-
Notifications
You must be signed in to change notification settings - Fork 5
/
http_client.c
374 lines (301 loc) · 12.7 KB
/
http_client.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
#include "http_client.h"
/* FreeRTOS includes */
#include "FreeRTOS.h"
#include "task.h"
static const char post_HTTP_header[] = {" HTTP/1.1\r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 1.0.3705)\r\nHost: www.yourserver.com\r\n\r\n"}; // Connection: Keep-Alive\r\n
static const char TheBlast_HTTP_Get_Header[] = {" HTTP/1.1\r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 1.0.3705)\r\nHost: yourserver.com\r\n\r\n"}; // Connection: Keep-Alive\r\n
static char send_buffer_client[500];
static char recv_buffer_client[1460];
//static char fileWriteBuffer[512];
static char timeBuffer[50];
uint8_t HTTP_Asynchronous_Feedback[100];
uint8_t SMS_Receiver_Current[8];
uint8_t SMS_Message_Current[50];
void TheBlast_SMS(char * userID, char * message)
{
uint16_t charactersToReturn = 0;
uint8_t returnBuffer[2]; // temp purpose
strncpy(SMS_Receiver_Current, userID, 8);
strcpy(SMS_Message_Current, message);
xTaskCreate(TheBlast_SMS_BackgroundTask, "SMS_Task", 512, NULL, HTTP_API_TASK_PRIO, NULL);
}
void TheBlast_SMS_BackgroundTask(void * pvParameters)
{
uint8_t tryTimes = GET_TRY_TIMES;
uint16_t charactersToReturn = 0;
uint8_t returnBuffer[2]; // temp purpose
uint8_t getRequest[100];
static uint8_t parameterVar[150];
static uint8_t callbackVariableGet = 0;
strcpy(getRequest, "theblast.php?get=sms/");
strcat(getRequest, SMS_Receiver_Current);
strcat(getRequest, "/");
strcat(getRequest, SMS_Message_Current);
parameterVar[0] = charactersToReturn & 0xFF;
parameterVar[1] = (charactersToReturn & 0xFF00) >> 8;
parameterVar[2] = (uint32_t)(&callbackVariableGet) & 0xFF;
parameterVar[3] = ((uint32_t)(&callbackVariableGet) & 0xFF00) >> 8;
parameterVar[4] = ((uint32_t)(&callbackVariableGet) & 0xFF0000) >> 16;
parameterVar[5] = ((uint32_t)(&callbackVariableGet) & 0xFF000000) >> 24;
parameterVar[6] = (uint32_t)returnBuffer & 0xFF;
parameterVar[7] = ((uint32_t)returnBuffer & 0xFF00) >> 8;
parameterVar[8] = ((uint32_t)returnBuffer & 0xFF0000) >> 16;
parameterVar[9] = ((uint32_t)returnBuffer & 0xFF000000) >> 24;
strcpy((parameterVar+10), getRequest);
callbackVariableGet = 0;
while (callbackVariableGet != 1 && tryTimes > 0) {
callbackVariableGet = 0;
if (tryTimes < GET_TRY_TIMES) vTaskDelay(500);
xTaskCreate(TheBlast_HTTP_Get, "GetRequest", 4096, parameterVar, HTTP_CLIENT_TASK_PRIO, NULL);
while (callbackVariableGet == 0) vTaskDelay(100);
tryTimes--;
}
vTaskDelete(NULL); // End this task!
while(1);
}
uint8_t TheBlast_Get_Synchronous(char * getRequest, uint16_t charactersToReturn, uint8_t * returnBuffer)
{
uint8_t tryTimes = GET_TRY_TIMES;
static uint8_t parameterVar[150];
static uint8_t callbackVariableGet = 0;
parameterVar[0] = charactersToReturn & 0xFF;
parameterVar[1] = (charactersToReturn & 0xFF00) >> 8;
parameterVar[2] = (uint32_t)(&callbackVariableGet) & 0xFF;
parameterVar[3] = ((uint32_t)(&callbackVariableGet) & 0xFF00) >> 8;
parameterVar[4] = ((uint32_t)(&callbackVariableGet) & 0xFF0000) >> 16;
parameterVar[5] = ((uint32_t)(&callbackVariableGet) & 0xFF000000) >> 24;
parameterVar[6] = (uint32_t)returnBuffer & 0xFF;
parameterVar[7] = ((uint32_t)returnBuffer & 0xFF00) >> 8;
parameterVar[8] = ((uint32_t)returnBuffer & 0xFF0000) >> 16;
parameterVar[9] = ((uint32_t)returnBuffer & 0xFF000000) >> 24;
strcpy((parameterVar+10), getRequest);
callbackVariableGet = 0;
while (callbackVariableGet != 1 && tryTimes > 0) {
callbackVariableGet = 0;
if (tryTimes < GET_TRY_TIMES) vTaskDelay(100);
xTaskCreate(TheBlast_HTTP_Get, "GetRequest", 4096, parameterVar, HTTP_CLIENT_TASK_PRIO, NULL);
while (callbackVariableGet == 0) vTaskDelay(100);
tryTimes--;
}
if (tryTimes > 0) return 1;
else return 0;
}
int8_t TheBlast_Get_Asynchronous(char * getRequest, uint16_t charactersToReturn, uint8_t * returnBuffer)
{
uint8_t i;
int8_t slot = -1;
uint8_t tryTimes = GET_TRY_TIMES;
uint8_t taskNameBuffer[20];
static uint8_t parameterVar[150];
static uint8_t callbackVariableGet = 0;
for (i = 0; i < 100; i++) { // Find available slot
if (HTTP_Asynchronous_Feedback[i] == HTTP_SLOT_AVAILABLE)
{
slot = i;
break;
}
}
if (slot == -1) return -1; // no slot available
HTTP_Asynchronous_Feedback[slot] = HTTP_SLOT_PENDING;
parameterVar[0] = charactersToReturn & 0xFF;
parameterVar[1] = (charactersToReturn & 0xFF00) >> 8;
parameterVar[2] = (uint8_t)slot;
/*parameterVar[2] = (uint32_t)(&callbackVariableGet) & 0xFF;
parameterVar[3] = ((uint32_t)(&callbackVariableGet) & 0xFF00) >> 8;
parameterVar[4] = ((uint32_t)(&callbackVariableGet) & 0xFF0000) >> 16;
parameterVar[5] = ((uint32_t)(&callbackVariableGet) & 0xFF000000) >> 24;*/
parameterVar[6] = (uint32_t)returnBuffer & 0xFF;
parameterVar[7] = ((uint32_t)returnBuffer & 0xFF00) >> 8;
parameterVar[8] = ((uint32_t)returnBuffer & 0xFF0000) >> 16;
parameterVar[9] = ((uint32_t)returnBuffer & 0xFF000000) >> 24;
strcpy((parameterVar+10), getRequest);
sprintf(taskNameBuffer, "HTTP_Async(%d)", slot);
xTaskCreate(TheBlast_Get_Asynchronous_Task, taskNameBuffer, configMINIMAL_STACK_SIZE, parameterVar, HTTP_CLIENT_TASK_PRIO, NULL);
return slot;
}
void TheBlast_Get_Asynchronous_Task(uint8_t * pvParameters)
{
uint8_t tryTimes = GET_TRY_TIMES;
static uint8_t callbackVariableGet = 0;
int8_t slot = (int8_t)pvParameters[2];
//parameterVar[0] = charactersToReturn & 0xFF;
//parameterVar[1] = (charactersToReturn & 0xFF00) >> 8;
pvParameters[2] = (uint32_t)(&callbackVariableGet) & 0xFF;
pvParameters[3] = ((uint32_t)(&callbackVariableGet) & 0xFF00) >> 8;
pvParameters[4] = ((uint32_t)(&callbackVariableGet) & 0xFF0000) >> 16;
pvParameters[5] = ((uint32_t)(&callbackVariableGet) & 0xFF000000) >> 24;
//parameterVar[6] = (uint32_t)returnBuffer & 0xFF;
//parameterVar[7] = ((uint32_t)returnBuffer & 0xFF00) >> 8;
//parameterVar[8] = ((uint32_t)returnBuffer & 0xFF0000) >> 16;
//parameterVar[9] = ((uint32_t)returnBuffer & 0xFF000000) >> 24;
//strcpy((parameterVar+10), getRequest);
callbackVariableGet = 0;
while (callbackVariableGet != 1 && tryTimes > 0) {
callbackVariableGet = 0;
if (tryTimes < GET_TRY_TIMES) vTaskDelay(100);
xTaskCreate(TheBlast_HTTP_Get, "GetRequest", 4096, pvParameters, HTTP_CLIENT_TASK_PRIO, NULL);
while (callbackVariableGet == 0) vTaskDelay(100);
tryTimes--;
}
if (tryTimes > 0) HTTP_Asynchronous_Feedback[slot] = HTTP_SLOT_FINISH_OK;
else HTTP_Asynchronous_Feedback[slot] = HTTP_SLOT_FINISH_ERR;
vTaskDelete(NULL); // End this task!
while(1);
}
void GetTime(void * pvParameters)
{
int client_socket;
struct sockaddr_in Serv_Addr;
struct sockaddr_in Client_Addr;
int addrlen=sizeof(Client_Addr);
int nbytes;
while (!DHCP_Finished) vTaskDelay(1000);
client_socket = lwip_socket(AF_INET, SOCK_STREAM, 0);
if (client_socket < 0) ;
memset((char *)&Serv_Addr, 0, sizeof(Serv_Addr));
Serv_Addr.sin_family = AF_INET;
Serv_Addr.sin_len = sizeof(Serv_Addr);
Serv_Addr.sin_addr.s_addr = inet_addr("xx.xx.xx.xx"); // your server
Serv_Addr.sin_port = htons(80);
if (lwip_connect(client_socket, (struct sockaddr *)&Serv_Addr, sizeof(Serv_Addr)) < 0) goto ERROR;
printf("Connection opened\r\n");
strcpy(send_buffer_client, "GET /");
strcat(send_buffer_client, post_HTTP_header);
if (lwip_send(client_socket, send_buffer_client, strlen(send_buffer_client), 0) < 0) goto ERROR;
printf("HTTP Header sent\r\n");
do {
nbytes = lwip_recv(client_socket, recv_buffer_client, sizeof(recv_buffer_client),0);
vTaskDelay(50);
} while (nbytes == 0 && nbytes != sizeof(recv_buffer_client));
recv_buffer_client[nbytes] = 0x00;
printf("received = %d\r\n", nbytes);
if (lwip_close(client_socket) < 0) goto ERROR;
printf("Connection closed\r\n");
UserGUI_Hours = (recv_buffer_client[40] - '0') * 10;
UserGUI_Hours += (recv_buffer_client[41] - '0');
UserGUI_Minutes = (recv_buffer_client[43] - '0') * 10;
UserGUI_Minutes += (recv_buffer_client[44] - '0');
UserGUI_Seconds = (recv_buffer_client[46] - '0') * 10;
UserGUI_Seconds += (recv_buffer_client[47] - '0');
UserGUI_Hours += 1; // Adjust timezone (from GMT+0 to GMT+1)
if (UserGUI_Hours >= 24) UserGUI_Hours -= 24;
printf("Time is: %02u:%02u:%02u\r\n", UserGUI_Hours, UserGUI_Minutes, UserGUI_Seconds);
vTaskDelete(NULL); // End this task!
while(1);
ERROR:
printf("An error occoured fetching the time! Closing connection...\r\n");
lwip_close(client_socket);
printf("Connection closed\r\n");
vTaskDelete(NULL); // End this task!
while(1);
}
void TheBlast_HTTP_Get(void * pvParameters)
{
int client_socket;
struct sockaddr_in Serv_Addr;
struct sockaddr_in Client_Addr;
int addrlen=sizeof(Client_Addr);
int readPos, writePos, nbytes;
long totalBytes = 0;
int offset;
uint8_t * parameterPointer = (u8*)pvParameters;
char httpAddress[200];
char * dataPointer;
uint16_t i;
uint16_t charactersToReturn = *(uint16_t *)((uint32_t)parameterPointer);
uint32_t CallbackVariableLoc = *(uint32_t *)((uint32_t)parameterPointer+2);
uint32_t returnBufferLoc = *(uint32_t *)((uint32_t)parameterPointer+6);
readPos = 10;
writePos = 0;
while (parameterPointer[readPos] != 0x00 && writePos < 199) {
if (parameterPointer[readPos] != ' ') {
httpAddress[writePos++] = parameterPointer[readPos++];
} else {
httpAddress[writePos++] = '%';
httpAddress[writePos++] = '2';
httpAddress[writePos++] = '0';
readPos++;
}
}
httpAddress[writePos] = 0x00;
client_socket = lwip_socket(AF_INET, SOCK_STREAM, 0);
if (client_socket < 0) ;
memset((char *)&Serv_Addr, 0, sizeof(Serv_Addr));
Serv_Addr.sin_family = AF_INET;
Serv_Addr.sin_len = sizeof(Serv_Addr);
Serv_Addr.sin_addr.s_addr = inet_addr("xx.xx.xx.xx"); // server address
Serv_Addr.sin_port = htons(80);
printf("Opening connection...\r\n");
if (lwip_connect(client_socket, (struct sockaddr *)&Serv_Addr, sizeof(Serv_Addr)) < 0) goto ERROR_TIMEOUT;
printf("Connection opened\r\n");
strcpy(send_buffer_client, "GET /");
strcat(send_buffer_client, httpAddress);
strcat(send_buffer_client, TheBlast_HTTP_Get_Header);
if (lwip_send(client_socket, send_buffer_client, strlen(send_buffer_client), 0) < 0) goto ERROR;
printf("HTTP Header sent\r\n");
vTaskDelay(100);
// Receive the first package
do {
nbytes = lwip_recv(client_socket, recv_buffer_client, sizeof(recv_buffer_client), 0);
vTaskDelay(50);
} while (nbytes == 0);
totalBytes += nbytes;
writePos = 0;
dataPointer = strstr(recv_buffer_client, "200 OK");
if (dataPointer == NULL) goto ERROR_NOT_OK; // Not OK response
dataPointer = strstr(recv_buffer_client, "\r\n\r\n");
if (dataPointer == NULL) goto ERROR_NOT_OK;
else dataPointer += 4;
offset = dataPointer - recv_buffer_client;
readPos = offset;
while (writePos < charactersToReturn && readPos < nbytes) {
*(uint16_t *) (returnBufferLoc++) = *dataPointer++;
readPos++;
writePos++;
}
// Receive the rest
do {
nbytes = lwip_recv(client_socket, recv_buffer_client, sizeof(recv_buffer_client),0);
totalBytes += nbytes;
readPos = 0;
dataPointer = recv_buffer_client;
while (writePos < charactersToReturn && readPos < nbytes) {
*(uint16_t *) (returnBufferLoc++) = *dataPointer++;
readPos++;
writePos++;
}
} while (nbytes == sizeof(recv_buffer_client));
*(uint16_t *) (returnBufferLoc) = 0;
printf("Totally received = %u\r\n", totalBytes);
if (lwip_close(client_socket) < 0) goto ERROR;
printf("Connection closed\r\n");
*(uint8_t *) (CallbackVariableLoc) = 1;
goto DEL_TASK;
ERROR_TIMEOUT:
printf("Timeout error! Closing connection...\r\n");
lwip_close(client_socket);
printf("Connection closed\r\n");
*(uint8_t *) (CallbackVariableLoc) = 2;
goto DEL_TASK;
ERROR_NOT_OK:
printf("Response is not 200 OK! Closing connection...\r\n");
lwip_close(client_socket);
printf("Connection closed\r\n");
*(uint8_t *) (CallbackVariableLoc) = 3;
goto DEL_TASK;
ERROR_NO_BMP:
printf("The response is not a BMP! Closing connection...\r\n");
lwip_close(client_socket);
printf("Connection closed\r\n");
*(uint8_t *) (CallbackVariableLoc) = 4;
goto DEL_TASK;
ERROR:
printf("An error occoured! Closing connection...\r\n");
lwip_close(client_socket);
printf("Connection closed\r\n");
*(uint8_t *) (CallbackVariableLoc) = 5;
goto DEL_TASK;
DEL_TASK:
vTaskDelete(NULL); // End this task!
while(1);
}