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feat: main loop

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This commit is contained in:
Ádám Kovács
2025-04-04 11:56:36 +02:00
parent d55ae2851a
commit cdd0fa7758
3 changed files with 50 additions and 96 deletions
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25
src/httpClient.zig
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@@ -40,14 +40,17 @@ pub const HttpRequest = struct {
body: []const u8,
headers: []const HttpHeader,
};
pub const HttpResponse = struct {};
pub const HttpHeader = struct {
name: []const u8,
value: []const u8,
};
pub const HttpContext = struct { client: *const Client, request: *const HttpRequest };
pub const HttpContext = struct { client: *const Client, request: *const HttpRequest, response: ?*const HttpResponse = null, finished: bool = false };
fn tcp_recv_callback(_: ?*anyopaque, pcb: ?*cNet.tcp_pcb, p1: ?*cNet.pbuf, _: cNet.err_t) callconv(.C) cNet.err_t {
fn tcp_recv_callback(context: ?*anyopaque, pcb: ?*cNet.tcp_pcb, p1: ?*cNet.pbuf, _: cNet.err_t) callconv(.C) cNet.err_t {
print("asd2");
if (p1 == null) {
print("asd3");
@@ -58,6 +61,10 @@ fn tcp_recv_callback(_: ?*anyopaque, pcb: ?*cNet.tcp_pcb, p1: ?*cNet.pbuf, _: cN
_ = cNet.pbuf_free(p1);
}
print("asd4");
const http_context: *HttpContext = @ptrCast(@alignCast(context));
const response = http_context.client.allocator.create(HttpResponse) catch unreachable;
http_context.response = response;
http_context.finished = true;
// std.debug.print("Received data: {s}\n", .{@ptrCast([*]const u8, p1.?.payload)});
return cNet.ERR_OK;
}
@@ -158,11 +165,9 @@ fn dns_callback(_: [*c]const u8, ipaddr: [*c]const cNet.struct_ip4_addr, context
pub const Client = struct {
allocator: std.mem.Allocator,
pub fn sendRequest(client: *const Client, request: *const HttpRequest) !void {
pub fn sendRequest(client: *const Client, request: *const HttpRequest) !?*const HttpResponse {
print("Client.sendRequest");
const asd: *const HttpContext = &.{ .client = client, .request = request };
const context: *HttpContext = @constCast(asd);
print_usize(@intFromPtr(context));
const context: HttpContext = .{ .client = client, .request = request };
cNet.cyw43_arch_lwip_begin();
var cached_address = cNet.ip_addr_t{};
@@ -203,14 +208,13 @@ pub const Client = struct {
print(host_c_string);
print_usize(host_string.len);
print_usize(host_c_string.len);
print_usize(@intFromPtr(context));
if (context.request.url.host != null) {
print("HOST");
} else {
print("NOT HOST");
}
print(context.request.url.scheme);
const result = cNet.dns_gethostbyname(@ptrCast(host_c_string), &cached_address, dns_callback, @ptrCast(@alignCast(context)));
const result = cNet.dns_gethostbyname(@ptrCast(host_c_string), &cached_address, dns_callback, @ptrCast(@alignCast(@constCast(&context))));
if (result == cNet.ERR_OK) {
print("DNS resolution returned with OK");
@@ -222,9 +226,12 @@ pub const Client = struct {
print("Calling cyw43_arch_lwip_end");
cNet.cyw43_arch_lwip_end();
print("Ending sendRequest...");
while (true) {
while (!context.finished) {
cNet.sleep_ms(2000);
print("loop...");
}
print("Request finished");
return context.response;
}
};