFloat(match[1]);
console.log(`Network latency to ${targetIp} is approximately ${latency} ms`);
resolve(latency);
} else {
reject(new Error('Unable to determine latency from ping output.'));
return response.time; // Latency in ms from ping response
} catch (error: any) {
console.error(`Ping error: ${error.message}. Using default network speed.`);
return 200; // Default latency in ms if an error occurs
}
});
});
}
// Calculate optimal chunk size based on network latency, with fallback if necessary
protected async calculateOptimalChunkSize(messageLength: number): Promise<number> {
this.networkSpeed = await this.scanNetworkLatency();
const latency = await this.scanNetworkLatency();
this.networkSpeed = latency > 0 ? 1000 / latency : 1; // Speed in bytes/ms based on latency
// Calculate initial chunk size based on latency (bounded between 512 and 1024 bytes)
let chunkSize = Math.min(Math.max(512, Math.floor(5000 / this.networkSpeed)), 1024);
// Ensure chunk size aligns with base64 encoding (multiple of 4)
// Adjust chunk size for base64 alignment (multiple of 4)
while (messageLength % chunkSize !== 0 && chunkSize > 0) {
chunkSize -= 4;
}
return chunkSize || 1024;
return chunkSize || 1024; // Fallback to 1024 if alignment adjustment results in 0
}
}