Falk Werner
4 years ago
parent
b5f1253738
commit
792f805909
@ -0,0 +1,121 @@
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#include "webfuse_provider/impl/message_writer.h"
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#include "webfuse_provider/impl/message.h"
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#include "webfuse_provider/impl/util/base64.h"
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#include "webfuse_provider/impl/dirbuffer.h"
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#include <jansson.h>
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#include <libwebsockets.h>
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#include <stdlib.h>
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struct wfp_message_writer
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{
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json_t * result;
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json_t * error;
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int id;
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};
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struct wfp_message_writer *
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wfp_impl_message_writer_create(int id)
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{
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struct wfp_message_writer * writer = malloc(sizeof(writer));
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writer->result = json_object();
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writer->error = NULL;
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writer->id = id;
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return writer;
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}
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void
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wfp_impl_message_writer_dispose(
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struct wfp_message_writer * writer)
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{
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json_decref(writer->result);
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json_decref(writer->error);
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free(writer);
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}
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struct wfp_message *
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wfp_impl_message_writer_take_message(
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struct wfp_message_writer * writer)
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{
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json_t * response = json_object();
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if (writer->result)
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{
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json_object_set_new(response, "result", writer->result);
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}
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else
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{
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json_object_set_new(response, "error", writer->error);
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}
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json_object_set_new(response, "id", json_integer(writer->id));
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size_t const length = json_dumpb(response, NULL, 0, JSON_COMPACT);
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char * data = malloc(sizeof(struct wfp_message) + LWS_PRE + length);
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struct wfp_message * message = (struct wfp_message *) data;
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message->data = &data[sizeof(struct wfp_message) + LWS_PRE];
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message->length = length;
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json_dumpb(response, message->data, length, JSON_COMPACT);
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json_decref(response);
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return message;
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}
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void
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wfp_impl_message_writer_add_int(
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struct wfp_message_writer * writer,
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char const * key,
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int value)
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{
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json_object_set_new(writer->result, key, json_integer(value));
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}
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void
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wfp_impl_message_writer_add_string(
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struct wfp_message_writer * writer,
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char const * key,
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char const * value)
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{
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json_object_set_new(writer->result, key, json_string(value));
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}
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void
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wfp_impl_message_writer_add_bytes(
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struct wfp_message_writer * writer,
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char const * key,
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char const * data,
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size_t length)
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{
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size_t const size = wfp_impl_base64_encoded_size(length) + 1;
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char * buffer = malloc(size);
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wfp_impl_base64_encode((uint8_t const *) data, length, buffer, size);
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json_object_set_new(writer->result, "data", json_string(buffer));
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free(buffer);
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}
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void
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wfp_impl_message_writer_add_dirbuffer(
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struct wfp_message_writer * writer,
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struct wfp_dirbuffer * dirbuffer)
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{
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json_decref(writer->result);
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writer->result = wfp_impl_dirbuffer_take(dirbuffer);
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}
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void
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wfp_impl_message_writer_set_error(
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struct wfp_message_writer * writer,
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int error_code)
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{
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json_decref(writer->result);
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writer->result = NULL;
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json_decref(writer->error);
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writer->error = json_object();
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json_object_set_new(writer->error, "code", json_integer(error_code));
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}
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@ -0,0 +1,63 @@
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#ifndef WFP_IMPL_MESSAGE_WRITER_H
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#define WFP_IMPL_MESSAGE_WRITER_H
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#ifndef _cplusplus
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#include <stddef.h>
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#else
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#include <cstddef>
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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struct wfp_message_writer;
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struct wfp_message;
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struct wfp_dirbuffer;
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extern struct wfp_message_writer *
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wfp_impl_message_writer_create(int id);
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extern void
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wfp_impl_message_writer_dispose(
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struct wfp_message_writer * writer);
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extern struct wfp_message *
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wfp_impl_message_writer_take_message(
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struct wfp_message_writer * writer);
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extern void
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wfp_impl_message_writer_add_int(
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struct wfp_message_writer * writer,
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char const * key,
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int value);
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extern void
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wfp_impl_message_writer_add_string(
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struct wfp_message_writer * writer,
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char const * key,
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char const * value);
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extern void
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wfp_impl_message_writer_add_bytes(
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struct wfp_message_writer * writer,
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char const * key,
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char const * data,
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size_t length);
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extern void
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wfp_impl_message_writer_add_dirbuffer(
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struct wfp_message_writer * writer,
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struct wfp_dirbuffer * dirbuffer);
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extern void
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wfp_impl_message_writer_set_error(
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struct wfp_message_writer * writer,
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int code);
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#ifdef __cplusplus
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}
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#endif
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#endif
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