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91b04bc233
The USB DM will be registered as diag starts, but the FunctionFS is bound dynamically so allow the DM to be enabled and disabled; which will ensure that we don't enqueue messages on an outbound queue that won't be drained. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*
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* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
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* Copyright (c) 2016, Linaro Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "diag.h"
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#include "dm.h"
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#include "hdlc.h"
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#include "watch.h"
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#define APPS_BUF_SIZE 16384
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int diag_sock_connect(const char *hostname, unsigned short port)
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{
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struct sockaddr_in addr;
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struct diag_client *dm;
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struct hostent *host;
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int ret;
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int fd;
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fd = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
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if (fd < 0)
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return -errno;
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host = gethostbyname(hostname);
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if (!host)
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return -errno;
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bzero(&addr, sizeof(addr));
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addr.sin_family = AF_INET;
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bcopy(host->h_addr, &addr.sin_addr.s_addr, host->h_length);
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addr.sin_port = htons(port);
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ret = connect(fd, (const struct sockaddr *)&addr, sizeof(addr));
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if (ret < 0)
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return -errno;
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ret = fcntl(fd, F_SETFL, O_NONBLOCK);
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if (ret < 0)
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return -errno;
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printf("Connected to %s:%d\n", hostname, port);
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dm = dm_add("DIAG CLIENT", fd, fd, true);
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dm_enable(dm);
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return fd;
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}
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