for Low Memory Platforms.
Dependents: TinyHTTPServer_WIZ820io
Fork of HTTPD by
HTTPD.cpp@2:905fe8dfebd6, 2014-02-04 (annotated)
- Committer:
- ban4jp
- Date:
- Tue Feb 04 03:07:05 2014 +0000
- Revision:
- 2:905fe8dfebd6
- Parent:
- 1:5f009a651656
Changed server name.; Disabled keep-alive.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okini3939 | 0:d18dff347122 | 1 | /* Copyright (C) 2013 Hiroshi Suga, MIT License |
okini3939 | 0:d18dff347122 | 2 | * |
okini3939 | 0:d18dff347122 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
okini3939 | 0:d18dff347122 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
okini3939 | 0:d18dff347122 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
okini3939 | 0:d18dff347122 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
okini3939 | 0:d18dff347122 | 7 | * furnished to do so, subject to the following conditions: |
okini3939 | 0:d18dff347122 | 8 | * |
okini3939 | 0:d18dff347122 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
okini3939 | 0:d18dff347122 | 10 | * substantial portions of the Software. |
okini3939 | 0:d18dff347122 | 11 | * |
okini3939 | 0:d18dff347122 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
okini3939 | 0:d18dff347122 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
okini3939 | 0:d18dff347122 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
okini3939 | 0:d18dff347122 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
okini3939 | 0:d18dff347122 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
okini3939 | 0:d18dff347122 | 17 | */ |
okini3939 | 0:d18dff347122 | 18 | |
okini3939 | 0:d18dff347122 | 19 | #include "HTTPD.h" |
okini3939 | 0:d18dff347122 | 20 | |
okini3939 | 0:d18dff347122 | 21 | HTTPD * HTTPD::_inst; |
okini3939 | 0:d18dff347122 | 22 | |
okini3939 | 0:d18dff347122 | 23 | HTTPD::HTTPD () { |
okini3939 | 0:d18dff347122 | 24 | _inst = this; |
okini3939 | 0:d18dff347122 | 25 | memset(_state, 0, sizeof(_state)); |
okini3939 | 0:d18dff347122 | 26 | _handler_count = 0; |
okini3939 | 0:d18dff347122 | 27 | } |
okini3939 | 0:d18dff347122 | 28 | |
okini3939 | 0:d18dff347122 | 29 | int HTTPD::start (int port) { |
okini3939 | 0:d18dff347122 | 30 | int i; |
okini3939 | 0:d18dff347122 | 31 | |
okini3939 | 0:d18dff347122 | 32 | for (i = 0; i < HTTPD_MAX_CLIENTS; i ++) { |
okini3939 | 0:d18dff347122 | 33 | _state[i].buf = new CircBuffer<char>(HTTPD_BUF_SIZE); |
ban4jp | 1:5f009a651656 | 34 | //_state[i].thread = new Thread(child, (void*)i, osPriorityNormal, HTTPD_STACK_SIZE); |
okini3939 | 0:d18dff347122 | 35 | _state[i].client = new TCPSocketConnection; |
okini3939 | 0:d18dff347122 | 36 | } |
okini3939 | 0:d18dff347122 | 37 | #ifdef HTTPD_ENABLE_CLOSER |
okini3939 | 0:d18dff347122 | 38 | _state[HTTPD_MAX_CLIENTS].thread = new Thread(closer, (void*)HTTPD_MAX_CLIENTS, osPriorityNormal, 128); |
okini3939 | 0:d18dff347122 | 39 | _state[HTTPD_MAX_CLIENTS].client = new TCPSocketConnection; |
okini3939 | 0:d18dff347122 | 40 | #endif |
okini3939 | 0:d18dff347122 | 41 | |
okini3939 | 0:d18dff347122 | 42 | _server.bind(port); |
okini3939 | 0:d18dff347122 | 43 | _server.listen(); |
ban4jp | 1:5f009a651656 | 44 | //_daemon = new Thread(daemon, NULL, osPriorityNormal, 256); |
okini3939 | 0:d18dff347122 | 45 | return 0; |
okini3939 | 0:d18dff347122 | 46 | } |
okini3939 | 0:d18dff347122 | 47 | |
ban4jp | 1:5f009a651656 | 48 | void HTTPD::poll () { |
ban4jp | 1:5f009a651656 | 49 | HTTPD::daemon(NULL); |
ban4jp | 1:5f009a651656 | 50 | } |
ban4jp | 1:5f009a651656 | 51 | |
okini3939 | 0:d18dff347122 | 52 | void HTTPD::daemon (void const *args) { |
okini3939 | 0:d18dff347122 | 53 | HTTPD *httpd = HTTPD::getInstance(); |
okini3939 | 0:d18dff347122 | 54 | int i, t = 0; |
okini3939 | 0:d18dff347122 | 55 | |
okini3939 | 0:d18dff347122 | 56 | INFO("Wait for new connection...\r\n"); |
ban4jp | 1:5f009a651656 | 57 | //for (;;) { |
okini3939 | 0:d18dff347122 | 58 | if (t >= 0) { |
okini3939 | 0:d18dff347122 | 59 | if (httpd->_server.accept(*httpd->_state[t].client) == 0) { |
okini3939 | 0:d18dff347122 | 60 | INFO("accept %d\r\n", t); |
ban4jp | 1:5f009a651656 | 61 | //httpd->_state[t].thread->signal_set(1); |
ban4jp | 1:5f009a651656 | 62 | httpd->child((void*)t); |
okini3939 | 0:d18dff347122 | 63 | } |
okini3939 | 0:d18dff347122 | 64 | } else { |
okini3939 | 0:d18dff347122 | 65 | #ifdef HTTPD_ENABLE_CLOSER |
okini3939 | 0:d18dff347122 | 66 | if (httpd->_server.accept(*httpd->_state[HTTPD_MAX_CLIENTS].client) == 0) { |
okini3939 | 0:d18dff347122 | 67 | INFO("accept x\r\n"); |
okini3939 | 0:d18dff347122 | 68 | httpd->_state[HTTPD_MAX_CLIENTS].thread->signal_set(1); |
okini3939 | 0:d18dff347122 | 69 | } |
okini3939 | 0:d18dff347122 | 70 | #endif |
okini3939 | 0:d18dff347122 | 71 | } |
okini3939 | 0:d18dff347122 | 72 | |
ban4jp | 1:5f009a651656 | 73 | t = 0; |
ban4jp | 1:5f009a651656 | 74 | /* |
okini3939 | 0:d18dff347122 | 75 | t = -1; |
okini3939 | 0:d18dff347122 | 76 | for (i = 0; i < HTTPD_MAX_CLIENTS; i ++) { |
okini3939 | 0:d18dff347122 | 77 | if (httpd->_state[i].thread->get_state() == Thread::WaitingAnd) { |
okini3939 | 0:d18dff347122 | 78 | if (t < 0) t = i; // next empty thread |
okini3939 | 0:d18dff347122 | 79 | } |
okini3939 | 0:d18dff347122 | 80 | } |
ban4jp | 1:5f009a651656 | 81 | */ |
ban4jp | 1:5f009a651656 | 82 | //} |
okini3939 | 0:d18dff347122 | 83 | } |
okini3939 | 0:d18dff347122 | 84 | |
okini3939 | 0:d18dff347122 | 85 | void HTTPD::child (void const *arg) { |
okini3939 | 0:d18dff347122 | 86 | HTTPD *httpd = HTTPD::getInstance(); |
okini3939 | 0:d18dff347122 | 87 | int id = (int)arg; |
okini3939 | 0:d18dff347122 | 88 | int i, n; |
okini3939 | 0:d18dff347122 | 89 | char buf[HTTPD_BUF_SIZE]; |
okini3939 | 0:d18dff347122 | 90 | |
ban4jp | 1:5f009a651656 | 91 | //for (;;) { |
ban4jp | 1:5f009a651656 | 92 | // Thread::signal_wait(1); |
okini3939 | 0:d18dff347122 | 93 | |
okini3939 | 0:d18dff347122 | 94 | httpd->_state[id].mode = MODE_REQUEST; |
okini3939 | 0:d18dff347122 | 95 | httpd->_state[id].buf->flush(); |
okini3939 | 0:d18dff347122 | 96 | httpd->_state[id].keepalive = 0; |
okini3939 | 0:d18dff347122 | 97 | INFO("Connection from %s\r\n", httpd->_state[id].client->get_address()); |
okini3939 | 0:d18dff347122 | 98 | httpd->_state[id].client->set_blocking(false, HTTPD_TIMEOUT); |
okini3939 | 0:d18dff347122 | 99 | for (;;) { |
okini3939 | 0:d18dff347122 | 100 | if (! httpd->_state[id].client->is_connected()) break; |
okini3939 | 0:d18dff347122 | 101 | |
okini3939 | 0:d18dff347122 | 102 | n = httpd->_state[id].client->receive(buf, sizeof(buf)); |
okini3939 | 0:d18dff347122 | 103 | if (n < 0) break; |
okini3939 | 0:d18dff347122 | 104 | buf[n] = 0; |
okini3939 | 0:d18dff347122 | 105 | // DBG("Recv %d '%s'", n, buf); |
okini3939 | 0:d18dff347122 | 106 | |
okini3939 | 0:d18dff347122 | 107 | for (i = 0; i < n; i ++) { |
okini3939 | 0:d18dff347122 | 108 | httpd->recvData(id, buf[i]); |
okini3939 | 0:d18dff347122 | 109 | } |
okini3939 | 0:d18dff347122 | 110 | } |
okini3939 | 0:d18dff347122 | 111 | |
okini3939 | 0:d18dff347122 | 112 | httpd->_state[id].client->close(); |
okini3939 | 0:d18dff347122 | 113 | INFO("Close %s\r\n", httpd->_state[id].client->get_address()); |
ban4jp | 1:5f009a651656 | 114 | //} |
okini3939 | 0:d18dff347122 | 115 | } |
okini3939 | 0:d18dff347122 | 116 | |
okini3939 | 0:d18dff347122 | 117 | void HTTPD::closer (void const *arg) { |
okini3939 | 0:d18dff347122 | 118 | HTTPD *httpd = HTTPD::getInstance(); |
okini3939 | 0:d18dff347122 | 119 | int id = (int)arg; |
okini3939 | 0:d18dff347122 | 120 | |
ban4jp | 1:5f009a651656 | 121 | //for (;;) { |
ban4jp | 1:5f009a651656 | 122 | // Thread::signal_wait(1); |
okini3939 | 0:d18dff347122 | 123 | |
okini3939 | 0:d18dff347122 | 124 | httpd->_state[id].client->close(); |
okini3939 | 0:d18dff347122 | 125 | INFO("Close %s\r\n", httpd->_state[id].client->get_address()); |
ban4jp | 1:5f009a651656 | 126 | //} |
okini3939 | 0:d18dff347122 | 127 | } |
okini3939 | 0:d18dff347122 | 128 |