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daniel gerrit-no-reply at lists.osmocom.orgdaniel has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-sgsn/+/21883 ) Change subject: gbproxy: Add VTY command to override the node selection function ...................................................................... gbproxy: Add VTY command to override the node selection function This is mainly useful when testing SGSN pooling Change-Id: I2894320413dbd0b9aec9a9bc9b88ce7cdeed206b Related: SYS#5115, OS#4472 --- M src/gbproxy/gb_proxy_peer.c M src/gbproxy/gb_proxy_vty.c 2 files changed, 39 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/83/21883/1 diff --git a/src/gbproxy/gb_proxy_peer.c b/src/gbproxy/gb_proxy_peer.c index 3958de9..2c32587 100644 --- a/src/gbproxy/gb_proxy_peer.c +++ b/src/gbproxy/gb_proxy_peer.c @@ -507,9 +507,15 @@ { uint32_t i = 0; uint32_t index, num_sgsns; - struct gbproxy_sgsn *sgsn; OSMO_ASSERT(cfg); + struct gbproxy_sgsn *sgsn = cfg->pool.nsf_override; + + if (sgsn) { + LOGPSGSN(sgsn, LOGL_ERROR, "Node select function is overridden by config\n"); + return sgsn; + } + // TODO: We should keep track of count in cfg num_sgsns = llist_count(&cfg->sgsns); diff --git a/src/gbproxy/gb_proxy_vty.c b/src/gbproxy/gb_proxy_vty.c index adcdf70..bdf85e7 100644 --- a/src/gbproxy/gb_proxy_vty.c +++ b/src/gbproxy/gb_proxy_vty.c @@ -649,6 +649,36 @@ return CMD_SUCCESS; } +/* Only for ttcn3 testing */ +DEFUN_HIDDEN(sgsn_pool_nsf_fixed, sgsn_pool_nsf_fixed_cmd, + "sgsn-pool nsf fixed NAME", + "SGSN pooling: load balancing across multiple SGSNs.\n" + "Customize the Network Selection Function.\n" + "Set a fixed SGSN to use (for testing).\n" + "The name of the SGSN to use.\n") +{ + const char *name = argv[0]; + struct gbproxy_sgsn *sgsn = gbproxy_sgsn_by_name(g_cfg, name); + + if (!sgsn) { + vty_out(vty, "%% Could not find SGSN with name %s%s", name, VTY_NEWLINE); + return CMD_WARNING; + } + + g_cfg->pool.nsf_override = sgsn; + return CMD_SUCCESS; +} + +DEFUN_HIDDEN(sgsn_pool_nsf_normal, sgsn_pool_nsf_normal_cmd, + "sgsn-pool nsf normal", + "SGSN pooling: load balancing across multiple SGSNs.\n" + "Customize the Network Selection Function.\n" + "Reset the NSF back to regular operation (for testing).\n") +{ + g_cfg->pool.nsf_override = NULL; + return CMD_SUCCESS; +} + int gbproxy_vty_init(void) { install_element_ve(&show_gbproxy_bvc_cmd); @@ -660,6 +690,8 @@ install_element(ENABLE_NODE, &delete_gb_bvci_cmd); install_element(ENABLE_NODE, &delete_gb_nsei_cmd); + install_element(ENABLE_NODE, &sgsn_pool_nsf_fixed_cmd); + install_element(ENABLE_NODE, &sgsn_pool_nsf_normal_cmd); install_element(CONFIG_NODE, &cfg_gbproxy_cmd); install_node(&gbproxy_node, config_write_gbproxy); -- To view, visit https://gerrit.osmocom.org/c/osmo-sgsn/+/21883 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-sgsn Gerrit-Branch: master Gerrit-Change-Id: I2894320413dbd0b9aec9a9bc9b88ce7cdeed206b Gerrit-Change-Number: 21883 Gerrit-PatchSet: 1 Gerrit-Owner: daniel <dwillmann at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20201228/f7079b99/attachment.htm>