119 lines
3.5 KiB
Plaintext
119 lines
3.5 KiB
Plaintext
#import "foundation_request.h"
|
|
|
|
#include "TargetConditionals.h"
|
|
#if TARGET_OS_IPHONE
|
|
#import <UIKit/UIKit.h>
|
|
#include <atomic>
|
|
#endif
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include <functional>
|
|
#include <llmr/platform/platform.hpp>
|
|
#include <uv.h>
|
|
|
|
|
|
uv_once_t request_initialize = UV_ONCE_INIT;
|
|
dispatch_queue_t queue = nullptr;
|
|
NSURLSession *session = nullptr;
|
|
|
|
|
|
#if TARGET_OS_IPHONE
|
|
std::atomic<int> active_tasks;
|
|
#endif
|
|
|
|
void request_initialize_cb() {
|
|
queue = dispatch_queue_create("Parsing", DISPATCH_QUEUE_CONCURRENT);
|
|
|
|
NSURLSessionConfiguration *sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration];
|
|
sessionConfig.timeoutIntervalForResource = 6;
|
|
sessionConfig.HTTPMaximumConnectionsPerHost = 8;
|
|
sessionConfig.requestCachePolicy = NSURLRequestUseProtocolCachePolicy;
|
|
|
|
session = [NSURLSession sessionWithConfiguration:sessionConfig];
|
|
|
|
#if TARGET_OS_IPHONE
|
|
active_tasks = 0;
|
|
#endif
|
|
}
|
|
|
|
namespace llmr {
|
|
|
|
class platform::Request {
|
|
public:
|
|
Request(NSURLSessionDataTask *task, const std::string &original_url)
|
|
: task(task), original_url(original_url) {
|
|
#if TARGET_OS_IPHONE
|
|
active_tasks++;
|
|
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:active_tasks];
|
|
#endif
|
|
}
|
|
|
|
#if TARGET_OS_IPHONE
|
|
~Request() {
|
|
active_tasks--;
|
|
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:active_tasks];
|
|
}
|
|
#endif
|
|
|
|
NSURLSessionDataTask *task;
|
|
std::string original_url;
|
|
};
|
|
|
|
std::shared_ptr<platform::Request>
|
|
platform::request_http(const std::string &url, std::function<void(Response *)> background_function,
|
|
std::function<void()> foreground_callback) {
|
|
|
|
uv_once(&request_initialize, request_initialize_cb);
|
|
|
|
__block std::shared_ptr<Request> req;
|
|
NSURLSessionDataTask *task = [session
|
|
dataTaskWithURL:[NSURL URLWithString:@(url.c_str())]
|
|
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
|
|
if ([error code] == NSURLErrorCancelled) {
|
|
// We intentionally cancelled this request.
|
|
// Make sure we clear the shared_ptr to resolve the circular reference. We're referencing
|
|
// this shared_ptr by value so that the object stays around until this completion handler is
|
|
// invoked.
|
|
req.reset();
|
|
|
|
return;
|
|
}
|
|
|
|
dispatch_async(queue, ^(){
|
|
Response res;
|
|
|
|
if (!error && [response isKindOfClass:[NSHTTPURLResponse class]]) {
|
|
res.code = [(NSHTTPURLResponse *)response statusCode];
|
|
res.body = {(const char *)[data bytes], [data length]};
|
|
} else {
|
|
res.code = -1;
|
|
res.error_message = [[error localizedDescription] UTF8String];
|
|
}
|
|
|
|
background_function(&res);
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^(void) {
|
|
// Make sure we clear the shared_ptr to resolve the circular reference. We're referencing
|
|
// this shared_ptr by value so that the object stays around until this completion handler is
|
|
// invoked.
|
|
req.reset();
|
|
|
|
foreground_callback();
|
|
});
|
|
});
|
|
}];
|
|
|
|
req = std::make_shared<Request>(task, url);
|
|
[task resume];
|
|
return req;
|
|
}
|
|
|
|
void platform::cancel_request_http(const std::shared_ptr<Request> &req) {
|
|
if (req) {
|
|
[req->task cancel];
|
|
}
|
|
}
|
|
|
|
}
|