Review at  https://gerrit.osmocom.org/3232

VIRT-PHY: mcast_sock: Avoid dynamic allocation of osmo_fd member

Change-Id: I11e0137849797eb67047b4ddca0e917c599ed909
---
M src/host/virt_phy/include/virtphy/osmo_mcast_sock.h
M src/host/virt_phy/src/shared/osmo_mcast_sock.c
2 files changed, 19 insertions(+), 24 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/32/3232/1

diff --git a/src/host/virt_phy/include/virtphy/osmo_mcast_sock.h 
b/src/host/virt_phy/include/virtphy/osmo_mcast_sock.h
index abf2c48..3c5954d 100644
--- a/src/host/virt_phy/include/virtphy/osmo_mcast_sock.h
+++ b/src/host/virt_phy/include/virtphy/osmo_mcast_sock.h
@@ -4,11 +4,11 @@
 #include <osmocom/core/select.h>
 
 struct mcast_server_sock {
-       struct osmo_fd *osmo_fd;
+       struct osmo_fd osmo_fd;
 };
 
 struct mcast_client_sock {
-       struct osmo_fd *osmo_fd;
+       struct osmo_fd osmo_fd;
        struct ip_mreq *mcast_group;
 };
 
diff --git a/src/host/virt_phy/src/shared/osmo_mcast_sock.c 
b/src/host/virt_phy/src/shared/osmo_mcast_sock.c
index fdbbb88..a06d706 100644
--- a/src/host/virt_phy/src/shared/osmo_mcast_sock.c
+++ b/src/host/virt_phy/src/shared/osmo_mcast_sock.c
@@ -19,11 +19,8 @@
        struct mcast_server_sock *serv_sock = talloc_zero(ctx, struct 
mcast_server_sock);
        int rc;
 
-       /* TODO: why allocate those dynamically ?!? */
-       serv_sock->osmo_fd = talloc_zero(serv_sock, struct osmo_fd);
-
        /* setup mcast server socket */
-       rc = osmo_sock_init_ofd(serv_sock->osmo_fd, AF_INET, SOCK_DGRAM, 
IPPROTO_UDP,
+       rc = osmo_sock_init_ofd(&serv_sock->osmo_fd, AF_INET, SOCK_DGRAM, 
IPPROTO_UDP,
                                tx_mcast_group, tx_mcast_port, 
OSMO_SOCK_F_CONNECT);
        if (rc < 0) {
                perror("Failed to create Multicast Server Socket");
@@ -32,7 +29,7 @@
 
        /* determines whether sent mcast packets should be looped back to the 
local sockets.
         * loopback must be enabled if the mcast client is on the same machine 
*/
-       if (setsockopt(serv_sock->osmo_fd->fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+       if (setsockopt(serv_sock->osmo_fd.fd, IPPROTO_IP, IP_MULTICAST_LOOP,
                        &loopback, sizeof(loopback)) < 0) {
                perror("Failed to configure multicast loopback.\n");
                return NULL;
@@ -53,15 +50,14 @@
        int rc, loopback = 1, all = 0;
 
        /* TODO: why allocate those dynamically ?!? */
-       client_sock->osmo_fd = talloc_zero(client_sock, struct osmo_fd);
        client_sock->mcast_group = talloc_zero(client_sock, struct ip_mreq);
 
-       client_sock->osmo_fd->cb = fd_rx_cb;
-       client_sock->osmo_fd->when = BSC_FD_READ;
-       client_sock->osmo_fd->data = osmo_fd_data;
+       client_sock->osmo_fd.cb = fd_rx_cb;
+       client_sock->osmo_fd.when = BSC_FD_READ;
+       client_sock->osmo_fd.data = osmo_fd_data;
 
        /* Create mcast client socket */
-       rc = osmo_sock_init_ofd(client_sock->osmo_fd, AF_INET, SOCK_DGRAM, 
IPPROTO_UDP,
+       rc = osmo_sock_init_ofd(&client_sock->osmo_fd, AF_INET, SOCK_DGRAM, 
IPPROTO_UDP,
                                NULL, mcast_port, OSMO_SOCK_F_BIND);
        if (rc < 0) {
                perror("Could not create mcast client socket");
@@ -71,7 +67,7 @@
        /* Enable loopback of msgs to the host. */
        /* Loopback must be enabled for the client, so multiple
         * processes are able to receive a mcast package. */
-       rc = setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+       rc = setsockopt(client_sock->osmo_fd.fd, IPPROTO_IP, IP_MULTICAST_LOOP,
                        &loopback, sizeof(loopback));
        if (rc < 0) {
                perror("Failed to enable IP_MULTICAST_LOOP");
@@ -81,7 +77,7 @@
        /* Configure and join the multicast group */
        client_sock->mcast_group->imr_multiaddr.s_addr = inet_addr(mcast_group);
        client_sock->mcast_group->imr_interface.s_addr = htonl(INADDR_ANY);
-       rc = setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+       rc = setsockopt(client_sock->osmo_fd.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
                        client_sock->mcast_group, 
sizeof(*client_sock->mcast_group));
        if (rc < 0) {
                perror("Failed to join to mcast goup");
@@ -90,7 +86,7 @@
 
        /* this option will set the delivery option so that only packets
         * from sockets we are subscribed to via IP_ADD_MEMBERSHIP are received 
*/
-       if (setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP, IP_MULTICAST_ALL, 
&all, sizeof(all)) < 0) {
+       if (setsockopt(client_sock->osmo_fd.fd, IPPROTO_IP, IP_MULTICAST_ALL, 
&all, sizeof(all)) < 0) {
                perror("Failed to modify delivery policy to explicitly 
joined.\n");
                return NULL;
        }
@@ -119,13 +115,13 @@
 int mcast_client_sock_rx(struct mcast_client_sock *client_sock, void* buf,
                          int buf_len)
 {
-       return recv(client_sock->osmo_fd->fd, buf, buf_len, 0);
+       return recv(client_sock->osmo_fd.fd, buf, buf_len, 0);
 }
 
 int mcast_server_sock_tx(struct mcast_server_sock *serv_sock, void* data,
                          int data_len)
 {
-       return send(serv_sock->osmo_fd->fd, data, data_len, 0);
+       return send(serv_sock->osmo_fd.fd, data, data_len, 0);
 }
 
 int mcast_bidir_sock_tx(struct mcast_bidir_sock *bidir_sock, void* data,
@@ -141,20 +137,19 @@
 
 void mcast_client_sock_close(struct mcast_client_sock *client_sock)
 {
-       setsockopt(client_sock->osmo_fd->fd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
+       setsockopt(client_sock->osmo_fd.fd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
                   client_sock->mcast_group, sizeof(*client_sock->mcast_group));
-       osmo_fd_unregister(client_sock->osmo_fd);
-       client_sock->osmo_fd->fd = -1;
-       client_sock->osmo_fd->when = 0;
-       close(client_sock->osmo_fd->fd);
+       osmo_fd_unregister(&client_sock->osmo_fd);
+       client_sock->osmo_fd.fd = -1;
+       client_sock->osmo_fd.when = 0;
+       close(client_sock->osmo_fd.fd);
        talloc_free(client_sock->mcast_group);
-       talloc_free(client_sock->osmo_fd);
        talloc_free(client_sock);
 
 }
 void mcast_server_sock_close(struct mcast_server_sock *serv_sock)
 {
-       close(serv_sock->osmo_fd->fd);
+       close(serv_sock->osmo_fd.fd);
        talloc_free(serv_sock);
 }
 

-- 
To view, visit https://gerrit.osmocom.org/3232
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I11e0137849797eb67047b4ddca0e917c599ed909
Gerrit-PatchSet: 1
Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <[email protected]>

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