ihm_client/src/services/storage.service.ts

82 lines
2.5 KiB
TypeScript

import axios, { AxiosResponse } from 'axios';
export async function storeData(servers: string[], key: string, value: Blob, ttl: number | null): Promise<AxiosResponse | null> {
for (const server of servers) {
try {
// Append key and ttl as query parameters
const url = new URL(`${server}/store`);
url.searchParams.append('key', key);
if (ttl !== null) {
url.searchParams.append('ttl', ttl.toString());
}
// Send the encrypted ArrayBuffer as the raw request body.
const response = await axios.post(url.toString(), value, {
headers: {
'Content-Type': 'application/octet-stream'
},
});
console.log('Data stored successfully:', key);
if (response.status !== 200) {
console.error('Received response status', response.status);
continue;
}
return response;
} catch (error) {
if (axios.isAxiosError(error) && error.response?.status === 409) {
return null;
}
console.error('Error storing data:', error);
}
}
return null;
}
export async function retrieveData(servers: string[], key: string): Promise<ArrayBuffer | null> {
for (const server of servers) {
try {
// When fetching the data from the server:
const response = await axios.get(`${server}/retrieve/${key}`, {
responseType: 'arraybuffer'
});
if (response.status !== 200) {
console.error('Received response status', response.status);
continue;
}
// console.log('Retrieved data:', response.data);
return response.data;
} catch (error) {
console.error('Error retrieving data:', error);
}
}
return null
}
interface TestResponse {
key: string;
value: boolean;
}
export async function testData(servers: string[], key: string): Promise<Record<string, boolean | null> | null> {
const res: Record<string, boolean | null> = {};
for (const server of servers) {
res[server] = null;
try {
const response = await axios.get(`${server}/test/${key}`);
if (response.status !== 200) {
console.error(`${server}: Test response status: ${response.status}`);
continue;
}
const data: TestResponse = response.data;
res[server] = data.value;
} catch (error) {
console.error('Error retrieving data:', error);
return null;
}
}
return res;
}