gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/images/basic/integrationtest/host_connect.c (about)

     1  // Copyright 2022 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  #include <stdio.h>
    16  #include <stdlib.h>
    17  #include <sys/socket.h>
    18  #include <sys/un.h>
    19  #include <unistd.h>
    20  
    21  int main(int argc, char** argv) {
    22    int fd;
    23    struct sockaddr_un addr;
    24    char buff[10];
    25  
    26    if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
    27      perror("socket");
    28      exit(1);
    29    }
    30  
    31    memset(&addr, 0, sizeof(addr));
    32    addr.sun_family = AF_UNIX;
    33    strcpy(addr.sun_path, argv[1]);
    34    if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
    35      perror("connect");
    36      exit(1);
    37    }
    38  
    39    strcpy(buff, "Hello");
    40    if (send(fd, buff, strlen(buff) + 1, 0) == -1) {
    41      perror("send");
    42      exit(1);
    43    }
    44  
    45    close(fd);
    46    exit(0);
    47  }