〖Linux〗使用gsoap搭建web server(C++)

1. gsoap的好处就不用说了:百度百科

2. gsoap的下载地址:项目地址,目前我使用的是2.8.15版本

3. 开发环境:Ubuntu13.10

4. 具体操作步骤(以简单相加为例):

  1)编写add.h(头文件)

//gsoap ns service name: calc
//gsoap ns service protocol: SOAP
//gsoap ns service style: rpc
//gsoap ns service encoding: encoded
//gsoap ns service namespace:    http://localhost:8888
//gsoap ns service location:    http://localhost:8888
//gsoap ns service port:    http://localhost:8888
 
int ns__add( int num1, int num2, int* sum );

  2)编写addserver.cpp(服务器)

#include "soapcalcService.h"                    /* 与add.h中第一行ns有关 */
#include "calc.nsmap"                           /* 与add.h中第一行ns有关 */

int main(int argc, char **argv)
{ calcService calc;                             /* 创建calc对象 */
  if (argc < 2)
    calc.serve();    /* serve as CGI application */
  else
  { int port = atoi(argv[1]);
    if (!port)
    { fprintf(stderr, "Usage: server <port>\n");
      exit(0);
    }
    /* run iterative server on port until fatal error */
    if (calc.run(port))                         /* 运行在port端口上 */
    { calc.soap_stream_fault(std::cerr);
      exit(-1);
    }
  }
  return 0;
} 

int calcService::add(int a, int b, int *result) /* 在此处实现add() */
{ *result = a + b;
  return SOAP_OK;
} 

  3)编写addclient.cpp(客户端)

#include "soapcalcProxy.h"                      /* 与add.h第一行的ns有关 */
#include "calc.nsmap"                           /* 与add.h第一行的ns有关 */
#include <stdio.h>
#include <stdlib.h>
const char server[] = "127.0.0.1:4567";

int main(int argc, char **argv)
{ if (argc < 3)
  { fprintf(stderr, "Usage: client num1 num2\n");
    exit(0);
  }
  int a, b, result;
  a = (int)(strtod(argv[1], NULL));             /* str转double再转int */
  b = (int)(strtod(argv[2], NULL));
  calcProxy calc;                               /* 创建calc对象 */
  calc.soap_endpoint = server;                  /* 设定server */
  calc.add(a, b, &result);                      /* 执行add() */
  if (calc.error)
    calc.soap_stream_fault(std::cerr);
  else
    printf("result = %d\n", result);            /* 打印消息 */
  return 0;
}

  4)编写Makefile文件

# this is a Makefile to build client and server
# please setting the GSOAP_ROOT first.
# build procedure(EXAMPLE): server run on pc, then client run on arm
#     step1: setting GSOAP_ROOT
#     step2: setting OBJ_NS   # the first line in add.h
#     step3: setting OBJ_NAME  # the basename of filename of add.h
#     step4: setting CC and CXX
#     step4: make

OBJ_NS := calc
OBJ_NAME := add
GSOAP_ROOT := /home/scue/work/gsoap_2.8.15/gsoap
INCLUDE := -I$(GSOAP_ROOT)

CC := clang++
GCC := clang++
#CC := arm-linux-g++
#CXX := arm-linux-g++

CFLAGS += -w
CXXFLAGS += -w

OBJ_SERVER := soapC.o stdsoap2.o soap$(OBJ_NS)Service.o $(OBJ_NAME)server.o
OBJ_CLIENT := soapC.o stdsoap2.o soap$(OBJ_NS)Proxy.o $(OBJ_NAME)client.o

all: 
    @make soap
    @make server
    @make client 

server: $(OBJ_SERVER)
    $(CXX) $(CXXFLAGS) $(INCLUDE) $^ -o $@
client: $(OBJ_CLIENT)
    $(CXX) $(CXXFLAGS) $(INCLUDE) $^ -o $@

.PHONY:soap
soap:
    @cp -v $(GSOAP_ROOT)/stdsoap2.* .
    @$(GSOAP_ROOT)/bin/linux386/soapcpp2 -i $(OBJ_NAME).h

soapqt:
    @mkdir -p $(OBJ_NS)qtclient
    @cp -v soapH.h soapStub.h stdsoap2.h soap$(OBJ_NS)Proxy.h \
        soapC.cpp stdsoap2.cpp soap$(OBJ_NS)Proxy.cpp $(OBJ_NS).nsmap \
        $(OBJ_NS)qtclient/

# -c 生成C的文件
# -i 生成C++的文件

.PHONY:clean
clean:
    rm -f server client *.o
distclean:
    rm -f server client *.o ns* soap* *.xml *.nsmap *.wsdl stdsoap2.*

 

  5)编译及试验

make
./server 4567
./client 2 3 #将会返回5,也可以直接在浏览器中输入http://localhost:4567进行验证

总结:使用C++编写将会轻松很多。

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