pocketpy/3rd/libhv/src/HttpClient.cpp
2025-01-18 22:12:44 +08:00

306 lines
12 KiB
C++

#include "libhv_bindings.hpp"
#include "base/herr.h"
#include "http/client/HttpClient.h"
struct libhv_HttpResponse {
HttpResponsePtr ptr;
bool ok;
bool is_valid() { return ok && ptr != NULL; }
libhv_HttpResponse() : ptr(NULL), ok(false) {}
};
static bool libhv_HttpResponse_status_code(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) return RuntimeError("HttpResponse: no response");
py_newint(py_retval(), resp->ptr->status_code);
return true;
};
static bool libhv_HttpResponse_headers(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) return RuntimeError("HttpResponse: no response");
py_Ref headers = py_getslot(argv, 0);
if(py_isnil(headers)) {
py_newdict(headers);
py_Ref _0 = py_pushtmp();
py_Ref _1 = py_pushtmp();
for(auto& kv: resp->ptr->headers) {
py_newstr(_0, kv.first.c_str());
py_newstr(_1, kv.second.c_str());
py_dict_setitem(headers, _0, _1);
}
py_shrink(2);
}
py_assign(py_retval(), headers);
return true;
};
static bool libhv_HttpResponse_text(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) return RuntimeError("HttpResponse: no response");
py_Ref text = py_getslot(argv, 1);
if(py_isnil(text)) {
c11_sv sv;
sv.data = resp->ptr->body.c_str();
sv.size = resp->ptr->body.size();
py_newstrv(text, sv);
}
py_assign(py_retval(), text);
return true;
};
static bool libhv_HttpResponse_content(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) return RuntimeError("HttpResponse: no response");
py_Ref content = py_getslot(argv, 2);
if(py_isnil(content)) {
int size = resp->ptr->body.size();
unsigned char* buf = py_newbytes(content, size);
memcpy(buf, resp->ptr->body.data(), size);
}
py_assign(py_retval(), content);
return true;
};
static bool libhv_HttpResponse_json(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) return RuntimeError("HttpResponse: no response");
const char* source = resp->ptr->body.c_str(); // json string is null-terminated
return py_json_loads(source);
};
static bool libhv_HttpResponse_completed(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
py_newbool(py_retval(), resp->is_valid());
return true;
}
static bool libhv_HttpResponse__new__(int argc, py_Ref argv) {
return py_exception(tp_NotImplementedError, "");
}
static bool libhv_HttpResponse__iter__(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
py_assign(py_retval(), argv);
return true;
}
static bool libhv_HttpResponse__next__(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) {
py_newnone(py_retval());
return true;
} else {
if(!py_tpcall(tp_StopIteration, 1, argv)) return false;
return py_raise(py_retval());
}
}
static bool libhv_HttpResponse__repr__(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
libhv_HttpResponse* resp = (libhv_HttpResponse*)py_touserdata(argv);
if(!resp->is_valid()) {
py_newstr(py_retval(), "<HttpResponse: no response>");
} else {
py_newfstr(py_retval(), "<HttpResponse: %d>", (int)resp->ptr->status_code);
}
return true;
}
static py_Type libhv_register_HttpResponse(py_GlobalRef mod) {
py_Type type = py_newtype("HttpResponse", tp_object, mod, [](void* ud) {
((libhv_HttpResponse*)ud)->~libhv_HttpResponse();
});
py_bindproperty(type, "status_code", libhv_HttpResponse_status_code, NULL);
py_bindproperty(type, "headers", libhv_HttpResponse_headers, NULL);
py_bindproperty(type, "text", libhv_HttpResponse_text, NULL);
py_bindproperty(type, "content", libhv_HttpResponse_content, NULL);
py_bindmethod(type, "json", libhv_HttpResponse_json);
py_bindmagic(type, __new__, libhv_HttpResponse__new__);
py_bindmagic(type, __iter__, libhv_HttpResponse__iter__);
py_bindmagic(type, __next__, libhv_HttpResponse__next__);
py_bindmagic(type, __repr__, libhv_HttpResponse__repr__);
// completed
py_bindproperty(type, "completed", libhv_HttpResponse_completed, NULL);
return type;
}
static bool libhv_HttpClient__send_request(py_Ref arg_self,
enum http_method method,
py_Ref arg_url,
py_Ref arg_params,
py_Ref arg_headers,
py_Ref arg_data,
py_Ref arg_json,
py_Ref arg_timeout) {
hv::HttpClient* cli = (hv::HttpClient*)py_touserdata(arg_self);
if(!py_checkstr(arg_url)) return false;
const char* url = py_tostr(arg_url);
if(!py_checkint(arg_timeout)) return false;
int timeout = py_toint(arg_timeout);
auto req = std::make_shared<HttpRequest>();
req->method = method;
req->url = url;
if(!py_isnone(arg_params)) {
if(!py_checktype(arg_params, tp_dict)) return false;
bool ok = py_dict_apply(
arg_params,
[](py_Ref key, py_Ref value, void* ctx) {
HttpRequest* p_req = (HttpRequest*)ctx;
if(!py_checkstr(key)) return false;
if(!py_str(value)) return false; // key: str(value)
p_req->SetParam(py_tostr(key), py_tostr(py_retval()));
return true;
},
req.get());
if(!ok) return false;
}
req->headers["Connection"] = "keep-alive";
if(!py_isnone(arg_headers)) {
if(!py_checktype(arg_headers, tp_dict)) return false;
bool ok = py_dict_apply(
arg_headers,
[](py_Ref key, py_Ref value, void* ctx) {
HttpRequest* p_req = (HttpRequest*)ctx;
if(!py_checkstr(key)) return false;
if(!py_str(value)) return false; // key: str(value)
p_req->headers[py_tostr(key)] = py_tostr(py_retval());
return true;
},
req.get());
if(!ok) return false;
}
if(!py_isnone(arg_data)) {
// data must be str or bytes
if(py_istype(arg_data, tp_str)) {
req->body = py_tostr(arg_data);
} else if(py_istype(arg_data, tp_bytes)) {
int size;
unsigned char* buf = py_tobytes(arg_data, &size);
req->body.assign((const char*)buf, size);
} else {
return TypeError("HttpClient: data must be str or bytes");
}
}
if(!py_isnone(arg_json)) {
if(!py_isnone(arg_data)) {
return ValueError("HttpClient: data and json cannot be set at the same time");
}
if(!py_json_dumps(arg_json)) return false;
req->body = py_tostr(py_retval());
req->headers["Content-Type"] = "application/json";
}
req->timeout = timeout;
libhv_HttpResponse* retval =
(libhv_HttpResponse*)py_newobject(py_retval(),
py_gettype("libhv", py_name("HttpResponse")),
3, // headers, text, content
sizeof(libhv_HttpResponse));
// placement new
new (retval) libhv_HttpResponse();
int code = cli->sendAsync(req, [retval](const HttpResponsePtr& resp) {
if(resp == NULL) {
retval->ok = false;
retval->ptr = NULL;
} else {
retval->ok = true;
retval->ptr = resp;
}
});
if(code != 0) {
const char* msg = hv_strerror(code);
return RuntimeError("HttpClient: %s (%d)", msg, code);
}
return true;
}
py_Type libhv_register_HttpClient(py_GlobalRef mod) {
py_Type type = py_newtype("HttpClient", tp_object, mod, [](void* ud) {
((hv::HttpClient*)ud)->~HttpClient();
});
py_GlobalRef type_object = py_tpobject(type);
libhv_register_HttpResponse(mod);
py_bindmagic(type, __new__, [](int argc, py_Ref argv) {
hv::HttpClient* ud =
(hv::HttpClient*)py_newobject(py_retval(), py_totype(argv), 0, sizeof(hv::HttpClient));
new (ud) hv::HttpClient();
return true;
});
py_bind(type_object,
"get(self, url: str, params=None, headers=None, timeout=10)",
[](int argc, py_Ref argv) {
return libhv_HttpClient__send_request(py_arg(0), // self
HTTP_GET, // method
py_arg(1), // url
py_arg(2), // params
py_arg(3), // headers
py_None(), // data
py_None(), // json
py_arg(4)); // timeout
});
py_bind(type_object,
"post(self, url: str, params=None, headers=None, data=None, json=None, timeout=10)",
[](int argc, py_Ref argv) {
return libhv_HttpClient__send_request(py_arg(0), // self
HTTP_POST, // method
py_arg(1), // url
py_arg(2), // params
py_arg(3), // headers
py_arg(4), // data
py_arg(5), // json
py_arg(6)); // timeout
});
py_bind(type_object,
"put(self, url: str, params=None, headers=None, data=None, json=None, timeout=10)",
[](int argc, py_Ref argv) {
return libhv_HttpClient__send_request(py_arg(0), // self
HTTP_PUT, // method
py_arg(1), // url
py_arg(2), // params
py_arg(3), // headers
py_arg(4), // data
py_arg(5), // json
py_arg(6)); // timeout
});
py_bind(type_object,
"delete(self, url: str, params=None, headers=None, timeout=10)",
[](int argc, py_Ref argv) {
return libhv_HttpClient__send_request(py_arg(0), // self
HTTP_DELETE, // method
py_arg(1), // url
py_arg(2), // params
py_arg(3), // headers
py_None(), // data
py_None(), // json
py_arg(4)); // timeout
});
return type;
}