Annotation of fwsync/driver/fwsync_workers.c, revision 1.4
1.1 misho 1: /*************************************************************************
2: * (C) 2022 CloudSigma AG - Sofia/Bulgaria
3: * by Michael Pounov <misho@elwix.org>
4: **************************************************************************/
5: #include "fwsync.h"
6:
7:
1.2 misho 8: void
1.3 misho 9: fwsync_sndpkt_handler(void *context, int pending)
1.1 misho 10: {
1.2 misho 11: struct fws_sndpkt *pkt;
12: struct mbuf *m2, *m;
1.1 misho 13: int e;
14:
15: DTRACE();
16:
1.2 misho 17: printf("pending=%d\n", pending);
18:
19: do {
20: mtx_lock(&fws_mtx_c);
21: pkt = TAILQ_FIRST(&fwsync_sndpkt);
1.4 ! misho 22: if (pkt)
! 23: TAILQ_REMOVE(&fwsync_sndpkt, pkt, sp_next);
1.2 misho 24: mtx_unlock(&fws_mtx_c);
25:
1.4 ! misho 26: if (!pkt) /* sending queue is empty */
! 27: break;
! 28:
! 29: if (!(fws_cfg.cfg.on & CFG_SYNC_COLLECTOR)) {
! 30: free(pkt, M_FWSYNC);
1.2 misho 31: continue;
1.4 ! misho 32: }
1.2 misho 33:
34: m = m_gethdr(M_NOWAIT, MT_DATA);
1.4 ! misho 35: if (!m) {
! 36: free(pkt, M_FWSYNC);
1.2 misho 37: continue;
1.4 ! misho 38: }
1.2 misho 39:
40: memcpy(mtod(m, struct fws_proto *), &pkt->sp_proto, sizeof pkt->sp_proto);
41: m->m_len = sizeof pkt->sp_proto;
42: m_fixhdr(m);
43:
1.1 misho 44: if ((fws_ctx.config & (CTX_COLLECTOR_2_ONLINE | CTX_COLLECTOR_2_READY)) ==
45: (CTX_COLLECTOR_2_ONLINE | CTX_COLLECTOR_2_READY)) {
46: m2 = m_copypacket(m, M_NOWAIT);
47: if (!m2) {
48: printf("error in copypacket for second collector\n");
49: goto out;
50: }
51: e = sosend(fws_ctx.sockz[CFG_SYNC_ADDR_COLLECTOR_2],
52: &fws_cfg.cfg_addr[CFG_SYNC_ADDR_COLLECTOR_2].addr, NULL,
53: m2, NULL, 0, curthread);
1.2 misho 54: if (e && e != EAGAIN)
1.1 misho 55: printf("error in collector %d handler #%d\n", CFG_SYNC_ADDR_COLLECTOR_2, e);
56: }
57:
58: if ((fws_ctx.config & (CTX_COLLECTOR_1_ONLINE | CTX_COLLECTOR_1_READY)) ==
59: (CTX_COLLECTOR_1_ONLINE | CTX_COLLECTOR_1_READY)) {
60: m2 = m_copypacket(m, M_NOWAIT);
61: if (!m2) {
62: printf("error in copypacket for first collector\n");
63: goto out;
64: }
65: e = sosend(fws_ctx.sockz[CFG_SYNC_ADDR_COLLECTOR_1],
66: &fws_cfg.cfg_addr[CFG_SYNC_ADDR_COLLECTOR_1].addr, NULL,
67: m2, NULL, 0, curthread);
1.2 misho 68: if (e && e != EAGAIN)
1.1 misho 69: printf("error in collector %d handler #%d\n", CFG_SYNC_ADDR_COLLECTOR_1, e);
70: }
71: out:
1.2 misho 72: m_freem(m);
1.4 ! misho 73: free(pkt, M_FWSYNC);
1.2 misho 74: } while (--pending);
1.1 misho 75: }
76:
77: int
1.4 ! misho 78: fwsync_state_handler(const void *arg)
1.1 misho 79: {
1.4 ! misho 80: const struct ipfw_flow_id *pkt = arg;
1.1 misho 81: struct fws_proto *spkt;
1.2 misho 82: struct fws_sndpkt *p;
1.1 misho 83:
84: DTRACE();
85:
1.4 ! misho 86: if (!pkt || pkt->addr_type == 1)
1.1 misho 87: return 0; /* skip ethernet packet */
88:
1.2 misho 89: mtx_lock(&fws_mtx_c);
90:
91: p = malloc(sizeof(struct fws_proto), M_FWSYNC, M_NOWAIT | M_ZERO);
92: if (!p) {
93: mtx_unlock(&fws_mtx_c);
94: return 0;
95: } else
96: spkt = &p->sp_proto;
1.1 misho 97:
98: spkt->fws_version = FWS_PKTVER_STATE;
99: spkt->fws_fib = pkt->fib;
100: spkt->fws_proto = pkt->proto;
101: spkt->fws_addrtype = pkt->addr_type;
102: spkt->fws_sport = pkt->src_port;
103: spkt->fws_dport = pkt->dst_port;
104:
105: switch (pkt->addr_type) {
106: case 4:
107: spkt->fws_saddr.s_addr = pkt->src_ip;
108: spkt->fws_daddr.s_addr = pkt->dst_ip;
109: spkt->fws_scopeid = 0;
110: break;
111: case 6:
112: memcpy(&spkt->fws_saddr6, &pkt->src_ip6, sizeof spkt->fws_saddr6);
113: memcpy(&spkt->fws_daddr6, &pkt->dst_ip6, sizeof spkt->fws_daddr6);
114: spkt->fws_scopeid = pkt->flow_id6;
115: break;
116: default:
1.2 misho 117: free(p, M_FWSYNC);
118: mtx_unlock(&fws_mtx_c);
119: return EINVAL;
1.1 misho 120: }
121:
1.2 misho 122: TAILQ_INSERT_TAIL(&fwsync_sndpkt, p, sp_next);
123:
124: mtx_unlock(&fws_mtx_c);
125:
126: taskqueue_enqueue(fws_tq, &fws_sndpkt_task);
1.1 misho 127: return 0;
128: }
129:
130: int
1.4 ! misho 131: fwsync_alias_handler(const void *arg)
1.1 misho 132: {
1.4 ! misho 133: const struct alias_link *lnk = arg;
! 134: struct fws_proto *spkt;
! 135: struct fws_sndpkt *p;
! 136:
1.1 misho 137: DTRACE();
138:
1.4 ! misho 139: if (!lnk || lnk->link_type >= IPPROTO_MAX)
! 140: return 0;
! 141:
! 142: mtx_lock(&fws_mtx_c);
! 143:
! 144: p = malloc(sizeof(struct fws_proto), M_FWSYNC, M_NOWAIT | M_ZERO);
! 145: if (!p) {
! 146: mtx_unlock(&fws_mtx_c);
! 147: return 0;
! 148: } else
! 149: spkt = &p->sp_proto;
! 150:
! 151: spkt->fws_version = FWS_PKTVER_ALIAS;
! 152: spkt->fws_proto = lnk->link_type;
! 153: spkt->fws_addrtype = 4;
! 154: spkt->fws_sport = lnk->src_port;
! 155: spkt->fws_dport = lnk->dst_port;
! 156: spkt->fws_aport = lnk->alias_port;
! 157: spkt->fws_pport = lnk->proxy_port;
! 158: spkt->fws_saddr.s_addr = lnk->src_addr.s_addr;
! 159: spkt->fws_daddr.s_addr = lnk->dst_addr.s_addr;
! 160: spkt->fws_aaddr.s_addr = lnk->alias_addr.s_addr;
! 161: spkt->fws_paddr.s_addr = lnk->proxy_addr.s_addr;
! 162:
! 163: TAILQ_INSERT_TAIL(&fwsync_sndpkt, p, sp_next);
! 164:
! 165: mtx_unlock(&fws_mtx_c);
! 166:
! 167: taskqueue_enqueue(fws_tq, &fws_sndpkt_task);
1.1 misho 168: return 0;
169: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to fwsync_workers.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / fwsync / driver