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monitor: track current PCAP size

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This will come into play when support for rolling captures is
added to iwmon.
This commit is contained in:
James Prestwood 2024-12-02 06:54:36 -08:00 committed by Denis Kenzior
parent c352b35bf1
commit 43f895142c
2 changed files with 11 additions and 0 deletions
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10
monitor/pcap.c
View File

@ -60,6 +60,7 @@ struct pcap {
bool closed; bool closed;
uint32_t type; uint32_t type;
uint32_t snaplen; uint32_t snaplen;
size_t size;
}; };
struct pcap *pcap_open(const char *pathname) struct pcap *pcap_open(const char *pathname)
@ -152,6 +153,8 @@ struct pcap *pcap_create(const char *pathname)
goto failed; goto failed;
} }
pcap->size += len;
return pcap; return pcap;
failed: failed:
@ -188,6 +191,11 @@ uint32_t pcap_get_snaplen(struct pcap *pcap)
return pcap->snaplen; return pcap->snaplen;
} }
size_t pcap_get_size(struct pcap *pcap)
{
return pcap->size;
}
bool pcap_read(struct pcap *pcap, struct timeval *tv, bool pcap_read(struct pcap *pcap, struct timeval *tv,
void *data, uint32_t size, uint32_t *len, uint32_t *real_len) void *data, uint32_t size, uint32_t *len, uint32_t *real_len)
{ {
@ -279,5 +287,7 @@ bool pcap_write(struct pcap *pcap, const struct timeval *tv,
return false; return false;
} }
pcap->size += written;
return true; return true;
} }

1
monitor/pcap.h
View File

@ -36,6 +36,7 @@ void pcap_close(struct pcap *pcap);
uint32_t pcap_get_type(struct pcap *pcap); uint32_t pcap_get_type(struct pcap *pcap);
uint32_t pcap_get_snaplen(struct pcap *pcap); uint32_t pcap_get_snaplen(struct pcap *pcap);
size_t pcap_get_size(struct pcap *pcap);
bool pcap_read(struct pcap *pcap, struct timeval *tv, bool pcap_read(struct pcap *pcap, struct timeval *tv,
void *data, uint32_t size, uint32_t *len, uint32_t *real_len); void *data, uint32_t size, uint32_t *len, uint32_t *real_len);