diff options
Diffstat (limited to 'src/datagram.c')
| -rw-r--r-- | src/datagram.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/datagram.c b/src/datagram.c index 6316552..cb2a64f 100644 --- a/src/datagram.c +++ b/src/datagram.c @@ -12,6 +12,7 @@ #include <osmocom/core/linuxlist.h> #include <osmocom/core/select.h> +#include <osmocom/core/utils.h> #include <osmocom/gsm/tlv.h> #include <osmocom/core/msgb.h> #include <osmocom/core/logging.h> @@ -40,6 +41,8 @@ struct osmo_dgram_tx { struct llist_head tx_queue; const char *addr; uint16_t port; + char *local_addr; + uint16_t local_port; int (*write_cb)(struct osmo_dgram_tx *conn); void *data; unsigned int flags; @@ -140,6 +143,26 @@ osmo_dgram_tx_set_port(struct osmo_dgram_tx *conn, conn->flags |= OSMO_DGRAM_CLI_F_RECONF; } +/*! \brief Set the local address from which we transmit + * \param[in] conn Datagram Transmitter to modify + * \param[in] addr Local IP address */ +void +osmo_dgram_tx_set_local_addr(struct osmo_dgram_tx *conn, const char *addr) +{ + osmo_talloc_replace_string(conn, &conn->local_addr, addr); + conn->flags |= OSMO_DGRAM_CLI_F_RECONF; +} + +/*! \brief Set the local port from which we transmit + * \param[in] conn Datagram Transmitter to modify + * \param[in] port Local Port Number */ +void +osmo_dgram_tx_set_local_port(struct osmo_dgram_tx *conn, uint16_t port) +{ + conn->local_port = port; + conn->flags |= OSMO_DGRAM_CLI_F_RECONF; +} + /*! \brief Set application private data of the datagram transmitter * \param[in] conn Datagram Transmitter to modify * \param[in] data User-specific data (available in call-back functions) */ @@ -169,9 +192,9 @@ int osmo_dgram_tx_open(struct osmo_dgram_tx *conn) conn->flags &= ~OSMO_DGRAM_CLI_F_RECONF; - ret = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP, - conn->addr, conn->port, - OSMO_SOCK_F_CONNECT|OSMO_SOCK_F_NONBLOCK); + ret = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP, + conn->local_addr, conn->local_port, conn->addr, conn->port, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT|OSMO_SOCK_F_NONBLOCK); if (ret < 0) return ret; |