Srdjan Veljkovic / Mbed 2 deprecated AvnetATT_Pubnub

Avnet AT&T IoT Starter Kit demo for Pubnub

Dependencies:   FXOS8700CQ mbed

wnc_control.cpp@10:df54436ecd38, 2016-07-11 (annotated)

Committer:
fkellermavnet
Date:
Mon Jul 11 23:54:24 2016 +0000
Revision:
10:df54436ecd38
Parent:
2:0e2ef866af95
Child:
19:f89baed3bd6f
Changed wnc control code so that it can't do a read or a write to a socket if the socket is not opened successfully.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 2:0e2ef866af95 1 #include "mbed.h"
JMF 2:0e2ef866af95 2 #include <cctype>
JMF 2:0e2ef866af95 3 #include <string>
JMF 2:0e2ef866af95 4 #include "config_me.h"
JMF 2:0e2ef866af95 5 #include "SerialBuffered.h"
JMF 2:0e2ef866af95 6 #include "wnc_control.h"
JMF 2:0e2ef866af95 7
JMF 2:0e2ef866af95 8 extern Serial pc;
JMF 2:0e2ef866af95 9 extern Serial mdm;
JMF 2:0e2ef866af95 10 extern string MyServerIpAddress;
JMF 2:0e2ef866af95 11 extern string MySocketData;
JMF 2:0e2ef866af95 12
JMF 2:0e2ef866af95 13 int reinitialize_mdm(void);
JMF 2:0e2ef866af95 14
JMF 2:0e2ef866af95 15 enum WNC_ERR_e {
JMF 2:0e2ef866af95 16 WNC_OK =0,
JMF 2:0e2ef866af95 17 WNC_CMD_ERR = -1,
JMF 2:0e2ef866af95 18 WNC_NO_RESPONSE = -2
JMF 2:0e2ef866af95 19 };
JMF 2:0e2ef866af95 20
JMF 2:0e2ef866af95 21 // Contains result of last call to send_wnc_cmd(..)
JMF 2:0e2ef866af95 22 WNC_ERR_e WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 23
JMF 2:0e2ef866af95 24 // Contains the RAW WNC UART responses
JMF 2:0e2ef866af95 25 static string wncStr;
fkellermavnet 10:df54436ecd38 26 static int socketOpen = 0;
JMF 2:0e2ef866af95 27
JMF 2:0e2ef866af95 28 void software_init_mdm(void)
JMF 2:0e2ef866af95 29 {
JMF 2:0e2ef866af95 30 do
JMF 2:0e2ef866af95 31 {
JMF 2:0e2ef866af95 32 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 33 at_init_wnc();
JMF 2:0e2ef866af95 34 if (WNC_MDM_ERR != WNC_OK)
JMF 2:0e2ef866af95 35 reinitialize_mdm();
JMF 2:0e2ef866af95 36 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 37 }
JMF 2:0e2ef866af95 38
JMF 2:0e2ef866af95 39 void resolve_mdm(void)
JMF 2:0e2ef866af95 40 {
JMF 2:0e2ef866af95 41 do
JMF 2:0e2ef866af95 42 {
JMF 2:0e2ef866af95 43 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 44 at_dnsresolve_wnc(MY_SERVER_URL, &MyServerIpAddress);
JMF 2:0e2ef866af95 45 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 46 {
JMF 2:0e2ef866af95 47 reinitialize_mdm();
JMF 2:0e2ef866af95 48 software_init_mdm();
JMF 2:0e2ef866af95 49 }
JMF 2:0e2ef866af95 50 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 51 {
JMF 2:0e2ef866af95 52 pc.puts("Bad URL!!!!!!\r\n");
JMF 2:0e2ef866af95 53 MyServerIpAddress = "192.168.0.1";
JMF 2:0e2ef866af95 54 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 55 }
JMF 2:0e2ef866af95 56 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 57
JMF 2:0e2ef866af95 58 pc.printf("My Server IP: %s\r\n", MyServerIpAddress.data());
JMF 2:0e2ef866af95 59 }
JMF 2:0e2ef866af95 60
JMF 2:0e2ef866af95 61 void sockopen_mdm(void)
JMF 2:0e2ef866af95 62 {
JMF 2:0e2ef866af95 63 do
JMF 2:0e2ef866af95 64 {
JMF 2:0e2ef866af95 65 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 66 at_sockopen_wnc(MyServerIpAddress, MY_PORT_STR);
JMF 2:0e2ef866af95 67 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 68 {
JMF 2:0e2ef866af95 69 reinitialize_mdm();
JMF 2:0e2ef866af95 70 software_init_mdm();
JMF 2:0e2ef866af95 71 }
JMF 2:0e2ef866af95 72 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 73 pc.puts("Socket open fail!!!!\r\n");
fkellermavnet 10:df54436ecd38 74 else
fkellermavnet 10:df54436ecd38 75 socketOpen = 1;
JMF 2:0e2ef866af95 76 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 77 }
JMF 2:0e2ef866af95 78
JMF 2:0e2ef866af95 79 void sockwrite_mdm(const char * s)
JMF 2:0e2ef866af95 80 {
fkellermavnet 10:df54436ecd38 81 if (socketOpen == 1)
fkellermavnet 10:df54436ecd38 82 {
JMF 2:0e2ef866af95 83 do
JMF 2:0e2ef866af95 84 {
JMF 2:0e2ef866af95 85 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 86 at_sockwrite_wnc(s);
JMF 2:0e2ef866af95 87 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 88 {
JMF 2:0e2ef866af95 89 reinitialize_mdm();
JMF 2:0e2ef866af95 90 software_init_mdm();
JMF 2:0e2ef866af95 91 }
JMF 2:0e2ef866af95 92 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 93 {
JMF 2:0e2ef866af95 94 pc.puts("Socket Write fail!!!\r\n");
JMF 2:0e2ef866af95 95 // Have seen when write fails modem gets stuck in bad state, try to recover
JMF 2:0e2ef866af95 96 reinitialize_mdm();
JMF 2:0e2ef866af95 97 software_init_mdm();
JMF 2:0e2ef866af95 98 }
JMF 2:0e2ef866af95 99 } while (WNC_MDM_ERR != WNC_OK);
fkellermavnet 10:df54436ecd38 100 }
fkellermavnet 10:df54436ecd38 101 else
fkellermavnet 10:df54436ecd38 102 puts("Socket is closed for write!\r\n");
JMF 2:0e2ef866af95 103 }
JMF 2:0e2ef866af95 104
JMF 2:0e2ef866af95 105 void sockread_mdm(string * sockData, int len, int retries)
JMF 2:0e2ef866af95 106 {
fkellermavnet 10:df54436ecd38 107 if (socketOpen == 1)
fkellermavnet 10:df54436ecd38 108 {
JMF 2:0e2ef866af95 109 do
JMF 2:0e2ef866af95 110 {
JMF 2:0e2ef866af95 111 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 112 at_sockread_wnc(sockData, len, retries);
JMF 2:0e2ef866af95 113 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 114 {
JMF 2:0e2ef866af95 115 reinitialize_mdm();
JMF 2:0e2ef866af95 116 software_init_mdm();
JMF 2:0e2ef866af95 117 }
JMF 2:0e2ef866af95 118 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 119 puts("Sock read fail!!!!\r\n");
JMF 2:0e2ef866af95 120 } while (WNC_MDM_ERR != WNC_OK);
fkellermavnet 10:df54436ecd38 121 }
fkellermavnet 10:df54436ecd38 122 else
fkellermavnet 10:df54436ecd38 123 puts("Socket is closed for read\r\n");
JMF 2:0e2ef866af95 124 }
JMF 2:0e2ef866af95 125
JMF 2:0e2ef866af95 126 void sockclose_mdm(void)
JMF 2:0e2ef866af95 127 {
JMF 2:0e2ef866af95 128 do
JMF 2:0e2ef866af95 129 {
JMF 2:0e2ef866af95 130 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 131 at_sockclose_wnc();
fkellermavnet 10:df54436ecd38 132 // Assume close happened even if it went bad
fkellermavnet 10:df54436ecd38 133 // going bad will result in a re-init anyways and if close
fkellermavnet 10:df54436ecd38 134 // fails we're pretty much in bad state and not much can do
fkellermavnet 10:df54436ecd38 135 socketOpen = 0;
JMF 2:0e2ef866af95 136 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 137 {
JMF 2:0e2ef866af95 138 reinitialize_mdm();
JMF 2:0e2ef866af95 139 software_init_mdm();
JMF 2:0e2ef866af95 140 }
JMF 2:0e2ef866af95 141 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 142 puts("Sock close fail!!!\r\n");
JMF 2:0e2ef866af95 143 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 144 }
JMF 2:0e2ef866af95 145
JMF 2:0e2ef866af95 146 /**
JMF 2:0e2ef866af95 147 * C++ version 0.4 char* style "itoa":
JMF 2:0e2ef866af95 148 * Written by Lukás Chmela
JMF 2:0e2ef866af95 149 * Released under GPLv3.
JMF 2:0e2ef866af95 150 */
JMF 2:0e2ef866af95 151
JMF 2:0e2ef866af95 152 char* itoa(int value, char* result, int base)
JMF 2:0e2ef866af95 153 {
JMF 2:0e2ef866af95 154 // check that the base if valid
JMF 2:0e2ef866af95 155 if ( base < 2 || base > 36 ) {
JMF 2:0e2ef866af95 156 *result = '\0';
JMF 2:0e2ef866af95 157 return result;
JMF 2:0e2ef866af95 158 }
JMF 2:0e2ef866af95 159
JMF 2:0e2ef866af95 160 char* ptr = result, *ptr1 = result, tmp_char;
JMF 2:0e2ef866af95 161 int tmp_value;
JMF 2:0e2ef866af95 162
JMF 2:0e2ef866af95 163 do {
JMF 2:0e2ef866af95 164 tmp_value = value;
JMF 2:0e2ef866af95 165 value /= base;
JMF 2:0e2ef866af95 166 *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz"[35 + (tmp_value - value * base)];
JMF 2:0e2ef866af95 167 } while ( value );
JMF 2:0e2ef866af95 168
JMF 2:0e2ef866af95 169 // Apply negative sign
JMF 2:0e2ef866af95 170 if ( tmp_value < 0 )
JMF 2:0e2ef866af95 171 *ptr++ = '-';
JMF 2:0e2ef866af95 172 *ptr-- = '\0';
JMF 2:0e2ef866af95 173
JMF 2:0e2ef866af95 174 while ( ptr1 < ptr ) {
JMF 2:0e2ef866af95 175 tmp_char = *ptr;
JMF 2:0e2ef866af95 176 *ptr-- = *ptr1;
JMF 2:0e2ef866af95 177 *ptr1++ = tmp_char;
JMF 2:0e2ef866af95 178 }
JMF 2:0e2ef866af95 179
JMF 2:0e2ef866af95 180 return result;
JMF 2:0e2ef866af95 181 }
JMF 2:0e2ef866af95 182
JMF 2:0e2ef866af95 183 extern int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len);
JMF 2:0e2ef866af95 184
JMF 2:0e2ef866af95 185 // Sets a global with failure or success, assumes 1 thread all the time
JMF 2:0e2ef866af95 186 int send_wnc_cmd(const char * s, string ** r, int ms_timeout)
JMF 2:0e2ef866af95 187 {
JMF 2:0e2ef866af95 188 static const char * rsp_lst[] = { "OK", "ERROR", NULL };
JMF 2:0e2ef866af95 189 int len;
JMF 2:0e2ef866af95 190
JMF 2:0e2ef866af95 191 pc.printf("Send: %s\r\n",s);
JMF 2:0e2ef866af95 192 int res = mdm_sendAtCmdRsp(s, rsp_lst, ms_timeout, &wncStr, &len);
JMF 2:0e2ef866af95 193 *r = &wncStr; // Return a pointer to the static string
JMF 2:0e2ef866af95 194
JMF 2:0e2ef866af95 195 if (res >= 0)
JMF 2:0e2ef866af95 196 {
JMF 2:0e2ef866af95 197 pc.puts("[");
JMF 2:0e2ef866af95 198 pc.puts(wncStr.data());
JMF 2:0e2ef866af95 199 pc.puts("]\n\r");
JMF 2:0e2ef866af95 200 if (res > 0)
JMF 2:0e2ef866af95 201 {
JMF 2:0e2ef866af95 202 if (WNC_MDM_ERR != WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 203 WNC_MDM_ERR = WNC_CMD_ERR;
JMF 2:0e2ef866af95 204 return -1;
JMF 2:0e2ef866af95 205 }
JMF 2:0e2ef866af95 206 else
JMF 2:0e2ef866af95 207 return 0;
JMF 2:0e2ef866af95 208 }
JMF 2:0e2ef866af95 209 else
JMF 2:0e2ef866af95 210 {
JMF 2:0e2ef866af95 211 WNC_MDM_ERR = WNC_NO_RESPONSE;
JMF 2:0e2ef866af95 212 pc.puts("No response from WNC!\n\r");
JMF 2:0e2ef866af95 213 return -2;
JMF 2:0e2ef866af95 214 }
JMF 2:0e2ef866af95 215 }
JMF 2:0e2ef866af95 216
JMF 2:0e2ef866af95 217 void at_init_wnc(void)
JMF 2:0e2ef866af95 218 {
JMF 2:0e2ef866af95 219 string * pRespStr;
JMF 2:0e2ef866af95 220 send_wnc_cmd("AT", &pRespStr, WNC_TIMEOUT_MS); // Heartbeat?
JMF 2:0e2ef866af95 221 send_wnc_cmd("ATE1", &pRespStr, WNC_TIMEOUT_MS); // Echo ON
JMF 2:0e2ef866af95 222 string cmd_str("AT%PDNSET=1,");
JMF 2:0e2ef866af95 223 cmd_str += MY_APN_STR;
JMF 2:0e2ef866af95 224 cmd_str += ",IP";
JMF 2:0e2ef866af95 225 send_wnc_cmd(cmd_str.data(), &pRespStr, 2*WNC_TIMEOUT_MS); // Set APN, cmd seems to take a little longer sometimes
JMF 2:0e2ef866af95 226 send_wnc_cmd("AT@INTERNET=1", &pRespStr, WNC_TIMEOUT_MS); // Internet services enabled
JMF 2:0e2ef866af95 227 send_wnc_cmd("AT@SOCKDIAL=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 228 }
JMF 2:0e2ef866af95 229
JMF 2:0e2ef866af95 230 void at_sockopen_wnc(const string & ipStr, const char * port )
JMF 2:0e2ef866af95 231 {
JMF 2:0e2ef866af95 232 string * pRespStr;
JMF 2:0e2ef866af95 233 send_wnc_cmd("AT@SOCKCREAT=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 234 string cmd_str("AT@SOCKCONN=1,\"");
JMF 2:0e2ef866af95 235 cmd_str += ipStr;
JMF 2:0e2ef866af95 236 cmd_str += "\",";
JMF 2:0e2ef866af95 237 cmd_str += port;
JMF 2:0e2ef866af95 238 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 239 }
JMF 2:0e2ef866af95 240
JMF 2:0e2ef866af95 241 void at_sockclose_wnc(void)
JMF 2:0e2ef866af95 242 {
JMF 2:0e2ef866af95 243 string * pRespStr;
JMF 2:0e2ef866af95 244 send_wnc_cmd("AT@SOCKCLOSE=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 245 }
JMF 2:0e2ef866af95 246
JMF 2:0e2ef866af95 247 int at_dnsresolve_wnc(const char * s, string * ipStr)
JMF 2:0e2ef866af95 248 {
JMF 2:0e2ef866af95 249 string * pRespStr;
JMF 2:0e2ef866af95 250 string str(s);
JMF 2:0e2ef866af95 251 str = "AT@DNSRESVDON=\"" + str;
JMF 2:0e2ef866af95 252 str += "\"\r\n";
JMF 2:0e2ef866af95 253 if (send_wnc_cmd(str.data(), &pRespStr, WNC_TIMEOUT_MS) == 0)
JMF 2:0e2ef866af95 254 {
JMF 2:0e2ef866af95 255 size_t pos_start = pRespStr->find(":\"") + 2;
JMF 2:0e2ef866af95 256 if (pos_start != string::npos)
JMF 2:0e2ef866af95 257 {
JMF 2:0e2ef866af95 258 size_t pos_end = pRespStr->rfind("\"") - 1;
JMF 2:0e2ef866af95 259 if (pos_end != string::npos)
JMF 2:0e2ef866af95 260 {
JMF 2:0e2ef866af95 261 if (pos_end > pos_start)
JMF 2:0e2ef866af95 262 {
JMF 2:0e2ef866af95 263 // Make a copy for use later (the source string is re-used)
JMF 2:0e2ef866af95 264 *ipStr = pRespStr->substr(pos_start, pos_end - pos_start + 1);
JMF 2:0e2ef866af95 265 return 1;
JMF 2:0e2ef866af95 266 }
JMF 2:0e2ef866af95 267 else
JMF 2:0e2ef866af95 268 pc.puts("URL Resolve fail, substr Err\r\n");
JMF 2:0e2ef866af95 269 }
JMF 2:0e2ef866af95 270 else
JMF 2:0e2ef866af95 271 pc.puts("URL Resolve fail, no 2nd quote\r\n");
JMF 2:0e2ef866af95 272 }
JMF 2:0e2ef866af95 273 else
JMF 2:0e2ef866af95 274 pc.puts("URL Resolve fail, no quotes\r\n");
JMF 2:0e2ef866af95 275 }
JMF 2:0e2ef866af95 276 else
JMF 2:0e2ef866af95 277 pc.puts("URL Resolve fail, WNC cmd fail\r\n");
JMF 2:0e2ef866af95 278
JMF 2:0e2ef866af95 279 return -1;
JMF 2:0e2ef866af95 280 }
JMF 2:0e2ef866af95 281
JMF 2:0e2ef866af95 282 void at_sockwrite_wnc(const char * s)
JMF 2:0e2ef866af95 283 {
JMF 2:0e2ef866af95 284 string * pRespStr;
JMF 2:0e2ef866af95 285 char num2str[6];
JMF 2:0e2ef866af95 286 size_t sLen = strlen(s);
JMF 2:0e2ef866af95 287 if (sLen <= 99999)
JMF 2:0e2ef866af95 288 {
JMF 2:0e2ef866af95 289 string cmd_str("AT@SOCKWRITE=1,");
JMF 2:0e2ef866af95 290 itoa(sLen, num2str, 10);
JMF 2:0e2ef866af95 291 cmd_str += num2str;
JMF 2:0e2ef866af95 292 cmd_str += ",\"";
JMF 2:0e2ef866af95 293 while(*s != '\0')
JMF 2:0e2ef866af95 294 {
JMF 2:0e2ef866af95 295 itoa((int)*s++, num2str, 16);
JMF 2:0e2ef866af95 296 // Always 2-digit ascii hex:
JMF 2:0e2ef866af95 297 if (strlen(num2str) == 1)
JMF 2:0e2ef866af95 298 {
JMF 2:0e2ef866af95 299 num2str[2] = '\0';
JMF 2:0e2ef866af95 300 num2str[1] = num2str[0];
JMF 2:0e2ef866af95 301 num2str[0] = '0';
JMF 2:0e2ef866af95 302 }
JMF 2:0e2ef866af95 303 cmd_str += num2str;
JMF 2:0e2ef866af95 304 }
JMF 2:0e2ef866af95 305 cmd_str += "\"";
JMF 2:0e2ef866af95 306 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 307 }
JMF 2:0e2ef866af95 308 else
JMF 2:0e2ef866af95 309 pc.puts("sockwrite Err, string to long\r\n");
JMF 2:0e2ef866af95 310 }
JMF 2:0e2ef866af95 311
JMF 2:0e2ef866af95 312 unsigned at_sockread_wnc(string * pS, unsigned n, unsigned retries = 0)
JMF 2:0e2ef866af95 313 {
JMF 2:0e2ef866af95 314 unsigned i;
JMF 2:0e2ef866af95 315 string * pRespStr;
JMF 2:0e2ef866af95 316 string cmd_str("AT@SOCKREAD=1,");
JMF 2:0e2ef866af95 317 if (n <= 1500)
JMF 2:0e2ef866af95 318 {
JMF 2:0e2ef866af95 319 char num2str[6];
JMF 2:0e2ef866af95 320 itoa(n, num2str, 10);
JMF 2:0e2ef866af95 321 cmd_str += num2str;
JMF 2:0e2ef866af95 322 retries += 1;
JMF 2:0e2ef866af95 323 while (retries--)
JMF 2:0e2ef866af95 324 {
JMF 2:0e2ef866af95 325 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 326 size_t pos_start = pRespStr->find("\"") + 1;
JMF 2:0e2ef866af95 327 size_t pos_end = pRespStr->rfind("\"") - 1;
JMF 2:0e2ef866af95 328 i = pos_end - pos_start + 1;
JMF 2:0e2ef866af95 329 if (i > 0)
JMF 2:0e2ef866af95 330 {
JMF 2:0e2ef866af95 331 retries = 0; // If any data found stop retrying
JMF 2:0e2ef866af95 332 string byte;
JMF 2:0e2ef866af95 333 pS->erase();
JMF 2:0e2ef866af95 334 while (pos_start < pos_end)
JMF 2:0e2ef866af95 335 {
JMF 2:0e2ef866af95 336 byte = pRespStr->substr(pos_start, 2);
JMF 2:0e2ef866af95 337 *pS += (char)strtol(byte.data(), NULL, 16);
JMF 2:0e2ef866af95 338 pos_start += 2;
JMF 2:0e2ef866af95 339 }
JMF 2:0e2ef866af95 340 return i;
JMF 2:0e2ef866af95 341 }
JMF 2:0e2ef866af95 342 }
JMF 2:0e2ef866af95 343 }
JMF 2:0e2ef866af95 344 else
JMF 2:0e2ef866af95 345 pc.puts("sockread Err, to many to read\r\n");
JMF 2:0e2ef866af95 346
JMF 2:0e2ef866af95 347 return 0;
JMF 2:0e2ef866af95 348 }