mirror of
https://gitlab.freedesktop.org/pipewire/wireplumber.git
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795df4b693
Simple library that uses sockets for inter-process communication. It provides an API to create server and client objects. Users can add custom handlers in the server, and clients can send requests for those custom handlers.
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* WirePlumber
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*
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* Copyright © 2021 Collabora Ltd.
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* @author Julian Bouzas <julian.bouzas@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "private.h"
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#include "protocol.h"
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#include "sender.h"
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#include "client.h"
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#define BUFFER_SIZE 1024
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static void
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on_lost_connection (struct wpipc_sender *self,
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int receiver_fd,
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void *data)
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{
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wpipc_log_warn ("client: lost connection with server %d", receiver_fd);
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}
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/* API */
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struct wpipc_client *
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wpipc_client_new (const char *path, bool connect)
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{
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struct wpipc_sender *base;
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base = wpipc_sender_new (path, BUFFER_SIZE, on_lost_connection, NULL, 0);
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if (connect)
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wpipc_sender_connect (base);
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return (struct wpipc_client *)base;
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}
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void
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wpipc_client_free (struct wpipc_client *self)
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{
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struct wpipc_sender *base = wpipc_client_to_sender (self);
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wpipc_sender_free (base);
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}
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bool
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wpipc_client_send_request (struct wpipc_client *self,
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const char *name,
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const struct spa_pod *args,
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wpipc_sender_reply_func_t reply,
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void *data)
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{
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struct wpipc_sender *base = wpipc_client_to_sender (self);
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/* check params */
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if (name == NULL)
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return false;
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const size_t size = wpipc_protocol_calculate_request_size (name, args);
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uint8_t buffer[size];
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wpipc_protocol_build_request (buffer, size, name, args);
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return wpipc_sender_send (base, buffer, size, reply, data);
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}
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const struct spa_pod *
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wpipc_client_send_request_finish (struct wpipc_sender *self,
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const uint8_t *buffer,
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size_t size,
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const char **error)
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{
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/* error */
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if (wpipc_protocol_is_reply_error (buffer, size)) {
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wpipc_protocol_parse_reply_error (buffer, size, error);
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return NULL;
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}
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/* ok */
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if (wpipc_protocol_is_reply_ok (buffer, size)) {
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const struct spa_pod *value = NULL;
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if (wpipc_protocol_parse_reply_ok (buffer, size, &value))
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return value;
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}
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return NULL;
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}
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