49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <netdb.h>
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#include <sys/types.h>
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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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int main()
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{
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int client_fd = socket(AF_INET6, SOCK_STREAM, 0);
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if (client_fd < 0)
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{
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printf("create socket error=%d(%s)!!!\n", errno, strerror(errno));
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exit(1);
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}
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struct sockaddr_in6 server_addr;
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server_addr.sin6_family = AF_INET6;
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server_addr.sin6_port = htons(12500);
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if (inet_pton(AF_INET6, "::1", &server_addr.sin6_addr) <= 0)
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{
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printf("inet_pton error!!!\n");
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exit(1);
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}
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if (connect(client_fd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0)
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{
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printf("socket connect error=%d(%s)!!!\n", errno, strerror(errno));
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exit(1);
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}
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printf("connect to server ok!\n");
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char msg[1024];
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int rbytes = -1;
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while ( (rbytes = read(client_fd, msg, sizeof(msg)-1)) > 0)
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{
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msg[rbytes] = 0; // null terminate
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printf("%s\n", msg);
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}
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if (rbytes < 0)
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{
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printf("read error=%d(%s)!!!\n", errno, strerror(errno));
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}
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exit(0);
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}
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