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#include <string.h>
#include <stdio.h>
#include "workflow/Workflow.h"
#include "workflow/WFTaskFactory.h"
#include "workflow/WFFacilities.h"
#include "message.h"
using WFTutorialTask = WFNetworkTask<protocol::TutorialRequest,
protocol::TutorialResponse>;
using tutorial_callback_t = std::function<void (WFTutorialTask *)>;
using namespace protocol;
class MyFactory : public WFTaskFactory
{
public:
static WFTutorialTask *create_tutorial_task(const std::string& host,
unsigned short port,
int retry_max,
tutorial_callback_t callback)
{
using NTF = WFNetworkTaskFactory<TutorialRequest, TutorialResponse>;
WFTutorialTask *task = NTF::create_client_task(TT_TCP, host, port,
retry_max,
std::move(callback));
task->set_keep_alive(30 * 1000);
return task;
}
};
int main(int argc, char *argv[])
{
unsigned short port;
std::string host;
if (argc != 3)
{
fprintf(stderr, "USAGE: %s <host> <port>\n", argv[0]);
exit(1);
}
host = argv[1];
port = atoi(argv[2]);
auto&& create = [host, port](WFRepeaterTask *)->SubTask *{
char buf[1024];
printf("Input next request string (Ctrl-D to exit): ");
*buf = '\0';
scanf("%1023s", buf);
size_t body_size = strlen(buf);
if (body_size == 0)
{
printf("\n");
return NULL;
}
WFTutorialTask *task = MyFactory::create_tutorial_task(host, port, 0,
[](WFTutorialTask *task) {
int state = task->get_state();
int error = task->get_error();
TutorialResponse *resp = task->get_resp();
void *body;
size_t body_size;
if (state == WFT_STATE_SUCCESS)
{
resp->get_message_body_nocopy(&body, &body_size);
printf("Server Response: %.*s\n", (int)body_size, (char *)body);
}
else
{
const char *str = WFGlobal::get_error_string(state, error);
fprintf(stderr, "Error: %s\n", str);
}
});
task->get_req()->set_message_body(buf, body_size);
task->get_resp()->set_size_limit(4 * 1024);
return task;
};
WFFacilities::WaitGroup wait_group(1);
WFRepeaterTask *repeater;
repeater = WFTaskFactory::create_repeater_task(std::move(create), nullptr);
Workflow::start_series_work(repeater, [&wait_group](const SeriesWork *) {
wait_group.done();
});
wait_group.wait();
return 0;
}
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