breeze/workflow
1
0
Fork 0
mirror of https://github.com/sogou/workflow.git synced 2026-02-08 01:33:17 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update tutorial-10's client with WFRepeaterTask

Browse Source
This commit is contained in:
XieHan
2022-08-02 02:54:31 +08:00
parent 2b7f7aeb6b
commit 9706ef25f4
1 changed files with 34 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
tutorial/tutorial-10-user_defined_protocol/client.cc
View File

@@ -59,51 +59,49 @@ int main(int argc, char *argv[])
host = argv[1];
port = atoi(argv[2]);
std::function<void (WFTutorialTask *task)> callback =
[&host, port, &callback](WFTutorialTask *task) {
int state = task->get_state();
int error = task->get_error();
TutorialResponse *resp = task->get_resp();
auto&& create = [host, port](WFRepeaterTask *)->SubTask *{
char buf[1024];
void *body;
size_t body_size;
if (state != WFT_STATE_SUCCESS)
{
if (state == WFT_STATE_SYS_ERROR)
fprintf(stderr, "SYS error: %s\n", strerror(error));
else if (state == WFT_STATE_DNS_ERROR)
fprintf(stderr, "DNS error: %s\n", gai_strerror(error));
else
fprintf(stderr, "other error.\n");
return;
}
resp->get_message_body_nocopy(&body, &body_size);
if (body_size != 0)
printf("Server Response: %.*s\n", (int)body_size, (char *)body);
printf("Input next request string (Ctrl-D to exit): ");
*buf = '\0';
scanf("%1023s", buf);
body_size = strlen(buf);
if (body_size > 0)
size_t body_size = strlen(buf);
if (body_size == 0)
{
WFTutorialTask *next;
next = MyFactory::create_tutorial_task(host, port, 0, callback);
next->get_req()->set_message_body(buf, body_size);
next->get_resp()->set_size_limit(4 * 1024);
**task << next; /* equal to: series_of(task)->push_back(next) */
}
else
printf("\n");
return nullptr;
}
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;
};
/* First request is emtpy. We will ignore the server response. */
WFFacilities::WaitGroup wait_group(1);
WFTutorialTask *task = MyFactory::create_tutorial_task(host, port, 0, callback);
task->get_resp()->set_size_limit(4 * 1024);
Workflow::start_series_work(task, [&wait_group](const SeriesWork *) {
WFRepeaterTask *repeater;
repeater = WFTaskFactory::create_repeater_task(std::move(create), nullptr);
Workflow::start_series_work(repeater, [&wait_group](const SeriesWork *) {
wait_group.done();
});