--- /dev/null
+/**
+ * Copyright 2017 Florian Forster
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Florian octo Forster <octo at collectd.org>
+ **/
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if !defined(__GNUC__) || !__GNUC__
+#define __attribute__(x) /**/
+#endif
+
+#include "collectd/lcc_features.h"
+#include "collectd/server.h"
+
+#include <arpa/inet.h>
+#include <endian.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <math.h>
+#include <net/if.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <stdio.h>
+#define DEBUG(...) printf(__VA_ARGS__)
+
+static _Bool is_multicast(struct addrinfo const *ai) {
+ if (ai->ai_family == AF_INET) {
+ struct sockaddr_in *addr = (struct sockaddr_in *)ai->ai_addr;
+ return IN_MULTICAST(ntohl(addr->sin_addr.s_addr));
+ } else if (ai->ai_family == AF_INET6) {
+ struct sockaddr_in6 *addr = (struct sockaddr_in6 *)ai->ai_addr;
+ return IN6_IS_ADDR_MULTICAST(&addr->sin6_addr);
+ }
+ return 0;
+}
+
+static int server_multicast_join(lcc_listener_t *srv,
+ struct sockaddr_storage *group, int loop_back,
+ int ttl) {
+ if (group->ss_family == AF_INET) {
+ struct sockaddr_in *sa = (struct sockaddr_in *)group;
+
+ int status = setsockopt(srv->conn, IPPROTO_IP, IP_MULTICAST_LOOP,
+ &loop_back, sizeof(loop_back));
+ if (status == -1) {
+ DEBUG("setsockopt(IP_MULTICAST_LOOP, %d) = %d\n", loop_back, errno);
+ return errno;
+ }
+
+ status =
+ setsockopt(srv->conn, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl));
+ if (status == -1)
+ return errno;
+
+#if HAVE_STRUCT_IP_MREQN_IMR_IFINDEX
+ struct ip_mreqn mreq = {
+ .imr_address.s_addr = INADDR_ANY,
+ .imr_multiaddr.s_addr = sa->sin_addr.s_addr,
+ .imr_ifindex = if_nametoindex(srv->interface),
+ };
+#else
+ struct ip_mreq mreq = {
+ .imr_address.s_addr = INADDR_ANY, .imr_multiaddr.s_addr = sa->s_addr,
+ };
+#endif
+ status = setsockopt(srv->conn, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq,
+ sizeof(mreq));
+ if (status == -1)
+ return errno;
+ } else if (group->ss_family == AF_INET6) {
+ struct sockaddr_in6 *sa = (struct sockaddr_in6 *)group;
+
+ int status = setsockopt(srv->conn, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
+ &loop_back, sizeof(loop_back));
+ if (status == -1)
+ return errno;
+
+ status = setsockopt(srv->conn, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl,
+ sizeof(ttl));
+ if (status == -1)
+ return errno;
+
+ struct ipv6_mreq mreq6 = {
+ .ipv6mr_interface = if_nametoindex(srv->interface),
+ };
+ memcpy(&mreq6.ipv6mr_multiaddr, &sa->sin6_addr, sizeof(struct in6_addr));
+
+ status = setsockopt(srv->conn, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6,
+ sizeof(mreq6));
+ if (status == -1)
+ return errno;
+ } else {
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+static int server_bind_socket(lcc_listener_t *srv, struct addrinfo const *ai) {
+ /* allow multiple sockets to use the same PORT number */
+ if (setsockopt(srv->conn, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) ==
+ -1) {
+ return errno;
+ }
+
+ if (bind(srv->conn, ai->ai_addr, ai->ai_addrlen) == -1) {
+ return -1;
+ }
+
+ if (is_multicast(ai)) {
+ int status = server_multicast_join(srv, (void *)ai->ai_addr, /* loop = */ 1,
+ /* ttl = */ 16);
+ if (status != 0)
+ return status;
+ }
+
+ return 0;
+}
+
+static int server_open(lcc_listener_t *srv) {
+ struct addrinfo *res = NULL;
+ int status = getaddrinfo(srv->node ? srv->node : "::",
+ srv->service ? srv->service : LCC_DEFAULT_PORT,
+ &(struct addrinfo){
+ .ai_flags = AI_ADDRCONFIG,
+ .ai_family = AF_UNSPEC,
+ .ai_socktype = SOCK_DGRAM,
+ },
+ &res);
+ if (status != 0)
+ return status;
+
+ for (struct addrinfo *ai = res; ai != NULL; ai = ai->ai_next) {
+ srv->conn = socket(ai->ai_family, ai->ai_socktype, 0);
+ if (srv->conn == -1)
+ continue;
+
+ status = server_bind_socket(srv, ai);
+ if (status != 0) {
+ close(srv->conn);
+ srv->conn = -1;
+ continue;
+ }
+
+ break;
+ }
+
+ freeaddrinfo(res);
+
+ if (srv->conn >= 0)
+ return 0;
+ return status != 0 ? status : -1;
+}
+
+int lcc_listen_and_write(lcc_listener_t srv) {
+ _Bool close_socket = 0;
+
+ if (srv.conn < 0) {
+ int status = server_open(&srv);
+ if (status != 0)
+ return status;
+ close_socket = 1;
+ }
+
+ if (srv.buffer_size == 0)
+ /* TODO(octo): this should be a define. */
+ srv.buffer_size = 1452;
+
+ int ret = 0;
+ while (42) {
+ char buffer[srv.buffer_size];
+ ssize_t len = recv(srv.conn, buffer, sizeof(buffer), /* flags = */ 0);
+ if (len == -1) {
+ ret = errno;
+ break;
+ } else if (len == 0) {
+ break;
+ }
+
+ /* TODO(octo): implement parse(). */
+ (void)lcc_network_parse(buffer, (size_t)len, srv.writer);
+ }
+
+ if (close_socket) {
+ close(srv.conn);
+ srv.conn = -1;
+ }
+
+ return ret;
+}
+
+typedef struct {
+ uint8_t *data;
+ size_t len;
+} buffer_t;
+
+static int buffer_next(buffer_t *b, void *out, size_t n) {
+ if (b->len < n) {
+ return -1;
+ }
+ memmove(out, b->data, n);
+
+ b->data += n;
+ b->len -= n;
+
+ return 0;
+}
+
+static int buffer_uint16(buffer_t *b, uint16_t *out) {
+ uint16_t tmp;
+ if (buffer_next(b, &tmp, sizeof(tmp)) != 0)
+ return -1;
+
+ *out = be16toh(tmp);
+ return 0;
+}
+
+#define TYPE_HOST 0x0000
+#define TYPE_TIME 0x0001
+#define TYPE_TIME_HR 0x0008
+#define TYPE_PLUGIN 0x0002
+#define TYPE_PLUGIN_INSTANCE 0x0003
+#define TYPE_TYPE 0x0004
+#define TYPE_TYPE_INSTANCE 0x0005
+#define TYPE_VALUES 0x0006
+#define TYPE_INTERVAL 0x0007
+#define TYPE_INTERVAL_HR 0x0009
+
+static int parse_int(void *payload, size_t payload_size, uint64_t *out) {
+ uint64_t tmp;
+
+ if (payload_size != sizeof(tmp))
+ return EINVAL;
+
+ memmove(&tmp, payload, sizeof(tmp));
+ *out = be64toh(tmp);
+ return 0;
+}
+
+static int parse_string(void *payload, size_t payload_size, char *out,
+ size_t out_size) {
+ char *in = payload;
+
+ if ((payload_size < 1) || (in[payload_size - 1] != 0) ||
+ (payload_size > out_size))
+ return EINVAL;
+
+ strncpy(out, in, out_size);
+ return 0;
+}
+
+static int parse_identifier(uint16_t type, void *payload, size_t payload_size,
+ lcc_value_list_t *state) {
+ char buf[LCC_NAME_LEN];
+
+ if (parse_string(payload, payload_size, buf, sizeof(buf)) != 0)
+ return EINVAL;
+
+ switch (type) {
+ case TYPE_HOST:
+ memmove(state->identifier.host, buf, LCC_NAME_LEN);
+ break;
+ case TYPE_PLUGIN:
+ memmove(state->identifier.plugin, buf, LCC_NAME_LEN);
+ break;
+ case TYPE_PLUGIN_INSTANCE:
+ memmove(state->identifier.plugin_instance, buf, LCC_NAME_LEN);
+ break;
+ case TYPE_TYPE:
+ memmove(state->identifier.type, buf, LCC_NAME_LEN);
+ break;
+ case TYPE_TYPE_INSTANCE:
+ memmove(state->identifier.type_instance, buf, LCC_NAME_LEN);
+ break;
+ default:
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+static int parse_time(uint16_t type, void *payload, size_t payload_size,
+ lcc_value_list_t *state) {
+ uint64_t tmp = 0;
+ if (parse_int(payload, payload_size, &tmp))
+ return EINVAL;
+
+ double t = (double)tmp;
+ switch (type) {
+ case TYPE_INTERVAL:
+ state->interval = t;
+ break;
+ case TYPE_INTERVAL_HR:
+ state->interval = t / 1073741824.0;
+ break;
+ case TYPE_TIME:
+ state->time = t;
+ break;
+ case TYPE_TIME_HR:
+ state->time = t / 1073741824.0;
+ break;
+ default:
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+static double ntohd(double val) /* {{{ */
+{
+ static int config = 0;
+
+ union {
+ uint8_t byte[8];
+ double floating;
+ } in = {
+ .floating = val,
+ };
+ union {
+ uint8_t byte[8];
+ double floating;
+ } out = {
+ .byte = {0},
+ };
+
+ if (config == 0) {
+ double d = 8.642135e130;
+ uint8_t b[8];
+
+ memcpy(b, &d, sizeof(b));
+
+ if ((b[0] == 0x2f) && (b[1] == 0x25) && (b[2] == 0xc0) && (b[3] == 0xc7) &&
+ (b[4] == 0x43) && (b[5] == 0x2b) && (b[6] == 0x1f) && (b[7] == 0x5b))
+ config = 1; /* need nothing */
+ else if ((b[7] == 0x2f) && (b[6] == 0x25) && (b[5] == 0xc0) &&
+ (b[4] == 0xc7) && (b[3] == 0x43) && (b[2] == 0x2b) &&
+ (b[1] == 0x1f) && (b[0] == 0x5b))
+ config = 2; /* endian flip */
+ else if ((b[4] == 0x2f) && (b[5] == 0x25) && (b[6] == 0xc0) &&
+ (b[7] == 0xc7) && (b[0] == 0x43) && (b[1] == 0x2b) &&
+ (b[2] == 0x1f) && (b[3] == 0x5b))
+ config = 3; /* int swap */
+ else
+ config = 4;
+ }
+
+ if (memcmp((char[]){0, 0, 0, 0, 0, 0, 0xf8, 0x7f}, in.byte, 8) == 0) {
+ return NAN;
+ } else if (config == 1) {
+ return val;
+ } else if (config == 2) {
+ in.floating = val;
+ out.byte[0] = in.byte[7];
+ out.byte[1] = in.byte[6];
+ out.byte[2] = in.byte[5];
+ out.byte[3] = in.byte[4];
+ out.byte[4] = in.byte[3];
+ out.byte[5] = in.byte[2];
+ out.byte[6] = in.byte[1];
+ out.byte[7] = in.byte[0];
+ return (out.floating);
+ } else if (config == 3) {
+ in.floating = val;
+ out.byte[0] = in.byte[4];
+ out.byte[1] = in.byte[5];
+ out.byte[2] = in.byte[6];
+ out.byte[3] = in.byte[7];
+ out.byte[4] = in.byte[0];
+ out.byte[5] = in.byte[1];
+ out.byte[6] = in.byte[2];
+ out.byte[7] = in.byte[3];
+ return out.floating;
+ } else {
+ /* If in doubt, just copy the value back to the caller. */
+ return val;
+ }
+} /* }}} double ntohd */
+
+static int parse_values(void *payload, size_t payload_size,
+ lcc_value_list_t *state) {
+ buffer_t *b = &(buffer_t){
+ .data = payload, .len = payload_size,
+ };
+
+ uint16_t n;
+ if (buffer_uint16(b, &n))
+ return EINVAL;
+
+ if (((size_t)n * 9) != b->len)
+ return EINVAL;
+
+ state->values_len = (size_t)n;
+ state->values = calloc(sizeof(*state->values), state->values_len);
+ state->values_types = calloc(sizeof(*state->values_types), state->values_len);
+ if ((state->values == NULL) || (state->values_types == NULL)) {
+ free(state->values);
+ free(state->values_types);
+ return ENOMEM;
+ }
+
+ for (uint16_t i = 0; i < n; i++) {
+ uint8_t tmp;
+ if (buffer_next(b, &tmp, sizeof(tmp)))
+ return EINVAL;
+ state->values_types[i] = (int)tmp;
+ }
+
+ for (uint16_t i = 0; i < n; i++) {
+ uint64_t tmp;
+ if (buffer_next(b, &tmp, sizeof(tmp)))
+ return EINVAL;
+
+ if (state->values_types[i] == LCC_TYPE_GAUGE) {
+ union {
+ uint64_t i;
+ double d;
+ } conv = {.i = tmp};
+ state->values[i].gauge = ntohd(conv.d);
+ continue;
+ }
+
+ tmp = be64toh(tmp);
+ switch (state->values_types[i]) {
+ case LCC_TYPE_COUNTER:
+ state->values[i].counter = (counter_t)tmp;
+ break;
+ case LCC_TYPE_DERIVE:
+ state->values[i].derive = (derive_t)tmp;
+ break;
+ case LCC_TYPE_ABSOLUTE:
+ state->values[i].absolute = (absolute_t)tmp;
+ break;
+ default:
+ return EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+int lcc_network_parse(void *data, size_t data_size, lcc_value_list_writer_t w) {
+ buffer_t *b = &(buffer_t){
+ .data = data, .len = data_size,
+ };
+
+ lcc_value_list_t state = {0};
+
+ while (b->len > 0) {
+ uint16_t type = 0, sz = 0;
+ if (buffer_uint16(b, &type) || buffer_uint16(b, &sz)) {
+ DEBUG("lcc_network_parse(): reading type and/or length failed.\n");
+ return EINVAL;
+ }
+
+ if ((sz < 5) || (((size_t)sz - 4) > b->len)) {
+ DEBUG("lcc_network_parse(): invalid 'sz' field: sz = %" PRIu16
+ ", b->len = %zu\n",
+ sz, b->len);
+ return EINVAL;
+ }
+ sz -= 4;
+
+ uint8_t payload[sz];
+ if (buffer_next(b, payload, sizeof(payload)))
+ return EINVAL;
+
+ switch (type) {
+ case TYPE_HOST:
+ case TYPE_PLUGIN:
+ case TYPE_PLUGIN_INSTANCE:
+ case TYPE_TYPE:
+ case TYPE_TYPE_INSTANCE: {
+ if (parse_identifier(type, payload, sizeof(payload), &state)) {
+ DEBUG("lcc_network_parse(): parse_identifier failed.\n");
+ return EINVAL;
+ }
+ break;
+ }
+
+ case TYPE_INTERVAL:
+ case TYPE_INTERVAL_HR:
+ case TYPE_TIME:
+ case TYPE_TIME_HR: {
+ if (parse_time(type, payload, sizeof(payload), &state)) {
+ DEBUG("lcc_network_parse(): parse_time failed.\n");
+ return EINVAL;
+ }
+ break;
+ }
+
+ case TYPE_VALUES: {
+ lcc_value_list_t vl = state;
+ if (parse_values(payload, sizeof(payload), &vl)) {
+ DEBUG("lcc_network_parse(): parse_values failed.\n");
+ return EINVAL;
+ }
+
+ /* TODO(octo): skip if current_security_level < required_security_level */
+
+ int status = w(&vl);
+
+ free(vl.values);
+ free(vl.values_types);
+
+ if (status != 0)
+ return status;
+ break;
+ }
+
+ default: {
+ DEBUG("lcc_network_parse(): ignoring unknown type %" PRIu16 "\n", type);
+ return EINVAL;
+ }
+ }
+ }
+
+ return 0;
+}
--- /dev/null
+/**
+ * Copyright 2017 Florian Forster
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Florian octo Forster <octo at collectd.org>
+ **/
+
+#include "collectd/lcc_features.h"
+
+#include "collectd/network_buffer.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "server.c" /* sic */
+
+char *raw_packet_data[] = {
+ "0000000e6c6f63616c686f7374000008000c1513676ac3a6e0970009000c00000002800000"
+ "000002000973776170000004000973776170000005000966726565000006000f0001010000"
+ "0080ff610f420008000c1513676ac3a8fc120004000c737761705f696f0000050007696e00"
+ "0006000f00010200000000000000000008000c1513676ac3a9077d000500086f7574000006"
+ "000f00010200000000000000000008000c1513676ac3bd2a8c0002000e696e746572666163"
+ "65000003000965746830000004000e69665f6f637465747300000500050000060018000202"
+ "02000000000000000000000000000000000008000c1513676ac3bd5a970004000e69665f65"
+ "72726f7273000006001800020202000000000000000000000000000000000008000c151367"
+ "6ac3bd7fea000300076c6f000004000e69665f6f6374657473000006001800020202000000"
+ "000009e79c000000000009e79c0008000c1513676ac3bdaae60003000a776c616e30000006"
+ "001800020202000000001009fa5400000000011cf6670008000c1513676ac3bdb0e0000400"
+ "0e69665f6572726f7273000006001800020202000000000000000000000000000000000008"
+ "000c1513676ac3bd3d6d0003000965746830000004000f69665f7061636b65747300000600"
+ "1800020202000000000000000000000000000000000008000c1513676ac3bdae290003000a"
+ "776c616e300000060018000202020000000000032f8f00000000000205e50008000c151367"
+ "6ac3bdbb7b0003000c646f636b657230000006001800020202000000000000000000000000"
+ "000000000008000c1513676ac3bda0db000300076c6f000004000e69665f6572726f727300"
+ "0006001800020202000000000000000000000000000000000008000c1513676ac3bdbde800"
+ "03000c646f636b657230000006001800020202000000000000000000000000000000000008"
+ "000c1513676ac3bd8d8e000300076c6f000004000f69665f7061636b657473000006001800"
+ "0202020000000000000c9c0000000000000c9c0008000c1513676ac3bdb90b0003000c646f"
+ "636b657230000004000e69665f6f6374657473000006001800020202000000000000000000"
+ "000000000000000008000c1513676ac469b10f0002000e70726f6365737365730000030005"
+ "000004000d70735f7374617465000005000c7a6f6d62696573000006000f00010100000000"
+ "000000000008000c1513676ac469a4a30005000d736c656570696e67000006000f00010100"
+ "00000000006e400008000c1513676ac469c6320005000b706167696e67000006000f000101"
+ "00000000000000000008000c1513676ac469f06e0005000c626c6f636b6564000006000f00"
+ "010100000000000000000008000c1513676ac4698af40005000c72756e6e696e6700000600"
+ "0f00010100000000000000000008000c1513676ac469bbe10005000c73746f707065640000"
+ "06000f00010100000000000000000008000c1513676ac46b8e710004000e666f726b5f7261"
+ "74650000050005000006000f0001020000000000001bcf0008000c1513676d437f12960002"
+ "00086370750000030006300000040008637075000005000b73797374656d000006000f0001"
+ "0200000000000021870008000c1513676d437f36020005000969646c65000006000f000102"
+ "000000000005847a0008000c1513676d437f979b0005000977616974000006000f00010200"
+ "000000000005210008000c1513676d43802ff60005000c736f6674697271000006000f0001"
+ "02000000000000001f0008000c1513676d43803b3a0005000a737465616c000006000f0001"
+ "020000000000000000",
+ "0000000e6c6f63616c686f7374000008000c1513676d4380551f0009000c00000002800000"
+ "00000200086370750000030006310000040008637075000005000975736572000006000f00"
+ "01020000000000007cad0008000c1513676d43805dbe000500096e696365000006000f0001"
+ "0200000000000001de0008000c1513676d4380697d0005000b73797374656d000006000f00"
+ "01020000000000001ce80008000c1513676d438072bd0005000969646c65000006000f0001"
+ "02000000000005931c0008000c1513676d43807c430005000977616974000006000f000102"
+ "000000000000094b0008000c1513676d43808cee0005000c736f6674697271000006000f00"
+ "010200000000000000120008000c1513676d4380843a0005000e696e746572727570740000"
+ "06000f00010200000000000000000008000c1513676d438096230005000a737465616c0000"
+ "06000f00010200000000000000000008000c1513676d4380aa9c0003000632000005000975"
+ "736572000006000f00010200000000000089580008000c1513676d4380b29f000500096e69"
+ "6365000006000f00010200000000000003610008000c1513676d4380c44c0005000969646c"
+ "65000006000f000102000000000005873d0008000c1513676d4380bc0f0005000b73797374"
+ "656d000006000f000102000000000000201d0008000c1513676d4380cea400050009776169"
+ "74000006000f00010200000000000005810008000c1513676d4380d7370005000e696e7465"
+ "7272757074000006000f00010200000000000000000008000c1513676d4380ea830005000a"
+ "737465616c000006000f00010200000000000000000008000c1513676d437eef6200030006"
+ "3000000500096e696365000006000f00010200000000000003920008000c1513676d4380e0"
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+ "000070fbc8410008000c1513676d43dd48700005000b636163686564000006000f00010100"
+ "000000c008df410008000c1513676d43dd51c60005000966726565000006000f0001010000"
+ "0080481d05420008000c1513676d43dec7e300020009737761700000040009737761700000"
+ "05000975736564000006000f00010100000000000000000008000c1513676d43ded4490005"
+ "000966726565000006000f00010100000080ff610f420008000c1513676d43dedcfd000500"
+ "0b636163686564000006000f00010100000000000000000008000c1513676d43d715e30002"
+ "0008697271000004000869727100000500073434000006000f0001020000000000031b6100"
+ "08000c1513676d43d73116000500073435000006000f00010200000000000000180008000c"
+ "1513676d43ee00150002000973776170000004000c737761705f696f0000050007696e0000"
+ "06000f0001020000000000000000",
+};
+
+static int decode_string(char const *in, uint8_t *out, size_t *out_size) {
+ size_t in_size = strlen(in);
+ if (*out_size < (in_size / 2))
+ return -1;
+ *out_size = in_size / 2;
+
+ for (size_t i = 0; i < *out_size; i++) {
+ char tmp[] = {in[2 * i], in[2 * i + 1], 0};
+ out[i] = (uint8_t)strtoul(tmp, NULL, 16);
+ }
+
+ return 0;
+}
+
+static int nop_writer(lcc_value_list_t const *vl) {
+ if (!strlen(vl->identifier.host) || !strlen(vl->identifier.plugin) ||
+ !strlen(vl->identifier.type)) {
+ return EINVAL;
+ }
+ return 0;
+}
+
+static int test_network_parse() {
+ int ret = 0;
+
+ for (size_t i = 0; i < sizeof(raw_packet_data) / sizeof(raw_packet_data[0]);
+ i++) {
+ uint8_t buffer[LCC_NETWORK_BUFFER_SIZE_DEFAULT];
+ size_t buffer_size = sizeof(buffer);
+ if (decode_string(raw_packet_data[i], buffer, &buffer_size)) {
+ fprintf(
+ stderr,
+ "lcc_network_parse(raw_packet_data[%zu]): decoding string failed\n",
+ i);
+ return -1;
+ }
+
+ int status = lcc_network_parse(buffer, buffer_size, nop_writer);
+ if (status != 0) {
+ fprintf(stderr, "lcc_network_parse(raw_packet_data[%zu]) = %d, want 0\n",
+ i, status);
+ ret = status;
+ }
+
+ printf("ok - lcc_network_parse(raw_packet_data[%zu])\n", i);
+ }
+
+ return ret;
+}
+
+static int test_parse_time() {
+ int ret = 0;
+
+ struct {
+ uint64_t in;
+ double want;
+ } cases[] = {
+ {1439980823, 1439980823.0},
+ {1439981005, 1439981005.0},
+ {1439981150, 1439981150.0},
+ };
+
+ for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
+ lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
+
+ uint64_t be = htobe64(cases[i].in);
+ int status = parse_time(TYPE_TIME, &be, sizeof(be), &vl);
+ if ((status != 0) || (vl.time != cases[i].want)) {
+ fprintf(stderr, "parse_time(%" PRIu64 ") = (%.0f, %d), want (%.0f, 0)\n",
+ cases[i].in, vl.time, status, cases[i].want);
+ ret = -1;
+ }
+ }
+
+ struct {
+ uint64_t in;
+ double want;
+ } cases_hr[] = {
+ {1546167635576736987, 1439980823.152453627},
+ {1546167831554815222, 1439981005.671262017},
+ {1546167986577716567, 1439981150.047589622},
+ };
+
+ for (size_t i = 0; i < sizeof(cases_hr) / sizeof(cases_hr[0]); i++) {
+ lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
+
+ uint64_t be = htobe64(cases_hr[i].in);
+ int status = parse_time(TYPE_TIME_HR, &be, sizeof(be), &vl);
+ if ((status != 0) || (vl.time != cases_hr[i].want)) {
+ fprintf(stderr, "parse_time(%" PRIu64 ") = (%.9f, %d), want (%.9f, 0)\n",
+ cases_hr[i].in, vl.time, status, cases_hr[i].want);
+ ret = -1;
+ }
+ }
+
+ return ret;
+}
+
+static int test_parse_string() {
+ int ret = 0;
+
+ struct {
+ uint8_t *in;
+ size_t in_len;
+ char *want;
+ } cases[] = {
+ {(uint8_t[]){0}, 1, ""},
+ {(uint8_t[]){'t', 'e', 's', 't', 0}, 5, "test"},
+ {(uint8_t[]){'t', 'e', 's', 't'}, 4, NULL}, // null byte missing
+ {(uint8_t[]){'t', 'e', 's', 't', 'x', 0}, 6,
+ NULL}, // output buffer too small
+ };
+
+ for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
+ char got[5] = {0};
+
+ int status = parse_string(cases[i].in, cases[i].in_len, got, sizeof(got));
+ if (cases[i].want == NULL) {
+ if (status == 0) {
+ fprintf(stderr, "parse_string() = (\"%s\", 0), want error\n", got);
+ ret = -1;
+ }
+ } else /* if cases[i].want != NULL */ {
+ if (status != 0) {
+ fprintf(stderr, "parse_string() = %d, want 0\n", status);
+ ret = -1;
+ } else if (strcmp(got, cases[i].want) != 0) {
+ fprintf(stderr, "parse_string() = (\"%s\", 0), want (\"%s\", 0)\n", got,
+ cases[i].want);
+ ret = -1;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static int test_parse_values() {
+ int ret = 0;
+
+ uint8_t testcase[] = {
+ // 0, 6, // pkg type
+ // 0, 33, // pkg len
+ 0, 3, // num values
+ 1, 2, 1, // gauge, derive, gauge
+ 0, 0, 0, 0, 0, 0, 0x45, 0x40, // 42.0
+ 0, 0, 0, 0, 0, 0, 0x7a, 0x69, // 31337
+ 0, 0, 0, 0, 0, 0, 0xf8, 0x7f, // NaN
+ };
+
+ lcc_value_list_t vl = LCC_VALUE_LIST_INIT;
+ int status = parse_values(testcase, sizeof(testcase), &vl);
+ if (status != 0) {
+ fprintf(stderr, "parse_values() = %d, want 0\n", status);
+ return -1;
+ }
+
+ if (vl.values_len != 3) {
+ fprintf(stderr, "parse_values(): vl.values_len = %zu, want 3\n",
+ vl.values_len);
+ return -1;
+ }
+
+ int want_types[] = {LCC_TYPE_GAUGE, LCC_TYPE_DERIVE, LCC_TYPE_GAUGE};
+ for (size_t i = 0; i < sizeof(want_types) / sizeof(want_types[0]); i++) {
+ if (vl.values_types[i] != want_types[i]) {
+ fprintf(stderr, "parse_values(): vl.values_types[%zu] = %d, want %d\n", i,
+ vl.values_types[i], want_types[i]);
+ ret = -1;
+ }
+ }
+
+ if (vl.values[0].gauge != 42.0) {
+ fprintf(stderr, "parse_values(): vl.values[0] = %g, want 42\n",
+ vl.values[0].gauge);
+ ret = -1;
+ }
+ if (vl.values[1].derive != 31337) {
+ fprintf(stderr, "parse_values(): vl.values[1] = %" PRIu64 ", want 31337\n",
+ vl.values[1].derive);
+ ret = -1;
+ }
+ if (!isnan(vl.values[2].gauge)) {
+ fprintf(stderr, "parse_values(): vl.values[2] = %g, want NaN\n",
+ vl.values[2].gauge);
+ ret = -1;
+ }
+
+ free(vl.values);
+ free(vl.values_types);
+
+ return ret;
+}
+
+int main(void) {
+ int ret = 0;
+
+ printf("libcollectdclient/server_test.c\n");
+
+ int status;
+ if ((status = test_network_parse())) {
+ ret = status;
+ }
+ if ((status = test_parse_time())) {
+ ret = status;
+ }
+ if ((status = test_parse_string())) {
+ ret = status;
+ }
+ if ((status = test_parse_values())) {
+ ret = status;
+ }
+
+ return ret;
+}
projects / collectd.git / commitdiff