| 提交 | 用户 | age | ||
| 85d591 | 1 | #include <stdio.h> |
| Q | 2 | #include "loopback.h" |
| 3 | #include "socket.h" | |
| 4 | #include "wizchip_conf.h" | |
| 5 | ||
| 6 | #if LOOPBACK_MODE == LOOPBACK_MAIN_NOBLCOK | |
| 7 | ||
| 8 | int32_t loopback_tcps(uint8_t sn, uint8_t* buf, uint16_t port) | |
| 9 | { | |
| 10 | int32_t ret; | |
| 11 | uint16_t size = 0, sentsize=0; | |
| 12 | ||
| 13 | #ifdef _LOOPBACK_DEBUG_ | |
| 14 | uint8_t destip[4]; | |
| 15 | uint16_t destport; | |
| 16 | #endif | |
| 17 | ||
| 18 | switch(getSn_SR(sn)) | |
| 19 | { | |
| 20 | case SOCK_ESTABLISHED : | |
| 21 | if(getSn_IR(sn) & Sn_IR_CON) | |
| 22 | { | |
| 23 | #ifdef _LOOPBACK_DEBUG_ | |
| 24 | getSn_DIPR(sn, destip); | |
| 25 | destport = getSn_DPORT(sn); | |
| 26 | ||
| 27 | printf("%d:Connected - %d.%d.%d.%d : %d\r\n",sn, destip[0], destip[1], destip[2], destip[3], destport); | |
| 28 | #endif | |
| 29 | setSn_IR(sn,Sn_IR_CON); | |
| 30 | } | |
| 31 | if((size = getSn_RX_RSR(sn)) > 0) // Don't need to check SOCKERR_BUSY because it doesn't not occur. | |
| 32 | { | |
| 33 | if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE; | |
| 34 | ret = recv(sn, buf, size); | |
| 35 | ||
| 36 | if(ret <= 0) return ret; // check SOCKERR_BUSY & SOCKERR_XXX. For showing the occurrence of SOCKERR_BUSY. | |
| 37 | size = (uint16_t) ret; | |
| 38 | sentsize = 0; | |
| 39 | ||
| 40 | while(size != sentsize) | |
| 41 | { | |
| 42 | ret = send(sn, buf+sentsize, size-sentsize); | |
| 43 | if(ret < 0) | |
| 44 | { | |
| 45 | close(sn); | |
| 46 | return ret; | |
| 47 | } | |
| 48 | sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero. | |
| 49 | } | |
| 50 | } | |
| 51 | break; | |
| 52 | case SOCK_CLOSE_WAIT : | |
| 53 | #ifdef _LOOPBACK_DEBUG_ | |
| 54 | //printf("%d:CloseWait\r\n",sn); | |
| 55 | #endif | |
| 56 | if((ret = disconnect(sn)) != SOCK_OK) return ret; | |
| 57 | #ifdef _LOOPBACK_DEBUG_ | |
| 58 | printf("%d:Socket Closed\r\n", sn); | |
| 59 | #endif | |
| 60 | break; | |
| 61 | case SOCK_INIT : | |
| 62 | #ifdef _LOOPBACK_DEBUG_ | |
| 63 | printf("%d:Listen, TCP server loopback, port [%d]\r\n", sn, port); | |
| 64 | #endif | |
| 65 | if( (ret = listen(sn)) != SOCK_OK) return ret; | |
| 66 | break; | |
| 67 | case SOCK_CLOSED: | |
| 68 | #ifdef _LOOPBACK_DEBUG_ | |
| 69 | //printf("%d:TCP server loopback start\r\n",sn); | |
| 70 | #endif | |
| 71 | if((ret = socket(sn, Sn_MR_TCP, port, 0x00)) != sn) return ret; | |
| 72 | #ifdef _LOOPBACK_DEBUG_ | |
| 73 | //printf("%d:Socket opened\r\n",sn); | |
| 74 | #endif | |
| 75 | break; | |
| 76 | default: | |
| 77 | break; | |
| 78 | } | |
| 79 | return 1; | |
| 80 | } | |
| 81 | ||
| 82 | ||
| 83 | int32_t loopback_tcpc(uint8_t sn, uint8_t* buf, uint8_t* destip, uint16_t destport) | |
| 84 | { | |
| 85 | int32_t ret; // return value for SOCK_ERRORs | |
| 86 | uint16_t size = 0, sentsize=0; | |
| 87 | ||
| 88 | // Destination (TCP Server) IP info (will be connected) | |
| 89 | // >> loopback_tcpc() function parameter | |
| 90 | // >> Ex) | |
| 91 | // uint8_t destip[4] = {192, 168, 0, 214}; | |
| 92 | // uint16_t destport = 5000; | |
| 93 | ||
| 94 | // Port number for TCP client (will be increased) | |
| 95 | static uint16_t any_port = 50000; | |
| 96 | ||
| 97 | // Socket Status Transitions | |
| 98 | // Check the W5500 Socket n status register (Sn_SR, The 'Sn_SR' controlled by Sn_CR command or Packet send/recv status) | |
| 99 | switch(getSn_SR(sn)) | |
| 100 | { | |
| 101 | case SOCK_ESTABLISHED : | |
| 102 | if(getSn_IR(sn) & Sn_IR_CON) // Socket n interrupt register mask; TCP CON interrupt = connection with peer is successful | |
| 103 | { | |
| 104 | #ifdef _LOOPBACK_DEBUG_ | |
| 105 | printf("%d:Connected to - %d.%d.%d.%d : %d\r\n",sn, destip[0], destip[1], destip[2], destip[3], destport); | |
| 106 | #endif | |
| 107 | setSn_IR(sn, Sn_IR_CON); // this interrupt should be write the bit cleared to '1' | |
| 108 | } | |
| 109 | ||
| 110 | ////////////////////////////////////////////////////////////////////////////////////////////// | |
| 111 | // Data Transaction Parts; Handle the [data receive and send] process | |
| 112 | ////////////////////////////////////////////////////////////////////////////////////////////// | |
| 113 | if((size = getSn_RX_RSR(sn)) > 0) // Sn_RX_RSR: Socket n Received Size Register, Receiving data length | |
| 114 | { | |
| 115 | if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE; // DATA_BUF_SIZE means user defined buffer size (array) | |
| 116 | ret = recv(sn, buf, size); // Data Receive process (H/W Rx socket buffer -> User's buffer) | |
| 117 | ||
| 118 | if(ret <= 0) return ret; // If the received data length <= 0, receive failed and process end | |
| 119 | size = (uint16_t) ret; | |
| 120 | sentsize = 0; | |
| 121 | ||
| 122 | // Data sentsize control | |
| 123 | while(size != sentsize) | |
| 124 | { | |
| 125 | ret = send(sn, buf+sentsize, size-sentsize); // Data send process (User's buffer -> Destination through H/W Tx socket buffer) | |
| 126 | if(ret < 0) // Send Error occurred (sent data length < 0) | |
| 127 | { | |
| 128 | close(sn); // socket close | |
| 129 | return ret; | |
| 130 | } | |
| 131 | sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero. | |
| 132 | } | |
| 133 | } | |
| 134 | ////////////////////////////////////////////////////////////////////////////////////////////// | |
| 135 | break; | |
| 136 | ||
| 137 | case SOCK_CLOSE_WAIT : | |
| 138 | #ifdef _LOOPBACK_DEBUG_ | |
| 139 | //printf("%d:CloseWait\r\n",sn); | |
| 140 | #endif | |
| 141 | if((ret=disconnect(sn)) != SOCK_OK) return ret; | |
| 142 | #ifdef _LOOPBACK_DEBUG_ | |
| 143 | printf("%d:Socket Closed\r\n", sn); | |
| 144 | #endif | |
| 145 | break; | |
| 146 | ||
| 147 | case SOCK_INIT : | |
| 148 | #ifdef _LOOPBACK_DEBUG_ | |
| 149 | printf("%d:Try to connect to the %d.%d.%d.%d : %d\r\n", sn, destip[0], destip[1], destip[2], destip[3], destport); | |
| 150 | #endif | |
| 151 | if( (ret = connect(sn, destip, destport)) != SOCK_OK) return ret; // Try to TCP connect to the TCP server (destination) | |
| 152 | break; | |
| 153 | ||
| 154 | case SOCK_CLOSED: | |
| 155 | close(sn); | |
| 156 | if((ret=socket(sn, Sn_MR_TCP, any_port++, 0x00)) != sn){ | |
| 157 | if(any_port == 0xffff) any_port = 50000; | |
| 158 | return ret; // TCP socket open with 'any_port' port number | |
| 159 | } | |
| 160 | #ifdef _LOOPBACK_DEBUG_ | |
| 161 | //printf("%d:TCP client loopback start\r\n",sn); | |
| 162 | //printf("%d:Socket opened\r\n",sn); | |
| 163 | #endif | |
| 164 | break; | |
| 165 | default: | |
| 166 | break; | |
| 167 | } | |
| 168 | return 1; | |
| 169 | } | |
| 170 | ||
| 171 | ||
| 172 | int32_t loopback_udps(uint8_t sn, uint8_t* buf, uint16_t port) | |
| 173 | { | |
| 174 | int32_t ret; | |
| 175 | uint16_t size, sentsize; | |
| 176 | uint8_t destip[4]; | |
| 177 | uint16_t destport; | |
| 178 | ||
| 179 | switch(getSn_SR(sn)) | |
| 180 | { | |
| 181 | case SOCK_UDP : | |
| 182 | if((size = getSn_RX_RSR(sn)) > 0) | |
| 183 | { | |
| 184 | if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE; | |
| 185 | ret = recvfrom(sn, buf, size, destip, (uint16_t*)&destport); | |
| 186 | if(ret <= 0) | |
| 187 | { | |
| 188 | #ifdef _LOOPBACK_DEBUG_ | |
| 189 | printf("%d: recvfrom error. %ld\r\n",sn,ret); | |
| 190 | #endif | |
| 191 | return ret; | |
| 192 | } | |
| 193 | size = (uint16_t) ret; | |
| 194 | sentsize = 0; | |
| 195 | while(sentsize != size) | |
| 196 | { | |
| 197 | ret = sendto(sn, buf+sentsize, size-sentsize, destip, destport); | |
| 198 | if(ret < 0) | |
| 199 | { | |
| 200 | #ifdef _LOOPBACK_DEBUG_ | |
| 201 | printf("%d: sendto error. %ld\r\n",sn,ret); | |
| 202 | #endif | |
| 203 | return ret; | |
| 204 | } | |
| 205 | sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero. | |
| 206 | } | |
| 207 | } | |
| 208 | break; | |
| 209 | case SOCK_CLOSED: | |
| 210 | #ifdef _LOOPBACK_DEBUG_ | |
| 211 | //printf("%d:UDP loopback start\r\n",sn); | |
| 212 | #endif | |
| 213 | if((ret = socket(sn, Sn_MR_UDP, port, 0x00)) != sn) | |
| 214 | return ret; | |
| 215 | #ifdef _LOOPBACK_DEBUG_ | |
| 216 | printf("%d:Opened, UDP loopback, port [%d]\r\n", sn, port); | |
| 217 | #endif | |
| 218 | break; | |
| 219 | default : | |
| 220 | break; | |
| 221 | } | |
| 222 | return 1; | |
| 223 | } | |
| 224 | ||
| 225 | #endif | |
