skipstone/src/system.c

#include <stdio.h>

#include <skipstone/message.h>
#include <skipstone/system.h>

#include "util.h"

int skipstone_system_send_client_version(skipstone_message_service *service,
                                         uint32_t flags) {
    skipstone_link *link = skipstone_message_service_link(service);

    uint8_t message[25];
    ssize_t len;

    if ((len = skipstone_message_pack(message,
                                      sizeof(message),
                                      "CLLLCCCCQ",
                                      SKIPSTONE_SYSTEM_VERSION_RESPONSE,
                                      htobe32(SKIPSTONE_SYSTEM_PROTOCOL),
                                      htobe32(SKIPSTONE_SYSTEM_SESSION_GAMMA_RAY),
                                      htobe32(flags),
                                      2,
                                      SKIPSTONE_SYSTEM_CLIENT_MAJOR,
                                      SKIPSTONE_SYSTEM_CLIENT_MINOR,
                                      SKIPSTONE_SYSTEM_CLIENT_BUGFIX,
                                      htobe64(SKIPSTONE_SYSTEM_PROTOCOL_CAPS))) < 0) {
        goto error_message_pack;
    }

    if (skipstone_link_send(link,
                            message,
                            SKIPSTONE_SYSTEM_ENDPOINT_PHONE_VERSION,
                            len) < 0) {
        goto error_link_send;
    }

    return 0;

error_link_send:
error_message_pack:
    return -1;
}