Jouni Malinen | cd4e3c3 | 2015-10-29 12:39:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Sigma Control API DUT (station/AP) |
| 3 | * Copyright (c) 2010, Atheros Communications, Inc. |
| 4 | * Copyright (c) 2011-2013, Qualcomm Atheros, Inc. |
| 5 | * All Rights Reserved. |
| 6 | * Licensed under the Clear BSD license. See README for more details. |
| 7 | */ |
| 8 | |
| 9 | #include "sigma_dut.h" |
| 10 | #include <sys/types.h> |
| 11 | #include <sys/stat.h> |
| 12 | #include <fcntl.h> |
| 13 | #include <signal.h> |
| 14 | #include <ctype.h> |
| 15 | |
| 16 | #ifdef ANDROID |
| 17 | #define SHELL "/system/bin/sh" |
| 18 | #else /* ANDROID */ |
| 19 | #define SHELL "/bin/sh" |
| 20 | #endif /* ANDROID */ |
| 21 | |
| 22 | |
| 23 | static int is_ipv6_addr(const char *str) |
| 24 | { |
| 25 | const char *pos = str; |
| 26 | |
| 27 | while (*pos) { |
| 28 | if (*pos != ':' && (*pos < '0' || *pos > '9') && |
| 29 | (*pos < 'a' || *pos > 'f') && |
| 30 | (*pos < 'A' || *pos > 'F')) |
| 31 | return 0; |
| 32 | pos++; |
| 33 | } |
| 34 | |
| 35 | return 1; |
| 36 | } |
| 37 | |
| 38 | |
| 39 | static int cmd_traffic_send_ping(struct sigma_dut *dut, |
| 40 | struct sigma_conn *conn, |
| 41 | struct sigma_cmd *cmd) |
| 42 | { |
| 43 | const char *dst, *val; |
| 44 | int size, dur, pkts; |
| 45 | int id; |
| 46 | char resp[100]; |
| 47 | float interval; |
| 48 | double rate; |
| 49 | FILE *f; |
| 50 | char buf[100]; |
| 51 | int type = 1; |
| 52 | int dscp = 0, use_dscp = 0; |
| 53 | char extra[100], int_arg[100]; |
| 54 | |
| 55 | val = get_param(cmd, "Type"); |
| 56 | if (!val) |
| 57 | val = get_param(cmd, "IPType"); |
| 58 | if (val) |
| 59 | type = atoi(val); |
| 60 | if (type != 1 && type != 2) { |
| 61 | send_resp(dut, conn, SIGMA_ERROR, |
| 62 | "ErrorCode,Unsupported address type"); |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | dst = get_param(cmd, "destination"); |
| 67 | if (dst == NULL || (type == 1 && !is_ip_addr(dst)) || |
| 68 | (type == 2 && !is_ipv6_addr(dst))) |
| 69 | return -1; |
| 70 | |
| 71 | val = get_param(cmd, "frameSize"); |
| 72 | if (val == NULL) |
| 73 | return -1; |
| 74 | size = atoi(val); |
| 75 | |
| 76 | val = get_param(cmd, "frameRate"); |
| 77 | if (val == NULL) |
| 78 | return -1; |
| 79 | rate = atof(val); |
| 80 | if (rate <= 0) |
| 81 | return -1; |
| 82 | |
| 83 | val = get_param(cmd, "duration"); |
| 84 | if (val == NULL) |
| 85 | return -1; |
| 86 | dur = atoi(val); |
| 87 | if (dur <= 0) |
| 88 | dur = 3600; |
| 89 | |
| 90 | pkts = dur * rate; |
| 91 | interval = (float) 1 / rate; |
| 92 | if (interval > 100000) |
| 93 | return -1; |
| 94 | |
| 95 | val = get_param(cmd, "DSCP"); |
| 96 | if (val) { |
| 97 | dscp = atoi(val); |
| 98 | if (dscp < 0 || dscp > 63) { |
| 99 | send_resp(dut, conn, SIGMA_ERROR, |
| 100 | "ErrorCode,Invalid DSCP value"); |
| 101 | return 0; |
| 102 | } |
| 103 | use_dscp = 1; |
| 104 | } |
| 105 | |
| 106 | id = dut->next_streamid++; |
| 107 | snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping.%d", id); |
| 108 | unlink(buf); |
| 109 | snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping-pid.%d", id); |
| 110 | unlink(buf); |
| 111 | |
| 112 | sigma_dut_print(dut, DUT_MSG_DEBUG, "Send ping: pkts=%d interval=%f " |
| 113 | "streamid=%d", |
| 114 | pkts, interval, id); |
| 115 | |
| 116 | f = fopen(SIGMA_TMPDIR "/sigma_dut-ping.sh", "w"); |
| 117 | if (f == NULL) |
| 118 | return -2; |
| 119 | |
| 120 | extra[0] = '\0'; |
| 121 | if (use_dscp) { |
| 122 | snprintf(extra, sizeof(extra), " -Q 0x%02x", |
| 123 | dscp << 2); |
| 124 | } |
| 125 | |
| 126 | int_arg[0] = '\0'; |
| 127 | if (rate != 1) |
| 128 | snprintf(int_arg, sizeof(int_arg), " -i %f", interval); |
| 129 | fprintf(f, "#!" SHELL "\n" |
| 130 | "ping%s -c %d%s -s %d%s -q %s > " SIGMA_TMPDIR |
| 131 | "/sigma_dut-ping.%d &\n" |
| 132 | "echo $! > " SIGMA_TMPDIR "/sigma_dut-ping-pid.%d\n", |
| 133 | type == 2 ? "6" : "", pkts, int_arg, size, extra, dst, id, id); |
| 134 | |
| 135 | fclose(f); |
| 136 | if (chmod(SIGMA_TMPDIR "/sigma_dut-ping.sh", |
| 137 | S_IRUSR | S_IWUSR | S_IXUSR) < 0) |
| 138 | return -2; |
| 139 | |
| 140 | if (system(SIGMA_TMPDIR "/sigma_dut-ping.sh") != 0) { |
| 141 | sigma_dut_print(dut, DUT_MSG_ERROR, "Failed to start ping"); |
| 142 | return -2; |
| 143 | } |
| 144 | |
| 145 | unlink(SIGMA_TMPDIR "/sigma_dut-ping.sh"); |
| 146 | |
| 147 | snprintf(resp, sizeof(resp), "streamID,%d", id); |
| 148 | send_resp(dut, conn, SIGMA_COMPLETE, resp); |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | static int cmd_traffic_stop_ping(struct sigma_dut *dut, |
| 154 | struct sigma_conn *conn, |
| 155 | struct sigma_cmd *cmd) |
| 156 | { |
| 157 | const char *val; |
| 158 | int id, pid; |
| 159 | FILE *f; |
| 160 | char buf[100]; |
| 161 | int res_found = 0, sent = 0, received = 0; |
| 162 | |
| 163 | val = get_param(cmd, "streamID"); |
| 164 | if (val == NULL) |
| 165 | return -1; |
| 166 | id = atoi(val); |
| 167 | |
| 168 | snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping-pid.%d", id); |
| 169 | f = fopen(buf, "r"); |
| 170 | if (f == NULL) { |
| 171 | send_resp(dut, conn, SIGMA_ERROR, |
| 172 | "ErrorCode,Unknown streamID"); |
| 173 | return 0; |
| 174 | } |
| 175 | if (fscanf(f, "%d", &pid) != 1 || pid <= 0) { |
| 176 | sigma_dut_print(dut, DUT_MSG_ERROR, "No PID for ping process"); |
| 177 | fclose(f); |
| 178 | unlink(buf); |
| 179 | return -2; |
| 180 | } |
| 181 | |
| 182 | fclose(f); |
| 183 | unlink(buf); |
| 184 | |
| 185 | sigma_dut_print(dut, DUT_MSG_DEBUG, "Ping process pid %d", pid); |
| 186 | if (kill(pid, SIGINT) < 0 && errno != ESRCH) { |
| 187 | sigma_dut_print(dut, DUT_MSG_DEBUG, "kill failed: %s", |
| 188 | strerror(errno)); |
| 189 | } |
| 190 | usleep(250000); |
| 191 | |
| 192 | snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping.%d", id); |
| 193 | f = fopen(buf, "r"); |
| 194 | if (f == NULL) { |
| 195 | sigma_dut_print(dut, DUT_MSG_DEBUG, |
| 196 | "No ping result file found"); |
| 197 | send_resp(dut, conn, SIGMA_COMPLETE, "sent,0,replies,0"); |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | while (fgets(buf, sizeof(buf), f)) { |
| 202 | char *pos; |
| 203 | |
| 204 | pos = strstr(buf, " packets transmitted"); |
| 205 | if (pos) { |
| 206 | pos--; |
| 207 | while (pos > buf && isdigit(pos[-1])) |
| 208 | pos--; |
| 209 | sent = atoi(pos); |
| 210 | res_found = 1; |
| 211 | } |
| 212 | |
| 213 | pos = strstr(buf, " packets received"); |
| 214 | if (pos == NULL) |
| 215 | pos = strstr(buf, " received"); |
| 216 | if (pos) { |
| 217 | pos--; |
| 218 | while (pos > buf && isdigit(pos[-1])) |
| 219 | pos--; |
| 220 | received = atoi(pos); |
| 221 | res_found = 1; |
| 222 | } |
| 223 | } |
| 224 | fclose(f); |
| 225 | snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping.%d", id); |
| 226 | unlink(buf); |
| 227 | |
| 228 | if (!res_found) { |
| 229 | sigma_dut_print(dut, DUT_MSG_DEBUG, |
| 230 | "No ping results found"); |
| 231 | send_resp(dut, conn, SIGMA_COMPLETE, "sent,0,replies,0"); |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | snprintf(buf, sizeof(buf), "sent,%d,replies,%d", sent, received); |
| 236 | send_resp(dut, conn, SIGMA_COMPLETE, buf); |
| 237 | return 0; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | void traffic_register_cmds(void) |
| 242 | { |
| 243 | sigma_dut_reg_cmd("traffic_send_ping", NULL, cmd_traffic_send_ping); |
| 244 | sigma_dut_reg_cmd("traffic_stop_ping", NULL, cmd_traffic_stop_ping); |
| 245 | } |