C语言实现HTTP的解析处理

1、

#include "httpclient.h"

#include "am_openat_httpclient.h"

#define HEAD_ACCEPT_KEY "Accept"
#define HEAD_ACCEPT_VALUE "*/*"
#define HEAD_ACCEPT_L_KEY "Accept-Language"
#define HEAD_ACCEPT_L_VALUE "cn"
#define HEAD_USER_KEY "User-Agent"
#define HEAD_USER_VALUE "*Mozilla/4.0"
#define HEAD_CONNECTION_KEY "Connection"
#define HEAD_CONNECTION_VALUE "Keep-Alive"

int main(int argc, char const *argv[])

{

  HTTP_SESSION_HANDLE pHTTP;
  CHAR readBuff[1460];
  UINT32 readSize = 0;
  UINT32 readTotalLen = 0;
  CHAR token[32];
  UINT32 tokenSize=32;
  UINT32 nRetCode;
  CHAR http_url[256] = {0};

  pHTTP = HTTPClientOpenRequest(0);
  
  HTTPClientSetDebugHook(pHTTP, http_loc_debug);

  if (HTTPClientSetVerb(pHTTP,VerbGet) != HTTP_CLIENT_SUCCESS)
  {
    iot_debug_print("[gsmloc] HTTPClientSetVerb error");
    return;
  }

  if((nRetCode = HTTPClientAddRequestHeaders(pHTTP, HEAD_ACCEPT_KEY, HEAD_ACCEPT_VALUE, TRUE)) != HTTP_CLIENT_SUCCESS)
  {
    return;
  }
  if((nRetCode = HTTPClientAddRequestHeaders(pHTTP, HEAD_ACCEPT_L_KEY, HEAD_ACCEPT_L_VALUE, TRUE)) != HTTP_CLIENT_SUCCESS)
  {
    return;
  }
  if((nRetCode = HTTPClientAddRequestHeaders(pHTTP, HEAD_USER_KEY, HEAD_USER_VALUE, TRUE)) != HTTP_CLIENT_SUCCESS)
  {
    return;
  }
  if((nRetCode = HTTPClientAddRequestHeaders(pHTTP, HEAD_CONNECTION_KEY, HEAD_CONNECTION_VALUE, TRUE)) != HTTP_CLIENT_SUCCESS)
  {
    return;
  }

  get_gsmlocinfo(http_url);
  
  iot_debug_print("[gsmloc] HTTPClientSendRequest enter");
  if (HTTPClientSendRequest(pHTTP,http_url, NULL, 0,TRUE,0,0) != HTTP_CLIENT_SUCCESS ) 
  {
    iot_debug_print("[gsmloc] HTTPClientSendRequest error");
    return;
  }
  iot_debug_print("[gsmloc] HTTPClientRecvResponse enter");

  if(HTTPClientRecvResponse(pHTTP,20000) != HTTP_CLIENT_SUCCESS)
  {
    iot_debug_print("[gsmloc] HTTPClientRecvResponse error");
    return;
  }
  
  if((nRetCode = HTTPClientFindFirstHeader(pHTTP, "content-length", token, &tokenSize)) != HTTP_CLIENT_SUCCESS)
  {
    iot_debug_print("[gsmloc] HTTPClientFindFirstHeader error");
    return;
  }
  else
  {
    iot_debug_print("[gsmloc] HTTPClientFindFirstHeader %d,%s", tokenSize, token);
  }
  HTTPClientFindCloseHeader(pHTTP);

  while(nRetCode == HTTP_CLIENT_SUCCESS || nRetCode != HTTP_CLIENT_EOS)
  {
      // Set the size of our buffer
      
      // Get the data
      nRetCode = HTTPClientReadData(pHTTP,readBuff,sizeof(readBuff),300,&readSize);

      readTotalLen += readSize;
      if(nRetCode != HTTP_CLIENT_SUCCESS || nRetCode == HTTP_CLIENT_EOS)
      {
        iot_debug_print("[gsmloc] HTTPClientReadData end nRetCode %d", nRetCode);
        process_gsmloc(readBuff);
        break;
      }

      iot_debug_print("[gsmloc] HTTPClientReadData readTotalLen %d, %d, nRetCode %d", readTotalLen, readSize, nRetCode);
  }

  if(HTTPClientCloseRequest(&pHTTP) != HTTP_CLIENT_SUCCESS)
  {
    iot_debug_print("[gsmloc] HTTPIntrnConnectionClose error");
    return;
  }
}

http的C源代码实现下载链接: https://download.csdn.net/download/aba13579/88247782