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HttpConn.cpp
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/*================================================================
* Copyright (C) 2014 All rights reserved.
*
* 文件名称：HttpConn.cpp
* 创 建 者：Zhang Yuanhao
* 邮 箱：[email protected]
* 创建日期：2014年07月29日
* 描 述：
*
#include "HttpConn.h"
================================================================*/
#include "HttpConn.h"
#include "HttpParserWrapper.h"
#include "jsonxx.h"
#include "atomic.h"
static HttpConnMap_t g_http_conn_map;
static atomic_t accept_number = 0;
static atomic_t finish_number = 0;
static atomic_t begin_time = 0;
static atomic_t end_time = 0;
#define MONITOR_NUMBER 1000
// conn_handle 从0开始递增，可以防止因socket handle重用引起的一些冲突
static uint32_t g_conn_handle_generator = 0;
CThreadLock CHttpConn::s_list_lock;
list<Response_t*> CHttpConn::s_response_pdu_list;
CHttpConn* FindHttpConnByHandle(uint32_t conn_handle)
{
CHttpConn* pConn = NULL;
HttpConnMap_t::iterator it = g_http_conn_map.find(conn_handle);
if (it != g_http_conn_map.end())
{
pConn = it->second;
}
return pConn;
}
void httpconn_callback(void* callback_data, uint8_t msg, uint32_t handle,
uint32_t uParam, void* pParam)
{
NOTUSED_ARG(uParam);
NOTUSED_ARG(pParam);
// convert void* to uint32_t, oops
uint32_t conn_handle = *((uint32_t*) (&callback_data));
CHttpConn* pConn = FindHttpConnByHandle(conn_handle);
if (!pConn)
{
return;
}
switch (msg)
{
case NETLIB_MSG_READ:
pConn->OnRead();
break;
case NETLIB_MSG_WRITE:
pConn->OnWrite();
break;
case NETLIB_MSG_CLOSE:
pConn->OnClose();
break;
default:
log("!!!httpconn_callback error msg: %d\n", msg);
break;
}
}
void http_conn_loop_callback(void* callback_data, uint8_t msg, uint32_t handle, void* pParam)
{
CHttpConn::SendResponsePduList();
}
void http_conn_timer_callback(void* callback_data, uint8_t msg, uint32_t handle,
void* pParam)
{
CHttpConn* pConn = NULL;
HttpConnMap_t::iterator it, it_old;
uint64_t cur_time = get_tick_count();
for (it = g_http_conn_map.begin(); it != g_http_conn_map.end();)
{
it_old = it;
it++;
pConn = it_old->second;
pConn->OnTimer(cur_time);
}
}
void init_http_conn()
{
netlib_register_timer(http_conn_timer_callback, NULL, 1000);
netlib_add_loop(http_conn_loop_callback, NULL);
}
//////////////////////////
CHttpTask::CHttpTask(Request_t request)
{
m_ConnHandle = request.conn_handle;
m_nMethod = request.method;
m_strUrl = request.strUrl;
m_strContentType = request.strContentType;
m_pContent = request.pContent;
m_nContentLen = request.nContentLen;
m_strAccessHost = request.strAccessHost;
}
CHttpTask::~CHttpTask()
{
}
void CHttpTask::run()
{
if(HTTP_GET == m_nMethod)
{
OnDownload();
}
else if(HTTP_POST == m_nMethod)
{
OnUpload();
}
else
{
char* pContent = new char[strlen(HTTP_RESPONSE_403)];
snprintf(pContent, strlen(HTTP_RESPONSE_403), HTTP_RESPONSE_403);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
if(m_pContent != NULL)
{
delete [] m_pContent;
m_pContent = NULL;
}
}
void CHttpTask::OnUpload()
{
//get the file original filename
char *pContent = NULL;
int nTmpLen = 0;
const char* pPos = memfind(m_pContent, m_nContentLen, CONTENT_DISPOSITION, strlen(CONTENT_DISPOSITION));
if (pPos != NULL)
{
nTmpLen = pPos - m_pContent;
const char* pPos2 = memfind(pPos, m_nContentLen - nTmpLen, "filename=", strlen("filename="));
if (pPos2 != NULL)
{
pPos = pPos2 + strlen("filename=") + 1;
const char * pPosQuotes = memfind(pPos, m_nContentLen - nTmpLen, "\"", strlen("\""));
int nFileNameLen = pPosQuotes - pPos;
char szFileName[256];
if(nFileNameLen <= 255)
{
memcpy(szFileName, pPos, nFileNameLen);
szFileName[nFileNameLen] = 0;
const char* pPosType = memfind(szFileName, nFileNameLen, ".", 1, false);
if(pPosType != NULL)
{
char szType[16];
int nTypeLen = nFileNameLen - (pPosType + 1 - szFileName);
if(nTypeLen <=15)
{
memcpy(szType, pPosType + 1, nTypeLen);
szType[nTypeLen] = 0;
log("upload file, file name:%s\n", szFileName);
char szExtend[16];
const char* pPosExtend = memfind(szFileName, nFileNameLen, "_", 1, false);
if(pPosExtend != NULL)
{
const char* pPosTmp = memfind(pPosExtend, nFileNameLen - (pPosExtend + 1 - szFileName), "x", 1);
if(pPosTmp != NULL)
{
int nWidthLen = pPosTmp - pPosExtend - 1;
int nHeightLen = pPosType - pPosTmp - 1;
if(nWidthLen >= 0 && nHeightLen >= 0)
{
int nWidth = 0;
int nHeight = 0;
char szWidth[5], szHeight[5];
if(nWidthLen <=4 && nHeightLen <=4)
{
memcpy(szWidth, pPosExtend + 1, nWidthLen);
szWidth[nWidthLen] = 0;
memcpy(szHeight, pPosTmp + 1, nHeightLen );
szHeight[nHeightLen] = 0;
nWidth = atoi(szWidth);
nHeight = atoi(szHeight);
snprintf(szExtend, sizeof(szExtend), "%dx%d.%s", nWidth, nHeight, szType);
}else
{
szExtend[0] = 0;
}
}
else
{
szExtend[0] = 0;
}
}
else{
szExtend[0] = 0;
}
}
else
{
szExtend[0] = 0;
}
//get the file content
size_t nPos = m_strContentType.find(BOUNDARY_MARK);
if (nPos != m_strContentType.npos)
{
const char* pBoundary = m_strContentType.c_str() + nPos + strlen(BOUNDARY_MARK);
int nBoundaryLen = m_strContentType.length() - nPos - strlen(BOUNDARY_MARK);
pPos = memfind(m_pContent, m_nContentLen, pBoundary, nBoundaryLen);
if (NULL != pPos)
{
nTmpLen = pPos - m_pContent;
pPos = memfind(m_pContent + nTmpLen, m_nContentLen - nTmpLen, CONTENT_TYPE, strlen(CONTENT_TYPE));
if (NULL != pPos)
{
nTmpLen = pPos - m_pContent;
pPos = memfind(m_pContent + nTmpLen, m_nContentLen - nTmpLen, HTTP_END_MARK, strlen(HTTP_END_MARK));
if (NULL != pPos)
{
nTmpLen = pPos - m_pContent;
const char* pFileStart = pPos + strlen(HTTP_END_MARK);
pPos2 = memfind(m_pContent + nTmpLen, m_nContentLen - nTmpLen, pBoundary, nBoundaryLen);
if (NULL != pPos2)
{
int64_t nFileSize = pPos2 - strlen(HTTP_END_MARK) - pFileStart;
if (nFileSize <= HTTP_UPLOAD_MAX)
{
char filePath[512] =
{ 0 };
if(strlen(szExtend) != 0)
{
g_fileManager->uploadFile(szType, pFileStart, nFileSize, filePath, szExtend);
}
else{
g_fileManager->uploadFile(szType, pFileStart, nFileSize, filePath);
}
char url[1024];
snprintf(url, sizeof(url), "{\"error_code\":0,\"error_msg\": \"成功\",\"path\":\"%s\",\"url\":\"http://%s/%s\"}", filePath,m_strAccessHost.c_str(), filePath);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":8,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":7,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":6,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":5,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":4,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":9,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":10,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":11,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":3,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
else
{
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":2,\"error_msg\": \"格式错误\",\"path\":\"\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
pContent = new char[HTTP_RESPONSE_HTML_MAX];
snprintf(pContent, HTTP_RESPONSE_HTML_MAX, HTTP_RESPONSE_HTML, content_length,url);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, strlen(pContent));
}
}
void CHttpTask::OnDownload()
{
uint32_t nFileSize = 0;
int32_t nTmpSize = 0;
string strPath;
if(g_fileManager->getAbsPathByUrl(m_strUrl, strPath ) == 0)
{
nTmpSize = File::getFileSize((char*)strPath.c_str());
if(nTmpSize != -1)
{
char szResponseHeader[1024];
snprintf(szResponseHeader,sizeof(szResponseHeader), HTTP_RESPONSE_EXTEND, nTmpSize);
int nLen = strlen(szResponseHeader);
char* pContent = new char[nLen + nTmpSize];
memcpy(pContent, szResponseHeader, nLen);
g_fileManager->downloadFileByUrl((char*)m_strUrl.c_str(), pContent + nLen, &nFileSize);
int nTotalLen = nLen + nFileSize;
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, nTotalLen);
}
else
{
int nTotalLen = strlen(HTTP_RESPONSE_404);
char* pContent = new char[nTotalLen];
snprintf(pContent, nTotalLen, HTTP_RESPONSE_404);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, nTotalLen);
log("File size is invalied\n");
}
}
else
{
int nTotalLen = strlen(HTTP_RESPONSE_500);
char* pContent = new char[nTotalLen];
snprintf(pContent, nTotalLen, HTTP_RESPONSE_500);
CHttpConn::AddResponsePdu(m_ConnHandle, pContent, nTotalLen);
}
}
CHttpConn::CHttpConn()
{
m_busy = false;
m_sock_handle = NETLIB_INVALID_HANDLE;
m_state = CONN_STATE_IDLE;
m_last_send_tick = m_last_recv_tick = get_tick_count();
m_conn_handle = ++g_conn_handle_generator;
if (m_conn_handle == 0)
{
m_conn_handle = ++g_conn_handle_generator;
}
//log("CHttpConn, handle=%u\n", m_conn_handle);
}
CHttpConn::~CHttpConn()
{
//log("~CHttpConn, handle=%u\n", m_conn_handle);
}
int CHttpConn::Send(void* data, int len)
{
m_last_send_tick = get_tick_count();
if (m_busy)
{
m_out_buf.Write(data, len);
return len;
}
int ret = netlib_send(m_sock_handle, data, len);
if (ret < 0)
ret = 0;
if (ret < len)
{
m_out_buf.Write((char*) data + ret, len - ret);
m_busy = true;
//log("not send all, remain=%d\n", m_out_buf.GetWriteOffset());
}
else
{
OnSendComplete();
}
return len;
}
void CHttpConn::Close()
{
m_state = CONN_STATE_CLOSED;
g_http_conn_map.erase(m_conn_handle);
netlib_close(m_sock_handle);
ReleaseRef();
}
void CHttpConn::OnConnect(net_handle_t handle)
{
printf("OnConnect, handle=%d\n", handle);
m_sock_handle = handle;
m_state = CONN_STATE_CONNECTED;
g_http_conn_map.insert(make_pair(m_conn_handle, this));
netlib_option(handle, NETLIB_OPT_SET_CALLBACK, (void*) httpconn_callback);
netlib_option(handle, NETLIB_OPT_SET_CALLBACK_DATA,
reinterpret_cast<void *>(m_conn_handle));
netlib_option(handle, NETLIB_OPT_GET_REMOTE_IP, (void*) &m_peer_ip);
}
void CHttpConn::OnRead()
{
for (;;)
{
uint32_t free_buf_len = m_in_buf.GetAllocSize()
- m_in_buf.GetWriteOffset();
if (free_buf_len < READ_BUF_SIZE + 1)
m_in_buf.Extend(READ_BUF_SIZE + 1);
int ret = netlib_recv(m_sock_handle,
m_in_buf.GetBuffer() + m_in_buf.GetWriteOffset(),
READ_BUF_SIZE);
if (ret <= 0)
break;
m_in_buf.IncWriteOffset(ret);
m_last_recv_tick = get_tick_count();
}
// 每次请求对应一个HTTP连接，所以读完数据后，不用在同一个连接里面准备读取下个请求
char* in_buf = (char*) m_in_buf.GetBuffer();
uint32_t buf_len = m_in_buf.GetWriteOffset();
in_buf[buf_len] = '\0';
//log("OnRead, buf_len=%u, conn_handle=%u\n", buf_len, m_conn_handle); // for debug
m_HttpParser.ParseHttpContent(in_buf, buf_len);
if (m_HttpParser.IsReadAll())
{
if(ATOMIC_ADD_AND_FETCH(&accept_number, 1) == 1)
{
begin_time = get_tick_count();
}
m_access_host = m_HttpParser.GetHost();
if (m_HttpParser.GetContentLen() > HTTP_UPLOAD_MAX)
{
// file is too big
log("content is too big\n");
char url[128];
snprintf(url, sizeof(url), "{\"error_code\":1,\"error_msg\": \"上传文件过大\",\"url\":\"\"}");
log(url);
uint32_t content_length = strlen(url);
char pContent[1024];
snprintf(pContent, sizeof(pContent), HTTP_RESPONSE_HTML, content_length,url);
Send(pContent, strlen(pContent));
return;
}
int nContentLen = m_HttpParser.GetContentLen();
char* pContent = NULL;
if(nContentLen != 0)
{
try {
pContent =new char[nContentLen];
memcpy(pContent, m_HttpParser.GetBodyContent(), nContentLen);
}
catch(...)
{
log("not enough memory\n");
char szResponse[HTTP_RESPONSE_500_LEN + 1];
snprintf(szResponse, HTTP_RESPONSE_500_LEN, "%s", HTTP_RESPONSE_500);
Send(szResponse, HTTP_RESPONSE_500_LEN);
return;
}
}
Request_t request;
request.conn_handle = m_conn_handle;
request.method = m_HttpParser.GetMethod();;
request.nContentLen = nContentLen;
request.pContent = pContent;
request.strAccessHost = m_HttpParser.GetHost();
request.strContentType = m_HttpParser.GetContentType();
request.strUrl = m_HttpParser.GetUrl() + 1;
CHttpTask* pTask = new CHttpTask(request);
if(HTTP_GET == m_HttpParser.GetMethod())
{
g_GetThreadPool.AddTask(pTask);
}
else
{
g_PostThreadPool.AddTask(pTask);
}
}
}
void CHttpConn::OnWrite()
{
if (!m_busy)
return;
int ret = netlib_send(m_sock_handle, m_out_buf.GetBuffer(),
m_out_buf.GetWriteOffset());
if (ret < 0)
ret = 0;
int out_buf_size = (int) m_out_buf.GetWriteOffset();
m_out_buf.Read(NULL, ret);
if (ret < out_buf_size)
{
m_busy = true;
log("not send all, remain=%d\n", m_out_buf.GetWriteOffset());
} else
{
m_busy = false;
OnSendComplete();
}
}
void CHttpConn::OnClose()
{
Close();
}
void CHttpConn::OnTimer(uint64_t curr_tick)
{
if (curr_tick > m_last_recv_tick + HTTP_CONN_TIMEOUT)
{
log("HttpConn timeout, handle=%d\n", m_conn_handle);
Close();
}
}
void CHttpConn::AddResponsePdu(uint32_t conn_handle, char* pContent, int nLen)
{
Response_t* pResp = new Response_t;
pResp->conn_handle = conn_handle;
pResp->pContent = pContent;
pResp->content_len = nLen;
s_list_lock.Lock();
s_response_pdu_list.push_back(pResp);
s_list_lock.Unlock();
}
void CHttpConn::SendResponsePduList()
{
s_list_lock.Lock();
while (!s_response_pdu_list.empty()) {
Response_t* pResp = s_response_pdu_list.front();
s_response_pdu_list.pop_front();
s_list_lock.Unlock();
CHttpConn* pConn = FindHttpConnByHandle(pResp->conn_handle);
if (pConn) {
pConn->Send(pResp->pContent, pResp->content_len);
}
if(pResp->pContent != NULL)
{
delete [] pResp->pContent;
pResp->pContent = NULL;
}
if(pResp != NULL)
{
delete pResp;
pResp = NULL;
}
s_list_lock.Lock();
}
s_list_lock.Unlock();
}
void CHttpConn::OnSendComplete()
{
if(ATOMIC_ADD_AND_FETCH(&finish_number, 1) == MONITOR_NUMBER)
{
end_time = get_tick_count();
log("deal %d files used time:%llu\n", MONITOR_NUMBER, end_time - begin_time);
}
Close();
}