[PATCH] osmo-pcu[master]: Add pcu-socket vty config

[Pau Espin Pedrol]

Review at  https://gerrit.osmocom.org/3443

Add pcu-socket vty config

osmo-bts already supports configuring a different path for the bts<->pcu
socket by using the 'pcu-socket' config field.

Change-Id: I9b3e1171da467519750b201849ec892a1e318129
---
M src/bts.h
M src/osmobts_sock.cpp
M src/pcu_main.cpp
M src/pcu_vty.c
M src/pcu_vty.h
5 files changed, 27 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/43/3443/1

diff --git a/src/bts.h b/src/bts.h
index 25193f9..cff0020 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -233,6 +233,9 @@
         * period.
         */
        struct BTS *bts;
+
+       /* Path to be used for the pcu-bts socket */
+       char *pcu_sock_path;
 };
 
 #ifdef __cplusplus
diff --git a/src/osmobts_sock.cpp b/src/osmobts_sock.cpp
index d7e55e7..e9b85ab 100644
--- a/src/osmobts_sock.cpp
+++ b/src/osmobts_sock.cpp
@@ -223,6 +223,7 @@
        struct sockaddr_un local;
        unsigned int namelen;
        int rc;
+       struct gprs_rlcmac_bts *bts = bts_main_data();
 
        LOGP(DL1IF, LOGL_INFO, "Opening OsmoPCU L1 interface to OsmoBTS\n");
 
@@ -244,7 +245,7 @@
        }
 
        local.sun_family = AF_UNIX;
-       strncpy(local.sun_path, "/tmp/pcu_bts", sizeof(local.sun_path));
+       strncpy(local.sun_path, bts->pcu_sock_path, sizeof(local.sun_path));
        local.sun_path[sizeof(local.sun_path) - 1] = '\0';
 
        /* we use the same magic that X11 uses in Xtranssock.c for
diff --git a/src/pcu_main.cpp b/src/pcu_main.cpp
index b69e446..8e7cde8 100644
--- a/src/pcu_main.cpp
+++ b/src/pcu_main.cpp
@@ -216,6 +216,8 @@
         */
        bts->dl_arq_type = EGPRS_ARQ1;
 
+       bts->pcu_sock_path = talloc_strdup(tall_pcu_ctx, PCU_SOCK_DEFAULT);
+
        msgb_talloc_ctx_init(tall_pcu_ctx, 0);
 
        osmo_init_logging(&gprs_log_info);
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index cd22e38..0fc9db3 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -233,6 +233,8 @@
        if (bts->dl_tbf_idle_msec)
                vty_out(vty, " dl-tbf-idle-time %d%s", bts->dl_tbf_idle_msec,
                        VTY_NEWLINE);
+       if (strcmp(bts->pcu_sock_path, PCU_SOCK_DEFAULT))
+               vty_out(vty, " pcu-socket %s%s", bts->pcu_sock_path, 
VTY_NEWLINE);
 
        for (i = 0; i < 32; i++) {
                unsigned int cs = (1 << i);
@@ -966,6 +968,21 @@
        return CMD_SUCCESS;
 }
 
+DEFUN(cfg_pcu_sock, cfg_pcu_sock_cmd,
+       "pcu-socket PATH",
+       "Configure the osmo-bts PCU socket file/path name\n")
+{
+       struct gprs_rlcmac_bts *bts = bts_main_data();
+
+       if (bts->pcu_sock_path) {
+               /* FIXME: close the interface? */
+               talloc_free(bts->pcu_sock_path);
+       }
+       bts->pcu_sock_path = talloc_strdup(tall_pcu_ctx, argv[0]);
+       /* FIXME: re-open the interface? */
+
+       return CMD_SUCCESS;
+}
 
 DEFUN(show_tbf,
       show_tbf_cmd,
@@ -1096,6 +1113,7 @@
        install_element(PCU_NODE, &cfg_pcu_no_ms_idle_time_cmd);
        install_element(PCU_NODE, &cfg_pcu_gsmtap_categ_cmd);
        install_element(PCU_NODE, &cfg_pcu_no_gsmtap_categ_cmd);
+       install_element(PCU_NODE, &cfg_pcu_sock_cmd);
 
        install_element_ve(&show_bts_stats_cmd);
        install_element_ve(&show_tbf_cmd);
diff --git a/src/pcu_vty.h b/src/pcu_vty.h
index c00b882..09cd8cf 100644
--- a/src/pcu_vty.h
+++ b/src/pcu_vty.h
@@ -4,6 +4,8 @@
 #include <osmocom/vty/command.h>
 #include <osmocom/vty/vty.h>
 
+#define PCU_SOCK_DEFAULT      "/tmp/pcu_bts"
+
 enum pcu_vty_node {
        PCU_NODE = _LAST_OSMOVTY_NODE + 1,
 };

-- 
To view, visit https://gerrit.osmocom.org/3443
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I9b3e1171da467519750b201849ec892a1e318129
Gerrit-PatchSet: 1
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: Pau Espin Pedrol <pes...@sysmocom.de>