init

client/tdlib.go

@@ -0,0 +1,188 @@
+package client
+
+// #cgo linux CFLAGS: -I/usr/local/include
+// #cgo darwin CFLAGS: -I/usr/local/include
+// #cgo windows CFLAGS: -IC:/src/td -IC:/src/td/build
+// #cgo linux LDFLAGS: -L/usr/local/lib -ltdjson_static -ltdjson_private -ltdclient -ltdcore -ltdactor -ltddb -ltdsqlite -ltdnet -ltdutils -lstdc++ -lssl -lcrypto -ldl -lz -lm
+// #cgo darwin LDFLAGS: -L/usr/local/lib -L/usr/local/opt/openssl/lib -ltdjson_static -ltdjson_private -ltdclient -ltdcore -ltdactor -ltddb -ltdsqlite -ltdnet -ltdutils -lstdc++ -lssl -lcrypto -ldl -lz -lm
+// #cgo windows LDFLAGS: -LC:/src/td/build/Debug -ltdjson
+// #include <stdlib.h>
+// #include <td/telegram/td_json_client.h>
+// #include <td/telegram/td_log.h>
+import "C"
+
+import (
+    "encoding/json"
+    "errors"
+    "fmt"
+    "strconv"
+    "unsafe"
+)
+
+type JsonClient struct {
+    jsonClient unsafe.Pointer
+}
+
+func NewJsonClient() *JsonClient {
+    jsonClient := &JsonClient{
+        jsonClient: C.td_json_client_create(),
+    }
+
+    return jsonClient
+}
+
+// Sends request to the TDLib client. May be called from any thread.
+func (jsonClient *JsonClient) Send(req Request) {
+    data, _ := json.Marshal(req)
+
+    query := C.CString(string(data))
+    defer C.free(unsafe.Pointer(query))
+
+    C.td_json_client_send(jsonClient.jsonClient, query)
+}
+
+// Receives incoming updates and request responses from the TDLib client. May be called from any thread, but
+// shouldn't be called simultaneously from two different threads.
+// Returned pointer will be deallocated by TDLib during next call to td_json_client_receive or td_json_client_execute
+// in the same thread, so it can't be used after that.
+func (jsonClient *JsonClient) Receive(timeout float64) (*Response, error) {
+    result := C.td_json_client_receive(jsonClient.jsonClient, C.double(timeout))
+    if result == nil {
+        return nil, errors.New("timeout")
+    }
+
+    data := []byte(C.GoString(result))
+
+    var resp Response
+
+    err := json.Unmarshal(data, &resp)
+    if err != nil {
+        return nil, err
+    }
+
+    resp.Data = data
+
+    return &resp, nil
+}
+
+// Synchronously executes TDLib request. May be called from any thread.
+// Only a few requests can be executed synchronously.
+// Returned pointer will be deallocated by TDLib during next call to td_json_client_receive or td_json_client_execute
+// in the same thread, so it can't be used after that.
+func (jsonClient *JsonClient) Execute(req Request) (*Response, error) {
+    data, _ := json.Marshal(req)
+
+    query := C.CString(string(data))
+    defer C.free(unsafe.Pointer(query))
+
+    result := C.td_json_client_execute(jsonClient.jsonClient, query)
+    if result == nil {
+        return nil, errors.New("request can't be parsed")
+    }
+
+    data = []byte(C.GoString(result))
+
+    var resp Response
+
+    err := json.Unmarshal(data, &resp)
+    if err != nil {
+        return nil, err
+    }
+
+    resp.Data = data
+
+    return &resp, nil
+}
+
+// Destroys the TDLib client instance. After this is called the client instance shouldn't be used anymore.
+func (jsonClient *JsonClient) DestroyInstance() {
+    C.td_json_client_destroy(jsonClient.jsonClient)
+}
+
+// Sets the path to the file where the internal TDLib log will be written.
+// By default TDLib writes logs to stderr or an OS specific log.
+// Use this method to write the log to a file instead.
+func SetLogFilePath(filePath string) {
+    query := C.CString(filePath)
+    defer C.free(unsafe.Pointer(query))
+
+    C.td_set_log_file_path(query)
+}
+
+// Sets maximum size of the file to where the internal TDLib log is written before the file will be auto-rotated.
+// Unused if log is not written to a file. Defaults to 10 MB.
+func SetLogMaxFileSize(maxFileSize int64) {
+    C.td_set_log_max_file_size(C.longlong(maxFileSize))
+}
+
+// Sets the verbosity level of the internal logging of TDLib.
+// By default the TDLib uses a log verbosity level of 5
+func SetLogVerbosityLevel(newVerbosityLevel int) {
+    C.td_set_log_verbosity_level(C.int(newVerbosityLevel))
+}
+
+type meta struct {
+    Type  string `json:"@type"`
+    Extra string `json:"@extra"`
+}
+
+type Request struct {
+    meta
+    Data map[string]interface{}
+}
+
+func (req Request) MarshalJSON() ([]byte, error) {
+    req.Data["@type"] = req.Type
+    req.Data["@extra"] = req.Extra
+
+    return json.Marshal(req.Data)
+}
+
+type Response struct {
+    meta
+    Data json.RawMessage
+}
+
+type ResponseError struct {
+    Err *Error
+}
+
+func (responseError ResponseError) Error() string {
+    return fmt.Sprintf("Code: %d. Message: %s", responseError.Err.Code, responseError.Err.Message)
+}
+
+func buildResponseError(data json.RawMessage) error {
+    respErr, err := UnmarshalError(data)
+    if err != nil {
+        return err
+    }
+
+    return ResponseError{
+        Err: respErr,
+    }
+}
+
+// JsonInt64 alias for int64, in order to deal with json big number problem
+type JsonInt64 int64
+
+// MarshalJSON marshals to json
+func (jsonInt64 *JsonInt64) MarshalJSON() ([]byte, error) {
+    return []byte(strconv.FormatInt(int64(*jsonInt64), 10)), nil
+}
+
+// UnmarshalJSON unmarshals from json
+func (jsonInt64 *JsonInt64) UnmarshalJSON(data []byte) error {
+    jsonBigInt, err := strconv.ParseInt(string(data[1:len(data)-1]), 10, 64)
+    if err != nil {
+        return err
+    }
+
+    *jsonInt64 = JsonInt64(jsonBigInt)
+
+    return nil
+}
+
+type Type interface {
+    GetType() string
+    GetClass() string
+}