ARM mbed M2X API Client: The ARM mbed client library is used to send/receive data to/from AT&T's M2X service from mbed LPC1768 microcontrollers.
Dependents: m2x-demo-all M2X_MTS_ACCEL_DEMO M2X_MTS_Accel M2X_K64F_ACCEL ... more
M2XStreamClient_template.h@9:48b088e317aa, 2014-08-13 (annotated)
- Committer:
- citrusbyte
- Date:
- Wed Aug 13 01:56:18 2014 +0000
- Revision:
- 9:48b088e317aa
- Parent:
- 6:e6d66d99dd6f
Timestamp is now a required field
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
citrusbyte | 9:48b088e317aa | 1 | #ifndef M2XStreamClient_template_h |
citrusbyte | 9:48b088e317aa | 2 | #define M2XStreamClient_template_h |
citrusbyte | 9:48b088e317aa | 3 | |
citrusbyte | 9:48b088e317aa | 4 | // Implementations of template functions |
citrusbyte | 9:48b088e317aa | 5 | |
citrusbyte | 9:48b088e317aa | 6 | int print_encoded_string(Print* print, const char* str); |
citrusbyte | 9:48b088e317aa | 7 | |
citrusbyte | 9:48b088e317aa | 8 | template <class T> |
citrusbyte | 9:48b088e317aa | 9 | int M2XStreamClient::post(const char* feedId, const char* streamName, T value) { |
citrusbyte | 9:48b088e317aa | 10 | if (_client->connect(_host, _port)) { |
citrusbyte | 9:48b088e317aa | 11 | DBGLN("%s", "Connected to M2X server!"); |
citrusbyte | 9:48b088e317aa | 12 | writePostHeader(feedId, streamName, |
citrusbyte | 9:48b088e317aa | 13 | // for {"value": and } |
citrusbyte | 9:48b088e317aa | 14 | _null_print.print(value) + 10); |
citrusbyte | 9:48b088e317aa | 15 | _client->print("{\"value\":"); |
citrusbyte | 9:48b088e317aa | 16 | _client->print(value); |
citrusbyte | 9:48b088e317aa | 17 | _client->print("}"); |
citrusbyte | 9:48b088e317aa | 18 | } else { |
citrusbyte | 9:48b088e317aa | 19 | DBGLN("%s", "ERROR: Cannot connect to M2X server!"); |
citrusbyte | 9:48b088e317aa | 20 | return E_NOCONNECTION; |
citrusbyte | 9:48b088e317aa | 21 | } |
citrusbyte | 9:48b088e317aa | 22 | |
citrusbyte | 9:48b088e317aa | 23 | return readStatusCode(true); |
citrusbyte | 9:48b088e317aa | 24 | } |
citrusbyte | 9:48b088e317aa | 25 | |
citrusbyte | 9:48b088e317aa | 26 | template <class T> |
citrusbyte | 9:48b088e317aa | 27 | inline int write_multiple_values(Print* print, int streamNum, |
citrusbyte | 9:48b088e317aa | 28 | const char* names[], const int counts[], |
citrusbyte | 9:48b088e317aa | 29 | const char* ats[], T values[]) { |
citrusbyte | 9:48b088e317aa | 30 | int bytes = 0, value_index = 0; |
citrusbyte | 9:48b088e317aa | 31 | bytes += print->print("{\"values\":{"); |
citrusbyte | 9:48b088e317aa | 32 | for (int i = 0; i < streamNum; i++) { |
citrusbyte | 9:48b088e317aa | 33 | bytes += print->print("\""); |
citrusbyte | 9:48b088e317aa | 34 | bytes += print->print(names[i]); |
citrusbyte | 9:48b088e317aa | 35 | bytes += print->print("\":["); |
citrusbyte | 9:48b088e317aa | 36 | for (int j = 0; j < counts[i]; j++) { |
citrusbyte | 9:48b088e317aa | 37 | bytes += print->print("{\"at\": \""); |
citrusbyte | 9:48b088e317aa | 38 | bytes += print->print(ats[value_index]); |
citrusbyte | 9:48b088e317aa | 39 | bytes += print->print("\", \"value\": \""); |
citrusbyte | 9:48b088e317aa | 40 | bytes += print->print(values[value_index]); |
citrusbyte | 9:48b088e317aa | 41 | bytes += print->print("\"}"); |
citrusbyte | 9:48b088e317aa | 42 | if (j < counts[i] - 1) { bytes += print->print(","); } |
citrusbyte | 9:48b088e317aa | 43 | value_index++; |
citrusbyte | 9:48b088e317aa | 44 | } |
citrusbyte | 9:48b088e317aa | 45 | bytes += print->print("]"); |
citrusbyte | 9:48b088e317aa | 46 | if (i < streamNum - 1) { bytes += print->print(","); } |
citrusbyte | 9:48b088e317aa | 47 | } |
citrusbyte | 9:48b088e317aa | 48 | bytes += print->print("}}"); |
citrusbyte | 9:48b088e317aa | 49 | return bytes; |
citrusbyte | 9:48b088e317aa | 50 | } |
citrusbyte | 6:e6d66d99dd6f | 51 | |
citrusbyte | 9:48b088e317aa | 52 | template <class T> |
citrusbyte | 9:48b088e317aa | 53 | int M2XStreamClient::postMultiple(const char* feedId, int streamNum, |
citrusbyte | 9:48b088e317aa | 54 | const char* names[], const int counts[], |
citrusbyte | 9:48b088e317aa | 55 | const char* ats[], T values[]) { |
citrusbyte | 9:48b088e317aa | 56 | if (_client->connect(_host, _port)) { |
citrusbyte | 9:48b088e317aa | 57 | DBGLN("%s", "Connected to M2X server!"); |
citrusbyte | 9:48b088e317aa | 58 | int length = write_multiple_values(&_null_print, streamNum, names, |
citrusbyte | 9:48b088e317aa | 59 | counts, ats, values); |
citrusbyte | 9:48b088e317aa | 60 | _client->print("POST /v1/feeds/"); |
citrusbyte | 9:48b088e317aa | 61 | print_encoded_string(_client, feedId); |
citrusbyte | 9:48b088e317aa | 62 | _client->println(" HTTP/1.0"); |
citrusbyte | 9:48b088e317aa | 63 | writeHttpHeader(length); |
citrusbyte | 9:48b088e317aa | 64 | write_multiple_values(_client, streamNum, names, counts, ats, values); |
citrusbyte | 9:48b088e317aa | 65 | } else { |
citrusbyte | 9:48b088e317aa | 66 | DBGLN("%s", "ERROR: Cannot connect to M2X server!"); |
citrusbyte | 9:48b088e317aa | 67 | return E_NOCONNECTION; |
citrusbyte | 9:48b088e317aa | 68 | } |
citrusbyte | 9:48b088e317aa | 69 | return readStatusCode(true); |
citrusbyte | 9:48b088e317aa | 70 | } |
citrusbyte | 9:48b088e317aa | 71 | |
citrusbyte | 9:48b088e317aa | 72 | template <class T> |
citrusbyte | 9:48b088e317aa | 73 | static int write_location_data(Print* print, const char* name, |
citrusbyte | 9:48b088e317aa | 74 | T latitude, T longitude, |
citrusbyte | 9:48b088e317aa | 75 | T elevation) { |
citrusbyte | 9:48b088e317aa | 76 | int bytes = 0; |
citrusbyte | 9:48b088e317aa | 77 | bytes += print->print("{\"name\":\""); |
citrusbyte | 9:48b088e317aa | 78 | bytes += print->print(name); |
citrusbyte | 9:48b088e317aa | 79 | bytes += print->print("\",\"latitude\":\""); |
citrusbyte | 9:48b088e317aa | 80 | bytes += print->print(latitude); |
citrusbyte | 9:48b088e317aa | 81 | bytes += print->print("\",\"longitude\":\""); |
citrusbyte | 9:48b088e317aa | 82 | bytes += print->print(longitude); |
citrusbyte | 9:48b088e317aa | 83 | bytes += print->print("\",\"elevation\":\""); |
citrusbyte | 9:48b088e317aa | 84 | bytes += print->print(elevation); |
citrusbyte | 9:48b088e317aa | 85 | bytes += print->print("\"}"); |
citrusbyte | 9:48b088e317aa | 86 | return bytes; |
citrusbyte | 9:48b088e317aa | 87 | } |
citrusbyte | 9:48b088e317aa | 88 | |
citrusbyte | 9:48b088e317aa | 89 | static int write_location_data(Print* print, const char* name, |
citrusbyte | 9:48b088e317aa | 90 | double latitude, double longitude, |
citrusbyte | 9:48b088e317aa | 91 | double elevation) { |
citrusbyte | 9:48b088e317aa | 92 | int bytes = 0; |
citrusbyte | 9:48b088e317aa | 93 | bytes += print->print("{\"name\":\""); |
citrusbyte | 9:48b088e317aa | 94 | bytes += print->print(name); |
citrusbyte | 9:48b088e317aa | 95 | bytes += print->print("\",\"latitude\":\""); |
citrusbyte | 9:48b088e317aa | 96 | bytes += print->print(latitude, MAX_DOUBLE_DIGITS); |
citrusbyte | 9:48b088e317aa | 97 | bytes += print->print("\",\"longitude\":\""); |
citrusbyte | 9:48b088e317aa | 98 | bytes += print->print(longitude, MAX_DOUBLE_DIGITS); |
citrusbyte | 9:48b088e317aa | 99 | bytes += print->print("\",\"elevation\":\""); |
citrusbyte | 9:48b088e317aa | 100 | bytes += print->print(elevation); |
citrusbyte | 9:48b088e317aa | 101 | bytes += print->print("\"}"); |
citrusbyte | 9:48b088e317aa | 102 | return bytes; |
citrusbyte | 9:48b088e317aa | 103 | } |
citrusbyte | 9:48b088e317aa | 104 | |
citrusbyte | 9:48b088e317aa | 105 | template <class T> |
citrusbyte | 9:48b088e317aa | 106 | int M2XStreamClient::updateLocation(const char* feedId, |
citrusbyte | 9:48b088e317aa | 107 | const char* name, |
citrusbyte | 9:48b088e317aa | 108 | T latitude, |
citrusbyte | 9:48b088e317aa | 109 | T longitude, |
citrusbyte | 9:48b088e317aa | 110 | T elevation) { |
citrusbyte | 9:48b088e317aa | 111 | if (_client->connect(_host, _port)) { |
citrusbyte | 9:48b088e317aa | 112 | DBGLN("%s", "Connected to M2X server!"); |
citrusbyte | 9:48b088e317aa | 113 | |
citrusbyte | 9:48b088e317aa | 114 | int length = write_location_data(&_null_print, name, latitude, longitude, |
citrusbyte | 9:48b088e317aa | 115 | elevation); |
citrusbyte | 9:48b088e317aa | 116 | _client->print("PUT /v1/feeds/"); |
citrusbyte | 9:48b088e317aa | 117 | print_encoded_string(_client, feedId); |
citrusbyte | 9:48b088e317aa | 118 | _client->println("/location HTTP/1.0"); |
citrusbyte | 9:48b088e317aa | 119 | |
citrusbyte | 9:48b088e317aa | 120 | writeHttpHeader(length); |
citrusbyte | 9:48b088e317aa | 121 | write_location_data(_client, name, latitude, longitude, elevation); |
citrusbyte | 9:48b088e317aa | 122 | } else { |
citrusbyte | 9:48b088e317aa | 123 | DBGLN("%s", "ERROR: Cannot connect to M2X server!"); |
citrusbyte | 9:48b088e317aa | 124 | return E_NOCONNECTION; |
citrusbyte | 9:48b088e317aa | 125 | } |
citrusbyte | 9:48b088e317aa | 126 | return readStatusCode(true); |
citrusbyte | 9:48b088e317aa | 127 | } |
citrusbyte | 9:48b088e317aa | 128 | |
citrusbyte | 9:48b088e317aa | 129 | #endif |
citrusbyte | 9:48b088e317aa | 130 |