Signed-off-by: Laurent Vivier <lvivier(a)redhat.com>
---
pcap.c | 32 ++++++++++++++++++++++++++++++++
pcap.h | 1 +
2 files changed, 33 insertions(+)
diff --git a/pcap.c b/pcap.c
index 501d52d4992b..b002bb01314c 100644
--- a/pcap.c
+++ b/pcap.c
@@ -31,6 +31,7 @@
#include "util.h"
#include "passt.h"
#include "log.h"
+#include "iov.h"
#define PCAP_VERSION_MINOR 4
@@ -130,6 +131,37 @@ void pcap_multiple(const struct iovec *iov, unsigned int n, size_t
offset)
}
}
+void pcap_iov(const struct iovec *iov, unsigned int n)
+{
+ struct timeval tv;
+ struct pcap_pkthdr h;
+ size_t len;
+ unsigned int i;
+
+ if (pcap_fd == -1)
+ return;
+
+ gettimeofday(&tv, NULL);
+
+ len = iov_size(iov, n);
+
+ h.tv_sec = tv.tv_sec;
+ h.tv_usec = tv.tv_usec;
+ h.caplen = h.len = len;
+
+ if (write(pcap_fd, &h, sizeof(h)) < 0) {
+ debug("Cannot write pcap header");
+ return;
+ }
+
+ for (i = 0; i < n; i++) {
+ if (write(pcap_fd, iov[i].iov_base, iov[i].iov_len) < 0) {
+ debug("Cannot log packet, iov %d length %lu\n",
+ i, iov[i].iov_len);
+ }
+ }
+}
+
/**
* pcap_init() - Initialise pcap file
* @c: Execution context
diff --git a/pcap.h b/pcap.h
index da5a7e846b72..732a0ddf14cc 100644
--- a/pcap.h
+++ b/pcap.h
@@ -8,6 +8,7 @@
void pcap(const char *pkt, size_t len);
void pcap_multiple(const struct iovec *iov, unsigned int n, size_t offset);
+void pcap_iov(const struct iovec *iov, unsigned int n);
void pcap_init(struct ctx *c);
#endif /* PCAP_H */
--
2.42.0