diff options
| author | Max <msuraev@sysmocom.de> | 2016-08-02 17:10:38 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2016-10-12 09:30:30 +0000 |
| commit | 727417dd28813c697b4820aef9f54f249e30c4b8 (patch) | |
| tree | 0ec264dd4b8272ec40837f5d92ee9f8d5a74911a /ggsn/ggsn.c | |
| parent | cd93f4f4be65d1378e9797a92186540c6400a2b4 (diff) | |
Add control interface
Only generation of TRAP messages over Control Interface is supported so
far.
Note: requires corresponding version of libosmoctrl.
Change-Id: Ia76f841d2c9cd14394e9316fcd39f4060e23c898
Related: OS#1646
Diffstat (limited to 'ggsn/ggsn.c')
| -rw-r--r-- | ggsn/ggsn.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index 6866901..9609d52 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -39,7 +39,7 @@ #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> - +#include <inttypes.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <net/if.h> @@ -48,6 +48,11 @@ #include <time.h> +#include <osmocom/core/select.h> +#include <osmocom/ctrl/control_if.h> +#include <osmocom/ctrl/control_cmd.h> +#include <osmocom/ctrl/ports.h> + #include "../lib/tun.h" #include "../lib/ippool.h" #include "../lib/syserr.h" @@ -131,6 +136,9 @@ int daemon(int nochdir, int noclose) int delete_context(struct pdp_t *pdp) { DEBUGP(DGGSN, "Deleting PDP context\n"); + struct ippoolm_t *member = pdp->peer; + char v[NAMESIZE]; + snprintf(v, sizeof(v), "%" PRIu64 ",%s", pdp->imsi, inet_ntoa(member->addr)); if (pdp->peer) ippool_freeip(ippool, (struct ippoolm_t *)pdp->peer); else @@ -141,6 +149,9 @@ int delete_context(struct pdp_t *pdp) "Cannot delete tunnel from kernel: %s\n", strerror(errno)); } +/* FIXME: naming? */ + if (ctrl_cmd_send_trap(gsn->ctrl, "imsi-rem-ip", v) < 0) + LOGP(DGGSN, LOGL_ERROR, "Trap creation failed.\n"); return 0; } @@ -149,6 +160,7 @@ int create_context_ind(struct pdp_t *pdp) { struct in_addr addr; struct ippoolm_t *member; + char v[NAMESIZE]; DEBUGP(DGGSN, "Received create PDP context request\n"); @@ -178,6 +190,13 @@ int create_context_ind(struct pdp_t *pdp) SYS_ERR(DGGSN, LOGL_ERROR, 0, "Cannot add tunnel to kernel: %s\n", strerror(errno)); } +/* FIXME: naming? */ + snprintf(v, sizeof(v), "%" PRIu64 ",%s", pdp->imsi, inet_ntoa(member->addr)); + if (ctrl_cmd_send_trap(gsn->ctrl, "imsi-ass-ip", v) < 0) { + LOGP(DGGSN, LOGL_ERROR, "Trap creation failed.\n"); + gtp_create_context_resp(gsn, pdp, GTPCAUSE_NO_RESOURCES); + return 0; + } gtp_create_context_resp(gsn, pdp, GTPCAUSE_ACC_REQ); return 0; /* Success */ @@ -526,6 +545,12 @@ int main(int argc, char **argv) gtp_set_cb_delete_context(gsn, delete_context); gtp_set_cb_create_context_ind(gsn, create_context_ind); + gsn->ctrl = ctrl_interface_setup(NULL, OSMO_CTRL_PORT_GGSN, NULL); + if (!gsn->ctrl) { + LOGP(DGGSN, LOGL_ERROR, "Failed to create CTRL interface.\n"); + exit(1); + } + /* skip the configuration of the tun0 if we're using the gtp0 device */ if (gtp_kernel_enabled()) goto skip_tun; @@ -597,6 +622,7 @@ skip_tun: if (FD_ISSET(gsn->fd1u, &fds)) gtp_decaps1u(gsn); + osmo_select_main(1); } err: gtp_kernel_stop(); |