blob: bde187bf3788bdd726e0d545cb3b73d70ffe4460 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
const std = @import("std");
const redis = @cImport(
@cInclude("hiredis/hiredis.h")
);
var connection: ?*redis.redisContext = undefined;
const addr: [*]const u8 = "127.0.0.1";
const port: u16 = 6379;
pub fn Connect() !void {
connection = redis.redisConnect(addr, port);
if (connection == null or connection.?.err != 0) {
if (connection != null) {
@panic(&connection.?.errstr);
}
@panic("The redis connection failed: general error");
}
}
pub fn Disconnect() void {
redis.redisFree(connection);
}
pub const Message = struct {
Key: []const u8,
Value: []const u8
};
pub fn WriteToTopic(topic: []const u8, message: Message) !void {
_ = redis.redisCommand(connection, "SET %s:%s %s",
topic.ptr,
message.Key.ptr,
message.Value.ptr);
}
pub fn ReadFromTopic(topic: []const u8, Key: []const u8) !?[]const u8 {
const resp: *redis.redisReply = @alignCast(@ptrCast(redis.redisCommand(connection, "GET %s:%s",
topic.ptr,
Key.ptr)));
return std.mem.span(resp.str);
}
|
