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Open and bind a socket for each possible ICMP/ICMPv6 echo identifier, and add a tracking mechanism. Otherwise, multiple pings in parallel won't work, and a single ping to a different destination would make an existing ping sequence stop working. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
23 lines
577 B
C
23 lines
577 B
C
#ifndef ICMP_H
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#define ICMP_H
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struct ctx;
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void icmp_sock_handler(struct ctx *c, int s, uint32_t events, char *pkt_buf,
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struct timespec *now);
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int icmp_tap_handler(struct ctx *c, int af, void *addr,
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struct tap_msg *msg, int count, struct timespec *now);
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int icmp_sock_init(struct ctx *c);
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/**
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* struct icmp_ctx - Execution context for ICMP routines
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* @fd_min: Lowest file descriptor number for ICMP/ICMPv6 ever used
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* @fd_max: Highest file descriptor number for ICMP/ICMPv6 ever used
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*/
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struct icmp_ctx {
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int fd_min;
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int fd_max;
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};
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#endif /* ICMP_H */
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