Rod Coleman / NetServices

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

if/eth/EthernetNetIf.cpp@0:8f5825f330b0, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:41:36 2011 +0000
Revision:
0:8f5825f330b0
setDataLen hacked to 180bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8f5825f330b0 1 #pragma diag_remark 1464
RodColeman 0:8f5825f330b0 2 /*
RodColeman 0:8f5825f330b0 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:8f5825f330b0 4
RodColeman 0:8f5825f330b0 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:8f5825f330b0 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:8f5825f330b0 7 in the Software without restriction, including without limitation the rights
RodColeman 0:8f5825f330b0 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:8f5825f330b0 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:8f5825f330b0 10 furnished to do so, subject to the following conditions:
RodColeman 0:8f5825f330b0 11
RodColeman 0:8f5825f330b0 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:8f5825f330b0 13 all copies or substantial portions of the Software.
RodColeman 0:8f5825f330b0 14
RodColeman 0:8f5825f330b0 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:8f5825f330b0 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:8f5825f330b0 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:8f5825f330b0 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:8f5825f330b0 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:8f5825f330b0 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:8f5825f330b0 21 THE SOFTWARE.
RodColeman 0:8f5825f330b0 22 */
RodColeman 0:8f5825f330b0 23
RodColeman 0:8f5825f330b0 24 #include "EthernetNetIf.h"
RodColeman 0:8f5825f330b0 25
RodColeman 0:8f5825f330b0 26 #include "netif/etharp.h"
RodColeman 0:8f5825f330b0 27 #include "lwip/dhcp.h"
RodColeman 0:8f5825f330b0 28 #include "lwip/dns.h"
RodColeman 0:8f5825f330b0 29 #include "lwip/igmp.h"
RodColeman 0:8f5825f330b0 30
RodColeman 0:8f5825f330b0 31 #include "drv/eth/eth_drv.h"
RodColeman 0:8f5825f330b0 32 #include "mbed.h"
RodColeman 0:8f5825f330b0 33
RodColeman 0:8f5825f330b0 34 //#define __DEBUG
RodColeman 0:8f5825f330b0 35 #include "dbg/dbg.h"
RodColeman 0:8f5825f330b0 36
RodColeman 0:8f5825f330b0 37 #include "netCfg.h"
RodColeman 0:8f5825f330b0 38 #if NET_ETH
RodColeman 0:8f5825f330b0 39
RodColeman 0:8f5825f330b0 40 EthernetNetIf::EthernetNetIf(const char* hostname) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL),
RodColeman 0:8f5825f330b0 41 m_netmask(255,255,255,255), m_gateway(), m_hostname(hostname)
RodColeman 0:8f5825f330b0 42 {
RodColeman 0:8f5825f330b0 43 //m_hostname = NULL;
RodColeman 0:8f5825f330b0 44 m_pNetIf = new netif;
RodColeman 0:8f5825f330b0 45 m_useDhcp = true;
RodColeman 0:8f5825f330b0 46 m_pDhcp = new dhcp;
RodColeman 0:8f5825f330b0 47 m_setup = false;
RodColeman 0:8f5825f330b0 48 }
RodColeman 0:8f5825f330b0 49
RodColeman 0:8f5825f330b0 50 EthernetNetIf::EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL), m_hostname(NULL) //W/o DHCP
RodColeman 0:8f5825f330b0 51 {
RodColeman 0:8f5825f330b0 52 m_hostname = NULL;
RodColeman 0:8f5825f330b0 53 m_netmask = netmask;
RodColeman 0:8f5825f330b0 54 m_gateway = gateway;
RodColeman 0:8f5825f330b0 55 m_ip = ip;
RodColeman 0:8f5825f330b0 56 m_pNetIf = new netif;
RodColeman 0:8f5825f330b0 57 dns_setserver(0, &dns.getStruct());
RodColeman 0:8f5825f330b0 58 m_useDhcp = false;
RodColeman 0:8f5825f330b0 59 m_setup = false;
RodColeman 0:8f5825f330b0 60 }
RodColeman 0:8f5825f330b0 61
RodColeman 0:8f5825f330b0 62 EthernetNetIf::~EthernetNetIf()
RodColeman 0:8f5825f330b0 63 {
RodColeman 0:8f5825f330b0 64 if(m_pNetIf)
RodColeman 0:8f5825f330b0 65 {
RodColeman 0:8f5825f330b0 66 igmp_stop(m_pNetIf); //Stop IGMP processing
RodColeman 0:8f5825f330b0 67 netif_set_down(m_pNetIf);
RodColeman 0:8f5825f330b0 68 netif_remove(m_pNetIf);
RodColeman 0:8f5825f330b0 69 delete m_pNetIf;
RodColeman 0:8f5825f330b0 70 eth_free();
RodColeman 0:8f5825f330b0 71 }
RodColeman 0:8f5825f330b0 72
RodColeman 0:8f5825f330b0 73 if (m_pDhcp)
RodColeman 0:8f5825f330b0 74 delete m_pDhcp;
RodColeman 0:8f5825f330b0 75 }
RodColeman 0:8f5825f330b0 76
RodColeman 0:8f5825f330b0 77 EthernetErr EthernetNetIf::setup(int timeout_ms /*= 15000*/)
RodColeman 0:8f5825f330b0 78 {
RodColeman 0:8f5825f330b0 79 if (m_setup)
RodColeman 0:8f5825f330b0 80 {
RodColeman 0:8f5825f330b0 81 igmp_stop(m_pNetIf);
RodColeman 0:8f5825f330b0 82 netif_set_down(m_pNetIf);
RodColeman 0:8f5825f330b0 83 netif_remove(m_pNetIf);
RodColeman 0:8f5825f330b0 84 delete m_pNetIf;
RodColeman 0:8f5825f330b0 85 eth_free();
RodColeman 0:8f5825f330b0 86 m_pNetIf = new netif;
RodColeman 0:8f5825f330b0 87 }
RodColeman 0:8f5825f330b0 88
RodColeman 0:8f5825f330b0 89 LwipNetIf::init();
RodColeman 0:8f5825f330b0 90 //m_ethArpTicker.attach_us(&etharp_tmr, ARP_TMR_INTERVAL * 1000); // = 5s in etharp.h
RodColeman 0:8f5825f330b0 91 m_ethArpTimer.start();
RodColeman 0:8f5825f330b0 92 if(m_useDhcp)
RodColeman 0:8f5825f330b0 93 {
RodColeman 0:8f5825f330b0 94 //m_dhcpCoarseTicker.attach(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_SECS); // = 60s in dhcp.h
RodColeman 0:8f5825f330b0 95 //m_dhcpFineTicker.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); // = 500ms in dhcp.h
RodColeman 0:8f5825f330b0 96 m_dhcpCoarseTimer.start();
RodColeman 0:8f5825f330b0 97 m_dhcpFineTimer.start();
RodColeman 0:8f5825f330b0 98 }
RodColeman 0:8f5825f330b0 99 m_pNetIf->hwaddr_len = ETHARP_HWADDR_LEN; //6
RodColeman 0:8f5825f330b0 100 eth_address((char *)m_pNetIf->hwaddr);
RodColeman 0:8f5825f330b0 101
RodColeman 0:8f5825f330b0 102 DBG("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n",
RodColeman 0:8f5825f330b0 103 m_pNetIf->hwaddr[0], m_pNetIf->hwaddr[1], m_pNetIf->hwaddr[2],
RodColeman 0:8f5825f330b0 104 m_pNetIf->hwaddr[3], m_pNetIf->hwaddr[4], m_pNetIf->hwaddr[5]);
RodColeman 0:8f5825f330b0 105
RodColeman 0:8f5825f330b0 106 m_pNetIf = netif_add(m_pNetIf, &(m_ip.getStruct()), &(m_netmask.getStruct()), &(m_gateway.getStruct()), NULL, eth_init, ip_input);//ethernet_input);// ip_input);
RodColeman 0:8f5825f330b0 107 m_pNetIf->hostname = (char *)m_hostname;
RodColeman 0:8f5825f330b0 108 netif_set_default(m_pNetIf);
RodColeman 0:8f5825f330b0 109
RodColeman 0:8f5825f330b0 110 //DBG("\r\nStarting DHCP.\r\n");
RodColeman 0:8f5825f330b0 111
RodColeman 0:8f5825f330b0 112 if(m_useDhcp)
RodColeman 0:8f5825f330b0 113 {
RodColeman 0:8f5825f330b0 114 dhcp_set_struct(m_pNetIf, m_pDhcp);
RodColeman 0:8f5825f330b0 115 dhcp_start(m_pNetIf);
RodColeman 0:8f5825f330b0 116 DBG("DHCP Started, waiting for IP...\n");
RodColeman 0:8f5825f330b0 117 }
RodColeman 0:8f5825f330b0 118 else
RodColeman 0:8f5825f330b0 119 {
RodColeman 0:8f5825f330b0 120 netif_set_up(m_pNetIf);
RodColeman 0:8f5825f330b0 121 }
RodColeman 0:8f5825f330b0 122
RodColeman 0:8f5825f330b0 123 Timer timeout;
RodColeman 0:8f5825f330b0 124 timeout.start();
RodColeman 0:8f5825f330b0 125 while( !netif_is_up(m_pNetIf) ) //Wait until device is up
RodColeman 0:8f5825f330b0 126 {
RodColeman 0:8f5825f330b0 127 if(m_useDhcp)
RodColeman 0:8f5825f330b0 128 {
RodColeman 0:8f5825f330b0 129 if(m_dhcpFineTimer.read_ms()>=DHCP_FINE_TIMER_MSECS)
RodColeman 0:8f5825f330b0 130 {
RodColeman 0:8f5825f330b0 131 m_dhcpFineTimer.reset();
RodColeman 0:8f5825f330b0 132 dhcp_fine_tmr();
RodColeman 0:8f5825f330b0 133 }
RodColeman 0:8f5825f330b0 134 if(m_dhcpCoarseTimer.read()>=DHCP_COARSE_TIMER_SECS)
RodColeman 0:8f5825f330b0 135 {
RodColeman 0:8f5825f330b0 136 m_dhcpCoarseTimer.reset();
RodColeman 0:8f5825f330b0 137 dhcp_coarse_tmr();
RodColeman 0:8f5825f330b0 138 }
RodColeman 0:8f5825f330b0 139 }
RodColeman 0:8f5825f330b0 140 poll();
RodColeman 0:8f5825f330b0 141 if( timeout.read_ms() > timeout_ms )
RodColeman 0:8f5825f330b0 142 {
RodColeman 0:8f5825f330b0 143 //Abort
RodColeman 0:8f5825f330b0 144 if(m_useDhcp)
RodColeman 0:8f5825f330b0 145 dhcp_stop(m_pNetIf);
RodColeman 0:8f5825f330b0 146 else
RodColeman 0:8f5825f330b0 147 netif_set_down(m_pNetIf);
RodColeman 0:8f5825f330b0 148 DBG("\r\nTimeout.\r\n");
RodColeman 0:8f5825f330b0 149 m_setup = true;
RodColeman 0:8f5825f330b0 150 return ETH_TIMEOUT;
RodColeman 0:8f5825f330b0 151 }
RodColeman 0:8f5825f330b0 152 }
RodColeman 0:8f5825f330b0 153
RodColeman 0:8f5825f330b0 154 #if LWIP_IGMP
RodColeman 0:8f5825f330b0 155 igmp_start(m_pNetIf); //Start IGMP processing
RodColeman 0:8f5825f330b0 156 #endif
RodColeman 0:8f5825f330b0 157
RodColeman 0:8f5825f330b0 158 m_ip = IpAddr(&(m_pNetIf->ip_addr));
RodColeman 0:8f5825f330b0 159
RodColeman 0:8f5825f330b0 160 DBG("Connected, IP : %d.%d.%d.%d\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
RodColeman 0:8f5825f330b0 161
RodColeman 0:8f5825f330b0 162 m_setup = true;
RodColeman 0:8f5825f330b0 163 return ETH_OK;
RodColeman 0:8f5825f330b0 164 }
RodColeman 0:8f5825f330b0 165
RodColeman 0:8f5825f330b0 166 void EthernetNetIf::poll()
RodColeman 0:8f5825f330b0 167 {
RodColeman 0:8f5825f330b0 168 if(m_ethArpTimer.read_ms()>=ARP_TMR_INTERVAL)
RodColeman 0:8f5825f330b0 169 {
RodColeman 0:8f5825f330b0 170 m_ethArpTimer.reset();
RodColeman 0:8f5825f330b0 171 etharp_tmr();
RodColeman 0:8f5825f330b0 172 }
RodColeman 0:8f5825f330b0 173 #if LWIP_IGMP
RodColeman 0:8f5825f330b0 174 if(m_igmpTimer.read_ms()>=IGMP_TMR_INTERVAL)
RodColeman 0:8f5825f330b0 175 {
RodColeman 0:8f5825f330b0 176 m_igmpTimer.reset();
RodColeman 0:8f5825f330b0 177 igmp_tmr();
RodColeman 0:8f5825f330b0 178 }
RodColeman 0:8f5825f330b0 179 #endif
RodColeman 0:8f5825f330b0 180 LwipNetIf::poll();
RodColeman 0:8f5825f330b0 181 eth_poll();
RodColeman 0:8f5825f330b0 182 }
RodColeman 0:8f5825f330b0 183
RodColeman 0:8f5825f330b0 184 const char* EthernetNetIf::getHwAddr() const {
RodColeman 0:8f5825f330b0 185 return (char*)m_pNetIf->hwaddr;
RodColeman 0:8f5825f330b0 186 }
RodColeman 0:8f5825f330b0 187
RodColeman 0:8f5825f330b0 188 const char* EthernetNetIf::getHostname() const {
RodColeman 0:8f5825f330b0 189 return m_hostname;
RodColeman 0:8f5825f330b0 190 }
RodColeman 0:8f5825f330b0 191
RodColeman 0:8f5825f330b0 192 #endif