32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
#pragma once
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#include <osmocom/core/select.h>
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#include <osmocom/core/msgb.h>
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#include "osmo_mcast_sock.h"
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/* We use multicast group addresses from the 239.192.0.0/14 rage, as
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* those are designated by RFC2365 as "IPv4 Organization Local Scope,
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* "... the space from which an organization should allocate sub-
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* ranges when defining scopes for private use." */
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#define VIRT_UM_MSGB_SIZE 256
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#define DEFAULT_MS_MCAST_GROUP "239.193.23.1"
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#define DEFAULT_MS_MCAST_PORT 4729 /* IANA-registered port for GSMTAP */
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#define DEFAULT_BTS_MCAST_GROUP "239.193.23.2"
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#define DEFAULT_BTS_MCAST_PORT 4729 /* IANA-registered port for GSMTAP */
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struct virt_um_inst {
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void *priv;
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struct mcast_bidir_sock *mcast_sock;
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void (*recv_cb)(struct virt_um_inst *vui, struct msgb *msg);
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};
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struct virt_um_inst *virt_um_init(
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void *ctx, char *tx_mcast_group, uint16_t tx_mcast_port,
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char *rx_mcast_group, uint16_t rx_mcast_port, int ttl, const char *dev_name,
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void (*recv_cb)(struct virt_um_inst *vui, struct msgb *msg));
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void virt_um_destroy(struct virt_um_inst *vui);
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int virt_um_write_msg(struct virt_um_inst *vui, struct msgb *msg);
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