David Fletcher / mqtt_V1

TI's mqtt.

Dependencies:   client server

platform/cc31xx_sl_net.cpp@0:698866e331b2, 2015-06-06 (annotated)

Committer:
dflet
Date:
Sat Jun 06 13:29:50 2015 +0000
Revision:
0:698866e331b2
TI's mqtt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:698866e331b2 1 /******************************************************************************
dflet 0:698866e331b2 2 *
dflet 0:698866e331b2 3 * Copyright (C) 2014 Texas Instruments Incorporated
dflet 0:698866e331b2 4 *
dflet 0:698866e331b2 5 * All rights reserved. Property of Texas Instruments Incorporated.
dflet 0:698866e331b2 6 * Restricted rights to use, duplicate or disclose this code are
dflet 0:698866e331b2 7 * granted through contract.
dflet 0:698866e331b2 8 *
dflet 0:698866e331b2 9 * The program may not be used without the written permission of
dflet 0:698866e331b2 10 * Texas Instruments Incorporated or against the terms and conditions
dflet 0:698866e331b2 11 * stipulated in the agreement under which this program has been supplied,
dflet 0:698866e331b2 12 * and under no circumstances can it be used with non-TI connectivity device.
dflet 0:698866e331b2 13 *
dflet 0:698866e331b2 14 ******************************************************************************/
dflet 0:698866e331b2 15 //#include "mbed.h"
dflet 0:698866e331b2 16 #include "cc3100_simplelink.h"
dflet 0:698866e331b2 17 #include "cc3100_sl_common.h"
dflet 0:698866e331b2 18 #include "cc31xx_sl_net.h"
dflet 0:698866e331b2 19 #include "sl_mqtt_client.h"
dflet 0:698866e331b2 20 #include "mqtt_client.h"
dflet 0:698866e331b2 21 #include "cc3200_platform.h"
dflet 0:698866e331b2 22 #include "cc3100.h"
dflet 0:698866e331b2 23 #include "fPtr_func.h"
dflet 0:698866e331b2 24 #include "myBoardInit.h"
dflet 0:698866e331b2 25 #include "cli_uart.h"
dflet 0:698866e331b2 26
dflet 0:698866e331b2 27 #define PRINT_BUF_LEN 128
dflet 0:698866e331b2 28 extern int8_t print_buf[PRINT_BUF_LEN];
dflet 0:698866e331b2 29
dflet 0:698866e331b2 30 using namespace mbed_cc3100;
dflet 0:698866e331b2 31
dflet 0:698866e331b2 32 #if (THIS_BOARD == MBED_BOARD_LPC1768)
dflet 0:698866e331b2 33 cc3100 _cc3100_module_(p16, p17, p9, p10, p8, SPI(p5, p6, p7));//LPC1768 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 34 //cc3100 _cc3100_module_(p9, p10, p8, SPI(p11, p12, p13));//LPC1768 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 35 #elif (THIS_BOARD == Seeed_Arch_Max)
dflet 0:698866e331b2 36 class cc3100 _cc3100_module_(PE_5, PE_4, PE_6, SPI(PB_5, PB_4, PB_3));
dflet 0:698866e331b2 37 #elif (THIS_BOARD == ST_MBED_NUCLEOF103)
dflet 0:698866e331b2 38 class cc3100 _cc3100_module_(PA_9, PC_7, PB_6, SPI(PA_7, PA_6, PA_5));//nucleoF103 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 39 #elif (THIS_BOARD == ST_MBED_NUCLEOF411)
dflet 0:698866e331b2 40 class cc3100 _cc3100_module_(PA_9, PC_7, PB_6, SPI(PA_7, PA_6, PA_5));//nucleoF411 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 41 #elif (THIS_BOARD == ST_MBED_NUCLEOF401)
dflet 0:698866e331b2 42 class cc3100 _cc3100_module_(PA_8, PA_9, PC_7, PB_6, SPI(PA_7, PA_6, PA_5));//nucleoF401 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 43 #elif (THIS_BOARD == EA_MBED_LPC4088)
dflet 0:698866e331b2 44 class cc3100 _cc3100_module_(p14, p15, p9, p10, p8, SPI(p5, p6, p7));//LPC4088 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 45 #elif (THIS_BOARD == LPCXpresso4337)
dflet 0:698866e331b2 46 class cc3100 _cc3100_module_(P2_2, P3_5, P1_2, SPI(P1_4, P1_3, PF_4));//LPCXpresso4337 irq, nHib, cs, mosi, miso, sck
dflet 0:698866e331b2 47 #endif
dflet 0:698866e331b2 48
dflet 0:698866e331b2 49 namespace mbed_mqtt {
dflet 0:698866e331b2 50
dflet 0:698866e331b2 51 #ifdef DEBUG_NET_DEV
dflet 0:698866e331b2 52 extern int32_t (*debug_printf)(const char *fmt, ...);
dflet 0:698866e331b2 53 #define PRINTF(x,...) debug_printf(x,##__VA_ARGS__)
dflet 0:698866e331b2 54 #else
dflet 0:698866e331b2 55 #define PRINTF(x,...)
dflet 0:698866e331b2 56 #endif
dflet 0:698866e331b2 57 /*
dflet 0:698866e331b2 58 3200 Devices specific Network Services Implementation
dflet 0:698866e331b2 59 */
dflet 0:698866e331b2 60
dflet 0:698866e331b2 61 #define LISTEN_QUE_SIZE 2
dflet 0:698866e331b2 62
dflet 0:698866e331b2 63 //*****************************************************************************
dflet 0:698866e331b2 64 // GLOBAL VARIABLES
dflet 0:698866e331b2 65 //*****************************************************************************
dflet 0:698866e331b2 66
dflet 0:698866e331b2 67 //*****************************************************************************
dflet 0:698866e331b2 68 // STATIC FUNCTIONS
dflet 0:698866e331b2 69 //*****************************************************************************
dflet 0:698866e331b2 70
dflet 0:698866e331b2 71 #ifdef DEBUG_NET_DEV
dflet 0:698866e331b2 72 static int32_t buf_printf(const uint8_t *buf, uint32_t len, uint32_t idt)
dflet 0:698866e331b2 73 {
dflet 0:698866e331b2 74 int32_t i = 0;
dflet 0:698866e331b2 75 for(i = 0; i < len; i++)
dflet 0:698866e331b2 76 {
dflet 0:698866e331b2 77 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 78 sprintf((char*) print_buf, "%02x ", *buf++);
dflet 0:698866e331b2 79 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 80
dflet 0:698866e331b2 81 if(0x03 == (i & 0x03))
dflet 0:698866e331b2 82 Uart_Write((uint8_t *)" ");
dflet 0:698866e331b2 83
dflet 0:698866e331b2 84 if(0x0F == (i & 0x0F))
dflet 0:698866e331b2 85 {
dflet 0:698866e331b2 86 int32_t j = 0;
dflet 0:698866e331b2 87 Uart_Write((uint8_t *)"\n\r");
dflet 0:698866e331b2 88
dflet 0:698866e331b2 89 for(j = 0; j < idt; j++)
dflet 0:698866e331b2 90 Uart_Write((uint8_t *)" ");
dflet 0:698866e331b2 91 }
dflet 0:698866e331b2 92 }
dflet 0:698866e331b2 93
dflet 0:698866e331b2 94 Uart_Write((uint8_t *)"\n\r");
dflet 0:698866e331b2 95
dflet 0:698866e331b2 96 return len;
dflet 0:698866e331b2 97 }
dflet 0:698866e331b2 98 #endif
dflet 0:698866e331b2 99
dflet 0:698866e331b2 100 /*-----------------------------------------------------------------------------
dflet 0:698866e331b2 101 Open a TCP socket and modify its properties i.e security options if req.
dflet 0:698866e331b2 102 Socket properties modified in this function are based on the options set
dflet 0:698866e331b2 103 outside the scope of this function.
dflet 0:698866e331b2 104 Returns a valid handle on success, otherwise a negative number.
dflet 0:698866e331b2 105 -----------------------------------------------------------------------------*/
dflet 0:698866e331b2 106
dflet 0:698866e331b2 107 static int32_t create_socket(uint32_t nwconn_opts, struct secure_conn *nw_security_opts)
dflet 0:698866e331b2 108 {
dflet 0:698866e331b2 109
dflet 0:698866e331b2 110 int32_t MqttSocketFd, Status;
dflet 0:698866e331b2 111
dflet 0:698866e331b2 112 //local variables for creating secure socket
dflet 0:698866e331b2 113 uint8_t SecurityMethod;
dflet 0:698866e331b2 114 uint32_t SecurityCypher;
dflet 0:698866e331b2 115 int8_t i;
dflet 0:698866e331b2 116
dflet 0:698866e331b2 117 //If TLS is required
dflet 0:698866e331b2 118 if ((nwconn_opts & DEV_NETCONN_OPT_SEC) != 0) // bit was set to 1
dflet 0:698866e331b2 119 {
dflet 0:698866e331b2 120 MqttSocketFd = _cc3100_module_._socket.sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_SEC_SOCKET);
dflet 0:698866e331b2 121 if (MqttSocketFd < 0) {
dflet 0:698866e331b2 122 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 123 sprintf((char*) print_buf, "MqttSocketFd fail %i\r\n",MqttSocketFd);
dflet 0:698866e331b2 124 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 125 return (MqttSocketFd);
dflet 0:698866e331b2 126 }
dflet 0:698866e331b2 127
dflet 0:698866e331b2 128 SecurityMethod = *((uint8_t *) (nw_security_opts->method));
dflet 0:698866e331b2 129 SecurityCypher = *((uint32_t *) (nw_security_opts->cipher));
dflet 0:698866e331b2 130
dflet 0:698866e331b2 131 if (nw_security_opts->n_file < 1 || nw_security_opts->n_file > 4 ) {
dflet 0:698866e331b2 132 Uart_Write((uint8_t*)"\n\r ERROR: security files missing or wrong number of security files\n\r");
dflet 0:698866e331b2 133 Uart_Write((uint8_t*)"\n\r ERROR: Did not create socket\n\r");
dflet 0:698866e331b2 134 return (-1);
dflet 0:698866e331b2 135 }
dflet 0:698866e331b2 136
dflet 0:698866e331b2 137 //Set Socket Options that were just defined
dflet 0:698866e331b2 138 Status = _cc3100_module_._socket.sl_SetSockOpt(MqttSocketFd, SL_SOL_SOCKET, SL_SO_SECMETHOD,
dflet 0:698866e331b2 139 &SecurityMethod, sizeof(SecurityMethod));
dflet 0:698866e331b2 140 if (Status < 0) {
dflet 0:698866e331b2 141 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 142 sprintf((char*) print_buf, "Status error %i socket closed\n\r",Status);
dflet 0:698866e331b2 143 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 144 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 145 return (Status);
dflet 0:698866e331b2 146 }
dflet 0:698866e331b2 147
dflet 0:698866e331b2 148 Status = _cc3100_module_._socket.sl_SetSockOpt(MqttSocketFd, SL_SOL_SOCKET, SL_SO_SECURE_MASK,
dflet 0:698866e331b2 149 &SecurityCypher, sizeof(SecurityCypher));
dflet 0:698866e331b2 150 if (Status < 0) {
dflet 0:698866e331b2 151 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 152 sprintf((char*) print_buf, "Status error %i socket closed\n\r",Status);
dflet 0:698866e331b2 153 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 154 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 155 return (Status);
dflet 0:698866e331b2 156 }
dflet 0:698866e331b2 157
dflet 0:698866e331b2 158 if(nw_security_opts->n_file == 1){
dflet 0:698866e331b2 159 Status = _cc3100_module_._socket.sl_SetSockOpt(MqttSocketFd, SL_SOL_SOCKET, SL_SO_SECURE_FILES_CA_FILE_NAME,
dflet 0:698866e331b2 160 nw_security_opts->files[0], strlen(nw_security_opts->files[0]));
dflet 0:698866e331b2 161 if (Status < 0) {
dflet 0:698866e331b2 162 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 163 sprintf((char*) print_buf, "Status error %i socket closed\n\r",Status);
dflet 0:698866e331b2 164 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 165 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 166 return (Status);
dflet 0:698866e331b2 167 }
dflet 0:698866e331b2 168 }else{
dflet 0:698866e331b2 169 for(i=0; i<nw_security_opts->n_file;i++){
dflet 0:698866e331b2 170 if(NULL != nw_security_opts->files[i]){
dflet 0:698866e331b2 171 Status = _cc3100_module_._socket.sl_SetSockOpt(MqttSocketFd, SL_SOL_SOCKET,
dflet 0:698866e331b2 172 (SL_SO_SECURE_FILES_PRIVATE_KEY_FILE_NAME+i),
dflet 0:698866e331b2 173 nw_security_opts->files[i],
dflet 0:698866e331b2 174 strlen(nw_security_opts->files[i]));
dflet 0:698866e331b2 175 if (Status < 0) {
dflet 0:698866e331b2 176 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 177 sprintf((char*) print_buf, "Status error %i socket closed\n\r",Status);
dflet 0:698866e331b2 178 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 179 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 180 return (Status);
dflet 0:698866e331b2 181 }
dflet 0:698866e331b2 182 }
dflet 0:698866e331b2 183 }
dflet 0:698866e331b2 184 }
dflet 0:698866e331b2 185
dflet 0:698866e331b2 186 }
dflet 0:698866e331b2 187 // If no TLS required
dflet 0:698866e331b2 188 else {
dflet 0:698866e331b2 189 // check to create a udp or tcp socket
dflet 0:698866e331b2 190 if ((nwconn_opts & DEV_NETCONN_OPT_UDP) != 0) // bit is set ; create a udp socket
dflet 0:698866e331b2 191 {
dflet 0:698866e331b2 192 MqttSocketFd = _cc3100_module_._socket.sl_Socket(SL_AF_INET, SL_SOCK_DGRAM, SL_IPPROTO_UDP);
dflet 0:698866e331b2 193 } else // socket for tcp
dflet 0:698866e331b2 194 {
dflet 0:698866e331b2 195 MqttSocketFd = _cc3100_module_._socket.sl_Socket(SL_AF_INET, SL_SOCK_STREAM,
dflet 0:698866e331b2 196 SL_IPPROTO_TCP); // consider putting 0 in place of SL_IPPROTO_TCP
dflet 0:698866e331b2 197 }
dflet 0:698866e331b2 198 }
dflet 0:698866e331b2 199
dflet 0:698866e331b2 200 return (MqttSocketFd);
dflet 0:698866e331b2 201
dflet 0:698866e331b2 202 } // end of function
dflet 0:698866e331b2 203
dflet 0:698866e331b2 204 /*-----------------------------------------------------------------------------
dflet 0:698866e331b2 205 This function takes an ipv4 address in dot format i.e "a.b.c.d" and returns the
dflet 0:698866e331b2 206 ip address in Network byte Order, which can be used in connect call
dflet 0:698866e331b2 207 It returns 0, if a valid ip address is not detected.
dflet 0:698866e331b2 208 -----------------------------------------------------------------------------*/
dflet 0:698866e331b2 209
dflet 0:698866e331b2 210 static uint32_t svr_addr_NB_order_IPV4(char *svr_addr_str)
dflet 0:698866e331b2 211 {
dflet 0:698866e331b2 212 uint8_t addr[4];
dflet 0:698866e331b2 213 int8_t i = 0;
dflet 0:698866e331b2 214 char *token;
dflet 0:698866e331b2 215 uint32_t svr_addr;
dflet 0:698866e331b2 216 int32_t temp;
dflet 0:698866e331b2 217
dflet 0:698866e331b2 218 /*take a temporary copy of the string. strtok modifies the input string*/
dflet 0:698866e331b2 219 int8_t svr_addr_size = strlen(svr_addr_str);
dflet 0:698866e331b2 220 char *svr_addr_cpy = (char*)malloc(svr_addr_size + 1); //1 for null
dflet 0:698866e331b2 221 if(NULL == svr_addr_cpy) return 0;
dflet 0:698866e331b2 222 strcpy(svr_addr_cpy, svr_addr_str);
dflet 0:698866e331b2 223
dflet 0:698866e331b2 224 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 225 sprintf((char*) print_buf, "\n\r server address = %s\n\r", svr_addr_cpy);
dflet 0:698866e331b2 226 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 227 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 228 sprintf((char*) print_buf, "\n\r server address string length = %d\n\r", strlen(svr_addr_cpy));
dflet 0:698866e331b2 229 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 230
dflet 0:698866e331b2 231 /* get the first token */
dflet 0:698866e331b2 232 token = strtok((char*)svr_addr_cpy, ".");
dflet 0:698866e331b2 233
dflet 0:698866e331b2 234 /* walk through other tokens */
dflet 0:698866e331b2 235 while (token != NULL) {
dflet 0:698866e331b2 236 temp = atoi((const char*)token);
dflet 0:698866e331b2 237
dflet 0:698866e331b2 238 //check for invalid tokens or if already 4 tokens were obtained
dflet 0:698866e331b2 239 if ((temp < 0) || (temp > 255) || (i >= 4)) {
dflet 0:698866e331b2 240 free(svr_addr_cpy);
dflet 0:698866e331b2 241 return (0);
dflet 0:698866e331b2 242 }
dflet 0:698866e331b2 243
dflet 0:698866e331b2 244 addr[i++] = (uint8_t) temp;
dflet 0:698866e331b2 245 token = strtok(NULL, ".");
dflet 0:698866e331b2 246 }
dflet 0:698866e331b2 247
dflet 0:698866e331b2 248 // check if exactly 4 valid tokens are available or not
dflet 0:698866e331b2 249 if (i != 4) {
dflet 0:698866e331b2 250 free(svr_addr_cpy);
dflet 0:698866e331b2 251 return (0);
dflet 0:698866e331b2 252 }
dflet 0:698866e331b2 253
dflet 0:698866e331b2 254 //form address if above test passed
dflet 0:698866e331b2 255 svr_addr = *((uint32_t *) &addr);
dflet 0:698866e331b2 256 free(svr_addr_cpy);
dflet 0:698866e331b2 257
dflet 0:698866e331b2 258 return (svr_addr);
dflet 0:698866e331b2 259
dflet 0:698866e331b2 260 } // end of function
dflet 0:698866e331b2 261
dflet 0:698866e331b2 262 //*****************************************************************************
dflet 0:698866e331b2 263 // Network Services functions
dflet 0:698866e331b2 264 //*****************************************************************************
dflet 0:698866e331b2 265
dflet 0:698866e331b2 266 /*-----------------------------------------------------------------------------
dflet 0:698866e331b2 267 Open a TCP socket with required properties
dflet 0:698866e331b2 268 Also connect to the server.
dflet 0:698866e331b2 269 Returns a valid handle on success, NULL on failure.
dflet 0:698866e331b2 270 -----------------------------------------------------------------------------*/
dflet 0:698866e331b2 271
dflet 0:698866e331b2 272 int32_t comm_open(uint32_t nwconn_opts, const char *server_addr, uint16_t port_number,
dflet 0:698866e331b2 273 const struct secure_conn *nw_security)
dflet 0:698866e331b2 274 {
dflet 0:698866e331b2 275
dflet 0:698866e331b2 276 int32_t Status, MqttSocketFd;
dflet 0:698866e331b2 277
dflet 0:698866e331b2 278 SlSockAddrIn_t LocalAddr; //address of the server to connect to
dflet 0:698866e331b2 279 int32_t LocalAddrSize;
dflet 0:698866e331b2 280
dflet 0:698866e331b2 281 uint32_t uiIP;
dflet 0:698866e331b2 282
dflet 0:698866e331b2 283 // create socket
dflet 0:698866e331b2 284 MqttSocketFd = create_socket(nwconn_opts,
dflet 0:698866e331b2 285 (struct secure_conn*) nw_security);
dflet 0:698866e331b2 286
dflet 0:698866e331b2 287 if (MqttSocketFd < 0) {
dflet 0:698866e331b2 288 Uart_Write((uint8_t*)"\n\r ERROR: Could not create a socket.\n\r");
dflet 0:698866e331b2 289 return -1;
dflet 0:698866e331b2 290 }
dflet 0:698866e331b2 291
dflet 0:698866e331b2 292 if ((nwconn_opts & DEV_NETCONN_OPT_UDP) != 0) // bit is set ; create a udp socket
dflet 0:698866e331b2 293 {
dflet 0:698866e331b2 294 //filling the UDP server socket address
dflet 0:698866e331b2 295 LocalAddr.sin_family = SL_AF_INET;
dflet 0:698866e331b2 296 LocalAddr.sin_port = _cc3100_module_._socket.sl_Htons((unsigned short) port_number);
dflet 0:698866e331b2 297 LocalAddr.sin_addr.s_addr = 0;
dflet 0:698866e331b2 298 LocalAddrSize = sizeof(SlSockAddrIn_t);
dflet 0:698866e331b2 299
dflet 0:698866e331b2 300 Status = _cc3100_module_._socket.sl_Bind(MqttSocketFd, (SlSockAddr_t *) &LocalAddr,
dflet 0:698866e331b2 301 LocalAddrSize);
dflet 0:698866e331b2 302 if (Status < 0) {
dflet 0:698866e331b2 303 // error
dflet 0:698866e331b2 304 Uart_Write((uint8_t*)"\n\r ERROR: Could not bind socket.\n\r");
dflet 0:698866e331b2 305 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 306 return -1;
dflet 0:698866e331b2 307 }
dflet 0:698866e331b2 308 } else // do tcp connection
dflet 0:698866e331b2 309 {
dflet 0:698866e331b2 310 // get the ip address of server to do tcp connect
dflet 0:698866e331b2 311 if ((nwconn_opts & DEV_NETCONN_OPT_URL) != 0) // server address is a URL
dflet 0:698866e331b2 312 {
dflet 0:698866e331b2 313 Status = _cc3100_module_._netapp.sl_NetAppDnsGetHostByName((uint8_t*) server_addr,
dflet 0:698866e331b2 314 strlen(server_addr), (uint32_t*) &uiIP, SL_AF_INET);
dflet 0:698866e331b2 315
dflet 0:698866e331b2 316 if (Status < 0) {
dflet 0:698866e331b2 317 Uart_Write((uint8_t*)"\n\r ERROR: Could not resolve the ip address of the server \n\r");
dflet 0:698866e331b2 318 return (-1);
dflet 0:698866e331b2 319 }
dflet 0:698866e331b2 320 // convert the address to network byte order as the function returns in host byte order
dflet 0:698866e331b2 321 uiIP = _cc3100_module_._socket.sl_Htonl(uiIP);
dflet 0:698866e331b2 322 } else // server address is a string in dot notation
dflet 0:698866e331b2 323 {
dflet 0:698866e331b2 324 if ((nwconn_opts & DEV_NETCONN_OPT_IP6) != 0) // server address is an IPV6 address string
dflet 0:698866e331b2 325 {
dflet 0:698866e331b2 326 Uart_Write((uint8_t*)"\n\r ERROR: Currently do not support IPV6 addresses \n\r");
dflet 0:698866e331b2 327 return (-1);
dflet 0:698866e331b2 328 } else // address is an IPv4 string
dflet 0:698866e331b2 329 {
dflet 0:698866e331b2 330 // get the server ip address in Network Byte order
dflet 0:698866e331b2 331 uiIP = svr_addr_NB_order_IPV4((char*) server_addr);
dflet 0:698866e331b2 332 if (0 == uiIP) {
dflet 0:698866e331b2 333 Uart_Write((uint8_t*)"\n\r ERROR: Could not resolve the ip address of the server \n\r");
dflet 0:698866e331b2 334 return (-1);
dflet 0:698866e331b2 335 }
dflet 0:698866e331b2 336 }
dflet 0:698866e331b2 337
dflet 0:698866e331b2 338 }
dflet 0:698866e331b2 339
dflet 0:698866e331b2 340 LocalAddr.sin_family = SL_AF_INET;
dflet 0:698866e331b2 341 LocalAddr.sin_addr.s_addr = uiIP;
dflet 0:698866e331b2 342 LocalAddr.sin_port = _cc3100_module_._socket.sl_Htons(port_number);
dflet 0:698866e331b2 343 LocalAddrSize = sizeof(SlSockAddrIn_t);
dflet 0:698866e331b2 344
dflet 0:698866e331b2 345 // do tcp connect
dflet 0:698866e331b2 346 Status = _cc3100_module_._socket.sl_Connect(MqttSocketFd, (SlSockAddr_t *) &LocalAddr,
dflet 0:698866e331b2 347 LocalAddrSize);
dflet 0:698866e331b2 348
dflet 0:698866e331b2 349 if (Status < 0) {
dflet 0:698866e331b2 350 if (SL_ESECSNOVERIFY != Status) {
dflet 0:698866e331b2 351 Uart_Write((uint8_t*)" \n\r ERROR: Could not establish connection to server.\n\r");Uart_Write((uint8_t*)" \n\r ERROR: Closing the socket.\n\r");
dflet 0:698866e331b2 352
dflet 0:698866e331b2 353 _cc3100_module_._socket.sl_Close(MqttSocketFd);
dflet 0:698866e331b2 354 return (-1);
dflet 0:698866e331b2 355 } else // SL_ESECSNOVERIFY == Status
dflet 0:698866e331b2 356 {
dflet 0:698866e331b2 357 Uart_Write((uint8_t*)" \n\r ERROR: Could not establish secure connection to server.\n\r");Uart_Write((uint8_t*)" \n\r Continuing with unsecure connection to server...\n\r");
dflet 0:698866e331b2 358 }
dflet 0:698866e331b2 359 }
dflet 0:698866e331b2 360
dflet 0:698866e331b2 361 // Success
dflet 0:698866e331b2 362 Uart_Write((uint8_t*)"\n\r Connected to server ....\n\r");
dflet 0:698866e331b2 363
dflet 0:698866e331b2 364 } // end of doing binding port to udp socket or doing tcp connect
dflet 0:698866e331b2 365
dflet 0:698866e331b2 366 // set Timer for host processor
dflet 0:698866e331b2 367 platform_timer_init();
dflet 0:698866e331b2 368
dflet 0:698866e331b2 369 return (MqttSocketFd);
dflet 0:698866e331b2 370
dflet 0:698866e331b2 371 } // end of function
dflet 0:698866e331b2 372
dflet 0:698866e331b2 373 int32_t tcp_send(int32_t comm, const uint8_t *buf, uint32_t len, void *ctx)
dflet 0:698866e331b2 374 {
dflet 0:698866e331b2 375
dflet 0:698866e331b2 376 int32_t Status;
dflet 0:698866e331b2 377
dflet 0:698866e331b2 378 PRINTF("\n\r TCP send invoked for data with len %d\n\r", len);PRINTF("\n\r Sent Data : ");
dflet 0:698866e331b2 379
dflet 0:698866e331b2 380 #ifdef DEBUG_NET_DEV
dflet 0:698866e331b2 381 buf_printf(buf, len, 0);
dflet 0:698866e331b2 382 #endif
dflet 0:698866e331b2 383
dflet 0:698866e331b2 384 Status = _cc3100_module_._socket.sl_Send(comm, buf, len, 0);
dflet 0:698866e331b2 385
dflet 0:698866e331b2 386 return (Status);
dflet 0:698866e331b2 387
dflet 0:698866e331b2 388 } // end of function
dflet 0:698866e331b2 389
dflet 0:698866e331b2 390 int32_t tcp_recv(int32_t comm, uint8_t *buf, uint32_t len, uint32_t wait_secs, bool *timed_out, void *ctx)
dflet 0:698866e331b2 391 {
dflet 0:698866e331b2 392 int32_t Status;
dflet 0:698866e331b2 393 int32_t MqttSocketFd = comm;
dflet 0:698866e331b2 394
dflet 0:698866e331b2 395 #ifdef SOC_RCV_TIMEOUT_OPT
dflet 0:698866e331b2 396
dflet 0:698866e331b2 397 // socket receive time out options
dflet 0:698866e331b2 398 SlTimeval_t timeVal;
dflet 0:698866e331b2 399
dflet 0:698866e331b2 400 // recv time out options
dflet 0:698866e331b2 401 timeVal.tv_sec = wait_secs; // Seconds
dflet 0:698866e331b2 402 timeVal.tv_usec = 0; // Microseconds. 10000 microseconds resoultion
dflet 0:698866e331b2 403
dflet 0:698866e331b2 404 /*------------------- setting receive timeout option on socket ---------------------*/
dflet 0:698866e331b2 405
dflet 0:698866e331b2 406 Status = _cc3100_module_._socket.sl_SetSockOpt(MqttSocketFd, SOL_SOCKET, SL_SO_RCVTIMEO, &timeVal,
dflet 0:698866e331b2 407 sizeof(timeVal));
dflet 0:698866e331b2 408
dflet 0:698866e331b2 409 if (Status == 0) {
dflet 0:698866e331b2 410
dflet 0:698866e331b2 411 } else if (Status < 0) {
dflet 0:698866e331b2 412 Uart_Write((uint8_t*)"\n\r ERROR: setting socket recv_timeout_option unsuccessfull! \n\r");
dflet 0:698866e331b2 413
dflet 0:698866e331b2 414 }
dflet 0:698866e331b2 415 /*--------------end of setting receive timeout option on socket ---------------------*/
dflet 0:698866e331b2 416
dflet 0:698866e331b2 417 #endif
dflet 0:698866e331b2 418
dflet 0:698866e331b2 419 // printf("\n\r TCP recv invoked ...\n\r");
dflet 0:698866e331b2 420 *timed_out = 0;
dflet 0:698866e331b2 421
dflet 0:698866e331b2 422 Status = _cc3100_module_._socket.sl_Recv(MqttSocketFd, buf, len, 0);
dflet 0:698866e331b2 423
dflet 0:698866e331b2 424 if (Status > 0) {
dflet 0:698866e331b2 425 #ifdef DEBUG_NET_DEV
dflet 0:698866e331b2 426 buf_printf(buf, Status, 0);
dflet 0:698866e331b2 427 #endif
dflet 0:698866e331b2 428 }
dflet 0:698866e331b2 429
dflet 0:698866e331b2 430 if (0 == Status) {
dflet 0:698866e331b2 431 Uart_Write((uint8_t*)"\n\r Connection Closed by peer....\n\r");
dflet 0:698866e331b2 432 }
dflet 0:698866e331b2 433
dflet 0:698866e331b2 434 if (SL_EAGAIN == Status) {
dflet 0:698866e331b2 435 Uart_Write((uint8_t*)"\n\r ERROR: Recv Time out error on server socket \n\r");
dflet 0:698866e331b2 436 *timed_out = 1;
dflet 0:698866e331b2 437 }
dflet 0:698866e331b2 438
dflet 0:698866e331b2 439 return (Status);
dflet 0:698866e331b2 440
dflet 0:698866e331b2 441 } // end of function
dflet 0:698866e331b2 442
dflet 0:698866e331b2 443 int32_t comm_close(int32_t comm) {
dflet 0:698866e331b2 444 int32_t Status;
dflet 0:698866e331b2 445
dflet 0:698866e331b2 446 Status = _cc3100_module_._socket.sl_Close(comm);
dflet 0:698866e331b2 447 return (Status);
dflet 0:698866e331b2 448
dflet 0:698866e331b2 449 } // end of function
dflet 0:698866e331b2 450
dflet 0:698866e331b2 451 uint32_t rtc_secs(void) {
dflet 0:698866e331b2 452 return(platform_get_time_in_secs());
dflet 0:698866e331b2 453 } // end of function
dflet 0:698866e331b2 454
dflet 0:698866e331b2 455 //--------------------------- adding functions for server functionalities ---------------------------
dflet 0:698866e331b2 456
dflet 0:698866e331b2 457 int32_t tcp_listen(uint32_t nwconn_info, uint16_t port_number,
dflet 0:698866e331b2 458 const struct secure_conn *nw_security)
dflet 0:698866e331b2 459 {
dflet 0:698866e331b2 460 SlSockAddrIn_t sLocalAddr;
dflet 0:698866e331b2 461 int32_t iSockID, iAddrSize;
dflet 0:698866e331b2 462 int32_t iStatus;
dflet 0:698866e331b2 463
dflet 0:698866e331b2 464 //filling the TCP server socket address
dflet 0:698866e331b2 465 sLocalAddr.sin_family = SL_AF_INET;
dflet 0:698866e331b2 466 sLocalAddr.sin_port = _cc3100_module_._socket.sl_Htons(port_number);
dflet 0:698866e331b2 467 sLocalAddr.sin_addr.s_addr = 0;
dflet 0:698866e331b2 468 iAddrSize = sizeof(SlSockAddrIn_t);
dflet 0:698866e331b2 469
dflet 0:698866e331b2 470 // creating a TCP socket
dflet 0:698866e331b2 471 iSockID = _cc3100_module_._socket.sl_Socket(SL_AF_INET, SL_SOCK_STREAM, 0);
dflet 0:698866e331b2 472 if (iSockID < 0) {
dflet 0:698866e331b2 473 // error
dflet 0:698866e331b2 474 return (-1);
dflet 0:698866e331b2 475 }
dflet 0:698866e331b2 476
dflet 0:698866e331b2 477 // binding the TCP socket to the TCP server address
dflet 0:698866e331b2 478 iStatus = _cc3100_module_._socket.sl_Bind(iSockID, (SlSockAddr_t *) &sLocalAddr, iAddrSize);
dflet 0:698866e331b2 479 if (iStatus < 0) {
dflet 0:698866e331b2 480 // error
dflet 0:698866e331b2 481 _cc3100_module_._socket.sl_Close(iSockID);
dflet 0:698866e331b2 482 return (-1);
dflet 0:698866e331b2 483 }
dflet 0:698866e331b2 484
dflet 0:698866e331b2 485 // putting the socket for listening to the incoming TCP connection
dflet 0:698866e331b2 486 iStatus = _cc3100_module_._socket.sl_Listen(iSockID, LISTEN_QUE_SIZE);
dflet 0:698866e331b2 487 if (iStatus < 0) {
dflet 0:698866e331b2 488 _cc3100_module_._socket.sl_Close(iSockID);
dflet 0:698866e331b2 489 return (-1);
dflet 0:698866e331b2 490 }
dflet 0:698866e331b2 491
dflet 0:698866e331b2 492 memset(print_buf, 0x00, PRINT_BUF_LEN);
dflet 0:698866e331b2 493 sprintf((char*) print_buf, "\n\r\t Server Socket created and listening on port number: %d! \n\r", port_number);
dflet 0:698866e331b2 494 Uart_Write((uint8_t *) print_buf);
dflet 0:698866e331b2 495
dflet 0:698866e331b2 496 return (iSockID);
dflet 0:698866e331b2 497
dflet 0:698866e331b2 498 } // end of function
dflet 0:698866e331b2 499
dflet 0:698866e331b2 500 int32_t tcp_select(int32_t *recv_cvec, int32_t *send_cvec, int32_t *rsvd_cvec, uint32_t wait_secs)
dflet 0:698866e331b2 501 {
dflet 0:698866e331b2 502
dflet 0:698866e331b2 503 SlTimeval_t tv, *p_tv;
dflet 0:698866e331b2 504 SlFdSet_t rdfds;
dflet 0:698866e331b2 505 int32_t rd_idx = 0, wr_idx = 0, max_fd = 0;
dflet 0:698866e331b2 506 int32_t rv = 0;
dflet 0:698866e331b2 507
dflet 0:698866e331b2 508 tv.tv_sec = wait_secs;
dflet 0:698866e331b2 509 tv.tv_usec = 0;
dflet 0:698866e331b2 510
dflet 0:698866e331b2 511 p_tv = (0xFFFFFFFF != wait_secs) ? &tv : NULL;
dflet 0:698866e331b2 512
dflet 0:698866e331b2 513 _cc3100_module_._socket.SL_FD_ZERO(&rdfds);
dflet 0:698866e331b2 514
dflet 0:698866e331b2 515 while (-1 != recv_cvec[rd_idx]) {
dflet 0:698866e331b2 516 int32_t fd = recv_cvec[rd_idx++];
dflet 0:698866e331b2 517
dflet 0:698866e331b2 518 _cc3100_module_._socket.SL_FD_SET(fd, &rdfds);
dflet 0:698866e331b2 519
dflet 0:698866e331b2 520 if (max_fd < fd){
dflet 0:698866e331b2 521 max_fd = fd;
dflet 0:698866e331b2 522 }
dflet 0:698866e331b2 523 }
dflet 0:698866e331b2 524
dflet 0:698866e331b2 525 // printf("Blocking network for (%s) %u secs to monitor %d fd(s)\n\r",
dflet 0:698866e331b2 526 // p_tv? "finite" : "forever", wait_secs, rd_idx);
dflet 0:698866e331b2 527
dflet 0:698866e331b2 528 rv = _cc3100_module_._socket.sl_Select(max_fd + 1, &rdfds, NULL, NULL, p_tv);
dflet 0:698866e331b2 529
dflet 0:698866e331b2 530 if (rv <= 0) {
dflet 0:698866e331b2 531 // printf("Select Failed %i\n\r",rv);
dflet 0:698866e331b2 532 return rv;
dflet 0:698866e331b2 533 }
dflet 0:698866e331b2 534
dflet 0:698866e331b2 535 rd_idx = 0;
dflet 0:698866e331b2 536 while (-1 != recv_cvec[rd_idx]) {
dflet 0:698866e331b2 537 int32_t fd = recv_cvec[rd_idx++];
dflet 0:698866e331b2 538 if (_cc3100_module_._socket.SL_FD_ISSET(fd, &rdfds))
dflet 0:698866e331b2 539 recv_cvec[wr_idx++] = fd;
dflet 0:698866e331b2 540 }
dflet 0:698866e331b2 541
dflet 0:698866e331b2 542 recv_cvec[wr_idx] = NULL;
dflet 0:698866e331b2 543
dflet 0:698866e331b2 544 // printf("Number of sockets on which activity is observed = %d \n\r", wr_idx);
dflet 0:698866e331b2 545
dflet 0:698866e331b2 546 return (wr_idx);
dflet 0:698866e331b2 547 } // end of function
dflet 0:698866e331b2 548
dflet 0:698866e331b2 549 int32_t tcp_accept(int32_t listen_hnd, uint8_t *client_ip, uint32_t *ip_length)
dflet 0:698866e331b2 550 {
dflet 0:698866e331b2 551 int32_t new_fd;
dflet 0:698866e331b2 552 SlSockAddrIn_t client_addr = {0}; // client address
dflet 0:698866e331b2 553 SlSocklen_t cl_addr_size;
dflet 0:698866e331b2 554
dflet 0:698866e331b2 555 cl_addr_size = sizeof(client_addr);
dflet 0:698866e331b2 556
dflet 0:698866e331b2 557 new_fd = _cc3100_module_._socket.sl_Accept(listen_hnd, (SlSockAddr_t *) &client_addr,
dflet 0:698866e331b2 558 &cl_addr_size);
dflet 0:698866e331b2 559
dflet 0:698866e331b2 560 if (new_fd < 0) {
dflet 0:698866e331b2 561 Uart_Write((uint8_t*)"\n\r ERROR: in accept \n\r");
dflet 0:698866e331b2 562 return (NULL);
dflet 0:698866e331b2 563 }
dflet 0:698866e331b2 564
dflet 0:698866e331b2 565 client_ip[0] = (client_addr.sin_addr.s_addr & 0xFF000000) >> 24;
dflet 0:698866e331b2 566 client_ip[1] = (client_addr.sin_addr.s_addr & 0x00FF0000) >> 16;
dflet 0:698866e331b2 567 client_ip[2] = (client_addr.sin_addr.s_addr & 0x0000FF00) >> 8;
dflet 0:698866e331b2 568 client_ip[3] = (client_addr.sin_addr.s_addr & 0x000000FF);
dflet 0:698866e331b2 569
dflet 0:698866e331b2 570 *ip_length = 4;
dflet 0:698866e331b2 571
dflet 0:698866e331b2 572 return new_fd;
dflet 0:698866e331b2 573
dflet 0:698866e331b2 574 } // end of function
dflet 0:698866e331b2 575
dflet 0:698866e331b2 576 //--------------------------- adding functions for udp functionalities ---------------------------
dflet 0:698866e331b2 577
dflet 0:698866e331b2 578 int32_t send_dest(int32_t comm, const uint8_t *buf, uint32_t len, uint16_t dest_port,
dflet 0:698866e331b2 579 const uint8_t *dest_ip, uint32_t ip_len)
dflet 0:698866e331b2 580 {
dflet 0:698866e331b2 581
dflet 0:698866e331b2 582 int32_t iSockID = (int32_t) comm;
dflet 0:698866e331b2 583 int32_t iStatus, iAddrSize;
dflet 0:698866e331b2 584 SlSockAddrIn_t sAddr;
dflet 0:698866e331b2 585 uint32_t uiDestIp;
dflet 0:698866e331b2 586
dflet 0:698866e331b2 587 //get destination ip
dflet 0:698866e331b2 588 #if 0
dflet 0:698866e331b2 589 uiDestIp = svr_addr_NB_order_IPV4((uint8_t*)dest_ip); //assuming a IPV4 address is passed in dot notation.
dflet 0:698866e331b2 590 if( 0 == uiDestIp )
dflet 0:698866e331b2 591 {
dflet 0:698866e331b2 592 Uart_Write((uint8_t*)"\n\r ERROR: Could not resolve the ip address of the destination \n\r");
dflet 0:698866e331b2 593 return(-1);
dflet 0:698866e331b2 594 }
dflet 0:698866e331b2 595 #else
dflet 0:698866e331b2 596 uiDestIp = (((uint32_t) dest_ip[0] << 24) | ((uint32_t) dest_ip[1] << 16)
dflet 0:698866e331b2 597 | (dest_ip[2] << 8) | (dest_ip[3]));
dflet 0:698866e331b2 598
dflet 0:698866e331b2 599 // printf("Writing to %d, %08x\r\n", (int32_t)comm, uiDestIp);
dflet 0:698866e331b2 600
dflet 0:698866e331b2 601 #endif
dflet 0:698866e331b2 602
dflet 0:698866e331b2 603 //filling the UDP server socket address
dflet 0:698866e331b2 604 sAddr.sin_family = SL_AF_INET;
dflet 0:698866e331b2 605 sAddr.sin_port = _cc3100_module_._socket.sl_Htons((unsigned short) dest_port);
dflet 0:698866e331b2 606 sAddr.sin_addr.s_addr = _cc3100_module_._socket.sl_Htonl(uiDestIp);
dflet 0:698866e331b2 607
dflet 0:698866e331b2 608 iAddrSize = sizeof(SlSockAddrIn_t);
dflet 0:698866e331b2 609
dflet 0:698866e331b2 610 // sending packet
dflet 0:698866e331b2 611 iStatus = _cc3100_module_._socket.sl_SendTo(iSockID, buf, len, 0, (SlSockAddr_t *) &sAddr,
dflet 0:698866e331b2 612 iAddrSize);
dflet 0:698866e331b2 613
dflet 0:698866e331b2 614 if (iStatus <= 0) {
dflet 0:698866e331b2 615 // error
dflet 0:698866e331b2 616 _cc3100_module_._socket.sl_Close(iSockID);
dflet 0:698866e331b2 617 Uart_Write((uint8_t*)"Error: Closed the UDP socket\n\r");
dflet 0:698866e331b2 618 }
dflet 0:698866e331b2 619
dflet 0:698866e331b2 620 return (iStatus);
dflet 0:698866e331b2 621
dflet 0:698866e331b2 622 } // end of function
dflet 0:698866e331b2 623
dflet 0:698866e331b2 624 int32_t recv_from(int32_t comm, uint8_t *buf, uint32_t len, uint16_t *from_port, uint8_t *from_ip, uint32_t *ip_len)
dflet 0:698866e331b2 625 {
dflet 0:698866e331b2 626
dflet 0:698866e331b2 627 int32_t iSockID = (int32_t) comm;
dflet 0:698866e331b2 628 int32_t iStatus, iAddrSize;
dflet 0:698866e331b2 629 SlSockAddrIn_t fromAddr = {0};
dflet 0:698866e331b2 630
dflet 0:698866e331b2 631 iAddrSize = sizeof(SlSockAddrIn_t);
dflet 0:698866e331b2 632
dflet 0:698866e331b2 633 iStatus = _cc3100_module_._socket.sl_RecvFrom(iSockID, buf, len, 0, (SlSockAddr_t *) &fromAddr,
dflet 0:698866e331b2 634 (SlSocklen_t*) &iAddrSize);
dflet 0:698866e331b2 635
dflet 0:698866e331b2 636 if (iStatus < 0) {
dflet 0:698866e331b2 637 // error
dflet 0:698866e331b2 638 _cc3100_module_._socket.sl_Close(iSockID);
dflet 0:698866e331b2 639 Uart_Write((uint8_t*)"Error: Closed the UDP socket\n\r");
dflet 0:698866e331b2 640 return (iStatus);
dflet 0:698866e331b2 641 }
dflet 0:698866e331b2 642
dflet 0:698866e331b2 643 //else populate from ip, from_port and ip_len parameters
dflet 0:698866e331b2 644 // refer to comments in .h
dflet 0:698866e331b2 645 if (from_port)
dflet 0:698866e331b2 646 *from_port = fromAddr.sin_port;
dflet 0:698866e331b2 647
dflet 0:698866e331b2 648 if (from_ip) {
dflet 0:698866e331b2 649 from_ip[0] = (fromAddr.sin_addr.s_addr & 0xFF000000) >> 24;
dflet 0:698866e331b2 650 from_ip[1] = (fromAddr.sin_addr.s_addr & 0x00FF0000) >> 16;
dflet 0:698866e331b2 651 from_ip[2] = (fromAddr.sin_addr.s_addr & 0x0000FF00) >> 8;
dflet 0:698866e331b2 652 from_ip[3] = (fromAddr.sin_addr.s_addr & 0x000000FF);
dflet 0:698866e331b2 653 *ip_len = 4;
dflet 0:698866e331b2 654 }
dflet 0:698866e331b2 655
dflet 0:698866e331b2 656 return (iStatus);
dflet 0:698866e331b2 657
dflet 0:698866e331b2 658 } // end of function
dflet 0:698866e331b2 659
dflet 0:698866e331b2 660 }//namespace mbed_mqtt
dflet 0:698866e331b2 661